Device for scraping injection molding flash of plastic box

By designing an automated device for scraping plastic box injection molding flashes, the linkage operation of scraper assembly and corner cylinder is used to solve the problem of time-consuming and labor-intensive manual removal, improving processing efficiency and accuracy, and improving product qualification rate.

CN222681523UActive Publication Date: 2025-03-28JINHUA YAFENG PLASTIC IND CO LTD
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Patent Information

Application Number
CN202421409783.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-06-19
Publication Date
2025-03-28
Estimated Expiration
2034-06-19

AI Technical Summary

Technical Problem

In the prior art, manual removal of plastic boxes injection molding flashes is time-consuming and labor-intensive, low efficiency and easy to cause damage to the product body, reducing the processing pass rate.

Method used

Design a device including a rack, mounting platform, scraper assembly and corner cylinder, automatically installs the plastic box through a robot, and automatically scrapes the injection molded flash using the linkage operation of the scraper assembly and corner cylinder.

Benefits of technology

Automatic scraping of plastic box injection molding flashes is realized, which improves processing efficiency and accuracy, reduces the risk of manual operation, and improves the processing pass rate of the product.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a device for scraping injection molding flash of a plastic box, which comprises a rack, a mounting platform is arranged on the rack, the mounting platform comprises two support plates, one side of each support plate is fixed on the rack, a mounting plate is arranged between the other sides of the support plates, at least one row of mounting ports is arranged on the mounting plate, each row of mounting ports is provided with two mounting ports, and the mounting ports are arranged on the rack. An injection molding flash end opening of the plastic box is fixed towards the installation openings in a sleeving mode, the injection molding flash is exposed out of the installation openings, a scraper assembly is further arranged on the machine frame in a sliding mode, located below the installation plate and slides back and forth to scrape the injection molding flash, and a corner air cylinder is further arranged between the two installation openings. A rotating rod is arranged on a piston rod of the corner air cylinder, a pressing block used for pressing the plastic box is arranged at the end of the rotating rod, and the scraper assembly and the corner air cylinder correspondingly work through a control device. The device disclosed by the utility model can be used for automatically scraping the injection molding flash of the plastic box on the mounting platform, so that the manual operation is greatly reduced, and the processing efficiency and the processing precision are improved.
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Description

Technical Field

[0001] The utility model relates to the technical field of plastic box processing, in particular to a device for scraping off injection molding flash of a plastic box. Background Art

[0002] Plastic boxes are generally made by injection molding. For larger plastic boxes, such as battery plastic boxes, in order to reduce defects in the box cover after molding, the injection molding feed volume is usually slightly larger than the molding volume. Due to the characteristics of the molding mold, the opening edge of the injection molding box cover has burrs and flash extending horizontally outward. For these excess flash, they are usually removed manually with manual tools or semi-automatic rotary equipment. Therefore, too much manpower is required, resulting in low cleaning efficiency of the plastic box cover and poor processing effect. At the same time, it is easy to damage the box body due to human factors, reducing the product qualification rate. Utility Model Content

[0003] The utility model aims to provide a device for scraping off injection molding flash of plastic boxes, so as to solve the problems in the prior art that manual removal of burrs is time-consuming and labor-intensive, has low processing efficiency, is prone to cause accidental damage to the product body, and reduces the processing qualification rate.

[0004] In order to solve the above technical problems, the utility model is implemented through the following technical solutions:

[0005] A device for scraping off injection molding flash of a plastic box comprises a frame, a mounting platform is arranged on the frame, the mounting platform comprises two support plates, and one side of the support plate is fixed to the frame, and a mounting plate is arranged between the other sides, at least one row of mounting ports is arranged on the mounting plate, and each row is provided with two mounting ports, the injection molding flash port sleeve of the plastic box is fixed to the mounting port, and the injection molding flash is exposed outside the mounting port, a scraper assembly is also slidably arranged on the frame, and the scraper assembly is located below the mounting plate, and slides back and forth to scrape off the injection molding flash, an angle cylinder is also arranged between the two mounting ports, a rotating rod is arranged on the piston rod of the angle cylinder, and a pressure block for pressing the plastic box is arranged at the end of the rotating rod, and the scraper assembly and the angle cylinder perform corresponding operations through a control device.

[0006] Preferably, the scraper assembly comprises two symmetrically arranged first fixed plates, two second fixed plates, a sliding seat and a motor, the first fixed plates and the second fixed plates are fixed on the frame respectively, the two first fixed plates are provided with fixed seats, a screw is provided between the two fixed seats, the motor is fixedly mounted on one of the fixed seats, and the output shaft of the motor is connected to the screw, the second fixed plate is provided with a first groove and a second groove, the support plate is provided in the first groove, a slide rail is provided on the second groove, the sliding seat is slidably mounted on the two slide rails for moving work, and the sliding seat is located between the two support plates, two sets of scraper devices are provided on the sliding seat, and the scraper devices slide back and forth correspondingly below the mounting port.

[0007] Preferably, the scraper device comprises a through hole, a knife seat and a blade, the through hole and the knife seat are both formed on a sliding seat, and the knife seat is located on one side edge of the through hole, the through hole is arranged at an oblique angle relative to the sliding seat, the blade is fixed on the knife seat, and the outer end of the blade extends out of the knife seat and is located above the through hole.

[0008] Preferably, two of the through holes are arranged side by side, and the outer end surface of the blade is formed with a bevel and inclined toward the through hole.

[0009] Preferably, positioning guide blocks are arranged at intervals on the sides of the installation opening, and the side of the positioning guide block facing the installation opening is arranged in an inclined surface, so that the positioning guide block is narrow at the top and wide at the bottom.

[0010] Preferably, the inner wall of the installation opening is provided with a circle of positioning bosses, the injection molding flash port of the plastic box is clamped on the positioning bosses, and a gap is formed between the bottom of the injection molding flash and the bottom of the installation opening.

[0011] Preferably, the above also includes a waste guide frame, one end of which is fixed to the frame, and a waste collection box is arranged below the other end, and the waste guide frame is located below the scraper assembly.

[0012] Compared with the prior art, the utility model has the following beneficial effects:

[0013] (1) The device of the utility model has a simple structure and can be installed on a plastic box molding device. The plastic box is installed on the installation opening of the installation platform through an automated structure such as a manipulator. Then, the scraper assembly and the corner cylinder are controlled to work through the operation of the control device to automatically scrape off the injection molding flash of the plastic box on the installation platform, which greatly reduces manual operation, improves processing efficiency and processing accuracy, and also reduces processing costs to a certain extent. It can also prevent accidental damage to the plastic box body caused by manual operation, thereby improving the processing qualification rate of the product;

[0014] (2) The plastic box is fixed by a clamping method controlled by an angle cylinder linkage. The angle cylinder balances and applies a constant pressure and maintains a stable pressing state. This can improve the balance of force on the plastic box at the installation port and the consistency of the force state of each plastic box, improve the positioning accuracy of the plastic box, and ensure the accuracy of scraping off the injection burrs. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the structure of the utility model;

[0016] Figure 2 for Figure 1 A schematic diagram of the enlarged structure of the middle part A;

[0017] Figure 3 Partial structural diagram of the utility model

[0018] Figure 4 for Figure 3 Schematic diagram of the enlarged structure of part B in the middle.

[0019] In the figure: 1-frame; 2-support plate; 3-mounting plate; 4-plastic box; 5-corner cylinder; 6-rotating rod; 7-pressing block; 8-first fixed plate; 9-second fixed plate; 10-sliding seat; 11-motor; 12-screw; 13-slide rail; 14-through hole; 15-knife seat; 16-blade; 17-positioning guide block; 18-waste guide frame; 19-waste collection box; 301-mounting port; 302-positioning boss; 901-first groove; 902-second groove. DETAILED DESCRIPTION

[0020] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0021] like Figure 1-4As shown, a device for scraping off injection molding flash of a plastic box comprises a frame 1, a mounting platform is arranged on the frame 1, the mounting platform comprises two support plates 2, and one side of the support plate 2 is fixed on the frame 1, and a mounting plate 3 is arranged between the other sides, at least one row of mounting openings 301 is arranged on the mounting plate 3, and two mounting openings 301 are arranged in each row, the injection molding flash port of the plastic box 4 is sleeved to the mounting opening 301 for fixing, and the injection molding flash is exposed outside the mounting opening 301, a scraper assembly is also slidably arranged on the frame 1, and the scraper assembly is located below the mounting plate 3, and slides back and forth to scrape off the injection molding flash, and an angle cylinder 5 is also arranged between the two mounting openings 301, a rotating rod 6 is arranged on the piston rod of the angle cylinder 5, and a pressing block 7 for pressing the plastic box 4 is arranged at the end of the rotating rod 6, and the scraper assembly and the angle cylinder 5 perform corresponding work through the control device.

[0022] According to usage requirements, the device of the utility model can be installed on a plastic box molding device to form automated production of plastic boxes. The plastic box 4 is installed on the mounting port 301 of the mounting platform through existing automated structures such as manipulators, and then the scraper assembly and the corner cylinder 5 are controlled to work through the operation of the control device on the main equipment, so as to automatically scrape off the injection molding flash of the plastic box 4 on the mounting platform, which greatly reduces manual operation, improves processing efficiency and processing accuracy, and also reduces processing costs to a certain extent. It can also prevent accidental damage to the plastic box body due to manual operation, and improve the processing qualification rate of the product.

[0023] The plastic box 4 is fixed by a clamping method controlled by a rotating cylinder 5. The rotating cylinder 5 applies a constant pressing force in a balanced manner and maintains a stable pressing state. This can improve the balance of force on the plastic box 4 at the installation port 301 and the consistency of the force state of each plastic box, improve the positioning accuracy of the plastic box 4, and ensure the accuracy of scraping off the injection burrs.

[0024] Furthermore, the scraper assembly includes two symmetrically arranged first fixed plates 8, two second fixed plates 9, a sliding seat 10 and a motor 11. The first fixed plates 8 and the second fixed plates 9 are fixed on the frame 1 accordingly. The two first fixed plates 8 are provided with fixed seats, a screw 12 is provided between the two fixed seats, the motor 11 is fixedly installed on one of the fixed seats, and the output shaft of the motor 11 is connected to the screw 12. The second fixed plate 9 is provided with a first groove 901 and a second groove 902. The support plate 2 is provided in the first groove 901, and a slide rail 13 is provided on the second groove 902. The sliding seat 10 is slidably installed on the two slide rails 13 for moving work, and the sliding seat 10 is located between the two support plates 2. Two sets of scraper devices are provided on the sliding seat 10, and the scraper devices slide back and forth correspondingly below the mounting port 301.

[0025] The above design has a simple structure. According to needs, multiple rows of mounting openings 301 can be set on the mounting plate 3 for mounting the plastic box 4. Then, the scraper assembly can be repeatedly cycled back and forth to scrape off the burrs of the plastic boxes 4 on the multiple rows of mounting openings 301, thereby greatly improving the processing efficiency. The design of the first groove 901 is conducive to the positioning and installation of the mounting platform, thereby improving the installation stability of the plastic box 4, thereby improving the scraping accuracy.

[0026] Furthermore, the scraper device includes a through hole 14, a knife seat 15 and a blade 16. The through hole 14 and the knife seat 15 are both formed on the sliding seat 10, and the knife seat 15 is located at one side edge of the through hole 14. The through hole 14 is arranged at an oblique angle relative to the sliding seat 10. The blade 16 is fixed on the knife seat 1, and the outer end of the blade 16 extends out of the knife seat 1 and is located above the through hole 14. Two through holes 14 are arranged side by side. The outer end surface of the blade 16 is formed with an inclined surface and is inclined toward the through hole 14. The above design enables the blade 16 to scrape the injection burrs of the plastic box 4 with an oblique blade edge, improves the scraping accuracy and efficiency, and thus ensures the processing efficiency of the product.

[0027] Furthermore, positioning guide blocks 17 are arranged at intervals on the sides of the installation opening 301, and the side of the positioning guide blocks 17 facing the installation opening 301 is arranged in an inclined surface, so that the positioning guide blocks 17 are narrow at the top and wide at the bottom. In the above design, through the arrangement of the positioning guide blocks 17, multiple guide blocks can be designed as needed, which is conducive to the plastic box 4 being installed more smoothly and stably at the installation hole 301, ensuring the installation stability of the plastic box 4, thereby improving the effectiveness of scraping off the burrs.

[0028] Furthermore, the inner wall of the installation opening 301 is provided with a circle of positioning bosses 302, and the injection molding flash port of the plastic box 4 is stuck on the positioning bosses 302, and the bottom of the injection molding flash forms a gap with the bottom of the installation opening 301. The above design can make the installation of the plastic box 4 more stable and facilitate the scraping of the burrs.

[0029] Furthermore, it also includes a waste guide frame 18, one end of which is fixed on the frame 1, and a waste collection box 19 is provided below the other end, and the waste guide frame 18 is located below the scraper assembly. With the above design, the scraped burrs fall from the through hole 15 onto the waste guide frame 18, and then slide into the waste collection box 19 for collection and treatment, thereby improving the quality of the processing environment.

[0030] The above are only preferred embodiments of the present invention, and do not limit the implementation mode and protection scope of the present invention. Those skilled in the art should be aware that all solutions obtained by equivalent substitutions and obvious changes made using the description and illustrations of the present invention should be included in the protection scope of the present invention.

Claims

1. A device for scraping off the injection molding flash of a plastic box, comprising a frame, characterized in that: The frame is provided with a mounting platform, and the mounting platform includes two supporting plates, and one side of the supporting plate is fixed on the frame, and a mounting plate is provided between the other sides, and at least one row of mounting ports is provided on the mounting plate, and each row is provided with two mounting ports, and the injection molding flash port sleeve of the plastic box is fixed to the mounting port, and the injection molding flash is exposed outside the mounting port, and a scraper assembly is also slidably provided on the frame, and the scraper assembly is located below the mounting plate, and slides back and forth to scrape off the injection molding flash, and an angle cylinder is also provided between the two mounting ports, and a rotating rod is provided on the piston rod of the angle cylinder, and a pressure block for pressing the plastic box is provided at the end of the rotating rod, and the scraper assembly and the angle cylinder perform corresponding work through the control device.

2. The device for scraping off injection molding flash of plastic boxes according to claim 1, characterized in that: The scraper assembly includes two symmetrically arranged first fixed plates, two second fixed plates, a sliding seat and a motor, the first fixed plates and the second fixed plates are fixed on the frame accordingly, the two first fixed plates are provided with fixed seats, a screw is provided between the two fixed seats, the motor is fixedly mounted on one of the fixed seats, and the output shaft of the motor is connected to the screw, the second fixed plate is provided with a first groove and a second groove, the support plate is provided in the first groove, a slide rail is provided on the second groove, the sliding seat is slidably mounted on the two slide rails for moving work, and the sliding seat is located between the two support plates, two sets of scraper devices are provided on the sliding seat, and the scraper devices slide back and forth correspondingly below the mounting port.

3. The device for scraping off injection molding flash of plastic boxes according to claim 2, characterized in that: The scraper device includes a through hole, a knife seat and a blade. The through hole and the knife seat are both formed on the sliding seat, and the knife seat is located on one side edge of the through hole. The through hole is arranged at an oblique angle relative to the sliding seat. The blade is fixed on the knife seat, and the outer end of the blade extends out of the knife seat and is located above the through hole.

4. The device for scraping off injection molding flash of plastic boxes according to claim 3, characterized in that: Two through holes are arranged side by side, and the outer end surface of the blade is formed with a slope and is inclined toward the through hole.

5. The device for scraping off injection molding flash of plastic boxes according to claim 1, characterized in that: Positioning guide blocks are arranged at intervals on the sides of the installation opening, and the side of the positioning guide block facing the installation opening is arranged in an inclined surface, so that the positioning guide block is narrow at the top and wide at the bottom.

6. The device for scraping off injection molding flash of plastic boxes according to claim 1, characterized in that: The inner wall of the installation opening is provided with a circle of positioning bosses, the injection molding flash port of the plastic box is clamped on the positioning bosses, and a gap is formed between the bottom of the injection molding flash and the bottom of the installation opening.

7. A device for scraping off injection molding flash of plastic boxes according to any one of claims 1 to 6, characterized in that: It also includes a waste guide frame, one end of which is fixed on the frame, and a waste collection box is arranged below the other end. The waste guide frame is located below the scraper assembly.