Polishing device for automotive trim plastic part
By designing a bidirectional lead screw and threaded rod, combined with motor drive and gear meshing, the problem of unstable fixing of the plastic parts grinding device was solved, achieving precise clamping and uniform grinding, thus improving grinding accuracy and quality.
Patent Information
- Application Number
- CN202520144248.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-21
- Publication Date
- 2026-01-09
- Estimated Expiration
- 2035-01-21
AI Technical Summary
Existing grinding equipment for automotive interior plastic parts cannot stably hold the plastic parts in place, which can easily cause them to shift during the grinding process, affecting accuracy and quality.
The design employs a combination of a two-way lead screw and a sleeve block to achieve synchronous movement and precise positioning of the clamping plate. The descent depth of the grinding disc is precisely controlled through the cooperation of the threaded rod and the threaded sleeve. Combined with motor drive and gear meshing, the stability and accuracy of clamping and grinding are ensured.
It improves the precision and stability of clamping and grinding, adapts to plastic parts of different sizes and shapes, avoids deformation or damage of plastic parts, achieves uniform and consistent grinding effect, and improves grinding quality.
Smart Images
Figure CN223776795U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to plastic parts polishing technical field more specifically, the utility model relates to a kind of automobile interior plastic parts polishing device. BACKGROUND
[0002] A kind of automobile interior plastic parts polishing device refers to the mechanical equipment specially designed for the surface polishing treatment of automobile interior decoration plastic parts.The device is usually combined with motor drive, fixture system, polishing tool and control system Key components, aims at realizing efficient, accurate and consistent polishing operation.The purpose is to remove the defects on the surface of plastic parts, enhance surface gloss or realize specific texture effect, so as to improve the overall appearance and texture of automobile interior.This kind of device needs to have good stability, adaptability and operation convenience to meet the polishing needs of plastic parts of different sizes, shapes and materials.The existing plastic parts polishing device faces a significant problem in use: it cannot stably fix plastic parts.This leads to deviation of plastic parts during polishing, and then produces error.This instability not only affects the accuracy of polishing, but also can cause uneven wear or scratches on the surface of plastic parts.In order to improve the processing quality and accuracy of plastic parts, the problem of unstable fixation must be solved.Therefore, it is particularly important to develop a polishing device that can stably fix plastic parts, reduce deviation and error.This will help to ensure that plastic parts remain in place during polishing, so as to achieve more accurate and uniform polishing effect. SUMMARY
[0003] In order to overcome the shortcomings of the prior art, the utility model provides a kind of automobile interior plastic parts polishing device, with the advantage that plastic parts are polished and limited.
[0004] To achieve the above object, the utility model provides the following technical scheme: a kind of automobile interior plastic parts polishing device, including workbench, the top of the workbench is fixedly installed with limit frame, the inside of the limit frame is equipped with sliding slot, the inside of the sliding slot is movably installed with sleeve block, the inside of the sleeve block is threadedly connected with bidirectional screw rod, and the two ends of the bidirectional screw rod penetrate into the inside of the limit frame, one end of the bidirectional screw rod is fixedly installed with hand lever, the front surface of the sleeve block is fixedly installed with moving plate, the inner side of the moving plate is fixedly installed with telescopic rod, the inside one end of the telescopic rod is fixedly installed with clamping plate, the clamping plate and the moving plate are fixedly installed with spring.
[0005] As a preferred technical scheme of the utility model, the top of the workbench is fixedly installed with a fixed support, the bottom of the fixed support is fixedly installed with a box body, a threaded sleeve is movably installed in the box body, a threaded rod is threadedly sleeved in the threaded sleeve, and one end of the threaded rod penetrates into the fixed support, a first gear is fixedly installed at one end of the threaded rod, the top of the fixed support is fixedly installed with a box body, a first motor is fixedly installed at the top of the box body, a second gear is fixedly installed at the output end of the box body, and the teeth of the second gear are engaged with the teeth of the first gear, a second motor is fixedly installed at the bottom of the threaded sleeve, and a grinding disc is fixedly installed at the bottom of the second motor.
[0006] As a preferred technical scheme of the utility model, the inside of the workbench is provided with a positioning hole, a fixed block is movably installed in the positioning hole, and a tool box is fixedly installed on the front face of the fixed block.
[0007] As a preferred technical scheme of the utility model, the bottom of the workbench is fixedly installed with a support plate, and a fixed plate is fixedly installed between the two support plates.
[0008] As a preferred technical scheme of the utility model, the outer surface of the first motor is fixedly installed with a motor protection cover, a support column is fixedly installed between the motor protection cover and the box body, and the support column is in the form of a circumferential array.
[0009] As a preferred technical scheme of the utility model, a reinforcing rib is fixedly installed at the included angle between the support plate and the fixed plate, and the reinforcing rib is in the form of a triangle.
[0010] As a preferred technical scheme of the utility model, the inner diameter of the positioning hole is equal to the outer diameter of the fixed block, and the inside of the positioning hole is smooth.
[0011] As a preferred technical scheme of the utility model, the telescopic rods and the springs are in pairs, and there are four pairs between the moving plate and the clamping plate.
[0012] Compared with the prior art, the utility model has the beneficial effects as follows:
[0013] 1. The utility model discloses a device through the cooperation between the bidirectional screw rod and the sleeve block compared with the traditional device, the clamping efficiency and precision are improved obviously, the bidirectional screw rod has bidirectional transmission function, when the bidirectional screw rod rotates, two sleeve blocks on it can move to opposite or same direction synchronously, make the clamping plate positioning and clamping plastic piece quickly and accurately, this design not only ensures the high transmission precision in the clamping process, still keeps the stability and positional accuracy of clamping plate movement, thereby realizes the accurate clamping of plastic piece, in addition, the adjustability of bidirectional screw rod makes the clamping plate spacing be adjusted flexibly according to the size of plastic piece, guarantees the uniform distribution of clamping force, effectively avoids the deformation or damage of plastic piece because of uneven clamping, enhances the clamping stability, is applicable to different size plastic piece.
[0014] 2. The utility model discloses a device through the cooperation between the threaded rod and the threaded sleeve compared with the traditional device, it is convenient to drive the slow decline of polishing disc, then polishes plastic piece, realizes the accurate control of polishing disc decline depth, this design has self-locking and stability, can accurately adjust the lifting height through rotating threaded sleeve, avoids excessive or deficient polishing, ensures that plastic piece surface reaches the expected effect, simultaneously, threaded cooperation structure is stable, guarantees the stability of polishing disc in the decline process, realizes uniform, consistent polishing, improves polishing precision and surface quality, in addition, the device is through the height of threaded rod adjustment, flexible adaptation different thickness, shape's plastic piece polishing demand, shows the high adjustability and flexibility, is applicable to various polishing scenes and workpiece requirement. DRAWINGS
[0015] Figure 1 It is the front perspective appearance structure schematic diagram of the utility model;
[0016] Figure 2 It is the side perspective appearance structure schematic diagram of the utility model;
[0017] Figure 3 It is the threaded rod section structure schematic diagram of the utility model;
[0018] Figure 4 It is the utility model Figure 3 The enlarged structure schematic diagram of A place in;
[0019] Figure 5 It is the bidirectional screw rod section structure schematic diagram of the utility model;
[0020] Figure 6 It is the utility model Figure 5 The enlarged structure schematic diagram of B place in;
[0021] Figure 7 It is the clamping plate structure schematic diagram of the utility model.
[0022] In the figure: 1, workbench; 2, fixed support; 3, clamping plate; 4, moving plate; 5, telescopic rod; 6, tool box; 7, support plate; 8, fixed plate; 9, box body; 10, first motor; 11, motor protective cover; 12, support column; 13, spring; 14, polishing disc; 15, second motor; 16, fixed block; 17, bidirectional screw rod; 18, limiting frame; 19, reinforcing rib; 20, positioning hole; 21, threaded rod; 22, box; 23, first gear; 24, threaded sleeve; 25, second gear; 26, sleeve block; 27, manual rocker; 28, sliding groove. DETAILED DESCRIPTION
[0023] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.
[0024] As Figures 1 to 7 shown, the utility model discloses a kind of automobile interior plastic parts polishing device, including workbench 1, the top of workbench 1 is fixedly installed with limiting frame 18, the inside of limiting frame 18 is opened with sliding groove 28, sliding groove 28 is movably installed with sleeve block 26, sleeve block 26 is internally threaded with bidirectional screw rod 17, and the both ends of bidirectional screw rod 17 are penetrated in the inside of limiting frame 18, one end of bidirectional screw rod 17 is fixedly installed with manual rocker 27, the front of sleeve block 26 is fixedly installed with moving plate 4, the inboard of moving plate 4 is fixedly installed with telescopic rod 5, one end of telescopic rod 5 is fixedly installed with clamping plate 3 in the inside, clamping plate 3 and moving plate 4 are fixedly installed with spring 13.
[0025] Before staff polishes plastic part, need to limit and fix automobile interior plastic part, first, automobile interior plastic part is placed to the top of workbench 1, by rotating by hand manual rocker 27, by manual rocker 27 drive bidirectional screw rod 17 is rotated in the inside of sleeve block 26, so that two sleeve blocks 26 slowly close to plastic part, by sleeve block 26 drive sleeve block 26 drive moving plate 4 moves, by moving plate 4 drive telescopic rod 5 and second motor 15 synchronous movement, in by telescopic rod 5 and second motor 15 drive two clamping plates 3 to plastic part and limit fixed, to complete plastic part limit fixed.
[0026] Before polishing the plastic part, the automotive interior plastic part needs to be fixed in position first, first place the plastic part on the top of the fixed workbench 1, then hold the manual rocker 27 and rotate, drive the screw rod bidirectional screw rod 17 to rotate in the sleeve block 26 through the rotation of the manual rocker 27, make the two slide rail sleeve blocks 26 slowly close to the plastic part, at the same time, drive the moving plate 4 to move through the sleeve block 26, and then make the telescopic rods 5 at both ends move synchronously with the second motor 15, and finally make the two clamping plates 3 tightly adhere to the plastic part. Compared with the traditional device, the device significantly improves the clamping efficiency and accuracy through the cooperation between the bidirectional screw rod 17 and the sleeve block 26. The bidirectional screw rod 17 has a bidirectional transmission function. When the bidirectional screw rod 17 rotates, the two sleeve blocks 26 on it can move synchronously in opposite or same directions, so that the clamping plate 3 is quickly and accurately positioned and clamped to the plastic part. This design not only ensures high transmission accuracy during clamping, but also maintains the stability and position accuracy of the moving clamping plate 3, thereby achieving accurate clamping of the plastic part. In addition, the adjustability of the bidirectional screw rod allows the spacing between the clamping plates 3 to be adjusted flexibly according to the size of the plastic part, ensuring uniform distribution of clamping force and effectively preventing deformation or damage of the plastic part due to uneven clamping, thereby enhancing clamping stability and being suitable for plastic parts of different sizes.
[0027] The top of the workbench 1 is fixedly installed with a fixed support 2, the bottom of the fixed support 2 is fixedly installed with a box body 22, the inside of the box body 22 is movably installed with a threaded sleeve 24, the inside of the threaded sleeve 24 is threadedly sleeved with a threaded rod 21, one end of the threaded rod 21 penetrates into the inside of the fixed support 2, one end of the threaded rod 21 is fixedly installed with a first gear 23, the top of the fixed support 2 is fixedly installed with a box body 9, the top of the box body 9 is fixedly installed with a first motor 10, the output end of the box body 9 is fixedly installed with a second gear 25, the second gear 25 is in tooth engagement with the first gear 23, the bottom of the threaded sleeve 24 is fixedly installed with a second motor 15, the bottom of the second motor 15 is fixedly installed with a polishing disc 14.
[0028] The staff needs to polish the plastic part fixed in position, by starting the first motor 10, driving the second gear 25 to rotate in the inside of the box body 9 through the first motor 10, through the tooth engagement between the second gear 25 and the first gear 23, driving the first gear 23 to rotate through the second gear 25, driving the threaded rod 21 to rotate in the inside of the threaded sleeve 24 through the first gear 23, making the threaded sleeve 24 slowly descend in the inside of the box body 22, and making the second motor 15 and the polishing disc 14 descend to the bottom of the interior plastic part through the threaded sleeve 24, at the same time, starting the second motor 15, driving the polishing disc 14 to rotate through the second motor 15, polishing the plastic part through the polishing disc 14, thereby completing the polishing of the plastic part.
[0029] To polish the plastic part that has been fixed in place, the first motor 10 is activated, which drives the second gear 25 to rotate inside the housing 9. The second gear 25 meshes with the first gear 23, causing the first gear 23 to rotate. The first gear 23 then drives the threaded rod 21 to rotate inside the threaded sleeve 24, causing the threaded sleeve 24 to slowly descend inside the housing 22. The threaded sleeve 24 then drives the second motor 15 and the polishing disc 14 to descend to the bottom of the interior plastic part. Simultaneously, the second motor 15 is activated, driving the polishing disc 14 to rotate, thus polishing the plastic part. This process differs from traditional methods. In comparison, this device, through the cooperation between the threaded rod 21 and the threaded sleeve 24, facilitates the slow descent of the grinding disc 14 for grinding plastic parts. This achieves precise control over the descent depth of the grinding disc. The design features self-locking and stability. By rotating the threaded sleeve 24, the lifting height can be precisely adjusted to avoid over- or under-grinding, ensuring that the surface of the plastic parts achieves the desired effect. At the same time, the stable threaded structure ensures the stability of the grinding disc during descent, achieving uniform and consistent grinding, improving grinding accuracy and surface quality. Furthermore, by adjusting the height of the threaded rod, this device can flexibly adapt to the grinding needs of plastic parts of different thicknesses and shapes, demonstrating a high degree of adjustability and flexibility, suitable for various grinding scenarios and workpiece requirements.
[0030] The workbench 1 has a positioning hole 20 inside, a fixing block 16 is movably installed inside the positioning hole 20, and a toolbox 6 is fixedly installed on the front of the fixing block 16.
[0031] By holding the toolbox 6, the fixing block 16 is slowly inserted into the positioning hole 20. The positioning hole 20 limits and fixes the fixing block 16. By adding the toolbox 6, it is convenient for the staff to take out and place tools inside the toolbox 6 for use.
[0032] Among them, a support plate 7 is fixedly installed at the bottom of the workbench 1, and a fixing plate 8 is fixedly installed between the two support plates 7.
[0033] The cooperation between the support plate 7 and the fixed plate 8 facilitates stable support for the workbench 1, and the workbench 1 supports the interior plastic parts, ensuring the stability of the interior plastic parts during the polishing process.
[0034] Among them, a motor protective cover 11 is fixedly installed on the outer surface of the first motor 10, and a support column 12 is fixedly installed between the motor protective cover 11 and the box 9, and the support column 12 is in the form of a circular array.
[0035] The support column 12 is in the form of a circumferential array, and the first motor 10 is stably supported by the cooperation between the motor protection cover 11 and the box body 9, and the cooperation between the box body 9 and the motor protection cover 11.
[0036] The reinforcing rib 19 is fixedly installed at the included angle between the support plate 7 and the fixed plate 8, and the reinforcing rib 19 is in the form of a triangle.
[0037] The reinforcing rib 19 is in the form of a triangle at the included angle between the support plate 7 and the fixed plate 8, and the triangle has the characteristic of stability, so that the stability of the support plate 7 and the fixed plate 8 during use is ensured.
[0038] The inner diameter of the positioning hole 20 is equal to the outer diameter of the fixed block 16, and the inside of the positioning hole 20 is smooth.
[0039] The inside of the positioning hole 20 is smooth, and the inner diameter of the positioning hole 20 is equal to the outer diameter of the fixed block 16, so that the worker can hold the tool box 6 and slowly put the tool box 6 into the inside of the positioning hole 20, thereby improving the installation efficiency of the tool box 6.
[0040] The telescopic rods 5 and the springs 13 are in pairs, and there are four groups between the moving plate 4 and the clamping plate 3.
[0041] The telescopic rods 5 and the springs 13 are in pairs, and there are four groups between the moving plate 4 and the clamping plate 3, so that the clamping plate 3 is stably supported by the cooperation between the telescopic rods 5 and the springs 13, and the limiting and fixing efficiency of the two clamping plates 3 on the plastic part is ensured.
[0042] The working principle and use process of the utility model are as follows:
[0043] Before the worker grinds the plastic part, the worker needs to limit and fix the automotive interior plastic part, first puts the automotive interior plastic part on the top of the workbench 1, rotates the hand-operated rocker 27, drives the bidirectional screw rod 17 to rotate in the inside of the sleeve block 26 through the hand-operated rocker 27, slowly moves the two sleeve blocks 26 to the plastic part, drives the moving plate 4 to move through the sleeve block 26, drives the telescopic rod 5 and the second motor 15 to move synchronously through the moving plate 4, and limits and fixes the plastic part through the telescopic rod 5 and the second motor 15, so that the limiting and fixing of the plastic part is completed.
[0044] The staff needs to polish the plastic part fixed by the limiting, through opening the first motor 10, the second gear 25 is driven to rotate in the inside of the box body 9 through the first motor 10, through the tooth engagement between the second gear 25 and the first gear 23, the first gear 23 is rotated through the second gear 25, the threaded rod 21 is rotated in the inside of the threaded sleeve 24 through the first gear 23, the threaded sleeve 24 slowly descends in the inside of the box 22, the second motor 15 and the polishing disc 14 are driven to descend to the bottom of the interior plastic part through the threaded sleeve 24, at the same time, the second motor 15 is opened, the polishing disc 14 is rotated through the second motor 15, the plastic part is polished through the polishing disc 14, thereby completing the polishing of the plastic part.
[0045] It should be noted that, in this document, the terms "first" and "second" and the like are used merely to distinguish one entity or action from another, without necessarily requiring or implying any such actual relationship or order between such entities or actions. Moreover, the terms "comprises", "comprising", or any other variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can include other elements not expressly listed or inherent to such process, method, article, or apparatus.
[0046] Although the embodiments of the present application have been shown and described, it is to be understood that for the purpose of the present application, the changes, modifications, equivalents, substitutions and variations of the embodiments can be made by those skilled in the art without departing from the spirit and principles of the present application, and the scope of the present application is defined by the appended claims and their equivalents.
Claims
1. A grinding device for automotive interior plastic parts, comprising a worktable (1), characterized in that: A limiting frame (18) is fixedly installed on the top of the workbench (1). A sliding groove (28) is provided inside the limiting frame (18). A sleeve block (26) is movably installed inside the sliding groove (28). A double-acting screw rod (17) is threaded inside the sleeve block (26), and both ends of the double-acting screw rod (17) pass through the inside of the limiting frame (18). A manual crank (27) is fixedly installed at one end of the double-acting screw rod (17). A movable plate (4) is fixedly installed on the front of the sleeve block (26). A telescopic rod (5) is fixedly installed on the inner side of the movable plate (4). A clamping plate (3) is fixedly installed at one end of the telescopic rod (5). A spring (13) is fixedly installed between the clamping plate (3) and the movable plate (4).
2. The grinding device for automotive interior plastic parts according to claim 1, characterized in that: A fixed bracket (2) is fixedly installed on the top of the workbench (1). A box (22) is fixedly installed on the bottom of the fixed bracket (2). A threaded sleeve (24) is movably installed inside the box (22). A threaded rod (21) is threaded inside the threaded sleeve (24), and one end of the threaded rod (21) passes through the inside of the fixed bracket (2). A first gear (23) is fixedly installed on one end of the threaded rod (21). A box (9) is fixedly installed on the top of the fixed bracket (2). A first motor (10) is fixedly installed on the top of the box (9). A second gear (25) is fixedly installed on the output end of the box (9), and the teeth of the second gear (25) mesh with the first gear (23). A second motor (15) is fixedly installed on the bottom of the threaded sleeve (24), and a grinding disc (14) is fixedly installed on the bottom of the second motor (15).
3. The grinding device for automotive interior plastic parts according to claim 1, characterized in that: The workbench (1) has a positioning hole (20) inside, and a fixing block (16) is movably installed inside the positioning hole (20). A toolbox (6) is fixedly installed on the front of the fixing block (16).
4. The grinding device for automotive interior plastic parts according to claim 1, characterized in that: A support plate (7) is fixedly installed at the bottom of the workbench (1), and a fixing plate (8) is fixedly installed between the two support plates (7).
5. The grinding device for automotive interior plastic parts according to claim 2, characterized in that: A motor protective cover (11) is fixedly installed on the outer surface of the first motor (10). A support column (12) is fixedly installed between the motor protective cover (11) and the box (9), and the support column (12) is arranged in a circular array.
6. The grinding device for automotive interior plastic parts according to claim 4, characterized in that: A reinforcing rib (19) is fixedly installed at the angle between the support plate (7) and the fixing plate (8), and the reinforcing rib (19) is triangular in shape.
7. The grinding device for automotive interior plastic parts according to claim 3, characterized in that: The inner diameter of the positioning hole (20) is equal to the outer diameter of the fixing block (16), and the inside of the positioning hole (20) is smooth.
8. The grinding device for automotive interior plastic parts according to claim 1, characterized in that: The telescopic rod (5) and spring (13) are arranged in pairs, with a total of four pairs located between the moving plate (4) and the clamping plate (3).