Punch limiting clamp
By designing a punch press limit fixture consisting of a base, mounting frame, stabilizing mounting block, clamping clamp, and servo motor drive system, the problem of inflexible clamping in existing technologies has been solved, enabling automatic adaptive clamping of workpieces of different sizes and improving processing accuracy and efficiency.
Patent Information
- Application Number
- CN202520320457.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-27
- Publication Date
- 2026-01-06
- Estimated Expiration
- 2035-02-27
AI Technical Summary
Existing punch press limit fixtures can only limit materials of a single size, and cannot adapt to the clamping of workpieces of different sizes, requiring frequent replacement of clamping clamps.
A punch press limiting fixture was designed, comprising a base, a mounting frame, a stabilizing mounting block, a clamping clamp, a limit card, and a servo motor. The clamping clamp is stably connected and moved through the plug-in block, the limit card, and the guide groove structure. Combined with the servo motor-driven gear system, the position of the clamping clamp is automatically adjusted to adapt to different workpiece sizes.
It enables automatic adjustment of clamping according to different workpiece sizes, solving the problem of inflexible clamping in existing technologies and improving machining accuracy and efficiency.
Smart Images
Figure CN223761975U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of punch press fixture technology, specifically a punch press limiting fixture. Background Technology
[0002] A punch press is a stamping press. In national production, the stamping process has advantages over traditional machining, such as saving materials and energy, high efficiency, low operator skill requirements, and the ability to produce products that cannot be achieved by machining through the application of various molds. During the workpiece processing, the workpiece inside the fixture is displaced, which causes certain errors in the workpiece during the processing.
[0003] However, in the existing technology, the punch press limits and clamps the surface of the workpiece during the processing. However, most of the existing limit clamps can only limit materials of a single size. When clamping workpieces of different sizes, the limit clamping clamps need to be replaced.
[0004] Therefore, we need a punch press limiting fixture to solve the existing workpiece clamping problem in punch presses, and also to enable the clamping clamps to be changed according to different workpiece sizes. Utility Model Content
[0005] The purpose of this utility model is to provide a punch press limiting fixture to solve the problem of clamping workpieces in existing punch presses, as mentioned in the background art, and to enable the clamping clamps to be changed according to different workpiece sizes.
[0006] To achieve the above objectives, this utility model provides the following technical solution: a punch press limiting fixture, including a base, the top surface of which is fixedly connected to the bottom surface of a mounting frame, bolt holes being opened on the top surface of the mounting frame, a sturdy mounting block being movably disposed on the surface of the mounting frame, a snap-fit groove being opened on the top surface of the sturdy mounting block, an insertion block being inserted into the surface of the snap-fit groove, and a clamping clamp being fixedly connected to the end face of the insertion block.
[0007] Preferably, the surface of the stable mounting block has a limiting opening, the surface of the limiting opening is movably connected to the surface of the limiting card, the bottom surface of the limiting card abuts against the top surface of the plug-in block, and the top of the limiting card has a buckle groove.
[0008] Preferably, the cross-section of the limiting card is arranged in an "I" shape, and the limiting cards are arranged in two sets, with the two sets of limiting cards symmetrically arranged along the central axis of the mounting frame.
[0009] Preferably, the inside of the mounting frame is provided with a guide groove, the surface of the guide groove is movably connected with a limiting guide plate, the end surface of the limiting guide plate is fixedly connected with the surface of a movable tooth plate, the surface of the movable tooth plate is fixedly connected with a fixed block, the surface of the fixed block is movably connected with the surface of a movable opening, the movable opening is arranged on the surface of the mounting frame, and the end portion of the fixed block is integrally formed on the inner wall of a stable mounting block.
[0010] Preferably, the guide groove is arranged to completely penetrate through the surface of the mounting frame, the surface of the guide groove is tightly attached to the surface of the limiting guide plate, the cross section of the limiting guide plate is arranged in a T-shaped structure, the limiting guide plate is arranged in two groups, and the two groups of limiting guide plates are symmetrically arranged along the central axis of the mounting frame.
[0011] Preferably, the back surface of the mounting frame is fixedly connected with a servo motor, the output shaft end of the servo motor is fixedly connected with the surface of a driving gear, the teeth of the driving gear are engaged with the teeth of the movable tooth plate, the movable tooth plate is arranged in two groups, and the two groups of movable tooth plates are symmetrically arranged along the central axis of the mounting frame.
[0012] Compared with the prior art, the utility model has the advantages that the surface of the plug-in block is plugged into the surface of the clamping groove, so that the stable mounting block and the clamping tongs can be stably connected, when the stable mounting block moves on the surface of the mounting frame, the clamping tongs can be moved by the stable mounting block to clamp the workpiece on the top of the punch, if it is needed to clamp workpieces of different sizes, the clamping tongs can be disassembled from the surface of the stable mounting block by pulling the limiting card in the limiting opening, when the limiting guide plate moves on the surface of the guide groove, the stable mounting block can drive the clamping tongs to move on the surface of the mounting frame, so that the clamping tongs can clamp the workpiece when moving on the surface of the mounting frame, when the servo motor is started to rotate the driving gear, the movable tooth plate moves in the mounting frame, so that the clamping tongs can automatically approach each other; further solve the clamping problem of the existing punch workpiece, and the clamping tongs can be replaced according to different workpiece sizes. BRIEF DESCRIPTION OF DRAWINGS
[0013] Figure 1 It is a whole three-dimensional schematic view of the utility model structure;
[0014] Figure 2 It is a three-dimensional schematic view of the utility model structure clamping tongs;
[0015] Figure 3 It is a cross-sectional view of the utility model structure mounting frame;
[0016] Figure 4 It is a schematic view of the connection between the clamping tongs and the movable tooth plate.
[0017] As shown in the figure: base 1, mounting frame 2, stable mounting block 3, clamping forceps 4, clamping groove 5, plug-in block 6, limiting through port 7, limiting card 8, buckle groove 9, servo motor 10, drive gear 11, moving toothed plate 12, limiting guide plate 13, guide groove 14, movable through port 15, fixed block 16. DETAILED DESCRIPTION
[0018] In order to make the purpose, technical scheme of the utility model carry out clearly, complete description, and the advantage is more clear and obvious, the following combines the figure to the utility model embodiment carries out further detailed explanation. It should be understood that the specific embodiments described here are part of the embodiments of the utility model, not all embodiments, only to explain the embodiments of the utility model, and not for limiting the embodiments of the utility model, all other embodiments obtained by the ordinary skill in the art without creative labor belong to the scope of protection of the utility model.
[0019] Embodiment one, please refer to Figures 1-4 The utility model provides a kind of technical scheme: a punch limiting fixture, including base 1, the bottom surface of mounting frame 2 is fixedly connected to the top surface of base 1, bolt hole is set up in the top surface of mounting frame 2, stable mounting block 3 is movably arranged on the surface of mounting frame 2, clamping groove 5 is set up in the top surface of stable mounting block 3, plug-in block 6 is inserted in the surface of clamping groove 5, clamping forceps 4 is fixedly connected to the end surface of plug-in block 6, bolt hole is set up in the top surface of mounting frame 2, bolt is inserted in the top bolt hole of mounting frame 2, so mounting frame 2 can be fixedly installed on punch top surface, the surface of plug-in block 6 is inserted to the surface of clamping groove 5, so that stable mounting block 3 and clamping forceps 4 can be stably connected, when stable mounting block 3 moves on the surface of mounting frame 2, so clamping forceps 4 can be moved by stable mounting block 3 to clamp workpiece on punch top.
[0020] Embodiment two, refer to the attached Figures 1 to 4 On the basis of embodiment one, in order to realize that clamping forceps 4 is detached from the surface of stable mounting block 3, limiting through port 7 is set up in the surface of stable mounting block 3, the surface of limiting through port 7 is movably connected to the surface of limiting card 8, the bottom surface of limiting card 8 is abutted to the top surface of plug-in block 6, buckle groove 9 is set up in the top of limiting card 8.
[0021] The surface of limiting card 8 is movably connected to the surface of limiting through port 7, then the bottom surface of limiting card 8 is abutted to the top surface of plug-in block 6, if clamping workpiece of different sizes is needed, when limiting card 8 is pulled in the inside of limiting through port 7, so that clamping forceps 4 can be detached from the surface of stable mounting block 3.
[0022] Embodiment three, refer to the attached Figures 1 to 4On the basis of embodiment two, in order to clamp the workpiece by moving the clamp 4 on the surface of the mounting frame 2, the inside of the mounting frame 2 is provided with a guide groove 14, the surface of the guide groove 14 is movably connected with a limiting guide plate 13, the end surface of the limiting guide plate 13 is fixedly connected with the surface of a moving tooth plate 12, the surface of the moving tooth plate 12 is fixedly connected with a fixed block 16, the surface of the fixed block 16 is movably connected with the surface of a movable opening 15, the movable opening 15 is provided on the surface of the mounting frame 2, and the end of the fixed block 16 is integrally formed with the inner wall of the stable mounting block 3.
[0023] By fixing the two ends of the fixed block 16 on the surface of the stable mounting block 3 and the moving tooth plate 12 respectively, when the limiting guide plate 13 moves on the surface of the guide groove 14, the stable mounting block 3 can drive the clamp 4 to move on the surface of the mounting frame 2, so that the clamp 4 can clamp the workpiece by moving on the surface of the mounting frame 2.
[0024] Embodiment four, referring to the accompanying drawings Figures 1 to 4 On the basis of embodiment three, in order to make the clamp 4 automatically close to each other by moving in the mounting frame 2, the back surface of the mounting frame 2 is fixedly connected with a servo motor 10, the output shaft end of the servo motor 10 is fixedly connected with the surface of a driving gear 11, the teeth of the driving gear 11 are engaged with the teeth of a moving tooth plate 12, the moving tooth plate 12 is provided in two groups, and the two groups of moving tooth plates 12 are symmetrically arranged along the center axis of the mounting frame 2.
[0025] By engaging the teeth of the driving gear 11 with the teeth of the moving tooth plate 12, when the servo motor 10 is started to make the driving gear 11 rotate, the movement of the moving tooth plate 12 in the mounting frame 2 makes the clamp 4 automatically close to each other.
[0026] In actual use, by opening bolt holes on the top surface of the mounting frame 2, by passing bolts through the bolt holes on the top of the mounting frame 2, the mounting frame 2 can be fixedly installed on the top surface of the punch, the surface of the plug-in block 6 is plugged into the surface of the clamping groove 5, so that the stable mounting block 3 and the clamping jaw 4 can be stably connected, when the stable mounting block 3 moves on the surface of the mounting frame 2, the clamping jaw 4 can be moved by the stable mounting block 3 to clamp the workpiece on the top of the punch, by movably connecting the surface of the limiting card 8 to the surface of the limiting through hole 7, and then abutting the bottom surface of the limiting card 8 against the top surface of the plug-in block 6, if it is necessary to clamp workpieces of different sizes, when pulling the limiting card 8 in the limiting through hole 7, the clamping jaw 4 can be detached from the surface of the stable mounting block 3, by fixing the both ends of the fixed block 16 on the surface of the stable mounting block 3 and the moving tooth plate 12 respectively, when the limiting guide plate 13 moves on the surface of the guide groove 14, the stable mounting block 3 can drive the clamping jaw 4 to move on the surface of the mounting frame 2, so that the clamping jaw 4 can clamp the workpiece when moving on the surface of the mounting frame 2, by engaging the teeth of the driving gear 11 with the teeth of the moving tooth plate 12, when the servo motor 10 is started to rotate the driving gear 11, the movement of the moving tooth plate 12 in the mounting frame 2 makes the clamping jaw 4 automatically close to each other.
[0027] Although the embodiments of the present application have been shown and described, it should be understood by those skilled in the art that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents.
Claims
1. A press limit clamp comprising a base (1), characterised in that: The top surface of the base (1) is fixedly connected to the bottom surface of the mounting frame (2). Bolt holes are opened on the top surface of the mounting frame (2). A stabilizing mounting block (3) is movably provided on the surface of the mounting frame (2). A snap-fit groove (5) is opened on the top surface of the stabilizing mounting block (3). A plug-in block (6) is inserted into the surface of the snap-fit groove (5). A clamping plier (4) is fixedly connected to the end face of the plug-in block (6).
2. The press limit clamp of claim 1, wherein: The surface of the stabilizing mounting block (3) is provided with a limiting opening (7), the surface of the limiting opening (7) is movably connected to the surface of the limiting card (8), the bottom surface of the limiting card (8) abuts against the top surface of the plug-in block (6), and the top of the limiting card (8) is provided with a buckle groove (9).
3. The press limit clamp of claim 2, wherein: The cross-section of the limiting card (8) is set in an "I" shape. There are two sets of limiting cards (8), and the two sets of limiting cards (8) are symmetrically arranged along the central axis of the mounting frame (2).
4. The press limit clamp of claim 1, wherein: The mounting frame (2) has a guide groove (14) inside. A limiting guide plate (13) is movably connected to the surface of the guide groove (14). The end face of the limiting guide plate (13) is fixedly connected to the surface of the movable toothed plate (12). A fixing block (16) is fixedly connected to the surface of the movable toothed plate (12). The surface of the fixing block (16) is movably connected to the surface of the movable opening (15). The movable opening (15) is opened on the surface of the mounting frame (2). The end of the fixing block (16) is integrally formed on the inner wall of the stable mounting block (3).
5. A press hold-down clamp according to claim 4, wherein: The guide groove (14) completely penetrates the surface of the mounting frame (2). The surface of the guide groove (14) is in close contact with the surface of the limiting guide plate (13). The cross section of the limiting guide plate (13) is set in a "T" shape. There are two sets of limiting guide plates (13), and the two sets of limiting guide plates (13) are symmetrically arranged along the central axis of the mounting frame (2).
6. The press limit clamp of claim 1, wherein: A servo motor (10) is fixedly connected to the back surface of the mounting frame (2). The output shaft end of the servo motor (10) is fixedly connected to the surface of the drive gear (11). The teeth of the drive gear (11) mesh with the teeth of the moving gear plate (12). The moving gear plate (12) is configured in two sets, and the two sets of moving gear plates (12) are symmetrically arranged along the central axis of the mounting frame (2).