Clamp with overturning and positioning functions
By designing a fixture with a flipping positioning function, and utilizing the synergistic effect of the brake disc, clamping blocks, and springs, the workpiece can be stably fixed at any angle. This solves the problems of multiple clamping and cumbersome angle adjustments required by traditional fixtures, improves machining accuracy and efficiency, and reduces costs.
Patent Information
- Application Number
- CN202520799602.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-25
- Publication Date
- 2026-01-16
- Estimated Expiration
- 2035-04-25
AI Technical Summary
Traditional fixtures require multiple re-clamping operations when machining multiple surfaces, resulting in high time and manpower costs and a tendency to introduce positioning errors. Furthermore, the existing angle adjustment process is cumbersome and lacks a simple and quick locking mechanism, which affects machining accuracy and product quality.
A fixture with a flipping positioning function was designed. Through the coordinated operation of the brake disc, clamping block and spring, the rotation axis angle can be precisely locked and flexibly adjusted. Combined with the structure of the cylinder and connecting parts, the workpiece is stably fixed at any angle, and the scale provides accurate angle indication.
It achieves stable fixation of workpieces at any desired angle, simplifies the operation process, improves processing accuracy and efficiency, reduces manufacturing and maintenance difficulty, and reduces costs by using standard parts.
Smart Images
Figure CN223802029U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to mechanical processing auxiliary equipment field especially, a clamp with turnover positioning function. BACKGROUND
[0002] In modern mechanical manufacturing industry, the main role of the fixture is to fix the workpiece in the machining process, to ensure that it keeps stable position when machining, to prevent displacement, shaking or deformation due to external force (such as cutting force, machine tool vibration), to protect the machining accuracy.
[0003] When the traditional fixture needs to process multiple faces of the workpiece, it usually needs to clamp the workpiece multiple times, which not only consumes a lot of time and manpower, but also introduces positioning error due to frequent clamping, reduces the machining accuracy of the workpiece, and affects the product quality. In addition, some existing fixtures with angle adjustment function have complicated adjustment process and lack simple and quick locking mechanism. Therefore, it has important practical significance to develop a fixture that can be quickly and reliably locked. SUMMARY
[0004] In order to overcome the defect that the angle adjustment process of the traditional fixture is complicated, the utility model aims at: providing a clamp with turnover positioning function.
[0005] The technical scheme is: a clamp with turnover positioning function, comprising a base, a stand, a bearing seat, a shaft, a connecting plate, a cylinder, a pressing block, a first connecting piece, a second connecting piece, a positioning table and a turnover positioning mechanism, the opposite sides of the upper end of the base are each provided with a stand, the stand is provided with a turnover positioning mechanism, the top end of the stand is provided with a bearing seat, the bearing seat is rotatably connected with a shaft, the shaft is fixedly connected with a connecting plate, the top end of the connecting plate is provided with a positioning table, the periphery of the positioning table is provided with four cylinders, the piston rod of the cylinder is rotatably connected with a pressing block, the pressing block is provided with a first connecting piece, the first connecting piece is rotatably connected with the connecting plate, the cylinder barrel is provided with a second connecting piece, and the second connecting piece is rotatably connected with the connecting plate.
[0006] Further, the turnover positioning mechanism comprises a brake disc, a clamp block and a spring, the brake disc is fixedly connected to the shaft close to the bearing seat, two clamp blocks are rotatably connected to the stand close to the brake disc, a spring is installed between the clamp blocks, and the upper end of the clamp block is in contact with the brake disc.
[0007] Further, it further comprises a scale, and the brake disc is marked with a scale.
[0008] Further, it further comprises a foot prop, and the lower end of the base is provided with four foot props.
[0009] Further, it further comprises a buffer pad, and the bottom end of the pressing block is provided with a buffer pad.
[0010] Further, the handle is further included, and the handle is fixedly connected to the rotating shaft close to the brake disc.
[0011] The utility model has the advantages of the following:
[0012] 1. The utility model discloses a brake disc, clamp block and spring cooperate, realize accurate locking and flexible adjustment of rotating angle of rotating shaft, and further ensure that positioning table and workpiece can be stably fixed at any desired angle, and simple and efficient operation experience is achieved.
[0013] 2. Brake disc, clamp block, spring and cylinder and other components selected by the utility model are all standard parts commonly seen in the market, easy to purchase and low in cost, and the simple and clear structure design reduces the difficulty of manufacturing, installation and maintenance. DRAWINGS
[0014] Figure 1 It is a three-dimensional structure schematic view of the utility model.
[0015] Figure 2 It is a three-dimensional structure schematic view of the base, foot support and column of the utility model.
[0016] Figure 3 It is a three-dimensional structure schematic view of the cylinder, pressing block and positioning table of the utility model.
[0017] Figure 4 It is a three-dimensional structure schematic view of the brake disc, clamp block and spring of the utility model.
[0018] Drawing reference: 1-base, 101-foot support, 2-column, 3-bearing seat, 4-rotating shaft, 5-connection plate, 6-cylinder, 7-pressing block, 701-cushion pad, 8-first connecting piece, 801-second connecting piece, 9-positioning table, 10-handle, 11-brake disc, 1101-scale, 12-clamp block, 13-spring. DETAILED DESCRIPTION
[0019] The technical solutions 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 belong to the protection scope of the utility model.
[0020] Embodiment: a clamp with overturning positioning function, such as Figures 1-4As shown, including the base 1, column 2, bearing seat 3, shaft 4, connecting plate 5, cylinder 6, pressing block 7, first connecting piece 8, second connecting piece 801, positioning table 9 and turnover positioning mechanism, the upper end of the base 1 is provided with two columns 2 on the opposite sides, the column 2 is provided with a turnover positioning mechanism, the top of the column 2 is provided with a bearing seat 3, the bearing seat 3 is rotatably connected with a rotating shaft 4, the rotating shaft 4 is fixedly connected with a connecting plate 5, the top of the connecting plate 5 is provided with a positioning table 9, the outer periphery of the positioning table 9 is provided with four cylinders 6, the piston rod of the cylinder 6 is rotatably connected with a pressing block 7, the pressing block 7 is provided with a first connecting piece 8, the first connecting piece 8 is rotatably connected with the connecting plate 5, the cylinder barrel of the cylinder 6 is provided with a second connecting piece 801, and the second connecting piece 801 is rotatably connected with the connecting plate 5.
[0021] As shown in Figure 4 , the turnover positioning mechanism comprises a brake disc 11, a clamp block 12 and a spring 13, the rotating shaft 4 is fixedly connected with the brake disc 11 near the bearing seat 3, the column 2 is rotatably connected with two clamp blocks 12 near the brake disc 11, the clamp blocks 12 are provided with a spring 13 therebetween, the upper end of the clamp block 12 is in contact with the brake disc 11, and the precise locking and flexible adjustment of the rotating angle of the rotating shaft 4 are realized through the turnover positioning mechanism, thereby ensuring that the positioning table 9 and the workpiece can be stably fixed at any desired angle and achieving a simple and efficient operation experience.
[0022] As shown in Figure 4 , the brake disc 11 is marked with a scale 1101, the brake disc 11 is marked with an accurate scale 1101 on the surface by using a laser etching process, and the minimum scale value of the scale 1101 can reach 1°, which provides an intuitive and accurate angle indication for the operator, facilitating high-precision angle adjustment.
[0023] As shown in Figures 1-2 , the lower end of the base 1 is provided with four foot supports 101, the foot supports 101 are made of high-strength carbon steel material, and the bottom is provided with anti-skid rubber pads, which can effectively increase the friction between the device and the working platform and prevent the device from moving during work.
[0024] As shown in Figure 3 , the bottom end of the pressing block 7 is provided with a buffer pad 701, the buffer pad 701 is made of polyurethane rubber with high elasticity and high wear resistance, which can play a good buffering and damping role when the pressing block 7 is pressed against the workpiece, effectively avoiding damage such as indentation and scratching on the surface of the workpiece, and protecting the surface quality of the workpiece.
[0025] As shown in Figure 4 , the rotating shaft 4 is fixedly connected with a handle 10 near the brake disc 11, the surface of the handle 10 is treated by knurling to increase the friction, which is convenient for the operator to hold and force, and the handle 10 can be easily rotated to adjust the angle of the positioning table.
[0026] The operator places the workpiece on the positioning table 9, and then starts the air cylinder 6, the piston rod of the air cylinder 6 is elongated, the piston rod pushes the pressing block 7, the pressing block 7 is rotated around the rotating shaft 4 of the first connecting piece 8, and finally the pressing block 7 is buckled on the workpiece, the fixing of the workpiece is completed, when the workpiece needs to be rotated by an angle, the lower end of the clamping block 12 can be pinched by hand, so that the upper ends of the two clamping blocks 12 rotate away from each other, at this time the spring 13 is compressed, and the upper end of the clamping block 12 is no longer in contact with the brake disc 11, after losing the fixation of the clamping block 12, the brake disc 11 and the rotating shaft 4 can be freely rotated, the operator rotates the handle 10 through the scale 1101 on the brake disc 11, so as to accurately adjust the positioning table 9 to the corresponding angle, and then releases the clamping block 12, the lower end of the two clamping blocks 12 is pushed away from each other by the restoring force of the spring 13, so that the upper end of the two clamping blocks 12 is close to the center, and the clamping block 12 is abutted against the brake disc 11, the brake disc 11 is fixed, and the whole fixing work of the workpiece is completed.
[0027] Although the embodiments of the present application have been shown and described, it is to be understood that for the purpose of the present application, the embodiments can be changed or modified without departing from the spirit and scope of the present application, and the scope of the present application is defined by the appended claims and their equivalents.
Claims
1. A clamp with a turnover positioning function, comprising a base (1), characterized in that, The utility model also includes a stand (2), a bearing seat (3), a rotating shaft (4), a connecting plate (5), a cylinder (6), a pressing block (7), a first connecting piece (8), a second connecting piece (801), a positioning table (9) and a turnover positioning mechanism, opposite sides of the upper end of the base (1) are provided with the stand (2), the stand (2) is provided with the turnover positioning mechanism, the top of the stand (2) is provided with the bearing seat (3), the bearing seat (3) is rotatably connected with the rotating shaft (4), the rotating shaft (4) is fixedly connected with the connecting plate (5), the top of the connecting plate (5) is provided with the positioning table (9), the periphery of the positioning table (9) is provided with four cylinders (6), the piston rod of the cylinder (6) is rotatably connected with the pressing block (7), the pressing block (7) is provided with the first connecting piece (8), the first connecting piece (8) is rotatably connected with the connecting plate (5), the cylinder barrel of the cylinder (6) is provided with the second connecting piece (801), and the second connecting piece (801) is rotatably connected with the connecting plate (5).
2. The fixture with the turnover positioning function according to claim 1, characterized in that the turnover The positioning mechanism includes a brake disc (11), a clamping block (12) and a spring (13), the brake disc (11) is fixedly connected to the rotating shaft (4) close to the bearing seat (3), the stand (2) is rotatably connected with two clamping blocks (12) close to the brake disc (11), the spring (13) is arranged between the clamping blocks (12), and the upper end of the clamping block (12) is in contact with the brake disc (11).
3. The fixture with the turnover positioning function according to claim 2, characterized in that, The utility model also includes a scale (1101), and the brake disc (11) is marked with the scale (1101).
4. The fixture with the turnover positioning function according to claim 3, characterized in that, The utility model also includes a foot prop (101), and the lower end of the base (1) is provided with four foot props (101).
5. The fixture with the turnover positioning function according to claim 4, characterized in that, The utility model also includes a buffer pad (701), and the bottom of the pressing block (7) is provided with the buffer pad (701).
6. The fixture with the turnover positioning function according to claim 5, characterized in that, The utility model also includes a handle (10), and the handle (10) is fixedly connected to the rotating shaft (4) close to the brake disc (11).