CN204353785U - Automobile tooth cover fork slot fixture for processing frock - Google Patents
Automobile tooth cover fork slot fixture for processing frock Download PDFInfo
- Publication number
- CN204353785U CN204353785U CN201420800741.3U CN201420800741U CN204353785U CN 204353785 U CN204353785 U CN 204353785U CN 201420800741 U CN201420800741 U CN 201420800741U CN 204353785 U CN204353785 U CN 204353785U
- Authority
- CN
- China
- Prior art keywords
- sleeve
- elastic expansion
- positioning seat
- tooth cover
- fork slot
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- 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
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- Dental Tools And Instruments Or Auxiliary Dental Instruments (AREA)
Abstract
The utility model discloses a kind of automobile tooth cover fork slot fixture for processing frock, comprise before being fixedly connected sequentially and connect dish, Connection Block and positioning seat, described positioning seat comprises the location shaft shoulder, the below of the described location shaft shoulder is provided with elastic expansion-sleeve, described elastic expansion-sleeve comprises swelling portion and connecting portion, described connecting portion is fixed on positioning seat, dish is connect before described, Connection Block, positioning seat and elastic expansion-sleeve are coaxially arranged, and before connect dish, Connection Block, the hold-down mechanism being provided with and compressing ringfeder is run through at the middle part of positioning seat and elastic expansion-sleeve, the purpose of this utility model is that providing a kind of can accurately locate synchronizer gear sleeve during turnery processing and clamp, make the fork slot precision after processing high, improve the automobile tooth cover fork slot fixture for processing frock of synchronizer gear sleeve job stability.
Description
Technical field
The utility model relates to a kind of frock clamp, particularly relates to a kind of automobile tooth cover fork slot fixture for processing frock.
Background technology
Automobile synchronizer gearshift not only have gearshift light, avoid the advantages such as impact, stress release treatment, prolongation gear life, and gearshift can also be made rapid, improve the dynamic property of automobile, economical and security, therefore, the gearshift of Hyundai Motor, particularly car nearly all adopts this device.Automobile synchronizer is primarily of compositions such as tooth cover, tooth hub, synchronous lock rings, and its feature relies on rubbing action to realize synchronously.Synchronizer gear sleeve has fork slot, gear sleeve of automobile synchronizer operationally, need connect through shift fork, make synchronizer tooth cover back taper tooth and the engagement of each gear tooth, thus make each gear tooth with driving shaft associated movement, shift fork then carrys out the connection of control synchro and other gears by the fork slot on synchronizer gear sleeve, owing to needing when synchronized is shifted gears to stir fork slot by shift fork, so the precision of fork slot directly affects the job stability of synchronized.In existing process technology, fork slot has normally been come by turnery processing, but lack the machining accuracy that special turning clamp ensures fork slot at present, the axiality particularly during fork slot machining and between central shaft is difficult to ensure, causes the machining accuracy of fork slot to be difficult to meet the requirements.
Utility model content
The purpose of this utility model is that providing a kind of can accurately locate synchronizer gear sleeve during turnery processing and clamp, and makes the fork slot precision after processing high, improves the automobile tooth cover fork slot fixture for processing frock of synchronizer gear sleeve job stability.
To achieve these goals, the utility model provides following technical scheme: automobile tooth cover fork slot fixture for processing frock, comprise before being fixedly connected sequentially and connect dish, Connection Block and positioning seat, described positioning seat comprises the location shaft shoulder, the below of the described location shaft shoulder is provided with elastic expansion-sleeve, described elastic expansion-sleeve comprises swelling portion and connecting portion, described connecting portion is fixed on positioning seat, connect dish, Connection Block, positioning seat and elastic expansion-sleeve before described coaxially to arrange, and the hold-down mechanism being provided with and compressing ringfeder is run through at the front middle part connecing dish, Connection Block, positioning seat and elastic expansion-sleeve.
This programme is achieved in that the fork slot of synchronizer gear sleeve is when carrying out turnery processing, synchronizer gear sleeve is arranged on elastic expansion-sleeve, and utilize the location shaft shoulder on positioning seat accurately to locate, then by the hold-down mechanism connect in the middle part of dish, Connection Block, positioning seat and elastic expansion-sleeve before running through, elastic expansion-sleeve is compressed, thus the tooth cover on elastic expansion-sleeve is compressed, when realizing turnery processing, the utility model is accurately located synchronizer gear sleeve and clamps, make the fork slot precision after processing high, improve the stability of synchronizer gear sleeve work.In addition, be coaxial setting owing to front connecing dish, Connection Block, positioning seat and elastic expansion-sleeve, hold-down mechanism, when compressing tooth cover, can ensure its good axiality to improve the machining accuracy of fork slot; Meanwhile, because tooth cover belongs to thin wall work-piece, adopt elastic expansion-sleeve to carry out to tooth cover compressions and locate, avoid adopting the installation way of traditional turning clamp and the damage that causes tooth to overlap.
Preferably, described hold-down mechanism comprises can along the pull bar of described fixture horizontal axis movement, the intermediate bar that described pull bar comprises pull head in taper, foot piece and is located between pull head and foot piece, described intermediate bar runs through the connecting portion of Connection Block, positioning seat and elastic expansion-sleeve, described pull head runs through the swelling portion of elastic expansion-sleeve, dish is connect before described foot piece runs through, be provided with the die cavity depositing pull head in the connecting portion of described elastic expansion-sleeve, the swelling portion inwall of described elastic expansion-sleeve is set to the inner conical surface with pull head mating shapes.Before this hold-down mechanism work, pull head on pull bar be positioned at elastic expansion-sleeve swelling portion outside, during work, pull pull bar and drive pull head to move backward, pull bar front end is that the pull head of taper moves to the swelling portion of elastic expansion-sleeve, and the swelling portion inwall due to elastic expansion-sleeve is the conical surface being set to match with pull head periphery, makes pull head in the process of swelling portion movement, pull head compresses the swelling portion of elastic expansion-sleeve gradually, thus compresses the tooth cover on elastic expansion-sleeve.
Preferably, described intermediate bar is provided with detent, described Connection Block is provided with the dog screw along the vertical movement of detent, when pulling back the pull head on pull bar, when pull head moves to correct position, be pressed in detent by running fix screw, thus the axial location of pull bar positioned, avoid pull head to alter backward under the active force of elastic expansion-sleeve, thus lose the swelling effect to tooth cover.
Preferably, described elastic expansion-sleeve is circumferentially provided with six expansion hatches, the swelling portion of elastic expansion-sleeve can better to external expansion in swelling process, utilize the expansion hatch of circumference can better to fit workpiece inner wall, make the swelling portion of elastic expansion-sleeve can more firmly swelling workpiece, increase the stability of its clamping.
Preferably, described foot piece and before connect to coil between inwall and be provided with gap, guarantee that pull bar can driven forward smoothly.
Preferably, described hold-down mechanism comprises positioning core axle, one end of described positioning core axle is provided with caudal peduncle, the other end is connected with screw rod, described screw rod is arranged near one end of elastic expansion-sleeve, on screw rod, movable sleeve is provided with pressing plate, and described pressing plate and elastic expansion-sleeve offset, and described screw rod is also installed with the adjusting nut compressing pressing plate.Tooth cover is arranged on elastic expansion-sleeve, and utilize the location shaft shoulder on positioning seat accurately to locate, then pressing plate (nut employing fine thread is compressed by rotating adjusting nut, the rotation direction when rotation direction of nut works with clamp body is contrary, flying out of workpiece can be prevented), because pressing plate and elastic expansion-sleeve offset, pressing plate can be compressed elastic expansion-sleeve, and then compress the tooth cover on elastic expansion-sleeve.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model automobile tooth cover fork slot fixture for processing frock embodiment 1;
Fig. 2 is the schematic diagram of the utility model automobile tooth cover fork slot fixture for processing frock embodiment 1 Elastic ringfeder;
Fig. 3 is the schematic diagram of pull bar in the utility model automobile tooth cover fork slot fixture for processing frock embodiment 1;
Fig. 4 is the structural representation of the utility model automobile tooth cover fork slot fixture for processing frock embodiment 2.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail:
Reference numeral in Figure of description comprises: frontly connect dish 1, Connection Block 2, positioning seat 3, elastic expansion-sleeve 4, swelling portion 5, connecting portion 6, hold-down mechanism 7, pull bar 71, intermediate bar 72, detent 73, dog screw 74, pull head 75, foot piece 76, die cavity 77, positioning core axle 10, caudal peduncle 11, screw rod 12, pressing plate 13, adjusting nut 14.
Embodiment 1
As Fig. 1, shown in Fig. 2, automobile tooth cover fork slot fixture for processing frock, comprise before being fixedly connected sequentially and connect dish 1, Connection Block 2 and positioning seat 3, before connect between dish 1 and Connection Block 2 and be fixed by dog screw and soket head cap screw, be fixed by soket head cap screw between Connection Block 2 and positioning seat 3, positioning seat 3 comprises the location shaft shoulder, the below of the location shaft shoulder is provided with elastic expansion-sleeve 4, elastic expansion-sleeve 4 comprises swelling portion 5 and connecting portion 6, connecting portion 6 is fixed on positioning seat 3 by soket head cap screw, before connect dish 1, Connection Block 2, positioning seat 3 and elastic expansion-sleeve 4 are coaxially arranged, and before connect dish 1, Connection Block 2, the hold-down mechanism 7 being provided with and compressing ringfeder is run through at the middle part of positioning seat 3 and elastic expansion-sleeve 4.
As shown in Figure 3, hold-down mechanism 7 comprises pull bar 71, pull bar 71 is by cylinder tethered sliding, pull bar 71 comprises and runs through Connection Block 2, the intermediate bar 72 of positioning seat 3 and elastic expansion-sleeve 4 connecting portion 6, intermediate bar 72 is provided with detent 73, Connection Block 2 is provided with the dog screw 74 along the vertical movement of detent 73, one end of intermediate bar 72 is connected with the pull head 75 in taper, the other end of intermediate bar 72 is connected with foot piece 76, pull head 75 runs through the swelling portion 5 of elastic expansion-sleeve 4, dish 1 is connect before foot piece 76 runs through, the die cavity 77 depositing pull head 75 is provided with in the connecting portion 6 of elastic expansion-sleeve 4, swelling portion 6 inwall of elastic expansion-sleeve 4 is set to the conical surface matched with pull head 75 periphery, the diameter of foot piece 76 is greater than the diameter of intermediate bar 72, foot piece 76 and frontly connect the gap being provided with 0.5mm between dish 1 inwall, pull head 75 is fixed on the intermediate bar 72 of pull bar 71 by soket head cap screw.
In the present embodiment, the fork slot of synchronizer gear sleeve is when carrying out turnery processing, synchronizer gear sleeve is arranged on elastic expansion-sleeve 4, and utilize the location shaft shoulder on positioning seat 3 accurately to locate, then compressed by hold-down mechanism 7 pairs of elastic expansion-sleeves 4 connect in the middle part of dish 1, Connection Block 2, positioning seat 3 and elastic expansion-sleeve 4 before running through, thus the tooth cover on elastic expansion-sleeve 4 is compressed, when realizing turnery processing, the utility model is accurately located synchronizer gear sleeve and clamps, make the fork slot precision after processing high, improve the stability of synchronizer gear sleeve work.In addition, are coaxial settings owing to front connecing dish 1, Connection Block 2, positioning seat 3 and elastic expansion-sleeve 4, hold-down mechanism 7, when compressing tooth cover, can ensure its good axiality to improve the machining accuracy of fork slot, simultaneously, because tooth cover belongs to thin wall work-piece, elastic expansion-sleeve 4 pairs of tooth covers are adopted to carry out compression location, avoid adopting the installation way of traditional turning clamp and the damage causing tooth to overlap, before hold-down mechanism 7 works, pull head 75 on pull bar 71 be positioned at elastic expansion-sleeve 4 swelling portion 5 outside, during work, pull pull bar 71 and drive pull head 75 to move backward, pull bar 71 front end is that the pull head 75 of taper moves to the swelling portion 5 of elastic expansion-sleeve 4, swelling portion 5 inwall due to elastic expansion-sleeve 4 is the conical surface being set to match with pull head 75 periphery, make pull head 75 in the process of swelling portion 5 movement, pull head 75 compresses the swelling portion 5 of elastic expansion-sleeve 4 gradually, thus the tooth cover on elastic expansion-sleeve 4 is compressed.
In addition, intermediate bar 72 is provided with detent 73, Connection Block 2 is provided with the dog screw 74 along the vertical movement of detent 73, when pulling back the pull head 75 on pull bar 71, when pull head 75 moves to correct position, be pressed in detent 73 by running fix screw 74, thus the axial location of pull bar 71 is positioned, avoid pull head 75 to alter backward under the active force of elastic expansion-sleeve 4, thus lose the swelling effect to tooth cover; The diameter of foot piece 76 is greater than the diameter of intermediate bar 72, pushing drawing rod 71 forward time, when making the foot piece 76 connecing dish 1 before running through move to Connection Block 2, Connection Block 2 can carry out spacing to foot piece 76, avoiding pull head 75 to move forward distance too much causes expansion excessive, thus causes tooth to overlap damage; Foot piece 76 and frontly connect the gap being provided with 0.5mm between dish 1 inwall, guarantees that pull bar 71 can driven forward smoothly.
Embodiment 2
As shown in Figure 4, the automobile tooth cover fork slot fixture for processing frock of the present embodiment, substantially identical with principle with the structure of embodiment 1, its difference is different from the structure of " compressing the hold-down mechanism of ringfeder ", its concrete structure is: hold-down mechanism comprises positioning core axle 10, one end of positioning core axle 10 is provided with caudal peduncle 11, the other end is connected with screw rod 12, screw rod 12 is arranged near one end of elastic expansion-sleeve 4, screw rod 12 is set on pressing plate 13, pressing plate 13 and elastic expansion-sleeve 4 offset, and screw rod 12 are also installed with the adjusting nut 14 compressing pressing plate 13.
This hold-down mechanism is work like this: tooth cover is arranged on elastic expansion-sleeve 4, and utilize the location shaft shoulder on positioning seat 3 accurately to locate, then pressing plate 13(nut employing fine thread is compressed by rotating adjusting nut 14, the rotation direction when rotation direction of nut works with clamp body is contrary, flying out of workpiece can be prevented), because pressing plate 13 and elastic expansion-sleeve 4 offset, pressing plate 13 can be compressed elastic expansion-sleeve 4, and then compress the tooth cover on elastic expansion-sleeve 4.
Above-described is only preferred embodiment of the present utility model; should be understood that; for a person skilled in the art; under the prerequisite not departing from the utility model structure; some distortion and improvement can also be made; these also should be considered as protection domain of the present utility model, and these all can not affect effect and the practical applicability of the utility model enforcement.
Claims (6)
1. automobile tooth cover fork slot fixture for processing frock, it is characterized in that, comprise before being fixedly connected sequentially and connect dish, Connection Block and positioning seat, described positioning seat comprises the location shaft shoulder, the below of the described location shaft shoulder is provided with elastic expansion-sleeve, described elastic expansion-sleeve comprises swelling portion and connecting portion, described connecting portion is fixed on positioning seat, connect dish, Connection Block, positioning seat and elastic expansion-sleeve before described coaxially to arrange, and the hold-down mechanism being provided with and compressing ringfeder is run through at the front middle part connecing dish, Connection Block, positioning seat and elastic expansion-sleeve.
2. automobile tooth cover fork slot fixture for processing frock as claimed in claim 1, it is characterized in that, described hold-down mechanism comprises can along the pull bar of described fixture horizontal axis movement, described pull bar comprises the pull head in taper, foot piece and the intermediate bar be located between pull head and foot piece, described intermediate bar runs through Connection Block, the connecting portion of positioning seat and elastic expansion-sleeve, described pull head runs through the swelling portion of elastic expansion-sleeve, dish is connect before described foot piece runs through, the die cavity depositing pull head is provided with in the connecting portion of described elastic expansion-sleeve, the swelling portion inwall of described elastic expansion-sleeve is set to the inner conical surface with pull head mating shapes.
3. automobile tooth cover fork slot fixture for processing frock as claimed in claim 2, it is characterized in that, described intermediate bar is provided with detent, and described Connection Block is provided with the dog screw along the vertical movement of detent.
4. automobile tooth cover fork slot fixture for processing frock as claimed in claim 2, is characterized in that, described elastic expansion-sleeve is circumferentially provided with six expansion hatches.
5. automobile tooth cover fork slot fixture for processing frock as claimed in claim 2, is characterized in that, described foot piece and before connect to coil between inwall and be provided with gap.
6. automobile tooth cover fork slot fixture for processing frock as claimed in claim 1, it is characterized in that, described hold-down mechanism comprises positioning core axle, one end of described positioning core axle is provided with caudal peduncle, the other end is connected with screw rod, and described screw rod is arranged near one end of elastic expansion-sleeve, and on screw rod, movable sleeve is provided with pressing plate, described pressing plate and elastic expansion-sleeve offset, and described screw rod are also installed with the adjusting nut compressing pressing plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420800741.3U CN204353785U (en) | 2014-12-16 | 2014-12-16 | Automobile tooth cover fork slot fixture for processing frock |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420800741.3U CN204353785U (en) | 2014-12-16 | 2014-12-16 | Automobile tooth cover fork slot fixture for processing frock |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204353785U true CN204353785U (en) | 2015-05-27 |
Family
ID=53255281
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420800741.3U Expired - Fee Related CN204353785U (en) | 2014-12-16 | 2014-12-16 | Automobile tooth cover fork slot fixture for processing frock |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204353785U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109590771A (en) * | 2017-09-30 | 2019-04-09 | 博世汽车部件(苏州)有限公司 | Work fixing device and its application method |
-
2014
- 2014-12-16 CN CN201420800741.3U patent/CN204353785U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109590771A (en) * | 2017-09-30 | 2019-04-09 | 博世汽车部件(苏州)有限公司 | Work fixing device and its application method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150527 Termination date: 20151216 |
|
| EXPY | Termination of patent right or utility model |