Fixing device for ejector pin machining
Through the combination of rotation and moving mechanisms, the problem that the existing thimble processing device cannot process and fix thimbles in multiple directions, achieving the effect of stable clamping and multi-directional processing.
Patent Information
- Application Number
- CN202422458799.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-10-11
- Publication Date
- 2025-09-02
- Estimated Expiration
- 2034-10-11
AI Technical Summary
The existing thimble processing device cannot achieve multi-directional processing, and it is not convenient to fix thimbles of different sizes.
A fixing device including a rotating mechanism and a moving mechanism is designed to rotate and clamp the thimble through a motor-driven gear transmission, and to fix and move the thimble in combination with a threaded rod transmission.
It realizes multi-directional processing and stable clamping of thimbles to prevent displacement during processing and adapt to the fixing needs of thimbles of different sizes.
Smart Images

Figure CN223289764U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of thimble processing, in particular to a fixing device for thimble processing. Background Art
[0002] During the processing of the ejector pin, it is usually necessary to clamp and fix it to prevent the ejector pin from moving during the processing.
[0003] Chinese patent application publication number CN208570486U discloses a size-adjustable fixture for rough machining of the outer diameter of an ejector sleeve. This patent incorporates a fixing collar, a spring, an arc-shaped plate, a control rod, a rotating shaft, an extrusion piston, an adjustment block, a piston, and an oil chamber. This design effectively secures the ejector sleeve, resolving the issue with existing fixtures for rough machining of the outer diameter of an ejector sleeve, which are difficult to adjust for ejector sleeves of different sizes. This improves the practicality of the present invention.
[0004] When using the above patent, we found that the device does not have the ability to drive the ejector pin to rotate. When the processing orientation of the ejector pin needs to be changed, it is not convenient to perform multi-directional processing on the ejector pin. Therefore, we proposed a fixing device for ejector pin processing. Utility Model Content
[0005] The purpose of the utility model is to solve the shortcomings of the prior art and to propose a fixing device for ejector pin processing.
[0006] In order to achieve the above purpose, the present invention adopts the following technical solutions:
[0007] A fixing device for thimble processing includes a base, a fixing frame fixed to the top of the base, a fixing frame installed on the fixing frame via a rotating mechanism, the rotating mechanism is used to drive the fixing frame to rotate, two clamping blocks are installed inside the fixing frame via a moving mechanism, the moving mechanism is used to drive the clamping blocks to move, the thimbles are placed on the clamping blocks, and a support frame is slidably installed on the top of the base.
[0008] Preferably, the moving mechanism includes a handle, a threaded rod, a threaded sleeve, a fixed plate, a connecting rod, a movable block and a bracket. The threaded rod is rotatably installed inside the fixed frame. The threaded rod rotatably passes through the fixed frame and is connected to the handle. The threaded rod is connected to the threaded sleeve through a threaded sleeve. The end of the threaded sleeve is fixed to the fixed plate. The two sides of the fixed plate are hinged with movable blocks through connecting rods. The side of the movable block is fixed with a bracket, and the bracket is fixedly connected to the clamping block.
[0009] Preferably, a sliding hole is provided inside the fixing frame, and the bracket is slidably installed in the sliding hole.
[0010] Preferably, the rotating mechanism includes a motor, a first rotating shaft, a first gear, a second rotating shaft and a second gear. The motor is installed on the side of the fixed frame. The output shaft of the motor rotates through the fixed frame and is connected to the first rotating shaft. The first rotating shaft is fixedly sleeved with a first gear. The second rotating shaft is rotatably installed inside the fixed frame. The second rotating shaft is fixed with a second gear. The first gear and the second gear are engaged for transmission. The second rotating shaft is fixedly connected to the fixed frame.
[0011] Preferably, a guide groove is provided inside the fixing frame, a guide block is fixed to the side of the clamping block, and the guide block is slidably installed in the guide groove.
[0012] Compared with the prior art, the beneficial effects of the present invention are:
[0013] 1. In the utility model, by rotating the handle, the threaded sleeve drives the fixed plate to move through the threaded transmission of the threaded rod and the threaded sleeve, so that the fixed plate drives the connecting rod to move. Through the cooperation of the connecting rod, the movable block drives the bracket to move, so that the bracket drives the two clamping blocks to move toward or away from each other, so that the clamping blocks can clamp and fix the ejector pin to prevent the ejector pin from displacement during processing.
[0014] 2. In the present invention, the motor is started, the first shaft drives the first gear to rotate, and through the meshing transmission of the first gear and the second gear, the second gear drives the second shaft to rotate, so that the second shaft drives the fixed frame to rotate, thereby driving the ejector pin to rotate through the fixed frame, which facilitates multi-directional processing of the ejector pin. BRIEF DESCRIPTION OF THE DRAWINGS
[0015] Figure 1 This is a structural schematic diagram of a fixing device for ejector pin processing proposed by the present invention;
[0016] Figure 2 This is a schematic diagram of the clamping block structure of a fixing device for ejector processing proposed by the present invention;
[0017] Figure 3 This is a schematic diagram of the moving mechanism of a fixing device for ejector processing proposed by the present invention;
[0018] Figure 4 This is a side view of the moving mechanism of a fixing device for ejector processing proposed by the present invention;
[0019] Figure 5 This is a schematic diagram of the rotating mechanism of a fixing device for ejector processing proposed by the present invention.
[0020] In the figure: 1 base, 2 fixed frame, 3 rotating mechanism, 31 motor, 32 first rotating shaft, 33 first gear, 34 second rotating shaft, 35 second gear, 4 fixed frame, 5 moving mechanism, 51 rotating handle, 52 threaded rod, 53 threaded sleeve, 54 fixed plate, 55 connecting rod, 56 movable block, 57 bracket, 6 clamping block, 7 guide block, 8 ejector pin, 9 support frame. DETAILED DESCRIPTION
[0021] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments.
[0022] Reference Figure 1 、 Figure 2 A fixing device for thimble processing includes a base 1, a fixing frame 2 is fixed on the top of the base 1, a fixing frame 4 is installed on the fixing frame 2 through a rotating mechanism 3, the rotating mechanism 3 is used to drive the fixing frame 4 to rotate, and two clamping blocks 6 are installed inside the fixed frame 4 through a moving mechanism 5, the moving mechanism 5 is used to drive the clamping block 6 to move, a guide groove is opened inside the fixed frame 4, a guide block 7 is fixed on the side of the clamping block 6, the guide block 7 is slidably installed in the guide groove, an thimble 8 is placed on the clamping block 6, and a support frame 9 is slidably installed on the top of the base 1.
[0023] Reference Figure 3 、 Figure 4 The moving mechanism 5 includes a handle 51, a threaded rod 52, a threaded sleeve 53, a fixed plate 54, a connecting rod 55, a movable block 56 and a bracket 57. The threaded rod 52 is rotatably installed inside the fixed frame 4. The threaded rod 52 rotates through the fixed frame 4 and is connected to the handle 51. The threaded sleeve 53 is connected to the threaded rod 52 through a threaded sleeve. The end of the threaded sleeve 53 is fixed to the fixed plate 54. The two sides of the fixed plate 54 are hinged with movable blocks 56 through connecting rods 55. The side of the movable block 56 is fixed with a bracket 57. The internal opening of the fixed frame 4 A sliding hole is provided, in which the bracket 57 is slidably installed. The bracket 57 is fixedly connected to the clamping block 6. By turning the handle 51, the threaded sleeve 53 drives the fixed plate 54 to move through the threaded transmission of the threaded rod 52 and the threaded sleeve 53, so that the fixed plate 54 drives the connecting rod 55 to be displaced. Through the cooperation of the connecting rod 55, the movable block 56 drives the bracket 57 to move, so that the bracket 57 drives the two clamping blocks 6 to move toward or away from each other, so that the clamping block 6 can clamp and fix the ejector pin 8 to prevent the ejector pin 8 from being displaced during processing.
[0024] Reference Figure 5The rotating mechanism 3 includes a motor 31, a first rotating shaft 32, a first gear 33, a second rotating shaft 34 and a second gear 35. The motor 31 is installed on the side of the fixed frame 2. The output shaft of the motor 31 rotates through the fixed frame 2 and is connected to the first rotating shaft 32. The first rotating shaft 32 is fixedly sleeved with the first gear 33. The second rotating shaft 34 is rotatably installed inside the fixed frame 2. The second rotating shaft 34 is fixed with the second gear 35. The first gear 33 and the second gear 35 are engaged for transmission. The second rotating shaft 34 is fixedly connected to the fixed frame 4. When the motor 31 is started, the first rotating shaft 32 drives the first gear 33 to rotate. Through the meshing transmission of the first gear 33 and the second gear 35, the second gear 35 drives the second rotating shaft 34 to rotate, so that the second rotating shaft 34 drives the fixed frame 4 to rotate, so that the thimble 8 can be driven to rotate through the fixed frame 4, which facilitates multi-directional processing of the thimble.
[0025] Working principle: Place the thimble 8 between the two clamping blocks 6, turn the handle 51, and through the threaded transmission of the threaded rod 52 and the threaded sleeve 53, the threaded sleeve 53 drives the fixed plate 54 to move, so that the fixed plate 54 drives the connecting rod 55 to be displaced. Through the cooperation of the connecting rod 55, the movable block 56 drives the bracket 57 to move, so that the bracket 57 drives the two clamping blocks 6 to move toward or away from each other, so that the clamping blocks 6 can clamp and fix the thimble 8 to prevent the thimble 8 from being displaced during processing. Start the motor 31, the first rotating shaft 32 drives the first gear 33 to rotate, and through the meshing transmission of the first gear 33 and the second gear 35, the second gear 35 drives the second rotating shaft 34 to rotate, so that the second rotating shaft 34 drives the fixed frame 4 to rotate, so that the thimble 8 can be driven to rotate through the fixed frame 4, which facilitates multi-directional processing of the thimble.
[0026] The above is only a preferred specific implementation method of the present invention, but the protection scope of the present invention is not limited to this. Any technician familiar with the technical field within the technical scope disclosed by the present invention can make equivalent replacements or changes based on the technical solution and utility model concept of the present invention, which should be covered by the protection scope of the present invention.
Claims
1. A fixing device for ejector pin processing, comprising a base (1), characterized in that: A fixing frame (2) is fixed on the top of the base (1), and a fixing frame (4) is installed on the fixing frame (2) through a rotating mechanism (3). The rotating mechanism (3) is used to drive the fixing frame (4) to rotate. The rotating mechanism (3) includes a motor (31), a first rotating shaft (32), a first gear (33), a second rotating shaft (34) and a second gear (35). The motor (31) is installed on the side of the fixing frame (2). The output shaft of the motor (31) rotates through the fixing frame (2) and is connected to the first rotating shaft (32). The first gear (33) is fixedly sleeved on the first rotating shaft (32). The second rotating shaft (34) is rotatably installed inside the fixing frame (2). The second rotating shaft (34) is fixed with a second gear (35). The first gear (33) and the second gear (35) are meshed and transmitted. The second rotating shaft (34) is fixedly connected to the fixing frame (4). The interior of the fixing frame (4) is moved by The mechanism (5) is provided with two clamping blocks (6). The moving mechanism (5) is used to drive the clamping block (6) to move. The moving mechanism (5) comprises a rotary handle (51), a threaded rod (52), a threaded sleeve (53), a fixed plate (54), a connecting rod (55), a movable block (56) and a bracket (57). The threaded rod (52) is rotatably installed inside the fixed frame (4). The threaded rod (52) rotates through the fixed frame (4) and is connected to the rotary handle (51). The threaded sleeve (53) is connected to the threaded rod (52) through a threaded sleeve. The end of the threaded sleeve (53) is fixed with a fixed plate (54). The two sides of the fixed plate (54) are hinged with movable blocks (56) through connecting rods (55). The side of the movable block (56) is fixed with a bracket (57). The bracket (57) is fixedly connected to the clamping block (6). A thimble (8) is placed on the clamping block (6). The top of the base (1) is slidably provided with a support frame (9).
2. A fixing device for ejector pin processing according to claim 1, characterized in that: A sliding hole is provided inside the fixing frame (4), and the bracket (57) is slidably mounted in the sliding hole.
3. A fixing device for ejector pin processing according to claim 1, characterized in that: A guide groove is provided inside the fixing frame (4), and a guide block (7) is fixed to the side of the clamping block (6), and the guide block (7) is slidably installed in the guide groove.
Citation Information
Patent Citations
Size adjustable thimble sleeve excircle fixing device for rough machining
CN208570486U