An automatic assembly production line for enclosure packaging boxes

Abstract

The present invention discloses an automatic assembly production line for enclosure packaging boxes, comprising an enclosure feeder, an enclosure positioning machine, an enclosure preforming machine and an enclosure grabbing machine arranged in sequence, the enclosure preforming machine comprising a fixed bracket and a robot gripper and a forming suction cup assembly relatively arranged on both sides of the bracket, the unformed enclosure is fed to the enclosure positioning machine by the enclosure feeder for precise positioning, transferred to the bracket by the robot gripper and suitable for preforming under the joint action of the forming suction cup assembly, a bottom support conveyor is provided below the enclosure grabbing machine, a bottom support positioning machine is provided on the conveying plane of the bottom support conveyor, and is used to accurately position the conveyed bottom support, the preformed enclosure is completely formed by the enclosure grabbing machine and transferred to the positioned bottom support to complete assembly. The present invention can greatly improve the packaging production efficiency, reduce labor intensity, and reduce the number of operators, which has positive significance for the packaging industry.

Description

Technical Field

[0001] The invention relates to the technical field of packaging equipment, and in particular to an automatic assembly production line for enclosure packaging boxes. Background Art

[0002] Enclosure packaging boxes are widely used for material exports. They are composed of a packaging box and a bottom support and a top support at both ends. They are especially suitable for ton packages. When packaging, the enclosure and the bottom support need to be combined together first. Most of them are manually loaded, the unformed enclosure is opened and formed manually, and the formed enclosure is placed on the bottom support for assembly. Due to the large size of the enclosure, the hard cardboard and the heavy weight, it requires the collaboration of multiple people. Manual molding is labor-intensive and inefficient, and cannot meet the use of automatic packaging production lines. For this reason, it is necessary to develop an automatic assembly production line for enclosure packaging boxes to increase the assembly production speed of the enclosure and the bottom support, thereby greatly improving production efficiency, reducing labor intensity and reducing the number of operators. Summary of the invention

[0003] The purpose of the present invention is to propose an automatic assembly production line for enclosure packaging boxes in view of the shortcomings of the prior art, which can realize automatic forming of the enclosure and combination with the base, greatly improve production efficiency, reduce labor intensity, and reduce the number of operators, which has positive significance for the packaging industry.

[0004] The technical solution to achieve the purpose of the present invention is:

[0005] An automatic assembly production line for enclosure packaging boxes comprises an enclosure feeder, an enclosure positioning machine, an enclosure preforming machine and an enclosure grabber which are arranged in sequence. The enclosure preforming machine comprises a fixed bracket and a robot gripper and a forming suction cup assembly which are relatively arranged on both sides of the bracket. An unformed enclosure is fed to the enclosure positioning machine by the enclosure feeder for precise positioning, and is transferred to the bracket by the robot gripper and is suitable for preforming under the joint action of the forming suction cup assembly. A bottom support conveyor is arranged below the enclosure grabber, and a bottom support positioning machine is arranged on the conveying plane of the bottom support conveyor for precise positioning of the conveyed bottom support. The preformed enclosure is completely formed by the enclosure grabber and transferred to the positioned bottom support to complete assembly.

[0006] Furthermore, the feeder includes a feeder frame, a first translation assembly and a first lifting assembly. A loading station is provided at the bottom of the feeder frame, and a horizontally arranged plate picking gripper is provided above the loading station. The plate picking gripper is installed on the feeder frame through the first lifting assembly and the first translation assembly in sequence, and the horizontal motion trajectory extends to the enclosure positioning machine.

[0007] Furthermore, baffle bars are arranged in parallel at the lower part of the feeding frame, and a loading trolley is arranged between adjacent baffle bars to form a loading station, and a guide wheel adapted to the inner side of the baffle bar is arranged on the side of the loading trolley.

[0008] Furthermore, the enclosure positioning machine includes a fixed positioning frame, a positioning platform is provided on the top of the positioning frame inclined toward the bracket, a first baffle is provided on the lower side of the positioning platform, a second baffle is provided on the front side, and a positioning push plate is provided on the rear side which is parallel to the second baffle and has an adjustable spacing, and the first baffle, the second baffle and the positioning push plate form a limiting space adapted to the unformed enclosure.

[0009] Furthermore, a positioning cylinder is fixedly installed at the rear bottom of the positioning platform, and the piston rod end of the positioning cylinder is fixedly connected to the positioning push plate, thereby driving the positioning push plate to move forward and backward to achieve the adjustment of the distance with the second baffle.

[0010] Furthermore, the molding suction cup assembly includes a vertically arranged first frame, on which a plurality of first vacuum suction cups are distributed to form a first suction plane, and the robot gripper includes a fixedly arranged robot, the free end of which is connected to a second frame, on which a plurality of second vacuum suction cups are distributed to form a second suction plane with a variable angle, and when the second suction plane fits with the unformed cover on the positioning table, the unformed cover is sucked and turned over to the back to fit with the first suction plane, and the robot pulls the second suction plane away from the first suction plane so that the cover naturally opens for pre-forming.

[0011] Furthermore, the enclosure grabbing machine includes an enclosure grabbing frame, a second translation assembly, a second lifting assembly and a forming grabbing mechanism. The forming grabbing mechanism is located directly above the base positioning machine and is installed on the enclosure grabbing frame through the second lifting assembly and the second translation assembly in sequence, and the horizontal motion trajectory extends to the bracket.

[0012] Furthermore, the forming and grabbing mechanism includes a fixed base plate, an intermediate plate coaxially and parallelly arranged above the base plate, and a plurality of groups of support plate assemblies evenly arranged along the circumference of the base plate, each group of support plate assemblies is provided with a suction plate assembly for adsorbing the enclosure, the intermediate plate is movably arranged along the axial direction of the base plate, the support plate assembly is radially slidably mounted on the base plate and is hinged to the intermediate plate with a rocker arm, the rocker arm is suitable for driving the support plate assembly at the other end to approach or move away from the center of the intermediate plate when the intermediate plate at one end moves axially, so as to open the preformed enclosure.

[0013] Furthermore, a linear guide rail assembly corresponding to the support plate assembly is provided at the bottom of the base plate, and the support plate assembly includes a slide seat fixedly connected to the guide rail of the corresponding linear guide rail assembly, the slider of the linear guide rail assembly is fixedly connected to the base plate, the slide seat is hinged to the lower end of the rocker arm, and a support frame is fixedly connected to the bottom, and a support plate is fixedly mounted on the support frame, and the plurality of support plates form a support surface that matches the inner side of the enclosure.

[0014] Furthermore, the support plate assembly is provided with four groups for forming an octagonal enclosure, the support frame is T-shaped, the support plates are symmetrically fixed on both sides of the support frame, and form a support surface with the outer side surface of the support frame that is compatible with the corner of the octagonal enclosure.

[0015] Furthermore, two sets of linear guide rail assemblies are arranged in parallel at the connection between each support plate assembly and the bottom of the base plate, which improves the load capacity and helps to maintain better parallelism and straightness, avoiding uneven sliding force that may cause excessive local wear in some cases, thereby extending the service life.

[0016] Furthermore, a through hole is provided on the support plate, and the suction plate assembly includes a suction plate cylinder fixedly mounted on the rear side of the support plate, and the piston rod end of the suction plate cylinder is vertically fixedly connected with a connecting plate and a third vacuum suction cup in sequence, and the third vacuum suction cup is opposite to the through hole and is suitable for being translated to the other side of the through hole under the drive of the suction plate cylinder.

[0017] Furthermore, the base support positioning machine includes a plurality of base support positioning components corresponding to the corners of the base support, the base support positioning components include a fixed positioning bracket, a base support cylinder is fixedly mounted on the top of the positioning bracket, a piston rod of the base support cylinder is horizontally arranged toward the base support and is fixedly connected to a base support positioning plate.

[0018] By adopting the above technical solution, the present invention has the following beneficial effects:

[0019] (1) The present invention adopts a cover feeder, a cover positioning machine, a cover preforming machine and a cover grabbing machine to replace manual feeding, forming and assembly, so as to realize automatic assembly production of cover packaging boxes. Compared with the existing method, it can greatly improve production efficiency, reduce labor intensity and the number of operators, which has positive significance for the packaging industry.

[0020] (2) The present invention drives the plate-taking gripper to perform lifting and translational movements through the first lifting assembly and the first translation assembly, thereby realizing material transfer of the unformed plate-shaped enclosure, with a simple structure and smooth movement.

[0021] (3) The loading station of the present invention is provided with a movable loading trolley, which can directly transfer the stacked plate-shaped enclosures to the loading station, simplifying the loading process. At the same time, guide wheels are arranged on the side of the loading trolley, which can avoid the noise generated by direct collision between the loading trolley and the gear bar and reduce contact friction, so that the trolley can enter the loading station more smoothly.

[0022] (4) The enclosure positioning machine of the present invention uses an inclined positioning platform to enable the plate-like enclosure placed thereon to slide down naturally under the action of gravity and be restricted by the first baffle on the lower side to form a first limit. Then, by adjusting the distance between the positioning push plate and the second baffle, the plate-like enclosure is restricted by the second baffle arranged perpendicular to the first baffle, thereby completing precise positioning.

[0023] (5) The present invention ingeniously utilizes the robot gripper to realize the transfer of the plate-shaped enclosure and, through cooperation with the forming suction cup assembly, realizes the natural parallel staggered opening during the transfer process to complete the preforming. The overall structure is small and compact, occupies less space, simplifies the process, and improves the preforming efficiency.

[0024] (6) The enclosure grabbing machine of the present invention drives the forming grabbing mechanism to perform lifting and translational movements through the second lifting assembly and the second translation assembly, thereby realizing the material transfer of the preformed enclosure, with a simple structure and smooth movement.

[0025] (7) The present invention drives the rocker arm to move by means of a liftable middle plate, thereby driving the support plate assemblies radially mounted on the bottom plate to move closer to and away from each other, thereby completely opening and shaping the enclosure, and adsorbing the inner side of the enclosure through the suction plate assembly to achieve automatic grasping and transfer, thereby improving packaging efficiency.

[0026] (8) The present invention connects the support plate assembly and the base plate through a linear guide rail assembly to achieve a sliding connection between the support plate assembly and the base plate. The structure is simple and the sliding connection is reliable. The support plate assembly is supported by a support frame, which facilitates the installation of the support plate, thereby better opening and shaping the enclosure.

[0027] (9) The present invention sets the suction plate assembly on the support plate. When the enclosure is completely formed, the suction plate cylinder drives the third vacuum suction cup to contact the inner side surface of the enclosure to achieve vacuum adsorption, thereby automatically grabbing after forming, further improving packaging efficiency.

[0028] (10) The base support positioning machine of the present invention drives multiple base support positioning plates to move closer to and away from each other through multiple base support cylinders, so that the base support is clamped in the interval when the base support is transported to achieve positioning, which facilitates the accurate placement of the enclosure thereon to complete the assembly. BRIEF DESCRIPTION OF THE DRAWINGS

[0029] In order to make the content of the present invention more clearly understood, the present invention is further described in detail below based on specific embodiments and in conjunction with the accompanying drawings, wherein:

[0030] Figure 1 It is a structural schematic diagram of the present invention;

[0031] Figure 2 It is a structural schematic diagram of the bottom bracket positioning machine of the present invention;

[0032] Figure 3 for Figure 1 A local enlarged view of point A in FIG.

[0033] Figure 4 It is a structural schematic diagram of the forming and grabbing mechanism of the present invention;

[0034] Figure 5 It is a schematic structural diagram of the forming and grabbing mechanism of the present invention from another angle;

[0035] Figure 6 for Figure 5 A partial enlarged view of point B in FIG.

[0036] The reference numerals in the accompanying drawings are:

[0037] Feeder 1, feeder frame 1-1, first translation assembly 1-2, translation trolley 1-2-1, translation guide rail 1-2-2, rack 1-2-3, first lifting assembly 1-3, baffle 1-4, loading trolley 1-5, guide wheel 1-5-1, plate grabber 1-6, enclosure positioning machine 2, positioning frame 2-1, positioning table 2-2, first baffle 2-3, second baffle 2-4, positioning push plate 2-5, positioning cylinder 2-6, enclosure preforming machine 3, bracket 3-1, robot gripper 3-2, robot 3-2-1, second frame 3-2-2, forming suction cup assembly 3-3, first frame 3-3-1, enclosure grabber 4, grabber frame 4-1, the second translation assembly 4-2, the second lifting assembly 4-3, the forming grasping mechanism 4-4, the top plate assembly 4-4-1, the bottom plate 4-4-3, the middle plate 4-4-2, the reinforcing rod 4-4-4, the top support cylinder 4-4-5, the guide rod assembly 4-4-6, the linear guide rail assembly 4-4-7, the rocker arm 4-4-8, the slide seat 4-4-9, the support frame 4-4-10, the support plate 4-4-11, the suction plate cylinder 4-4-12, the connecting plate 4-4-13, the vacuum nozzle 4-4-14, the bottom support conveyor 5, the bottom support positioning machine 6, the positioning bracket 6-1, the bottom support cylinder 6-2, the bottom support positioning plate 6-3, and the bending part 6-3-1. DETAILED DESCRIPTION

[0038] In order to better understand the above technical solution, the above technical solution will be described in detail below in conjunction with the accompanying drawings and specific implementation methods.

[0039] (Example 1)

[0040] like Figures 1 to 6 The automatic assembly production line of the enclosure packaging box shown comprises an enclosure feeder 1, an enclosure positioning machine 2, an enclosure preforming machine 3 and an enclosure grabber 4 arranged in sequence, wherein the enclosure preforming machine 3 comprises a fixed bracket 3-1 and a robot gripper 3-2 and a forming suction cup assembly 3-3 arranged on both sides of the bracket. The unformed enclosure is fed to the enclosure positioning machine 2 by the enclosure feeder 1 for precise positioning, and is transferred to the bracket 3-1 by the robot gripper 3-2 and preformed under the joint action of the forming suction cup assembly 3-3. A bottom support conveyor 5 is provided below the enclosure grabber 4, and a bottom support positioning machine 6 is provided on the conveying plane of the bottom support conveyor 5 for precise positioning of the conveyed bottom support. The preformed enclosure is completely formed by the enclosure grabber 4 and transferred to the positioned bottom support to complete the assembly. The overall structure completely replaces manual loading, forming and assembly, and realizes the automatic assembly production of enclosure packaging boxes. Compared with the existing method, it can greatly improve production efficiency, reduce labor intensity, and reduce the number of operators, which has positive significance for the packaging industry.

[0041] Specifically, taking the octagonal enclosure packaging box which is widely used in the market as an example, the enclosure of the octagonal enclosure packaging box has eight sides, and correspondingly, the base is also provided with eight sides, including four long side sides and four short side sides respectively connected to the adjacent long side sides. The four short side sides of the base form four corners, therefore, the base positioning machine 6 of the present embodiment includes four base positioning components corresponding to the corners of the base, each base positioning component includes a positioning bracket 6-1, a base cylinder 6-2 and a base positioning plate 6-3, the positioning bracket 6-1 is fixedly arranged and distributed on both sides of the base conveyor 5, the base positioning plate 6-3 is fixedly mounted on the top of the positioning bracket 6-1, the piston rod is horizontally arranged toward the base and is fixedly connected to the base positioning plate 6-3, so as to realize driving multiple base positioning plates to approach and move away from each other, and then clamp the base when the base is transported to the interval, realize positioning, facilitate the accurate placement of the enclosure thereon, and complete the combination. In order to better adapt to the octagonal base, the adjacent ends of the two base positioning plates on the same side of the base conveyor 5 in this embodiment are provided with bending parts 6-3-1 corresponding to the long side surfaces of the base, so that the eight side surfaces are squeezed and positioned.

[0042] The feeder 1 includes a feeder frame 1-1, a first translation assembly 1-2 and a first lifting assembly 1-3. The lower part of the feeder frame 1-1 is provided with a baffle bar 1-4 in parallel, and a loading trolley 1-5 is provided between adjacent baffle bars, so as to form a loading station at the bottom of the feeder frame 1-1. The stacked plate-shaped enclosures can be directly transferred to the loading station by a movable loading trolley, simplifying the loading process. In order to adapt to enclosure sheet materials of more sizes, the present embodiment forms two loading positions with different spacings through three baffle bars 1-4, and is equipped with two loading trolleys of different sizes. When the material of one loading position is exhausted, the other loading position can be used even if the material is not loaded, so that the material can be replenished without stopping the machine and improving efficiency. The side of each loading trolley 1-5 is provided with a guide wheel 1-5-1 adapted to the inner side of the baffle bar 1-4, which can not only avoid the noise generated by the direct collision between the loading trolley and the baffle bar, but also reduce the contact friction, so that the trolley can enter the loading position more smoothly.

[0043] A horizontally arranged plate grabber 1-6 is provided above the loading station, and the first translation assembly 1-2 includes a translation trolley 1-2-1 and a pair of translation guide rails 1-2-2 horizontally fixed on the feeding frame 1-1, and a rack 1-2-3 is provided in parallel between the two translation guide rails 1-2-2. A driving motor is fixed on the translation trolley 1-2-1, and a gear meshing with the rack 1-2-3 is fixed at the output end of the driving motor, so as to realize the horizontal movement of the translation trolley 1-2-1. The first lifting assembly 1-3 is fixed on the translation trolley 1-2-1, and has a similar structure to the first translation assembly 1-2, except that the lifting movement is realized by belt drive instead of gear drive. The plate picking gripper 1-6 is fixedly mounted on the movable end of the first lifting assembly 1-3, thereby realizing horizontal and lifting movements, and sucking the enclosure sheet by vacuum adsorption, and the translation guide rail 1-2-2 and the rack 1-2-3 extend to the enclosure positioning machine 2, so that the plate picking gripper 1-6 can transfer the adsorbed enclosure sheet to the enclosure positioning machine 2.

[0044] The enclosure positioning machine 2 includes a fixed positioning frame 2-1, a positioning platform 2-2 is provided on the top of the positioning frame 2-1 and is inclined toward the bracket 3-1, a first baffle 2-3 is provided on the lower side of the positioning platform 2-2, a second baffle 2-4 is provided on the front side, a positioning push plate 2-5 parallel to the second baffle 2-4 is provided on the rear side, and a positioning cylinder 2-6 is fixedly installed on the bottom, and the piston rod end of the positioning cylinder 2-6 is fixedly connected to the positioning push plate 2-5, thereby driving the positioning push plate to move forward and backward to adjust the distance with the second baffle 2-4. A limiting space adapted to the enclosure sheet is formed by the first baffle 2-3, the second baffle 2-4 and the positioning push plate 2-5. When the plate-like enclosure is placed on the positioning platform 2-2, it slides down naturally under the action of gravity and is restricted by the first baffle on the lower side to form a first limit. The spacing between the positioning push plate 2-5 and the second baffle 2-4 is then adjusted by the positioning cylinder 2-6, so that the plate-like enclosure is restricted by the second baffle arranged perpendicular to the first baffle, thereby completing precise positioning.

[0045] The forming suction cup assembly 3-3 includes a vertically arranged first frame 3-3-1, on which a plurality of first vacuum suction cups are distributed to form a first suction plane. The robot gripper 3-2 includes a fixedly arranged robot 3-2-1, the free end of which is connected to a second frame 3-2-2, on which a plurality of second vacuum suction cups 3-3-3 are distributed to form a second suction plane with a variable angle. When the second suction plane fits with the unformed enclosure on the positioning platform 2-2, the unformed enclosure is sucked, and the unformed enclosure is flipped to the back side to fit with the first suction plane under the action of the robot 3-2-1, and then the second suction plane is pulled parallel and displaced away from the first suction plane by the robot 3-2-1, so that the distance between the two suction planes is the same as the distance between the two corresponding side surfaces of the enclosure, so that the enclosure is naturally opened for pre-forming.

[0046] The enclosure grabbing machine 4 includes an enclosure grabbing frame 4-1, a second translation assembly 4-2, a second lifting assembly 4-3 and a forming grabbing mechanism 4-4. The structures of the second translation assembly 4-2 and the second lifting assembly 4-3 are similar to those of the first translation assembly 1-2 and the first lifting assembly 1-3, respectively, and are not described in detail here. The forming grabbing mechanism 4-4 is located directly above the bottom bracket positioning machine 6 and is installed on the enclosure grabbing frame 4-1 through the second lifting assembly 4-3 and the second translation assembly 4-2 in sequence, and the horizontal motion track extends to the bracket 3-1, so as to realize the transfer of the formed enclosure to the positioned bottom bracket.

[0047] Specifically, the forming and grabbing mechanism 4-4 includes a top plate assembly 4-4-1, an intermediate plate 4-4-2 and a bottom plate 4-4-3 which are coaxially and parallelly arranged from top to bottom. The top plate assembly 4-4-1 is fixedly connected to the output end of the second lifting assembly 4-3, and a reinforcing rod 4-4-4 is vertically fixedly connected to the bottom plate 4-4-3 around the top plate assembly 4-4-1 to achieve a fixed connection with the bottom plate 4-4-3. A top support cylinder 4-4-5 is fixedly installed at the center of the top plate assembly 4-4-1, and the piston rod of the top support cylinder 4-4-5 is vertically arranged downward and connected to the intermediate plate 4-4-2. Through the telescopic movement of the top support cylinder 4-4-5, the intermediate plate 4-4-2 is driven to achieve axial movement along the bottom plate 4-4-3. In order to improve the stability of axial movement, this embodiment vertically connects multiple guide rod assemblies 4-4-6 between the middle plate 4-4-2 and the top plate assembly, thereby providing guidance for the axial movement of the middle plate 4-4-2, ensuring that it moves in a straight line, avoiding deviation or rotation, and improving the movement accuracy of the entire system. At the same time, it can support the weight of the middle plate as a moving component, help to disperse the load, and reduce the pressure on other components. In order to further reduce the load, this embodiment evenly opens multiple weight-reducing holes on the middle plate 4-4-2, thereby reducing the weight of the middle plate 4-4-2, reducing the load, and extending the service life of the top support cylinder 4-4-5.

[0048] Four groups of support plate assemblies are evenly arranged along the circumference at the bottom of the bottom plate 4-4-3. A linear guide assembly 4-4-7 arranged along the radial direction of the bottom plate is connected between each group of support plate assemblies and the bottom plate 4-4-3. The slider of the linear guide assembly 4-4-7 is fixedly connected to the bottom plate 4-4-3, and the guide rail is fixedly connected to the support plate assembly, thereby realizing the radial sliding connection between the support plate assembly and the bottom plate 4-4-3. Two groups of linear guide assemblies 4-4-7 are arranged in parallel at the bottom connection of each group of support plate assemblies and the bottom plate 4-4-3, which helps to maintain better parallelism and straightness while improving the load capacity, avoiding the uneven force of the support plate assembly sliding that may be caused in some cases, thereby causing the local wear of the guide rail too fast, and extending the service life. A swing rod 4-4-8 is hinged between each group of support plate assemblies and the outer peripheral surface of the intermediate plate 4-4-2, and the swing rod is driven to swing through the axial movement of the intermediate plate 4-4-2, thereby pushing the support plate assembly close to or away from the center of the intermediate plate, and realizing the opening and forming of the octagonal enclosure.

[0049] The support plate assembly includes a slide 4-4-9 fixedly connected between two corresponding guide rails, the slide 4-4-9 is hinged with the lower end of the swing rod 4-4-8, and a T-shaped support frame 4-4-10 is fixedly connected at the bottom. Support plates 4-4-11 are symmetrically fixedly installed on both sides of the support frame 4-4-10, and each support plate is provided with a suction plate assembly for adsorbing the octagonal enclosure. The outer side surfaces of the support plate 4-4-11 and the support frame 4-4-10 form a support surface that matches the corner of the octagonal enclosure, so as to better open and shape the octagonal enclosure. In order to reduce the weight of the support plate assembly, the support frame of this embodiment adopts an aluminum alloy profile, which is not only light in weight, but also has overall structural strength and better support. In addition, a plurality of reinforcing plates are arranged in parallel on the rear side of the support plate 4-4-11 to improve the structural strength of the support plate 4-4-11 and avoid the support plate 4-4-11 from being compressed and deformed during the process of opening the octagonal enclosure, thereby affecting the molding effect of the octagonal enclosure.

[0050] A through hole is provided on the support plate 4-4-11, and the plate suction assembly includes a plate suction cylinder 4-4-12 fixedly mounted on the rear side of the support plate 4-4-11, and the piston rod end of the plate suction cylinder 4-4-12 is vertically fixedly connected with a connecting plate 4-4-13 and a vacuum suction nozzle 4-4-14 in sequence, and the vacuum suction nozzle 4-4-14 is opposite to the through hole, and is driven by the plate suction cylinder 4-4-12 to translate to the other side of the through hole, and contacts with the inner side surface of the octagonal cover to realize vacuum adsorption, thereby completing automatic grasping, and is installed on an existing manipulator for easy transfer, with a simple overall structure and high grasping efficiency.

[0051] In this embodiment, the plate-like enclosure is transported in stacks by a loading trolley, and the formed bottom bracket is transported by a bottom bracket conveyor. The plate-like enclosure is transferred to the positioning table for positioning by a plate-taking gripper, and the conveyed bottom bracket is accurately positioned by a bottom bracket positioning machine. The robot gripper is cleverly used to realize the transfer of the plate-like enclosure, and at the same time, through cooperation with the forming suction cup assembly, the plate-like enclosure is naturally opened in parallel and dislocated during the transfer process to complete the preforming. The overall structure is small and compact, occupies less space, simplifies the process, and improves the preforming efficiency. Subsequently, the preformed enclosure is fully opened by the forming gripping mechanism. At this time, the forming suction cup assembly and the robot gripper break the vacuum, and the opened enclosure naturally falls on the bracket below, so that the bracket is used as a positioning to ensure that each enclosure transferred to the subsequent process is of the same height, ensuring the accurate positioning of the enclosure. Finally, the suction cup assembly of the forming grabbing mechanism works to absorb the inner side of the enclosure and simultaneously transfer it to the base to complete the assembly. Compared with the existing method, it can greatly improve production efficiency, increase production speed to 40-60s / pcs, reduce labor intensity and reduce the number of operators, which has positive significance for the packaging industry.

[0052] The specific embodiments described above further illustrate the objectives, technical solutions and beneficial effects of the present invention in detail. It should be understood that the above description is only a specific embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. An automatic assembly production line for enclosure packaging boxes, characterized in that: It includes a cover feeder, a cover positioning machine, a cover preforming machine and a cover grabber which are arranged in sequence. The cover preforming machine includes a fixed bracket and a robot gripper and a forming suction cup assembly which are relatively arranged on both sides of the bracket. The unformed cover is fed to the cover positioning machine through the cover feeder for precise positioning, and is transferred to the bracket by the robot gripper and is suitable for preforming under the joint action of the forming suction cup assembly. A bottom support conveyor is provided below the cover grabber, and a bottom support positioning machine is provided on the conveying plane of the bottom support conveyor for precise positioning of the conveyed bottom support. The preformed cover is completely formed by the cover grabber and transferred to the positioned bottom support to complete assembly.

2. The automatic assembly production line of enclosure packaging box according to claim 1, characterized in that: The feeder includes a feeder frame, a first translation assembly and a first lifting assembly. A loading station is provided at the bottom of the feeder frame, and a horizontally arranged plate grabber is provided above the loading station. The plate grabber is installed on the feeder frame through the first lifting assembly and the first translation assembly in sequence, and the horizontal motion trajectory extends to the enclosure positioning machine.

3. The automatic assembly production line of enclosure packaging box according to claim 2, characterized in that: Baffle bars are arranged in parallel at the lower part of the feeding frame, and a loading trolley is arranged between adjacent baffle bars to form a loading station. The side of the loading trolley is provided with a guide wheel matched with the inner side of the baffle bar.

4. The automatic assembly production line of enclosure packaging box according to claim 1, characterized in that: The enclosure positioning machine includes a fixed positioning frame, a positioning platform is provided on the top of the positioning frame inclined toward the bracket, a first baffle is provided on the lower side of the positioning platform, a second baffle is provided on the front side, and a positioning push plate is provided on the rear side which is parallel to the second baffle and has an adjustable spacing, the first baffle, the second baffle and the positioning push plate form a limiting space adapted to the unformed enclosure.

5. The automatic assembly production line of enclosure packaging box according to claim 4, characterized in that: The forming suction cup assembly includes a vertically arranged first frame, on which a plurality of first vacuum suction cups are distributed to form a first suction plane, and the robot gripper includes a fixedly arranged robot, the free end of which is connected to a second frame, on which a plurality of second vacuum suction cups are distributed to form a second suction plane with a variable angle, and when the second suction plane fits with the unformed cover on the positioning table, the unformed cover is sucked and turned over to the back to fit with the first suction plane, and the robot pulls the second suction plane away from the first suction plane so that the cover naturally opens for pre-forming.

6. The automatic assembly production line of enclosure packaging box according to claim 1, characterized in that: The enclosure grabbing machine includes an enclosure grabbing frame, a second translation assembly, a second lifting assembly and a forming grabbing mechanism. The forming grabbing mechanism is located directly above the base positioning machine and is installed on the enclosure grabbing frame through the second lifting assembly and the second translation assembly in sequence, and the horizontal motion trajectory extends to the bracket.

7. The automatic assembly production line of enclosure packaging box according to claim 6, characterized in that: The forming and grabbing mechanism includes a fixed base plate, an intermediate plate coaxially and parallelly arranged above the base plate, and a plurality of groups of support plate assemblies uniformly arranged along the circumference of the base plate, each group of support plate assemblies is provided with a suction plate assembly for adsorbing the enclosure, the intermediate plate is movably arranged along the axial direction of the base plate, the support plate assembly is radially slidably mounted on the base plate and is hingedly connected to the intermediate plate with a rocker arm, the rocker arm is suitable for driving the support plate assembly at the other end to approach or move away from the center of the intermediate plate when the intermediate plate at one end moves axially, so as to open the preformed enclosure.

8. The automatic assembly production line of enclosure packaging box according to claim 7, characterized in that: A linear guide assembly corresponding to the support plate assembly is provided at the bottom of the base plate, and the support plate assembly includes a slide seat fixedly connected to the guide rail of the corresponding linear guide assembly, the slider of the linear guide assembly is fixedly connected to the base plate, the slide seat is hinged to the lower end of the rocker arm, and a support frame is fixedly connected to the bottom, and a support plate is fixedly mounted on the support frame, and a plurality of support plates form a support surface adapted to the inner side of the enclosure.

9. The automatic assembly production line for enclosure packaging boxes according to claim 8, characterized in that: A through hole is provided on the support plate, and the suction plate assembly includes a suction plate cylinder fixedly mounted on the rear side of the support plate, and the piston rod end of the suction plate cylinder is vertically fixedly connected with a connecting plate and a third vacuum suction cup in sequence, and the third vacuum suction cup is opposite to the through hole and is suitable for being translated to the other side of the through hole under the drive of the suction plate cylinder.

10. The automatic assembly production line of enclosure packaging box according to claim 1, characterized in that: The base support positioning machine includes a plurality of base support positioning components corresponding to the corners of the base support, and the base support positioning components include a fixed positioning bracket, a base support cylinder is fixedly installed on the top of the positioning bracket, and the piston rod of the base support cylinder is horizontally arranged toward the base support and fixedly connected to the base support positioning plate.

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