Rotary clamp
The rotating clamp with a threaded drive mechanism addresses the precision issue of existing rotary clamps by enabling precise angle adjustment through two-way threaded rods and guide frames, enhancing accuracy in workpiece rotation.
Patent Information
- Application Number
- CN202420032004.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-01-08
- Publication Date
- 2024-12-31
- Estimated Expiration
- 2034-01-08
AI Technical Summary
Existing rotary clamps on the market lack high precision due to motor-driven or manual methods that are difficult to meet high-precision usage requirements.
A rotating clamp with a threaded drive mechanism using two-way threaded rods, transmission gears, and guide frames for precise adjustment, allowing fine control of the workpiece's angle.
Provides finer adjustment accuracy compared to motor or manual methods, ensuring high-precision rotation of the workpiece.
Smart Images
Figure CN222269978U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the field of clamps, and in particular relates to a rotating clamp. Background Art
[0002] A fixture is a device used to fix the workpiece in the mechanical manufacturing process so that it occupies the correct position for construction or inspection. In a broad sense, any device used to quickly, conveniently and safely install the workpiece in any process can be called a fixture.
[0003] A rotary clamp is a type of clamp, which is mainly used to drive the workpiece to rotate after clamping and fixing it in order to adjust the angle of the workpiece. However, most rotary clamps on the market are directly driven by motors or manual methods. Due to the fast motor speed and poor manual adjustment accuracy, this driving method is difficult to meet high-precision usage requirements. Utility Model Content
[0004] In view of one or more of the above defects or improvement requirements of the prior art, the utility model provides a rotating clamp with the advantage of high precision.
[0005] To achieve the above-mentioned purpose, the utility model provides a rotating clamp, including a frame, the frame is a square frame, the bottom of the frame is closed, the top of the frame is open, the middle of the inner cavity of the frame is provided with a rotating clamp, the rotating clamp includes a mounting frame and a rotating rod, the two ends of the mounting frame are respectively fixedly connected to the front and rear side walls of the middle of the inner cavity of the frame, the middle of the mounting frame is embedded with a rotating rod, the mounting frame is rotatably connected to the rotating rod, the top of the rotating rod is fixedly connected to the bottom of the clamp body, an adjusting component is provided inside the frame, the adjusting component runs through the frame, two guide components are provided on the adjusting component, and the two guide components are respectively connected to the left and right side walls of the clamp body;
[0006] The adjusting assembly includes a two-way threaded rod and a fixed screw. There are two two-way threaded rods, which are respectively located at the front and rear edges of the inner cavity of the frame. The middle parts of the two two-way threaded rods respectively pass through the two ends of the mounting frame, and the two-way threaded rods are clearance-matched with the mounting frame. The two ends of the two-way threaded rod respectively pass through the left and right side walls of the frame and are rotatably connected to the frame. The left ends of the two two-way threaded rods are respectively fixedly connected with transmission gears, and the two transmission gears are respectively meshed with two gears. The two gears are respectively fixedly connected to the two ends of the transmission shaft, and the transmission shaft passes through the fixed rod, and the transmission shaft and the fixed rod are rotationally matched. The fixed rod is fixed to the left outer wall of the frame, and the fixed screw is located at the right edge of the front end of the frame. The rear end of the fixed screw passes through the frame and is threadedly connected to the frame. The rear end of the fixed screw is tightly pressed against the outer wall of the front two-way threaded rod, and the right end of the rear two-way threaded rod passes through the outside of the frame, and the right end of the rear two-way threaded rod is fixedly connected to a threaded cap, which is rotationally matched with the outer wall of the frame.
[0007] The guide assembly includes a guide frame, which is a rectangular strip plate. Two guide frames are on the left and right sides of the frame. The two guide frames are slidably connected in the frame. A slide groove is opened on one side of the top of each guide frame. The two slide grooves are in opposite directions. A guide shaft is slidably connected inside the slide groove. The guide shaft passes through the slide groove. The top of the guide shaft is rotatably connected to the connecting frame. One end of the two connecting frames is fixedly connected to the middle of the opposite side walls of the clamp body.
[0008] In general, compared with the prior art, the above technical solutions conceived by the utility model have the following beneficial effects:
[0009] Compared with directly using a motor or manual method to drive the fixture body to rotate, the rotary fixture of the utility model can provide finer adjustment accuracy by adopting a threaded drive method. BRIEF DESCRIPTION OF THE DRAWINGS
[0010] Figure 1 It is a schematic diagram of the structure of the utility model;
[0011] Figure 2 This is a schematic diagram of the disassembly structure of the fixture body of the utility model;
[0012] Figure 3 It is a schematic diagram of an embodiment of the utility model.
[0013] In all the drawings, the same figure marks represent the same technical features, specifically: 1. frame; 2. rotating clamp; 21. mounting frame; 22. rotating rod; 23. clamp body; 3. adjustment assembly; 31. bidirectional threaded rod; 32. fixed screw; 33. transmission wheel; 34. transmission belt; 35. transmission shaft; 4. guide assembly; 41. guide frame; 42. slide groove; 43. guide shaft; 44. connecting frame; 5. threaded cap; 6. flat plate; 61. pressure plate; 62. screw. DETAILED DESCRIPTION
[0014] Depend on Figure 1-3The frame 1 is a square frame, the bottom of the frame 1 is closed, the top of the frame 1 is open, a rotating fixture 2 is arranged in the middle of the inner cavity of the frame 1, the rotating fixture 2 includes a mounting frame 21 and a rotating rod 22, both ends of the mounting frame 21 are respectively fixedly connected to the front and rear side walls of the middle of the inner cavity of the frame 1, a rotating rod 22 is embedded in the middle of the mounting frame 21, the mounting frame 21 is rotatably connected to the rotating rod 22, the top of the rotating rod 22 is fixedly connected to the bottom of the fixture body 23, an adjusting component 3 is arranged inside the frame 1, the adjusting component 3 runs through the frame 1, and two guiding components 4 are arranged on the adjusting component 3. The two guide assemblies 4 are respectively connected to the left and right side walls of the clamp body 23; the clamp body 23 is a prior art device, for example, the clamp body 23 includes a flat plate 6, the bottom of the flat plate 6 is fixedly connected to the top of the rotating rod 22, the four corners of the upper part of the flat plate 6 are respectively vertically rotatably connected to the bottom of the screw 62, the middle of the outer walls on the opposite sides of the flat plate 6 is fixedly connected to the connecting frame 4, the bottom of the connecting frame 4 is vertically connected to the guide shaft 43, and the connecting frame 4 is rotatably connected to the guide shaft 43; the screw 62 passes through the pressing plate 61, the screw 62 is threadedly connected to the pressing plate 61, and the pressing plate 61 presses the pressed component. The clamp body 23 can use other clamps.
[0015] The adjustment assembly 3 includes a bidirectional threaded rod 31 and a fixed screw 32. There are two bidirectional threaded rods 31. The two bidirectional threaded rods 31 are respectively located at the edges of the front and rear sides of the inner cavity of the frame 1. The middle parts of the two bidirectional threaded rods 31 respectively penetrate the two ends of the mounting frame 21. The bidirectional threaded rods 31 and the mounting frame 21 are clearance-matched. The two ends of the bidirectional threaded rods 31 respectively penetrate the left and right side walls of the frame 1 and are rotatably connected to the frame 1. The left ends of the two bidirectional threaded rods 31 are respectively fixedly connected with transmission gears 33. The two transmission gears 33 are respectively meshed with two gears 36. The two gears 36 are meshed with the two gears 36. 6 are respectively fixedly connected at both ends of the transmission shaft 35, the transmission shaft 35 passes through the fixing rod 34, the transmission shaft 35 and the fixing rod 34 are rotatably matched, the fixing rod 34 is fixed to the left outer wall of the frame 1, the fixing screw 32 is located at the right edge of the front end of the frame 1, the rear end of the fixing screw 32 passes through the frame 1 and is threadedly connected to the frame 1, the rear end of the fixing screw 32 is tightly pressed against the outer wall of the front bidirectional threaded rod 31, the right end of the rear bidirectional threaded rod 31 passes through the outside of the frame 1, the right end of the rear bidirectional threaded rod 31 is fixedly connected to the threaded cap 5, and the threaded cap 5 is rotatably matched with the outer wall of the frame 1.
[0016] The guide assembly 4 includes a guide frame 41, which is a rectangular strip plate. The two guide frames 41 are on the left and right sides of the frame 1. The two guide frames 41 are slidably connected in the frame 1. A slide groove 42 is opened on one side of the top of each guide frame 41. The two slide grooves 42 are in opposite directions. A guide shaft 43 is slidably connected inside the slide groove 42. The guide shaft 43 passes through the slide groove 42. The top of the guide shaft 43 is rotatably connected to the connecting frame 44, and one end of the two connecting frames 44 is fixedly connected to the middle of the opposite side walls of the clamp body 23.
[0017] The rotating clamp of the utility model can clamp and fix the external workpiece when it is needed to be used. When the workpiece needs to be rotated, the threaded nut 5 can be rotated through the existing device first. The rotation of the threaded nut 5 will drive the two-way threaded rod 31 to rotate. Under the drive of the transmission wheel 33 and the transmission belt 34, the two-way threaded rod 31 on the other side rotates synchronously. In this process, the two two-way threaded rods 31 rotate and drive the two guide frames 41 to approach. Under the cooperation between the slide groove 42 and the guide shaft 43, the clamp body 23 is driven to rotate to adjust the angle of the workpiece during processing. After adjustment, the fixing screw 32 can be screwed. After the fixing screw 32 and the front two-way threaded rod 31 are tightened, the current rotation angle of the clamp body 23 can be fixed. Compared with directly using a motor or manual method to drive the clamp body 23 to rotate, the clamp body 23 can bring more fine adjustment accuracy by adopting a threaded drive method.
Claims
1. A rotary fixture, comprising a frame (1), characterized in that: The frame (1) is a square frame, the bottom of the frame (1) is closed, the top of the frame (1) is open, a rotating fixture (2) is arranged in the middle of the inner cavity of the frame (1), the rotating fixture (2) comprises a mounting frame (21) and a rotating rod (22), the two ends of the mounting frame (21) are respectively fixedly connected to the front and rear side walls of the middle of the inner cavity of the frame (1), the middle of the mounting frame (21) is embedded with the rotating rod (22), the mounting frame (21) is rotatably connected to the rotating rod (22), the top of the rotating rod (22) is fixedly connected to the bottom of the fixture body (23), an adjusting component (3) is arranged inside the frame (1), the adjusting component (3) passes through the frame (1), two guiding components (4) are arranged on the adjusting component (3), and the two guiding components (4) are respectively connected to the left and right side walls of the fixture body (23); The adjustment assembly (3) comprises a bidirectional threaded rod (31) and a fixed screw rod (32). There are two bidirectional threaded rods (31). The two bidirectional threaded rods (31) are respectively located at the front and rear edges of the inner cavity of the frame (1). The middle parts of the two bidirectional threaded rods (31) respectively penetrate the two ends of the mounting frame (21). The bidirectional threaded rods (31) and the mounting frame (21) are clearance-matched. The two ends of the bidirectional threaded rods (31) respectively penetrate the left and right side walls of the frame (1) and are rotatably connected to the frame (1). The left ends of the two bidirectional threaded rods (31) are respectively fixedly connected with transmission gears (33). The two transmission gears (33) are respectively meshed with two gears (36). The two gears (36) are respectively The fixing rod (34) is fixedly connected to both ends of the transmission shaft (35), the transmission shaft (35) passes through the fixing rod (34), the transmission shaft (35) and the fixing rod (34) are rotatably matched, the fixing rod (34) is fixed to the left outer wall of the frame (1), the fixing screw rod (32) is located at the right edge of the front end of the frame (1), the rear end of the fixing screw rod (32) passes through the frame (1) and is threadedly connected to the frame (1), the rear end of the fixing screw rod (32) is tightly pressed against the outer wall of the front bidirectional threaded rod (31), the right end of the rear bidirectional threaded rod (31) passes through the outside of the frame (1), the right end of the rear bidirectional threaded rod (31) is fixedly connected to the threaded cap (5), and the threaded cap (5) is rotatably matched with the outer wall of the frame (1).
2. The rotary fixture according to claim 1, characterized in that: The guide assembly (4) comprises a guide frame (41), the guide frame (41) is a rectangular strip plate, two guide frames (41) are on the left and right sides of the frame (1), the two guide frames (41) are slidably connected in the frame (1), a slide groove (42) is opened on one side of the top of each guide frame (41), the two slide grooves (42) are in opposite directions, a guide shaft (43) is slidably connected inside the slide groove (42), the guide shaft (43) passes through the slide groove (42), the top of the guide shaft (43) is rotatably connected to the connecting frame (44), and one end of the two connecting frames (44) is fixedly connected to the middle of the opposite side wall of the clamp body (23).