CN221454558U - Eccentric type edge grinding clamping mechanism - Google Patents
Eccentric type edge grinding clamping mechanism Download PDFInfo
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- CN221454558U CN221454558U CN202323075816.4U CN202323075816U CN221454558U CN 221454558 U CN221454558 U CN 221454558U CN 202323075816 U CN202323075816 U CN 202323075816U CN 221454558 U CN221454558 U CN 221454558U
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- rotating block
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- mandrel
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- 230000007246 mechanism Effects 0.000 title claims abstract description 21
- 210000004907 gland Anatomy 0.000 claims description 16
- 238000003754 machining Methods 0.000 abstract description 4
- 230000009471 action Effects 0.000 abstract description 2
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000003825 pressing Methods 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model provides an eccentric type chamfering clamping mechanism, which belongs to the technical field of gear machining and comprises a mandrel, an eccentric wheel shaft, a rotating block and a rotating handle, wherein the mandrel is arranged on the eccentric wheel shaft; the first end of the mandrel is used for being connected with a machine tool, the second end of the mandrel is provided with an eccentric wheel mounting groove, and a rotating block mounting groove is arranged between the first end and the second end; the eccentric wheel mounting groove and the rotating block mounting groove are arranged in parallel and are arc-shaped open grooves, and the openings are positioned on the side wall of the mandrel; the eccentric wheel is arranged in the eccentric wheel mounting groove; the rotating block is arranged in the rotating block mounting groove; the eccentric wheel shaft is parallel to the spindle, rotates through the spindle part between the eccentric wheel mounting groove and the rotating block mounting groove, and is fixedly connected with the eccentric wheel at the first end and the rotating block at the second end; the rotating handle is perpendicular to the eccentric wheel shaft and is fixedly connected with the rotating block. The eccentric edge grinding clamping mechanism is rapid in clamping action, high in working efficiency and convenient to operate.
Description
Technical Field
The utility model belongs to the technical field of gear machining, and particularly discloses an eccentric chamfering clamping mechanism.
Background
The gear chamfering machine is an automatic mechanical device for deburring gears, adopts pneumatic or electric high-speed rotation to drive a grinding wheel to carry out grinding work, provides convenient and reliable equipment for industries such as automobiles, motorcycles, agricultural vehicles, engineering machinery, decelerating machinery, machine manufacturing and the like, can greatly improve the meshing precision of transmission workpieces, and effectively reduces transmission noise.
CN205271044U discloses a gear processing chamfering device, wherein the clamping device comprises a positioning mandrel, the lower end of the positioning mandrel is connected with a main shaft of a stepping motor, the lower part of the positioning mandrel is welded with a lower supporting plate, the upper end of the positioning mandrel is sleeved with an upper pressing plate, and the upper end of the positioning mandrel is connected with a nut. The clamping device has the following technical problems to be improved:
1. The clamping device adopts manual clamping of the workpiece, the nut is required to be loosened manually before each workpiece is polished, the processed workpiece and the upper pressing plate are taken down, the workpiece which is not polished is assembled, the upper pressing plate is assembled, the nut is screwed down, the whole process is time-consuming and labor-consuming, the workpiece clamping time is long, the polishing machine is in waiting for materials for a long time, the equipment utilization rate is low, and the processing efficiency is low;
2. The positioning mandrel has fixed positioning size, high requirement on the consistency of a positioning center hole of a workpiece to be processed and poor compatibility.
Disclosure of utility model
The utility model provides an eccentric edge grinding clamping mechanism to solve the problems in the background art.
The eccentric edge grinding clamping mechanism comprises a mandrel, an eccentric wheel shaft, a rotating block and a rotating handle; the first end of the mandrel is used for being connected with a machine tool, the second end of the mandrel is provided with an eccentric wheel mounting groove, and a rotating block mounting groove is arranged between the first end and the second end; the eccentric wheel mounting groove and the rotating block mounting groove are arranged in parallel and are arc-shaped open grooves, and the openings are positioned on the side wall of the mandrel; the eccentric wheel is arranged in the eccentric wheel mounting groove; the rotating block is arranged in the rotating block mounting groove; the eccentric wheel shaft is parallel to the spindle, rotates through the spindle part between the eccentric wheel mounting groove and the rotating block mounting groove, and is fixedly connected with the eccentric wheel at the first end and the rotating block at the second end; the rotating handle is perpendicular to the eccentric wheel shaft and is fixedly connected with the rotating block.
The eccentric edge grinding clamping mechanism also comprises a key, a gland and a screw; key grooves are formed in the eccentric wheel and the eccentric wheel shaft along the axial direction, and keys are inserted into the key grooves to fix the circumferential position of the eccentric wheel; the gland is positioned outside the eccentric wheel, the eccentric wheel shaft and the key; the screw is driven into the first end of the eccentric shaft through the gland to compress the key.
The mandrel comprises a mandrel I and a mandrel II, wherein the mandrel I is connected with the machine tool, and the mandrel II is connected with the workpiece; the eccentric wheel, the eccentric wheel shaft, the key, the gland, the screw, the rotating block and the rotating handle are all arranged on the mandrel II.
The rotary handle adopts a bolt which is in threaded connection with the rotary block.
The utility model has the following beneficial effects:
1. When the eccentric chamfering clamping mechanism is used, a workpiece is sleeved on the mandrel, the workpiece is contacted with the opening of the eccentric wheel mounting groove by forward rotation to generate clamping force, the workpiece is directly clamped for processing, the workpiece can be loosened by reverse rotation to enable the low point of the eccentric wheel to be rotated to the opening of the eccentric wheel mounting groove, the clamping action is rapid, the working efficiency is high, the operation is convenient, the clamping process is time-saving and labor-saving, the waiting time of the chamfering machine is shortened, and the equipment utilization rate and the processing efficiency are improved;
2. The eccentric chamfering clamping mechanism breaks through the traditional design and manufacture, the same eccentric chamfering clamping mechanism can be used for different workpiece inner hole size deviations within the range of 1 cm according to local conditions, the compatibility is good, the manufacturing tooling cost is greatly saved, and the eccentric wheel clamping mode can be used for other processing procedures with the size tolerance requirement of more than 0.1 mm, so that the popularization is extremely high.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are needed in the description of the embodiments or the prior art will be briefly described, and it is obvious that the drawings in the description below are some embodiments of the present utility model, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of the operation of an eccentric burr clamping mechanism;
fig. 2 is a top view of an eccentric burr clamping mechanism.
In the figure: 1-a mandrel I; 2-mandrel II; 3-eccentric wheel; 4-eccentric wheel shafts; 5-screws; 6-capping; 7-bond; 8-rotating the block; 9-rotating the handle; 100-workpiece.
Detailed Description
The following description of the embodiments of the present utility model will be made apparent and fully in view of the accompanying drawings, in which some, but not all embodiments of the utility model are shown. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
The embodiment provides an eccentric chamfering clamping mechanism which comprises a mandrel, an eccentric wheel 3, an eccentric wheel shaft 4, a screw 5, a gland 6, a key 7, a rotating block 8 and a rotating handle 9.
The first end of the mandrel is used for being connected with a machine tool, the second end of the mandrel is provided with an eccentric wheel mounting groove, and a rotating block mounting groove is arranged between the first end and the second end; the eccentric wheel mounting groove and the rotating block mounting groove are arranged in parallel and are arc-shaped open grooves, and the openings are all positioned on the side wall of the mandrel.
The eccentric 3 is installed in the eccentric installation groove, and when rotating, the radius is gradually changed, the positive direction is rotated, the radius is increased, the workpiece 100 is clamped, and conversely, the workpiece 100 is unclamped.
The rotating block 8 is mounted in the rotating block mounting groove.
The eccentric wheel shaft 4 is parallel to the mandrel, rotates to pass through the mandrel part between the eccentric wheel mounting groove and the rotating block mounting groove, the first end is fixedly connected with the eccentric wheel 3, the second end is fixedly connected with the rotating block 8, the bridge tie function is achieved, and the rotating block 8 drives the eccentric wheel 3 to rotate finally.
The rotating handle 9 is perpendicular to the eccentric wheel shaft 4 and is fixedly connected with the rotating block 8. In the embodiment, the rotary handle 9 adopts bolts, so that the standard part is omitted from processing, and the operation is convenient.
The eccentric wheel 3 is connected with the eccentric wheel shaft 4 through a screw 5, a gland 6 and a key 7, a key groove is arranged on the eccentric wheel 3 and the eccentric wheel shaft 4 along the axial direction, and the key 7 is inserted into the key groove to fix the circumferential position of the eccentric wheel 3 so that the eccentric wheel can only rotate along with the eccentric wheel shaft 4; the gland 6 is positioned outside the eccentric wheel 3, the eccentric wheel shaft 4 and the key 7; a screw 5 is driven through the gland 6 into the first end of the eccentric shaft 4, securing the gland 6 and causing it to compress against the key 7.
The spindle comprises a spindle I1 and a spindle II 2, the spindle I1 is connected with the machine tool, and the spindle II 2 is connected with the workpiece 100; the eccentric wheel 3, the eccentric wheel shaft 4, the key 7, the gland 6, the screw 5, the rotating block 8 and the rotating handle 9 are all arranged on the mandrel II 2.
When the eccentric wheel is used, the mandrel I1 is connected with a machine tool, the workpiece 100 is arranged on the mandrel II 2, the rotating handle 9 is rotated, and the eccentric wheel shaft 4, the screw 5, the gland 6, the key 7 and the rotating block 8 interact with each other to enable the eccentric wheel 3 to be turned to a high point and contact with the workpiece 100, so that the workpiece 100 is locked, and the workpiece can be machined. The rotating handle 9 is rotated, and the eccentric wheel 3 is enabled to be out of the low point through interaction of the eccentric wheel shaft 4, the screw 5, the gland 6, the key 7 and the rotating block 8, so that the clamping mechanism is in a loosening state, and the machined workpiece 100 is easily taken out.
After the eccentric type chamfering clamping mechanism is adopted, the working efficiency is improved to 180 from 120 pieces, the processing efficiency is improved by 50%, the tool compatibility is high, and the chamfering efficiency of the workpiece is greatly improved.
The eccentric chamfering clamping mechanism is simple in structure, good in machining manufacturability, stable in reliability, capable of reducing machining cost of a workpiece while guaranteeing quality, and good in economic benefit.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present utility model, and not for limiting the same; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the utility model.
Claims (4)
1. An eccentric edge grinding clamping mechanism is characterized by comprising a mandrel, an eccentric wheel shaft, a rotating block and a rotating handle;
the first end of the mandrel is used for being connected with a machine tool, the second end of the mandrel is provided with an eccentric wheel mounting groove, and a rotating block mounting groove is formed between the first end and the second end;
The eccentric wheel mounting groove and the rotating block mounting groove are arranged in parallel and are arc-shaped open grooves, and the openings are positioned on the side wall of the mandrel;
the eccentric wheel is arranged in the eccentric wheel mounting groove;
The rotating block is arranged in the rotating block mounting groove;
The eccentric wheel shaft is parallel to the spindle, rotates through the spindle part between the eccentric wheel mounting groove and the rotating block mounting groove, and is fixedly connected with the eccentric wheel at the first end and the rotating block at the second end;
the rotating handle is perpendicular to the eccentric wheel shaft and fixedly connected with the rotating block.
2. The eccentric burr clamping mechanism of claim 1, further comprising a key, a gland, and a screw;
Key grooves are formed in the eccentric wheel and the eccentric wheel shaft along the axial direction, and keys are inserted into the key grooves to fix the circumferential positions of the eccentric wheel;
The gland is positioned outside the eccentric wheel, the eccentric wheel shaft and the key;
The screw is driven into the first end of the eccentric shaft through the gland to compress the key.
3. The eccentric chamfer clamping mechanism according to claim 2, wherein the spindle comprises a spindle i and a spindle ii, the spindle i being coupled to the machine tool and the spindle ii being coupled to the workpiece;
the eccentric wheel, the eccentric wheel shaft, the key, the gland, the screw, the rotating block and the rotating handle are all arranged on the mandrel II.
4. The eccentric chamfering clamping mechanism according to claim 3, wherein the rotating handle is screw-coupled with the rotating block by a bolt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323075816.4U CN221454558U (en) | 2023-11-15 | 2023-11-15 | Eccentric type edge grinding clamping mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323075816.4U CN221454558U (en) | 2023-11-15 | 2023-11-15 | Eccentric type edge grinding clamping mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221454558U true CN221454558U (en) | 2024-08-02 |
Family
ID=92345537
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202323075816.4U Active CN221454558U (en) | 2023-11-15 | 2023-11-15 | Eccentric type edge grinding clamping mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221454558U (en) |
-
2023
- 2023-11-15 CN CN202323075816.4U patent/CN221454558U/en active Active
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