Edge trimming device for automobile plastic parts

Abstract

The utility model discloses an automobile plastic part edge trimming device relates to automobile plastic part production technical field, including work table, the top of work table is provided with three -axis mobile module, the front side of three -axis mobile module is provided with the trimming machine, its characterized in that: be provided with the side change mechanism for realizing workpiece rotation on the work table, and the side change mechanism includes: clamping unit and rotation unit, and the rotation unit is set below clamping unit, including fixed mounting in work table top sleeve, and the inside rotation of sleeve installs the pivot, and the top fixed mounting of pivot has the seat board, through the first rubber pad of cylinder drive pressure plate and lower pressing plate bottom to workpiece fixed, the meshing of servo motor in rotation unit drive worm and worm wheel, drive pivot rotation, make seat board and second rubber pad drive workpiece rotation, thereby need not manual adjustment to process different edge, reduce downtime, improve production efficiency.

Description

Technical Field

[0001] This utility model relates to the field of automotive plastic parts manufacturing technology, specifically to an edge trimming device for automotive plastic parts. Background Technology

[0002] The trimming device mechanically removes burrs, flash, or process allowances from the edges of plastic parts, ensuring that the edges meet design dimensions and surface quality requirements.

[0003] According to the patent titled "A Deburring Device for Automobile Plastic Parts Production" (Patent Publication No.: CN214562355U, Patent Publication Date: 2021-11-02), it includes a trapezoidal block with cross-shaped holes near its two sides. A mounting block is provided on the inner surface of the cross-shaped hole to accommodate it. A rubber wheel is provided at the bottom of the mounting block, and a trimming knife is obliquely positioned at the center of the bottom of the trapezoidal block. By adjusting the position of the mounting block within the cross-shaped hole, the cutting depth of the trimming knife can be controlled. Holding the trapezoidal block with the rubber wheel close to the edge of the plastic part, the trimming knife cleans the burrs. This method is safer than using a utility knife and is less likely to damage the plastic part.

[0004] Based on the aforementioned existing technology, current edge trimming devices for automotive plastic parts still have the following problems: for irregularly shaped automotive plastic parts, their edges are often not on the same plane. Traditional three-axis or fixed trimming devices require the operator to stop the machine, release the workpiece, readjust the position and angle, and clamp it again after processing one edge before processing the next edge. Therefore, this utility model provides an edge trimming device for automotive plastic parts. Utility Model Content

[0005] To address the shortcomings of existing technologies, this utility model provides an edge trimming device for automotive plastic parts, solving the problem that existing devices often handle irregularly shaped automotive plastic parts whose edges are not on the same plane. Traditional three-axis or fixed trimming devices require operators to stop the machine, release the workpiece, readjust the position and angle, and re-clamp it after processing one edge before processing the next edge.

[0006] To achieve the above objectives, this utility model provides the following technical solution: an edge trimming device for automotive plastic parts, comprising a worktable, a three-axis moving module mounted on the top of the worktable, an edge trimming machine mounted on the front side of the three-axis moving module, and an edge-changing mechanism mounted on the worktable for rotating the workpiece, the edge-changing mechanism comprising:

[0007] The clamping unit is located above the worktable and is used to fix the workpiece.

[0008] The rotating unit is located below the clamping unit and includes a sleeve fixedly installed on the top of the worktable. A rotating shaft is rotatably installed inside the sleeve, and a seat plate is fixedly installed on the top of the rotating shaft. The workpiece is rotated by placing it on the seat plate and rotating the rotating shaft.

[0009] Preferably, a second rubber pad is fixedly installed on the top of the seat plate to increase the friction between the workpiece and the seat plate.

[0010] Preferably, the bottom end of the rotating shaft passes through the worktable and is fixedly mounted with a worm gear. A servo motor is fixedly mounted on the bottom of the worktable, and a worm is fixedly mounted on the output end of the servo motor. The worm and the worm gear are meshed together to drive the rotating shaft to rotate.

[0011] Preferably, a support base is fixedly installed at the bottom of the worktable, and the end of the worm gear away from the servo motor rotates inside the support base to support the worm gear.

[0012] Preferably, a protective shell is fixedly installed at the bottom of the workbench to protect the structure at the bottom of the workbench.

[0013] Preferably, the clamping unit includes a mounting frame fixedly installed on the top of the worktable. A cylinder is fixedly installed on the top of the mounting frame, and the output end of the cylinder passes through the mounting frame and rotates the mounting plate. The workpiece is clamped and fixed by driving the pressure plate downward through the cylinder. A first rubber pad is fixedly installed on the bottom of the pressure plate to increase the friction of the pressure plate clamping the workpiece.

[0014] This invention provides an edge trimming device for automotive plastic parts. Compared with the prior art, it has the following advantages:

[0015] 1. This automotive plastic part edge trimming device uses a cylinder to drive a pressure plate and a first rubber pad at the bottom of the lower pressure plate to fix the workpiece. The servo motor in the rotating unit drives the worm gear to mesh with the worm wheel, driving the rotating shaft to rotate. This causes the seat plate and the second rubber pad to rotate the workpiece, thus processing different edges without manual adjustment, reducing downtime and improving production efficiency.

[0016] 2. This automotive plastic part edge trimming device uses a three-axis moving module to drive the trimming machine to move along the edge of the workpiece for trimming operations; the edge changing mechanism ensures stable rotation of the workpiece during processing, and the second rubber pad on the seat plate increases friction to prevent the workpiece from sliding; the rotating unit adopts worm gear transmission and has a self-locking function to avoid accidental rotation, thereby ensuring trimming accuracy and consistency, and is suitable for irregularly shaped plastic parts. Attached Figure Description

[0017] Figure 1 This is a right-side perspective view of the structure of this utility model;

[0018] Figure 2 This is a partial three-dimensional structural diagram of the present invention;

[0019] Figure 3 This is a partially disassembled left-side stereoscopic structural diagram of the present invention;

[0020] Figure 4 This is a partially disassembled bottom-view three-dimensional structural diagram of the present invention.

[0021] In the diagram: 1-Workbench, 2-Edge changing mechanism, 21-Clamping unit, 211-Mounting bracket, 212-Cylinder, 213-Pressure plate, 214-First rubber pad, 22-Rotating unit, 221-Worm gear, 222-Servo motor, 223-Worm, 224-Support base, 225-Protective shell, 226-Sleeve, 227-Rotating shaft, 228-Seat plate, 229-Second rubber pad, 3-Three-axis moving module, 4-Trimping machine. Detailed Implementation

[0022] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0023] Please see Figures 1-4 This utility model provides a technical solution:

[0024] An edge trimming device for automotive plastic parts includes a worktable 1, a three-axis moving module 3 mounted on the top of the worktable 1, an edge trimming machine 4 mounted on the front side of the three-axis moving module 3, and an edge-changing mechanism 2 mounted on the worktable 1 for rotating the workpiece. The edge-changing mechanism 2 includes:

[0025] The clamping unit 21 is disposed above the worktable 1 and is used to fix the workpiece;

[0026] The rotating unit 22 is located below the clamping unit 21 and includes a sleeve 226 fixedly installed on the top of the worktable 1. A rotating shaft 227 is rotatably installed inside the sleeve 226, and a seat plate 228 is fixedly installed on the top of the rotating shaft 227. The workpiece is rotated by placing the workpiece on the seat plate 228 and rotating the rotating shaft 227.

[0027] In this embodiment, a second rubber pad 229 is fixedly installed on the top of the seat plate 228 to increase the friction between the workpiece and the seat plate 228.

[0028] A second rubber pad 229 is fixedly installed on the top of the seat plate 228 to increase the friction between the workpiece and the seat plate 228, prevent the workpiece from sliding during rotation or processing, and ensure clamping stability.

[0029] In this embodiment, the bottom end of the rotating shaft 227 passes through the workbench 1 and is fixedly installed with a worm gear 221. A servo motor 222 is fixedly installed at the bottom of the workbench 1, and a worm 223 is fixedly installed at the output end of the servo motor 222. The worm 223 and the worm gear 221 are meshed together to drive the rotating shaft 227 to rotate.

[0030] The servo motor 222 is model KV3SF-8521F-WR. It is electrically connected to an external power supply and can be started and stopped by a human-operated control panel. The worm gear 223 and the worm wheel 221 are meshed together to drive the rotating shaft 227 to rotate, providing smooth and self-locking rotational power to ensure accurate workpiece positioning.

[0031] In this embodiment, a support base 224 is fixedly installed at the bottom of the workbench 1, and the end of the worm gear 223 away from the servo motor 222 rotates inside the support base 224 to support the worm gear 223.

[0032] A support base 224 is fixedly installed at the bottom of the worktable 1, and the end of the worm gear 223 away from the servo motor 222 rotates inside the support base 224, thereby supporting the worm gear 223, reducing vibration and offset when the worm gear 223 rotates, and improving transmission reliability.

[0033] In this embodiment, a protective shell 225 is fixedly installed on the bottom of the workbench 1 to protect the structure of the bottom of the workbench 1.

[0034] A protective shell 225 is fixedly installed at the bottom of the worktable 1 to protect the structure at the bottom of the worktable 1, prevent foreign objects such as dust and chips from entering, and extend the service life of the servo motor 222 and the worm gear 223.

[0035] In this embodiment, the clamping unit 21 includes a mounting frame 211 fixedly installed on the top of the workbench 1. A cylinder 212 is fixedly installed on the top of the mounting frame 211, and the output end of the cylinder 212 passes through the mounting frame 211 and rotates the mounting plate 213. The workpiece is clamped and fixed by driving the pressure plate 213 to move down through the cylinder 212. A first rubber pad 214 is fixedly installed on the bottom of the pressure plate 213 to increase the friction of the pressure plate 213 clamping the workpiece.

[0036] The cylinder 212 is model DSNU-20-50-PPV-A. It is electrically connected to an external power source and is operated by a human control panel. The cylinder 212 drives the pressure plate 213 to move down to clamp and fix the workpiece. The bottom of the pressure plate 213 is fixedly installed with a first rubber pad 214 to increase the friction between the pressure plate 213 and the workpiece, so as to prevent the workpiece from shifting or being damaged during processing.

[0037] Furthermore, any content not described in detail in this specification is existing technology known to those skilled in the art.

[0038] During operation, the workpiece is first placed on the second rubber pad 229. The cylinder 212 moves and drives the pressure plate 213 and the first rubber pad 214 to move down, clamping and fixing the workpiece.

[0039] Then, the three-axis moving module 3 and the trimming machine 4 operate. The three-axis moving module 3 drives the trimming machine 4 to contact the edge of the workpiece and perform the trimming operation. After the trimming is completed, the servo motor 222 runs and drives the worm gear 223 to rotate. The worm gear 223 drives the worm wheel 221 to rotate. The worm wheel 221 drives the rotating shaft 227 to rotate. The rotating shaft 227 drives the seat plate 228 and the second rubber pad 229 to rotate, thereby driving the workpiece to rotate and performing trimming operations on the other edges of the workpiece.

[0040] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such process, method, article, or apparatus.

[0041] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. An edge trimming device for automotive plastic parts, comprising a worktable (1), a three-axis moving module (3) disposed on the top of the worktable (1), and an edge trimming machine (4) disposed on the front side of the three-axis moving module (3), characterized in that: The workbench (1) is equipped with a changing mechanism (2) for rotating the workpiece. The changing mechanism (2) includes: The clamping unit (21) is located above the worktable (1) and is used to fix the workpiece; The rotating unit (22) is located below the clamping unit (21) and includes a sleeve (226) fixedly installed on the top of the worktable (1). A rotating shaft (227) is rotatably installed inside the sleeve (226), and a seat plate (228) is fixedly installed on the top of the rotating shaft (227). The workpiece is rotated by placing the workpiece on the seat plate (228) and rotating the rotating shaft (227).

2. The edge trimming device for automotive plastic parts according to claim 1, characterized in that: A second rubber pad (229) is fixedly installed on the top of the seat plate (228) to increase the friction between the workpiece and the seat plate (228).

3. The edge trimming device for automotive plastic parts according to claim 1, characterized in that: The bottom end of the rotating shaft (227) passes through the workbench (1) and is fixedly installed with a worm gear (221). A servo motor (222) is fixedly installed at the bottom of the workbench (1), and a worm (223) is fixedly installed at the output end of the servo motor (222). The worm (223) and the worm gear (221) are meshed together to drive the rotating shaft (227) to rotate.

4. The edge trimming device for automotive plastic parts according to claim 3, characterized in that: The bottom of the workbench (1) is fixedly installed with a support base (224), and the end of the worm gear (223) away from the servo motor (222) is located inside the support base (224) for rotation, thereby supporting the worm gear (223).

5. The edge trimming device for automotive plastic parts according to claim 1, characterized in that: The bottom of the workbench (1) is fixedly equipped with a protective shell (225) to protect the structure at the bottom of the workbench (1).

6. The edge trimming device for automotive plastic parts according to claim 1, characterized in that: The clamping unit (21) includes a mounting frame (211) fixedly installed on the top of the workbench (1). A cylinder (212) is fixedly installed on the top of the mounting frame (211), and the output end of the cylinder (212) passes through the mounting frame (211) and rotates the mounting plate (213). The workpiece is clamped and fixed by driving the plate (213) to move down through the cylinder (212). A first rubber pad (214) is fixedly installed on the bottom of the plate (213) to increase the friction of the plate (213) clamping the workpiece.

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