Encasement production line for injection molding products

Abstract

The boxing production line is characterized in that the boxing production line comprises a base and a boxing production line body, the boxing production line body comprises an empty material box conveying line, a full material box conveying line, a lifting mechanism and a mechanical arm, and the lifting mechanism is arranged at the rear end of the base and moves between an outlet of the empty material box conveying line and an inlet of the full material box conveying line in a lifting mode; a two-way conveying line is arranged on the lifting mechanism, a limiting mechanism is arranged on the rear side of the two-way conveying line, and a clamping mechanism used for being matched with the limiting mechanism to jointly position an empty material box is arranged at the position, located at the rear end of the empty material box conveying line, of the base; the automatic boxing machine has the advantages that the whole boxing process is automatic, manual participation is reduced from conveying of empty material boxes to placing of injection molding products to transferring of full material boxes, the production efficiency is remarkably improved, the empty material box conveying line and the full material box conveying line are arranged in a layered mode, space is effectively utilized, the occupied area is reduced, and the limiting mechanism and the clamping mechanism are used cooperatively, so that the production efficiency is improved. And stable positioning of the empty material box in the boxing process is ensured, and errors are reduced.

Description

Technical Field

[0001] The utility model relates to a box packing production line, in particular to a box packing production line for injection molded products. Background Art

[0002] The injection molded products obtained by the automatic production of the injection molding machine generally need to be stacked or boxed first to obtain a whole box of products, and then these whole boxes of products are palletized. The products are palletized on plastic or wooden pallets for easy forklift transportation. During this process, the operator needs to wait for a long time around the injection molding machine to handle the injection molded products produced. Therefore, there are great safety hazards. In addition, not only the stacking or boxing process, but also most of the palletizing process relies on manual operation, which has the problems of high labor intensity, high labor cost and low work efficiency. Summary of the invention

[0003] The technical problem to be solved by the utility model is to provide a packaging production line for injection molded products, which not only reduces labor costs but also improves work efficiency.

[0004] The technical solution adopted by the utility model to solve the above-mentioned technical problems is: a packing production line for injection molded products, including a base and a packing production line, the packing production line including an empty material box conveyor line located on the upper layer of the base, a full material box conveyor line located on the lower layer of the base, a lifting mechanism and a manipulator, the lifting mechanism is arranged on the rear side of the base and moves up and down between the outlet of the empty material box conveyor line and the inlet of the full material box conveyor line, a bidirectional conveyor line is arranged on the lifting mechanism, the empty material box conveyor line is used to transport a single empty material box to the bidirectional conveyor line in sequence, a limiting mechanism is arranged on the rear side of the bidirectional conveyor line, a clamping mechanism for cooperating with the limiting mechanism to jointly position the empty material box is arranged on the base at the rear end of the empty material box conveyor line, and the manipulator is used to grab the injection molded products and put them into the designated position of the empty material box located on the bidirectional conveyor line.

[0005] Compared with the prior art, the advantage of the utility model is that the empty material box conveyor line transports single empty material boxes to the bidirectional conveyor line in turn, the empty material box is positioned and fixed by the limit mechanism and the clamping mechanism, the robot grabs the injection molded product and puts it into the designated position in the empty material box on the bidirectional conveyor line, and when the empty material box is filled with injection molded products, a full material box is obtained. At this time, the lifting mechanism drives the bidirectional conveyor line to move downward to the entrance of the full material box conveyor line, and then the full material box is transported to the full material box conveyor line by the bidirectional conveyor line and moved to the designated unloading position. The entire packing process is completed by automated equipment, from the transportation of empty material boxes to the placement of injection molded products, and then to the transfer of full material boxes, which reduces manual participation and significantly improves production efficiency. The empty material box conveyor line and the full material box conveyor line are arranged in layers, which effectively utilizes space and reduces floor space. The coordinated use of the limit mechanism and the clamping mechanism ensures the stable positioning of the empty material box during the packing process and reduces errors.

[0006] Furthermore, the lifting mechanism includes a vertical displacement drive motor and a moving frame, the vertical displacement drive motor is fixedly arranged on the rear side of the base, the vertical displacement drive motor is used to drive the moving frame to move up and down, and a group of first slide rail slider assemblies are arranged between the two sides of the moving frame and the rear side of the base.

[0007] Furthermore, the limiting mechanism includes a limiting frame, a limiting cylinder and a limiting block, the limiting frame is fixedly arranged at the rear end of one side of the moving frame, the limiting cylinder is horizontally fixedly arranged on the limiting frame, the limiting block is fixedly arranged at the driving end of the limiting cylinder, the clamping mechanism includes a clamping frame, a clamping cylinder and a clamping block, the clamping frame is fixedly arranged on the base at the rear end of the empty material box conveying line, the clamping cylinder is horizontally fixedly arranged on the clamping frame and inclined to the inner side of the bidirectional conveying line, the clamping block is fixedly arranged at the driving end of the clamping cylinder, and the clamping block is provided with a clamping groove for clamping and fixing a top corner of the empty material box. Through the automated limiting and clamping mechanism, manual operation is reduced, labor cost and error rate are reduced, and production efficiency is improved. Through the cooperation of the limiting mechanism and the clamping mechanism, the precise positioning and fixing of the empty material box can be achieved, ensuring the stability and safety of the injection molded product during the packing process.

[0008] Furthermore, it also includes a material box destacking mechanism relatively arranged on both sides of the empty material box conveyor line, the material box destacking mechanism includes a first fixed plate, a lifting frame, a second fixed plate, a primary cylinder, a secondary cylinder, a destacking cylinder and an L-shaped plate, the first fixed plate is vertically fixedly arranged on the side of the base, the second fixed plate is horizontally fixedly arranged on the outer bottom of the first fixed plate, the primary cylinder is fixedly arranged upward on the second fixed plate, the top of the lifting frame is fixedly provided with a top plate, the secondary cylinder is fixedly arranged downward on the bottom of the top plate, the driving end of the primary cylinder is fixedly connected to the driving end of the secondary cylinder through a coupling, and the first fixed plate is fixedly arranged on the bottom of the second fixed plate. At least four fixed guide blocks are fixedly provided on the outer side of the fixed plate and are distributed in two rows symmetrically front and back, and a sliding rail that slides with the fixed guide blocks is fixedly provided on the inner side of the lifting frame, and the destacking cylinder is horizontally fixedly provided on the top of the top plate, and the driving end of the destacking cylinder is vertically fixedly connected to the middle of the vertical part of the L-shaped plate, and a destacking guide rod is fixedly provided on both sides of the vertical part of the L-shaped plate, respectively, and first linear bearings are symmetrically fixedly provided on the top plate on both sides of the destacking cylinder, and the outer end of the destacking guide rod slides through the first linear bearing, and the horizontal part of the L-shaped plate forms a plurality of lifting forks that cooperate with the gap at the bottom of the empty material box. The depalletizing mechanism for material boxes reduces the need for manual depalletizing, improves production efficiency and operating speed, and utilizes the design of fixed guide blocks and sliding rails to ensure the stability and precise movement of the lifting frame. The lifting forks formed by the horizontal part of the L-shaped plate can adapt to empty material boxes of different sizes, increasing the applicability of the equipment. The design of the depalletizing cylinder and L-shaped plate enables stable clamping and handling of empty material boxes, reducing safety hazards during operation.

[0009] Furthermore, it also includes a repositioning mechanism, the repositioning mechanism includes a fixing frame, a connecting plate and at least one group of positioning components, the fixing frame is fixedly arranged on one side of the lifting mechanism, the connecting plate is detachably arranged on the fixing frame, the positioning component includes a first positioning plate and a second positioning plate, the first positioning plate and the second positioning plate are fixedly arranged on the connecting plate at a preset angle, the top of the first positioning plate is recessed downward and provided with a first arc groove, and the top of the second positioning plate is recessed downward and provided with a second arc groove. After the injection molded product grasped by the manipulator is repositioned, the grasping position is changed, so that the injection molded product is more convenient to stack neatly during the packing process, the detachable setting of the connecting plate allows for quick replacement or adjustment to adapt to injection molded products of different sizes or shapes, increasing the versatility and adaptability of the equipment, the first positioning plate and the second positioning plate are fixedly arranged at a preset angle, and the arc groove design is matched to ensure the stability and alignment accuracy of the injection molded product during the repositioning process, the fixed setting of the fixing frame and the quick disassembly and assembly characteristics of the connecting plate simplify the operation process of the repositioning mechanism and improve work efficiency.

[0010] Furthermore, a waste recovery mechanism is provided on the rear side of the base, and the waste recovery mechanism includes a blanking plate, a first waste conveying line and a second waste conveying line. The blanking plate is fixedly arranged at a downward tilt at the rear end of the top of the base, the first waste conveying line is fixedly arranged on the rear side of the base and is located directly below the outlet of the blanking plate, the second waste conveying line is fixedly arranged at the rear of the first waste conveying line, and a waste pushing mechanism is provided at the rear of the second waste conveying line, and the waste pushing mechanism is used to push the waste turnover box located on the second waste conveying line to the first waste conveying line. When the injection molded product grabbed by the robot is a defective product, the robot places the defective product at the waste recycling mechanism. When the waste turnover box on the first waste conveyor line is filled with defective products and moved to the designated position through the first waste conveyor line, the waste pushing mechanism pushes the waste turnover box on the second waste conveyor line forward to the first waste conveyor line, reducing the need for manual sorting and handling, thereby improving the overall production efficiency; through the fixed tilt setting of the unloading plate, the defective products can be effectively guided to enter the waste recycling process smoothly, reducing manual intervention and improving the degree of automation; the setting of the first waste conveyor line and the second waste conveyor line realizes the orderly transportation and classification of defective products, ensuring that the waste turnover box can be pushed to the designated position in time after being filled, avoiding the accumulation and confusion of defective products; the waste pushing mechanism reduces the need for manual handling and reduces labor intensity by automatically pushing the waste turnover box, while improving the speed and accuracy of defective product processing, thereby optimizing the waste recycling process and improving production efficiency and the safety of defective product processing.

[0011] Furthermore, it also includes a palletizing production line, which includes a frame, a pallet conveyor line, a lifting and depalletizing mechanism and an industrial robot, the pallet conveyor line is arranged on the frame, the lifting and depalletizing mechanism is arranged at a depalletizing station located at the entrance of the pallet conveyor line and is used to separate a single pallet from the stacked pallet, the pallet conveyor line is provided with a pallet diverting station, the pallet conveyor line is used to transport the single pallets to the pallet diverting station in sequence, the pallet conveyor line is vertically connected to a first conveyor line on one side of the front end of the pallet diverting station, the pallet conveyor line is vertically connected to a second conveyor line on one side of the rear end of the pallet diverting station, the pallet conveyor line is provided with a first lifting intercepting rod for movably intercepting the pallet on the front end of the pallet diverting station, the pallet conveyor line A first pushing device is provided on the other side of the conveying line located at the front end of the pallet diverting station, the first pushing device is used to push the pallet onto the first conveyor line, the first conveyor line is used to move the pallet to a designated first loading position, an interception frame for intercepting the pallet is fixedly provided on the pallet conveyor line at the rear end of the pallet diverting station, a second pushing device is provided on the other side of the pallet conveyor line located at the rear end of the pallet diverting station, the second pushing device is used to push the pallet onto the second conveyor line, the second conveyor line is used to move the pallet to a designated second loading position, the industrial robot is used to grab the full box at the exit of the full box conveyor line, and stack it on the pallet located at the first loading position or the second loading position. When the first lifting intercepting rod is raised to block the pallet, the first pushing device pushes the pallet to the first conveyor line. When the intercepting frame blocks the pallet, the second pushing device pushes the pallet to the second conveyor line. When the pallet at the first loading position or the second loading position is filled with material boxes, a full pallet is obtained, and then the full pallet is moved to the designated handling position by the first conveyor line or the second conveyor line. The design of the pallet diversion station allows pallets to be allocated to different conveyor lines as needed, which increases the adaptability and flexibility of the production line, reduces waiting time, and improves work efficiency. At the same time, it reduces the direct participation of manpower in the production line, reduces the possibility of work-related accidents, and improves the safety of the working environment.

[0012] Furthermore, the lifting and depalletizing mechanism comprises two groups of positioning and inserting rod assemblies, a pallet lifting mechanism and a second lifting and intercepting rod, the two groups of positioning and inserting rod assemblies are arranged oppositely on both sides of the depalletizing station, the pallet lifting mechanism is arranged on the rack located at the depalletizing station and at the bottom of the pallet conveying line, the second lifting and intercepting rod is arranged on the rack and at the rear end of the depalletizing station, and the second lifting and intercepting rod is used to movably intercept the stacking pallet;

[0013] The positioning plunger assembly comprises a mounting frame, a horizontal displacement driving cylinder and a limit plate, wherein the mounting frame is fixedly arranged on the frame and is located at a side of the pallet conveyor line, the horizontal displacement driving cylinder is fixedly arranged inwardly on the mounting frame, the middle part of the limit plate is fixedly connected to the driving end of the horizontal displacement driving cylinder, a plunger is fixedly arranged on both sides of the limit plate, the inner end of the plunger passes through the limit plate and is used to be inserted into the bottom gap of the pallet for positioning inwardly, and second linear bearings corresponding to the positions of the plunger are fixedly arranged on both sides of the mounting frame, and the outer end of the plunger passes through the second linear bearing outwardly;

[0014] The pallet lifting mechanism includes a cylinder frame fixedly connected to the frame and two jacking devices fixedly arranged on the front and rear sides of the cylinder frame respectively. The jacking device includes a jacking support rod and two jacking cylinders distributed on the left and right. The jacking cylinder is fixedly upwardly arranged on the cylinder frame, and the bottom of the jacking support rod is fixedly connected to the driving end of the jacking cylinder. The driving end of the jacking cylinder is used to drive the jacking support rod to rise upward from the roller gap of the pallet conveyor line. The second lifting interception rod rises to block the stacking pallet, and then the lifting support rod rises upward from the roller gap of the pallet conveyor line to lift the stacking pallet. Then the horizontal displacement drive cylinder drives the limit plate to move inward, so that the insertion rod is inserted inward into the gap between the last layer of pallets and the last two layers of pallets. The automated lifting and depalletizing mechanism reduces the need for manual depalletizing, improves work efficiency, and reduces labor intensity. The use of positioning insertion rod assemblies ensures the stability and alignment accuracy of the pallet during the splitting process, and reduces the risk of pallet damage. The setting of the horizontal displacement drive cylinder allows precise control of the limit plate to accommodate pallets of different sizes, thereby improving the adaptability of the system. The compact design of the pallet lifting mechanism reduces the demand for space while ensuring the stability and reliability of the lifting action.

[0015] Furthermore, the first pushing device and the second pushing device have the same structure, the first pushing device includes a linear motor, a push rod seat and a push rod, the linear motor is horizontally fixed on the frame, the linear motor is used to drive the push rod seat to move left and right, a set of second slide rail slider assemblies are arranged between the bottom sides of the push rod seat and the frame, the top of the push rod seat passes upward through the roller gap of the pallet conveyor line and forms at least three vertical connection blocks, and the bottom of the push rod is fixedly connected to the top of the vertical connection block. The precise control ability of the linear motor ensures the stable and accurate movement of the push rod seat, ensuring that the pallet is pushed to the correct position. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a schematic diagram of the overall structure of the box packing production line in the utility model;

[0017] Figure 2 This is a partial structural diagram of the box packing production line in the utility model. Figure 1 ;

[0018] Figure 3 This is a partial structural diagram of the box packing production line in the utility model. Figure 2 ;

[0019] Figure 4 This is a structural schematic diagram of the destacking mechanism of the middle material box of the utility model;

[0020] Figure 5 It is a structural schematic diagram of the repositioning mechanism in the utility model;

[0021] Figure 6 This is a schematic diagram of the overall structure of the palletizing production line in the utility model;

[0022] Figure 7 It is a structural schematic diagram of the positioning rod assembly in the utility model;

[0023] Figure 8 It is a structural schematic diagram of the tray lifting mechanism in the utility model;

[0024] Fig. 9 It is a schematic diagram of the structure of the first pushing device and the second pushing device in the utility model.

[0025] Description of reference numerals:

[0026] 1. Base; 11. Fixed frame; 12. Connecting plate; 13. First positioning plate; 131. First arc groove; 14. Second positioning plate; 141. Second arc groove; 15. Unloading plate; 16. Waste pushing mechanism; 21. Vertical displacement drive motor; 22. Moving box; 23. First slide rail slider assembly; 31. Limiting frame; 32. Limiting cylinder; 33. Limiting block; 41. Clamping frame; 42. Clamping cylinder; 43. Clamping block; 431. Clamping groove; 51. First fixed plate; 511. Fixed guide block; 52. Lifting frame; 521. Top plate; 522. Sliding rail; 53. Second fixed plate; 54. First-stage cylinder; 541. Coupling; 55. Second-stage cylinder; 56. Destacking cylinder; 57. L-shaped plate; 571. Lifting Fork; 58, destacking guide rod; 59, first linear bearing; 61, mounting frame; 62, horizontal displacement drive cylinder; 63, limit plate; 64, insertion rod; 65, second linear bearing; 71, cylinder frame; 72, lifting support rod; 73, lifting cylinder; 74, second lifting intercepting rod; 81, linear motor; 82, push rod seat; 83, push rod; 84, second slide rail slider assembly; 85, vertical connecting block; 9, frame; 91, first lifting intercepting rod; 92, intercepting frame; A, empty material box conveyor line; B, full material box conveyor line; C, two-way conveyor line; D1, first waste conveyor line; D2, second waste conveyor line; E, pallet conveyor line; F, industrial robot; G, pallet diversion station; H1, first conveyor line; H2, second conveyor line. DETAILED DESCRIPTION

[0027] The present invention will be described in further detail below in conjunction with the accompanying drawings.

[0028] like Figures 1 to 3As shown, a packing production line for injection molded products includes a base 1 and a packing production line. The packing production line includes an empty material box conveyor line A located on the upper layer of the base 1, a full material box conveyor line B located on the lower layer of the base 1, a lifting mechanism and a manipulator (not shown in the figure). The lifting mechanism is arranged at the rear side of the base 1 and moves up and down between the outlet of the empty material box conveyor line A and the inlet of the full material box conveyor line B. The lifting mechanism includes a vertical displacement drive motor 21 and a moving frame 22. The vertical displacement drive motor 21 is fixedly arranged at the rear side of the base 1. The vertical displacement drive motor 21 is used to drive the moving frame 22 to move up and down. The linear displacement drive motor 21 is a screw motor, and a nut connection block that cooperates with each other is movably provided on the screw rod of the screw motor. The moving frame 22 is fixedly connected to the nut connection block. A group of first slide rail slider assemblies 23 are provided between the two sides of the moving frame 22 and the rear side of the base 1. A bidirectional conveyor line C is provided on the lifting mechanism. The empty material box conveyor line A is used to sequentially transport a single empty material box to the bidirectional conveyor line C. A limiting mechanism is provided on the rear side of the bidirectional conveyor line C. The limiting mechanism includes a limiting frame 31, a limiting cylinder 32 and a limiting block 33. The limiting frame 31 is fixedly provided at the rear end of one side of the moving frame 22. The limit cylinder 32 is fixedly arranged horizontally on the limit frame 31, and the limit block 33 is fixedly arranged at the driving end of the limit cylinder 32. A clamping mechanism for cooperating with the limit mechanism to jointly position the empty material box is arranged on the base 1 at the rear end of the empty material box conveyor line A. The clamping mechanism includes a clamping frame 41, a clamping cylinder 42 and a clamping block 43. The clamping frame 41 is fixedly arranged on the base 1 at the rear end of the empty material box conveyor line A. The clamping cylinder 42 is fixedly arranged horizontally on the clamping frame 41 and tilted toward the inner side of the bidirectional conveyor line C. The clamping block 43 is fixedly arranged at the driving end of the clamping cylinder 42. The clamping block 43 is provided with a clamping mechanism for clamping A clamping groove 431 is used to hold and fix a top corner of the empty material box. The robot is used to grab the injection molded products and put them into the specified position in the empty material box on the two-way conveyor line C. When the empty material box is filled with injection molded products, a full material box is obtained. At this time, the lifting mechanism drives the two-way conveyor line C to move downward to the entrance of the full material box conveyor line B, and then the full material box is transported to the full material box conveyor line B by the two-way conveyor line C and moved to the specified unloading position. The entire packing process is completed by automated equipment, which reduces manual participation and significantly improves production efficiency. The precise positioning and fixation of the empty material box can be achieved through the cooperation of the limit mechanism and the clamping mechanism.

[0029] like Figure 4As shown, in this embodiment, it also includes a material box depalletizing mechanism relatively arranged on both sides of the empty material box conveyor line A, and the material box depalletizing mechanism includes a first fixed plate 51, a lifting frame 52, a second fixed plate 53, a primary cylinder 54, a secondary cylinder 55, a depalletizing cylinder 56 and an L-shaped plate 57. The first fixed plate 51 is vertically fixedly arranged on the side of the base 1, and the second fixed plate 53 is horizontally fixedly arranged on the outer bottom of the first fixed plate 51. The primary cylinder 54 is fixedly arranged upward on the second fixed plate 53, and a top plate 521 is fixedly arranged on the top of the lifting frame 52, and the secondary cylinder 55 is fixedly arranged downward at the bottom of the top plate 521. The driving end of the primary cylinder 54 is fixedly connected to the driving end of the secondary cylinder 55 through a coupling 541. At least four There are fixed guide blocks 511 symmetrically arranged in two rows front to back, and a sliding rail 522 is fixedly arranged on the inner side of the lifting frame 52, which slides with the fixed guide blocks 511. The destacking cylinder 56 is horizontally fixedly arranged on the top of the top plate 521, and the driving end of the destacking cylinder 56 is vertically fixedly connected to the middle of the vertical part of the L-shaped plate 57. A destacking guide rod 58 is fixedly arranged on both sides of the vertical part of the L-shaped plate 57, and first linear bearings 59 are symmetrically fixedly arranged on both sides of the destacking cylinder 56 on the top plate 521. The outer end of the destacking guide rod 58 slides through the first linear bearing 59, and a plurality of lifting forks 571 are formed on the horizontal part of the L-shaped plate 57 to cooperate with the gap at the bottom of the empty material box. Through the design of the destacking cylinder 56 and the L-shaped plate 57, stable clamping and transportation of the empty material box are achieved.

[0030] like Figure 5 As shown, in the present embodiment, a repositioning mechanism is also included, which includes a fixing frame 11, a connecting plate 12 and at least one group of positioning components. The fixing frame 11 is fixedly arranged on one side of the lifting mechanism, and the connecting plate 12 is detachably arranged on the fixing frame 11. The positioning component includes a first positioning plate 13 and a second positioning plate 14. The first positioning plate 13 and the second positioning plate 14 are fixedly arranged on the connecting plate 12 at a preset angle. The top of the first positioning plate 13 is recessed downward and is provided with a first arc-shaped groove 131, and the top of the second positioning plate 14 is recessed downward and is provided with a second arc-shaped groove 141; the first positioning plate 13 and the second positioning plate 14 are fixedly arranged at a preset angle, and the arc-shaped groove design is combined to ensure the stability and alignment accuracy of the injection molded product during the repositioning process.

[0031] In this embodiment, a waste recovery mechanism is provided at the rear side of the base 1, and the waste recovery mechanism includes a blanking plate 15, a first waste conveying line D1 and a second waste conveying line D2. The blanking plate 15 is fixedly arranged at the rear end of the top of the base 1 and tilted downward. The first waste conveying line D1 is fixedly arranged at the rear side of the base 1 and is located directly below the outlet of the blanking plate 15. The second waste conveying line D2 is fixedly arranged at the rear of the first waste conveying line D1. A waste pushing mechanism 16 is provided at the rear of the second waste conveying line D2. When the injection molded product grasped by the robot is a defective product, the robot places the defective product at the waste recovery mechanism. When the waste turnover box on the first waste conveying line D1 is full of defective products and is moved to the designated position through the first waste conveying line D1, the waste pushing mechanism 16 pushes the waste turnover box on the second waste conveying line D2 forward to the first waste conveying line D1, thereby reducing the need for manual sorting and handling, thereby improving the overall production efficiency.

[0032] like Figures 6 to 9 As shown, in this embodiment, a palletizing production line is also included, which includes a frame 9, a pallet conveying line E, a lifting and depalletizing mechanism and an industrial robot F. The pallet conveying line E is arranged on the frame 9, and the lifting and depalletizing mechanism is arranged at a depalletizing station located at the entrance of the pallet conveying line E and is used to separate a single pallet from the palletized pallet. The lifting and depalletizing mechanism includes two sets of positioning rod assemblies, a pallet lifting mechanism and a second lifting intercepting rod 74;

[0033] Two groups of positioning rod assemblies are arranged opposite to each other on both sides of the depalletizing station. The positioning rod assemblies include a mounting frame 61, a horizontal displacement driving cylinder 62 and a limit plate 63. The mounting frame 61 is fixedly arranged on the frame 9 and is located on a side of the pallet conveyor line E. The horizontal displacement driving cylinder 62 is fixedly arranged inwardly on the mounting frame 61. The middle part of the limit plate 63 is fixedly connected to the driving end of the horizontal displacement driving cylinder 62. A rod 64 is fixedly arranged on both sides of the limit plate 63. The inner end of the rod 64 passes through the limit plate 63 and is used to position inwardly and insert into the bottom gap of the pallet. Second linear bearings 65 corresponding to the positions of the rods 64 are fixedly arranged on both sides of the mounting frame 61. The outer end of the rod 64 passes through the second linear bearing 65 outwardly. The use of the positioning rod assembly ensures the stability and alignment accuracy of the pallet during the disassembly process and reduces the risk of damage to the pallet.

[0034] The pallet lifting mechanism is arranged on the frame 9 located at the depalletizing station and at the bottom of the pallet conveyor line E. The pallet lifting mechanism includes a cylinder frame 71 fixedly connected to the frame 9 and two lifting devices fixedly arranged on the front and rear sides of the cylinder frame 71 respectively. The lifting device includes a lifting support rod 72 and two lifting cylinders 73 distributed on the left and right. The lifting cylinder 73 is fixedly upwardly arranged on the cylinder frame 71. The bottom of the lifting support rod 72 is fixedly connected to the driving end of the lifting cylinder 73. The driving end of the lifting cylinder 73 is used to drive the lifting support rod 72 to rise upward from the roller gap of the pallet conveyor line E. The compact design of the pallet lifting mechanism reduces the demand for space while ensuring the stability and reliability of the lifting action.

[0035] The second lifting intercepting rod 74 is arranged on the frame 9 and is located at the rear end of the depalletizing station. The second lifting intercepting rod 74 is used for movably intercepting the palletizing pallet.

[0036] A pallet diversion station G is provided on the pallet conveyor line E, and the pallet conveyor line E is used to transport single pallets to the pallet diversion station G in sequence. The pallet conveyor line E is located at the front end of the pallet diversion station G and is vertically connected to the first conveyor line H1 on one side, and the pallet conveyor line E is located at the rear end of the pallet diversion station G and is vertically connected to the second conveyor line H2 on one side. A first lifting interception rod 91 for movably intercepting pallets is provided on the pallet conveyor line E at the front end of the pallet diversion station G, and a first pushing device is provided on the other side of the pallet conveyor line E at the front end of the pallet diversion station G. The first pushing device is used to push the pallet to the first conveyor line H1, and the first conveyor line H1 is used to move the pallet to a designated first loading position. An interception frame 92 for intercepting pallets is fixedly provided on the pallet conveyor line E at the rear end of the pallet diversion station G, and the pallet conveyor line E is located on the other side of the rear end of the pallet diversion station G A second pushing device is provided, and the second pushing device is used to push the pallet to the second conveyor line H2. The first pushing device and the second pushing device have the same structure. The first pushing device includes a linear motor 81, a push rod seat 82 and a push rod 83. The linear motor 81 is horizontally fixed on the frame 9. The linear motor 81 is used to drive the push rod seat 82 to move left and right. A group of second slide rail slider assemblies 84 are provided between the bottom sides of the push rod seat 82 and the frame 9. The top of the push rod seat 82 passes upward through the roller gap of the pallet conveyor line E and forms at least three vertical connecting blocks 85. The bottom of the push rod 83 is fixedly connected to the top of the vertical connecting block 85; the second conveyor line H2 is used to move the pallet to the designated second loading position, and the industrial robot F is used to grab the full box at the exit of the full box conveyor line B and stack it on the pallet located at the first loading position or the second loading position.

[0037] A code scanning and recognition device (not shown) for scanning the QR code on the empty material box is provided on the other side of the exit of the empty material box conveyor line A, thereby ensuring that the model of the product placed in the empty material box is consistent with the model of the injection molded product placed by the robot.

[0038] The working principle of this embodiment is as follows: to depalletize the stacked empty boxes: the first-level cylinder 54 drives the second-level cylinder 55 to move upward, thereby driving the top plate 521 to move upward, and then the depalletizing cylinder 56 drives the L-shaped plate 57 to move inward, and at the same time, the lifting fork 571 is inserted inward between the last layer of empty boxes and the second-last layer of empty boxes in the stack, and then the second-level cylinder 55 drives the top plate 521 to move upward. At this time, the lifting fork 571 lifts the second-last layer and above of the empty boxes, and the last layer of empty boxes is transported to the two-way conveyor line C through the empty box conveyor line A, and at the same time, the second-level cylinder 55 drives the top plate 521 to move downward, and the first-level cylinder 54 drives the second-level cylinder 55 to move downward, thereby driving the top plate 521 to move downward, and then the depalletizing cylinder 56 drives the L-shaped plate 57 to move outward, so that the second-last layer of empty boxes is used as the last layer of empty boxes, and the above-mentioned depalletizing process of empty boxes is repeated.

[0039] The limit cylinder 32 drives the limit block 33 to block the rear side of the empty material box, and the clamping cylinder 42 drives the clamping block 43 to clamp and fix one top corner of the empty material box backward. The robot grabs the injection molded product and puts it into the specified position in the empty material box on the two-way conveyor line C. When the empty material box is filled with injection molded products, a full material box is obtained. At this time, the vertical displacement drive motor 21 drives the moving frame 22 to move downward, thereby driving the two-way conveyor line C to move downward to the entrance of the full material box conveyor line B, and then the full material box is transported by the two-way conveyor line C to the full material box conveyor line B and moved to the specified unloading position.

[0040] The stacked pallets are depalletized: the second lifting intercepting rod 74 rises from the gap between the rollers of the pallet conveyor line E to stop the stacked pallet, and the lifting cylinder 73 drives the lifting support rod 72 to lift upward from the gap between the rollers of the pallet conveyor line E and above the rollers of the pallet conveyor line E, thereby lifting the stacked pallet. At this time, the horizontal displacement driving cylinder 62 on both sides of the mounting frame 61 drives the limit plate 63 to move inward, so that the inner end of the insertion rod 64 extends into the gap between the last layer of pallets and the second last layer of pallets. At this time, the lifting cylinder 73 drives the lifting support rod 72 to move downward, and the second lifting intercepting rod 74 retracts. The last layer of pallets is transported to the pallet diversion station G through the pallet conveyor line E. At the same time, the lifting cylinder 73 drives the lifting support rod 72 to move upward, and the horizontal displacement driving cylinder 62 drives the limit plate 63 to move outward, so that the second last layer of pallets is used as the last layer of pallets, and the above pallet depalletizing process is repeated.

[0041] When the pallet is blocked by the raised first lifting intercepting rod 91 or the intercepting frame 92, the linear motor 81 drives the pushing rod seat 82 to move toward the first conveyor line H1 or the second conveyor line H2, thereby pushing the pallet to the first conveyor line H1 or the second conveyor line H2. The first conveyor line H1 or the second conveyor line H2 moves the pallet to the designated first loading position or the second loading position. The industrial robot F grabs the full material box at the exit of the full material box conveyor line B and stacks it on the pallet at the first loading position or the second loading position. When the pallet is fully stacked with full material boxes, a full pallet is obtained, and then the full pallet is moved to the designated handling position by the first conveyor line H1 or the second conveyor line H2.

Claims

1. A packaging production line for injection molded products, characterized in that It includes a base and a packing production line, wherein the packing production line includes an empty material box conveyor line located on the upper layer of the base, a full material box conveyor line located on the lower layer of the base, a lifting mechanism and a manipulator, wherein the lifting mechanism is arranged on the rear side of the base and moves up and down between the outlet of the empty material box conveyor line and the inlet of the full material box conveyor line, a bidirectional conveyor line is arranged on the lifting mechanism, the empty material box conveyor line is used to transport a single empty material box to the bidirectional conveyor line in sequence, a limiting mechanism is arranged on the rear side of the bidirectional conveyor line, a clamping mechanism for cooperating with the limiting mechanism to jointly position the empty material box is arranged on the base at the rear end of the empty material box conveyor line, and the manipulator is used to grab the injection molded products and put them into the designated position of the empty material box located on the bidirectional conveyor line.

2. A packaging production line for injection molded products according to claim 1, characterized in that The lifting mechanism includes a vertical displacement drive motor and a moving frame. The vertical displacement drive motor is fixedly arranged on the rear side of the base. The vertical displacement drive motor is used to drive the moving frame to move up and down. A group of first slide rail slider assemblies are arranged between the two sides of the moving frame and the rear side of the base.

3. A packaging production line for injection molded products according to claim 2, characterized in that The limiting mechanism includes a limiting frame, a limiting cylinder and a limiting block. The limiting frame is fixedly arranged at the rear end of one side of the movable frame, the limiting cylinder is horizontally fixedly arranged on the limiting frame, and the limiting block is fixedly arranged at the driving end of the limiting cylinder. The clamping mechanism includes a clamping frame, a clamping cylinder and a clamping block. The clamping frame is fixedly arranged on the base at the rear end of the empty material box conveying line, the clamping cylinder is horizontally fixedly arranged on the clamping frame and inclined toward the inner side of the bidirectional conveying line, the clamping block is fixedly arranged at the driving end of the clamping cylinder, and the clamping block is provided with a clamping groove for clamping a top corner of the empty material box.

4. The packaging production line for injection molded products according to claim 1, characterized in that It also includes a material box destacking mechanism relatively arranged on both sides of the empty material box conveyor line, the material box destacking mechanism includes a first fixed plate, a lifting frame, a second fixed plate, a primary cylinder, a secondary cylinder, a destacking cylinder and an L-shaped plate, the first fixed plate is vertically fixedly arranged on the side of the base, the second fixed plate is horizontally fixedly arranged on the outer bottom of the first fixed plate, the primary cylinder is fixedly arranged upward on the second fixed plate, the top of the lifting frame is fixedly provided with a top plate, the secondary cylinder is fixedly arranged downward on the bottom of the top plate, the driving end of the primary cylinder is fixedly connected to the driving end of the secondary cylinder through a coupling, and the first fixed plate At least four fixed guide blocks are fixedly arranged on the outside and are distributed in two rows symmetrically front and back, and a sliding rail that slides with the fixed guide blocks is fixedly arranged on the inner side of the lifting frame. The destacking cylinder is horizontally fixedly arranged on the top of the top plate, and the driving end of the destacking cylinder is vertically fixedly connected to the middle of the vertical part of the L-shaped plate, and a destacking guide rod is fixedly arranged on both sides of the vertical part of the L-shaped plate, respectively. First linear bearings are symmetrically fixedly arranged on the top plate on both sides of the destacking cylinder, and the outer end of the destacking guide rod slides through the first linear bearing. The horizontal part of the L-shaped plate forms a plurality of lifting forks that cooperate with the gap at the bottom of the empty material box.

5. The packaging production line for injection molded products according to claim 1, characterized in that It also includes a repositioning mechanism, which includes a fixing frame, a connecting plate and at least one group of positioning components, the fixing frame is fixedly arranged on one side of the lifting mechanism, the connecting plate is detachably arranged on the fixing frame, the positioning component includes a first positioning plate and a second positioning plate, the first positioning plate and the second positioning plate are fixedly arranged on the connecting plate at a preset angle, the top of the first positioning plate is recessed downward and provided with a first arc-shaped groove, and the top of the second positioning plate is recessed downward and provided with a second arc-shaped groove.

6. The packaging production line for injection molded products according to claim 1, characterized in that A waste recovery mechanism is arranged on the rear side of the base, and the waste recovery mechanism includes a blanking plate, a first waste conveying line and a second waste conveying line. The blanking plate is fixedly arranged at a downward tilt at the rear end of the top of the base, the first waste conveying line is fixedly arranged on the rear side of the base and is located directly below the outlet of the blanking plate, the second waste conveying line is fixedly arranged at the rear of the first waste conveying line, and a waste pushing mechanism is arranged at the rear of the second waste conveying line, and the waste pushing mechanism is used to push the waste turnover box located on the second waste conveying line to the first waste conveying line.

7. The packaging production line for injection molded products according to claim 1, characterized in that It also includes a palletizing production line, which includes a frame, a pallet conveyor line, a lifting and depalletizing mechanism and an industrial robot. The pallet conveyor line is arranged on the frame, and the lifting and depalletizing mechanism is arranged at a depalletizing station located at the entrance of the pallet conveyor line and is used to separate a single pallet from the palletized pallet. A pallet diversion station is arranged on the pallet conveyor line, and the pallet conveyor line is used to transport the single pallets to the pallet diversion station in sequence. A first conveyor line is vertically connected to one side of the pallet conveyor line located at the front end of the pallet diversion station, and a second conveyor line is vertically connected to one side of the pallet conveyor line located at the rear end of the pallet diversion station. A first lifting intercepting rod for movably intercepting the pallet is arranged on the front end of the pallet conveyor line located at the pallet diversion station. A first pushing device is provided on the other side of the front end of the pallet diversion station, and the first pushing device is used to push the pallet to the first conveyor line, and the first conveyor line is used to move the pallet to a designated first loading position. An interception frame for intercepting the pallet is fixedly provided on the pallet conveyor line at the rear end of the pallet diversion station, and a second pushing device is provided on the other side of the pallet conveyor line at the rear end of the pallet diversion station, and the second pushing device is used to push the pallet to the second conveyor line, and the second conveyor line is used to move the pallet to a designated second loading position, and the industrial robot is used to grab the full box at the exit of the full box conveyor line and stack it on the pallet located at the first loading position or the second loading position.

8. A packaging production line for injection molded products according to claim 7, characterized in that The lifting and depalletizing mechanism comprises two groups of positioning and inserting rod assemblies, a pallet lifting mechanism and a second lifting and intercepting rod, the two groups of positioning and inserting rod assemblies are arranged oppositely on both sides of the depalletizing station, the pallet lifting mechanism is arranged on the rack located at the depalletizing station and at the bottom of the pallet conveying line, the second lifting and intercepting rod is arranged on the rack and at the rear end of the depalletizing station, and the second lifting and intercepting rod is used to movably intercept the stacking pallet; The positioning plunger assembly comprises a mounting frame, a horizontal displacement driving cylinder and a limit plate, wherein the mounting frame is fixedly arranged on the frame and is located at a side of the pallet conveyor line, the horizontal displacement driving cylinder is fixedly arranged inwardly on the mounting frame, the middle part of the limit plate is fixedly connected to the driving end of the horizontal displacement driving cylinder, a plunger is fixedly arranged on both sides of the limit plate, the inner end of the plunger passes through the limit plate and is used to be inserted into the bottom gap of the pallet for positioning inwardly, and second linear bearings corresponding to the positions of the plunger are fixedly arranged on both sides of the mounting frame, and the outer end of the plunger passes through the second linear bearing outwardly; The pallet lifting mechanism includes a cylinder frame fixedly connected to the frame and two jacking devices fixedly arranged on the front and rear sides of the cylinder frame respectively. The jacking device includes a jacking support rod and two jacking cylinders distributed on the left and right. The jacking cylinder is fixedly upwardly arranged on the cylinder frame, and the bottom of the jacking support rod is fixedly connected to the driving end of the jacking cylinder. The driving end of the jacking cylinder is used to drive the jacking support rod to rise upward from the roller gap of the pallet conveyor line.

9. The packaging production line for injection molded products according to claim 7, characterized in that The first pushing device and the second pushing device have the same structure, the first pushing device includes a linear motor, a pushing rod seat and a pushing rod, the linear motor is horizontally fixed on the frame, the linear motor is used to drive the pushing rod seat to move left and right, a group of second slide rail slider assemblies are arranged between the two sides of the bottom of the pushing rod seat and the frame, the top of the pushing rod seat passes upward through the roller gap of the pallet conveyor line and forms at least three vertical connecting blocks, and the bottom of the pushing rod is fixedly connected to the top of the vertical connecting block.

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