Clamping and fixing structure for trimming die
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-04
- Publication Date
- 2026-03-24
AI Technical Summary
Existing mold fixing methods are time-consuming and not easy to adapt to different mold slots, resulting in long mold replacement times and poor device practicality.
The mold adopts a snap-fit fixing structure, including a snap-fit mechanism and an assembly mechanism. It uses components such as symmetrical screws, bevel gears, drive shafts, and twist caps to achieve quick snap-fit of the mold and flexible assembly of the clamping strips. The mold is stably connected by the cooperation of bolts and nuts.
It enables rapid mold engagement and adapts to different mold slots, reducing mold change time and improving the convenience and practicality of the device.
Smart Images

Figure CN224027398U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the technical field of trimming die, concretely is a kind of clamping and fixing structure for trimming die. BACKGROUND
[0002] Modern manufacturing industry is more and more high to the requirement of production efficiency, in the die processing field, traditional fixed mode such as bolt connection, when installing and disassembling die, need to spend a lot of time, and clamping and fixing structure can realize quick installation and disassembly, reduce die replacement time, improve production efficiency.
[0003] The existing device mainly adopts multiple groups of bolts to fix the die body, so that some devices are difficult to quickly clamp the die body on the lifting frame, thereby causing a large amount of die replacement time to be wasted, and meanwhile, some devices are difficult to replace the clamping piece according to different die clamping grooves, thereby causing inconvenience in clamping various die bodies and reducing the working efficiency and practicability of the device. Therefore, in order to solve the above problems, a clamping and fixing structure for trimming die is proposed. UTILITY MODEL CONTENTS
[0004] The utility model aims at providing a clamping and fixing structure for trimming die to solve the problem that the existing device in the prior art mentioned in the above background technology mainly adopts multiple groups of bolts to fix the die body, so that some devices are difficult to quickly clamp the die body on the lifting frame, thereby causing a large amount of die replacement time to be wasted, and meanwhile, some devices are difficult to replace the clamping piece according to different die clamping grooves, thereby causing inconvenience in clamping various die bodies.
[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a clamping and fixing structure for trimming die, comprising a base, the top of the base is fixedly connected with an elastic support column, the top of the elastic support column is fixedly connected with a lifting frame, a die body is inserted into the inside of the lifting frame, clamping grooves are fixedly connected to the bottom of the die body on both sides, a clamping strip is arranged on the inner side of the clamping groove, and a pushing plate is inserted into the inner wall of the clamping strip.
[0006] The inside of the lifting frame is provided with a clamping mechanism, the clamping mechanism comprises symmetrical screws, the two ends of the symmetrical screws are movably connected to the inner walls of the lifting frame on both sides, and the inside of the pushing plate is provided with an assembly mechanism.
[0007] Preferably, the outer wall right side of the symmetrical screw is fixedly connected with a second bevel gear, the outer walls of the symmetrical screws are threadedly connected with pushing screw sleeves, and the bottom middle of the pushing plate is fixedly connected to the upper part of the outer wall of the pushing screw sleeve.
[0008] Preferably, the upper engaging connection of the second bevel gear is connected with a first bevel gear, the top middle of the first bevel gear is fixedly connected with a transmission shaft, and the top end of the transmission shaft penetrates through the limiting hole of the lifting frame and is fixedly connected with a twist cap.
[0009] Preferably, the front and rear sides of the push plate are fixedly connected with sliding sleeves, the inner wall of the sliding sleeve is inserted with a limiting rod, and the two ends of the limiting rod are fixedly connected to the inner wall of the lifting frame.
[0010] Preferably, the assembly screw is sequentially inserted into the positioning holes in the two sides of the push plate and the clamping strip.
[0011] Preferably, the outer wall of the assembly screw is threadedly connected with a fixed nut, and the right side of the fixed nut is fixedly connected to the outer side of the push plate.
[0012] Compared with the prior art, the utility model has the advantages that:
[0013] 1. The utility model discloses a clamping mechanism, a push screw sleeve, a first bevel gear, a transmission shaft, a twist cap, a sliding sleeve and a limiting rod are arranged in the symmetrical screw rod, and the mold body is clamped.
[0014] 2. The utility model discloses an assembly mechanism, an assembly screw and a fixed nut are arranged, the assembly screw is inserted into the positioning holes in the two sides of the clamping strip and the push plate, and the assembly screw is threadedly connected to the inner wall of the fixed nut by rotating clockwise, so that the clamping strip is assembled. BRIEF DESCRIPTION OF DRAWINGS
[0015] Figure 1 It is a front view of the structure of the utility model;
[0016] Figure 2 It is a front view of the structure of the utility model;
[0017] Figure 3 It is a front view of the structure of the utility model;
[0018] Figure 4 It is an explosion view of the local structure of the utility model.
[0019] In the figure: 11, base; 12, elastic support; 13, lifting frame; 14, mold body; 15, clamping groove; 16, clamping strip; 17, push plate; 2, clamping mechanism; 21, symmetrical screw; 22, second bevel gear; 23, push screw; 24, first bevel gear; 25, transmission shaft; 26, twist cover; 27, sliding sleeve; 28, limiting rod; 3, assembly mechanism; 31, assembly bolt; 32, fixed nut. DETAILED DESCRIPTION
[0020] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.
[0021] Please refer to Figures 1-4 The present application provides an embodiment:
[0022] A clamping and fixing structure for a trimming die, comprising a base 11, the top of the base 11 is fixedly connected with an elastic support 12, the top of the elastic support 12 is fixedly connected with a lifting frame 13, the inside of the lifting frame 13 is inserted with a mold body 14, the bottom of the mold body 14 is fixedly connected with clamping grooves 15 on both sides, the inner side of the clamping grooves 15 is provided with clamping strips 16, and the inner wall of the clamping strips 16 is inserted with a push plate 17.
[0023] The inside of the lifting frame 13 is provided with a clamping mechanism 2, which comprises a symmetrical screw rod 21 movably connected at both ends to the inner walls of the lifting frame 13, a second bevel gear 22 fixedly connected to the outer wall right side of the symmetrical screw rod 21, a push screw sleeve 23 threadedly connected to the outer wall of the symmetrical screw rod 21, and a push plate 17 fixedly connected to the bottom middle of the push screw sleeve 23. Through this design, the second bevel gear 22 drives the symmetrical screw rod 21 to limit rotation, so that the symmetrical screw rod 21 drives the push screw sleeve 23 and the push plate 17 to symmetrically slide. The upper part of the second bevel gear 22 is meshingly connected to a first bevel gear 24, the top middle of the first bevel gear 24 is fixedly connected to a transmission shaft 25, the top end of the transmission shaft 25 passes through a limiting hole of the lifting frame 13 and is fixedly connected to a twist cap 26. Through this design, the twist cap 26 drives the transmission shaft 25 and the first bevel gear 24 to limit rotation, so that the first bevel gear 24 meshes to drive the second bevel gear 22 to rotate. The front and back sides of the push plate 17 are fixedly connected to a sliding sleeve 27, and a limiting rod 28 is inserted into the inner wall of the sliding sleeve 27. The two ends of the limiting rod 28 are fixedly connected to the inner walls of the lifting frame 13. Through this design, the push plate 17 drives the sliding sleeve 27 to limit sliding on the outer wall of the limiting rod 28.
[0024] The inside of the push plate 17 is provided with an assembly mechanism 3, which comprises an assembly screw 31 inserted into the positioning holes on both sides of the push plate 17 and the clamping strip 16. Through this design, the assembly screw 31 is aligned and inserted into the push plate 17 and the clamping strip 16. The outer wall of the assembly screw 31 is threadedly connected to a fixing nut 32, and the right side of the fixing nut 32 is fixedly connected to the outside of the push plate 17. Through this design, the assembly screw 31 cooperates with the fixing nut 32 to assemble the clamping strip 16 on the push plate 17.
[0025] Working principle: when the mold body 14 needs to be clamped, first rotate the twist cap 26 clockwise, the twist cap 26 drives the transmission shaft 25 to limit rotation, the transmission shaft 25 drives the first bevel gear 24 to rotate synchronously, the first bevel gear 24 meshes to drive the second bevel gear 22 to rotate, the second bevel gear 22 drives the symmetrical screw rod 21 to limit rotation, the symmetrical screw rod 21 drives the push screw sleeve 23 to symmetrically slide, the push screw sleeve 23 drives the push plate 17 to symmetrically slide, the push plate 17 drives the sliding sleeve 27 to limit sliding on the outer wall of the limiting rod 28, and at the same time the push plate 17 drives the clamping strip 16 to be inserted into the inner wall of the clamping groove 15, realizing the clamping operation of the mold body 14.
[0026] When the clamping strip 16 needs to be assembled, first insert the assembly screw 31 into the positioning holes on both sides of the clamping strip 16 and the push plate 17, and rotate the assembly screw 31 clockwise so that the assembly screw 31 is threadedly inserted into the inner wall of the fixing nut 32, realizing the assembly operation of the clamping strip 16. The operation ends here.
[0027] The above merely describes preferred embodiments of the present application, and is not intended to limit the present application in any form; any person skilled in the art can smoothly implement the present application according to the drawings shown in the specification and the above description; however, any person skilled in the art can make some changes, modifications and equivalent changes within the scope of the technical scheme of the present application, using the above disclosed technical content, and the equivalent embodiments of the present application are still within the protection scope of the technical scheme of the present application.
Claims
1. An engaging and fixing structure for a trimming die, comprising a base (11), characterized in that: The top of the base (11) is fixedly connected with an elastic support (12), the top of the elastic support (12) is fixedly connected with a lifting frame (13), the inside of the lifting frame (13) is inserted with a mold body (14), the bottom of the mold body (14) is fixedly connected with a clamping groove (15), the inside of the clamping groove (15) is provided with a clamping strip (16), the inside wall of the clamping strip (16) is inserted with a pushing plate (17). The inside of the lifting frame (13) is provided with a clamping mechanism (2), the clamping mechanism (2) comprises a symmetrical screw rod (21), both ends of the symmetrical screw rod (21) are movably connected on the inner wall of the lifting frame (13), the inside of the pushing plate (17) is provided with an assembly mechanism (3).
2. The snap-fit structure for a trimming die according to claim 1, characterized in that: The outer wall right side of the symmetrical screw rod (21) is fixedly connected with a second bevel gear (22), the outer wall of the symmetrical screw rod (21) is threadedly connected with a pushing screw sleeve (23), the outer wall of the pushing screw sleeve (23) is fixedly connected with the bottom of the pushing plate (17).
3. The snap-fit structure for a trimming die according to claim 2, characterized in that: The upper side of the second bevel gear (22) is meshingly connected with a first bevel gear (24), the top of the first bevel gear (24) is fixedly connected with a transmission shaft (25), the top end of the transmission shaft (25) passes through the limiting hole of the lifting frame (13) and is fixedly connected with a twist cap (26).
4. The snap-fit structure for a trimming die according to claim 1, characterized in that: The front and back of the pushing plate (17) is fixedly connected with a sliding sleeve (27), the inside wall of the sliding sleeve (27) is inserted with a limiting rod (28), both ends of the limiting rod (28) are fixedly connected on the inner wall of the lifting frame (13).
5. The snap-fit structure for a trimming die according to claim 1, characterized in that: The assembly mechanism (3) comprises an assembly bolt (31), the assembly bolt (31) is sequentially inserted into the positioning hole on both sides of the clamping strip (16) and the pushing plate (17).
6. The snap-fit structure for a trimming die according to claim 5, characterized in that: The outer wall of the assembly bolt (31) is threadedly connected with a fixed nut (32), the right side of the fixed nut (32) is fixedly connected with the outside of the pushing plate (17).