CN221231722U - Quick-change clamp for cycloidal gear hobbing - Google Patents
Quick-change clamp for cycloidal gear hobbing Download PDFInfo
- Publication number
- CN221231722U CN221231722U CN202322408560.8U CN202322408560U CN221231722U CN 221231722 U CN221231722 U CN 221231722U CN 202322408560 U CN202322408560 U CN 202322408560U CN 221231722 U CN221231722 U CN 221231722U
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- CN
- China
- Prior art keywords
- gear hobbing
- gland
- pull rod
- seat
- hole
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Links
- 210000004907 gland Anatomy 0.000 claims abstract description 39
- 238000005096 rolling process Methods 0.000 claims abstract description 10
- 239000011324 bead Substances 0.000 claims description 8
- 238000007789 sealing Methods 0.000 claims description 6
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 238000003754 machining Methods 0.000 description 8
- 238000000034 method Methods 0.000 description 3
- 238000001816 cooling Methods 0.000 description 2
- 239000010730 cutting oil Substances 0.000 description 2
- 239000003921 oil Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000010720 hydraulic oil Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000003801 milling Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
Abstract
The utility model provides a quick-change clamp for cycloidal gear hobbing, which comprises the following components: the rolling tooth seat and the pull rod mechanism can rotate and stretch; the gear hobbing seat is arranged on a gear hobbing machine table top, a positioning head is arranged on the gear hobbing seat, a part is sleeved on the positioning head, and a gland is arranged on the part; the pull rod mechanism is arranged on the power mechanism, sequentially penetrates through the tooth rolling seat, the positioning head and the gland from bottom to top, stretches out of the gland, and the stretching end is provided with an end fixing structure matched with the gland. The utility model can rapidly and accurately position, compress and rapidly loosen and dismantle the parts, can save manpower and time, improves the replacement efficiency of the parts, performs system planning on the tooth rolling seat, the positioning head, the support and the gland during design, ensures that the production of cycloidal gear parts of different types can be completed only by replacing corresponding parts, and ensures wider applicability of the device and reduced cost.
Description
Technical Field
The utility model relates to the technical field of cycloidal gear hobbing tools, in particular to a quick-change clamp for cycloidal gear hobbing.
Background
The gear hobbing of traditional cycloidal gear adopts a kind of mechanical fixture that relies on locating head, locating pin, gland and big nut to fix, adopts large-scale solid wrench to screw up and loosen by the workman, because mechanical fixture has that clamping force is difficult to control, the work piece is liable to be out of shape and skew scheduling problem, leads to the cycloidal gear precision of processing limited and unstable. Aiming at the processing of cycloidal gears of different models, workers need to replace the whole set of gear hobbing tools, and the efficiency is low.
CN201720244923.0 is a milling cycloidal gear clamp, and discloses a clamp for processing, comprising a clamp main body and a locating pin on the clamp main body, wherein the top of the clamp main body is horizontal, the locating pin is vertically arranged in the middle of the clamp main body, a fastening unit is detachably arranged on the locating pin, and a bearing hole in the middle of a cycloidal gear blank is sleeved outside the locating pin and is fixed above the clamp main body through the fastening unit; the clamp body is also provided with a limiting unit for limiting the cycloidal gear blank to rotate around the axis. However, after the processing is completed, the clamp still needs to be manually released and replaced, and the processing efficiency is low.
Disclosure of utility model
In view of the above-mentioned drawbacks and shortcomings, an object of the present utility model is to provide a quick-change fixture for cycloidal gear hobbing.
The technical scheme of the utility model is as follows:
A quick-change fixture for cycloidal gear hobbing comprises: the rolling tooth seat and the pull rod mechanism can rotate and stretch;
The gear hobbing seat is arranged on a gear hobbing machine table top, a positioning head is arranged on the gear hobbing seat, a part is sleeved on the positioning head, and a gland is arranged on the part; the pull rod mechanism is arranged on the power mechanism, sequentially penetrates through the tooth rolling seat, the positioning head and the gland from bottom to top, stretches out of the gland, and the stretching end is provided with an end fixing structure matched with the gland.
The pull rod mechanism includes: and the lower pull rod and the upper pull rod are fixedly connected.
The gear hobbing seat middle part is provided with first through-hole, set up in the positioning head with the second through-hole that first through-hole is linked together, the gland set up with the third through-hole that the second through-hole is linked together, the pull rod is located first through-hole down, go up pull rod pass third through-hole, second through-hole and pull rod fixed connection down.
The end fixing structure is a three-petal type pull rod end arranged at the end part of the pull rod mechanism, and the gland is provided with a penetrating groove and a fixing groove which are matched with the three-petal type pull rod end.
And a sealing bead sleeve is arranged between the positioning head and the part, and the positioning head is in interference fit with an inner hole of the part through the sealing bead sleeve.
The gear hobbing seat is provided with a plurality of groups of threaded holes suitable for positioning heads of different specifications, and the gear hobbing seat is connected with the positioning heads through the threaded holes.
And the positioning head is provided with a positioning pin hole of the part.
The power mechanism is a hydraulic cylinder.
The utility model has the beneficial effects that:
The utility model provides a quick-change fixture for machining cycloidal gear hobbing, which is matched with a hobbing seat, a positioning head, a gland and a rotatable telescopic pull rod mechanism, so that parts can be quickly and accurately positioned and compacted, then machined, quickly loosened and removed after machining is finished, labor and time can be saved, the replacement efficiency of the parts is improved, system planning is performed on the hobbing seat, the positioning head, the support and the gland during design, and the fact that only corresponding parts are required to be replaced during production replacement of cycloidal gear parts of different types is ensured, so that the applicability of the device is wider, and the cost is reduced.
Preferably, the utility model selects proper close bead sleeve to form small interference fit, which can ensure the repeated positioning precision of the tool to be within 0.005mm and the phase precision of the part to be within 0.03 mm. The convenience, the flexibility and the precision of parts of the operation are improved as a whole.
Drawings
FIG. 1 is a cross-sectional view of a quick change fixture for cycloidal gear hobbing according to the present utility model;
Fig. 2 is a top view of the quick change clamp gland for cycloidal gear hobbing according to the present utility model.
In the figure: 1. a tooth rolling seat; 2. a pull-down rod; 3. a pull rod; 4. a positioning head; 5. a part; 6. a gland; 7. positioning pin holes; 8. a dense bead sleeve; 9. an oil drain port; 11. a first through hole; 31. three-petal type pull rod ends; 41. a second through hole; 61. a third through hole; 62. a tri-lobal pass through the slot; 63. three-petal-shaped fixing grooves.
Detailed Description
The present utility model now will be described more fully hereinafter with reference to 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 fall within the scope of the utility model.
As shown in fig. 1, the present utility model provides a quick-change jig for machining cycloidal gear hobbing, comprising: the rolling tooth seat 1 and the pull rod mechanism which can rotate and stretch;
The gear hobbing machine comprises a gear hobbing seat 1, a positioning head 4, a part 5 and a gland 6, wherein the gear hobbing seat 1 is arranged on a gear hobbing machine table top, the positioning head 4 is arranged on the gear hobbing seat 1, the part 5 is sleeved with the positioning head 4, and the gland 6 is arranged on the part 5; the pull rod mechanism is arranged on the power mechanism, sequentially penetrates through the tooth rolling seat 1, the positioning head 4 and the gland 6 from bottom to top, stretches out of the gland 6, and is provided with an end fixing structure matched with the gland 6 at the stretching end.
Preferably, the pull rod mechanism includes: the lower pull rod 2 and the upper pull rod 3 are fixedly connected, and the lower pull rod 2 and the upper pull rod 3 are connected through threads. The middle part of the gear hobbing seat 1 is provided with a first through hole 11, a second through hole 41 communicated with the first through hole 11 is formed in the positioning head 4, a third through hole 61 communicated with the second through hole 41 is formed in the gland 6, the lower pull rod 2 is located in the first through hole 11, and the upper pull rod 3 penetrates through the third through hole 61 and the second through hole 41 and is fixedly connected with the lower pull rod 2.
As shown in fig. 2, the end fixing structure is a three-petal type pull rod end 31 disposed at the end of the pull rod mechanism, and the gland 6 is provided with a three-petal type through groove 62 and a three-petal type fixing groove 63 which are matched with the three-petal type pull rod end 31. The tri-petal-shaped pull rod end head 31 can be used for tensioning the corresponding tri-petal-shaped fixing groove 63 below through a hydraulic cylinder, so as to tension the gland 6, and when the gland 6 is tightly pressed, the part 5 is subjected to hobbing machining. When the machining is finished, the pull rod mechanism can move upwards, and after the pull rod mechanism rotates by an angle, the lower gland 6 and the machined part 5 are taken out through the groove 62 by the three-petal shape.
Further, a sealing bead sleeve 8 is arranged between the positioning head 4 and the part 5, and the positioning head 4 is in interference fit with an inner hole of the part 5 through the sealing bead sleeve 8.
The gear hobbing seat 1 is provided with a plurality of groups of threaded holes suitable for positioning heads with different specifications, and the gear hobbing seat 1 is connected with the positioning head 4 through the threaded holes.
In addition, the positioning head 4 is provided with a positioning pin hole 7 of the part 5. The power mechanism is a hydraulic cylinder.
In the traditional gear hobbing process, cooling cutting oil can enter the position of the cycloidal gear from the gland, attractive force is generated by the cooling cutting oil after machining, the cycloidal gear and the positioning head can be adhered together, and a worker is extremely difficult to take out parts. An oil drain 9 is therefore provided between the gland 6 and the part 5 as shown in figure 1 to address this problem.
The working process of the utility model is as follows:
According to the clamp structure, the gear hobbing seat 1 is fixedly arranged on the gear hobbing machine table board and penetrates through the lower pull rod 2; then, the positioning head 4 is arranged on the gear hobbing seat 1, then the part 5 and the gland 6 are arranged in sequence, and finally, the upper pull rod 3 passes through the gland 6 and the positioning head 4 and then is connected with the lower pull rod 2;
after the calibration and installation of the whole set of hydraulic hobbing tool are completed, the three-flap type pull rod end head 31 can be rotated to an angle shown in fig. 2, and then the two parts of pull rods are tensioned by the hydraulic oil cylinder, so that the gland 6 can be driven to compress and fix the part 5, and hobbing machining can be performed.
After the part is machined, the hydraulic cylinder is released, the angle of the three-petal type pull rod end head 31 is rotated to be consistent with the three-petal type through groove 62 of the gland 6, the gland 6 and the part 5 are sequentially taken out, and the machining process before the part replacement is repeated is completed.
According to the utility model, the gear hobbing seat 1 is directly arranged on the surface of the gear hobbing machine, the lower pull rod 2 is screwed into the hydraulic cylinder, and the two parts are not required to be replaced in the process of adjusting the whole set of gear hobbing tool aiming at cycloidal gear products with different types and specifications, so that the applicability of the device is wider, and the cost is reduced.
It will be apparent to those skilled in the art that the foregoing is merely illustrative of the preferred embodiments of this utility model, and that certain modifications and variations may be made in part of this utility model by those skilled in the art, all of which are shown and described with the understanding that they are considered to be within the scope of this utility model.
Claims (6)
1. A quick change anchor clamps for cycloidal gear hobbing, characterized by comprising: a tooth rolling seat (1) and a pull rod mechanism which can rotate and stretch;
the gear hobbing seat (1) is arranged on the surface of a gear hobbing machine, a positioning head (4) is arranged on the gear hobbing seat (1), a part (5) is sleeved on the positioning head (4), and a gland (6) is arranged on the part (5); the pull rod mechanism is arranged on the power mechanism, sequentially penetrates through the tooth rolling seat (1), the positioning head (4) and the gland (6) from bottom to top, stretches out of the gland (6), and the stretching end is provided with an end fixing structure matched with the gland (6); the pull rod mechanism includes: a lower pull rod (2) and an upper pull rod (3) which are fixedly connected; the gear hobbing seat (1) middle part is provided with first through-hole (11), set up in location head (4) with second through-hole (41) that first through-hole (11) are linked together, gland (6) set up with third through-hole (61) that second through-hole (41) are linked together, pull down pole (2) are located first through-hole (11), go up pull rod (3) and pass third through-hole (61), second through-hole (41) and pull down pole (2) fixed connection.
2. The quick-change clamp for cycloidal gear hobbing according to claim 1, characterized in that the end fixing structure is a three-lobe type pull rod end (31) arranged at the end part of the pull rod mechanism, and the gland (6) is provided with a through groove (62) and a fixing groove (63) which are matched with the three-lobe type pull rod end (31).
3. The quick-change clamp for cycloidal gear hobbing according to claim 1, wherein a sealing bead sleeve (8) is installed between the positioning head (4) and the part (5), and the positioning head (4) is in interference fit with an inner hole of the part (5) through the sealing bead sleeve (8).
4. The quick-change clamp for cycloidal gear hobbing according to claim 1, characterized in that a plurality of groups of threaded holes suitable for positioning heads of different specifications are formed in the hobbing seat (1), and the hobbing seat (1) is connected with the positioning head (4) through the threaded holes.
5. The quick change fixture for cycloidal gear hobbing according to claim 1 or 4, characterized in that the positioning head (4) is provided with a positioning pin hole (7) of the part (5).
6. The quick change jig for cycloidal gear hobbing according to claim 1 or 4, characterized in that the power mechanism is a hydraulic cylinder.
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221231722U true CN221231722U (en) | 2024-06-28 |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant |