A plastic shell polishing and dust removing device

By introducing a swing frame and rotating shaft structure into the plastic shell grinding dust removal equipment, the problem of inconvenient angle adjustment of the dust removal device is solved, and efficient dust absorption is achieved.

CN224488649UActive Publication Date: 2026-07-14CHONGQING JUNQIANG MOULD CO LTD

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
CHONGQING JUNQIANG MOULD CO LTD
Filing Date
2025-07-07
Publication Date
2026-07-14

AI Technical Summary

Technical Problem

In the existing technology, the angle adjustment of the dust removal device is inconvenient during the polishing process of the plastic shell, which makes it impossible to absorb dust from all directions.

Method used

A dust removal device including a dust collection box, a support frame, and a suction fan was designed. The angle of the suction pipe head can be adjusted by a swing frame and a rotating shaft structure to adapt to dust collection in different grinding directions.

Benefits of technology

It improves the efficiency of dust removal equipment, and can adjust the angle of the suction pipe head according to the grinding direction to fully absorb dust and increase the dust removal effect.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides a kind of plastic shell polishing dust removal equipment, it is related to dust removal equipment technical field, including dust collection box, support frame, dust collection box is installed with suction fan, the suction fan output end is installed with breather hose, dust collection pipe head is arranged in the lower end of pipeline, the breather hose top end is rotatably connected with the surface of pipeline upper end, the support frame, swing frame are provided with the first pivot, the second pivot of fixed positioning assembly, the utility model is pulled by staff upwards to pressboard, make positioning rod from the positioning hole inside surface of first pivot, second pivot is opened and is separated, first pivot, second pivot is not restrained at this time, first pivot, second pivot can be rotated at this time, swing frame, swing block can be swung at this time, pipeline can be swung left and right at this time, first pivot, second pivot can adjust the angle of dust collection pipe head at this time.
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Description

Technical Field

[0001] This utility model relates to the field of dust removal equipment technology, and more specifically, to a plastic shell grinding and dust removal device. Background Technology

[0002] During the production of plastic casings, a grinding device is required to polish the surface, which generates a lot of dust. For the safety of workers, dust removal is necessary. For example, patent application number CN201711403813.5 describes a dust removal device for a grinding machine, which includes a grinding bracket. The upper end of the grinding bracket is provided with a protective plate, and a sealing gasket is provided along the outer edge of the protective plate. The grinding bracket is fixed to the ground disc of the grinding machine through the protective plate and the sealing gasket. A collection wall is provided on the lower side of the grinding bracket through a mesh bracket. The collection wall has an elastic inclined side wall, and the bottom end of the collection wall is connected to a dust collection bag through a connecting ring and a constriction plate. A connecting plate is provided between the constriction plate and the dust collection bag, and an exhaust port is provided on the side wall of the connecting plate. The grinding bracket described in this invention is fixed below the grinding disc of the grinding machine by a protective plate and a sealing gasket, forming a relatively enclosed grinding space. During operation, it can collect dust to the maximum extent. The grinding bracket collects dust in a concentrated manner through continuous collection walls, constriction plates, and dust collection bags. In order to achieve directional dust collection, an exhaust port is set on the connecting plate, so that the dust moves towards the dust collection bag, achieving efficient dust collection. In the above technical solution, during the grinding of plastic shells of different specifications, the angle of dust generation is different depending on the grinding angle. After the dust removal device is installed in a suitable position, the suction angle is not easy to adjust, making it difficult to perform all-round dust collection. Utility Model Content

[0003] The main purpose of this utility model is to provide a dust removal device for grinding plastic shells, which can effectively solve the problem in the background art that when grinding plastic shells of different specifications, the angle of dust generation is different due to different grinding angles, and after the dust removal device is installed in a suitable position, the suction angle is inconvenient to adjust, making it difficult to perform comprehensive dust removal.

[0004] To achieve the above objectives, the technical solution adopted by this utility model is as follows: a plastic shell grinding and dust removal device, including a dust collection box and a support frame. A suction fan is installed on the dust collection box, and a ventilation hose is installed at the output end of the suction fan. A swing frame is rotatably installed between the inner walls of both sides of the support frame via a first rotating shaft. A swing block is rotatably installed between the inner walls of both sides of the swing frame via a second rotating shaft. A pipe is installed through the middle of the swing block. A dust suction head is provided at the lower end of the pipe. The top end of the ventilation hose is rotatably connected to the upper surface of the pipe. The support frame and the swing frame are provided with positioning components for fixing by the first rotating shaft and the second rotating shaft.

[0005] Preferably, the front surface of the dust collection box is provided with a door, and the lower surface of the dust collection box is equipped with a base.

[0006] Preferably, mounting plates are fixedly installed on both sides of the support frame, and mounting holes are provided through the mounting plates.

[0007] Preferably, the pipe is provided with threads on its circumference and the swing block is provided with a threaded sleeve in the middle, and the threaded sleeve is engaged with the threads.

[0008] Preferably, the positioning component includes a plurality of guide posts, a plurality of limiting grooves, and a plurality of positioning holes. The plurality of guide posts are respectively slidably mounted on the upper surfaces of the support frame and the swing frame. The plurality of limiting grooves are respectively opened on the upper surfaces of the support frame and the swing frame. The plurality of positioning holes are respectively equidistantly opened on the circumference of the first rotating shaft and the second rotating shaft.

[0009] Preferably, a pressure plate is fixedly installed on the upper surface of each guide post, and a reset spring is fixedly installed on the inner surface of each limiting groove, with the upper end of the reset spring disposed on the lower surface of the pressure plate.

[0010] Preferably, each pair of pressure plates is connected by a connecting rod, and a positioning rod is fixedly installed on the lower surface of the pressure plate, the positioning rod being disposed inside the positioning hole.

[0011] Compared with the prior art, the present invention has the following beneficial effects:

[0012] (1) When it is necessary to adjust the direction of the suction pipe head according to the grinding direction, the staff can pull the pressure plate upward to disengage the positioning rod from the positioning hole opened on the surface of the first and second rotating shafts. At this time, the first and second rotating shafts are no longer restricted and can rotate. This allows the swing frame and swing block to swing, and the pipe to swing left and right. This allows the angle of the suction pipe head to be adjusted. This device can adjust the angle of the suction pipe head according to the grinding direction of the plastic shell and can absorb the dust generated by the grinding of the plastic, thus increasing the dust removal efficiency of this device. Attached Figure Description

[0013] Figure 1 This is a schematic diagram of the structure of a plastic shell grinding and dust removal device according to the present invention;

[0014] Figure 2 This is a schematic side view of the overall structure of a plastic shell grinding and dust removal device according to the present invention;

[0015] Figure 3 This is a schematic diagram of the support frame structure of a plastic shell grinding and dust removal device according to the present invention;

[0016] Figure 4 This is a schematic diagram of the first rotating shaft structure of a plastic shell grinding and dust removal device according to the present invention;

[0017] Figure 5 This is a schematic diagram of the pressure plate structure of a plastic shell grinding and dust removal device according to the present invention.

[0018] In the diagram: 1. Dust collection box; 2. Box door; 3. Base; 4. Fan; 5. Ventilation hose; 6. Positioning assembly; 601. Pressure plate; 602. Guide post; 603. Limiting groove; 604. Return spring; 605. Positioning hole; 606. Connecting rod; 607. Positioning rod; 7. Pipe; 8. Thread; 9. Swing block; 10. Screw sleeve; 11. Support frame; 12. Mounting plate; 13. Mounting hole; 14. Dust suction head; 15. First rotating shaft; 16. Second rotating shaft; 17. Swing frame. Detailed Implementation

[0019] The technical solutions of this utility model will be clearly and completely described below with reference to the embodiments of this utility model. Obviously, the described embodiments are only some embodiments of this utility model, and not all embodiments. Based on the embodiments of this utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of this utility model.

[0020] like Figure 1 , 2 As shown, a plastic shell grinding and dust removal device includes a dust collection box 1 and a support frame 11. A suction fan 4 is installed on the dust collection box 1, and a ventilation hose 5 is installed at the output end of the suction fan 4. A swing frame 17 is rotatably installed between the inner walls of the two sides of the support frame 11 via a first rotating shaft 15. A swing block 9 is rotatably installed between the inner walls of the two sides of the swing frame 17 via a second rotating shaft 16. A pipe 7 is installed through the middle of the swing block 9. A dust suction head 14 is provided at the lower end of the pipe 7. The top end of the ventilation hose 5 is rotatably connected to the upper surface of the pipe 7. A positioning component 6 for fixing the support frame 11 and the swing frame 17 via the first rotating shaft 15 and the second rotating shaft 16 is provided.

[0021] like Figure 1 As shown, a door 2 is provided on the front surface of the dust collection box 1, and a base 3 is installed on the lower surface of the dust collection box 1, which facilitates the cleaning and replacement of the components inside the dust collection box 1.

[0022] like Figure 1 As shown, mounting plates 12 are fixedly installed on both sides of the support frame 11. Mounting holes 13 are provided through the mounting plates 12 to facilitate the installation of the support frame 11 by the staff.

[0023] like Figure 1As shown, the pipe 7 is provided with a thread 8 on its circumference, and the swing block 9 is provided with a threaded sleeve 10 in the middle. The threaded sleeve 10 is engaged with the thread 8. The support frame 11 is installed in a suitable position, and the vacuum cleaner head 14 can be installed. At this time, by rotating the pipe 7, the thread 8 and the threaded sleeve 10 are engaged and rotated, so that the pipe 7 can be moved upward or downward, and the vacuum cleaner head 14 can be moved to a suitable height.

[0024] like Figure 2 , 3 As shown in Figures 4 and 5, the positioning component 6 includes several guide posts 602, several limiting grooves 603, and several positioning holes 605. The guide posts 602 are slidably mounted on the upper surfaces of the support frame 11 and the swing frame 17. The limiting grooves 603 are respectively formed on the upper surfaces of the support frame 11 and the swing frame 17. The positioning holes 605 are equidistantly formed on the circumferential surfaces of the first rotating shaft 15 and the second rotating shaft 16. A pressure plate 601 is fixedly mounted on the upper surface of each guide post 602. A return spring 604 is fixedly mounted on the inner surface of each limiting groove 603. The upper end of the return spring 604 is located on the lower surface of the pressure plate 601. Every two pressure plates 601 are connected by a connecting rod 606. A positioning rod 607 is fixedly mounted on the lower surface of the pressure plate 601. The positioning rod 607 is located inside the positioning hole 605. When it is necessary to adjust the position of the suction head 14 according to the grinding direction, the operator pulls the pressure plate 601 upward to disengage the positioning rod 607 from the positioning hole 605 on the surface of the first rotating shaft 15 and the second rotating shaft 16. At this time, the first rotating shaft 15 and the second rotating shaft 16 are no longer restrained and can rotate. This allows the swing frame 17 and the swing block 9 to swing, and the pipe 7 to swing left and right. This allows the angle of the suction head 14 to be adjusted. This device can adjust the angle of the suction head 14 according to the grinding direction of the plastic shell, and can absorb the dust generated by the grinding of the plastic, thus increasing the dust removal efficiency of the device.

[0025] The working principle of this plastic shell grinding and dust removal equipment:

[0026] When using the device for dust removal, first install the support frame 11 in a suitable position. Then, the suction head 14 can be installed. The operator rotates the pipe 7, causing the thread 8 to engage with the threaded sleeve 10. This allows the pipe 7 to move upwards or downwards, moving the suction head 14 to a suitable height. When adjusting the suction head 14 according to the grinding direction, the operator pulls the pressure plate 601 upwards, causing the positioning rod 607 to move from the first rotating shaft 15, the second... When the positioning hole 605 on the surface of the second rotating shaft 16 is disengaged, the first rotating shaft 15 and the second rotating shaft 16 are no longer restrained and can rotate. This allows the swing frame 17 and the swing block 9 to swing, and the pipe 7 to swing left and right. This allows the angle of the suction head 14 to be adjusted. This device can adjust the angle of the suction head 14 according to the direction of the plastic shell grinding, and can absorb the dust generated by the plastic grinding, thus increasing the dust removal efficiency of the device.

[0027] The above embodiments of this utility model are merely examples for clearly illustrating this utility model, and are not intended to limit the implementation of this utility model. For those skilled in the art, other variations or modifications can be made based on the above description. It is impossible to exhaustively list all the implementation methods here. Any obvious variations or modifications derived from the technical solutions of this utility model are still within the protection scope of this utility model.

Claims

1. A dust removal device for grinding plastic shells, comprising a dust collection box (1) and a support frame (11), characterized in that: A suction fan (4) is installed on the dust collection box (1). A ventilation hose (5) is installed at the output end of the suction fan (4). A swing frame (17) is rotatably installed between the inner walls of the two sides of the support frame (11) via a first rotating shaft (15). A swing block (9) is rotatably installed between the inner walls of the two sides of the swing frame (17) via a second rotating shaft (16). A pipe (7) is installed through the middle of the swing block (9). A dust suction head (14) is provided at the lower end of the pipe (7). The top end of the ventilation hose (5) is rotatably connected to the upper surface of the pipe (7). A positioning component (6) is provided on the support frame (11) and the swing frame (17) for fixing by the first rotating shaft (15) and the second rotating shaft (16).

2. The plastic shell grinding and dust removal equipment according to claim 1, characterized in that; The dust collection box (1) has a door (2) on its front surface and a base (3) on its lower surface.

3. The plastic shell grinding and dust removal equipment according to claim 1, characterized in that: Mounting plates (12) are fixedly installed on both sides of the support frame (11), and mounting holes (13) are provided through the mounting plates (12).

4. The plastic shell grinding and dust removal equipment according to claim 1, characterized in that: The pipe (7) is provided with a thread (8) on its circumference, and the swing block (9) is provided with a threaded sleeve (10) in the middle, and the threaded sleeve (10) is engaged with the thread (8).

5. The plastic shell grinding and dust removal equipment according to claim 1, characterized in that: The positioning component (6) includes several guide posts (602), several limiting grooves (603), and several positioning holes (605). Several guide posts (602) are slidably installed on the upper surfaces of the support frame (11) and the swing frame (17), several limiting grooves (603) are respectively opened on the upper surfaces of the support frame (11) and the swing frame (17), and several positioning holes (605) are equidistantly opened on the circumference of the first rotating shaft (15) and the second rotating shaft (16).

6. The plastic shell grinding and dust removal equipment according to claim 5, characterized in that: A pressure plate (601) is fixedly installed on the upper surface of each guide post (602), and a reset spring (604) is fixedly installed on the inner surface of each limiting groove (603). The upper end of the reset spring (604) is located on the lower surface of the pressure plate (601).

7. The plastic shell grinding and dust removal equipment according to claim 6, characterized in that: Each pair of pressure plates (601) is connected by a connecting rod (606). A positioning rod (607) is fixedly installed on the lower surface of the pressure plate (601), and the positioning rod (607) is set inside the positioning hole (605).