Edge cutting device for injection molding of automotive upholstery

Abstract

The utility model belongs to the technical field of automotive upholstery processing, and particularly relates to an automotive upholstery injection molding edge cutting device which comprises a base, an edge cutting mechanism and an adsorption fixing assembly are arranged on the base, the edge cutting mechanism comprises a moving block, the bottom side of the moving block is fixedly connected with a cavity pipe, and the bottom side of the cavity pipe is fixedly connected with an adsorption fixing assembly. A first motor is arranged in the cavity pipe, a cutting knife is installed at the output end of the first motor, a supporting plate is installed on the top side of the moving block, a waste collecting box is installed on the supporting plate, a negative pressure pump is installed on the waste collecting box, and an input hole of the negative pressure pump is connected with an exhaust pipe. In the edge cutting process of the automotive upholstery, waste materials generated in the edge cutting process can be collected in time, the waste materials are prevented from being accumulated in a working area, interference to the production process is reduced, the cleanliness of the working environment is guaranteed, meanwhile, the waste materials can be prevented from being attached to finished products, the upholstery is prevented from being polluted, and the service life of the upholstery is prolonged. Therefore, the product quality is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of automobile interior decoration processing, in particular to an injection molding trimming device for automobile interior decoration parts. Background Art

[0002] Automotive interior parts are decorative parts covering the interior of the car, mainly including dashboards, roofs, door inner panels, seats, carpets and other surface coverings. After the automotive interior parts are injection molded, flash or burrs often appear on the edges of the products. Therefore, they need to be removed through trimming to make the edges of the products flatter and smoother.

[0003] A Chinese patent with announcement number CN206644032U discloses a trimming device for automotive interior parts, including a workbench and a base, a groove is provided at the bottom of the workbench, a bearing is fixedly connected to the bottom of the groove, the end of the bearing away from the workbench is rotatably connected to a pneumatic telescopic rod, the end of the pneumatic telescopic rod away from the bearing is fixedly connected to the base, a friction column is provided at the bottom of the workbench, a first channel corresponding to the friction column is provided in the base, the friction column runs through the first channel, and friction plates are symmetrically provided in the first channel with the pneumatic telescopic rod as the center, and one side of the friction plate is movably connected to the outer wall of the friction column; the utility model can freely adjust the height of the device and the rotatability of the device, which can better adapt to different users and also improve the work efficiency of the user.

[0004] Since a large amount of waste is generated during the trimming process, the existing trimming device for automobile interior parts lacks the cooperation of a waste collection mechanism. Therefore, the waste generated during the trimming process cannot be collected in time and will be scattered in the working area, affecting the cleanliness of the working environment. In addition, the waste may contain fragments or particles that are not completely cut. If these wastes adhere to the finished product, they will affect the product quality. Therefore, in order to solve the above problems, a trimming device for injection molding of automobile interior parts is proposed. Utility Model Content

[0005] In order to make up for the deficiencies of the prior art and solve the problems raised in the above background technology, the utility model provides an injection molding trimming device for automobile interior trim parts.

[0006] The utility model discloses a technical scheme that solves its technical problems is: The utility model discloses an automobile interior part injection moulding edge cutting device, including base, be provided with the edge cutting mechanism and adsorption fixed component on the base, the edge cutting mechanism includes moving block, the top side of moving block is installed with the supporting plate, is installed with the waste collection box on the supporting plate, is installed with the negative pressure pump on the waste collection box, the input hole of negative pressure pump is connected with the air suction pipe, and the other end of air suction pipe is connected with waste collection box intercommunication, the output hole of negative pressure pump is connected with the exhaust pipe, the bottom side of moving block is fixed with two bending plates, and two bending plates are cooperatively fixed with dust cover, and the dust cover is connected with dust collection pipeline between waste collection box, in the edge cutting process of automobile interior part, through the edge cutting mechanism effect, can carry out the edge cutting processing to interior part, simultaneously through the negative pressure pump operation, makes the air suction pipe extract the gas in waste collection box, and is discharged through the exhaust pipe, makes the inside of waste collection box belong to the negative pressure state, thereby can produce the waste through the cooperation of dust cover and dust collection pipeline in the edge cutting process and inhale in waste collection box, thereby can produce the waste in the edge cutting process and collect in time, avoid the waste and accumulate in the work area, thereby reduce the interference to production flow, and guarantee the neat of working environment, can avoid the waste and attach on finished product simultaneously, and interior part causes the pollution, thereby improves product quality.

[0007] The bottom side of the moving block is fixed with a cavity tube, a first motor is arranged in the cavity tube, and a cutting knife is installed at the output end of the first motor. When the device is used, the first motor operates to rotate the cutting knife, so that the cutting surface of the cutting knife can be adjusted and replaced. The rotation of the cutting knife can evenly use each cutting surface, avoid the cutting knife from being scrapped due to excessive wear of a single cutting surface, and prolong the overall service life of the cutting knife.

[0008] Preferably, two crushing rollers are installed in the dust cover through a rotating shaft. One end of each rotating shaft is sleeved with a first gear and a second gear, and the first gear and the second gear are meshed with each other. A second motor is installed on one side wall of the dust cover away from the first gear. The output end of the second motor is connected to one end of one of the rotating shafts. During the collection of the waste generated by edge cutting, the second motor operates to rotate the two crushing rollers under the meshing and rotating cooperation of the first gear and the second gear, so that the large-size waste generated during the edge cutting process can be crushed, ensuring that the waste is effectively crushed before entering the dust collection pipeline, avoiding the blockage of the dust collection pipeline, ensuring the smooth progress of the waste collection operation, and making the crushed waste particles smaller and easier to be sucked into the waste collection box, thereby improving the dust collection efficiency.

[0009] Preferably, a debris discharge port is provided on one side wall of the waste collection box, and limiting slide rails are fixedly connected on both sides of the port of the debris discharge port. The two limiting slide rails are slidably installed with a sealing cover plate. When using the device, the debris discharge port is provided to facilitate the removal of waste collected in the waste collection box.

[0010] Preferably, the base is provided with two grooves, each of which is provided with a T-shaped block, and a screw rod is rotatably installed in the two grooves, and the screw rod passes through the T-shaped block. Two third motors are installed on one side wall of the base, and the output end of the third motor is connected to one end of the screw rod. The top of the two T-shaped blocks is installed with a first pneumatic cylinder, and the working ends of the two first pneumatic cylinders are equipped with a first pneumatic rod. The tops of the two first pneumatic rods are fixed with a supporting block, and the two supporting blocks are rotatably installed with a threaded rod, and the threaded rod passes through the moving block. A fourth motor is installed on one of the supporting blocks, and the output end of the fourth motor is connected to one end of the threaded rod. After the interior trim is adsorbed and fixed, when trimming the automotive interior trim, the first pneumatic cylinder is operated to move the first pneumatic rod down to contact the edge of the automotive interior trim, and then the fourth motor is operated to rotate the threaded rod. With the cooperation of the limit rod and the limit sleeve, the moving block drives the waste collection mechanism and the cutting knife to move, so that the edge of the interior trim can be moved laterally and trimmed. At the same time, the third motor is operated to rotate the lead screw, and then the T-shaped block drives the cutting knife to move longitudinally, so that the interior trim can be moved longitudinally. By adjusting the transverse and longitudinal movement of the cutting knife, the interior trim can be fully trimmed, which greatly improves the efficiency of trimming.

[0011] Preferably, two limit rods are fixed between the two support blocks, and the two limit rods are respectively located on both sides of the threaded rod. Limit sleeves are fixed on both side walls of the moving block, and the limit rods pass through the limit sleeves. When using the device, the moving block can move more stably through the cooperation of the limit rods and the limit sleeves.

[0012] Preferably, the adsorption and fixing assembly includes three second pneumatic cylinders, and three second pneumatic cylinders are installed on the base. The active end of each second pneumatic cylinder is equipped with a third pneumatic rod, and the top of each third pneumatic rod is equipped with a suction cup. When fixing the automobile interior parts, the interior parts can be adsorbed and fixed through the action of the suction cup. Through the operation of the second pneumatic cylinder, the third pneumatic rod drives the clamped and fixed interior parts to move up or down, so that the height of the adsorbed and fixed interior parts can be adjusted, which is convenient for subsequent better trimming processing.

[0013] The utility model is beneficial in that:

[0014] 1. During the trimming process of automobile interior parts, the utility model can trim the interior parts through the action of the trimming mechanism. At the same time, the negative pressure pump operates to cause the exhaust pipe to extract the gas in the waste collection box and discharge it through the exhaust pipe, so that the interior of the waste collection box is in a negative pressure state. As a result, the waste generated during the trimming process can be sucked into the waste collection box through the cooperation of the dust collection hood and the dust collection pipe. In this way, the waste generated during the trimming process can be collected in time, and the waste can be prevented from accumulating in the working area, thereby reducing interference with the production process and ensuring a clean working environment. At the same time, it can prevent the waste from adhering to the finished product and causing pollution to the interior parts, thereby improving product quality.

[0015] 2. In the process of collecting the waste generated by trimming, the utility model operates the second motor, and under the meshing rotation cooperation of the first gear and the second gear, the two crushing rollers are rotated, so that the large-sized waste generated in the trimming process can be crushed, and it can be ensured that the waste is effectively crushed before entering the dust collection pipe, thereby avoiding the phenomenon of dust collection pipe blockage and ensuring the smooth progress of the waste collection operation. At the same time, the crushed waste particles are smaller and are more easily sucked into the waste collection box, thereby improving the dust collection efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0017] Figure 1 Schematic diagram of the overall three-dimensional structure of the device;

[0018] Figure 2 Schematic diagram of the three-dimensional structure of the trimming mechanism;

[0019] Figure 3 It is a schematic diagram of the cross-sectional three-dimensional structure of the cavity tube;

[0020] Figure 4 This is a schematic diagram of the three-dimensional structure of the waste collection mechanism;

[0021] Figure 5 It is a schematic diagram of the three-dimensional structure of the moving block component.

[0022] In the figure: 1. base; 2. groove; 3. T-shaped block; 4. screw; 5. third motor; 6. first pneumatic cylinder; 7. first pneumatic rod; 8. support block; 9. threaded rod; 10. fourth motor; 11. moving block; 12. limit sleeve; 13. limit rod; 14. cavity tube; 15. first motor; 16. cutting knife; 17. bending plate; 18. dust hood; 19. crushing roller; 20. first gear; 21. second gear; 22. second motor; 23. support plate; 24. waste collection box; 25. negative pressure pump; 26. exhaust pipe; 27. exhaust pipe; 28. dust collection pipe; 29. ​​limit slide rail; 30. sealing cover; 31. second pneumatic cylinder; 32. third pneumatic rod; 33. suction cup. DETAILED DESCRIPTION

[0023] The following will be combined with the accompanying drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0024] See also Figures 1-5As shown, an automobile interior part injection molding edge cutting device, including base 1, base 1 is provided with edge cutting mechanism and adsorption fixing assembly, edge cutting mechanism includes moving block 11, the bottom side of moving block 11 is fixedly connected with cavity tube 14, cavity tube 14 is provided with first motor 15, the output end of first motor 15 is installed with cutting knife 16, the top side of moving block 11 is installed with support plate 23, support plate 23 is installed with waste collecting box 24, waste collecting box 24 is installed with negative pressure pump 25, the input hole of negative pressure pump 25 is connected with suction pipe 26, and the other end of suction pipe 26 is communicated with waste collecting box 24, the output hole of negative pressure pump 25 is connected with exhaust pipe 27, the bottom side of moving block 11 is fixedly connected with two bending plates 17, two bending plates 17 are fixedly connected with dust cover 18, dust cover 18 and waste collecting box 24 are connected with dust suction pipeline 28, a side wall of waste collecting box 24 is provided with a discharge port, the port sides of discharge port are fixedly connected with limit sliding rails 29, two limit sliding rails 29 are slidingly installed with sealing cover plate 30; in the process of cutting the automobile interior part, through the action of edge cutting mechanism, the interior part can be cut, and through the operation of negative pressure pump 25, the gas in waste collecting box 24 is extracted through suction pipe 26 and discharged through exhaust pipe 27, so that the inside of waste collecting box 24 is in a negative pressure state, so that the waste generated in the cutting process can be sucked into waste collecting box 24 through the cooperation of dust cover 18 and dust suction pipeline 28, so that the waste generated in the cutting process can be collected in time, avoiding the accumulation of waste in the working area, thereby reducing the interference with the production process and ensuring the cleanliness of the working environment, while avoiding the attachment of waste on the finished product, the pollution of the interior part, and improving the product quality.

[0025] Two broken rollers 19 are installed in dust cover 18 through rotating shafts, one end of each rotating shaft is sleeved with first gear 20 and second gear 21, first gear 20 and second gear 21 are meshed with each other, second motor 22 is installed on the side wall of dust cover 18 away from first gear 20, and one end of one of the rotating shafts is connected with the output end of second motor 22; in the process of collecting the waste generated by cutting, through the operation of second motor 22, under the meshing and rotating cooperation of first gear 20 and second gear 21, both broken rollers 19 rotate, so that the large-size waste generated in the cutting process can be broken, ensuring that the waste is effectively broken before entering dust suction pipeline 28, thereby avoiding the blockage of dust suction pipeline 28 and ensuring the smooth progress of waste collection operation, while the broken waste particles are smaller and easier to be sucked into waste collecting box 24, thereby improving the dust collection efficiency.

[0026] Please refer to Figures 1-2As shown, the base 1 is provided with two grooves 2, and T-shaped blocks 3 are provided in the two grooves 2. Screw rods 4 are rotatably installed in the two grooves 2, and the screw rods 4 pass through the T-shaped blocks 3. Two third motors 5 are installed on one side wall of the base 1, and the output end of the third motor 5 is connected to one end of the screw rod 4. The top of the two T-shaped blocks 3 is installed with a first pneumatic cylinder 6, and the working ends of the two first pneumatic cylinders 6 are equipped with a first pneumatic rod 7. The tops of the two first pneumatic rods 7 are fixed with support blocks 8, and the two support blocks 8 are rotatably installed with threaded rods 9, and the threaded rods 9 pass through the moving block 11. A fourth motor 10 is installed on one of the support blocks 8, and the output end of the fourth motor 10 is connected to one end of the threaded rod 9. Two limit rods 13 are fixed between the two support blocks 8, and the two limit rods 13 are respectively located on both sides of the threaded rod 9. The limiting sleeves 12 are fixed to both side walls of the moving block 11, and the limiting rods 13 are set through the limiting sleeves 12; after the automobile interior decoration parts are adsorbed and fixed, when the automobile interior decoration parts are trimmed, the first pneumatic cylinder 6 is operated to make the first pneumatic rod 7 move down to contact the edge of the automobile interior decoration parts, and then the fourth motor 10 is operated to make the threaded rod 9 rotate. With the cooperation of the limiting rod 13 and the limiting sleeve 12, the moving block 11 drives the waste collection mechanism and the cutting knife 16 to move, so that the edge of the interior decoration parts can be moved horizontally and trimmed. At the same time, the third motor 5 is operated to make the screw rod 4 rotate, and then the T-shaped block 3 drives the cutting knife 16 to move longitudinally, so that the interior decoration parts can be moved longitudinally. By adjusting the horizontal and vertical movements of the cutting knife 16, the interior decoration parts can be comprehensively trimmed, which greatly improves the efficiency of trimming.

[0027] The adsorption and fixing assembly includes three second pneumatic cylinders 31. Three second pneumatic cylinders 31 are installed on the base 1. The active end of each second pneumatic cylinder 31 is equipped with a third pneumatic rod 32, and the top of each third pneumatic rod 32 is equipped with a suction cup 33. When fixing the automobile interior decoration parts, the interior decoration parts can be adsorbed and fixed through the action of the suction cup 33. The operation of the second pneumatic cylinder 31 drives the clamped and fixed interior decoration parts to move up or down, so that the height of the adsorbed and fixed interior decoration parts can be adjusted, which is convenient for subsequent better trimming processing.

[0028] Working principle: Since a large amount of waste is generated during the trimming process, the existing trimming device for automobile interior parts lacks the cooperation of a waste collection mechanism, and the waste generated during the trimming process cannot be collected in time, and will be scattered in the working area, affecting the cleanliness of the working environment. The waste may contain fragments or particles that are not completely cut. If these wastes adhere to the finished product, it will affect the product quality. Therefore, in response to the above problems, an injection molding trimming device for automobile interior parts is proposed; when trimming the automobile interior parts, the first pneumatic cylinder 6 is operated to move the first pneumatic rod 7 down to contact the edge of the automobile interior parts, and then the fourth motor 10 is operated to rotate the threaded rod 9, and with the cooperation of the limit rod 13 and the limit sleeve 12, the moving block 11 drives the waste collection mechanism and the cutting knife 16 to move, so that the edge of the interior parts can be moved laterally for trimming, and at the same time, the third motor is used 5 operation, so that the screw rod 4 rotates, and then the T-shaped block 3 drives the cutting knife 16 to move longitudinally, so that the interior decoration part can be moved longitudinally. By adjusting the horizontal and vertical movements of the cutting knife 16, the interior decoration part can be fully trimmed, which greatly improves the efficiency of trimming. During the trimming process, the negative pressure pump 25 is operated at the same time, so that the exhaust pipe 26 extracts the gas in the waste collection box 24 and discharges it through the exhaust pipe 27, so that the interior of the waste collection box 24 is in a negative pressure state, so that the waste generated during the trimming process can be sucked into the waste collection box 24 through the cooperation of the dust collection hood 18 and the dust collection pipe 28, so that the waste generated during the trimming process can be collected in time, avoiding the accumulation of waste in the working area, thereby reducing interference with the production process and ensuring the cleanliness of the working environment. At the same time, it can prevent the waste from adhering to the finished product and causing pollution to the interior decoration part, thereby improving product quality.

[0029] During the collection of waste generated by trimming, the second motor 22 is operated, and the meshing rotation of the first gear 20 and the second gear 21 causes both crushing rollers 19 to rotate, thereby crushing the large-sized waste generated during the trimming process, ensuring that the waste is effectively crushed before entering the dust collection pipe 28, thereby avoiding the blockage of the dust collection pipe 28 and ensuring the smooth progress of the waste collection operation. At the same time, the crushed waste particles are smaller and are more easily sucked into the waste collection box 24, thereby improving the dust collection efficiency.

[0030] Throughout this specification, references to terms such as "one embodiment," "example," or "specific example" indicate that a specific feature, structure, material, or characteristic described in conjunction with that embodiment or example is included in at least one embodiment or example of the present invention. In this specification, schematic representations of these terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

[0031] The above shows and describes the basic principles, main features and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited to the above embodiments. The above embodiments and descriptions are merely illustrative of the principles of the present invention. Various changes and improvements may be made to the present invention without departing from the spirit and scope of the present invention, and such changes and improvements fall within the scope of the present invention as claimed.

Claims

1. A trimming device for injection molding of automotive interior parts, characterized by: The invention comprises a base (1), wherein the base (1) is provided with a trimming mechanism and an adsorption fixing component, wherein the trimming mechanism comprises a moving block (11), wherein the bottom side of the moving block (11) is fixedly connected with a cavity tube (14), wherein a first motor (15) is provided in the cavity tube (14), wherein an output end of the first motor (15) is provided with a cutting knife (16), wherein a support plate (23) is provided on the top side of the moving block (11), wherein a waste collection box (24) is provided on the support plate (23), wherein a negative pressure pump (25) is provided on the waste collection box (24), wherein an input hole of the negative pressure pump (25) is connected with an exhaust pipe (26), and wherein the other end of the exhaust pipe (26) is connected with the waste collection box (24), wherein the negative pressure pump (23) is provided with a vacuum pump (25), wherein the vacuum pump (25) is provided with a vacuum pump (26 ... The output hole of the movable block (11) is connected to an exhaust pipe (27), two bent plates (17) are fixed to the bottom side of the movable block (11), and the two bent plates (17) are fixedly connected to a dust cover (18), and a dust collection pipe (28) is connected between the dust cover (18) and the waste collection box (24). Two crushing rollers (19) are installed in the dust cover (18) through a rotating shaft, and one end of the two rotating shafts is respectively provided with a first gear (20) and a second gear (21), and the first gear (20) and the second gear (21) are meshed with each other. A second motor (22) is installed on a side wall of the dust cover (18) away from the first gear (20), and the output end of the second motor (22) is connected to one end of one of the rotating shafts.

2. The trimming device for injection molding of automotive interior parts according to claim 1, characterized in that: A waste discharge port is provided on one side wall of the waste collection box (24), and both sides of the waste discharge port are fixedly connected to limiting slide rails (29), and the two limiting slide rails (29) are slidably mounted with sealing cover plates (30).

3. The trimming device for injection molding of automotive interior parts according to claim 1, characterized in that: Two grooves (2) are provided on the base (1), T-shaped blocks (3) are provided in the two grooves (2), screw rods (4) are rotatably installed in the two grooves (2), and the screw rods (4) pass through the T-shaped blocks (3). Two third motors (5) are installed on one side wall of the base (1), and the output end of the third motor (5) is connected to one end of the screw rod (4).

4. The trimming device for injection molding of automotive interior parts according to claim 3, characterized in that: The top ends of the two T-shaped blocks (3) are both equipped with first pneumatic cylinders (6), the active ends of the two first pneumatic cylinders (6) are both equipped with first pneumatic rods (7), the top ends of the two first pneumatic rods (7) are both fixedly connected with support blocks (8), the two support blocks (8) are equipped with threaded rods (9) for rotation, and the threaded rods (9) pass through the moving block (11), a fourth motor (10) is installed on one of the support blocks (8), and the output end of the fourth motor (10) is connected to one end of the threaded rod (9).

5. The trimming device for injection molding of automotive interior parts according to claim 4, characterized in that: Two limiting rods (13) are fixedly connected between the two support blocks (8), and the two limiting rods (13) are respectively located on both sides of the threaded rod (9). The limiting sleeves (12) are fixedly connected to both side walls of the moving block (11), and the limiting rods (13) are arranged to pass through the limiting sleeves (12).

6. The trimming device for injection molding of automotive interior parts according to claim 1, characterized in that: The adsorption and fixing assembly comprises three second pneumatic cylinders (31), the three second pneumatic cylinders (31) are installed on the base (1), the action end of each second pneumatic cylinder (31) is equipped with a third pneumatic rod (32), and the top end of each third pneumatic rod (32) is equipped with a suction cup (33).

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