CN210280947U - Clamp for machining inner teeth of reverse gear sliding sleeve - Google Patents
Clamp for machining inner teeth of reverse gear sliding sleeve Download PDFInfo
- Publication number
- CN210280947U CN210280947U CN201921399075.6U CN201921399075U CN210280947U CN 210280947 U CN210280947 U CN 210280947U CN 201921399075 U CN201921399075 U CN 201921399075U CN 210280947 U CN210280947 U CN 210280947U
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- China
- Prior art keywords
- sliding sleeve
- clamping
- reverse gear
- clamping mechanism
- guide grooves
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- 238000003754 machining Methods 0.000 title claims abstract description 17
- 230000007246 mechanism Effects 0.000 claims abstract description 20
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 8
- 238000009434 installation Methods 0.000 abstract description 4
- 238000000034 method Methods 0.000 description 5
- 230000008569 process Effects 0.000 description 4
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000005266 casting Methods 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000003723 Smelting Methods 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000000641 cold extrusion Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000003631 expected effect Effects 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
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Abstract
The utility model discloses a fixture for processing internal teeth of a reverse gear sliding sleeve, which comprises a lower support body, wherein the lower support body is provided with a clamping mechanism, and the clamping mechanism is provided with a plurality of clamping pieces; the clamping mechanism is used for driving the clamping piece to clamp the outer teeth of the sliding sleeve; the number of the clamping pieces is two pairs, and the clamping pieces are circumferentially assembled on the clamping mechanism in an array manner; the lower supporter includes the hypoplastron, and the hypoplastron upwards extends the installation and is fixed with the carriage, and the carriage upper end installation is fixed with the upper plate. The utility model discloses conveniently realize the centre gripping operation of sliding sleeve, easy operation, the centre gripping is stable, can not produce the double-layered trace to the sliding sleeve during centre gripping, can ensure the sliding sleeve centre of a circle after the centre gripping simultaneously between two parties to improve processingequipment's machining precision, improve the production efficiency of sliding sleeve, have stronger practicality.
Description
Technical Field
The utility model relates to a sliding sleeve processing equipment correlation technique field especially relates to an anchor clamps are used in processing of reverse gear sliding sleeve internal tooth.
Background
As shown in fig. 1, the three-dimensional structure of the reverse gear sliding sleeve is shown, and it can be seen from the figure that the inner and outer walls of the reverse gear sliding sleeve are both provided with inner teeth 11 and outer teeth 10 for limiting, the main shaft sliding sleeve is mainly used for speed change adjustment on a main shaft of a transmission, and the main shaft sliding sleeve needs to be continuously driven to change positions in a normal use process to achieve an effect of adjusting speed.
As can be seen from fig. 1, the inside and outside of the reverse sliding sleeve are both provided with teeth, which undoubtedly causes great trouble to the processing of the spindle sleeve changing, the conventional reverse sliding sleeve is completed through the steps of smelting, casting, rough machining, fine machining and the like, because the roughness avoided after the casting production is completed is very large, the rough machining needs to be performed on the surface of the cast part, and then the fine machining is performed to finally obtain the sliding sleeve with a certain roughness on the surface, and conventionally, in order to improve the production efficiency of the reverse sliding sleeve, the manufacturing of the reverse sliding sleeve is realized through a cold extrusion net forming technology, the roughness of the surface of the blank produced in this way is lower, and the expected effect can be achieved only by polishing the surface.
In the process of machining the inner teeth of the reverse gear sliding sleeve, the outer wall of the reverse gear sliding sleeve is also provided with the teeth, so that the clamping operation of the reverse gear sliding sleeve is greatly influenced, if a conventional clamping device is adopted, when the sliding sleeve is clamped, firstly, clamping marks are left on two side walls of the sliding sleeve due to large clamping force, more time is needed for treating the clamping marks, and the production efficiency of the sliding sleeve is reduced; secondly, inconvenient fine working operation is realized to the internal tooth of sliding sleeve, need carry out the fine working operation that a sliding sleeve just can be accomplished to centre gripping many times, has reduced the production efficiency of sliding sleeve.
SUMMERY OF THE UTILITY MODEL
The utility model provides a reverse gear sliding sleeve internal tooth processing anchor clamps to solve the not enough of above-mentioned prior art, conveniently realize the centre gripping operation of sliding sleeve, easy operation, the centre gripping is stable, can not produce the double-layered trace to the sliding sleeve during centre gripping, can ensure the sliding sleeve centre of a circle after the centre gripping simultaneously placed in the middle, thereby improve processingequipment's machining precision, improve the production efficiency of sliding sleeve, have stronger practicality.
In order to realize the purpose of the utility model, the following technologies are adopted:
a fixture for machining the inner teeth of a reverse gear sliding sleeve comprises a lower support body, wherein the lower support body is provided with a plurality of clamping mechanisms;
the clamping mechanism is used for driving the clamping piece to clamp the outer teeth of the sliding sleeve;
the number of the clamping pieces is two pairs, and the clamping pieces are circumferentially assembled on the clamping mechanism in an array manner;
the lower supporter includes the hypoplastron, and the hypoplastron upwards extends the installation and is fixed with the carriage, and the carriage upper end installation is fixed with the upper plate.
Furthermore, the clamping mechanism comprises a base which is fixedly arranged at one end of the upper surface of the upper plate, a cross assembly part is fixedly arranged on the base, the cross assembly part comprises a disc positioned at the central position, support parts which are formed on the outer wall of the disc in a circumferential array mode, guide grooves are formed in the support parts from the end surfaces inwards, the other ends of the guide grooves are positioned on the disc, the guide grooves are not communicated, the inner sides of the guide grooves are open, square holes are formed in the bottom surfaces of the guide grooves in an outward penetrating mode, four pairs of rotating seats are fixedly arranged on the outer wall of the cross assembly part in a circumferential array mode, and the rotating seats are positioned at two ends of;
the circle center connecting lines of the four rotating seats are the same straight line;
the circle centers of the other four rotating seats are connected in the same straight line;
the heights of the four rotating seats positioned on the same straight line are higher than those of the other four rotating seats positioned on the same straight line;
the rotating seat on the same straight line is provided with a screw rod, one end of the screw rod is a positive thread, the other end of the screw rod is a negative thread, and the middle position of the screw rod is provided with a turntable.
Furthermore, the holder includes all revolves in the assembly plate four of screw rod, and the assembly plate medial extremity all installs and is fixed with the motion piece, and the motion piece all assembles in the guide slot, and the motion piece other end all installs and is fixed with the centre gripping piece, and centre gripping piece inner wall all takes shape there is the lug.
Furthermore, the clamping pieces are of arc structures, and the inner walls of the clamping pieces are provided with soft anti-slip layers.
Furthermore, the convex block is in a trapezoidal structure.
The technical scheme has the advantages that:
1. and the clamping mechanism is used for driving the clamping piece to clamp the outer teeth of the sliding sleeve. The clamping mechanism consists of a cross assembly part, a disc, a support part, a rotating seat, screws and a turntable, wherein every two screws are vertically assembled on the rotating seat, so as to avoid mutual influence in the rotating process of the screws, the height of the rotary seat on the same screw is always higher than that of the rotary seat on the other screw, meanwhile, in order to center the center of the clamped sliding sleeve, the two ends of the screw rod are provided with a positive thread and a negative thread, so that the clamping force in the same direction is ensured to be the same, wherein, in order to realize the stable clamping of the sliding sleeve, an arc-shaped clamping sheet is arranged, and simultaneously, a corresponding soft anti-skid layer is arranged on the inner wall of the clamping sheet, thereby avoiding the outer teeth of the sliding sleeve from generating clamping marks, meanwhile, in order to further improve the clamping effect, in the clamping process, the clamping stability of the sliding sleeve is further improved through the trapezoidal convex blocks;
2. the utility model discloses conveniently realize the centre gripping operation of sliding sleeve, easy operation, the centre gripping is stable, can not produce the double-layered trace to the sliding sleeve during centre gripping, can ensure the sliding sleeve centre of a circle after the centre gripping simultaneously between two parties to improve processingequipment's machining precision, improve the production efficiency of sliding sleeve, have stronger practicality.
Drawings
Fig. 1 shows a three-dimensional structure diagram of the reverse gear sliding sleeve.
Fig. 2 shows a first perspective view of the present invention.
Fig. 3 shows a second three-dimensional structure of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, the present invention will be described in further detail with reference to the accompanying drawings.
As shown in fig. 1-3, a fixture for machining the internal teeth of a reverse gear sliding sleeve comprises a lower support body 2, wherein the lower support body 2 is provided with a clamping mechanism 3, and the clamping mechanism 3 is provided with a plurality of clamping pieces 4.
The clamping mechanism 3 is used for driving the clamping piece 4 to clamp the outer teeth of the sliding sleeve.
The number of the gripping members 4 is two pairs and the gripping members are fitted to the gripping mechanism 3 in a circumferential array.
The lower support body 2 includes a lower plate 20, a support frame 21 is mounted and fixed on the lower plate 20 in an upward extending manner, and an upper plate 22 is mounted and fixed on the upper end of the support frame 21.
The clamping mechanism 3 comprises a base 30 fixed on one end of the upper surface of the upper plate 22, a cross assembly part 31 is fixed on the base 30, the cross assembly part 31 comprises a disk 32 positioned at the central position, support parts 33 formed on the outer wall of the disk 32 in a circumferential array, guide grooves 34 are formed on the support parts 33 from the end surfaces inwards, the other ends of the guide grooves 34 are positioned on the disk 32, the guide grooves 34 are not communicated, the inner sides of the guide grooves 34 are opened, square holes 35 are formed in the bottom surfaces of the guide grooves 34 in an outward penetrating manner, four pairs of rotating seats 36 are fixed on the outer wall of the cross assembly part 31 in a circumferential array, the rotating seats 36 are positioned at the two ends of each guide groove 34, wherein the connecting lines of the centers of the four rotating seats 36 are the same straight line, the connecting lines of the centers of the other four rotating seats 36 are the same straight line, and the heights of the four rotating seats 36 positioned on the same straight line are higher than, the rotating seats 36 on the same straight line are all provided with screw rods 37, one ends of the screw rods 37 are positive threads, the other ends of the screw rods 37 are negative threads, and the middle positions of the screw rods 37 are all provided with turntables 39.
The clamping piece 4 comprises four assembling plates 40 which are screwed on the screw rod 37, moving blocks 41 are installed and fixed at the inner side ends of the assembling plates 40, the moving blocks 41 are all assembled in the guide grooves 34, clamping pieces 42 are installed and fixed at the other ends of the moving blocks 41, and convex blocks 43 are formed on the inner walls of the clamping pieces 42. The holding piece 42 is of an arc structure, and the inner wall thereof is provided with a soft anti-slip layer. The bump 43 has a trapezoidal structure.
Specifically, the embodiments are as follows:
firstly, the sliding sleeve 1 is placed between the four clamping pieces 42;
then, the rotation of one screw rod 37 is realized through the rotating disc 39 on the screw rod 37, so that the pair of clamping pieces 42 start to move towards the sliding sleeve 1 oppositely until the convex blocks 43 on the two clamping pieces 42 are embedded between the external teeth of the sliding sleeve 1, generally, for the convenience of operation, the vertically installed screw rod 37 is firstly rotated during clamping;
finally, the horizontally arranged screw 37 is rotated as described above until the sliding sleeve 1 is held stably.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and it is obvious that those skilled in the art can make various changes and modifications to the present invention without departing from the spirit and scope of the present invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims and their equivalents, the present invention is also intended to include such modifications and variations.
Claims (5)
1. The fixture for machining the inner teeth of the reverse gear sliding sleeve is characterized by comprising a lower support body (2), wherein the lower support body (2) is provided with a clamping mechanism (3), and a plurality of clamping pieces (4) are assembled on the clamping mechanism (3);
the clamping mechanism (3) is used for driving the clamping piece (4) to clamp the outer teeth of the sliding sleeve;
the number of the clamping pieces (4) is two, and the clamping pieces are circumferentially assembled on the clamping mechanism (3) in an array manner;
the lower support body (2) comprises a lower plate (20), a support frame (21) is installed and fixed on the lower plate (20) in an upward extending mode, and an upper plate (22) is installed and fixed at the upper end of the support frame (21).
2. The fixture for machining the internal teeth of the reverse gear sliding sleeve according to claim 1, wherein the clamping mechanism (3) comprises a base (30) fixedly arranged at one end of the upper surface of the upper plate (22), a cross assembly member (31) is fixedly arranged on the base (30), the cross assembly member (31) comprises a disk (32) positioned at a central position, support members (33) are formed on the outer wall of the disk (32) in a circumferential array, guide grooves (34) are formed in the support members (33) from the end surface inwards, the other ends of the guide grooves (34) are positioned on the disk (32), the guide grooves (34) are not communicated, the inner sides of the guide grooves (34) are all provided with openings, the bottom surfaces of the guide grooves (34) are all provided with square holes (35) in an outward penetrating manner, four pairs of rotating seats (36) are fixedly arranged on the outer wall of the cross assembly part (31) in a circumferential array manner, and the rotating seats (36) are all positioned at two ends of each guide groove (34);
wherein, the circle center connecting lines of the four rotating seats (36) are the same straight line;
the circle center connecting lines of the other four rotating seats (36) are the same straight line;
the heights of the four rotating seats (36) positioned on the same straight line are higher than the heights of the other four rotating seats (36) positioned on the same straight line;
the rotating seat (36) on the same straight line is provided with a screw (37), one end of the screw (37) is provided with a positive thread, the other end of the screw is provided with a negative thread, and the middle position of the screw (37) is provided with a turntable (39).
3. The clamp for machining the internal teeth of the reverse gear sliding sleeve according to claim 2, wherein the clamping piece (4) comprises four assembling plates (40) which are screwed on the screw rod (37), the moving blocks (41) are installed and fixed at the inner side ends of the assembling plates (40), the moving blocks (41) are all assembled in the guide grooves (34), the clamping pieces (42) are installed and fixed at the other ends of the moving blocks (41), and the convex blocks (43) are formed on the inner walls of the clamping pieces (42).
4. The fixture for machining the internal teeth of the reverse gear sliding sleeve according to claim 3, wherein the clamping piece (42) is of an arc-shaped structure, and a soft anti-slip layer is arranged on the inner wall of the clamping piece.
5. The jig for machining the internal teeth of the reverse gear sliding sleeve according to claim 3, wherein the projection (43) has a trapezoidal structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921399075.6U CN210280947U (en) | 2019-08-27 | 2019-08-27 | Clamp for machining inner teeth of reverse gear sliding sleeve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921399075.6U CN210280947U (en) | 2019-08-27 | 2019-08-27 | Clamp for machining inner teeth of reverse gear sliding sleeve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210280947U true CN210280947U (en) | 2020-04-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921399075.6U Expired - Fee Related CN210280947U (en) | 2019-08-27 | 2019-08-27 | Clamp for machining inner teeth of reverse gear sliding sleeve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210280947U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111846117A (en) * | 2020-07-21 | 2020-10-30 | 哈尔滨理工大学 | Autonomous recovery device and recovery method for unmanned surface vehicle |
-
2019
- 2019-08-27 CN CN201921399075.6U patent/CN210280947U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111846117A (en) * | 2020-07-21 | 2020-10-30 | 哈尔滨理工大学 | Autonomous recovery device and recovery method for unmanned surface vehicle |
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| 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: 20200410 |