CN212419955U - Positioning mechanism for gear machining - Google Patents
Positioning mechanism for gear machining Download PDFInfo
- Publication number
- CN212419955U CN212419955U CN202021053770.XU CN202021053770U CN212419955U CN 212419955 U CN212419955 U CN 212419955U CN 202021053770 U CN202021053770 U CN 202021053770U CN 212419955 U CN212419955 U CN 212419955U
- Authority
- CN
- China
- Prior art keywords
- vertical section
- bolt
- supporting block
- gear
- positioning mechanism
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Landscapes
- Jigs For Machine Tools (AREA)
Abstract
The utility model relates to a positioning mechanism for gear machining. The device comprises a base plate which is a circular plate and is provided with a central hole. The method is characterized in that: radial grooves with T-shaped sections are uniformly distributed on the base plate outside the central hole in the circumferential direction. The radial grooves are all provided with first bolts. The bolt cover of the first bolt is positioned in the transverse part of the radial groove, and the outer end of the bolt cover passes through the vertical part of the radial groove and then extends out. Supporting blocks are evenly distributed on the outer surface of the base plate in the circumferential direction, and the number of the supporting blocks is equal to and corresponds to that of the radial grooves. The supporting block is composed of a transverse section, an inner vertical section and an outer vertical section, wherein the inner vertical section and the outer vertical section are connected to two ends of the transverse section, the inner vertical section is connected to the outside of the chassis through a first bolt and a nut, and when the supporting block works, the outer vertical section is connected with the periphery of the lower surface of a gear blank to be processed through a second bolt. The positioning mechanism is easy to operate. By adopting the positioning mechanism, the working efficiency and the product quality can be improved. Be used for when being applicable to processing gear groove fixing the gear blank of processing.
Description
Technical Field
The utility model relates to a clamp. Specifically, the positioning mechanism is used for fixing a gear blank to be machined when a gear groove is machined. The bevel gear fixing device is particularly suitable for fixing a bevel gear blank.
Background
It is known in the gear production industry that the positioning mechanisms used to fix the gear blank being machined are chucks when machining the gear grooves. The chuck comprises a circular chassis, radial grooves are uniformly distributed on the periphery of the outer surface of the circular chassis, screw holes parallel to and communicated with the radial grooves are formed in groove bottoms of the radial grooves, and screw rods are arranged in the screw holes. The radial groove is internally provided with a clamping jaw, the bottom of the clamping jaw is provided with an arc-shaped groove, the arc-shaped groove is internally provided with a thread, and the thread is meshed with the screw rod. The outer ends of the claws extend out of the radial grooves. The screw rod is screwed to drive the clamping jaws meshed with the screw rod to move along the radial grooves. When the clamping jaws work, the clamping jaws are all positioned in the central holes of the gear blank to be machined, then the screw rods are screwed one by one, the clamping jaws move outwards, and outwards supporting force is applied to the clamping jaws from the inner side of the central hole of the gear blank to be machined, so that the gear blank to be machined is fixed and positioned. Although the chuck can be used for positioning the gear blank to be machined, the radial positions of the clamping jaws are adjusted by screwing the screw rods one by one, so that the operation is troublesome, and the working efficiency is low. And because the radial position of each clamping jaw is adjusted to realize the positioning of the gear blank to be processed, the clamping force is small, the gear blank to be processed is easy to loosen, the processing error is large, and the processing quality is difficult to ensure.
SUMMERY OF THE UTILITY MODEL
The to-be-solved problem of the utility model is to provide a positioning mechanism for gear machining. The positioning mechanism is easy to operate. By adopting the positioning mechanism, the working efficiency and the product quality can be improved.
The utility model discloses the above-mentioned problem that solves is realized by following technical scheme:
the utility model discloses a positioning mechanism for gear machining includes the chassis, the chassis is the circular disk, has the centre bore on it. The method is characterized in that: radial grooves with T-shaped sections are uniformly distributed on the base plate outside the central hole in the circumferential direction. The radial grooves are all provided with first bolts. The bolt cover of the first bolt is positioned in the transverse part of the radial groove, and the outer end of the bolt cover passes through the vertical part of the radial groove and then extends out. Supporting blocks are evenly distributed on the outer surface of the base plate in the circumferential direction, and the number of the supporting blocks is equal to and corresponds to that of the radial grooves. The supporting block is composed of a transverse section, an inner vertical section and an outer vertical section, wherein the inner vertical section and the outer vertical section are connected to two ends of the transverse section, the inner vertical section is connected to the outside of the chassis through a first bolt and a nut, and when the supporting block works, the outer vertical section is connected with the periphery of the lower surface of a gear blank to be processed through a second bolt.
The supporting block is formed by bending a rectangular plate, and the length direction of the supporting block is parallel to the longitudinal direction of the radial groove. The first bolts are two in number, the inner vertical section of the supporting block is provided with two through holes, and the two first bolts respectively penetrate through the through holes and then extend out of the inner vertical section of the supporting block and are locked together by the nuts.
The utility model discloses a further improvement scheme is, and the equipartition has the screw all around by the lower surface of processing gear blank, and the quantity of this screw is corresponding with the quantity of second bolt. The outer vertical section of the supporting block is provided with a waist-shaped hole, and the second bolt penetrates through the corresponding waist-shaped hole and then is screwed into the corresponding screw hole on the lower surface of the gear blank to be processed.
According to the scheme, the radial grooves with the T-shaped sections are uniformly distributed in the circumferential direction of the base plate outside the central hole, and the first bolts are arranged in the radial grooves. The bolt cover of the first bolt is positioned in the transverse part of the radial groove, and the outer end of the bolt cover passes through the vertical part of the radial groove and then extends out. Supporting blocks are evenly distributed on the outer surface of the base plate in the circumferential direction, and the number of the supporting blocks is equal to and corresponds to that of the radial grooves. The supporting block is composed of a transverse section, an inner vertical section and an outer vertical section, wherein the inner vertical section and the outer vertical section are connected to two ends of the transverse section, the inner vertical section is connected to the outside of the chassis through a first bolt and a nut, and when the supporting block works, the outer vertical section is connected with the periphery of the lower surface of a gear blank to be processed through a second bolt. The radial position of the supporting block can be adjusted by loosening the first bolt, so that the requirements of gear blanks to be processed with different specifications and sizes are met. And the outer vertical section of the supporting block is connected with the periphery of the lower surface of the gear blank to be processed by the second bolt. Once the second bolt is screwed down, the gear blank to be machined is fixed and positioned, and the condition that the gear blank to be machined is loosened cannot occur in the machining process. Compared with the background art, the method is easy to operate, and can improve the working efficiency and the product quality.
Drawings
FIG. 1 is a schematic view of a positioning mechanism for gear machining according to the present invention;
fig. 2 is a sectional view a-a of fig. 1.
Detailed Description
As shown in fig. 1 and 2, the positioning mechanism for gear machining according to the present invention includes a base plate 14. The base plate 4 is a disc, and a central hole 2 is processed on the base plate. Six radial grooves 1 with T-shaped sections are uniformly distributed on the base plate 4 outside the central hole 2 in the circumferential direction. Two first bolts 6 are arranged in the radial grooves 1. The cap 71 of the first bolt 6 is located in the lateral part of the radial slot 1, and its outer end passes through the vertical part of the radial slot 1 and then protrudes outside. Six supporting blocks are uniformly distributed on the outer surface of the chassis 4 in the circumferential direction and respectively correspond to the six radial grooves 1. The supporting block is composed of a transverse section 8, an inner vertical section 5 and an outer vertical section 9 which are connected to two ends of the transverse section 8, and the inner vertical section 5 is connected to the outside of the chassis 4 through a first bolt 6 and a nut 7. In operation, the outer vertical section 9 is connected with the periphery of the lower surface of the gear blank 3 to be processed by the second bolt 10.
The supporting block is formed by bending a rectangular plate, and the length direction of the supporting block is parallel to the longitudinal direction of the radial groove 1. The number of the first bolts 6 is two, two through holes are processed on the inner vertical section 5 of the supporting block, and the two first bolts 6 respectively penetrate through the through holes and then extend out of the inner vertical section 5 of the supporting block and are locked together by the nuts 7.
Six screw holes are uniformly distributed on the periphery of the lower surface of the machined gear blank 3, and the six screw holes correspond to the second bolts 10 respectively. A waist-shaped hole 11 is processed on the outer vertical section 9 of the supporting block, and a second bolt 10 passes through the corresponding waist-shaped hole 11 and then is screwed into the corresponding screw hole on the lower surface of the gear blank 3 to be processed.
Claims (3)
1. The positioning mechanism for gear machining comprises a chassis; the base plate is a circular plate and is provided with a central hole; the method is characterized in that: radial grooves with T-shaped sections are uniformly distributed on the chassis outside the central hole in the circumferential direction; first bolts are arranged in the radial grooves; the bolt cover of the first bolt is positioned in the transverse part of the radial groove, and the outer end of the bolt cover passes through the vertical part of the radial groove and then extends out; supporting blocks are uniformly distributed on the outer surface of the base plate in the circumferential direction, and the number of the supporting blocks is equal to and corresponds to that of the radial grooves; the supporting block is composed of a transverse section, an inner vertical section and an outer vertical section, wherein the inner vertical section and the outer vertical section are connected to two ends of the transverse section, the inner vertical section is connected to the outside of the chassis through a first bolt and a nut, and when the supporting block works, the outer vertical section is connected with the periphery of the lower surface of a gear blank to be processed through a second bolt.
2. The positioning mechanism for gear processing according to claim 1, characterized in that: the supporting block is formed by bending a rectangular plate, and the length direction of the supporting block is parallel to the longitudinal direction of the radial groove; the first bolts are two in number, the inner vertical section of the supporting block is provided with two through holes, and the two first bolts respectively penetrate through the through holes and then extend out of the inner vertical section of the supporting block and are locked together by the nuts.
3. The positioning mechanism for gear processing according to claim 1, characterized in that: screw holes are uniformly distributed on the periphery of the lower surface of the gear blank to be processed, and the number of the screw holes is the same as that of the second bolts; the outer vertical section of the supporting block is provided with a waist-shaped hole, and the second bolt penetrates through the corresponding waist-shaped hole and then is screwed into the corresponding screw hole on the lower surface of the gear blank to be processed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021053770.XU CN212419955U (en) | 2020-06-11 | 2020-06-11 | Positioning mechanism for gear machining |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021053770.XU CN212419955U (en) | 2020-06-11 | 2020-06-11 | Positioning mechanism for gear machining |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212419955U true CN212419955U (en) | 2021-01-29 |
Family
ID=74271828
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021053770.XU Expired - Fee Related CN212419955U (en) | 2020-06-11 | 2020-06-11 | Positioning mechanism for gear machining |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212419955U (en) |
-
2020
- 2020-06-11 CN CN202021053770.XU patent/CN212419955U/en not_active Expired - Fee Related
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN204565224U (en) | For processing the drill jig of cover parts radial hole | |
| CN103394935A (en) | Pneumatic expansion type clamp | |
| CN203448793U (en) | Slender shaft end hobbing fixture | |
| CN112276257A (en) | A anchor clamps frock for gear machining | |
| CN212419955U (en) | Positioning mechanism for gear machining | |
| CN103042408B (en) | End plane turning universal fixture for special-shaped parts | |
| CN211758996U (en) | Composite nut production equipment | |
| CN202088012U (en) | Mechanical clamping spring collet for holes | |
| CN201091946Y (en) | Fixture for tapping machine | |
| KR101982908B1 (en) | Sub chuck jaw for lathe | |
| CN218612729U (en) | Equipment for realizing automatic and rapid nut screwing in small space | |
| CN207071728U (en) | Passenger car rack and pinion steering gear rack rollers high-efficiency precise hydraulic fixture | |
| CN212329681U (en) | Clamping device for turning thin-wall valve body fitting | |
| CN104551733B (en) | Lathe multiple spot Auxiliary support clamping device | |
| CN103831483A (en) | Gear shaping clamp for machining shaft internal spline | |
| CN217619287U (en) | Lathe machining fixture for outer circle of crank throw journal of crankshaft | |
| CN113305360B (en) | Flange production process | |
| CN201338127Y (en) | Machining clamp for base plane of beam support of pumping unit | |
| CN202114489U (en) | Bracket machining device | |
| CN218341550U (en) | Nut processing and positioning device | |
| CN215546896U (en) | Felling equipment transmission roller processing jig | |
| CN109333116A (en) | Small control arm processing tool and its processing technology | |
| CN202934384U (en) | Workpiece positioning device | |
| CN213615417U (en) | Special clamp for milling arc | |
| CN212398831U (en) | Turning clamp for machining holes in irregular sliding plate part of gear hobbing machine |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210129 |