Gear shaft milling fixing device
Through the placement blocks and fixing components on the workbench, combined with the outer rod, inner rod and motor-driven polishing block, the problem of unsolid fixation of the gear shaft is solved, and the machining accuracy and efficiency are improved.
Patent Information
- Application Number
- CN202421999510.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-08-19
- Publication Date
- 2025-08-19
- Estimated Expiration
- 2034-08-19
AI Technical Summary
The existing gear shaft fixing device is not firmly fixed during milling, resulting in reduced machining accuracy and efficiency.
The placement blocks and fixing components on the workbench are adopted, through the combined design of the outer and inner rods, the screw assembly and the clamping of multiple fixed petals are used to achieve a firm fixation of the gear shaft, and the precise processing is carried out through the motor-driven grinding block.
The gear shaft is firmly fixed, the machining accuracy and efficiency are improved, and the machining quality is ensured.
Smart Images

Figure CN223235129U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of gear shaft milling and fixing, in particular to a gear shaft milling and fixing device. Background Art
[0002] Gear shaft milling fixtures are primarily used to securely hold the workpiece during the milling process, ensuring precision and efficiency. These fixtures typically include a base, support structure, positioning device, and clamping mechanism. The design and combination of these components effectively secure the gear shaft, minimizing movement and deformation during machining, thereby improving machining quality and production efficiency.
[0003] According to the disclosure (announcement) number: CN214869148U, the disclosure (announcement) date: 2021-11-26, a boring and milling processing device for mechanical manufacturing is disclosed, which belongs to the field of mechanical manufacturing technology. A boring and milling processing device for mechanical manufacturing, comprising a vertical bed, the upper surface of the left side of the vertical bed is fixedly connected to a support structure, the top of the support rod inside the support structure is fixedly connected to a rectangular connecting rod, the right end of the rectangular connecting rod is fixedly connected to a square frame, a motor is fixedly installed on the top of the square frame, the output end of the motor is fixedly connected to a transmission rod, the outer surface of the transmission rod is provided with a second slide groove, the lower surface of the square frame is fixedly connected to a connecting cylinder, the other end of the connecting cylinder is fixedly connected to a rectangular frame, the left end of the rectangular frame is rotatably connected to the second gear shaft, and the right end of the rectangular frame is rotatably connected to the third gear shaft.
[0004] It is known from the above patents and prior art that when fixing a gear shaft, the gear shaft needs to be fixed and then milled. If the gear shaft is not fixed firmly enough, the milled gear will be unusable, causing great losses. Utility Model Content
[0005] The utility model aims to provide a gear shaft milling and fixing device, which can firmly fix the gear shaft.
[0006] In order to achieve the above-mentioned purpose, the utility model provides the following technical solutions: a gear shaft milling processing and fixing device, comprising a workbench, on which placement blocks are symmetrically arranged, a fixing component is slidingly arranged inside the placement block, the fixing component comprises an outer rod, an inner rod is slidingly arranged inside the outer rod, a connecting block is rotatably arranged on the inner rod, a plurality of fixing petals arranged in a circular array are provided on the connecting block, the plurality of fixing petals form a truncated cone shape, and the outer rod is threadedly arranged on the placement block.
[0007] Preferably, the inner rod and the outer rod are both provided with a plurality of second slots arranged in a circular array.
[0008] Preferably, a fixing ring is provided at the connection between the inner rod and the outer rod, and the fixing ring is provided with a plurality of first clamping blocks corresponding to the second clamping grooves.
[0009] Preferably, a first motor is provided on the workbench, a second motor is movably provided on the output end of the first motor, and the second motor is slidably provided on the workbench.
[0010] Preferably, a driving rod is provided on the output end of the second motor, a grinding block is provided on the driving rod, vertical poles are symmetrically provided on the workbench, and side frames are provided on the vertical poles.
[0011] Preferably, a second sliding groove is provided in the side frame, a slider is slidably provided in the second sliding groove, and the driving rod is rotatably provided in the slider.
[0012] Preferably, an anti-sliding block is provided on the fixed petal.
[0013] Preferably, the anti-sliding block is a rubber block.
[0014] In the above technical scheme, the utility model provides a gear shaft milling and fixing device, which has the following beneficial effects: the outer rod is fixed by a placement block on the workbench, so that the outer rod slides on the workbench, the shaft in the gear shaft is fixed by a fixing component in the placement block, the gear shaft is fixed by multiple fixing petals on the inner rod, the gear shaft is fixed and clamped by the threaded assembly of the outer rod, and the fixing of multiple fixing petals is achieved without affecting the rotation of the outer rod through the connecting block. BRIEF DESCRIPTION OF THE DRAWINGS
[0015] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments. Obviously, the drawings described below are only some embodiments recorded in the present invention. For ordinary technicians in this field, other drawings can also be obtained based on these drawings.
[0016] Figure 1 A schematic diagram of the overall structure provided for an embodiment of the present utility model;
[0017] Figure 2 A schematic structural diagram of an inner rod provided in an embodiment of the present utility model;
[0018] Figure 3 This is a schematic cross-sectional structure diagram of the outer rod and inner rod provided in an embodiment of the present utility model.
[0019] Description of reference numerals:
[0020] 1. Workbench; 11. First slide; 12. Placement block; 13. Fixing assembly; 130. Outer rod; 131. Connecting block; 132. Fixing flap; 133. Anti-sliding block; 15. Fixing ring; 151. First clamping block; 16. Inner rod; 17. Second clamping slot; 18. First motor; 20. Second motor; 22. Sliding block; 23. Side frame; 24. Second slide; 25. Drive rod; 26. Grinding block; 27. Vertical pole. DETAILED DESCRIPTION
[0021] In order to enable those skilled in the art to better understand the technical solution of the present invention, the present invention will be further described in detail below with reference to the accompanying drawings.
[0022] like Figure 1-3 As shown, a gear shaft milling processing fixing device includes a workbench 1, on which a placement block 12 is symmetrically arranged, a fixing component 13 is slidably arranged inside the placement block 12, the fixing component 13 includes an outer rod 130, an inner rod 16 is slidably arranged inside the outer rod 130, a connecting block 131 is rotatably arranged on the inner rod 16, and a plurality of fixing petals 132 arranged in a circular array are provided on the connecting block 131, and the plurality of fixing petals 132 form a frustum shape, and the outer rod 130 is threadedly arranged on the placement block 12.
[0023] Specifically, when in use, first rotate the outer rod 130 in the opposite direction to move the outer rod 130 outward in the placement block 12, then place the two ends of the gear shaft between the multiple fixed petals 132 at both ends, and then rotate the outer rod 130 to rotate the outer rod 130 on the connecting block 131, and move inward in the placement block 12 at the same time. At the same time, the multiple fixed petals 132 are frustum-shaped, and the multiple fixed petals 132 clamp the gear shaft while moving. When milling the gear, rotating the inner rod 16 can drive the multiple fixed petals 132 to rotate.
[0024] In the above scheme, the outer rod 130 is fixed by the placement block 12 on the workbench 1, so that the outer rod 130 slides on the workbench 1, the shaft in the gear shaft is fixed by the fixing component 13 in the placement block 12, the gear shaft is fixed by the multiple fixing petals 132 on the inner rod 16, and the gear shaft is fixed and clamped by the threaded assembly of the outer rod 130. The connection block 131 is used to ensure that the fixation of the multiple fixing petals 132 will not be affected when the outer rod 130 rotates.
[0025] As an embodiment further provided by the present invention, according to Figure 1 and Figure 2 As shown, the inner rod 16 and the outer rod 130 are both provided with a plurality of second slots 17 arranged in a circumferential array.
[0026] Furthermore, a fixing ring 15 is provided at the connection between the inner rod 16 and the outer rod 130 . The fixing ring 15 is provided with a plurality of first clamping blocks 151 corresponding to the second clamping slots 17 .
[0027] Specifically, when the fixing ring 15 is sleeved, the first clamping block 151 is embedded in the second clamping groove 17 , and the inner rod 16 is fixed in the outer rod 130 to prevent the inner rod 16 from rotating in the outer rod 130 .
[0028] As an embodiment further provided by the present invention, according to Figure 1 and Figure 2 As shown, a first motor 18 is provided on the workbench 1 , a second motor 20 is movably provided on the output end of the first motor 18 , and the second motor 20 is slidably provided on the workbench 1 .
[0029] Furthermore, a driving rod 25 is provided on the output end of the second motor 20 , a grinding block 26 is provided on the driving rod 25 , vertical poles 27 are symmetrically provided on the workbench 1 , and a side frame 23 is provided on the vertical poles 27 .
[0030] Furthermore, a second sliding groove 24 is defined in the side frame 23 , a slider 22 is slidably disposed in the second sliding groove 24 , and a driving rod 25 is rotatably disposed in the slider 22 .
[0031] Specifically, when milling the gear shaft, start the first motor 18, drive the output end of the first motor 18 forward, and then push the second motor 20 to slide in the first slide groove 11 on the workbench 1. At the same time, the output end of the second motor 20 drives the slider 22 to slide in the second slide groove 24 opened on the side frame 23. At the same time, the output end of the second motor 20 will rotate in the slider 22 and drive the grinding block 26 to grind the gear shaft.
[0032] As an embodiment further provided by the present invention, according to Figure 2 As shown, an anti-sliding block 133 is provided on the fixing flap 132 .
[0033] Specifically, the anti-sliding block 133 contacts the gear shaft to prevent the gear shaft from rotating on the plurality of fixed petals 132 .
[0034] Working principle: When in use, first rotate the outer rod 130 in the opposite direction to move the outer rod 130 outward in the placement block 12, then place the two ends of the gear shaft between the multiple fixed petals 132 at both ends, and then rotate the outer rod 130 to make the outer rod 130 rotate on the connecting block 131 and move inward in the placement block 12. At the same time, the multiple fixed petals 132 are frustum-shaped, and the multiple fixed petals 132 clamp the gear shaft while moving. When milling the gear shaft, start the first motor 18 to drive the output end of the first motor 18 forward, and then push the second motor 20 to slide in the first slide groove 11 on the workbench 1. At the same time, the output end of the second motor 20 drives the slider 22 to slide in the second slide groove 24 opened on the side frame 23. At the same time, the output end of the second motor 20 will rotate in the slider 22 and drive the grinding block 26 to grind the gear shaft. After grinding a notch, rotating the inner rod 16 can drive the multiple fixed petals 132 to rotate and grind another notch.
[0035] The above description is merely illustrative of certain exemplary embodiments of the present invention. It goes without saying that those skilled in the art will be able to modify the described embodiments in various ways without departing from the spirit and scope of the present invention. Therefore, the above drawings and description are illustrative in nature and should not be construed as limiting the scope of protection of the claims of the present invention.
Claims
1. A gear shaft milling fixture, characterized in that: The invention comprises a workbench (1), wherein a placement block (12) is symmetrically arranged on the workbench (1), a fixing assembly (13) is slidably arranged inside the placement block (12), the fixing assembly (13) comprises an outer rod (130), an inner rod (16) is slidably arranged inside the outer rod (130), a connecting block (131) is rotatably arranged on the inner rod (16), a plurality of fixing petals (132) arranged in a circumferential array are arranged on the connecting block (131), and the plurality of fixing petals (132) form a truncated cone shape, and the outer rod (130) is threadedly arranged on the placement block (12).
2. A gear shaft milling and fixing device according to claim 1, characterized in that: The inner rod (16) and the outer rod (130) are both provided with a plurality of second slots (17) arranged in a circumferential array.
3. A gear shaft milling and fixing device according to claim 2, characterized in that: A fixing ring (15) is provided at the connection point between the inner rod (16) and the outer rod (130), and the fixing ring (15) is provided with a plurality of first clamping blocks (151) corresponding to the second clamping grooves (17).
4. The gear shaft milling and fixing device according to claim 1, characterized in that: A first motor (18) is provided on the workbench (1); a second motor (20) is movably provided on the output end of the first motor (18); and the second motor (20) is slidably provided on the workbench (1).
5. A gear shaft milling and fixing device according to claim 4, characterized in that: A driving rod (25) is provided on the output end of the second motor (20), a grinding block (26) is provided on the driving rod (25), vertical rods (27) are symmetrically provided on the workbench (1), and a side frame (23) is provided on the vertical rods (27).
6. The gear shaft milling and fixing device according to claim 5, characterized in that: A second sliding groove (24) is provided in the side frame (23), a slider (22) is slidably provided in the second sliding groove (24), and the driving rod (25) is rotatably provided in the slider (22).
7. The gear shaft milling and fixing device according to claim 1, characterized in that: An anti-sliding block (133) is provided on the fixed flap (132).
8. The gear shaft milling and fixing device according to claim 7, characterized in that: The anti-sliding block (133) is a rubber block.
Citation Information
Patent Citations
Boring and milling machining device for mechanical manufacturing
CN214869148U