CN211708703U - Positioning tool for machining of top tooth workpiece of sewing machine - Google Patents
Positioning tool for machining of top tooth workpiece of sewing machine Download PDFInfo
- Publication number
- CN211708703U CN211708703U CN201922430286.8U CN201922430286U CN211708703U CN 211708703 U CN211708703 U CN 211708703U CN 201922430286 U CN201922430286 U CN 201922430286U CN 211708703 U CN211708703 U CN 211708703U
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- China
- Prior art keywords
- fixed block
- positioning unit
- sewing machine
- pressing
- adjusting
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- Expired - Fee Related
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- 238000009958 sewing Methods 0.000 title claims abstract description 25
- 238000003754 machining Methods 0.000 title claims abstract description 10
- 230000003139 buffering effect Effects 0.000 claims description 6
- 238000003801 milling Methods 0.000 abstract description 7
- 230000000694 effects Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 1
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- Sewing Machines And Sewing (AREA)
Abstract
A positioning tool for machining a top tooth workpiece of a sewing machine comprises a bottom plate and a fixed block, wherein the fixed block is fixedly installed on the top surface of the bottom plate, and the workpiece is positioned and clamped on the top surface of the fixed block; the inside lift sliding connection of fixed block has the pressfitting positioning unit and the jacking positioning unit that upwards stretches out the fixed block top surface, pierces through and swivelling joint has the eccentric shaft that provides the power of pushing down for pressfitting positioning unit on this fixed block lateral wall, and pierces through and threaded connection has the locking bolt that compresses tightly jacking positioning unit on the lateral wall of fixed block. The positioning tool is matched with the pressing positioning unit and the jacking positioning unit to position and clamp the workpiece on the top surface of the fixed block, so that the function of the milling positioning tool for the top teeth of the sewing machine is realized, and the positioning tool is suitable for large-batch milling positioning clamping of the top teeth of the sewing machine.
Description
Technical Field
The utility model relates to a mechanical frock technical field, concretely relates to sewing machine top tooth processing is with location frock.
Background
The sewing machine top tooth is one of a plurality of complex structure workpieces of sewing machine, and the machined surface of this work piece is numerous, including the spatial structure cambered surface, and the locating surface is more when milling face processing, and the size is difficult to hold, and sewing machine top tooth structure is slim and long type, and its structural strength is not high, can't press from both sides through the bench vice among the prior art and adorn the location, and this just gives the milling face of sewing machine top tooth and presss from both sides the dress and bring not little degree of difficulty.
Through published patent search, no relevant comparison documents are found.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome prior art's weak point, provide a sewing machine pushes up tooth work piece processing with location frock, should fix a position the frock and press from both sides the work piece location on the top surface of fixed block through pressfitting positioning unit and jacking positioning unit cooperation, realized the face location frock function of milling of sewing machine top tooth, be applicable to large batch sewing machine top tooth and mill the face location and press from both sides the dress.
A positioning tool for machining a top tooth workpiece of a sewing machine comprises a bottom plate and a fixed block, wherein the fixed block is fixedly installed on the top surface of the bottom plate, and the workpiece is positioned and clamped on the top surface of the fixed block; the inside lift sliding connection of fixed block has the pressfitting positioning unit and the jacking positioning unit that upwards stretches out the fixed block top surface, pierces through and swivelling joint has the eccentric shaft that provides the power of pushing down for pressfitting positioning unit on this fixed block lateral wall, and pierces through and threaded connection has the locking bolt that compresses tightly jacking positioning unit on the lateral wall of fixed block.
The pressing and positioning unit comprises a pressing plate, the pressing plate is installed inside the fixed block in a lifting and sliding mode, a pressing head which extends out of the top face of the fixed block upwards and is pressed on the workpiece is arranged at the top of the pressing plate, and an arc-shaped hole which is communicated transversely is formed in the bottom of the pressing plate; the middle part of the eccentric shaft horizontally penetrates through the arc-shaped hole, an eccentric wheel in sliding fit with the inner wall of the arc-shaped hole is integrally manufactured in the middle part of the eccentric shaft, two ends of the eccentric shaft are respectively in rotating fit connection with the side wall of the fixing block, and a handheld handle is fixedly mounted at one end of the eccentric shaft.
The lifting positioning unit comprises a top plate, the top plate is arranged inside the fixed block in a lifting sliding mode, a spring long hole which is horizontally communicated and is arranged in the vertical direction is formed in the middle of the top plate, and a locking bolt is supported on the side wall of the top plate in a jacking mode; the spring slot is internally and elastically connected with a jacking spring, the top of the jacking spring is supported on the top surface of the spring slot in a buffering manner, and the bottom of the jacking spring is connected with an adjusting unit.
The joint unit comprises an adjusting long hole and an adjusting bolt, wherein the adjusting long hole is formed in the side wall of the fixed block in the vertical direction, and the adjusting long hole penetrates through the adjusting bolt and is in threaded connection with the adjusting bolt; the threaded end of the adjusting bolt penetrates through the adjusting long hole and extends into the spring long hole, and the upper part of the circumferential outer wall of the adjusting bolt supports and props against the spring in a buffering mode.
The utility model has the advantages and the technical effect be:
the utility model discloses a sewing machine top tooth work piece processing is with location frock provides the basis of work piece through bottom plate and fixed block and supports, by pressfitting positioning unit push down locking work piece, by jacking positioning unit elasticity shore work piece, the two cooperation is fixed the work piece on the top surface of fixed block, wherein:
1. a pressing positioning unit: the eccentric shaft is driven to rotate by the handheld handle, the arc-shaped hole is driven to move downwards by the eccentric wheel in the middle of the eccentric shaft, the pressing plate and the pressing head are further driven to move downwards, and the workpiece is pressed and locked by the pressing head;
2. jacking positioning unit: the top plate is used for supporting the workpiece, the jacking spring in the long hole of the plate spring of the top plate is used for providing upward force for the top plate, the pre-tightening force of the jacking spring is controlled by the adjusting long hole and the adjusting bolt, and finally the top plate is locked by the locking bolt in a positioning mode, so that the workpiece is prevented from vibrating in the face milling process.
The utility model discloses a sewing machine pushes up tooth processing and uses location frock has effectively reduced the big frock location degree of difficulty that sewing machine pushes up the tooth and mills the face in batches, has avoided the subtend to press from both sides the sewing machine that the dress brought and pushes up tooth deformation problem to the location of work piece and dismantlement are all comparatively convenient, have improved machining efficiency and machining precision greatly, are one kind and have higher creative sewing machine and push up tooth processing and use location frock.
Drawings
Fig. 1 is a perspective view (workpiece positioning state) of the present invention;
fig. 2 is a top view (workpiece positioning state) of the present invention;
FIG. 3 is a cross-sectional view of section A-A of FIG. 2;
fig. 4 is a partial sectional view of the jacking positioning unit of the present invention;
FIG. 5 is a schematic structural view of the pressing plate of the present invention;
fig. 6 is a schematic structural view of the eccentric shaft of the present invention;
in the figure: 1-a handle; 2-a pressure head; 3-a workpiece; 4-locking the bolt; 5, fixing blocks; 6-a bottom plate; 7-an eccentric shaft; 8-pressing a plate; 9-arc-shaped holes; 10-a top plate; 11-adjusting the long hole; 12-spring slot hole; 13-adjusting the bolt; 14-a jacking spring; 15-eccentric wheel.
Detailed Description
For further understanding of the contents, features and effects of the present invention, the following embodiments will be exemplified in conjunction with the accompanying drawings. It should be noted that the present embodiment is illustrative, not restrictive, and the scope of the invention should not be limited thereby.
A positioning tool for machining a top tooth workpiece of a sewing machine comprises a bottom plate 6 and a fixed block 5, wherein the fixed block is fixedly installed on the top surface of the bottom plate, and a workpiece 3 is positioned and clamped on the top surface of the fixed block; the inside lift sliding connection of fixed block has the pressfitting positioning unit and the jacking positioning unit that upwards stretches out the fixed block top surface, pierces through and swivelling joint has the eccentric shaft 7 that provides the power of pushing down for pressfitting positioning unit on this fixed block lateral wall, and pierces through and threaded connection has the locking bolt 4 that compresses tightly jacking positioning unit on the lateral wall of fixed block.
The pressing and positioning unit comprises a pressing plate 8 which is installed inside the fixed block in a lifting and sliding manner, the top of the pressing plate is provided with a pressing head 2 which extends out of the top surface of the fixed block upwards and is pressed on the workpiece, and the bottom of the pressing plate is provided with an arc-shaped hole 9 which is transversely penetrated; the middle part of the eccentric shaft horizontally penetrates through the arc-shaped hole, an eccentric wheel 15 in sliding fit with the inner wall of the arc-shaped hole is integrally manufactured in the middle part of the eccentric shaft, two ends of the eccentric shaft are respectively in rotating fit connection with the side wall of the fixing block, and a handheld handle 1 is fixedly arranged at one end of the eccentric shaft.
Moreover, the lifting and positioning unit comprises a top plate 10 which is arranged inside the fixed block in a lifting and sliding manner, a spring long hole 12 which is horizontally communicated and is arranged along the vertical direction is formed in the middle of the top plate, and a locking bolt is supported on the side wall of the top plate in a jacking manner; the spring slot is internally and elastically connected with a jacking spring 14, the top of the jacking spring is supported on the top surface of the spring slot in a buffering way, and the bottom of the jacking spring is connected with an adjusting unit.
Moreover, the joint unit comprises an adjusting long hole 11 and an adjusting bolt 13, wherein the adjusting long hole is formed in the side wall of the fixed block along the vertical direction, and the adjusting long hole penetrates through the adjusting bolt and is in threaded connection with the adjusting bolt; the threaded end of the adjusting bolt penetrates through the adjusting long hole and extends into the spring long hole, and the upper part of the circumferential outer wall of the adjusting bolt supports and props against the spring in a buffering mode.
To more clearly illustrate the embodiments of the present invention, an example is provided below:
the utility model discloses a sewing machine top tooth work piece processing is with location frock, need place the work piece on the top surface of fixed block during locking the work piece, the top surface of roof is highly higher than the fixed block top surface height this moment, need manually to push down the work piece, guarantee roof height and fixed block top surface highly uniform, then manual handheld handle of pushing down, make the clamp plate down, the pressure head at clamp plate top closely pressfitting is on the work piece top surface, the tight bolt in top of screwing at last, avoid milling a face in-process roof and go upward, make the work piece take place to vibrate.
It should be noted that the pretightening force of the jacking spring should not be too large, and only the fixed height of the adjusting bolt in the adjusting long hole needs to be controlled when the pretightening force of the jacking spring is adjusted.
It will be understood that modifications and variations can be made by persons skilled in the art in light of the above teachings and all such modifications and variations are considered to be within the scope of the invention as defined by the following claims.
Claims (4)
1. The utility model provides a sewing machine top tooth processing is with location frock which characterized in that: the fixture comprises a bottom plate and a fixed block, wherein the fixed block is fixedly arranged on the top surface of the bottom plate, and a workpiece is positioned and clamped on the top surface of the fixed block; the inner part of the fixed block is connected with a pressing positioning unit and a jacking positioning unit which extend upwards to the top surface of the fixed block in a lifting and sliding manner, the side wall of the fixed block is penetrated and rotatably connected with an eccentric shaft which provides pressing power for the pressing positioning unit, and the side wall of the fixed block is penetrated and connected with a locking bolt of the pressing jacking positioning unit in a threaded manner.
2. The positioning tool for machining the top tooth workpiece of the sewing machine according to claim 1, characterized in that: the pressing and positioning unit comprises a pressing plate, the pressing plate is installed inside the fixed block in a lifting and sliding mode, a pressing head which extends out of the top face of the fixed block upwards and is pressed on the workpiece is arranged at the top of the pressing plate, and an arc-shaped hole which is transversely communicated is formed in the bottom of the pressing plate; the middle part of the eccentric shaft horizontally penetrates through the arc-shaped hole, an eccentric wheel in sliding fit with the inner wall of the arc-shaped hole is integrally manufactured in the middle part of the eccentric shaft, two ends of the eccentric shaft are respectively in rotating fit connection with the side wall of the fixing block, and a handheld handle is fixedly mounted at one end of the eccentric shaft.
3. The positioning tool for machining the top tooth workpiece of the sewing machine according to claim 1, characterized in that: the lifting positioning unit comprises a top plate, the top plate is arranged in the fixed block in a lifting sliding mode, a spring long hole which is horizontally communicated and is arranged in the vertical direction is formed in the middle of the top plate, and a locking bolt is supported on the side wall of the top plate in a jacking mode; the top of the jacking spring is supported on the top surface of the spring long hole in a buffering manner, and the bottom of the jacking spring is connected with an adjusting unit.
4. The positioning tool for machining the top tooth workpiece of the sewing machine according to claim 3, characterized in that: the adjusting unit comprises an adjusting long hole and an adjusting bolt, wherein the adjusting long hole is formed in the side wall of the fixed block in the vertical direction, and the adjusting long hole penetrates through the adjusting bolt and is in threaded connection with the adjusting bolt; the threaded end of the adjusting bolt penetrates through the adjusting long hole and extends into the spring long hole, and the upper part of the circumferential outer wall of the adjusting bolt supports and props against the spring in a buffering mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922430286.8U CN211708703U (en) | 2019-12-30 | 2019-12-30 | Positioning tool for machining of top tooth workpiece of sewing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922430286.8U CN211708703U (en) | 2019-12-30 | 2019-12-30 | Positioning tool for machining of top tooth workpiece of sewing machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211708703U true CN211708703U (en) | 2020-10-20 |
Family
ID=72820656
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922430286.8U Expired - Fee Related CN211708703U (en) | 2019-12-30 | 2019-12-30 | Positioning tool for machining of top tooth workpiece of sewing machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211708703U (en) |
-
2019
- 2019-12-30 CN CN201922430286.8U patent/CN211708703U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20201020 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |