Integrated production line and working method for automatic cutting and injection molding of sealing strips

Abstract

An integrated production line and working method for automatic cutting and injection molding of sealing strips, including at least one transport line, a handling robot, a strip-loading sheet metal, a strip-insertion fixture, an injection molding press, an automatic strip-feeding device for top strips, and an automatic strip-feeding device for soft strips. The transport line is arranged on one side of the injection molding press, and the handling robot cooperates with the transport line and the injection molding press; an injection molding corner mold is arranged on the injection molding press, and the injection molding corner mold includes a lower mold mechanism and an upper mold mechanism, and the upper mold mechanism is arranged above the lower mold mechanism; the lower mold mechanism is provided with a first mold cavity and a second mold cavity; the automatic strip-feeding device for top strips and the automatic strip-feeding device for soft strips are respectively arranged at the feed places of the top strips and soft strips of the lower mold mechanism. The present invention realizes the transportation and interactive circulation of sealing strips through the strip-loading sheet metal, the strip-insertion fixture, the transport line, the handling robot, the automatic strip-feeding device for top strips, and the automatic strip-feeding device for soft strips, so that the production processes are connected in series to form a production line, thereby improving the automation level of the injection molding corner of sealing strips.

Description

Technical Field

[0001] The invention belongs to the technical field of sealing strip processing, and in particular relates to an integrated production line for automatic cutting and injection molding of sealing strip corners and a working method. Background Art

[0002] With the rapid development of my country's automobile industry, the scale of automobile production is getting larger and larger, and the demand for sealing strips as a part of automobiles is also increasing. A complete set of sealing strips needs to go through two production processes, cutting and injection molding, to form a complete finished product. Traditional sealing strip cutting and injection molding equipment are usually set up in two different locations to complete their respective processes. This requires multiple groups of people to operate the equipment for these two processes and cross-site product circulation and transportation, which increases the production cost of the enterprise and reduces production efficiency;

[0003] More and more cars are using corner shapes in the design of their door C-pillars. However, since the sealing strip itself is straight and cannot be shaped with corners, it is necessary to connect two sealing strips into one and then connect it with the main guide groove sealing strip to complete the corner forming of the entire C-pillar. In the past, this type of C-pillar mold was divided into two separate molds, one for connecting the two corner sealing strips, and the other for connecting the main guide groove sealing strip and the corner sealing strip. This results in two separate molds and two injection molding presses required to connect a complete set of C-pillar products, resulting in large production investment, and the operator needs to carry and clamp the product twice between the two injection molding presses, which is time-consuming and labor-intensive.

[0004] At present, in the actual production process, in order to improve production efficiency, an integrated corner joint mold is used, and the two corner joints are joined at the same time to complete the corner joint. However, since the two sealing strips of the corner shape of the butt joint are soft, they cannot maintain the folded state by themselves, and the lips on the sealing strips are easy to bend and deform. In addition, because the inserting strip fixture itself is the corner point of the corner shape, it has a large weight. The operator cannot push the inserting strip fixture with the sealing strip into the mold cavity while maintaining the shape, which increases the difficulty of its processing;

[0005] When inserting the top strip sealing strip in the injection molding process, personnel need to pre-install the strip on the mold, and then insert the sealing strip into the mold cavity through the insertion mechanism on the mold. In addition, since the two ends of the same sealing strip need to be connected to two different molds, personnel need to pre-install the strip twice;

[0006] During the injection molding process of the sealing strip, the more complex the structure of the sealing strip is, the more complex the mold cavity is when the sealing strip is molded. In the past, when the sealing strip is demolded, most of the mold structures of the corner molds were translated away from the sealing strip, and the mold cavity withdrawal direction of the plug-in plate assembly was in a barbed style with the lip on the sealing strip. As a result, the plug-in plate assembly will pull the lip on the sealing strip back when it moves backward, which may tear the corner of the sealing strip lip, causing the sealing strip mold product to be scrapped, increasing the scrap rate of production. Summary of the invention

[0007] Purpose of the invention: In order to overcome the above shortcomings, the purpose of the present invention is to provide an integrated production line for automated cutting and injection molding of sealing strips. The sealing strips to be processed are transported to the designated position through the transportation line, and the stripping sheet metal or sealing strip insertion fixture assembly is transported to the corresponding injection molding mold by the handling robot. The top strip automatic feeding device and the soft strip automatic feeding device are used to automatically feed the top strip and the soft strip respectively, and the product is pushed into the mold for automatic injection molding of the corners. The sealing strips that need to be joined are transported and alternately circulated, so that the production process of the sealing strips is connected in series to form a production line, the automation level of the sealing strip injection molding corners is improved, and its production efficiency is effectively improved.

[0008] Technical solution: In order to achieve the above-mentioned purpose, the present invention provides an integrated assembly line for injection molding of sealing strip corners, comprising: at least one transport line, a handling robot, a strip mounting sheet metal for installing a top strip, a strip insertion fixture for installing a soft strip, and an injection molding press, wherein the transport line is arranged on one side of the injection molding press, and the handling robot cooperates with the transport line and the injection molding press;

[0009] The injection molding press is provided with an injection molding corner mold, and the injection molding corner mold includes a lower mold mechanism and an upper mold mechanism, the upper mold mechanism is arranged above the lower mold mechanism, and the two cooperate with each other; the lower mold mechanism is provided with a first mold cavity and a second mold cavity;

[0010] It also includes an automatic top strip feeding device and a soft strip automatic feeding device, which are respectively arranged at the feeding positions of the top strip and the soft strip of the lower mold mechanism. When working, the strip sheet metal equipped with the top strip is placed on the conveying line, and the conveying line conveys the top strip and the strip sheet metal to the loading position of the injection molding press. The handling robot transfers the top strip and the strip sheet metal to the automatic top strip feeding device, and the strip sheet metal equipped with the top strip is pushed forward by the automatic top strip feeding device until one end of the top strip enters the designated position of the second mold cavity. position; at the same time, the strip inserting fixture equipped with the soft strip is placed on the conveying line, the conveying line transports the strip inserting fixture equipped with the soft strip to the loading position of the injection molding press, the handling robot transfers the strip inserting fixture equipped with the soft strip to the automatic strip feeding device for the soft strip, the automatic strip feeding device for the soft strip pushes the strip inserting fixture equipped with the soft strip forward until one end of the soft strip reaches the specified position of the first mold cavity, the top strip and the soft strip are injection-molded and joined by the injection molding corner mold, and the products with completed injection molding corners are transported to the specified position through the finished product conveying and inspection packaging line.

[0011] The lower mold mechanism includes a first lower mold group and a second lower mold movable plate, the second lower mold movable plate is arranged above the first lower mold group, the two are connected in a lifting manner, and a group of lifting driving mechanisms for lifting the second lower mold movable plate is arranged on the outer side of the first lower mold group.

[0012] The second lower mold movable plate is provided with a lower mold extension section, the lower mold extension section is provided with a first sliding groove, a sliding block is provided in the first sliding groove, and the shape of the first sliding groove can be adjusted as needed;

[0013] The automatic top strip feeding device comprises a strip insertion power mechanism and a strip insertion sheet metal fixture.

[0014] The strip insertion power mechanism comprises a first strip insertion driving mechanism, a driving joint and a power connection block, the strip insertion sheet metal fixture is arranged on the lower die extension section, the strip insertion power mechanism is arranged below the lower die extension section, and the strip installation sheet metal is arranged above the strip insertion sheet metal fixture;

[0015] The first strip driving mechanism is connected to the lower mold extension section through a mounting seat, and the output end of the first strip driving mechanism is connected to a power connecting block through a driving joint. The power connecting block is arranged below the sliding block and is simultaneously connected to the strip sheet metal through a power rotating column.

[0016] In addition, the injection molding corner mold also includes a demoulding mechanism, which is arranged on the lower mold mechanism and cooperates with the top strip automatic feeding device and the soft strip automatic feeding device;

[0017] The lower mold mechanism is also provided with a mounting platform, which is arranged in an inclined shape, and a group of guide grooves are provided on the mounting platform, a group of first limit blocks are provided on the outer side of the guide grooves, a group of second limit blocks are provided on the end of the mounting platform away from the inserting strip power drive mechanism, and a slanted top block is provided on one side of the mounting platform of the lower mold mechanism; a support block is provided on one side of the first mold cavity of the lower mold mechanism;

[0018] The lower mold mechanism is located on both sides of the second mold cavity and is respectively provided with a plugging plate mechanism and a slider assembly, and the second mold cavity is located on a side opposite to the slider assembly and is provided with a second slider.

[0019] Preferably, the automatic soft strip feeding device comprises a strip insertion power drive mechanism, which is arranged on the lower mold mechanism and installed at the lower end of the mounting platform; the output end of the strip insertion power drive mechanism is connected to the strip insertion fixture;

[0020] The insert power drive mechanism comprises a sliding guide mounting plate, a sliding groove is provided on the sliding guide mounting plate, a power slider is provided in the sliding groove, and a group of limit pressing blocks are provided on both sides of the power slider of the sliding guide mounting plate;

[0021] The strip inserting driving mechanism is connected to the lower mold mechanism through a mounting seat, and its output end is connected to the power slider through a flange connecting block. The strip inserting clamp is arranged on the mounting platform and connected to the power slider.

[0022] Furthermore, the inserting strip fixture comprises a fixture bottom plate, a group of guide blocks, an inserting plate assembly, a slide block and a pressing block mechanism, the fixture bottom plate is provided with a lower mold cavity, a slide rail assembly is provided on one side of the lower mold cavity, the pressing block mechanism is connected to the slide plate in the slide rail assembly, the guide block is provided below the fixture bottom plate and is slidably connected to the guide groove;

[0023] The insert plate assembly and the slider are arranged on two sides of the lower mold cavity, and the slider is slidably connected to the slide rail assembly, and the pressing block mechanism is arranged on one side of the slider;

[0024] The plug-in plate assembly comprises an upper plug-in plate assembly and a lower plug-in plate assembly, wherein the upper plug-in plate assembly is arranged above the lower plug-in plate assembly, and the upper plug-in plate assembly is hinged to the lower mold mechanism through an adapter frame, and the lower plug-in plate assembly is slidably connected to the second lower mold movable plate; the pressing block mechanism comprises a flip base, a flip connecting block, and a pressing block, wherein the flip base is mounted on the lower mold mechanism, and one side of the flip base is connected to the slide rail assembly through a connecting block, the flip connecting block is arranged on the flip base, one end of which is provided with a roller, and the other end is connected to the pressing block, and the roller is located above the inclined top block and moves along the inclined top block;

[0025] It also includes a reciprocating transport platform, which cooperates with the handling robot.

[0026] Furthermore, the plug-in board mechanism is arranged on the lower mold mechanism and is movably connected to the lower mold mechanism; the plug-in board mechanism includes a lower plug-in board module, a middle plug-in board module and an upper plug-in board module, the lower plug-in board module, the middle plug-in board module and the upper plug-in board module are arranged from bottom to top, and the two sides are movably connected to the slide rails on the lower mold mechanism through the sliding frame, and the shapes of the ends of the lower plug-in board module, the middle plug-in board module and the upper plug-in board module match the shape of the sealing strip;

[0027] The upper plugboard module includes a first upper plugboard, a second upper plugboard and a third upper plugboard, the first upper plugboard, the second upper plugboard and the third upper plugboard are all U-shaped, the second upper plugboard is arranged on the inner side of the first upper plugboard, and the third upper plugboard is arranged on the inner side of the second upper plugboard.

[0028] Preferably, the demoulding mechanism comprises a first demoulding mechanism, a second demoulding mechanism and a third demoulding mechanism, the first demoulding mechanism comprises a first demoulding power mechanism, the output end of the first demoulding power mechanism is provided with a first demoulding connecting rod, the first demoulding connecting rod is connected with the plug plate assembly, the slider and the block pressing mechanism, and is used to drive the plug plate assembly and the block pressing mechanism to flip up and the slider to move; the output end of the first demoulding power mechanism is connected with the plug plate assembly, the slider and the block pressing mechanism, and is used to drive the plug plate assembly and the block pressing mechanism to flip up and the slider 8414 to move;

[0029] The second demoulding mechanism comprises a second demoulding power mechanism, the output end of the second demoulding power mechanism is provided with a second demoulding connecting rod, the second demoulding connecting rod is connected to the plugging plate mechanism and the lower plugging plate assembly, and is used for moving the plugging plate mechanism and the lower plugging plate assembly;

[0030] The third demoulding mechanism comprises a third demoulding power mechanism, and the output end of the third demoulding power mechanism is provided with a third demoulding connecting rod for driving the slider and the second slider in the slider assembly to move; the first demoulding connecting rod is provided with a first adapter block at one end close to the first demoulding power mechanism, and the first adapter block is provided with an open groove, and the slide plate in the slide rail assembly is provided with a connecting rod, and the connecting rod is arranged in the open groove;

[0031] The end of the second demoulding connecting rod is arranged at the second adapter block, and the second adapter block is provided with a driving module for driving the plug-in board mechanism, and the driving part of the driving module is arranged in the corresponding grooves of the lower plug-in board module and the middle plug-in board module of the plug-in board mechanism; and the end of the second demoulding connecting rod is provided with a through hole, and a third adapter block is arranged in the through hole, and the other end of the third adapter block is hooked with a power rod for driving the plug-in board assembly to move, and the lower part of the plug-in board assembly is connected with the power rod hook through the connecting rod;

[0032] The middle plug-in board module is provided with a group of fixing seats, and the fixing seats are provided with a group of positioning bolts. When demoulding, the second demoulding connecting rod drives the second adapter block to drive the driving part of the driving module to move forward. Since the second adapter block and the third adapter block are both connected to the second demoulding connecting rod, when the second demoulding connecting rod drives the second adapter block to drive the driving part of the driving module to move, the plug-in board mechanism and the lower plug-in board assembly are driven to move away from the mold cavity along the power direction.

[0033] The third demoulding connecting rod comprises a third demoulding connecting rod main rod and a third demoulding connecting rod branch rod, the third demoulding connecting rod branch rod is arranged at one side of the third demoulding connecting rod main rod, and a connecting rod is arranged between the two, waist holes are arranged at both ends of the connecting rod, the third demoulding connecting rod main rod and the third demoulding connecting rod branch rod are connected to the corresponding waist holes through a connecting shaft, the slide plate in the slider assembly is connected to the corresponding connecting shaft, the connecting shaft is arranged in the waist hole at one end of the connecting rod, and the second slider is arranged at the end of the third demoulding connecting rod main rod. When working, the third demoulding power mechanism drives the third demoulding connecting rod to extend, and during the extension process of the third demoulding connecting rod, the second slider is driven to move away from the mold cavity along the power direction, and at the same time, the connecting shafts on the third demoulding connecting rod main rod and the third demoulding connecting rod branch rod move in the waist hole, and during this process, the slide plate in the slider assembly drives the slider assembly to retreat, so that the mold cavity is in an open state.

[0034] In addition, it also includes an auxiliary demolding mechanism, which includes a third slide block, a driving frame and an auxiliary demolding driving mechanism, a mounting plate is provided on the second lower mold movable plate at one end of the lower mold extension section, a second sliding groove is provided on the mounting plate, and the third slide block is arranged above the mounting plate and on one side of the slide block assembly, wherein the auxiliary demolding driving mechanism includes a first sliding plate, an auxiliary driving frame and a demolding driving cylinder, the first sliding plate is arranged in the sliding groove of the second lower mold movable plate, and a group of slide rails are arranged on both sides of the sliding groove, the output end of the demolding driving cylinder is connected to the first sliding plate, one end of the auxiliary driving frame is connected to the first sliding plate, and the other end is provided with a through hole, and it extends to the top of the second sliding groove, the driving frame is inserted into the through hole of the auxiliary driving frame and extends into the second sliding groove, and the driving frame is connected to the third slide block.

[0035] Preferably, the insert sheet metal fixture comprises a first fixture bottom plate, one side of the first fixture bottom plate is provided with at least one set of first positioning members and second positioning members, the first positioning member is provided with a positioning groove, and the second positioning member is provided with a central cross positioning groove;

[0036] It also includes a sheet metal fixing component, which includes a sheet metal pressing block and a pressing block driving cylinder. The pressing block driving cylinder is arranged on the first clamp bottom plate, and its output end is connected to the sheet metal pressing block.

[0037] It also includes a sealing strip positioning assembly, which includes a positioning drive cylinder and a toggle clamp positioning assembly. The positioning drive cylinder is arranged on the first fixture bottom plate, and the toggle clamp positioning assembly is connected to the output end of the positioning drive cylinder.

[0038] The present invention also includes an integrated assembly line for automated cutting and injection molding of sealing strip corners, including an integrated assembly line for injection molding of sealing strip corners, and also includes a soft strip punching device 1, a soft strip punching device 2, a top strip punching device, a first transport line for soft strip conveying and a first injection molding press. The soft strip punching device 1, the soft strip punching device 2, the top strip punching device, the first transport line for soft strip conveying and the first injection molding press are respectively arranged at corresponding processing stations, the soft strip punching device 1 is arranged on one side of the first transport line, and a soft strip and a soft strip clamping table are arranged between the two, and the handling robot cooperates with the transport line, the first transport line, the first injection molding press, the injection molding press, the finished product conveying and inspection packaging line.

[0039] It can be seen from the above technical solution that the present invention has the following beneficial effects:

[0040] 1. The present invention discloses an integrated assembly line for sealing strip injection molding. The sealing strips to be processed are transported to designated locations through a transportation line. The stripping sheet metal or sealing strip inserting fixture assembly is transported to the corresponding injection molding mold by a handling robot. The top strip automatic feeding device and the soft strip automatic feeding device are used to automatically feed the top strip and the soft strip, respectively. The products are pushed into the mold for automatic injection molding. The sealing strips to be molded are transported and alternately transferred, so that the production processes of the sealing strips are connected in series to form a production line, thereby improving the automation level of the sealing strip injection molding and effectively improving its production efficiency.

[0041] 2. The injection molding corner joint mold of the present invention integrates two corner joint molds into one mold and cooperates with an automated strip insertion system to insert a corner sealing strip into the main body joint mold cavity, so that two products that originally needed to have separate corners can be completed at the same time on one mold at the same time. It also avoids manual demoulding and strip insertion for many times, thereby improving work efficiency. In addition, because it is combined into one mold, a part of common parts and an injection molding press are reduced, thereby reducing production costs.

[0042] 3. Through the cooperation of the soft strip and the inserting strip power mechanism, the top strip sealing strip is inserted into the mold cavity with an arc, so that it can realize automatic strip insertion, which solves the current problem of strip insertion difficulty. In addition, since the sealing strip is installed on the inserting strip sheet metal fixture at one time, the step of manually installing the strip again when the other end of the strip is connected to the mold can be eliminated. When the other end of the top strip sealing strip needs to be connected to the mold, the handling robot only needs to connect the other end of the inserting strip sheet metal fixture with another mold, thereby reducing the need for multiple manual strip installations and improving production efficiency.

[0043] 4. The automatic soft strip feeding device described in the present invention optimizes the structure of the mold, and the sealing strip to be inserted into the main mold cavity is kept in a folded state through the upper and lower cooperation of the pressing block mechanism on the strip insertion clamp and the supporting block; and then the strip insertion clamp is pushed by the automatic pushing device to allow the sealing strip to enter the mold cavity under the guidance of the staggered guide structure of the mold cavity insert plate, thereby meeting the strip insertion requirements of the integrated mold joints, reducing the number of manual strip insertions, and improving the degree of automation and production efficiency.

[0044] 5. The plug-in board mechanism comprises a lower plug-in board module, a middle plug-in board module and an upper plug-in board module, which adopts a multi-layer plug-in board. The sealing strip can be layered and staggered when entering the strip, so that there is a gap according to the shape of the sealing strip when entering the strip, which is convenient for better entry; the plug-in board assembly and the slider assembly are arranged, and when the sealing strip enters the mold cavity, the sealing strip is guided into the connecting mold cavity through the guide on the plug-in board assembly, the guide on the slider assembly and the guide on the lower mold cavity.

[0045] 6. During the insertion of the sealing strip, the sliding block and the sliding groove are limited by the curvature, and the forward distance of the sealing strip continuously changes the entry angle, so as to meet the curvature requirement of the mold cavity caused by the curvature of the molded product itself and solve the problem of difficulty in inserting the curved strip.

[0046] 7. The structure of the automatic soft strip feeding device is optimized. The sealing strip to be inserted into the main mold cavity is kept in a folded state through the cooperation of the pressing block mechanism on the strip insertion fixture and the upper and lower supporting blocks. The strip insertion fixture is then pushed by the automatic pushing device to guide the sealing strip into the mold cavity under the guidance of the staggered guide structure of the mold cavity insert plate, thereby meeting the strip insertion requirements of the integrated mold joints, reducing the number of manual strip insertions, and improving the degree of automation and production efficiency.

[0047] 8. The second demoulding driving mechanism drives the first slider assembly and the second slider assembly to move to the side away from the sealing strip, and cooperates with the second demoulding driving mechanism to better demould the sealing strip.

[0048] 9. The integrated production line for automatic cutting and injection molding of sealing strips described in the present invention centrally optimizes the layout of a complete set of punching equipment and injection molding presses required for the production of sealing strips in the same space, reducing the time for product circulation and transportation, and in conjunction with the transportation of soft strips and soft strip fixtures transportation lines and top strips and strip sheet metal transportation lines and the transportation of handling robots, it can be produced and used at the same time, reducing the backlog of materials in the front-end process. By setting the strip sheet metal or sealing strip insert fixture assembly to flow to the handling robot on the corresponding transportation line, the strip sheet metal or sealing strip insert fixture assembly is then transported to the corresponding injection molding corner mold by the handling robot, and the automatic strip feeding device on the corresponding injection molding corner mold is used to push the product into the mold for automatic injection molding and product transportation after the finished product, so that the back-end process is fully automated, thereby improving production efficiency and product quality, and reducing the number of operators originally required for the back-end process, thereby reducing the production cost of the enterprise.

[0049] 10. The automatic strip feeding device for the top strip and the automatic strip feeding device for the first top strip separate the strip sheet metal on the mold from the mold and share the strip sheet metal with the cutting process, so that the strip only needs to be installed once in the initial cutting process, which is convenient for its flow between the cutting and corner injection molding processes, avoiding the repeated strip installation process between the two processes. And because the sealing strip is installed on the strip sheet metal at one time, the step of manual strip installation when the other end is connected to the mold can be eliminated. The handling robot only needs to dock the other end of the strip sheet metal fixture with another mold, thereby eliminating the need for manual strip installation in the injection molding process.

[0050] 11. The first injection corner mold controls the upper plug plate assembly and the middle plug plate assembly to flip during the demolding movement through the first demolding drive mechanism, so that the state of the original sealing strip lip close to the upper plug plate assembly and the middle plug plate assembly in the plug plate assembly is changed, and the flipped upper plug plate assembly and the middle plug plate assembly push the sealing strip lip to a certain angle, so that there is a gap between the upper plug plate assembly and the middle plug plate assembly and the sealing strip lip, so that the sealing strip product can have more space to deform and avoid during the demolding movement of the upper plug plate assembly and the middle plug plate assembly, reduce deformation resistance, and avoid the rupture of the product corner caused by the hard pulling of the upper plug plate assembly and the middle plug plate assembly on the root of the sealing strip lip, thereby reducing the scrap rate and improving production efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0051] Figure 1 It is a structural schematic diagram of the integrated assembly line for injection molding corners of sealing strips according to the present invention;

[0052] Figure 2 It is a structural schematic diagram of the injection molding press in the present invention;

[0053] Figure 3It is a schematic diagram of the structure of the corner injection mold installed on the injection molding press in the present invention;

[0054] Figure 4 It is a structural schematic diagram of the corner injection mold in the present invention;

[0055] Figure 5 It is a structural schematic diagram of the automatic strip feeding device for the top strip of the injection molding corner mold and the automatic strip feeding device for the soft strip in the initial positions of the present invention;

[0056] Figure 6 It is a structural schematic diagram of the inserting fixture of the present invention being placed into the injection molding corner mold;

[0057] Figure 7 It is a partial cross-sectional schematic diagram of the automatic soft strip feeding device and the strip inserting fixture in the present invention;

[0058] Figure 8 It is a structural schematic diagram of the injection molding corner mold in the present invention when it is opened and ready for demoulding;

[0059] Fig. 9 It is a structural schematic diagram of another perspective of the injection molding corner mold in the state of being opened and ready for demoulding in the present invention;

[0060] Fig.10 It is a schematic diagram of the installation of the strip inserting fixture and the automatic strip feeding device of the soft strip in the present invention;

[0061] Fig.11 It is a top view of the automatic top strip feeding device of the present invention when the first sealing strip is not installed;

[0062] Fig.12 It is a front view of the automatic top strip feeding device of the present invention;

[0063] Fig.13 It is a partial schematic diagram of the strip sheet metal equipped with the first sealing strip in the present invention being arranged on the plastic corner mold;

[0064] Fig.14 It is a schematic structural diagram of demoulding of the demoulding mechanism in the lower mold mechanism of the present invention;

[0065] Fig.15 It is a structural schematic diagram of the lower mold mechanism in the present invention when the strip inserting fixture is not installed;

[0066] Fig.16 It is a structural schematic diagram of the transport line in the present invention;

[0067] Fig.17 It is a partial structural diagram of the circulating conveying mechanism in the present invention;

[0068] Fig.18 It is a schematic diagram of the strip sheet metal being hung on the transport trolley in the present invention;

[0069] Fig.19 It is a schematic diagram of the structure of the strip inserting fixture on the reciprocating transport platform in the present invention;

[0070] Fig. 20 The sealing strip finished product after the corners are injection molded by the injection molding press in the present invention;

[0071] Fig.21 It is a top view of the integrated assembly line for automatic cutting and injection molding of sealing strips in the present invention;

[0072] Fig. 22 It is a structural schematic diagram of the first injection molding press in the present invention;

[0073] Fig.23 It is a structural schematic diagram of the first corner injection mold in the present invention being arranged on the first injection molding press;

[0074] Fig.24 It is a structural schematic diagram of the lifting mechanism in the present invention lifting the lower mold movable plate;

[0075] Fig.25 It is a schematic diagram of the upper plugboard assembly and the middle plugboard assembly in the present invention in a flipping state;

[0076] Fig.26 It is a front view of the state when the inclined top block and the roller assembly just come into contact with each other in the present invention;

[0077] Fig. 27 is a cross-sectional view of the first plugboard assembly of the present invention;

[0078] Fig.28 is a top view of the second demoulding drive mechanism of the present invention;

[0079] Fig.29 It is a partial structural schematic diagram of the first soft strip automatic feeding device in the present invention;

[0080] Fig.30 It is a schematic diagram of the cooperation between the first soft strip automatic feeding device and the sealing strip inserting fixture assembly in the present invention;

[0081] Fig.31 It is a structural schematic diagram of the sealing strip inserting strip clamp assembly on the soft strip and the soft strip clamping platform in the present invention;

[0082] Fig.32 This is a schematic diagram of a finished sealing strip after final processing by an integrated assembly line for automated cutting and injection molding of sealing strips in the present invention. DETAILED DESCRIPTION

[0083] The present invention is further explained below in conjunction with the accompanying drawings and specific embodiments.

[0084] Example 1

[0085] like Figures 1 to 19 The sealing strip injection molding corner integrated assembly line shown in the figure comprises: at least one transport line 4, a handling robot 5, a strip mounting sheet metal 6 for mounting a top strip, a strip insertion fixture 841 for mounting a soft strip, and an injection molding press 8, wherein the transport line 4 is arranged on one side of the injection molding press 8, and the handling robot 5 cooperates with the transport line 4 and the injection molding press 8;

[0086] The injection molding press 8 is provided with an injection molding corner mold, and the injection molding corner mold includes a lower mold mechanism 81 and an upper mold mechanism 82, wherein the upper mold mechanism 82 is arranged above the lower mold mechanism 81, and the two cooperate with each other; the lower mold mechanism 81 is provided with a first mold cavity and a second mold cavity;

[0087] It also includes an automatic top strip feeding device 83 and an automatic soft strip feeding device 84, which are respectively arranged at the top strip and soft strip feeding positions of the lower mold mechanism 81. When working, the strip sheet metal 6 equipped with the top strip is placed on the conveying line 4, and the conveying line 4 conveys the top strip and the strip sheet metal 6 to the loading position of the injection molding press 8. The handling robot 5 transfers the top strip and the strip sheet metal 6 to the automatic top strip feeding device 83, and the strip sheet metal 6 equipped with the top strip is pushed forward by the automatic top strip feeding device 83 until one end of the top strip enters the second mold cavity. designated position; at the same time, the strip insertion fixture 841 equipped with the soft strip is placed on the transportation line 4, the transportation line 4 transports the strip insertion fixture 841 equipped with the soft strip to the loading position of the injection molding press 8, the handling robot 5 transfers the strip insertion fixture equipped with the soft strip to the automatic soft strip feeding device 84, the automatic soft strip feeding device 84 pushes the strip insertion fixture 841 equipped with the soft strip forward until one end of the soft strip reaches the designated position of the first mold cavity, and the top strip and the soft strip are injection-molded by the injection molding corner mold. The product with completed injection molding corner is transported to the designated position through the finished product conveying and inspection packaging line 9.

[0088] It should be noted that the transport line can select a circulating transport line 4 or a reciprocating transport platform 102 according to actual processing needs, and the reciprocating transport platform 102 cooperates with the handling robot 5.

[0089] like Figure 3 , Figure 4 The lower mold mechanism 81 shown includes a first lower mold assembly 8101 and a second lower mold movable plate 8102, wherein the second lower mold movable plate 8102 is disposed above the first lower mold assembly 8101, and the two are connected in a lifting manner, and a group of lifting driving mechanisms 8103 for lifting the second lower mold movable plate 8102 is disposed on the outer side of the first lower mold assembly 8101.

[0090] The second lower mold movable plate 8102 is provided with a lower mold extension section 8111, the lower mold extension section 8111 is provided with a first sliding groove 8112, a sliding block 8113 is provided in the first sliding groove 8112, and the shape of the first sliding groove 8112 can be adjusted as needed;

[0091] like Figures 11 to 13 The automatic strip feeding device 83 shown includes a strip insertion power mechanism 831 and a strip insertion sheet metal fixture 832. The strip insertion power mechanism 831 includes a first strip insertion driving mechanism 8311, a driving joint 8312 and a power connection block 8313. The strip insertion sheet metal fixture 832 is arranged on the lower die extension section 8111. The strip insertion power mechanism 831 is arranged below the lower die extension section 8111. The strip installation sheet metal 6 is arranged above the strip insertion sheet metal fixture 832.

[0092] The first strip driving mechanism 8311 is connected to the lower mold extension section 8111 through a mounting seat, and the output end of the first strip driving mechanism 8311 is connected to the power connecting block 8313 through a driving joint 8312. The power connecting block 8313 is arranged below the sliding block 8113 and is simultaneously connected to the strip sheet metal 6 through a power rotating column 8314.

[0093] like Figure 5 , Figure 6 , Figure 8 , Fig. 9 The injection molding corner mold further includes a demoulding mechanism 85, which is disposed on the lower mold mechanism 81 and cooperates with the top strip automatic feeding device 83 and the soft strip automatic feeding device 84;

[0094] The lower mold mechanism 81 is also provided with a mounting platform 811, which is arranged in an inclined shape, and is provided with a group of guide grooves 812, and a group of first limit blocks 813 are provided on the outer side of the guide grooves 812, and a group of second limit blocks 814 are provided on the end of the mounting platform 811 away from the inserting strip power drive mechanism 842, and a slanted top block 815 is provided on one side of the mounting platform 811 of the lower mold mechanism 81; and a support block 816 is provided on one side of the lower mold mechanism 81 located on the first mold cavity;

[0095] The lower mold mechanism 81 is provided with a plate mechanism 817 and a slider assembly 818 on both sides of the second mold cavity, and the second mold cavity is provided with a second slider 819 on the side opposite to the slider assembly 818.

[0096] like Figures 5 to 10The soft strip automatic feeding device 84 shown includes a strip insertion power drive mechanism 842, which is arranged on the lower mold mechanism 81 and installed at the lower end of the installation platform 811; the output end of the strip insertion power drive mechanism 842 is connected to the strip insertion fixture 841;

[0097] The insert power drive mechanism 842 includes a sliding guide mounting plate 8421, a sliding groove is provided on the sliding guide mounting plate 8421, a power slider 8422 is provided in the sliding groove, and a group of limiting pressing blocks 8423 are provided on both sides of the sliding guide mounting plate 8421 located at the power slider 8422;

[0098] The strip driving mechanism 8424 is connected to the lower mold mechanism 81 through a mounting seat, and its output end is connected to the power slider 8422 through a flange connecting block 84241. The strip clamp 841 is arranged on the mounting platform 811 and connected to the power slider 8422.

[0099] like Figure 5 The inserting strip fixture 841 shown includes a fixture bottom plate 8411, a group of guide blocks 8412, an inserting plate assembly 8413, a slide block 8414 and a pressing block mechanism 8415. The fixture bottom plate 8411 is provided with a lower mold cavity, a slide rail assembly 8416 is provided on one side of the lower mold cavity, and the pressing block mechanism 8415 is connected to the slide plate in the slide rail assembly 8416. The guide block 8412 is provided below the fixture bottom plate 8411 and is slidably connected to the guide groove 812.

[0100] The insert plate assembly 8413 and the slider 8414 are disposed on two sides of the lower mold cavity, and the slider 8414 is slidably connected to the slide rail assembly 8416, and the pressing block mechanism 8415 is disposed on one side of the slider 8414;

[0101] like Figure 7 , Fig. 9The plug plate assembly 8413 shown includes an upper plug plate assembly 84131 and a lower plug plate assembly 84132, wherein the upper plug plate assembly 84131 is arranged above the lower plug plate assembly 84132, and the upper plug plate assembly 84131 is hinged to the lower mold mechanism 81 through an adapter frame, and the lower plug plate assembly 84132 is slidably connected to the second lower mold movable plate 8102; the pressing block mechanism 8415 includes a flip base 84151, a flip connection block 84152, The pressing block 84153, the flip base 84151 is installed on the lower mold mechanism 81, and one side of the flip base 84151 is connected to the slide rail assembly 8416 through the connecting block 841511, the flip connecting block 84152 is arranged on the flip base 84151, one end of which is provided with a roller 841521, and the other end is connected to the pressing block 84153, the roller 841521 is located above the inclined top block 815, and moves along the inclined top block 815.

[0102] It also includes a transport bracket 843 and a robot transport chuck 844 , and one side of the fixture base plate 8411 is connected to the robot transport chuck 844 through the transport bracket 843 .

[0103] like Figure 8 The plug-in board mechanism 817 shown is arranged on the lower mold mechanism 81 and is movably connected to the lower mold mechanism 81; the plug-in board mechanism 817 includes a lower plug-in board module 8171, a middle plug-in board module 8172 and an upper plug-in board module 8173, the lower plug-in board module 8171, the middle plug-in board module 8172 and the upper plug-in board module 8173 are arranged from bottom to top, and the two sides are movably connected to the slide rail 104 on the lower mold mechanism 81 through a sliding frame 8174, and the shapes of the ends of the lower plug-in board module 8171, the middle plug-in board module 8172 and the upper plug-in board module 8173 match the shape of the sealing strip;

[0104] The upper plug board module 8173 includes a first upper plug board 81731, a second upper plug board 81732 and a third upper plug board 81733. The first upper plug board 81731, the second upper plug board 81732 and the third upper plug board 81733 are all U-shaped. The second upper plug board 81732 is arranged on the inner side of the first upper plug board 81731, and the third upper plug board 81733 is arranged on the inner side of the second upper plug board 81732. The end faces of the lower plug board module 8171, the middle plug board module 8172 and the upper plug board module 8173 adopt a staggered guide structure, and the staggered guide structure can be adjusted with the shape of the sealing strip. In this way, there is a gap according to the shape of the sealing strip when the strip is inserted, which facilitates its better insertion.

[0105] like Fig.14 , 15The demoulding mechanism 85 shown includes a first demoulding mechanism, a second demoulding mechanism and a third demoulding mechanism, wherein the first demoulding mechanism includes a first demoulding power mechanism 851, and an output end of the first demoulding power mechanism 851 is provided with a first demoulding connecting rod 852, and the first demoulding connecting rod 852 is connected with the plug plate assembly 8413, the slider 8414 and the block pressing mechanism 8415, and is used to drive the plug plate assembly 8413 and the block pressing mechanism 8415 to flip up and the slider 8414 to move; the output end of the first demoulding power mechanism 851 is connected with the plug plate assembly 8413, the slider 8414 and the block pressing mechanism 8415, and is used to drive the plug plate assembly 8413 and the block pressing mechanism 8415 to flip up and the slider 8414 to move;

[0106] The second demoulding mechanism comprises a second demoulding power mechanism 853, the output end of which is provided with a second demoulding connecting rod 854, the second demoulding connecting rod 854 is connected to the plugging plate mechanism 817 and the lower plugging plate assembly 84132, and is used for moving the plugging plate mechanism 817 and the lower plugging plate assembly 84132;

[0107] The third demoulding mechanism comprises a third demoulding power mechanism 855, and the output end of the third demoulding power mechanism 855 is provided with a third demoulding connecting rod 856 for driving the slider in the slider assembly 818 and the second slider 819 to move; the first demoulding connecting rod 852 is provided with a first adapter block 8521 at one end close to the first demoulding power mechanism 851, and the first adapter block 8521 is provided with an open groove, and the slide in the slide rail assembly 8416 is provided with a connecting rod 84161, and the connecting rod 84161 is arranged in the open groove;

[0108] The end of the second demoulding link 854 is arranged at the second adapter block 8541, and the second adapter block 8541 is provided with a driving module 85411 for driving the plug-in plate mechanism 817, and the driving part of the driving module 85411 is arranged in the corresponding grooves of the lower plug-in plate module 8171 and the middle plug-in plate module 8172 of the plug-in plate mechanism 817; and the end of the second demoulding link 854 is provided with a through hole, and the through hole is provided with a third adapter block 85412, and the other end of the third adapter block 85412 is connected to a power rod hook 85413 for driving the plug-in plate assembly 8413 to move, and the lower side of the plug-in plate assembly 8413 is connected to the power rod hook 85413 through a connecting rod 84313;

[0109] The middle insert plate module 8172 is provided with a group of fixing seats, and the fixing seats are provided with a group of positioning bolts 81721. When demoulding, the second demoulding connecting rod 854 drives the second transfer block 8541 to drive the driving part of the driving module 85411 to move forward. Since the second transfer block 8541 and the third transfer block 85412 are both connected to the second demoulding connecting rod 854, when the second demoulding connecting rod 854 drives the second transfer block 8541 to drive the driving part of the driving module 85411 to move, the insert plate mechanism 817 and the lower insert plate in the lower insert plate assembly 84132 are driven to move away from the mold cavity along the power direction.

[0110] The third demoulding connecting rod 856 includes a third demoulding connecting rod main rod and a third demoulding connecting rod branch rod, the third demoulding connecting rod branch rod is arranged on one side of the third demoulding connecting rod main rod, and a connecting rod 8561 is arranged between the two, waist holes are arranged at both ends of the connecting rod 8561, the third demoulding connecting rod main rod and the third demoulding connecting rod branch rod are connected to the corresponding waist holes through a connecting shaft, the slide plate in the slider assembly 818 and the corresponding connecting shaft, the connecting shaft is arranged in the waist hole at one end of the connecting rod 8561, and the second slider 819 is arranged at the end of the third demoulding connecting rod main rod. When working, the third demoulding power mechanism 855 drives the third demoulding connecting rod 856 to extend, and during the extension process of the third demoulding connecting rod 856, the second slider 819 will be driven to move away from the mold cavity along the power direction, and at the same time, the connecting shafts on the third demoulding connecting rod main rod and the third demoulding connecting rod branch rod move in the waist hole, and during this process, the slide plate in the slider assembly 818 drives the slider assembly 818 to retreat, so that the mold cavity is in an open state.

[0111] Also includes an auxiliary demoulding mechanism 86, such as Fig.11 , Fig.12 As shown, the auxiliary demoulding mechanism 86 includes a third slider 861, a driving frame 862 and an auxiliary demoulding driving mechanism 863. A mounting plate 8114 is provided on one end of the lower mold extension section 8111 on the second lower mold movable plate 8102. A second sliding groove 81141 is provided on the mounting plate 8114. The third slider 861 is provided above the mounting plate 8114 and on one side of the slider assembly 818. Among them, the auxiliary demoulding drive mechanism 863 includes a first sliding plate 8631, an auxiliary driving frame 8632 and a demoulding drive cylinder 8633. The first sliding plate 8631 is arranged in the sliding groove of the second lower mold movable plate 8102, and a group of sliding rails are arranged on both sides of the sliding groove. The output end of the demoulding drive cylinder 8633 is connected to the first sliding plate 8631, one end of the auxiliary driving frame 8632 is connected to the first sliding plate 8631, and the other end is provided with a through hole, and it extends to the top of the second sliding groove 81141, the driving frame 862 is inserted into the through hole of the auxiliary driving frame 8632 and extends to the second sliding groove 81141, and the driving frame 862 is connected to the third slider 861.

[0112] like Fig.11 , Fig.12 The illustrated insert sheet metal fixture 832 comprises a first fixture bottom plate 8321, one side of which is provided with at least one set of first positioning members 83211 and second positioning members 83212, the first positioning members 83211 are provided with positioning grooves, and the second positioning members 83212 are provided with a central cross positioning groove;

[0113] It also includes a sheet metal fixing component 8322, which includes a sheet metal pressing block 83221 and a pressing block driving cylinder 83222. The pressing block driving cylinder 83222 is arranged on the first clamp bottom plate 8321, and its output end is connected to the sheet metal pressing block 83221.

[0114] It also includes a sealing strip positioning assembly 8323, which includes a positioning drive cylinder 83231 and a toggle clamp positioning assembly 83232. The positioning drive cylinder 83231 is arranged on the first fixture bottom plate 8321, and the toggle clamp positioning assembly 83232 is connected to the output end of the positioning drive cylinder 83231. The sheet metal fixing assembly 8322 and the sealing strip positioning assembly 8323 can respectively position the stripping sheet metal and the sealing strip well, thereby improving the stability of subsequent processing.

[0115] like Figures 16 to 18 The circular transport line 4 shown includes a group of transport trolleys 41 and a circular transport mechanism 42, wherein the transport trolleys 41 are arranged on the circular transport mechanism 42 at intervals, and the circular transport mechanism 42 is vertically arranged on a transport frame 44 through a connecting piece 43;

[0116] The transport trolley 41 is provided with a hanging base 411 , the hanging base 411 is provided with a longitudinal positioning groove 4111 , and transverse positioning grooves 4112 are provided in the horizontal direction on both sides of the longitudinal positioning groove 4111 . The circulating conveying mechanism 42 is arranged on the hanging base 411 .

[0117] The transport trolley 41 further includes a synchronous belt connector 4101, a set of connecting wall panels 4102, a set of planar guide rollers 4103 and a set of oblique rollers 4104, and the connecting wall panels 4102 are provided with perforations;

[0118] The synchronous belt connector 4101 is arranged between the connecting wall panels 4102, and extension parts are provided at both ends of the synchronous belt connector 4101. The extension parts are arranged in the through holes of the connecting wall panels 4102, and the extension parts are provided with inclined surfaces. The planar guide rollers 4103 are arranged on the connecting wall panels 4102, and the inclined rollers 4104 are arranged above the planar guide rollers 4103 and installed on the inclined surfaces of the extension parts of the synchronous belt connector 4101. The synchronous belt connector 4101 is connected to the circulating conveying mechanism 42.

[0119] The circulating conveying mechanism 42 includes a conveying support frame 421, and an annular track frame 422 is relatively provided on the outer side of the conveying support frame 421, and a synchronous belt driving wheel 423 and a synchronous belt driven wheel 424 are respectively provided at both ends of the conveying support frame 421 between the annular track frame 422, and the synchronous belt driving wheel 423 and the synchronous belt driven wheel 424 are connected to the bearing on the annular track frame 422 through a driving shaft, and the synchronous belt driving wheel 423 and the synchronous belt driven wheel 424 are connected through a synchronous belt 425. A conveying drive component 426 is provided on the outer side of the annular track frame 422 at one end of the synchronous belt driving wheel 423, and the output end of the conveying drive component 426 is connected to one end of the driving shaft of the synchronous belt driving wheel 423.

[0120] Annular inclined plane guide rails 4221 are respectively provided on the upper and lower inner sides of the annular track frame 422 , the planar guide roller 4103 cooperates with the horizontal surface of the annular inclined plane guide rail 4221 , and the inclined roller 4104 cooperates with the inclined surface of the annular inclined plane guide rail 4221 .

[0121] The outer side of the annular track frame 422 is provided with a strip taking auxiliary fixing module 45 .

[0122] The suspension base 411 is provided with a set of ear plates on one side close to the transport trolley 41 , and the ear plates are arranged on the inner side of the connecting wall panels 4102 and are locked by screws.

[0123] An upper groove and a lower groove are respectively provided on both sides of the longitudinal positioning groove 4111 in the horizontal direction, and the lower transverse positioning groove 4112 is located at the lower part of the upper groove.

[0124] like Fig.18 The stripping sheet metal 6 includes a stripping sheet metal body 61, a sheet metal longitudinal rod 62 is provided on one side of the stripping sheet metal body 61, a group of positioning cross bars 63 are provided on both sides of the sheet metal longitudinal rod 62, the sheet metal longitudinal rod 62 is clamped in the longitudinal positioning groove 4111, the positioning cross bar 63 is clamped in the transverse positioning groove 4112, and at least one group of grabbing holes 611 is provided on the stripping sheet metal body 61;

[0125] An anti-slip protrusion 41121 is provided on the outer side of the transverse positioning groove 4112 , and an inclined surface is provided on the inner side of the anti-slip protrusion 41121 .

[0126] like Fig. 20 , Fig.31 The finished sealing strip 87 shown is composed of a sealing strip 1 871, a sealing strip 2 872, a first sealing strip 873 and a second sealing strip 874, wherein the sealing strip 1 871 and the sealing strip 2 872 constitute a third sealing strip;

[0127] The working method of the integrated assembly line for injection molding of sealing strip corners described in this embodiment is as follows:

[0128] 1): The injection molding press drives the upper mold mechanism 82 to rise, the inserting plate mechanism 817, the slider in the slider assembly 818 and the second slider 819 are in the inserting standby position, and the inserting power drive mechanism 842 and the inserting power mechanism 831 are in the inserting fixture placement standby position;

[0129] 2): The staff hangs the strip sheet metal 6 equipped with the first sealing strip 873 onto the transport line 4;

[0130] Another staff member will, after the processing is completed, clamp the third sealing strip into the strip inserting fixture 841 on the reciprocating transport platform 102, and the manual operation is now completed;

[0131] 3): The transport line 4 transports the first sealing strip 873 and the strip sheet metal 6 to the clamping position of the handling robot 5, and the soft strip and the strip clamp are clamped by the reciprocating transport platform 102 to transport the third sealing strip and the strip clamp 841 to the clamping position of the handling robot 5;

[0132] 4): The lifting drive mechanism 8103 on the first lower mold assembly 8101 extends to lift the entire second lower mold movable plate 8102, and the handling robot 5 takes out the third sealing strip and inserting strip clamp 841 from the soft strip and inserting strip clamp clamping reciprocating transport platform 102 and transports it to the corresponding slide groove on the second lower mold movable plate 8102, and connects it to the inserting strip power drive mechanism 842; the oil cylinder on the inserting strip power drive mechanism 842 extends to push the inserting strip clamp 841 forward until the outer head end of the second sealing strip 872 is inserted into the second mold cavity formed by the first lower mold assembly 8101, the inserting plate mechanism 817 and the second slider 819;

[0133] 5): The lifting drive mechanism 8103 on the first lower mold assembly 8101 retracts to lower the entire second lower mold movable plate 8102, and then the transport robot 5 moves to transport the first sealing strip 873 and the end of the first sealing strip 873 on the strip sheet metal 6 that is not connected to the corner to the injection molding corner mold on the injection molding press 8, and install them on the strip sheet metal fixture 832. The sheet metal fixing component 8322 and the sealing strip positioning component 8323 respectively position the strip sheet metal 6 and the first sealing strip 873. The electric cylinder on the strip power mechanism 831 extends to push the strip sheet metal fixture 832 forward until the head end of one side of the first sealing strip 873 is inserted into the mold cavity formed by the first lower mold assembly 8101, the inserting plate mechanism 817 and the slider in the slider assembly 818. At this time, the injection molding corner mold completes the strip insertion step and waits for injection molding;

[0134] 6): The injection molding press drives the upper mold mechanism 82 to descend for injection molding. After the injection molding is completed, the injection molding press 8 drives the upper mold mechanism 82 to rise and lift up. At this time, the sealing strip product corner connection is completed;

[0135] 7): After the upper mold mechanism 82 is lifted, demoulding is performed, that is, the lifting drive mechanism 8103 on the first lower mold assembly 8101 extends again to lift the entire second lower mold movable plate 8102, and then the oil cylinder on the first demoulding power mechanism 851 in the first demoulding mechanism drives the first demoulding connecting rod 852 thereon to retract, and during the retraction of the first demoulding connecting rod 852, the upper insert plate in the upper insert plate assembly 84131 on the inserting fixture 841, the pressing block 84153 in the pressing block mechanism 8415 are turned up, and the slider 8414 moves backward;

[0136] The oil cylinder on the second demoulding power mechanism 853 in the second demoulding mechanism drives the second demoulding connecting rod 854 thereon to extend, and during the extension of the second demoulding connecting rod 854, the lower inserting plate in the lower inserting plate assembly 84132 on the inserting strip clamp 841 is driven to move away from the mold cavity along the power direction;

[0137] The oil cylinder of the third demoulding power mechanism 855 in the third demoulding mechanism drives the third demoulding connecting rod 856 thereon to extend, and in the process of extending the third demoulding connecting rod 856, it drives the second slider 819 to move away from the mold cavity along the power direction, and in this process, the slider in the slider assembly 818 retreats in the opposite direction of the power; at this time, the demoulding drive cylinder 8633 in the auxiliary demoulding mechanism 86 drives 8631 to retract, and in the process of 8631 retracting, it drives 8632 and 862 to retract, and in this process, 862 drives 861 to move away from the mold cavity along the power direction, and the mold cavity is in an open state. Finally, the sealing strip positioning assembly 8323 is opened, and the sealing strip product with the corner joint is taken out of the mold.

[0138] It should be noted that the above-mentioned sealing strip injection molding corner integrated assembly line is processed and formed during the operation process. Fig.19 Sealing strip products.

[0139] Example 2

[0140] like Figures 1 to 31The sealing strip automatic cutting and injection molding corner integrated assembly line shown includes the sealing strip injection molding corner integrated assembly line in Example 1, and also includes a soft strip punching device 1, a soft strip punching device 2, a top strip punching device 3, a first transport line 401 for conveying the fourth soft strip, and a first injection molding press 7. The soft strip punching device 1, the soft strip punching device 2, the top strip punching device 3, the first transport line 401 and the first injection molding press 7 are respectively arranged at corresponding processing stations, the soft strip punching device 1 is arranged on one side of the first transport line 401, and a soft strip and soft strip fixture clamping table 101 is arranged between the two, and the handling robot 5 cooperates with the first transport line 401, the first transport line 401, the first injection molding press 7, the injection molding press 8, and the finished product conveying and inspection packaging line 9. It should be noted that the structure of the first transport line 401 is the same as that of the transport line 4 in Example 1.

[0141] Also included is a sealing strip insert clamp assembly for installing a fourth sealing strip, such as Fig.29 The sealing strip inserting fixture assembly shown includes an upper profiling guide 1031, a lower profiling guide 1032, a fixture profiling upper cover plate 1033 and a fixture profiling base 1034, wherein the upper profiling guide 1031, the lower profiling guide 1032 and the fixture profiling upper cover plate 1033 and the fixture profiling base 1034 are connected via a guide rod 1035; the fixture profiling upper cover plate 1033 and the fixture profiling base 1034 are connected via a rotating shaft 1036, and the upper profiling guide 1031, the lower profiling guide 1032 and the fixture profiling upper cover plate 1033, the fixture profiling base 1034 are connected via a rotating shaft 1036. A profiling cavity is provided between the profiling bases 1034; a limiting column head is provided at the end of the guide rod 1035; a limiting clamp 10341 is provided on the clamp profiling base 1034, and a flip rod 10331 and a locking rod 10332 are provided on the clamp profiling upper cover 1033, and the locking rod 10332 can cooperate with the limiting clamp 10341 to lock the clamp profiling upper cover 1033 and the clamp profiling base 1034, the bottom surface of the clamp profiling base 1034 is trapezoidal and guide parts are provided on both sides, and a socket is also provided on the bottom surface of the clamp profiling base 1034.

[0142] A transport socket 10342 is provided on the side of the fixture contour base 1034 , and a first transport bracket is installed on the transport socket 10342 , and the first transport bracket is connected to the first robot transport chuck.

[0143] like Figure 22 to Figure 26 The first injection molding press 7 shown is provided with a first injection molding corner mold, and the first injection molding corner mold includes a first lower mold mechanism 71 and a first upper mold mechanism 72. The first lower mold mechanism 71 is arranged on the workbench of the first injection molding press 7, and the first upper mold mechanism 72 is arranged above the first lower mold mechanism 71, and the two cooperate with each other;

[0144] The first lower mold mechanism 71 includes a second lower mold assembly 711, a first plug plate assembly 712, a first slider assembly 713, a second slider assembly 714, a first demoulding drive mechanism 715, a second demoulding drive mechanism 716, a first top strip automatic feeding device 717 and a first soft strip automatic feeding device 718. The second lower mold assembly 711 is provided with a first mold cavity and a second mold cavity, and one end of the second mold cavity is communicated with the first mold cavity; the second lower mold assembly 711 includes a first lower mold bottom plate 7111, a first lower mold 7112, a lower mold movable plate 7113, and a group of lifting mechanisms 7114. The first lower mold 7112 is arranged above the first lower mold bottom plate 7111, the lower mold movable plate 7113 is arranged above the first lower mold 7112, and is connected through a group of guide pillars. The lifting mechanism 7114 is arranged on the outer side of the first lower mold 7112, and its output end is connected to the lower mold movable plate 7113;

[0145] like Fig.24 , Fig.25 , Fig. 27 The first insert plate assembly 712 shown is arranged on the first lower mold mechanism 71 and between the first mold cavity and the second mold cavity; the first slider assembly 713 is arranged on the outside of the first mold cavity; the second slider assembly 714 is arranged on the outside of the second mold cavity; the first demoulding drive mechanism 715 is arranged on the outside of the second lower mold assembly 711, and the fourth demoulding connecting rod 7151 at its output end is connected to the first insert plate assembly 712 through the adapter assembly 71501; the second demoulding drive mechanism 716 is connected to the lower mold movable plate 7113, and the fifth demoulding connecting rod 7161 at its output end is connected to the first slider assembly 713 through the adapter drive frame 73, and the second slider assembly 714 is connected to the fifth demoulding connecting rod 7161;

[0146] The first top strip automatic feeding device 717 and the first soft strip automatic feeding device 718 are arranged on the lower mold movable plate 7113 and on both sides of the first plugboard assembly 712.

[0147] It should be noted that the first top strip automatic feeding device 717 has the same structure as the top strip automatic feeding device 83 .

[0148] like Fig.24 , Fig.25 The first plugboard assembly 712 shown includes a first lower plugboard assembly 7121, a first middle plugboard assembly 7122, an upper plugboard unit 7123 and a plugboard sliding limit assembly 7124, wherein the first lower plugboard assembly 7121, the first middle plugboard assembly 7122 and the upper plugboard unit 7123 are arranged from bottom to top, and the first lower plugboard assembly 7121, the first middle plugboard assembly 7122 and the upper plugboard unit 7123 are provided with a flange portion on one side close to the third mold cavity and the fourth mold cavity;

[0149] like Fig. 27 The plug plate sliding limit assembly 7124 shown is arranged on the lower mold movable plate 7113, the lower part of the first lower plug plate assembly 7121 is embedded with a fourth slider 71201, the fourth slider 71201 is movably connected to the sliding groove of the plug plate sliding limit assembly 7124, the outer side of the upper plug plate unit 7123 is provided with a first power connecting block 7125, and a guide inclined top block 7126 is provided below the first power connecting block 7125, and the guide inclined top block 7126 is connected to the first lower plug plate assembly 7121, the outer side of the first power connecting block 7125 is provided with a roller assembly 71251, and the roller assembly 71251 cooperates with the guide inclined top block 7126, and the outer side of the first power connecting block 7125 is also provided with a limiting sliding frame 71252, the lower part of the limiting sliding frame 71252 is L-shaped, and the lower part of the limiting sliding frame 71252 is arranged in the groove on the outer side of the guide inclined top block 7126;

[0150] An L-shaped support block 7127 is provided at the lower part of the guide inclined top block 7126, and a third limit block 7128 is provided below the L-shaped support block 7127. A sliding limit block 7129 is provided on the outer side of the third limit block 7128, and an extension section of the upper part of the sliding limit block 7129 is provided on the extension section of the L-shaped support block 7127, and the L-shaped support block 7127, the third limit block 7128 and the sliding limit block 7129 cooperate with each other.

[0151] The end of the first middle plug plate assembly 7122 is connected by a connecting block 71221, and a groove is relatively provided on the outer side of one end of the connecting block 71221 away from the first middle plug plate assembly 7122, and a push rod 71222 is provided in the groove, and the lower part of the push rod 71222 is arranged in the first groove on the plug plate sliding limit assembly 7124, and the inner wall of the first groove is provided with an inclined top surface 71241; a group of power transmission keys 71223 are provided on the first middle plug plate assembly 7122, and the power transmission keys 71223 cooperate with the groove body on the inner side of the first power connecting block 7125.

[0152] The upper plug board unit 7123 includes a first upper plug board assembly 71231, a second upper plug board assembly 71232 and a third upper plug board assembly 71233, which are arranged in sequence from front to back, and an upward groove is provided thereunder, and the upward groove cooperates with the convex strip on the first middle plug board assembly 7122.

[0153] The transfer drive frame 73 is provided with a first through hole 731 at one end of the second demolding drive mechanism 716, and a second through hole 732 is provided at one end of the first slider assembly 713. The fourth demolding connecting rod 7151 is connected to the first through hole 731 via a connecting shaft. A second rotation point 733 is provided on the transfer drive frame 73, and the second rotation point 733 is rotatably connected to the lower mold movable plate 7113 via a connecting shaft.

[0154] It also includes a sliding limit assembly 74, which includes a sliding limit plate 741 for limiting the travel of the first slider assembly 713 and a sliding limit rotating plate 742 for limiting the travel of the second slider assembly 714, one side of the sliding limit plate 741 is connected to the lower mold movable plate 7113, and the sliding limit rotating plate 742 is rotatably connected to the lower mold movable plate 7113 via a connecting shaft;

[0155] The sliding limit plate 741 is provided with a first limit slot 7411 for limiting the movement of the first slider assembly 713, and the upper portion of the connecting shaft on the fourth demoulding link 7151 connected to the first through hole 731 passes through the first limit slot 7411;

[0156] The sliding limiting rotating plate 742 is provided with a second limiting sliding groove 7421 for limiting the moving stroke of the second sliding block assembly 714 , and the second sliding block assembly 714 is connected to the fifth demoulding connecting rod 7161 via a connecting shaft passing through the second limiting sliding groove 7421 .

[0157] A group of limiting plates 71131 are also provided on the lower mold movable plate 7113 , and the limiting plates 71131 are relatively arranged on two sides of the sliding plate in the first sliding block assembly 713 .

[0158] The demoulding process of the first injection molding corner mold in this embodiment is as follows:

[0159] During demoulding, the lifting drive cylinder in the lifting mechanism 7114 drives the lifting block to lift up the lower mold movable plate 7113, and at this time, the lower mold cavity on the first lower mold 7112 is separated from the sealing strip;

[0160] The driving cylinder in the second demoulding driving mechanism 716 drives the fifth demoulding link 7161 to move forward. During the forward movement, the fifth demoulding link 7161 will drive the transfer driving frame 73 to rotate around the connecting axis in the second rotation point 733. During this process, the transfer driving frame 73 drives the first slider assembly 713 to retreat along the sliding grooves of the two limit plates 71131 in the direction away from the sealing strip. At the same time, the fifth demoulding link 7161 drives the second slider assembly 714 to retreat along the sliding limit rotating plate 742 in the direction away from the sealing strip to the extreme position of the second limit sliding groove 7421. Then, the second slider assembly 714 drives the sliding limit rotating plate 742 to rotate around the rotation point in the direction away from the sealing strip.

[0161] When the first demoulding drive mechanism 715 is in a state of being moved backward, the driving cylinder on the first demoulding drive mechanism 715 drives the fourth demoulding connecting rod 7151 to move forward. During the movement, the fourth demoulding connecting rod 7151 drives the adapter assembly 71501 to retreat to the side away from the sealing strip. During the retreat, it first contacts the first lower plug plate assembly 7121, and moves backward together with the fourth sliding block 71201 in the first lower plug plate assembly 7121 in the plug plate sliding limit assembly 7124 and the sliding limit block 7129. During the retreat of the first lower plug plate assembly 7121, the guide inclined top block 7126 is driven to contact the roller assembly 71251 on the outer side of the upper plug plate unit 7123, and an upward force is applied to the roller assembly 71251 through the inclined top surface on the guide inclined top block 7126, so that the first middle plug plate assembly 7122 and the upper plug plate unit 7123 are pre-flipped through the first power connecting block 7125.

[0162] The adapter assembly 71501 drives the first lower plug plate assembly 7121 to retreat a certain distance and then contact the first middle plug plate assembly 7122, and drives the first lower plug plate assembly 7121 and the first middle plug plate assembly 7122 to retreat together until the top rod 71222 in the first middle plug plate assembly 7122 contacts the inclined top surface 71241 on the plug plate sliding limit assembly 7124, and then under the reaction force of the inclined top surface 71241, the first middle plug plate assembly 7122 is connected to the upper plug plate unit 7124 through the top rod 71222 during the retreat of the first middle plug plate assembly 7122. 23 gradually flips up, and at the same time, the roller assembly 71251 also moves upward along the guide inclined top block 7126 to further apply upward force until the top rod 7122 completely passes through the inclined top surface 71241 and the flipping is completed; when the second adapter block drives the first lower plug plate assembly 7121 and the first middle plug plate assembly 7122 to retreat, the power transmission key 71223 on the first middle plug plate assembly 7122 retreats until it supports the first power connecting block 7125, and the first middle plug plate assembly 7122 drives the upper plug plate unit 7123 to retreat together until it reaches the demoulding position.

[0163] like Fig.29The first soft strip automatic feeding device 718 shown includes a mold-injection mechanism 7181 and a first power mechanism 7182. One end of the mold-injection mechanism 7181 is connected to the first lower mold mechanism 71, and the other end is detachably connected to the first power mechanism 7182. The sealing strip insertion clamp assembly is detachably arranged on the mold-injection mechanism 7181.

[0164] The mold-entering mechanism 7181 includes a mold-entering mounting plate 71811 and a second power connecting block 71812. The mold-entering mounting plate 71811 is provided with a trapezoidal guide groove, and the end thereof away from the first power mechanism 7182 is located on both sides of the trapezoidal guide groove and is provided with a group of L-shaped limit blocks 718111 opposite to each other, and the end close to the first power mechanism 7182 is provided with a limit block 71813, and the second power connecting block 71812 is slidably installed under the mold-entering mounting plate 71811 through a linear slide rail, and the second power connecting block 71812 is close to the end of the first power mechanism 7182. Quick-connect guide grooves 718121 are provided on both sides of the first power mechanism 7182, which includes a mounting block 71821 and a first driving cylinder 71822. A quick-change groove 718211 is provided on the mounting block 71821. The output end of the first driving cylinder 71822 passes through the mounting block 71821. A joint 718221 is provided on the outer side of the mounting block 71821. A step head which can be plugged into the quick-connect guide groove 718121 is provided at the end of the joint 718221. The shape of the quick-change groove 718211 matches the shape of the limit block 71813 and the two can be plugged in. Multiple limit blocks 71813 can be arranged side by side, and the joint 718221 can be arranged in the form of multiple steps. Since the first power mechanism 7182 has a first drive cylinder 71822 and a servo motor 71823, which are relatively heavy, multiple limit blocks 71813 are arranged to cooperate with the joint 718221 to lock, which can effectively prevent the gravity at the rear end of the first power mechanism 7182 from being converted into an upward force on the second power connecting block 71812, causing the second power connecting block 71812 to slide poorly on the slide rail.

[0165] The mounting block 71821 is also provided with a push-pull toggle clamp 71824, and the push-pull toggle clamp 71824 is connected with a latch 7186. The latch 7186 is located inside the mounting block 71821. The limiting block 71813 is provided with a latch hole 718122, and the latch 7186 can be plugged into the latch hole 718122.

[0166] In a preferred solution, the limit block 71813 is a T-shaped limit block, the quick-change slot 718211 is a T-shaped slot, and trapezoidal guide sections are provided at both ends of the quick-change slot 718211. It should be noted that the limit block 71813 and the quick-change slot 718211 in this solution are not limited to T-shaped, and any structure that can achieve quick plug-in can be used.

[0167] A through slot is provided in the middle of the mold mounting plate 71811, and a lifting cylinder 718123 is installed on the second power connection block 71812, and the piston rod of the lifting cylinder 718123 can extend out of the through slot. An opening and closing cylinder 71814 is also provided on the side of the mold mounting plate 71811.

[0168] The installation and disassembly process of the first soft strip automatic feeding device 718 is as follows:

[0169] Align the quick-change groove 718211 in the mounting block 71821 on the first power mechanism 7182 with the limit block 71813 for docking. After inserting for a certain distance, align the connector 718221 with the quick-connect guide groove 718121 on the second power connection block 71812, and then insert the mounting block 71821 into the limit block 71813. Meanwhile, the connector 718221 will also be inserted into the second power connection block 71812 under the guidance of the quick-connect guide groove 718121.

[0170] When the installation block 71821 is completely inserted into the limit block 71813, the push-pull toggle clamp 71824 is closed, and the push-pull toggle clamp 71824 drives the latch 7186 to extend until it is inserted into the latch hole 718122 of the limit block 71813. At this time, the installation block 71821 is limited by the limit block 71813 and the latch 7186, and the installation of the first power mechanism 7182 is completed. Conversely, when disassembling the first power mechanism 7182, it is only necessary to open the push-pull toggle clamp 71824 and pull out the first power mechanism 7182 as a whole.

[0171] The cooperation process of the first soft strip automatic feeding device 718 and the sealing strip inserting fixture assembly is as follows:

[0172] First, pull the lower profiling guide 1032 and the upper profiling guide 1031 forward until the limiting column head at the tail of the guide rod 1035 presses against the clamp profiling base 1034 and the clamp profiling upper cover 1033, then put the soft sealing strip on the clamp profiling base 1034 and the lower profiling guide 1032, and the front end of the soft sealing strip is flush with the lower profiling guide 1032, and finally close the clamp profiling upper cover 1033, and the locking rod 10332 on the clamp profiling upper cover 1033 and the limiting clamp 10341 on the clamp profiling base 1034 are locked with each other, and the lower profiling guide 1032 and the upper profiling guide 1031 maintain the soft sealing strip in a folded state through the profiling cavity, and the clamp profiling base 1034 and the clamp profiling upper cover 1033 press and clamp the soft sealing strip through the profiling cavity;

[0173] The opening and closing cylinder 71814 on the first soft strip automatic feeding device 718 drives the opening and closing top block at its output end to rise, and the robot then carries the soft sealing strip inserting fixture with the sealing strip installed and installs it on the first soft strip automatic feeding device 718 of the first injection molding corner mold and fits it with the trapezoidal guide groove on the mold installation plate 71811 and the power top block at the output end;

[0174] The servo motor 71823 drives the first drive cylinder 71822 to extend, and at the same time, the first drive cylinder 71822 drives the lifting cylinder 718123 to move forward on the linear guide rail below the mold mounting plate 71811. During the forward movement, the lifting cylinder 718123 drives the power top block at the output end to support the sealing strip insertion clamp assembly embedded with it and move forward together. During the forward movement, when entering the L-shaped limit block 718111, the L-shaped limit block 718111 limits the clamp contour base 1034 from top to bottom, and cooperates with the trapezoidal guide groove to limit the sealing strip insertion clamp assembly to move in the trapezoidal guide groove to prevent position displacement during movement.

[0175] When the profiling lower guide 1032 and the profiling upper guide 1031 at the front end of the sealing strip insertion clamp assembly hit the limiting top block in front of the fourth cavity on the first injection molding corner mold, the profiling lower guide 1032 and the profiling upper guide 1031 stop moving. At this time, the profiling cavity composed of the profiling lower guide 1032 and the profiling upper guide 1031 is docked with the fourth cavity. Subsequently, the first soft strip automatic feeding device 718 continues to drive the forward movement of the clamp profiling base 1034 and the clamp profiling upper cover plate 1033 on the lower soft sealing strip clamp assembly to clamp the soft sealing strip and continue to move forward. Under the mutual cooperation of the profiling lower guide 1032 and the profiling upper guide 1031 and the guide of the fourth cavity, the sealing strip is guided into the connecting mold cavity, and the connecting mold process is started.

[0176] During the mold connection process, the opening and closing cylinder 71814 drives the opening and closing top block to extend, and at the same time, the opening and closing top block rises and supports the flip rod 10331 to drive it to rise. After the flip rod 10331 is forced to rise, it drives the clamp profiling upper cover plate 1033 to rotate around the rotating shaft 1036 and drives the locking rod 10332 thereon to disengage from the limit clamp 10341. At this time, the profiling cavity is opened, thereby preventing the clamping force of the profiling cavity from driving the soft sealing strip to move together, causing the product to break at the mold connection and affecting the yield rate. When the clamp profiling upper cover plate 1033 is opened, the servo motor 71823 drives the first driving cylinder 71822 to retract and move it to the standby position, and then the robot drives the sealing strip inserting clamp assembly to translate backward in the trapezoidal guide groove until it is separated from the soft sealing strip.

[0177] The working method of the integrated assembly line for automatic cutting and injection molding of sealing strips described in this embodiment is as follows: Taking the sealing strip of the guide groove of the rear door of an automobile as an example, the specific process is as follows:

[0178] 1): The staff first installs the semi-finished top strip sealing strip on the strip mounting sheet metal 6 in the top strip punching equipment 3 and performs punching processing; then the semi-finished soft strip sealing strip is punched on the soft strip punching equipment 1, and after the processing is completed, the semi-finished soft strip sealing strip is clamped on the soft strip and soft strip clamp clamping table 101 to the sealing strip insertion clamp assembly; after the top strip sealing strip is processed, the staff hangs the strip mounting sheet metal 6 equipped with the first sealing strip 873 on the conveying line 4, and hangs the sealing strip insertion clamp assembly equipped with the second sealing strip 874 on the first conveying line 401, and the manual operation is completed at this time;

[0179] Another staff member punches the semi-finished soft strip sealing strip on the soft strip punching device 2 2 , and after the processing is completed, the third sealing strip is clamped into the strip insertion fixture 841 on the reciprocating transport platform 102 , and the manual operation is completed at this time;

[0180] 2): The transport line 4 and the first transport line 401 transport the first sealing strip 873 and the strip sheet metal 6 and the second sealing strip 874 and the sealing strip inserting clamp assembly to the clamping position of the handling robot 5 respectively, and the soft strip and inserting clamp clamping reciprocating transport platform 102 transports the third sealing strip and the inserting clamp 841 to the clamping position of the handling robot 5;

[0181] 3): The transport robot 5 first takes out the second sealing strip 874 and the sealing strip inserting fixture assembly from the first transport line 401 and transports them to the first injection molding corner mold on the first injection molding press 7. The soft strip and the sealing strip inserting fixture assembly are driven by the first soft strip automatic feeding device 718 on the first injection molding corner mold to insert the soft strip into the fourth mold cavity of the first injection molding corner mold;

[0182] Similarly, the handling robot 5 moves to take out the first sealing strip 873 and the strip sheet metal 6 from the transport line 4 and transports them to the first injection molding corner mold on the first injection molding press 7. The top strip and the strip sheet metal 6 are driven by the first top strip automatic feeding device 717 on the first injection molding corner mold to insert the first sealing strip 873 into the third mold cavity, and then the first injection molding corner mold starts molding the corner.

[0183] 4): After the first injection molding corner mold is closed, the handling robot 5 cooperates with the opening mechanism on the first injection molding corner mold to separate the sealing strip inserting clamp assembly from the second sealing strip 874, and puts the sealing strip inserting clamp assembly back to the first transportation line 401, and then the first transportation line 401 is operated to transport another second sealing strip 874 and the sealing strip inserting clamp assembly to the clamping position of the handling robot 5;

[0184] 5): The handling robot 5 takes out the third sealing strip and inserting strip fixture 841 from the soft strip and inserting strip fixture clamping reciprocating transport platform 102 and carries it to the injection molding corner mold on the injection molding press 8. The third sealing strip and inserting strip fixture 841 is driven by the inserting strip power driving mechanism 842 on the injection molding corner mold to insert the third sealing strip into the first mold cavity;

[0185] 6): When the first corner injection mold is completed, the handling robot 5 takes out the first sealing strip 873 and the strip sheet metal 6 from the first corner injection mold, and at the same time, the first sealing strip 873 and the strip sheet metal 6 are separated from the first corner injection mold with the first sealing strip 873 and the second sealing strip 874 that have been completed, and then the handling robot 5 moves to carry the unjoined end of the first sealing strip 873 on the first sealing strip 873 and the strip sheet metal 6 to the corner injection mold on the injection molding press 8, and the first sealing strip 873 and the strip sheet metal 6 are driven by the strip insertion power mechanism 831 in the strip automatic feeding device 83 on the corner injection mold to insert the top strip into the mold cavity, and then the mold starts to mold the corner;

[0186] 7): When the corners at both ends of the first sealing strip 873 are completed, the handling robot 5 directly grabs the first sealing strip 873 in the corner injection mold and separates it from the strip mounting sheet metal 6, and at the same time takes the first sealing strip 873 and the third sealing strip with the corners completed out of the mold, and the finished rear door sealing strip is now completed;

[0187] The transport robot 5 moves the finished rear door sealing strip 87 to the finished product conveyor belt of the finished product conveying and testing packaging line 9, and the finished product conveyor belt then transports the finished rear door sealing strip 87 to the finished product inspection and packaging area of ​​the finished product conveying and testing packaging line 9 for inspection and packaging;

[0188] 8): The handling robot 5 takes the strip clamp 841 out of the injection molding corner mold and puts it back on the soft strip and strip clamp reciprocating transport platform 102. Then the soft strip and strip clamp reciprocating transport platform 102 operates to transport another soft strip and strip clamp 841 to the robot clamping position and the empty strip clamp 841 back to the clamping position;

[0189] 9): Finally, the handling robot 5 moves to remove the strip sheet metal 6 from the injection molding corner mold, and puts the strip sheet metal 6 back to the transportation line 4. Then the transportation line 4 operates to transport another first sealing strip 873 and the strip sheet metal 6 to the clamping position of the handling robot 5 for the next round of processing.

[0190] It should be noted that the above-mentioned products formed by the integrated assembly line for automatic cutting of sealing strips and injection molding of corners are as follows: Fig.32 Finished product shown.

[0191] It can be imagined that in the actual production process, the soft strip punching equipment 1, the soft strip punching equipment 2, the top strip punching equipment 3, the transportation line, the handling robot 5, the stripping sheet metal 6, the first injection molding press 7, the injection molding press 8 and the finished product conveying and inspection packaging line 9 can be assembled according to actual needs to complete the corner processing of the front door sealing strip or the rear door sealing strip. The front and rear door sealing strips can form a complete door production line.

Claims

1. An integrated production line for injection molding of sealing strip corners, characterized in that: include: At least one transport line, a handling robot (5), a strip mounting sheet metal (6) for mounting a top strip, a strip insertion fixture (841) for mounting a soft strip, and an injection molding press (8), wherein the transport line is arranged on one side of the injection molding press (8), and the handling robot (5) cooperates with the transport line and the injection molding press (8); The injection molding press (8) is provided with an injection molding corner mold, the injection molding corner mold comprising a lower mold mechanism (81) and an upper mold mechanism (82), the upper mold mechanism (82) being arranged above the lower mold mechanism (81), and the two cooperate with each other; the lower mold mechanism (81) is provided with a first mold cavity and a second mold cavity; It also includes an automatic top strip feeding device (83) and an automatic soft strip feeding device (84), wherein the automatic top strip feeding device (83) and the automatic soft strip feeding device (84) are respectively arranged at the top strip and the soft strip feeding position of the lower mold mechanism (81). When working, the strip sheet metal (6) equipped with the top strip is placed on the conveying line, and the conveying line conveys the top strip and the strip sheet metal (6) to the feeding position of the injection molding press (8). The handling robot (5) transfers the top strip and the strip sheet metal (6) to the automatic top strip feeding device (83), and the strip sheet metal (6) equipped with the top strip is pushed forward by the automatic top strip feeding device (83) until one end of the top strip enters The strip inserting fixture (841) is placed on a conveyor line, and the conveyor line conveys the strip inserting fixture (841) to a loading position of an injection molding press (8). The handling robot (5) transfers the strip inserting fixture to an automatic strip feeding device (84) for the soft strip. The automatic strip feeding device (84) pushes the strip inserting fixture (841) for the soft strip forward until one end of the soft strip reaches the designated position of the first mold cavity. The top strip and the soft strip are injection molded and joined by an injection molding corner mold. The product after the injection molding corner is transported to the designated position by a finished product conveying and inspection packaging line (9).

2. The integrated production line for sealing strip injection molding corners according to claim 1 is characterized by: The lower mold mechanism (81) comprises a first lower mold assembly (8101) and a second lower mold movable plate (8102), wherein the second lower mold movable plate (8102) is arranged above the first lower mold assembly (8101), the two are connected in a lifting manner, and a lifting drive mechanism (8103) for lifting the second lower mold movable plate (8102) is arranged on the outer side of the first lower mold assembly (8101). A lower mold extension section (8111) is provided on the second lower mold movable plate (8102), a first sliding groove (8112) is provided on the lower mold extension section (8111), a sliding block (8113) is provided in the first sliding groove (8112), and the shape of the first sliding groove (8112) can be adjusted as required; The automatic top strip feeding device (83) comprises a strip insertion power mechanism (831) and a strip insertion sheet metal clamp (832). The strip insertion power mechanism (831) comprises a first strip insertion drive mechanism (8311), a drive joint (8312) and a power connection block (8313); the strip insertion sheet metal fixture (832) is arranged on the lower die extension section (8111); the strip insertion power mechanism (831) is arranged below the lower die extension section (8111); and the strip mounting sheet metal (6) is arranged above the strip insertion sheet metal fixture (832); The first insertion strip driving mechanism (8311) is connected to the lower mold extension section (8111) via a mounting seat, and the output end of the first insertion strip driving mechanism (8311) is connected to a power connection block (8313) via a driving joint (8312); the power connection block (8313) is arranged below the sliding block (8113) and is simultaneously connected to the insertion strip sheet metal fixture (832) via a power rotating column (8314).

3. The integrated production line for sealing strip injection molding corners according to claim 1 is characterized by: The injection molding corner mold further comprises a demoulding mechanism (85), wherein the demoulding mechanism (85) is arranged on the lower mold mechanism (81) and cooperates with the top strip automatic feeding device (83) and the soft strip automatic feeding device (84); The lower mold mechanism (81) is further provided with a mounting platform (811), the mounting platform (811) being arranged in an inclined shape, the mounting platform (811) being provided with a group of guide grooves (812), a group of first limit blocks (813) being provided on the outer sides of the guide grooves (812), a group of second limit blocks (814) being provided on the end of the mounting platform (811) away from the inserting strip power drive mechanism (842), and a tilting top block (815) being provided on one side of the mounting platform (811) of the lower mold mechanism (81); and a support block (816) being provided on one side of the first mold cavity of the lower mold mechanism (81); The lower mold mechanism (81) is provided with a plate mechanism (817) and a slider assembly (818) on both sides of the second mold cavity, and the second mold cavity is provided with a second slider (819) on the side opposite to the slider assembly (818).

4. The integrated production line for injection molding of sealing strip corners according to claim 3 is characterized by: The automatic soft strip feeding device (84) comprises a strip insertion power drive mechanism (842), which is arranged on the lower mold mechanism (81) and mounted on the lower end of the mounting platform (811); the output end of the strip insertion power drive mechanism (842) is connected to the strip insertion fixture (841); The insert power drive mechanism (842) comprises a sliding guide mounting plate (8421), a sliding groove is provided on the sliding guide mounting plate (8421), a power slider (8422) is provided in the sliding groove, and a group of limiting pressure blocks (8423) are provided on both sides of the sliding guide mounting plate (8421) located on the power slider (8422); The strip insert driving mechanism (8424) is connected to the lower mold mechanism (81) via a mounting seat, and its output end is connected to the power slider (8422) via a flange connection block (84241); the strip insert clamp (841) is arranged on the mounting platform (811) and connected to the power slider (8422).

5. The integrated production line for injection molding of sealing strip corners according to claim 4 is characterized by: The inserting strip clamp (841) comprises a clamp bottom plate (8411), a group of guide blocks (8412), an inserting plate assembly (8413), a slide block (8414) and a pressing block mechanism (8415); a lower mold cavity is provided on the clamp bottom plate (8411); a slide rail assembly (8416) is provided on one side of the lower mold cavity; the pressing block mechanism (8415) is connected to a slide plate in the slide rail assembly (8416); the guide block (8412) is provided below the clamp bottom plate (8411) and is slidably connected to the guide groove (812); The insert plate assembly (8413) and the slider (8414) are arranged on two sides of the lower mold cavity relative to each other, and the slider (8414) is slidably connected to the slide rail assembly (8416), and the pressing block mechanism (8415) is arranged on one side of the slider (8414); The plug plate assembly (8413) comprises an upper plug plate assembly (84131) and a lower plug plate assembly (84132); the upper plug plate assembly (84131) is arranged above the lower plug plate assembly (84132), and the upper plug plate assembly (84131) is hinged to the lower mold mechanism (81) through an adapter frame, and the lower plug plate assembly (84132) is slidably connected to the second lower mold movable plate (8102); the pressing block mechanism (8415) comprises a flip base (84151), a flip connection block (84152), a pressing block (84153), and a flip connection block (84154). The flip base (84151) is mounted on the lower mold mechanism (81), and one side of the flip base (84151) is connected to the slide rail assembly (8416) through a connecting block (841511). The flip connecting block (84152) is arranged on the flip base (84151), one end of which is provided with a roller (841521), and the other end is connected to the pressing block (84153). The roller (841521) is located above the inclined top block (815) and moves along the inclined top block (815).

6. The integrated production line for injection molding of sealing strip corners according to claim 5 is characterized by: The plug-in plate mechanism (817) is arranged on the lower mold mechanism (81) and is movably connected to the lower mold mechanism (81); the plug-in plate mechanism (817) comprises a lower plug-in plate module (8171), a middle plug-in plate module (8172) and an upper plug-in plate module (8173); the lower plug-in plate module (8171), the middle plug-in plate module (8172) and the upper plug-in plate module (8173) are arranged from bottom to top, and both sides are movably connected to the slide rails (104) on the lower mold mechanism (81) through sliding frames (8174); the shapes of the ends of the lower plug-in plate module (8171), the middle plug-in plate module (8172) and the upper plug-in plate module (8173) match the shape of the sealing strip; The upper plug board module (8173) includes a first upper plug board (81731), a second upper plug board (81732) and a third upper plug board (81733); the first upper plug board (81731), the second upper plug board (81732) and the third upper plug board (81733) are all U-shaped; the second upper plug board (81732) is arranged on the inner side of the first upper plug board (81731), and the third upper plug board (81733) is arranged on the inner side of the second upper plug board (81732).

7. The integrated production line for injection molding of sealing strip corners according to claim 6 is characterized by: The demoulding mechanism (85) comprises a first demoulding mechanism, a second demoulding mechanism and a third demoulding mechanism, wherein the first demoulding mechanism comprises a first demoulding power mechanism (851), wherein an output end of the first demoulding power mechanism (851) is provided with a first demoulding connecting rod (852), wherein the first demoulding connecting rod (852) is connected to the plug plate assembly (8413), the slider (8414) and the pressing block mechanism (8415), and is used to drive the plug plate assembly (8413) and the pressing block mechanism (8415) to flip up and the slider (8414) to move; the output end of the first demoulding power mechanism (851) is connected to the plug plate assembly (8413), the slider (8414) and the pressing block mechanism (8415), and is used to drive the plug plate assembly (8413) and the pressing block mechanism (8415) to flip up and the slider (8414) to move; The second demoulding mechanism comprises a second demoulding power mechanism (853), the output end of the second demoulding power mechanism (853) is provided with a second demoulding connecting rod (854), the second demoulding connecting rod (854) is connected to the plugging plate mechanism (817) and the lower plugging plate assembly (84132), and is used for moving the plugging plate mechanism (817) and the lower plugging plate assembly (84132); The third demoulding mechanism comprises a third demoulding power mechanism (855), and an output end of the third demoulding power mechanism (855) is provided with a third demoulding connecting rod (856) for driving a slider and a second slider (819) in a slider assembly (818) to move; an end of the first demoulding connecting rod (852) close to the first demoulding power mechanism (851) is provided with a first adapter block (8521), and an opening groove is provided on the first adapter block (8521); a connecting rod (84161) is provided on the slider in the slide rail assembly (8416), and the connecting rod (84161) is arranged in the opening groove; The end of the second demoulding connecting rod (854) is arranged on the second adapter block (8541), and the second adapter block (8541) is provided with a driving module (85411) for driving the plugging plate mechanism (817), and the driving part of the driving module (85411) is arranged in the corresponding grooves of the lower plugging plate module (8171) and the middle plugging plate module (8172) of the plugging plate mechanism (817); and the end of the second demoulding connecting rod (854) is provided with a through hole, and the through hole is provided with a third adapter block (85412), and the other end of the third adapter block (85412) is connected to a power rod hook (85413) for driving the plugging plate assembly (8413) to move, and the lower part of the plugging plate assembly (8413) is connected to the power rod hook (85413) through a connecting rod (84313); The middle insert plate module (8172) is provided with a group of fixing seats, and the fixing seats are provided with a group of positioning bolts (81721). When demoulding, the second demoulding connecting rod (854) drives the second transfer block (8541) to drive the driving part of the driving module (85411) to move forward. Since the second transfer block (8541) and the third transfer block (85412) are both connected to the second demoulding connecting rod (854), when the second demoulding connecting rod (854) drives the second transfer block (8541) to drive the driving part of the driving module (85411) to move, it will drive the insert plate mechanism (817) and the lower insert plate in the lower insert plate assembly (84132) to move away from the mold cavity along the power direction; The third demoulding connecting rod (856) comprises a third demoulding connecting rod main rod and a third demoulding connecting rod branch rod, the third demoulding connecting rod branch rod is arranged on one side of the third demoulding connecting rod main rod, and a connecting rod (8561) is arranged between the two, waist holes are respectively arranged at both ends of the connecting rod (8561), the third demoulding connecting rod main rod and the third demoulding connecting rod branch rod are connected to the corresponding waist holes through a connecting shaft, the slide plate in the slide block assembly (818) is connected to the corresponding connecting shaft, and the connecting shaft is arranged in the waist hole at one end of the connecting rod (8561), and the second slide block (819) is arranged at the end of the third demoulding connecting rod main rod; When working, the third demoulding power mechanism (855) drives the third demoulding connecting rod (856) to extend. During the extension of the third demoulding connecting rod (856), the second slider (819) is driven to move away from the mold cavity along the power direction. At the same time, the connecting shafts on the third demoulding connecting rod main rod and the third demoulding connecting rod branch rod move in the waist hole. During this process, the slide plate in the slider assembly (818) drives the slider assembly (818) to retreat, so that the mold cavity is in an open state.

8. The integrated production line for injection molding of sealing strip corners according to claim 2 is characterized by: The invention also comprises an auxiliary demoulding mechanism (86), wherein the auxiliary demoulding mechanism (86) comprises a third slider (861), a driving frame (862) and an auxiliary demoulding driving mechanism (863); a mounting plate (8114) is provided on one end of the second lower mold movable plate (8102) located at the lower mold extension section (8111); a second sliding groove (81141) is provided on the mounting plate (8114); the third slider (861) is provided above the mounting plate (8114) and on one side of the slider assembly (818); The auxiliary demoulding drive mechanism (863) comprises a first sliding plate (8631), an auxiliary drive frame (8632) and a demoulding drive cylinder (8633); the first sliding plate (8631) is arranged in the sliding groove of the second lower mold movable plate (8102); a group of slide rails are arranged on both sides of the sliding groove; the output end of the demoulding drive cylinder (8633) is connected to the first sliding plate (8631); one end of the auxiliary drive frame (8632) is connected to the first sliding plate (8631); the other end is provided with a through hole, and the through hole extends to the top of the second sliding groove (81141); the drive frame (862) is inserted into the through hole of the auxiliary drive frame (8632) and extends into the second sliding groove (81141); and the drive frame (862) is connected to the third sliding block (861).

9. The integrated production line for injection molding of sealing strip corners according to claim 2 is characterized by: The insert sheet metal fixture (832) comprises a first fixture bottom plate (8321), one side of the first fixture bottom plate (8321) is provided with at least one group of first positioning members (83211) and second positioning members (83212), the first positioning members (83211) are provided with positioning grooves, and the second positioning members (83212) are provided with a central cross positioning groove; It also includes a sheet metal fixing component (8322), the sheet metal fixing component (8322) including a sheet metal pressing block (83221) and a pressing block driving cylinder (83222), the pressing block driving cylinder (83222) is arranged on the first fixture bottom plate (8321), and its output end is connected to the sheet metal pressing block (83221); It also includes a sealing strip positioning assembly (8323), the sealing strip positioning assembly (8323) including a positioning drive cylinder (83231) and a toggle clamp positioning assembly (83232), the positioning drive cylinder (83231) is arranged on the first clamp bottom plate (8321), and the toggle clamp positioning assembly (83232) is connected to the output end of the positioning drive cylinder (83231).

10. An integrated production line for automatic cutting and injection molding of sealing strips, characterized in that: The invention comprises an integrated assembly line for injection molding corners of sealing strips as claimed in any one of claims 1 to 9, and further comprises a soft strip punching device (1), a soft strip punching device (2), a top strip punching device (3), a first transport line (401) for transporting the second soft strip, and a first injection molding press (7), wherein the soft strip punching device (1), the soft strip punching device (2), the top strip punching device (3), the first transport line (401) for transporting the soft strip, and the first injection molding press (7) are respectively arranged at corresponding processing stations, the soft strip punching device (1) is arranged on one side of the first transport line (401), and a soft strip and a soft strip clamping table (101) are arranged between the two, and the handling robot (5) cooperates with the transport line, the first transport line (401), the first injection molding press (7), the injection molding press (8), and the finished product transport and inspection packaging line (9).

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