CN210498641U - Gear tooth positioning tool - Google Patents
Gear tooth positioning tool Download PDFInfo
- Publication number
- CN210498641U CN210498641U CN201921374007.4U CN201921374007U CN210498641U CN 210498641 U CN210498641 U CN 210498641U CN 201921374007 U CN201921374007 U CN 201921374007U CN 210498641 U CN210498641 U CN 210498641U
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- China
- Prior art keywords
- rod
- driving cylinder
- bottom plate
- support
- gear tooth
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Abstract
The utility model discloses a gear tooth location frock, comprising a base plate, be provided with the locating piece on the bottom plate, the locating piece upper end is provided with the frock tooth's socket with the part meshing, the bottom plate is located locating piece one side and is provided with the driving cylinder, be provided with the support between driving cylinder and the locating piece, the articulated depression bar that has "Z" shape in support upper end, the depression bar includes the stock that touches mutually with the piston of actuating lever, is used for compressing tightly the quarter butt of part and the connecting rod of connecting stock, quarter butt, the connecting rod is articulated with the support, works as when driving cylinder jack-up stock, the quarter butt compresses tightly the part, works as when driving cylinder resets, the quarter butt lifts up under stock gravity, and its technical scheme main points are, in the course of working, flank of tooth and flank of tooth meshing prevent stress concentration, and the flank of tooth atress is even, is difficult for damaging in the.
Description
Technical Field
The utility model relates to a location frock technical field, more specifically say, it relates to a gear tooth location frock.
Background
During gear machining, a gear needs to be positioned, generally, the bottom and the side of the gear are clamped during tooth surface machining, but if the bottom surface or the side of the gear is needed, the tooth surface needs to be clamped downwards. During clamping, the tooth surface is firstly attached to the plane at the bottom of the clamp, and then the side surface of the gear is clamped through the clamping jaws.
When the clamping mode is used for processing structures such as a key groove on the side surface of a gear, the radial stress of the gear is large, the stress on one side of the tooth surface is easy to be overlarge, the tooth surface is damaged or even deformed, and the product quality is influenced.
SUMMERY OF THE UTILITY MODEL
Not enough to prior art exists, the utility model aims to provide a gear tooth location frock, in its course of working, the flank of tooth atress is comparatively even, and is not fragile.
In order to achieve the above purpose, the utility model provides a following technical scheme:
the utility model provides a gear tooth location frock, includes the bottom plate, its characterized in that: the tool comprises a base plate, and is characterized in that a positioning block is arranged on the base plate, a tool tooth socket meshed with a part is arranged at the upper end of the positioning block, a driving cylinder is arranged on one side of the base plate, a support is arranged between the driving cylinder and the positioning block, a Z-shaped pressing rod is hinged to the upper end of the support, the pressing rod comprises a long rod in contact with a piston of a driving rod, a short rod used for pressing the part, and a connecting rod connected with the long rod and the short rod, the connecting rod is hinged to the support, when the driving cylinder jacks up the long rod, the short rod presses the part, and when the driving cylinder resets, the short rod is lifted up under the gravity action.
Preferably, the support comprises a connecting sleeve in threaded connection with the bottom plate, a support rod in threaded connection with the connecting sleeve, and a support block which is positioned at the top and hinged to the connecting rod.
Preferably, the supporting rod is in threaded connection with a locking nut used for abutting against the connecting sleeve.
Preferably, the outer circumferential wall of the driving cylinder is in threaded connection with the bottom plate, and the outer circumferential wall of the driving cylinder is in threaded connection with a locking ring which is used for abutting against the bottom plate.
Preferably, the positioning block is detachably connected with the bottom plate through a bolt.
Preferably, the surface of the short rod, which is used for abutting against the part, is provided with an elastic cushion block.
Compared with the prior art, the utility model discloses following beneficial effect has:
1. during clamping, the tooth surface of a part is meshed with the tooth socket of the tool, so that the stress on the tooth surface is ensured to be uniform, then the long rod is pushed upwards through the driving cylinder, the connecting rod rotates by taking the support as a fulcrum, the short rod is tightly pressed on the lower surface of the gear, after the processing is finished, the driving cylinder resets, and the long rod drives the short rod to tilt and reset along with the long rod under the action of gravity; in the machining process, the tooth surface is meshed with the tooth surface, so that stress concentration is prevented, the tooth surface is uniformly stressed, and the tooth surface is not easy to damage in the machining process;
2. the positioning blocks are of detachable structures, different positioning blocks can be replaced to position gears of different specifications, the height of the support can be adjusted through threads, and the driving cylinder can also be adjusted in height to meet different processing requirements;
3. the short rod surface is provided with the elastic cushion block, can provide the buffering to prevent to damage the gear surface.
Drawings
Fig. 1 is a schematic structural diagram of the present embodiment.
In the figure: 1. a base plate; 2. positioning blocks; 21. tooling tooth grooves; 3. a drive cylinder; 31. a locking ring; 4. a long rod; 41. a short bar; 411. an elastic cushion block; 42. a connecting rod; 5. connecting sleeves; 51. a strut; 511. supporting a block; 512. locking the nut; 6. and (4) parts.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
A gear tooth positioning tool refers to fig. 1, and comprises a bottom plate 1, wherein a positioning block 2 is arranged on the bottom plate 1, a tool tooth groove 21 meshed with a part 6 is arranged at the upper end of the positioning block 2, a driving cylinder 3 is arranged on one side, located on the positioning block 2, of the bottom plate 1, and the driving cylinder 3 is an oil cylinder or an air cylinder; be provided with the support between actuating cylinder 3 and the locating piece 2, the support upper end articulates there is the depression bar of "Z" shape, and the depression bar includes the stock 4 that touches mutually with the piston of actuating lever, is used for compressing tightly the quarter butt 41 of part 6 and the connecting rod 42 of connecting stock 4, quarter butt 41, and connecting rod 42 is articulated with the support, and quarter butt 41 is used for being provided with elastic cushion 411 on the face that offsets with part 6, prevents to damage part 6.
When the driving cylinder 3 jacks up the long rod 4, the short rod 41 compresses the part 6, and when the driving cylinder 3 is reset, the short rod 41 is lifted up under the action of the gravity of the long rod 4. During clamping, the tooth surface of the part 6 is meshed with the tooth groove 21 of the tool, so that the tooth surface is uniformly stressed, the long rod 4 is upwards pushed through the driving cylinder 3, the connecting rod 42 rotates by taking the support as a fulcrum, the short rod 41 is tightly pressed on the lower surface of the gear, after the processing is completed, the driving cylinder 3 resets, and the long rod 4 is driven by gravity to drive the short rod 41 to tilt and reset along with the long rod.
The support comprises a connecting sleeve 5 in threaded connection with the bottom plate 1, a supporting rod 51 in threaded connection with the connecting sleeve 5 and a supporting block 511 positioned at the top and hinged with the connecting rod 42, the supporting rod 51 is in threaded connection with a locking nut 512 for tightly abutting against the connecting sleeve 5, the heights of the connecting sleeve 5 and the supporting rod 51 can be adjusted, and the connecting sleeve 5 and the supporting rod 51 can be fixed through the locking nut 512; the outer circumferential wall of the driving cylinder 3 is in threaded connection with the bottom plate 1, the outer circumferential wall of the driving cylinder 3 is in threaded connection with a locking ring 31 which is used for abutting against the bottom plate 1, and the height of the driving cylinder 3 can be adjusted and is fixed through the locking ring 31; the positioning block 2 and the bottom plate 1 are detachably connected through bolts, the positioning block 2 is of a detachable structure, different positioning blocks 2 can be replaced to position parts 6 of different specifications, and the heights of the support and the driving cylinder 3 can be adjusted so as to meet different processing requirements.
The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications without inventive contribution to the present embodiment as required after reading the present specification, but all of them are protected by patent law within the scope of the claims of the present invention.
Claims (6)
1. The utility model provides a gear tooth location frock, includes the bottom plate, its characterized in that: the tool comprises a base plate, and is characterized in that a positioning block is arranged on the base plate, a tool tooth socket meshed with a part is arranged at the upper end of the positioning block, a driving cylinder is arranged on one side of the base plate, a support is arranged between the driving cylinder and the positioning block, a Z-shaped pressing rod is hinged to the upper end of the support, the pressing rod comprises a long rod in contact with a piston of a driving rod, a short rod used for pressing the part, and a connecting rod connected with the long rod and the short rod, the connecting rod is hinged to the support, when the driving cylinder jacks up the long rod, the short rod presses the part, and when the driving cylinder resets, the short rod is lifted up under the gravity action.
2. The gear tooth positioning tool of claim 1, wherein: the support comprises a connecting sleeve in threaded connection with the bottom plate, a supporting rod in threaded connection with the connecting sleeve and a supporting block positioned at the top and hinged with the connecting rod.
3. The gear tooth positioning tool of claim 2, wherein: and the supporting rod is in threaded connection with a locking nut used for tightly abutting against the connecting sleeve.
4. The gear tooth positioning tool of claim 1, wherein: the outer circumferential wall of the driving cylinder is in threaded connection with the bottom plate, and the outer circumferential wall of the driving cylinder is in threaded connection with a locking ring which is used for abutting against the bottom plate.
5. The gear tooth positioning tool of claim 1, wherein: the positioning block is detachably connected with the bottom plate through a bolt.
6. The gear tooth positioning tool of claim 1, wherein: and an elastic cushion block is arranged on the surface of the short rod, which is used for abutting against the part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921374007.4U CN210498641U (en) | 2019-08-22 | 2019-08-22 | Gear tooth positioning tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921374007.4U CN210498641U (en) | 2019-08-22 | 2019-08-22 | Gear tooth positioning tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210498641U true CN210498641U (en) | 2020-05-12 |
Family
ID=70591099
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921374007.4U Active CN210498641U (en) | 2019-08-22 | 2019-08-22 | Gear tooth positioning tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210498641U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115041759A (en) * | 2022-06-02 | 2022-09-13 | 玉环普天单向器有限公司 | Gearbox star wheel inserts external tooth positioner |
-
2019
- 2019-08-22 CN CN201921374007.4U patent/CN210498641U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115041759A (en) * | 2022-06-02 | 2022-09-13 | 玉环普天单向器有限公司 | Gearbox star wheel inserts external tooth positioner |
| CN115041759B (en) * | 2022-06-02 | 2024-01-23 | 玉环普天单向器有限公司 | Gear box star wheel external tooth inserting positioning device |
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