Positioning and fixing tool for harmonic reducer machining

By designing a positioning fixing tool with internal and external clamping mechanisms, the problem of insufficient positioning fixing in a single direction by the existing positioning fixing tool is solved, and the multi-directional stable fixing of harmonic reducer materials is achieved, and the processing effect is improved.

CN222920377UActive Publication Date: 2025-05-30TIANJIN RIJIN ELECTROMECHANICAL TECH CO LTD
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Patent Information

Application Number
CN202421772160.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-07-25
Publication Date
2025-05-30
Estimated Expiration
2034-07-25

AI Technical Summary

Technical Problem

The existing positioning and fixing tooling can only be positioned and fixed in a single direction, resulting in loosening during the processing of the harmonic reducer, affecting the processing effect.

Method used

A positioning fixing tool including a base, a support column, an internal clamping mechanism and an external clamping mechanism are designed. The internal clamping mechanism clamps the inside of the material through a bidirectional threaded rod and a movable thread sleeve, and the external clamping mechanism clamps the outer wall of the material through gears and racks.

Benefits of technology

Through the synergistic action of the internal and external clamping mechanisms, the tooling can stabilize the fixing materials in multiple directions, avoid loosening, and improve the accuracy and effect of the harmonic reducer processing.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of positioning and fixing, and discloses a positioning and fixing tool for machining a harmonic reducer. The supporting column is arranged at the top of the base; the internal clamping mechanism is arranged at the top of the supporting column; the placing plate is arranged at the top of the supporting column, and a sliding groove is formed in the top of the placing plate; the external clamping mechanism is arranged at the top of the four placing plates; the external clamping mechanism comprises a driving part, a rotating block is rotated, the rotating block rotates to drive a threaded push rod to rotate, the threaded push rod rotates to drive a first clamping plate to move forwards, the first clamping plate moves forwards to drive a first rack to move forwards, and the first rack moves forwards to drive a gear to rotate; the gear rotates to drive a second rack to move forwards, the second rack moves forwards to drive a second clamping plate to move forwards, the second clamping plate and the first clamping plate move oppositely, and therefore the effect of clamping the outer wall of the material is achieved.
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Description

Technical Field

[0001] The utility model relates to the technical field of positioning and fixing, in particular to a positioning and fixing tooling for the processing of harmonic reducers. Background Technique

[0002] A harmonic reducer is a reducer component based on the principle of harmonic drive, mainly composed of three components: a flexible gear, a rigid gear, and a wave generator. Different from the general gear drive method and principle, the harmonic reducer relies on the elastic deformation of the flexible gear forced by the wave generator during rotation to mesh with the rigid gear ring to transmit motion.

[0003] However, the current positioning and fixing tooling on the market still has deficiencies. For example, the current positioning and fixing tooling on the market only performs positioning and fixing in a single direction, which may cause loosening during the processing of harmonic reducers and affect the processing effect. Content of the Utility Model

[0004] The purpose of the utility model is to provide a positioning and fixing tooling for the processing of harmonic reducers to solve the problems raised in the above background technique.

[0005] To achieve the above purpose, the utility model provides the following technical solution: A positioning and fixing tooling for the processing of harmonic reducers, comprising: a base; a support column arranged on the top of the base; an internal clamping mechanism arranged on the top of the support column; a placement plate arranged on the top of the support column, a chute is opened on the top of the placement plate; an external clamping mechanism arranged on the top of the 4 placement plate; wherein, the external clamping mechanism includes: a driving part arranged on the top of the placement plate; an external clamping part arranged on one side of the driving part.

[0006] Preferably, the bottom of the support column is fixedly connected to the base, and the top of the support column is fixedly connected to the placement plate.

[0007] Preferably, the internal clamping mechanism includes: a support plate arranged on the top of the base; a rotating handle arranged on one side of the support plate; a bidirectional threaded rod arranged on one side of the support plate; a movable plate sleeved on the outer wall of the bidirectional threaded rod; a movable thread sleeve sleeved on the outer wall of the bidirectional threaded rod; a pressing block arranged on one side of the movable thread sleeve.

[0008] Preferably, the bottom of the support plate is fixedly connected to the top of the base. One end of the bidirectional threaded rod is rotatably connected to one side of another support plate, and the other end of the bidirectional threaded rod penetrates through one side of the support plate and extends to the other side of the support plate and is fixedly connected to one end of the rotating handle. The bottom of the movable plate is fixedly connected to the top of the base. One end of the movable thread sleeve is fixedly connected to the pressing block. The movable thread sleeve is threadedly connected to the bidirectional threaded rod. Through this internal clamping mechanism, the effect of internally clamping the material can be achieved well.

[0009] Preferably, the driving part includes: a fixed thread sleeve provided on the top of the placement plate, and a threaded hole is opened on one side of the fixed thread sleeve; a threaded push rod provided on one side of the fixed thread sleeve; a rotating block provided at one end of the threaded push rod; a first clamping plate provided on the top of the placement plate, and a first movable groove is opened on one side of the first clamping plate; a slider provided at the bottom of the first clamping plate.

[0010] Preferably, the bottom of the fixed thread sleeve is fixedly connected to the top of the placement plate. The threaded hole opened on one side of the fixed thread sleeve is threadedly connected to the threaded push rod. One end of the threaded push rod is fixedly connected to one side of the rotating block, and the other end of the threaded push rod is fixedly connected to one side of the first clamping plate. The bottom of the first clamping plate is fixedly connected to the top of the slider. The slider is slidably connected to the sliding groove opened on the top of the placement plate. Through this driving part, the effect of driving the external clamping part can be achieved well.

[0011] Preferably, the external clamping part includes: a first rack provided on one side of the first clamping plate; a fixed column provided on the top of the placement plate; a second clamping plate provided on the top of the placement plate, and a second movable groove is opened on one side of the second clamping plate; a second rack provided on one side of the second clamping plate; a gear sleeved on the outer wall of the fixed column.

[0012] Preferably, one end of the first rack is fixedly connected to one side of the first clamping plate, and the other end of the first rack is adapted to the second movable groove opened on one side of the second clamping plate. One end of the second rack is fixedly connected to one side of the second clamping plate, and the other end of the second rack is adapted to the first movable groove opened on one side of the first clamping plate. The first rack is meshed with the gear, the second rack is meshed with the gear, the gear is movably sleeved on the outer wall of the fixed column, and the bottom of the fixed column is fixedly connected to the top of the placement plate. Through this external clamping part, the effect of externally clamping the material can be achieved well.

[0013] The utility model provides a positioning and fixing tooling for the processing of harmonic reducers. It has the following beneficial effects:

[0014] (1) By rotating the rotating handle of the present utility model, the rotation of the rotating handle drives the rotation of the bidirectional threaded rod. The rotation of the bidirectional threaded rod drives the two movable threaded sleeves to move towards each other. The movement of the two movable threaded sleeves 315 drives the movement of the pressing block. The movement of the pressing block squeezes the inside of the material, thereby achieving the effect of clamping the inside of the material.

[0015] (2) By rotating the rotating block of the present utility model, the rotation of the rotating block drives the rotation of the threaded push rod. The rotation of the threaded push rod drives the first clamping plate to move forward. The forward movement of the first clamping plate drives the first rack to move forward. The forward movement of the first rack drives the gear to rotate. The rotation of the gear drives the second rack to move forward. The forward movement of the second rack drives the second clamping plate to move forward. The second clamping plate and the first clamping plate move towards each other, thereby achieving the effect of clamping the outer wall of the material. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 is a perspective view of the present utility model;

[0017] Figure 2 is the present utility model Figure 1 an enlarged view of A in;

[0018] Figure 3 is a side view of the present utility model;

[0019] Figure 4 is the present utility model Figure 3 an enlarged view of B in.

[0020] In the figure: 1 base, 2 support column, 3 internal clamping mechanism, 311 support plate, 312 rotating handle, 313 bidirectional threaded rod, 314 movable plate, 315 movable threaded sleeve, 316 pressing block, 4 placement plate, 5 external clamping mechanism, 51 driving part, 511 fixed threaded sleeve, 512 threaded push rod, 513 rotating block, 514 first clamping plate, 515 slider, 52 external clamping part, 521 first rack, 522 fixed column, 523 second rack, 524 gear, 525 second clamping plate. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0021] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.

[0022] Examples of the embodiments are shown in the accompanying drawings, where the same or similar reference numerals throughout denote the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are intended to explain the present invention, but should not be construed as limiting the present invention. Embodiment

[0023] A preferred embodiment of a positioning and fixing tooling for the processing of a harmonic reducer provided by the present invention is as Figures 1-4 shown: A positioning and fixing tooling for the processing of a harmonic reducer includes: a base 1; a support column 2 disposed on the top of the base 1; an internal clamping mechanism 3 disposed on the top of the support column 2; a placement plate 4 disposed on the top of the support column 2, and a chute is provided on the top of the placement plate 4; an external clamping mechanism 5 disposed on the top of the 4 placement plate 4; wherein, the external clamping mechanism 5 includes: a driving part 51 disposed on the top of the placement plate 4; an external clamping part 52 disposed on one side of the driving part 51. The bottom of the support column 2 is fixedly connected to the base 1, and the top of the support column 2 is fixedly connected to the placement plate 4. The internal clamping mechanism 3 includes: a support plate 311 disposed on the top of the base 1; a rotating handle 312 disposed on one side of the support plate 311; a bidirectional threaded rod 313 disposed on one side of the support plate 311; a movable plate 314 sleeved on the outer wall of the bidirectional threaded rod 313; a movable thread sleeve 315 sleeved on the outer wall of the bidirectional threaded rod 313; and a pressing block 316 disposed on one side of the movable thread sleeve 315. The bottom of the support plate 311 is fixedly connected to the top of the base 1, one end of the bidirectional threaded rod 313 is rotatably connected to one side of another support plate 311, and the other end of the bidirectional threaded rod 313 penetrates through one side of the support plate 311 and extends to the other side of the support plate 311 and is fixedly connected to one end of the rotating handle 312. The bottom of the movable plate 314 is fixedly connected to the top of the base 1, one end of the movable thread sleeve 315 is fixedly connected to the pressing block 316, the movable thread sleeve 315 is threadedly connected to the bidirectional threaded rod 313. By rotating the rotating handle 312, the rotation of the rotating handle 312 drives the rotation of the bidirectional threaded rod 313. The rotation of the bidirectional threaded rod 313 drives the two movable thread sleeves 315 to move towards each other. The movement of the two movable thread sleeves 315 drives the movement of the pressing block 316, and the movement of the pressing block 316, thereby achieving the effect of internally clamping the material. Embodiment

[0024] On the basis of Embodiment 1, a preferred embodiment of a positioning and fixing tooling for the processing of a harmonic reducer provided by the present invention is as Figures 1-4As shown: The driving part 51 includes: a fixed threaded sleeve 511, arranged on the top of the placement plate 4, with a threaded hole opened on one side of the fixed threaded sleeve 511; a threaded push rod 512, arranged on one side of the fixed threaded sleeve 511; a rotating block 513, arranged at one end of the threaded push rod 512; a first clamping plate 514, arranged on the top of the placement plate 4, with a first movable groove opened on one side of the first clamping plate 514; a slider 515, arranged at the bottom of the first clamping plate 514. The bottom of the fixed threaded sleeve 511 is fixedly connected to the top of the placement plate 4, the threaded hole opened on one side of the fixed threaded sleeve 511 is threadedly connected to the threaded push rod 512, one end of the threaded push rod 512 is fixedly connected to one side of the rotating block 513, and the other end of the threaded push rod 512 is fixedly connected to one side of the first clamping plate 514. The bottom of the first clamping plate 514 is fixedly connected to the top of the slider 515, and the slider 515 is slidably connected to the chute opened on the top of the placement plate 4. The external clamping part 52 includes: a first rack 521, arranged on one side of the first clamping plate 514; a fixed column 522, arranged on the top of the placement plate 4; a second clamping plate 525, arranged on the top of the placement plate 4, with a second movable groove opened on one side of the second clamping plate 525; a second rack 523, arranged on one side of the second clamping plate 525; a gear 524, sleeved on the outer wall of the fixed column 522. One end of the first rack 521 is fixedly connected to one side of the first clamping plate 514, and the other end of the first rack 521 is adapted to the second movable groove opened on one side of the second clamping plate 525. One end of the second rack 523 is fixedly connected to one side of the second clamping plate 525, and the other end of the second rack 523 is adapted to the first movable groove opened on one side of the first clamping plate 514. The first rack 521 is meshed with the gear 524, the second rack 523 is meshed with the gear 524, the gear 524 is movably sleeved on the outer wall of the fixed column 522, and the bottom of the fixed column 522 is fixedly connected to the top of the placement plate 4. By rotating the rotating block 513, the rotation of the rotating block 513 drives the rotation of the threaded push rod 512. The rotation of the threaded push rod 512 drives the first clamping plate 514 to move forward. The forward movement of the first clamping plate 514 drives the first rack 521 to move forward. The forward movement of the first rack 521 drives the gear 524 to rotate. The rotation of the gear 524 drives the second rack 523 to move forward. The forward movement of the second rack 523 drives the second clamping plate 525 to move forward. The forward movement of the second clamping plate 525 thus achieves the effect of clamping the outer wall of the material.

[0025] In use, by rotating the rotating handle 312, the rotation of the rotating handle 312 drives the rotation of the bidirectional threaded rod 313. The rotation of the bidirectional threaded rod 313 drives the two movable threaded sleeves 315 to move towards each other. The movement of the two movable threaded sleeves 315 towards each other drives the movement of the pressing block 316. The movement of the pressing block 316 squeezes the inside of the material. By rotating the rotating block 513, the rotation of the rotating block 513 drives the rotation of the threaded push rod 512. The rotation of the threaded push rod 512 drives the first clamping plate 514 to move forward. The forward movement of the first clamping plate 514 drives the first rack 521 to move forward. The forward movement of the first rack 521 drives the gear 524 to rotate. The rotation of the gear 524 drives the second rack 523 to move forward. The forward movement of the second rack 523 drives the second clamping plate 525 to move forward. The second clamping plate 525 and the first clamping plate 514 move towards each other, thereby achieving the extrusion of the outer wall of the material.

[0026] Finally, it should be noted that the above are only the preferred embodiments of the present invention and are not used to limit the present invention. Although the present invention has been described in detail with reference to the foregoing embodiments, for those skilled in the art, they can still modify the technical solutions recorded in the foregoing embodiments, or perform equivalent replacements for some of the technical features. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention shall be included within the protection scope of the present invention.

Claims

1. A positioning and fixing tool for harmonic reducer processing, characterized in that: include: Base (1); A support column (2) is arranged on the top of the base (1); An internal clamping mechanism (3) is arranged on the top of the support column (2); A placement plate (4) is arranged on the top of the support column (2), and a slide groove is provided on the top of the placement plate (4); An external clamping mechanism (5) is arranged on the top of the placement plate (4); Wherein, the external clamping mechanism (5) comprises: A driving portion (51), wherein the driving portion (51) is arranged on the top of the placement plate (4); An external clamping portion (52) is arranged on one side of the driving portion (51).

2. The positioning and fixing tool for harmonic reducer processing according to claim 1 is characterized in that: The bottom of the support column (2) is fixedly connected to the base (1), and the top of the support column (2) is fixedly connected to the placement plate (4).

3. The positioning and fixing tool for harmonic reducer processing according to claim 1 is characterized in that: The internal clamping mechanism (3) comprises: A support plate (311) is arranged on the top of the base (1); A rotating handle (312) is arranged on one side of the support plate (311); A bidirectional threaded rod (313) is arranged on one side of the support plate (311); A movable plate (314) is sleeved on the outer wall of the bidirectional threaded rod (313); A movable threaded sleeve (315) is sleeved on the outer wall of the bidirectional threaded rod (313); The pressing block (316) is arranged on one side of the movable threaded sleeve (315).

4. The positioning and fixing tool for harmonic reducer processing according to claim 3 is characterized in that: The bottom of the support plate (311) is fixedly connected to the top of the base (1); one end of the bidirectional threaded rod (313) is rotatably connected to one side of another support plate (311); the other end of the bidirectional threaded rod (313) passes through one side of the support plate (311) and extends to the other side of the support plate (311) to be fixedly connected to one end of a rotating handle (312); the bottom of the movable plate (314) is fixedly connected to the top of the base (1); one end of the movable threaded sleeve (315) is fixedly connected to the pressing block (316); and the movable threaded sleeve (315) is threadedly connected to the bidirectional threaded rod (313).

5. The positioning and fixing tool for harmonic reducer processing according to claim 1 is characterized in that: The driving part (51) comprises: A fixed threaded sleeve (511) is arranged on the top of the placement plate (4), and a threaded hole is formed on one side of the fixed threaded sleeve (511); A threaded push rod (512) is arranged on one side of the fixed threaded sleeve (511); A rotating block (513) is arranged at one end of the threaded push rod (512); A number one clamping plate (514) is arranged on the top of the placement plate (4), and a movable groove (1) is formed on one side of the number one clamping plate (514); The slider (515) is arranged at the bottom of the first clamping plate (514).

6. The positioning and fixing tool for harmonic reducer processing according to claim 5, characterized in that: The bottom of the fixed threaded sleeve (511) is fixedly connected to the top of the placement plate (4); a threaded hole formed on one side of the fixed threaded sleeve (511) is threadedly connected to a threaded push rod (512); one end of the threaded push rod (512) is fixedly connected to one side of a rotating block (513); and the other end of the threaded push rod (512) is fixedly connected to one side of a first clamping plate (514); the bottom of the first clamping plate (514) is fixedly connected to the top of a sliding block (515); and the sliding block (515) is slidably connected to a sliding groove formed on the top of the placement plate (4).

7. The positioning and fixing tool for harmonic reducer processing according to claim 1 is characterized in that: The external clamping portion (52) comprises: A first rack (521), arranged on one side of the first clamping plate (514); A fixed column (522) is arranged on the top of the placement plate (4); A second clamping plate (525) is arranged on the top of the placement plate (4), and a second movable groove is formed on one side of the second clamping plate (525); A second rack (523) is arranged on one side of the second clamping plate (525); The gear (524) is sleeved on the outer wall of the fixing column (522).

8. The positioning and fixing tool for harmonic reducer processing according to claim 7, characterized in that: One end of the No. 1 rack (521) is fixedly connected to one side of the No. 1 clamping plate (514), and the other end of the No. 1 rack (521) is matched with the movable groove 2 opened on one side of the No. 2 clamping plate (525); one end of the No. 2 rack (523) is fixedly connected to one side of the No. 2 clamping plate (525), and the other end of the No. 2 rack (523) is matched with the movable groove 1 opened on one side of the No. 1 clamping plate (514); the No. 1 rack (521) is meshingly connected with the gear (524); the No. 2 rack (523) is meshingly connected with the gear (524); the gear (524) is movably sleeved on the outer wall of the fixed column (522); the bottom of the fixed column (522) is fixedly connected to the top of the placement plate (4).