High-precision mandrel conical surface grinding machine clamp
By using structures such as threaded rods and dual-axis motors in the mandrel conical grinder clamp, the problem of insufficient positioning accuracy and clamping stability in the prior art is solved, and high precision and stable clamping of the mandrel is achieved. Flexible processing.
Patent Information
- Application Number
- CN202323436323.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2023-12-15
- Publication Date
- 2025-01-07
- Estimated Expiration
- 2033-12-15
AI Technical Summary
The existing mandrel conical grinders have problems with poor positioning accuracy and insufficient clamping stability and flexibility.
A high-precision mandrel conical grinder clamp is designed, which adopts structures including bottom plate, support frame, bearing, threaded rod, adjustment plate, dual-axis motor, etc. The coordination of threaded rod and dual-axis motor can achieve stability of the mandrel Clamping and precise positioning, initial clamping and fixing using limiting springs and chute structures.
It realizes stable clamping and precise positioning of mandrels of different lengths, ensures stability and accuracy during processing, and improves the flexibility of the fixture.
Smart Images

Figure CN222308477U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of grinder fixtures, and more specifically, to a high-precision spindle cone surface grinder fixture. Background Art
[0002] A tapered mandrel is a type of mandrel, generally used in tapered surface matching. It can well ensure the coaxiality relationship between the connections. It usually needs to be corrected to the required tapered angle by a grinder before it can be used. In order to ensure the stability of the tapered mandrel during processing, a corresponding fixture is required.
[0003] However, most existing clamps have problems such as poor positioning accuracy and poor subsequent clamping stability and flexibility. Utility Model Content
[0004] 1. Technical issues to be resolved
[0005] In view of the deficiencies in the prior art, the purpose of the utility model is to provide a high-precision spindle cone grinder fixture, which has the characteristics of more accurate positioning, more stable clamping and higher flexibility.
[0006] (II) Technical solution
[0007] To achieve the above-mentioned purpose, the utility model provides a high-precision spindle cone grinder fixture, including a base plate, a support frame is arranged on the top of the base plate, a first rotating shaft is sleeved on the inner side of the base plate through a bearing A, a first threaded rod is fixedly connected to one end of the first rotating shaft, a first threaded sleeve is threadedly connected to the surface of the first threaded rod, an adjustment plate is arranged on the surface of the first threaded sleeve, a support leg is fixedly connected to the top of the adjustment plate, an adjustment frame is fixedly connected to the top of the support leg, a support slide groove is provided inside the support frame and the adjustment frame, a support slider is slidably connected in the support slide groove, a driving device is arranged inside the support frame, the driving device is arranged on one side of the support slider, a mounting frame is fixedly connected to one side of the support slider, a limit spring is arranged on the inner side of the mounting frame, a dual-axis motor is arranged on the inner side of the mounting frame, a second threaded rod is arranged on one end of the second threaded rod, a second rotating shaft is sleeved on the inner side of the mounting frame through a bearing B, a second threaded sleeve is threadedly connected to the surface of the second threaded rod, and a limit block is arranged on one side of the second threaded sleeve and one end of the limit spring.
[0008] When using a high-precision spindle cone grinder fixture of the present technical solution, by rotating the first threaded rod, the first threaded sleeve, adjustment plate, support leg, adjustment frame and mounting frame can be driven to move, so as to facilitate the stable clamping of spindles of different lengths and ensure the stability of subsequent processing of the spindles. By setting a limit spring, the spindle can be initially clamped and restricted, and at the same time, the spindle can be conveniently provided with stable clamping work in the future, ensuring the stability and positioning accuracy of the spindle during processing. By working through the dual-axis motor, the second threaded rod can be driven to rotate, thereby driving the second threaded sleeve and the limit block to move, so as to stably clamp and fix the spindle.
[0009] Furthermore, one end of the first threaded rod is fixedly connected to a connecting rod, one end of the connecting rod is fixedly connected to a rotating wheel, a handle is fixedly connected to the surface of the rotating wheel, a connecting sleeve is provided on the inner side of the bottom plate, and the connecting rod is sleeved inside the connecting sleeve.
[0010] Furthermore, a fixing rod is arranged on the inner side of the mounting frame, a fixing sleeve is sleeved on the surface of the fixing rod, and the fixing sleeve is fixedly connected to the inner side of the limiting block.
[0011] Furthermore, a first sliding groove is provided inside the bottom plate, a first sliding block is slidably connected in the first sliding groove, and the first sliding block is fixedly connected to one side of the adjustment plate.
[0012] Furthermore, a second sliding groove is provided on the inner side of the mounting frame, a second sliding block is slidably connected in the second sliding groove, and the second sliding block is fixedly connected to one side of the second threaded sleeve.
[0013] Furthermore, the thread directions of the two second threaded rods are opposite, and the centers of the two mounting frames are on the same straight line.
[0014] (III) Beneficial effects
[0015] In summary, the utility model has the following beneficial effects:
[0016] 1. By rotating the first threaded rod, the first threaded sleeve, the adjustment plate, the support leg, the adjustment frame and the mounting frame can be driven to move, so as to stably clamp the mandrels of different lengths and ensure the stability of subsequent processing of the mandrels;
[0017] 2. By setting a limit spring, the mandrel can be initially clamped and restricted, and the mandrel can be easily and stably clamped in the future to ensure the stability and positioning accuracy of the mandrel during processing. The dual-axis motor can drive the second threaded rod to rotate, thereby driving the second threaded sleeve and the limit block to move, so as to stably clamp and fix the mandrel. BRIEF DESCRIPTION OF THE DRAWINGS
[0018] In order to more clearly illustrate the specific implementation of the utility model or the technical solution in the prior art, the drawings required for describing the specific implementation or the prior art will be briefly introduced below. Obviously, the drawings described below are only one implementation of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.
[0019] Figure 1 This is a front view structural schematic diagram of the utility model;
[0020] Figure 2 It is a side cross-sectional structural schematic diagram of the utility model;
[0021] Figure 3 It is a schematic diagram of the top cross-sectional structure of the utility model.
[0022] The symbols in the accompanying drawings are:
[0023] 1. Base plate; 2. Support leg; 3. Adjustment frame; 4. Adjustment plate; 5. Support frame; 6. Mounting frame; 7. Limit block; 8. First slider; 9. First slide groove; 10. Handle; 11. Rotating wheel; 12. Connecting rod; 13. Connecting sleeve; 14. Driving device; 15. Support slide groove; 16. Support slider; 17. Limit spring; 18. Fixed sleeve; 19. Fixed rod; 20. First threaded rod; 21. First threaded sleeve; 22. First rotating shaft; 23. Dual-axis motor; 24. Second slide groove; 25. Second slider; 26. Second threaded rod; 27. Second rotating shaft; 28. Second threaded sleeve. DETAILED DESCRIPTION
[0024] In order to make the technical means, creative features, objectives and effects achieved by the utility model easy to understand, the technical scheme in the specific implementation mode of the utility model is clearly and completely described below to further illustrate the utility model. Obviously, the specific implementation mode described is only a part of the implementation mode of the utility model, rather than all styles.
[0025] Example:
[0026] The following is combined with Figure 1-3 The utility model is described in further detail.
[0027] See also Figure 1-3The utility model provides a technical solution: a high-precision spindle cone grinding machine fixture, including a base plate 1, a support frame 5 is arranged on the top of the base plate 1, a first rotating shaft 22 is sleeved on the inner side of the base plate 1 through a bearing A, and a first threaded rod 20 is fixedly connected to one end of the first rotating shaft 22. By rotating the first threaded rod 20, the first threaded sleeve 21, the adjustment plate 4, the support leg 2, the adjustment frame 3 and the mounting frame 6 can be driven to move, so as to facilitate the stable clamping of spindles of different lengths and ensure the stability of subsequent processing of the spindle. The surface of the first threaded rod 20 is threadedly connected with the first threaded sleeve 21, and the surface of the first threaded sleeve 21 is arranged with an adjustment plate 4, the top of the adjustment plate 4 is fixedly connected with the support leg 2, and the top of the support leg 2 is fixedly connected with the adjustment frame 3, and a support slide groove 15 is provided inside the support frame 5 and the adjustment frame 3, and a support slider 16 is slidably connected in the support slide groove 15. A driving device 14 is arranged inside the support frame 5, and the driving device 14 is arranged on one side of the supporting slide block 16, and a mounting frame 6 is fixedly connected to one side of the supporting slide block 16. A limiting spring 17 is arranged on the inner side of the mounting frame 6. By setting the limiting spring 17, the core shaft can be initially clamped and limited, and at the same time, it can be convenient to provide stable clamping work for the core shaft later, so as to ensure the stability and positioning accuracy of the core shaft during processing. A dual-axis motor 23 is arranged on the inner side of the mounting frame 6. Through the operation of the dual-axis motor 23, the second threaded rod 26 can be driven to rotate, thereby driving the second threaded sleeve 28 and the limiting block 7 to move, so as to stably clamp and fix the core shaft. The two output shafts of the dual-axis motor 23 are provided with a second threaded rod 26, and one end of the second threaded rod 26 is fixedly connected to the second rotating shaft 27. The second rotating shaft 27 is sleeved on the inner side of the mounting frame 6 through a bearing B. The surface of the second threaded rod 26 is threadedly connected to the second threaded sleeve 28, and a limiting block 7 is arranged on one side of the second threaded sleeve 28 and one end of the limiting spring 17.
[0028] Specifically, one end of the first threaded rod 20 is fixedly connected to the connecting rod 12, one end of the connecting rod 12 is fixedly connected to the rotating wheel 11, the surface of the rotating wheel 11 is fixedly connected to the handle 10, a connecting sleeve 13 is provided on the inner side of the base plate 1, the connecting rod 12 is sleeved inside the connecting sleeve 13, a fixing rod 19 is provided on the inner side of the mounting frame 6, a fixing sleeve 18 is sleeved on the surface of the fixing rod 19, and the fixing sleeve 18 is fixedly connected to the inner side of the limit block 7.
[0029] By adopting the above technical solution, by setting the connecting rod 12 and the connecting sleeve 13, the first threaded rod 20 can be limited and supported to ensure the stability of the first threaded rod 20 during operation. By rotating the handle 10, the rotating wheel 11 and the connecting rod 12 can be driven to control the connecting rod 12, which is convenient for controlling the connecting rod 12. By setting the fixing sleeve 18 and the fixing rod 19, the limit block 7 can be limited and supported.
[0030] Specifically, a first slide groove 9 is opened inside the base plate 1, and a first slider 8 is slidably connected in the first slide groove 9, and the first slider 8 is fixedly connected to one side of the adjustment plate 4. A second slide groove 24 is opened on the inner side of the mounting frame 6, and a second slider 25 is slidably connected in the second slide groove 24, and the second slider 25 is fixedly connected to one side of the second threaded sleeve 28.
[0031] By adopting the above technical solution, by providing the first sliding groove 9 and the first sliding block 8, the adjustment plate 4 can be supported in a limited position, and by providing the second sliding groove 24 and the second sliding block 25, the second threaded sleeve 28 can be supported in a limited position.
[0032] Specifically, the thread directions of the two second threaded rods 26 are opposite, and the centers of the two mounting brackets 6 are on the same straight line.
[0033] By adopting the above technical solution and setting the thread directions of the two second threaded rods 26 to be opposite, it is possible to simultaneously control the two corresponding second threaded sleeves 28 to move in opposite directions and at the same speed.
[0034] The working principle of the utility model is:
[0035] When the core shaft needs to be processed, with the help of the limit spring 17, one end of the core shaft can be first clamped in the limit block 7 on one side of the support frame 5, and then the dual-axis motor 23 is controlled by the controller to work, driving the second threaded rod 26 to rotate, thereby driving the second threaded sleeve 28 and the limit block 7 to move, and further clamping and fixing the core shaft surface. After fixing one end of the core shaft, the handle 10 can be rotated to drive the rotating wheel 11, the connecting rod 12 and the first threaded rod 20 to rotate, driving the first threaded sleeve 21, the adjustment plate 4, the support leg 2 and the adjustment frame 3 to move, and driving the other mounting frame 6 to overlap the other end of the core shaft, and with the help of the dual-axis motor 23, drive the corresponding limit block 7 to clamp and fix the other axis of the core shaft, thereby achieving clamping of both ends of the core shaft.
[0036] This specific embodiment is merely an explanation of the present invention and is not a limitation of the present invention. After reading this specification, those skilled in the art may make non-creative modifications to the present embodiment as needed, but such modifications are protected by patent law as long as they are within the scope of the claims of the present invention.
Claims
1. A high-precision spindle conical surface grinding machine fixture, comprising a base plate (1), characterized in that: A support frame (5) is arranged on the top of the base plate (1), a first rotating shaft (22) is sleeved on the inner side of the base plate (1) through a bearing A, one end of the first rotating shaft (22) is fixedly connected to a first threaded rod (20), a first threaded sleeve (21) is threadedly connected to the surface of the first threaded rod (20), an adjustment plate (4) is arranged on the surface of the first threaded sleeve (21), a support leg (2) is fixedly connected to the top of the adjustment plate (4), an adjustment frame (3) is fixedly connected to the top of the support leg (2), a support slide groove (15) is provided inside the support frame (5) and the adjustment frame (3), a support slider (16) is slidably connected inside the support slide groove (15), and a driving device (14) is arranged inside the support frame (5); The driving device (14) is arranged on one side of the supporting slider (16); one side of the supporting slider (16) is fixedly connected to a mounting frame (6); a limit spring (17) is arranged on the inner side of the mounting frame (6); a double-axis motor (23) is arranged on the inner side of the mounting frame (6); two output shafts of the double-axis motor (23) are provided with a second threaded rod (26); one end of the second threaded rod (26) is fixedly connected to a second rotating shaft (27); the second rotating shaft (27) is sleeved on the inner side of the mounting frame (6) through a bearing B; a second threaded sleeve (28) is threadedly connected to the surface of the second threaded rod (26); and a limit block (7) is arranged on one side of the second threaded sleeve (28) and one end of the limit spring (17).
2. The high-precision spindle conical surface grinding machine fixture according to claim 1, characterized in that: One end of the first threaded rod (20) is fixedly connected to a connecting rod (12), one end of the connecting rod (12) is fixedly connected to a rotating wheel (11), a handle (10) is fixedly connected to the surface of the rotating wheel (11), a connecting sleeve (13) is provided on the inner side of the bottom plate (1), and the connecting rod (12) is sleeved inside the connecting sleeve (13).
3. The high-precision spindle cone grinder fixture according to claim 1, characterized in that: A fixing rod (19) is arranged on the inner side of the mounting frame (6), a fixing sleeve (18) is sleeved on the surface of the fixing rod (19), and the fixing sleeve (18) is fixedly connected to the inner side of the limiting block (7).
4. The high-precision spindle conical surface grinding machine fixture according to claim 1, characterized in that: A first sliding groove (9) is provided inside the bottom plate (1), a first sliding block (8) is slidably connected inside the first sliding groove (9), and the first sliding block (8) is fixedly connected to one side of the adjustment plate (4).
5. The high-precision spindle conical surface grinding machine fixture according to claim 1, characterized in that: A second sliding groove (24) is provided inside the mounting frame (6), a second sliding block (25) is slidably connected inside the second sliding groove (24), and the second sliding block (25) is fixedly connected to one side of the second threaded sleeve (28).
6. The high-precision spindle conical surface grinding machine fixture according to claim 1, characterized in that: The thread directions of the two second threaded rods (26) are opposite, and the centers of the two mounting frames (6) are on the same straight line.