Precision forging sliding meshing sleeve tooth type positioning clamp
By designing a fine-forged sliding meshing sleeve toothed positioning fixture including a clamping mechanism and a positioning mechanism, the problem of inability to effectively position the center of the meshing sleeve in the prior art is solved, stable clamping and precise positioning are achieved, and detection accuracy is improved.
Patent Information
- Application Number
- CN202421833693.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-31
- Publication Date
- 2025-05-13
- Estimated Expiration
- 2034-07-31
AI Technical Summary
The existing fixtures cannot effectively position the center of the tooth-type sliding engagement sleeve, resulting in low accuracy of the detection results.
A precisely forged sliding engagement sleeve toothed positioning fixture is designed, including a clamping mechanism and a positioning mechanism. The clamping mechanism achieves stable clamping through a threaded rod and a clamping plate. The positioning mechanism drives the positioning plate to move through a rotating rod, a winding roller and a wire rope, and combines a return spring and a scale bar to achieve accurate positioning of the center of the meshing sleeve.
The stable clamping and precise center positioning of the toothed meshing sleeve are achieved, and the accuracy and working efficiency of detection are improved.
Smart Images

Figure CN222857772U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of precision forging production of sliding meshing sleeves, in particular to a precision forged sliding meshing sleeve tooth type positioning fixture. Background Art
[0002] The automobile clutch, also commonly known as the sliding clutch or shift clutch, is a device in mechanical engineering that can move axially and form a rigid connection with adjacent parts. It is an important component of the transmission and is used to achieve switching between different gears.
[0003] Currently, precision forging is usually used to produce toothed sliding meshing sleeves. In order to reduce the output of low-quality products, precision forged meshing sleeves usually need to be tested. During the test, the meshing sleeve needs to be clamped and stabilized by a fixture to facilitate the test. However, the existing fixture can only stabilize the meshing sleeve and cannot locate the center of the toothed sliding meshing sleeve, which can easily cause the test to be offset, resulting in low accuracy of the test results.
[0004] Therefore, in view of the above problems, it is necessary for the applicant to design a precision forged sliding meshing sleeve tooth type positioning fixture to solve the problem. Summary of the invention
[0005] The utility model aims to provide a precision forged sliding meshing sleeve tooth type positioning fixture to solve the problems mentioned in the above background technology.
[0006] To achieve the above purpose, the utility model provides the following technical solutions: a precision forged sliding meshing sleeve tooth type positioning fixture, comprising a base,
[0007] It also includes: a clamping mechanism for firmly clamping the gear, and the clamping mechanism is fixedly arranged on the top surface of the base, the clamping mechanism includes a support member arranged on the top surface of the base, and a threaded sleeve is fixedly arranged on one side of the support member, the internal thread of the threaded sleeve is provided with a threaded rod, and a clamping plate is fixedly arranged at one end of the threaded rod;
[0008] A positioning mechanism for the center of the positioning gear, and the positioning mechanism is arranged below the clamping plate, the positioning mechanism includes a support plate, and the support plate is fixedly connected to the base, at least two positioning plates are slidably arranged on the top surface of the support plate, and a return spring is fixedly arranged on one side of the positioning plate, a fixing plate is fixedly arranged on the side of the return spring away from the positioning plate, and the fixing plate is fixedly connected to the base.
[0009] Furthermore, a connecting block is fixedly provided at one end of the threaded rod away from the clamping plate, and a rotating handle is provided on the outer side of the connecting block.
[0010] Through the above structural design, when in use, the rotating handle is rotated by external force, and the rotating handle will drive the connecting block to rotate. The rotation of the connecting block is convenient to drive the threaded rod to rotate. The rotation of the threaded rod will drive the clamping plate to descend, thereby clamping the toothed sliding engagement sleeve.
[0011] Furthermore, a slide groove is provided on the top surface of the support plate, a slider is provided on the bottom surface of the positioning plate, and the slider is matched with the slide groove, and a scale bar for measuring the inner diameter of the gear is provided inside the slide groove, and the scale bar is matched with the slider.
[0012] Through the above structural design, when in use, the slider is moved according to the inner diameter size of the engaging sleeve, and the slider will move directionally in the slide groove. When the scale bar shows that the size between the positioning plates is smaller than the inner diameter size of the engaging sleeve, the engaging sleeve is placed on the outside of the positioning plate, which is convenient to operate and has high work efficiency.
[0013] Furthermore, a control mechanism is threadedly arranged at the inner center of the slide groove, and the control mechanism includes a rotating rod, and a control handle is fixedly arranged at one end of the rotating rod away from the support plate.
[0014] With the above structural design, when in use, the rotation of the rotating rod can be conveniently controlled by controlling the handle.
[0015] Furthermore, a winding roller is sleeved on the outer side of the rotating rod, a steel wire rope is fixedly arranged on one side of the winding roller, and one end of the steel wire rope away from the winding roller movably passes through the fixing plate and is fixedly connected to the positioning plate.
[0016] Through the above structural design, when the rotating rod rotates, it will drive the winding roller to rotate, and the rotation of the winding roller will drive the wire rope to pull the positioning plate to move the same distance, which will facilitate the control of the distance between the positioning plates and the center position of the engaging sleeve, thereby improving the accuracy of detecting the engaging sleeve.
[0017] Furthermore, a reinforcement plate for improving the connection firmness between the support member and the base is fixedly provided on the top surface of the base, and the reinforcement plate is fixedly connected to the support member.
[0018] Through the above structural design, the connection firmness between the support member and the base can be improved by the reinforcement plate, so that the clamping mechanism can be used stably.
[0019] Compared with the prior art, the utility model has the following beneficial effects: the precision forged sliding meshing sleeve tooth type positioning fixture is convenient for locating the center of the tooth type meshing sleeve and for firmly clamping the tooth type meshing sleeve. The specific contents are as follows:
[0020] 1. A clamping mechanism is provided. When in use, after the toothed meshing sleeve is placed, the rotating handle is rotated by external force, the rotating handle will drive the connecting block to move, the movement of the connecting block will drive the threaded rod to rotate, the threaded rod rotates in the threaded sleeve to make the threaded rod drop, the threaded rod drops, and the clamping plate drops, thereby firmly clamping the toothed meshing sleeve. It is easy to use and has high work efficiency.
[0021] 2. A positioning mechanism and a control mechanism are provided. When in use, an external force is used to rotate the rotating rod. The rotation of the rotating rod will drive the winding roller to rotate. The rotation of the winding roller will drive the wire rope to pull the positioning plate to move the same distance. The movement of the positioning plate will drive the slider to move in the slide groove. When the scale bar shows that the size between the positioning plates is smaller than the inner diameter of the engaging sleeve, the engaging sleeve is placed on the outside of the positioning plate and the external force restriction is released. Under the action of the elastic force of the reset spring, the positioning plate will be pushed against the inner wall of the engaging sleeve. The engaging sleeve is concentric with the rotating rod, and the center position of the engaging sleeve can be located, which is convenient for improving the accuracy of detecting the engaging sleeve. BRIEF DESCRIPTION OF THE DRAWINGS
[0022] Figure 1 It is a schematic diagram of the overall three-dimensional structure of the utility model;
[0023] Figure 2 This is a schematic diagram of the three-dimensional structure of the clamping mechanism of the utility model;
[0024] Figure 3 This is a three-dimensional structural diagram of the positioning mechanism of the utility model;
[0025] Figure 4 For this utility model Figure 3 The enlarged structural diagram at A in the middle;
[0026] Figure 5 It is a three-dimensional structural diagram of the control mechanism of the utility model.
[0027] In the figure: 1. base; 2. clamping mechanism; 3. positioning mechanism; 4. control mechanism; 10. reinforcement plate; 20. support member; 21. threaded sleeve; 22. threaded rod; 23. clamping plate; 24. connecting block; 25. rotating handle; 30. support plate; 31. fixing plate; 32. return spring; 33. positioning plate; 34. slide groove; 35. slider; 36. scale bar; 40. rotating rod; 41. winding roller; 42. wire rope; 43. control handle. DETAILED DESCRIPTION
[0028] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0029] like Figure 1-Figure 5 As shown, a precision forged sliding meshing sleeve tooth positioning fixture of the utility model includes a base 1, and also includes a clamping mechanism 2 for firmly clamping the gear, and the clamping mechanism 2 is fixedly arranged on the top surface of the base 1, the clamping mechanism 2 includes a support member 20 arranged on the top surface of the base 1, and a threaded sleeve 21 is fixedly arranged on one side of the support member 20, and the internal thread of the threaded sleeve 21 is provided with a threaded rod 22, and a clamping plate 23 is fixedly arranged at one end of the threaded rod 22, a reinforcing plate 10 for improving the firmness of the connection between the support member 20 and the base 1 is fixedly arranged on the top surface of the base 1, and the reinforcing plate 10 is fixedly connected to the support member 20, a connecting block 24 is fixedly arranged on the end of the threaded rod 22 away from the clamping plate 23, and a rotating handle 25 is arranged on the outer side of the connecting block 24.
[0030] Through the above structural design, when in use, after the toothed meshing sleeve is placed, the rotating handle 25 is rotated by external force, the rotating handle 25 will drive the connecting block 24 to move, the movement of the connecting block 24 will drive the threaded rod 22 to rotate, the threaded rod 22 rotates in the threaded sleeve 21 to make the threaded rod 22 descend, and the descending of the threaded rod 22 will drive the clamping plate 23 to descend, thereby firmly clamping the toothed meshing sleeve, which is convenient to use and has high work efficiency.
[0031] A positioning mechanism 3 for positioning the center of the gear, and the positioning mechanism 3 is arranged below the clamping plate 23, the positioning mechanism 3 includes a support plate 30, and the support plate 30 is fixedly connected to the base 1, at least two positioning plates 33 are slidably arranged on the top surface of the support plate 30, and a return spring 32 is fixedly arranged on one side of the positioning plate 33, and a fixed plate 31 is fixedly arranged on the side of the return spring 32 away from the positioning plate 33, and the fixed plate 31 is fixedly connected to the base 1, a slide groove 34 is opened on the top surface of the support plate 30, and a slider 35 is arranged on the bottom surface of the positioning plate 33, and the slider 35 Matching with the slide groove 34, a scale bar 36 for measuring the inner diameter of the gear is arranged inside the slide groove 34, and the scale bar 36 is matched with the slider 35. A control mechanism 4 is threadedly arranged at the inner center of the slide groove 34, and the control mechanism 4 includes a rotating rod 40, and a control handle 43 is fixedly arranged at the end of the rotating rod 40 away from the support plate 30, a winding roller 41 is sleeved on the outer side of the rotating rod 40, a steel wire rope 42 is fixedly arranged on one side of the winding roller 41, and the end of the steel wire rope 42 away from the winding roller 41 movably passes through the fixed plate 31 and is fixedly connected to the positioning plate 33.
[0032] With the above structural design, when in use, the rotating rod 40 is rotated by external force, and the rotation of the rotating rod 40 will drive the winding roller 41 to rotate. The rotation of the winding roller 41 will drive the wire rope 42 to pull the positioning plate 33 to move the same distance. The movement of the positioning plate 33 will drive the slider 35 to move in the slide groove 34. When the scale bar 36 shows that the size between the positioning plates 33 is smaller than the inner diameter of the engaging sleeve, the engaging sleeve is placed on the outside of the positioning plate 33, and the external force restriction is released. Under the action of the elastic force of the reset spring 32, the positioning plate 33 will be pushed to contact the inner wall of the engaging sleeve. The engaging sleeve is concentric with the rotating rod 40, and the center position of the engaging sleeve can be located, which is convenient for improving the accuracy of detecting the engaging sleeve.
[0033] Working principle: When using the precision forged sliding meshing sleeve toothed positioning fixture, external force is used to rotate the rotating rod 40. The rotation of the rotating rod 40 will drive the winding roller 41 to rotate. The rotation of the winding roller 41 will drive the wire rope 42 to pull the positioning plate 33 to move the same distance. The movement of the positioning plate 33 will drive the slider 35 to move in the slide groove 34. When the scale bar 36 shows that the size between the positioning plates 33 is smaller than the inner diameter of the meshing sleeve, the meshing sleeve is placed on the outside of the positioning plate 33 and the external force restriction is released. Under the action of the elastic force of the reset spring 32, the positioning plate 33 will be pushed to contact the inner wall of the meshing sleeve. Then, external force is used to rotate the rotating handle 25. The rotating handle 25 will drive the connecting block 24 to move. The movement of the connecting block 24 will drive the threaded rod 22 to rotate. The threaded rod 22 rotates in the threaded sleeve 21, which will cause the threaded rod 22 to drop. The drop of the threaded rod 22 will drive the clamping plate 23 to drop, which will facilitate the positioning of the center of the toothed meshing sleeve and the firm clamping of the toothed meshing sleeve.
[0034] Based on the above ideal embodiments of the utility model, the relevant staff can make various changes and modifications without deviating from the technical concept of the utility model through the above description. The technical scope of the utility model is not limited to the content of the specification, and its technical scope must be determined according to the scope of the claims.
Claims
1. A precision forged sliding meshing sleeve tooth type positioning fixture, comprising a base (1), It is characterized in that Also includes: A clamping mechanism (2) for firmly clamping the gear, and the clamping mechanism (2) is fixedly arranged on the top surface of the base (1), the clamping mechanism (2) comprises a support member (20) arranged on the top surface of the base (1), and a threaded sleeve (21) is fixedly arranged on one side of the support member (20), a threaded rod (22) is arranged on the internal thread of the threaded sleeve (21), and a clamping plate (23) is fixedly arranged on one end of the threaded rod (22); A positioning mechanism (3) for positioning the center of the gear, wherein the positioning mechanism (3) is arranged below the clamping plate (23), wherein the positioning mechanism (3) comprises a support plate (30), wherein the support plate (30) is fixedly connected to the base (1), wherein at least two positioning plates (33) are slidably arranged on the top surface of the support plate (30), wherein a return spring (32) is fixedly arranged on one side of each positioning plate (33), wherein a fixed plate (31) is fixedly arranged on the side of the return spring (32) away from the positioning plate (33), and wherein the fixed plate (31) is fixedly connected to the base (1).
2. A precision forged sliding meshing sleeve tooth type positioning fixture according to claim 1, characterized in that: A connecting block (24) is fixedly provided at one end of the threaded rod (22) away from the clamping plate (23), and a rotating handle (25) is provided on the outer side of the connecting block (24).
3. A precision forged sliding meshing sleeve tooth type positioning fixture according to claim 1, characterized in that: The top surface of the support plate (30) is provided with a slide groove (34), the bottom surface of the positioning plate (33) is provided with a slider (35), and the slider (35) is matched with the slide groove (34), and a scale bar (36) for measuring the inner diameter of the gear is provided inside the slide groove (34), and the scale bar (36) is matched with the slider (35).
4. A precision forged sliding meshing sleeve tooth type positioning fixture according to claim 3, characterized in that: A control mechanism (4) is threadedly provided at the inner center of the slide groove (34), wherein the control mechanism (4) comprises a rotating rod (40), and a control handle (43) is fixedly provided at one end of the rotating rod (40) away from the support plate (30).
5. A precision forged sliding meshing sleeve tooth type positioning fixture according to claim 4, characterized in that: A winding roller (41) is sleeved on the outer side of the rotating rod (40), a steel wire rope (42) is fixedly arranged on one side of the winding roller (41), and one end of the steel wire rope (42) away from the winding roller (41) movably penetrates the fixing plate (31) and is fixedly connected to the positioning plate (33).
6. A precision forged sliding meshing sleeve tooth type positioning fixture according to claim 1, characterized in that: A reinforcing plate (10) for improving the connection firmness between the support member (20) and the base (1) is fixedly arranged on the top surface of the base (1), and the reinforcing plate (10) is fixedly connected to the support member (20).