Plastic part corner trimming jig
By designing an adjustable positioning mechanism and a tool position adjustment device, the problem that existing plastic part corner trimming tools cannot adapt to different sizes has been solved, achieving precise positioning and clamping of different plastic parts and improving production efficiency.
Patent Information
- Application Number
- CN202422950458.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-02
- Publication Date
- 2025-11-28
- Estimated Expiration
- 2034-12-02
AI Technical Summary
The existing positioning structure of the plastic parts edge trimming fixture is fixed and cannot adapt to plastic parts of different sizes, resulting in time-consuming and labor-intensive replacement of the positioning fixture, which reduces production efficiency.
A plastic part edge trimming fixture was designed, comprising a support plate, hydraulic cylinder, motor, transmission gear, and adjustable positioning mechanism. It achieves precise positioning and clamping of plastic parts of different sizes through components such as sliding groove, arc groove, pressure rod, and Z-shaped slider. The tool position can be adjusted by combining the column, slide plate, and slide bar to adapt to plastic parts of different sizes.
It enables precise positioning and clamping of plastic parts of different sizes, improves the applicability and clamping stability of the device, and enhances production efficiency.
Smart Images

Figure CN223604813U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the technical field of plastic part production, specifically to a plastic part corner trimming jig. BACKGROUND
[0002] The plastic part corner trimming jig is usually designed to efficiently and accurately remove burrs, flash or irregular corners of plastic products generated in the molding process, so as to improve the appearance and safety of the products.
[0003] At present, the positioning structure of most existing edge trimming jigs is fixed, and can only be applied to plastic parts of a specific size range. When facing plastic parts of different sizes, different positioning clamps or devices often need to be replaced, which not only increases the cost, but also consumes a lot of time and effort for equipment adjustment and replacement, reducing production efficiency. In view of this, we propose a plastic part corner trimming jig. SUMMARY
[0004] The main purpose of the utility model is to provide a plastic part corner trimming jig, which can solve the problems raised in the background art.
[0005] To achieve the above purpose, the utility model provides a plastic part corner trimming jig, which comprises a support plate, an L-shaped rod is fixedly connected to the outer wall of the support plate, a hydraulic cylinder is fixedly connected to the outer wall of the L-shaped rod, a motor is fixedly connected to the inner wall of the support plate, the output end of the motor penetrates the support plate and is rotatably connected with the support plate, a transmission gear is fixedly connected to the output end of the motor, a positioning mechanism is arranged on the support plate, and the positioning mechanism comprises:
[0006] A housing is rotatably connected with the support plate, a gear sleeve is fixedly connected to the outer wall of the housing, the gear sleeve is engaged with the transmission gear, the housing is provided with a sliding groove, and a side groove is formed in the side wall of the housing;
[0007] An axle body is fixedly connected to the inner wall of the housing, penetrates a rotating disc and is rotatably connected with the rotating disc, and the rotating disc is provided with an arc-shaped groove;
[0008] A sliding rod is slidably connected with the sliding groove and the arc-shaped groove, the sliding rod is penetrated by a pressing rod and is slidably connected with the pressing rod, and the pressing rod is elastically connected with the sliding rod through a spring.
[0009] Preferably, the outer wall of the housing is fixedly connected with an arc-shaped sliding seat, the arc-shaped sliding seat is provided with a sliding groove, and the inner wall of the arc-shaped sliding seat is provided with a clamping groove.
[0010] Preferably, the outer wall of the rotating disc is fixedly connected with a Z-shaped sliding block, the Z-shaped sliding block is provided with a limiting groove, and the Z-shaped sliding block is slidably connected with the sliding groove.
[0011] Preferably, the Z-shaped slider is penetrated by a rotating shaft and is rotationally connected with the rotating shaft, the bottom outer wall of the rotating shaft is fixedly connected with a protruding block, the rotating shaft is penetrated by a pull rod and is slidingly connected with the pull rod, and the pull rod is elastically connected with the inner wall of the rotating shaft through spring two.
[0012] Preferably, the Z-shaped slider is slidingly connected with a clamping rod, and the clamping rod is elastically connected with the inner wall of the Z-shaped slider through spring one.
[0013] Preferably, the outer wall of the supporting plate is fixedly connected with a stand, the stand is slidingly connected with a sliding plate, the output end of the hydraulic cylinder is fixedly connected with the outer wall of the sliding plate, the inner wall of the sliding plate is fixedly connected with a sliding rod, the sliding rod is slidingly connected with a moving block, a fixing bolt is arranged on the moving block, the outer wall of the sliding rod is extruded by rotating the bolt, the pressure between the bolt and the outer wall of the sliding rod is increased, and then the cutter is fixed, and the outer wall of the moving block is fixedly connected with the cutter, and the cutter is provided with two groups, which are used for trimming the outer opening and the inner opening of the plastic part.
[0014] The utility model provides a kind of plastic piece corner trimming jig. With following beneficial effects:
[0015] (1), the plastic piece corner trimming jig, by the sliding groove in positioning mechanism, arc groove and adjustable pressure bar design, so that jig can realize accurate positioning and clamping to different size plastic parts, simultaneously, by stand, sliding plate, sliding rod and moving block etc., can make staff adjust the position of cutter to the actual size of plastic part, and then adapt to plastic part of different sizes, improve the applicability of device.
[0016] (2), the plastic piece corner trimming jig, when using, by pulling Z-shaped slider, so that rotating disc drives sliding rod to slide, and then pressure bar extrudes and realizes preliminary positioning to plastic part, simultaneously, by the design of pull rod and limiting slot, the rotating shaft and protruding block can be fixed and limited, prevent plastic part from loosening when shell rotates, improve the stability of clamping. ACCURACY OF DRAWINGS
[0017] In order to more clearly illustrate the technical scheme in the embodiment of the utility model or prior art, the following will briefly introduce the drawings needed to be used in embodiment or prior art description, obviously, the drawings in the following description are only some embodiments of the utility model, and for those skilled in the art, other drawings can be obtained according to the structure shown in these drawings without creating labor.
[0018] Figure 1 It is the whole three-dimensional structure schematic diagram of the utility model;
[0019] Figure 2 It is the part three-dimensional structure schematic diagram of the utility model;
[0020] Figure 3 It is the three-dimensional structure schematic view of the positioning mechanism of the utility model;
[0021] Figure 4 It is the three-dimensional structure schematic view of the positioning mechanism of the utility model;
[0022] Figure 5 It is the three-dimensional structure schematic view of the positioning mechanism of the utility model;
[0023] Figure 6 It is the three-dimensional structure schematic view of the arc-shaped sliding seat of the utility model;
[0024] Figure 7 It is the three-dimensional sectional structure schematic view of the Z-shaped sliding block of the utility model Figure 1 ;
[0025] Figure 8 It is the three-dimensional sectional structure schematic view of the Z-shaped sliding block of the utility model Figure 2 .
[0026] Explanation of reference numerals:
[0027] 1, support plate; 11, stand column; 12, sliding plate; 13, sliding rod; 14, moving block; 15, cutter; 2, motor; 3, transmission gear; 4, L-shaped rod; 51, shell; 511, arc-shaped sliding seat; 512, clamping groove; 513, sliding groove; 52, sliding groove; 53, toothed sleeve; 54, shaft body; 55, rotating disc; 551, arc-shaped groove; 552, Z-shaped sliding block; 553, limiting groove; 554, clamping rod; 555, spring one; 556, rotating shaft; 557, protruding block; 558, spring two; 559, pull rod; 56, sliding rod; 57, pressing rod; 58, spring three; 6, hydraulic cylinder.
[0028] The utility model discloses the realization, functional characteristics and advantages will be further described with reference to the embodiment. Specific implementation
[0029] The technical scheme 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, not 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 scope of the utility model.
[0030] Please refer to Figures 1-8The utility model provides a plastic piece corner finishing jig, including support plate 1, the outer wall of support plate 1 is fixedly connected with L type rod 4, the outer wall of L type rod 4 is fixedly connected with hydraulic cylinder 6, the inner wall of support plate 1 is fixedly connected with motor 2, and the output of motor 2 is connected with support plate 1 and rotates, and the output of motor 2 is fixedly connected with transmission gear 3, and support plate 1 is equipped with positioning mechanism.
[0031] In the embodiment of the utility model, in order to be able to position plastic piece, specifically, the positioning mechanism includes the casing 51, the casing 51 is rotatably connected with the support plate 1, the outer wall of casing 51 is fixedly connected with the tooth cover 53, the tooth cover 53 is engaged with transmission gear 3, the casing 51 is set with sliding slot 52, the lateral wall of casing 51 is set with side groove, the inner wall of shaft body 54 is fixedly connected with casing 51, the shaft body 54 is connected with rotating disc 55 and rotates, and rotating disc 55 is set with arc slot 551, sliding rod 56 is slidably connected with sliding slot 52 and arc slot 551, sliding rod 56 is penetrated by pressure rod 57 and is slidably connected with pressure rod 57, and pressure rod 57 is elastically connected with sliding rod 56 by spring three 58;
[0032] Further, the outer wall of casing 51 is fixedly connected with arc slide base 511, the arc slide base 511 is set with sliding slot 513, the inner wall of arc slide base 511 is set with clamping groove 512, the outer wall of rotating disc 55 is fixedly connected with Z type sliding block 552, the Z type sliding block 552 is set with limiting slot 553, and the Z type sliding block 552 is slidably connected with sliding slot 513;
[0033] Further, the Z type sliding block 552 is penetrated by rotating shaft 556 and is rotatably connected with rotating shaft 556, the bottom outer wall of rotating shaft 556 is fixedly connected with lug 557, the rotating shaft 556 is penetrated by pull rod 559 and is slidably connected with pull rod 559, the pull rod 559 is elastically connected with the inner wall of rotating shaft 556 by spring two 558, the Z type sliding block 552 is slidably connected with clamping rod 554, and the clamping rod 554 is elastically connected with the inner wall of Z type sliding block 552 by spring one 555;
[0034] Further, the outer wall of support plate 1 is fixedly connected with stand 11, the stand 11 is slidably connected with sliding plate 12, the outer wall of sliding plate 12 is fixedly connected with the output of hydraulic cylinder 6, the inner wall of sliding plate 12 is fixedly connected with sliding rod 13, the sliding rod 13 is slidably connected with moving block 14, and the outer wall of moving block 14 is fixedly connected with cutter 15;
[0035] In the utility model, in use, first, the plastic piece is placed on the outer wall of the shell 51, then the Z-shaped slider 552 is pulled, in the process, the rotating disc 55 rotates, when the rotating disc 55 rotates, the arc-shaped groove 551 will exert force on the sliding rod 56, so that the sliding rod 56 slides on the sliding groove 52, when the sliding rod 56 slides a distance, the press rod 57 will extrude the plastic piece at this time, and in the process of movement of the Z-shaped slider 552, the clamping rod 554 is extruded by the clamping groove 512, so that the clamping rod 554 completely enters the inside of the Z-shaped slider 552, and spring one 555 occurs elastic deformation, when the plastic piece is clamped, the clamping rod 554 coincides with the clamping groove 512 at this time, the clamping rod 554 will be in the spring one 555 The elastic force of the inside of the clamping groove 512 is popped, then the pull rod 559 is pulled upwards, so that the spring two 558 occurs elastic deformation, then the pull rod 559 is rotated by 90 degrees, in the process, the rotating shaft 556 slidingly connected with the pull rod 559 will drive the protruding block 557 to rotate by 90 degrees synchronously, the protruding block 557 will tightly abut against the inner wall of the Z-shaped slider 552 at this time, and then the clamping rod 554 is limited, so that the clamping rod 554 is tightly clamped in the clamping groove 512, then the pull rod 559 is released, then the pull rod 559 will be clamped in the limiting groove 553 under the elastic force of the spring two 558, and then the protruding block 557 is limited, to prevent the plastic piece from loosening in the process of rotating the shell 51, then the position of the cutter 15 is adjusted, then the hydraulic cylinder 6 is started again, and the cutter 15 is adjusted to the appropriate height, then the motor 2 is started, the shell 51 drives the plastic piece to rotate under the transmission of the transmission gear 3 at this time, and then the operation of trimming the plastic piece is completed.
[0036] The above only describes the preferred embodiments of the utility model, and does not limit the patent range of the utility model, and any equivalent structural transformation made under the inventive concept of the utility model, or direct / indirect application in other related technical fields is included in the patent protection range of the utility model.
Claims
1. A plastic part corner trimming jig comprising a support plate (1), characterized in that: The supporting plate (1) is fixedly connected with an L-shaped rod (4) on the outer wall, the L-shaped rod (4) is fixedly connected with a hydraulic cylinder (6) on the outer wall, the supporting plate (1) is fixedly connected with a motor (2) on the inner wall, the output end of the motor (2) penetrates through the supporting plate (1) and is rotatably connected with the supporting plate (1), the output end of the motor (2) is fixedly connected with a transmission gear (3), and a positioning mechanism is arranged on the supporting plate (1). The housing (51) is rotatably connected with the supporting plate (1), the housing (51) is fixedly connected with a gear sleeve (53) on the outer wall, the gear sleeve (53) is engaged with the transmission gear (3), the housing (51) is provided with a sliding groove (52), and the side wall of the housing (51) is provided with a side groove; The shaft body (54) is fixedly connected with the inner wall of the housing (51), the shaft body (54) penetrates through the rotating disc (55) and is rotatably connected with the rotating disc (55), and the rotating disc (55) is provided with an arc-shaped groove (551). The sliding rod (56) is slidably connected with the sliding groove (52) and the arc-shaped groove (551), the sliding rod (56) is penetrated by the pressing rod (57) and is slidably connected with the pressing rod (57), and the pressing rod (57) is elastically connected with the sliding rod (56) through the spring three (58).
2. The trimming tool according to claim 1, wherein: The outer wall of the housing (51) is fixedly connected with an arc-shaped sliding seat (511), the arc-shaped sliding seat (511) is provided with a sliding groove (513), and the inner wall of the arc-shaped sliding seat (511) is provided with a clamping groove (512).
3. The trimming tool of claim 1 wherein: The outer wall of the rotating disc (55) is fixedly connected with a Z-shaped sliding block (552), the Z-shaped sliding block (552) is provided with a limiting groove (553), and the Z-shaped sliding block (552) is slidably connected with the sliding groove (513).
4. The trimming tool according to claim 3, wherein: The Z-shaped sliding block (552) is penetrated by the rotating shaft (556) and is rotatably connected with the rotating shaft (556), the bottom outer wall of the rotating shaft (556) is fixedly connected with a protruding block (557), the rotating shaft (556) is penetrated by the pull rod (559) and is slidably connected with the pull rod (559), and the pull rod (559) is elastically connected with the inner wall of the rotating shaft (556) through the spring two (558).
5. The trimming tool of claim 3 wherein: The Z-shaped sliding block (552) is slidably connected with a clamping rod (554), and the clamping rod (554) is elastically connected with the inner wall of the Z-shaped sliding block (552) through the spring one (555).
6. The trimming tool of claim 1 wherein: The outer wall of the supporting plate (1) is fixedly connected with a stand column (11), the stand column (11) is slidably connected with a sliding plate (12), the outer wall of the sliding plate (12) is fixedly connected with the output end of the hydraulic cylinder (6), the inner wall of the sliding plate (12) is fixedly connected with a sliding rod (13), the sliding rod (13) is slidably connected with a moving block (14), and the outer wall of the moving block (14) is fixedly connected with a cutter (15).