Plastic part polishing jig
By designing a plastic parts grinding fixture that includes a base, a front and rear adjustment mechanism, a rotation mechanism, and a nozzle, the problems of time-consuming and dusty traditional manual grinding are solved, achieving efficient and uniform grinding of plastic parts and environmental cleanliness.
Patent Information
- Application Number
- CN202520059465.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-10
- Publication Date
- 2026-01-23
- Estimated Expiration
- 2035-01-10
AI Technical Summary
Traditional manual sanding of plastic parts is time-consuming and produces inconsistent quality, resulting in serious dust pollution that affects product quality and the health of operators.
A plastic part grinding fixture was designed, comprising a base, a front and rear adjustment mechanism, a rotation mechanism, a nozzle, and a grinding mechanism. It achieves all-round grinding through screw rotation and translation and motor drive, reduces dust by spraying water from the nozzle, and uses a metal sleeve rod and magnetic block to fix the plastic part, thereby improving grinding efficiency and quality.
It achieves efficient and uniform grinding of plastic parts, reduces dust pollution, and improves grinding quality and the safety of the working environment.
Smart Images
Figure CN223820259U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of plastic parts grinding and processing technology, and in particular to a plastic parts grinding fixture. Background Technology
[0002] In the processing and manufacturing of plastic parts, the polishing process plays a crucial role. It not only directly affects the appearance quality of the final product, such as gloss, smoothness and overall aesthetics, but also profoundly influences the surface finish, which is an important indicator for measuring the quality of plastic parts.
[0003] Traditional sanding methods mostly rely on manual operation. While this method can meet the sanding needs of small-scale or specific-shaped plastic parts to some extent, manual sanding is often time-consuming, and due to the uncontrollability of human factors, it is difficult to maintain consistent sanding quality. Problems such as uneven sanding, over-sanding, or under-sanding are prone to occur, thus affecting the overall quality of the product. In addition, traditional sanding processes generate a lot of dust pollution during operation. This dust not only permeates the air, deteriorating the working environment, but also poses a certain threat to the health of operators. Utility Model Content
[0004] This utility model proposes a grinding fixture for plastic parts, which solves the existing problems.
[0005] To achieve the above objectives, the present invention adopts the following technical solution: a plastic part grinding fixture, comprising a base, a front-to-back adjustment mechanism connected above the base, the front-to-back adjustment mechanism being a screw rotation and translation structure, a rotating mechanism connected above the front-to-back adjustment mechanism, a plastic part fixed above the rotating mechanism, the rotating mechanism being used to drive the plastic part to rotate and adjust the grinding angle, multiple sets of nozzles connected to one side of the base, and an up-and-down adjustment mechanism connected to the other side of the base, the up-and-down adjustment mechanism being a screw rotation and up-and-down movement structure, a grinding mechanism connected inside the up-and-down adjustment mechanism, the grinding mechanism comprising a second turntable and a grinding disc, a Velcro adhesive structure provided between the second turntable and the grinding disc, the second turntable and the grinding disc being used to cooperate to switch different grinding grits.
[0006] Preferably, the front and rear adjustment mechanism includes a worktable connected to the top of the base, and a waterproof cloth is connected to the outside of the worktable. First moving rings are symmetrically connected to both sides inside the worktable. A first lead screw is connected inside the first moving ring. A synchronous belt is connected to the outside of one end of the first lead screw. A first rotating rod is connected to the other end of the synchronous belt. A first motor is connected to one end of the first rotating rod.
[0007] Preferably, the rotating mechanism includes a first turntable, a second motor connected below the first turntable, a pad connected above the first turntable, a metal sleeve connected above the pad, a plastic part connected to the upper end of the metal sleeve, and a magnetic block connected to the upper end of the plastic part.
[0008] Preferably, each nozzle is connected to a first water pipe on one side, and the lower end of the first water pipe is connected to a second water pipe, one end of which is connected to a water supply device.
[0009] Preferably, the up-down adjustment mechanism includes a second lead screw, the lower end of which is connected to a third motor, and two second moving rings are connected to the outside of the second lead screw, with an outer frame connected to the outside of the second moving rings.
[0010] Preferably, the grinding mechanism further includes a rotating square cylinder, with a fourth motor connected to both ends of the rotating square cylinder, and a first square groove spaced apart in a parallel direction inside the rotating square cylinder, and a second square groove spaced apart in a vertical direction on one side of the first square groove.
[0011] Preferably, a fifth motor is connected inside both the first square groove and the second square groove, and one end of the fifth motor is connected to a second turntable via a rotating rod, and a grinding disc is connected to one side of the second turntable.
[0012] The beneficial effects of this utility model are as follows: By rotating the first lead screw, the first moving ring moves, and the first moving ring drives the worktable to move back and forth along the first lead screw. By rotating the second lead screw, the second moving ring moves, and the second moving ring drives the outer frame to move up and down. In conjunction with the first turntable driving the plastic part to rotate, the plastic part can be easily polished from all directions, improving polishing efficiency. The metal sleeve rod and the magnetic block cooperate with each other to quickly fit and fix the plastic part without displacement during polishing, improving polishing efficiency and quality. During polishing, water is supplied to the second water pipe through the water supply equipment. The water flow is sprayed from the nozzle onto the plastic part through the second water pipe and the first water pipe, effectively reducing dust emission during polishing and reducing dust pollution to the working environment and operators. Attached Figure Description
[0013] Figure 1 This is a schematic diagram of the structure of this utility model.
[0014] Figure 2 This is a schematic diagram of the waterproof cloth of this utility model.
[0015] Figure 3 This is a schematic diagram of the front and rear adjustment mechanism of this utility model.
[0016] Figure 4 This is a schematic diagram of the rotating mechanism of this utility model.
[0017] Figure 5 This is a schematic diagram of the grinding mechanism of this utility model.
[0018] The diagram is labeled as follows: 1. Base; 2. Front and rear adjustment mechanism; 201. Workbench; 202. Waterproof cloth; 203. First moving ring; 204. First lead screw; 205. Synchronous belt; 206. First rotating rod; 207. First motor; 3. Rotation mechanism; 301. First turntable; 302. Second motor; 303. Pad; 304. Metal sleeve rod; 305. Magnetic block; 4. Plastic part; 5. Nozzle; 501. First water pipe; 502. Second water pipe; 6. Up and down adjustment mechanism; 601. Second lead screw; 602. Third motor; 603. Second moving ring; 604. Outer frame; 7. Grinding mechanism; 701. Second turntable; 702. Grinding disc; 703. Rotating square cylinder; 704. Fourth motor; 705. First square groove; 706. Second square groove; 707. Fifth motor. Detailed Implementation
[0019] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments.
[0020] Reference Figures 1-5 A plastic part polishing fixture includes a base 1, a front-to-back adjustment mechanism 2 connected above the base 1, the front-to-back adjustment mechanism 2 being a screw rotation and translation structure, a rotation mechanism 3 connected above the front-to-back adjustment mechanism 2, a plastic part 4 fixed above the rotation mechanism 3, the rotation mechanism 3 being used to drive the plastic part 4 to rotate and adjust the polishing angle, multiple sets of nozzles 5 connected to one side of the base 1, and an up-and-down adjustment mechanism 6 connected to the other side of the base 1, the up-and-down adjustment mechanism 6 being a screw rotation and up-and-down movement structure, a polishing mechanism 7 connected inside the up-and-down adjustment mechanism 6, the polishing mechanism 7 including a second turntable 701 and a polishing disc 702, a Velcro adhesive structure provided between the second turntable 701 and the polishing disc 702, the second turntable 701 and the polishing disc 702 being used to switch different polishing grits.
[0021] Reference Figure 2 , Figure 3The front and rear adjustment mechanism 2 includes a worktable 201, which is connected to the top of the base 1. A waterproof cloth 202 is connected to the outside of the worktable 201. A first moving ring 203 is symmetrically connected to both sides inside the worktable 201. A first lead screw 204 is connected inside the first moving ring 203. A synchronous belt 205 is connected to the outside of one end of the first lead screw 204. A first rotating rod 206 is connected to the other end of the synchronous belt 205. A first motor 207 is connected to one end of the first rotating rod 206. Rotating the first lead screw 204 drives the first moving ring 203 to move. The movement of the first moving ring 203 drives the worktable 201 to move and adjust along the first lead screw 204.
[0022] Reference Figure 4 The rotating mechanism 3 includes a first turntable 301, a second motor 302 connected below the first turntable 301, a pad 303 connected above the first turntable 301, a metal sleeve rod 304 connected above the pad 303, a plastic part 4 connected to the upper end of the metal sleeve rod 304, a magnetic block 305 connected to the upper end of the plastic part 4, a first water pipe 501 connected to one side of each nozzle 5, and a second water pipe 502 connected to the lower end of the first water pipe 501. One end of the second water pipe 502 is connected to a water supply device. When polishing the plastic part 4, the plastic part 4 is fitted onto the metal sleeve rod 304, and then the magnetic block 305 is pressed onto the plastic part 4 for fixation. Rotating the first turntable 301 drives the plastic part 4 to rotate, making the polishing more uniform.
[0023] Reference Figure 5 The up-and-down adjustment mechanism 6 includes a second lead screw 601, the lower end of which is connected to a third motor 602. Two second moving rings 603 are connected to the outside of the second lead screw 601, and an outer frame 604 is connected to the outside of the second moving rings 603. The grinding mechanism 7 also includes a rotating square cylinder 703, with a fourth motor 704 connected to both ends of the rotating square cylinder 703. The rotating square cylinder 703 has first square grooves 705 spaced parallel to each other inside, and second square grooves 706 spaced perpendicularly to one side of each first square groove 705. The first square grooves 705 and the second... Both square grooves 706 are internally connected to a fifth motor 707, and one end of the fifth motor 707 is connected to a second turntable 701 via a rotating rod. A grinding disc 702 is connected to one side of the second turntable 701. Rotating the second lead screw 601 drives the second moving ring 603 to move. The movement of the second moving ring 603 drives the outer frame 604 to adjust up and down. By attaching round bristles to one side of the grinding disc 702 and barbs to the outside of the second turntable 701, it is convenient for the second turntable 701 and the grinding disc 702 to be glued and fixed with Velcro and to be removed and replaced.
[0024] Working principle: First, the plastic part 4 is fitted onto the metal sleeve rod 304. Then, the magnetic block 305 is fixed above the plastic part 4. A suitable grinding disc 702 is selected and connected to one side of the second turntable 701. The first motor 207 is started to rotate the first rotating rod 206. The rotation of the first rotating rod 206 drives the synchronous belt 205, which in turn drives the first lead screw 204 to rotate, causing the first moving ring 203 to move. The movement of the first moving ring 203 causes the worktable 201 to move and adjust. At the same time, the third motor 60 is started. 2. Rotate the second lead screw 601. The second lead screw 601 drives the second moving ring 603 to move up and down. The second moving ring 603 drives the outer frame 604 to move up and down for adjustment. Start the fifth motor 707 to rotate the second turntable 701 and the grinding disc 702. In conjunction with starting the second motor 302, rotate the first turntable 301, driving the metal sleeve rod 304 and the plastic part 4 to rotate and grind. The water supply equipment supplies water to the first water pipe 501 through the second water pipe 502. The water flow is sprayed from the nozzle 5 onto the plastic part 4 to prevent dust from escaping.
[0025] The above description is only a preferred embodiment of the present utility model, but the protection scope of the present utility model is not limited thereto. Any equivalent substitutions or changes made by those skilled in the art within the technical scope disclosed in the present utility model, based on the technical solution and the inventive concept of the present utility model, should be included within the protection scope of the present utility model.
Claims
1. A plastic parts grinding fixture, comprising a base (1), characterized in that, The base (1) is connected to a front-to-back adjustment mechanism (2), which is a screw rotation and translation structure. The front-to-back adjustment mechanism (2) is connected to a rotation mechanism (3), and a plastic part (4) is fixed on the rotation mechanism (3). The rotation mechanism (3) is used to drive the plastic part (4) to rotate and adjust the polishing angle. The base (1) is connected to multiple sets of nozzles (5) on one side, and the base (1) is connected to an up-and-down adjustment mechanism (6) on the other side. The up-and-down adjustment mechanism (6) is a screw rotation and up-and-down movement structure. The up-and-down adjustment mechanism (6) is connected to a polishing mechanism (7) inside. The polishing mechanism (7) includes a second turntable (701) and a polishing disc (702). A Velcro adhesive structure is provided between the second turntable (701) and the polishing disc (702). The second turntable (701) and the polishing disc (702) are used to switch between different polishing grits.
2. The plastic part grinding fixture according to claim 1, characterized in that, The front and rear adjustment mechanism (2) includes a worktable (201), which is connected to the top of the base (1). A waterproof cloth (202) is connected to the outside of the worktable (201). A first moving ring (203) is symmetrically connected to both sides inside the worktable (201). A first lead screw (204) is connected inside the first moving ring (203). A synchronous belt (205) is connected to the outside of one end of the first lead screw (204). A first rotating rod (206) is connected to the other end of the synchronous belt (205). A first motor (207) is connected to one end of the first rotating rod (206).
3. A plastic parts grinding fixture according to claim 1, characterized in that, The rotating mechanism (3) includes a first turntable (301), a second motor (302) is connected below the first turntable (301), a pad (303) is connected above the first turntable (301), a metal sleeve (304) is connected above the pad (303), a plastic part (4) is connected to the upper end of the metal sleeve (304), and a magnetic block (305) is connected to the upper end of the plastic part (4).
4. A plastic parts grinding fixture according to claim 1, characterized in that, Each nozzle (5) is connected to a first water pipe (501) on one side. The lower end of the first water pipe (501) is connected to a second water pipe (502). One end of the second water pipe (502) is connected to a water supply device.
5. A plastic parts grinding fixture according to claim 1, characterized in that, The up-down adjustment mechanism (6) includes a second lead screw (601), the lower end of which is connected to a third motor (602), and two second moving rings (603) are connected to the outside of the second lead screw (601), with an outer frame (604) connected to the outside of the second moving rings (603).
6. A plastic parts grinding fixture according to claim 1, characterized in that, The grinding mechanism (7) also includes a rotating square tube (703), with a fourth motor (704) connected to both ends of the rotating square tube (703), and a first square groove (705) spaced out in parallel direction inside the rotating square tube (703), and a second square groove (706) spaced out in vertical direction on one side of the first square groove (705).
7. A plastic part grinding fixture according to claim 6, characterized in that... The first square groove (705) and the second square groove (706) are both connected to a fifth motor (707), and one end of the fifth motor (707) is connected to a second turntable (701) through a rotating rod. A grinding disc (702) is connected to one side of the second turntable (701).