Stamping fixing device convenient to operate
Through the design of arcuate grooves and circumferential array positioning rods, the position offset and inconvenient adjustment of existing stamping fixtures when clamping circular or large workpieces is solved, and the precise alignment of the workpiece and the stamping head and multi-shaped adaptive positioning are achieved.
Patent Information
- Application Number
- CN202422770903.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-14
- Publication Date
- 2025-08-05
- Estimated Expiration
- 2034-11-14
AI Technical Summary
Existing stamping fixing devices tend to cause position deviation when clamping circular or large workpieces, and are not convenient enough to clamp workpieces of different sizes.
The arc-shaped groove design and the circumferential array positioning rod structure are adopted. Through the cooperation of the lever and the turntable, the workpiece is accurately positioned and multi-shaped adaptive positioning.
Accurate alignment of the workpiece and the stamping head is achieved, offset is avoided, and repeated adjustment is required, adapting to the rapid positioning of workpieces of different shapes.
Smart Images

Figure CN223185374U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of stamping and fixing devices, in particular to a stamping and fixing device which is easy to operate. Background Art
[0002] A stamping fixture is a tooling fixture used in stamping processes. Its primary function is to secure the workpiece to the die to ensure accurate and stable positioning during the stamping process. The design and manufacture of a stamping fixture must consider factors such as the workpiece's shape, size, and material, as well as the requirements of the stamping process. Furthermore, factors such as the device's reliability, safety, and ease of operation must also be considered.
[0003] According to a publicly disclosed mold stamping fixing device (Announcement No.: CN111229901A), when the workpiece is clamped by only two sets of clamping plates in the above application, if the workpiece is round or large, the position of the workpiece may be offset when clamped or the position of the punching head may not be accurately aligned. In addition, the size of the clamping plates needs to be adjusted when clamping workpieces of different sizes, which is not convenient enough. Utility Model Content
[0004] The purpose of the present invention is to provide a punching and fixing device that is easy to operate, so as to solve the problems raised in the above background technology.
[0005] To achieve the above-mentioned object, the present invention provides the following technical solution: a conveniently operated punching and fixing device, comprising a punching machine, a punching arm and a punching head, wherein the table of the punching machine is provided with an arc-shaped groove, and the table of the punching machine is provided with a positioning portion for facilitating the fixing of a workpiece, wherein the positioning portion comprises;
[0006] Among them, the positioning part includes a circular plate, a pressure rod, a punching table, a turntable, a transmission groove, a toggle rod, a movable groove, a fixed plate, a slide groove, a positioning rod, a slide plate, a transmission rod, a support rod, a pressure ring, a spring, an arc block, and a toggle groove. The top surface of the circular plate is fixedly connected to the bottom surface of the punching arm, the bottom surface of the circular plate is penetrated by the top end of the pressure rod, and the pressure rod is fixedly connected to the circular plate, the bottom surface of the punching table is fixedly connected to the table surface of the punching machine, the turntable is located on the inner side of the punching table and is rotatably connected, and the transmission groove is opened on the surface of the turntable.
[0007] Preferably, the end of the shifting rod close to the turntable is fixedly connected to the side of the turntable, and a movable groove is opened on the side of the punching table, and the shifting rod passes through the movable groove.
[0008] Preferably, the fixing plate passes through the punching platform, and the fixing plate is fixedly connected to the punching platform, and the sliding groove is provided on the surface of the fixing plate.
[0009] Preferably, the positioning rod passes through the slide groove and is slidably connected, the bottom surface of the positioning rod is fixedly connected to the top surface of the slide, and the bottom surface of the slide is passed through and rotatably connected by the transmission rod. Since the toggle groove is arc-shaped, and the toggle rod is inserted into the movable groove and limited by the movable groove, when the arc block moves downward, the toggle rod is forced to toggle the turntable located in the stamping table to rotate, so that the transmission groove on the surface of the turntable contacts the transmission rod, and the transmission rod passes through the transmission groove.
[0010] Preferably, the bottom end of the support rod is fixedly connected to the table of the punching machine, and the support rod passes through the pressure ring and is slidably connected. The length of the pressure rod is longer than the length of the punching head, so that the punching arm will first push the pressure rod to move downward against the pressure ring through the circular plate during the downward punching process, and a spring is fixedly connected between the bottom surface of the pressure ring and the table of the punching machine.
[0011] Preferably, an arc block is fixedly connected to the inner side of the pressure ring, and a toggle groove is provided on the inner side of the arc block. When the pressure ring moves downward, the arc block will be driven to move downward together, and the toggle groove on the inner side of the arc block will interfere with the toggle rod on the inner side of the toggle groove, and the toggle rod passes through the movable groove and is inserted into the toggle groove.
[0012] Compared with the prior art, the present invention provides a punching and fixing device that is easy to operate and has the following beneficial effects:
[0013] 1. The stamping fixing device is easy to operate. Since the toggle groove is arc-shaped, and the toggle rod is inserted into the movable groove and limited by the movable groove, when the arc block moves downward, the toggle rod is forced to toggle the turntable located in the stamping table to rotate, so that the transmission groove on the surface of the turntable contacts the transmission rod, and the positioning rod on the top of the slide passes through the slide groove, so that the slide groove limits the positioning rod, so that when the transmission rod is toggled, the slide drives the positioning rod to slide in the slide groove, so that the positioning rods in the circular array can position the workpiece to be stamped, and the positioning rods in the circular array can position workpieces of different shapes, which is convenient and fast, and there is no need to repeatedly adjust the fixing device to position the workpiece.
[0014] 2. This easy-to-operate stamping fixture can position the workpiece through six groups of positioning rods arranged in a circular array, so that the workpiece can always be aligned with the axis of the punch head. It can also prevent the workpiece from shifting when being punched by the punch head, making the stamping position more accurate. BRIEF DESCRIPTION OF THE DRAWINGS
[0015] Figure 1 This is a schematic diagram of the front view structure of the utility model;
[0016] Figure 2 This is a schematic diagram of the enlarged structure of the utility model;
[0017] Figure 3 This is an enlarged schematic diagram of the positioning portion of the utility model from a top view;
[0018] Figure 4 This is a schematic diagram of the enlarged structure of the positioning part of the utility model;
[0019] Figure 5 This is a schematic diagram of the expanded cross-section structure of the punching table of the present invention.
[0020] In the figure: 1. punching machine; 2. positioning part; 21. circular plate; 22. pressure rod; 23. punching table; 24. turntable; 25. transmission groove; 26. toggle rod; 27. movable groove; 28. fixed plate; 29. slide groove; 210. positioning rod; 211. slide plate; 212. transmission rod; 213. support rod; 214. pressure ring; 215. spring; 216. arc block; 217. toggle groove; 3. punching arm; 4. arc groove; 5. punching head. DETAILED DESCRIPTION
[0021] like Figure 1-Figure 5 As shown, the utility model provides a technical solution: a punching and fixing device that is easy to operate, including a punching machine 1, a punching arm 3 and a punching head 5. The table of the punching machine 1 is provided with an arc groove 4, and the table of the punching machine 1 is provided with a positioning part 2 for fixing the workpiece, and the positioning part 2 includes;
[0022] Among them, the positioning part 2 includes a circular plate 21, a pressure rod 22, a punching table 23, a turntable 24, a transmission groove 25, a toggle rod 26, a movable groove 27, a fixed plate 28, a slide 29, a positioning rod 210, a slide plate 211, a transmission rod 212, a support rod 213, a pressure ring 214, a spring 215, an arc block 216, and a toggle groove 217. The top surface of the circular plate 21 is fixedly connected to the bottom surface of the punching arm 3. The bottom surface of the circular plate 21 is penetrated by the top end of the pressure rod 22, and the pressure rod 22 is fixedly connected to the circular plate 21. The bottom surface of the punching table 23 is fixedly connected to the table surface of the punching machine 1. The turntable 24 is located on the inner side of the punching table 23 and is rotatably connected. The transmission groove 25 is provided on the surface of the turntable 24. The end of the toggle rod 26 close to the turntable 24 is fixedly connected to the side of the turntable 24. The side of the punching table 23 is provided with a movable groove 27, and the toggle rod 26 passes through the movable groove 27. The fixed plate 28 passes through the punching table 23 and is fixedly connected to the punching table 23. The slide groove 29 is formed on the surface of the fixed plate 28. The positioning rod 210 passes through the slide groove 29 and is slidably connected. The bottom surface of the positioning rod 210 is fixedly connected to the top surface of the slide plate 211. The bottom surface of the slide plate 211 is penetrated by the transmission rod 212 and is rotatably connected. Because the toggle groove 217 is arc-shaped and the toggle rod 26 is inserted into the movable groove 27 and is limited by the movable groove 27, when the arc block 216 moves downward, it forces the toggle rod 26 to toggle the turntable 24 to rotate within the punching table 23, so that the transmission groove 25 on the surface of the turntable 24 contacts the transmission rod 212, and the transmission rod 212 passes through the transmission groove 25. The bottom end of the support rod 213 is fixedly connected to the table of the punching machine 1, and the support rod 213 passes through the pressure ring 214 and is slidably connected. When the punching fixing device is used, the workpiece to be punched is first placed on the fixed plate 28 inside the punching table 23, and then the punching arm 3 of the punching machine 1 can be directly started, so that the punching arm 3 drives the circular plate 21 and the punching head 5 to move downward, and the length of the pressure rod 22 is longer than the length of the punching head 5, so that the punching arm 3 will first push the pressure rod 22 to move downward against the pressure ring 214 through the circular plate 21 during the downward punching process, and a spring 215 is fixedly connected between the bottom surface of the pressure ring 214 and the table of the punching machine 1. An arc block 216 is fixedly connected to the inner side of the pressure ring 214, and a toggle groove 217 is opened on the inner side of the arc block 216. During the downward punching process, the punching arm 3 will first push the pressure rod 22 through the circular plate 21 to move downward against the pressure ring 214. The pressure ring 214 will be pressed to compress the spring 215, and when the pressure ring 214 moves downward, it will drive the arc block 216 to move downward together, and the toggle groove 217 on the inner side of the arc block 216 will resist the toggle rod 26 on the inner side of the toggle groove 217, and the toggle rod 26 passes through the movable groove 27 and is inserted into the toggle groove 217.
[0023] Based on the above embodiment, when the stamping fixing device is used, the workpiece to be stamped is first placed on the fixed plate 28 inside the stamping table 23, and then the stamping arm 3 of the stamping machine 1 can be directly started, so that the stamping arm 3 drives the circular plate 21 and the stamping head 5 to move downward, and the length of the pressure rod 22 is longer than the length of the stamping head 5, so that the stamping arm 3 will first push the pressure rod 22 to move downward against the pressure ring 214 through the circular plate 21 during the downward stamping process, and the pressure ring 214 will be pressed to compress the spring 215, and while the pressure ring 214 moves downward, it will drive the arc block 216 to move downward together, and the toggle groove 217 inside the arc block 216 will toggle the toggle rod 26 inside the toggle groove 217, and since the toggle groove 217 is an arc shaped, and the shift rod 26 is inserted into the movable groove 27 and limited by the movable groove 27, and then when the arc block 216 moves downward, the shift rod 26 is forced to shift the turntable 24 to rotate in the stamping table 23, so that the transmission groove 25 on the surface of the turntable 24 contacts the transmission rod 212, and the positioning rod 210 on the top of the slide 211 passes through the slide 29, so that the slide 29 limits the positioning rod 210, so that when the transmission rod 212 is shifted, the slide 211 drives the positioning rod 210 to slide in the slide 29, so that the circular array of positioning rods 210 can position the workpiece to be stamped, and the circular array of positioning rods 210 can position workpieces of different shapes, which is convenient and fast, and there is no need to repeatedly adjust the fixing device to position the workpiece.
[0024] At the same time, the positioning rods 210 arranged in six groups of circular arrays can keep the workpiece always aligned with the punch head 5 when positioning the workpiece, and can also prevent the workpiece from being offset when punched by the punch head 5, making the punching position more accurate.
[0025] The above generally describes the present invention in detail. However, it is obvious to those skilled in the art that modifications or improvements may be made to the present invention. Therefore, modifications or improvements that do not depart from the spirit of the present invention are within the scope of protection of the present invention.
Claims
1. A punching and fixing device that is easy to operate, comprising a punching machine (1), a punching arm (3) and a punching head (5), characterized in that: The table of the punching machine (1) is provided with an arc groove (4), and the table of the punching machine (1) is provided with a positioning portion (2) for facilitating the fixing of a workpiece, wherein the positioning portion (2) comprises: Wherein, the positioning part (2) includes a circular plate (21), a pressure rod (22), a punching table (23), a turntable (24), a transmission groove (25), a shifting rod (26), a movable groove (27), a fixed plate (28), a sliding groove (29), a positioning rod (210), a slide plate (211), a transmission rod (212), a support rod (213), a pressure ring (214), a spring (215), an arc block (216), and a shifting groove (217); the top surface of the circular plate (21) is fixedly connected to the bottom surface of the punching arm (3); the bottom surface of the circular plate (21) is penetrated by the top end of the pressure rod (22), and the pressure rod (22) is fixedly connected to the circular plate (21); the bottom surface of the punching table (23) is fixedly connected to the table surface of the punching machine (1); the turntable (24) is located on the inner side of the punching table (23) and is rotatably connected; and the transmission groove (25) is provided on the surface of the turntable (24).
2. The easy-to-operate punching and fixing device according to claim 1, characterized in that: One end of the shifting rod (26) close to the turntable (24) is fixedly connected to the side of the turntable (24); a movable groove (27) is provided on the side of the punching platform (23); and the shifting rod (26) passes through the movable groove (27).
3. The easy-to-operate punching and fixing device according to claim 2, characterized in that: The fixed disk (28) passes through the punching platform (23), and the fixed disk (28) is fixedly connected to the punching platform (23), and the sliding groove (29) is opened on the surface of the fixed disk (28).
4. The easy-to-operate punching and fixing device according to claim 1, characterized in that: The positioning rod (210) passes through the slide groove (29) and is slidably connected. The bottom surface of the positioning rod (210) is fixedly connected to the top surface of the slide plate (211). The bottom surface of the slide plate (211) is passed through and rotatably connected by a transmission rod (212). The transmission rod (212) passes through the transmission groove (25).
5. The easy-to-operate punching and fixing device according to claim 1, characterized in that: The bottom end of the support rod (213) is fixedly connected to the table of the punching machine (1), the support rod (213) passes through the pressure ring (214) and is slidably connected, and a spring (215) is fixedly connected between the bottom surface of the pressure ring (214) and the table of the punching machine (1).
6. The easy-to-operate punching and fixing device according to claim 5, characterized in that: The inner side of the pressure ring (214) is fixedly connected with an arc block (216), the inner side of the arc block (216) is provided with a toggle groove (217), and the toggle rod (26) passes through the movable groove (27) and is inserted into the toggle groove (217).
Citation Information
Patent Citations
Mold punching and fixing device
CN111229901A