Welding device for rubber strip

Abstract

The utility model relates to the technical field of mechanical tools, and discloses a welding device for a rubber strip. The welding device comprises a machine frame, an upper template, an upper module, a lower module, a driving mechanism and a controller, the upper template is arranged on the machine frame, the modules are provided with heating wires and profiling grooves, the upper module comprises a left upper module and a right upper module and is arranged on the upper template, and the lower module comprises a left lower module and a right lower module and is arranged on the machine frame. And the upper template, the right upper module and the right lower module are connected with a driving mechanism. According to the welding device, the rubber strip is placed in the first profiling groove of the lower module, the upper module is downwards assembled with the lower module, then the welding film is attached to the right side end face of the rubber strip, and then the right upper module and the right lower module slide to enable the welding film to be attached to the left side end face of the rubber strip. The electric heating wire is electrified for heating, so that the welding film is in a molten state, the two ends of the rubber strip are adhered and welded together, the use is convenient, and the production efficiency is improved.

Description

TECHNICAL FIELD

[0001] The utility model embodiment relates to mechanical tooling technical field, concretely relates to a kind of welding devices for rubber strip. BACKGROUND

[0002] Automobile is a kind of commonly used traffic tool, has entered ordinary people's family.

[0003] Various rubber sealing strips (rubber strips) are installed on automobile to realize the buffering of component or the function such as sealing of automobile.Rubber strip finished product is continuous single rubber strip, and is processed on production line.Rubber strip after processing is cut to appropriate length size according to needs, for subsequent use.

[0004] Rubber sealing strip for automobile door hole, trunk and the like needs to be welded together by melting rubber strip both ends face through adhesive film after cutting.

[0005] The present application finds that the current rubber strip welding is not convenient, and the production efficiency is low. UTILITY MODEL CONTENT

[0006] The utility model aims at providing a kind of welding devices for rubber strip, and the welding of rubber strip is facilitated to solve the problems in the above background art.

[0007] The utility model embodiment provides a kind of welding devices for rubber strip, including: rack, upper template, upper module, lower module, drive mechanism and controller;

[0008] The upper template can be slidably arranged on the slide rail of the rack;

[0009] The upper module and the lower module are each provided with a heating wire, and the heating wire is electrically connected with an external power supply;

[0010] The upper module is provided with a first profiling groove, and the lower module is provided with a second profiling groove, the second profiling groove is used to place rubber strip, and when the upper module and the lower module are closed, the first profiling groove and the second profiling groove are spliced into a profiling hole adapted to rubber strip, for fixing rubber strip;

[0011] The upper module includes: left upper module and right upper module, and the left upper module and the right upper module are respectively arranged on the upper template;

[0012] The lower module includes: left lower module and right lower module, and the left lower module and the right lower module are respectively arranged on the rack, and the left lower module and the right lower module correspond to the left upper module and the right upper module respectively;

[0013] The driving mechanism is electrically connected with the controller, and comprises a first driving mechanism, a second driving mechanism and a third driving mechanism;

[0014] The first driving mechanism and the third driving mechanism are arranged on the rack and connected with the upper die plate and the right lower die block respectively, and the second driving mechanism is arranged on the upper die plate and connected with the right upper die block;

[0015] The heating wire is used for melting the welding film when being electrified, so that the two ends of the rubber strip are adhered and welded.

[0016] Based on the above scheme, the welding device for the rubber strip of the utility model, through setting up the rack, the upper die plate, the upper die block, the lower die block, the driving mechanism and the controller, the upper die plate is arranged on the rack, the upper die block and the lower die block are both provided with the heating wire, the upper die block and the lower die block are respectively provided with the first profiling groove and the second profiling groove, the left upper die block and the right upper die block of the upper die block are arranged on the upper die plate, the left lower die block and the right lower die block of the lower die block are arranged on the rack, and the upper die plate, the right upper die block and the right lower die block are connected with the driving mechanism respectively. The welding device for the rubber strip of the utility model is controlled by the PLC controller, the operator places the two ends of the rubber strip in the second profiling groove of the left lower die block and the right lower die block respectively, the left upper die block and the right upper die block are moved downward to be combined with the left lower die block and the right lower die block respectively, so that the rubber strip is fixed, then the operator attaches the welding film on the side (right side) end face of the rubber strip, and the right upper die block and the right lower die block are slid to the left, so that the welding film is attached to the other side (left side) end face of the rubber strip. The electric heating wire is electrified and heated, the welding film is heated to a molten state, a preset time is kept, the two end faces of the rubber strip are adhered and welded together, it is convenient to use, and the production efficiency is improved.

[0017] In a feasible scheme, the blowing mechanism further comprises a gas gun and an electromagnetic valve.

[0018] The blowing mechanism comprises a gas gun and an electromagnetic valve.

[0019] The gas gun is connected with an external high-pressure gas source through a connecting gas pipe, the electromagnetic valve is arranged on the connecting gas pipe and is electrically connected with the controller, and the gas gun is used for penetrating the hollow part of the rubber strip.

[0020] In a feasible scheme, the blowing mechanism further comprises a pressure sensor.

[0021] The pressure sensor is arranged on the connecting gas pipe and is electrically connected with the controller.

[0022] In a feasible scheme, the blowing mechanism further comprises a buzzer.

[0023] The buzzer is arranged on the rack and is electrically connected with the controller.

[0024] In an implementation, the device further comprises a limiting mechanism.

[0025] The limiting mechanism comprises a baffle and a limiting cylinder.

[0026] The limiting cylinder is arranged on the frame and electrically connected to the controller.

[0027] The baffle is connected to the limiting cylinder, and the limiting cylinder is used to drive the baffle to rise and fall, and the baffle is used to limit the position of the rubber strip on the lower mold when the baffle rises.

[0028] In an implementation, the driving mechanism is a telescopic cylinder.

[0029] In an implementation, the upper left mold, the upper right mold, the lower left mold and the lower right mold are each provided with two profiling grooves.

[0030] In an implementation, the device further comprises a protective cover.

[0031] The protective cover is rotatably arranged on the frame.

[0032] In an implementation, both sides of the frame are provided with a hanging rod for hanging the rubber strip. BRIEF DESCRIPTION OF DRAWINGS

[0033] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the following will briefly introduce the drawings needed to be used in the embodiments or the prior art description. Obviously, the drawings in the following description are some embodiments of the present application, and for those skilled in the art, other drawings can also be obtained without creative labor on the basis of these drawings.

[0034] Figure 1 It is a schematic view of the device for welding rubber strips in the embodiments of the present application.

[0035] Figure 2 It is a partial enlarged view of the device for welding rubber strips in the embodiments of the present application. Figure 1

[0036] Figure 3 It is a schematic view of the upper mold and the lower mold in the closed state in the embodiments of the present application.

[0037] Figure 4 It is a schematic view of the full closed mold state in the embodiments of the present application.

[0038] Figure 5 It is a schematic view of the device for welding rubber strips in the embodiments of the present application. ​

[0039] Figure 6 Figure 1 is a schematic view of the limiting mechanism in the embodiment of the utility model.

[0040] Figure mark:

[0041] 1, rack; 101, start button; 11, protective cover; 12, hanging rod; 2, upper mold plate; 3, upper module; 31, left upper module; 32, right upper module; 4, lower module; 401, second profiling groove; 41, left lower module; 42, right lower module; 5, blowing mechanism; 51, air gun; 52, electromagnetic valve; 53, connecting air pipe; 54, pressure sensor; 6, limiting mechanism; 61, limiting cylinder; 62, baffle; 7, telescopic cylinder. DETAILED DESCRIPTION

[0042] In order to make the purpose, technical scheme and advantages of the embodiment of the utility model more clear, the technical scheme in the embodiment of the utility model will be described clearly and completely below in combination with the drawings in the embodiment of the utility model. Obviously, the described embodiment is a part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without creative labor belong to the scope of protection of the utility model.

[0043] In the description of the utility model, it is understood that the orientation or position relationship indicated by the terms "center", "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "axial", "radial", "circumferential" is based on the orientation or position relationship shown in the drawings, and is only for the convenience of describing the utility model and simplifying the description, and therefore cannot be understood as a limitation on the utility model.

[0044] In the utility model, unless otherwise explicitly specified and limited, the terms "mounting", "connection", "connection", "fixing" and the like should be understood broadly, for example, it can be fixed connection, can also be detachable connection, can also be integrated; it can be mechanical connection, can also be electrical connection, can also be communication connection; it can be direct connection, can also be indirect connection through intermediate medium, it can be the communication or interaction relationship between two elements, unless otherwise explicitly limited. For the person skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0045] The technical scheme of the utility model will be explained in detail below with specific examples. The following specific examples can be combined with each other, and the same or similar concepts or processes can not be described in some examples.

[0046] As described in the background of the application, the rubber sealing strip used in the automobile door hole, trunk and the like needs to be first welded by melting the end faces of the rubber strip through the melting film after being cut, and then installed and used.

[0047] The inventors of the application find that the melting of the rubber strip is inconvenient and the production efficiency is low.

[0048] To solve the above problems, the inventors of the application propose the technical scheme of the application, and the specific implementation is as follows:

[0049] Figure 1 The utility model discloses a schematic view of the melting device for the rubber strip in the embodiment of the utility model, Figure 2 The utility model discloses a schematic view of the melting device for the rubber strip in the embodiment of the utility model, Figure 1 The utility model discloses a partial enlarged view of the melting device for the rubber strip in the embodiment of the utility model, Figure 3 The utility model discloses a schematic view of the upper module and the lower module in the closed state in the embodiment of the utility model, Figure 4 The utility model discloses a schematic view of the melting device for the rubber strip in the embodiment of the utility model, Figure 5 The utility model discloses a schematic view of the melting device for the rubber strip in the embodiment of the utility model, Figure 6 The utility model discloses a schematic view of the melting device for the rubber strip in the embodiment of the utility model,

[0050] As shown in Figures 1 to 6 The melting device for the rubber strip in the embodiment of the utility model comprises a rack 1, an upper die plate 2, an upper module 3, a lower module 4, a driving mechanism and a controller.

[0051] The side wall and the table top of the rack 1 are both provided with sliding rails (not shown in the drawing).

[0052] The upper die plate 2 is slidably arranged on the sliding rails of the side wall of the rack 1 through sliding blocks.

[0053] The inside of the upper module 3 and the lower module 4 is both provided with heating wires (not shown in the drawing), and the heating wires are electrically connected with an external power supply and the controller.

[0054] The bottom surface of the upper module 3 is provided with a first profiling groove (not shown in the drawing), and the top surface of the lower module 4 is provided with a second profiling groove 401, and the first profiling groove and the second profiling groove are both arranged along the transverse direction. When the upper module 3 and the lower module 4 are closed, the first profiling groove of the upper module 3 and the second profiling groove 401 of the lower module 4 are spliced into a profiling hole, and the shape of the profiling hole is adapted to the cross-sectional shape of the rubber strip, so that the rubber strip is fixed in the profiling hole between the upper module 3 and the lower module 4.

[0055] The upper die plate 2 is provided with a slide rail.

[0056] The upper die plate 2 is provided with a slide rail.

[0057] The left lower module 41 is fixedly arranged on the table top of the rack 1, and the right lower module 42 is arranged on the slide rail of the table top of the rack 1 in a left-right slidable manner.

[0058] The left lower module 41 is fixedly arranged on the table top of the rack 1, and the right lower module 42 is arranged on the slide rail of the table top of the rack 1 in a left-right slidable manner.

[0059] The driving mechanism is electrically connected with the controller, and comprises a first driving mechanism, a second driving mechanism and a third driving mechanism.

[0060] The first driving mechanism is arranged on the rack 1 and fixedly connected with the upper die plate 2, and is used to drive the upper die plate 2 to slide up and down, so that the upper die 3 is close to and / or away from the lower die 4.

[0061] The third driving mechanism is arranged on the rack 1 and fixedly connected with the right lower module 42, and is used to drive the right lower module 42 to slide left and right, so that the right lower module 42 is close to and / or away from the left lower module 41.

[0062] The second driving mechanism is arranged on the upper die plate 2 and fixedly connected with the right upper module 32, and is used to drive the right upper module 32 to slide left and right, so that the right upper module 32 is close to and / or away from the left upper module 31.

[0063] The rack 1 is provided with a start button 101, and the start button 101 is electrically connected with the controller.

[0064] The melting point temperature of the fusion film is lower than the melting point temperature of the rubber strip, and the heating wire is used to heat each module when powered on, so that the fusion film is melted, so that the two end faces of the rubber strip are bonded and fused together.

[0065] In use of the fusion device, an operator inserts one end of the rubber strip into the left end of the second profiling groove of the left lower module until the right side end face of the left lower module, and inserts the other end of the rubber strip into the right end of the second profiling groove of the right lower module until the left side end face of the right lower module.

[0066] Press the start button, the first driving mechanism drives the upper die plate to slide downward, so that the left upper module and the right upper module are respectively molded and fitted on the left lower module and the right lower module, and the rubber strip is fixed Figure 3The operator attaches the welding film on one side (right side) end face of the rubber strip, and then the second driving mechanism and the third driving mechanism drive the right upper module and the right lower module to slide leftward simultaneously, so that the welding film is attached to the other side (left side) end face of the rubber strip (as shown in the state). Figure 4 The controller controls the heating of the heating wire to heat the welding film to a molten state, and keeps it for a preset time, so that the two end faces of the rubber strip are adhered and welded together.

[0067] As can be seen from the above, the welding device for the rubber strip of the present embodiment is provided with a rack, an upper template, an upper module, a lower module, a driving mechanism and a controller. The upper template is arranged on the rack. The upper module and the lower module are each provided with a heating wire. The upper module is provided with a first profiling groove and a second profiling groove. The left upper module and the right upper module of the upper module are arranged on the upper template. The left lower module and the right lower module of the lower module are arranged on the rack. The upper template, the right upper module and the right lower module are connected with the driving mechanism. The welding device for the rubber strip of the present embodiment is controlled by the PLC controller. The operator places the two ends of the rubber strip in the second profiling grooves of the left lower module and the right lower module respectively. The left upper module and the right upper module move downward to close with the left lower module and the right lower module to fix the rubber strip. Then the operator attaches the welding film on one side (right side) end face of the rubber strip. The right upper module and the right lower module slide leftward to make the welding film attached to the other side (left side) end face of the rubber strip. The heating wire is heated to heat the welding film to a molten state, and keeps it for a preset time, so that the two end faces of the rubber strip are adhered and welded together. The device is easy to use and improves the production efficiency.

[0068] Optionally, the welding device for the rubber strip of the present embodiment further comprises a blowing mechanism 5.

[0069] The blowing mechanism 5 comprises an air gun 51 and a solenoid valve 52.

[0070] The air gun 51 is connected with an external high-pressure gas source through a connecting gas pipe 53. The solenoid valve 52 is arranged on the connecting gas pipe 53 and is electrically connected with the controller. The air gun 51 is used to make the hollow part of the rubber strip through.

[0071] After the two end faces of the rubber strip are welded by the welding film, the hollow part at the end face of the rubber strip may be blocked by the welding film. In the present embodiment, a blowing hole is arranged on one side of the rubber strip close to the end face. The blowing hole is in communication with the hollow part of the rubber strip. After the rubber strip is welded, the controller controls the solenoid valve to open. The operator inserts the air gun into the blowing hole of the rubber strip to make the hollow part at the connection of the welded rubber strip through by blowing with the air gun.

[0072] Further, the blowing mechanism 5 of the welding device for the rubber strip of the present embodiment further comprises a pressure sensor 54.

[0073] The pressure sensor 54 is arranged on the connecting air pipe 53 and electrically connected with the controller. The pressure sensor 54 detects the pressure difference before and after the hollow part of the rubber strip is penetrated during the blowing process, and sends a signal to the controller, so as to determine whether the hollow part of the rubber strip is penetrated.

[0074] Further, the welding device for the rubber strip in the embodiment further comprises a buzzer.

[0075] The buzzer (not shown in the figure) is arranged at a suitable position of the rack 1 and electrically connected with the controller.

[0076] In the embodiment, when the set conditions and rules are met, the welding of the rubber strip on the welding device is completed, the controller issues an instruction, the buzzer sounds to remind the operator to blow air, and the electromagnetic valve is opened; after the hollow part of the rubber strip is penetrated by the air gun, the controller reminds the operator to stop blowing air again through the buzzer (different frequency).

[0077] Optionally, as shown in Figure 6 The welding device for the rubber strip in the embodiment further comprises a limiting mechanism 6.

[0078] The limiting mechanism 6 is provided with two limiting mechanisms 6, and each of the two limiting mechanisms 6 comprises a limiting cylinder 61 and a baffle 62.

[0079] The limiting cylinder 61 is arranged on the rack 1 and electrically connected with the controller.

[0080] The baffle 62 is connected with the telescopic rod of the limiting cylinder 61.

[0081] In the embodiment, the telescopic rod of the limiting cylinder drives the baffle to move up and down, and when the telescopic rod of the limiting cylinder is extended, the two baffles respectively abut against the right end surface of the left lower module and the left end surface of the right lower module. When the rubber strip is inserted into the second profiling groove of the left lower module and the right lower module, the rubber strip is blocked by the baffles after abutting against the baffles, so that the rubber strip is limited on the left lower module and the right lower module.

[0082] Optionally, in the embodiment, the driving mechanism of the welding device for the rubber strip is a telescopic cylinder 7, that is, the first driving mechanism, the second driving mechanism and the third driving mechanism are all telescopic cylinders, and the movable rods of the telescopic cylinders respectively drive the upper die plate, the left upper module and the left lower module to move.

[0083] Optionally, the welding device for rubber strips in the embodiment is provided with two first profiling grooves on the left upper module 31 and the right upper module 32, and is also provided with two second profiling grooves 401 on the left lower module 41 and the right lower module 42. The two profiling grooves on each module are arranged in parallel in the transverse direction, and two rubber strips can be placed at the same time, so that the two rubber strips can be welded at the same time, thereby improving the production efficiency.

[0084] Optionally, the welding device for rubber strips in the embodiment further comprises a protective cover 11.

[0085] The protective cover 11 is rotatably arranged on the rack 1. After the rubber strips are placed, the operator turns over the protective cover 11, the protective cover 11 shields the working parts such as the modules, and then starts the start button 101, so as to ensure the safe operation of the device.

[0086] Further, the welding device for rubber strips in the embodiment is provided with hanging rods 12 on the left and right sides of the rack 1, and the rubber strips to be welded and the rubber strips after welding can be hung on the hanging rods 12 on the left and right sides of the rack 1, so that the device is more convenient to use.

[0087] The working process of the welding device for rubber strips in the embodiment is as follows:

[0088] The operator places the two ends of the rubber strip in the profiling grooves of the left lower module and the right lower module respectively, and then the end surface of the rubber strip is abutted against the baffle, and then the baffle is lowered.

[0089] The start button is pressed, the upper template is slid downward, the left upper module and the right upper module are respectively closed and fitted on the left lower module and the right lower module, so that the rubber strip is fixed, the operator attaches the welding film to the right end surface of the rubber strip, and then the right upper module and the right lower module are slid to the left, so that the welding film is abutted against the left end surface of the rubber strip. The electric heating wire is powered on to heat, the welding film is heated to a molten state, a preset time is kept, and the two ends of the rubber strip are bonded and welded together.

[0090] The buzzer sounds to remind the operator to blow air, and the electromagnetic valve is opened at the same time. After the air gun blows air through the hollow part of the rubber strip to complete the penetration, the controller reminds the operator to stop blowing air through the buzzer sound (different frequency) again, the welding of the rubber strip is completed, the modules are separated, and the rubber strip is taken out.

[0091] In the utility model, unless otherwise clearly defined and limited, the first feature is "on" or "under" the second feature, which can be direct contact between the first feature and the second feature, or indirect contact between the first feature and the second feature through an intermediate medium.

[0092] Also, a first feature being "on", "above", and "over" a second feature can mean that the first feature is directly on, above, or over the second feature or that the first feature is merely positioned horizontally higher than the second feature. A first feature being "under", "below", and "underneath" a second feature can mean that the first feature is directly under, below, or underneath the second feature or that the first feature is merely positioned horizontally lower than the second feature.

[0093] In the description of the present specification, the description of the terms "one embodiment", "some embodiments", "an example", "a specific example", or "some examples" and the like means that the specific features, structures, materials or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the present application. In the present specification, the illustrative description of the above terms does not necessarily refer to the same embodiment or example. Also, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner. In addition, a person skilled in the art can combine and combine the different embodiments or examples described in the present specification and the features of the different embodiments or examples without contradiction.

[0094] Finally, it should be noted that: the above embodiments are only used to illustrate the technical solutions of the present application, and not to limit them; although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand: it can still modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacement to part or all of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the scope of the technical solutions of the embodiments of the present application.

Claims

1. A device for welding rubber strips, characterized in that, The utility model relates to a rubber strip welding machine, including: Frame, upper die plate, upper die block, lower die block, drive mechanism and controller; The upper die plate can be slidably arranged on the slide rail of the frame; The upper die block and the lower die block are both provided with heating wires, and the heating wires are electrically connected with an external power supply; The upper die block is provided with a first profiling groove, and the lower die block is provided with a second profiling groove, the second profiling groove is used for placing a rubber strip, and when the upper die block and the lower die block are closed, the first profiling groove and the second profiling groove are spliced into a profiling hole matched with the rubber strip, so as to fix the rubber strip; The upper die block includes a left upper die block and a right upper die block, and the left upper die block and the right upper die block are arranged on the upper die plate respectively; The lower die block includes a left lower die block and a right lower die block, and the left lower die block and the right lower die block are arranged on the frame respectively, and the left lower die block and the right lower die block correspond to the left upper die block and the right upper die block respectively; The drive mechanism is electrically connected with the controller and includes a first drive mechanism, a second drive mechanism and a third drive mechanism; The first drive mechanism and the third drive mechanism are arranged on the frame and connected with the upper die plate and the right lower die block respectively, and the second drive mechanism is arranged on the upper die plate and connected with the right upper die block; The heating wires are used for melting the welding film when powered on, so that the two ends of the rubber strip are adhered and welded.

2. The apparatus for welding a rubber strip according to claim 1, characterized in that, Further including: Air blowing mechanism; The air blowing mechanism includes an air gun and a solenoid valve; The air gun is connected with an external high-pressure gas source through a connecting air pipe, and the solenoid valve is arranged on the connecting air pipe and electrically connected with the controller, and the air gun is used for penetrating the hollow part of the rubber strip.

3. The apparatus for welding a rubber strip according to claim 2, wherein The air blowing mechanism further includes a pressure sensor; The pressure sensor is arranged on the connecting air pipe and electrically connected with the controller.

4. The apparatus for welding a rubber strip according to claim 3, wherein The air blowing mechanism further includes a buzzer; The buzzer is arranged on the frame and electrically connected with the controller.

5. The apparatus for welding a rubber strip according to claim 1, wherein Further including: Limiting mechanism; The limiting mechanism includes a baffle and a limiting air cylinder; The limiting air cylinder is arranged on the frame and electrically connected with the controller; The baffle is connected with the limiting air cylinder, the limiting air cylinder is used for driving the baffle to rise and fall, and the baffle is used for limiting the position of the rubber strip on the lower die block when rising.

6. The apparatus for welding a rubber strip according to claim 1, wherein The drive mechanism is a telescopic air cylinder.

7. The apparatus for welding a rubber strip according to claim 1, wherein The left upper die block, the right upper die block, the left lower die block and the right lower die block are all provided with two profiling grooves.

8. The apparatus for welding of a rubber strip according to claim 1, characterized in that, Further including: Protective cover; The protective cover is rotatably arranged on the frame.

9. The apparatus for welding a rubber strip according to any one of claims 1 to 8, characterized in that, Both sides of the frame are provided with hanging rods for hanging rubber strips.

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