CN214186844U - Machining clamp for small-radian bearing bush - Google Patents
Machining clamp for small-radian bearing bush Download PDFInfo
- Publication number
- CN214186844U CN214186844U CN202022647607.2U CN202022647607U CN214186844U CN 214186844 U CN214186844 U CN 214186844U CN 202022647607 U CN202022647607 U CN 202022647607U CN 214186844 U CN214186844 U CN 214186844U
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- arc
- arc surface
- plate
- bearing bush
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Abstract
本实用新型提供了一种小弧度轴瓦的加工夹具，属于机械加工领域。它包括顶部设有圆弧面的放置机座，所述的放置机座两个侧面上各设有一条凹槽，每条凹槽上滑动连接有两个调位块，所述的凹槽上的两个调位块与另一凹槽上的两个调位块一一对应，每个调位块连接有位于圆弧面上侧的压板，所述的压板通过升降机构与对应的调位块相连，在升降机构带动下使压板靠近或远离圆弧面，对应的两个压板靠近圆弧面端部的端面之间连接有抵板。其优点在于够根据圆弧轴瓦的长度调整压板以及抵板的位置，压板压紧圆弧轴瓦顶面，抵板压紧圆弧轴瓦两端端面，能够防止圆弧轴瓦在加工中发生移动。
The utility model provides a processing fixture for a small-radian bearing bush, which belongs to the field of mechanical processing. It includes a placing base with a circular arc surface on the top, a groove is provided on each of the two sides of the placing base, and two positioning blocks are slidably connected to each groove. The two position adjustment blocks of the machine are in one-to-one correspondence with the two position adjustment blocks on the other groove, and each position adjustment block is connected with a pressure plate located on the upper side of the arc surface, and the pressure plate is connected to the corresponding position adjustment block through the lifting mechanism. The blocks are connected together, and the pressing plate is moved close to or away from the arc surface under the driving of the lifting mechanism, and abutting plate is connected between the end faces of the corresponding two pressing plates close to the end of the arc surface. The advantage is that the position of the pressing plate and the contact plate can be adjusted according to the length of the arc bearing bush, the pressing plate presses the top surface of the arc bearing pad, and the abutting plate presses the end faces of the two ends of the arc bearing pad, which can prevent the arc bearing pad from moving during processing.
Description
Technical Field
The utility model belongs to the machining field especially relates to a add clamping apparatus of minor arc degree axle bush.
Background
The bush is the contact part of the sliding bearing and the rotating shaft, is very smooth, when the sliding bearing works, a layer of thin oil film is arranged between the bush and the rotating shaft for lubricating, and the bush is generally made of wear-resistant materials such as bronze, antifriction alloy and the like, is also called as a bush and is in the shape of a bush-shaped semi-cylindrical surface. In the prior art, when a bearing bush is clamped, the bearing bush is only clamped from the top surface of the bearing bush and is easy to move in the machining process;
in addition, the shape of axle bush is circular-arc cylinder, and its radian is two semicircle arcs mostly, but according to the demand under the different situation, the cylinder radian also can be less than the semicircle arc. The existing clamp is only suitable for a bearing bush with a medium length, and the pressing position cannot be adjusted according to the length of the bearing bush.
For example, chinese patent document discloses a bearing bush machining jig [ patent application No.: CN201821656516.1], which comprises a clamp body, wherein the middle position of the top surface of the clamp body is provided with a punching groove; at least one side of the punching groove is provided with a pressing strip; the clamp body is also provided with a positioning structure; the positioning structure also comprises a positioning slide block and a guide slide block; the positioning slide block is connected to the top surface of the clamp body in a sliding manner; the guide sliding block is connected to the side face of the clamp body in a sliding mode. But the utility model discloses in only follow the top surface clamp bush of axle bush, easily remove in the course of working.
Disclosure of Invention
The utility model aims at the above-mentioned problem, a add clamping apparatus of low radian axle bush is provided.
In order to achieve the above purpose, the utility model adopts the following technical proposal:
the utility model provides a add clamping apparatus of miniradian axle bush, includes that the top is equipped with the frame of placing of arc surface, place and respectively be equipped with a recess on two sides of frame, sliding connection has two transposition pieces on every recess, two transposition pieces on the recess and two transposition piece one-to-ones on another recess, every transposition piece is connected with the clamp plate that is located the arc surface upside, the clamp plate pass through elevating system and the transposition piece that corresponds link to each other, make the clamp plate be close to or keep away from the arc surface under elevating system drives, be connected with between the terminal surface that two clamp plates that correspond are close to the arc surface tip and support the board.
In the machining fixture for the bearing bush with the small radian, the lifting mechanism comprises a first screw rod which penetrates through the corresponding position adjusting block and is in threaded connection with the position adjusting block, one end of the first screw rod is rotatably connected with a connecting block, the end part of the connecting block, which is far away from the first screw rod, extends to the upper side of the arc surface, and the end part is connected with the corresponding pressing plate.
In the machining clamp for the small-radian bearing bush, the lower end surface of the pressing plate, the groove and the lower end surface of the abutting plate are all in an arc shape, a circle center line is overlapped with a circle center line of the arc surface, and a center line of each first screw rod points to the circle center line and is perpendicular to the circle center line.
In the machining clamp for the bearing bush with the small radian, each connecting block is connected with the corresponding side face of the placing base in an abutting mode, and the end, far away from the connecting blocks, of the first screw rod is provided with the first rotary table.
In the machining clamp for the bearing bush with the small radian, the connecting block is provided with a lifting sliding groove which penetrates through the connecting block upwards, two ends of the abutting plate respectively extend to the corresponding lifting sliding grooves and are in sliding connection with the corresponding lifting sliding grooves, and the lifting sliding grooves are arranged in I-shaped grooves.
In the machining clamp for the bearing bush with the small radian, the end surface, close to the arc surface, of the pressing plate is abutted against and slidably connected with the corresponding abutting plate.
In the machining clamp for the bearing bush with the small radian, the cross section of the groove is in an I-shaped groove, and the joint between the adjacent inner walls of the groove is in an arc surface shape.
In the machining clamp for the bearing bush with the small radian, the bottom surface of the pressing plate and the end surface of the abutting plate, which is far away from the arc surface, are covered with a layer of rubber layer.
In the machining clamp for the bearing bush with the small radian, two sides of the middle part of the arc surface are respectively abutted and are connected with the side clamping plates in a sliding mode, one end, far away from the arc surface, of each side clamping plate extends out of the arc surface along the horizontal direction, the end part of each side clamping plate is fixedly provided with the lower placing block, the lower placing block is connected with the second screw rod in a rotating mode, and the second screw rod extends into the placing base and is in threaded connection with the second screw rod.
In the machining clamp for the bearing bush with the small radian, the end face of the side clamping plate extending into the arc surface is provided with a rubber layer, the end part of the second screw rod far away from the placing base is provided with a second rotary table, and the lower placing block is internally provided with a guide rod which is penetrated and fixedly connected with the placing base in a sliding manner.
Compared with the prior art, the utility model has the advantages of:
1. the utility model provides a clamp plate passes through elevating system and links to each other with the positioning piece that corresponds, and two clamp plates that correspond are close to and are connected with between the terminal surface of arc surface tip and support the board. The positions of the pressing plate and the abutting plate can be adjusted according to the length of the arc bearing bush, the pressing plate presses the top surface of the arc bearing bush, the abutting plate presses the end faces of two ends of the arc bearing bush, and the arc bearing bush can be prevented from moving in machining.
2. The utility model provides a recess and the lower terminal surface that supports the board all are circular-arc setting and the centre of a circle line overlap of center of circle line and arc surface, no matter the clamp plate with support the board and be in which position, the lower terminal surface homoenergetic of clamp plate and the lower terminal surface homoenergetic that supports the board laminates mutually with the circular arc axle bush.
Drawings
Fig. 1 is an overall schematic view of the present invention;
FIG. 2 is a schematic cross-sectional view A-A of FIG. 1;
FIG. 3 is a schematic cross-sectional view of B-B of FIG. 1;
FIG. 4 is a top view of the connection of the retainer plate and the connecting block of FIG. 3;
fig. 5 is a schematic cross-sectional view of C-C in fig. 1.
In the figure: the device comprises an arc surface 10, a placing base 11, a groove 12, a positioning block 13, a pressing plate 14, a lifting mechanism 15, a pressing plate 16, a first screw rod 17, a connecting block 18, a first rotary disc 19, a lifting sliding groove 20, a side clamping plate 21, a lower placing block 22, a second screw rod 23, a second rotary disc 24 and a guide rod 25.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
Referring to fig. 1-5, a machining fixture for a bearing bush with a small radian comprises a placing base 11 with an arc surface 10 at the top, two side surfaces of the placing base 11 are respectively provided with a groove 12, each groove 12 is connected with two positioning blocks 13 in a sliding manner, the two positioning blocks 13 on each groove 12 are in one-to-one correspondence with the two positioning blocks 13 on the other groove 12, each positioning block 13 is connected with a pressing plate 14 positioned on the upper side of the arc surface 10, the pressing plate 14 is connected with the corresponding positioning block 13 through a lifting mechanism 15, the pressing plate 14 is driven by the lifting mechanism 15 to be close to or away from the arc surface 10, and a resisting plate 16 is connected between the end surfaces of the two corresponding pressing plates 14 close to the end parts of the arc surface 10.
The utility model discloses in, to treat the radian axle bush of processing and place on the arc surface 10 of placing frame 11, slide positioning block 13 in recess 12 to corresponding position and make clamp plate 14 correspond the tip of radian axle bush respectively. Then the pressing plate 14 moves towards the direction close to the arc surface 10 through the lifting mechanism 15, so that the end part corresponding to the radian bearing bush is pressed, and the two abutting plates 16 abut against the two end surfaces of the radian bearing bush respectively, so that the radian bearing bush is not only pressed, but also unqualified radian bearing bush caused by the fact that the radian bearing bush moves back and forth in the machining process is prevented.
The lifting mechanism 15 comprises a first screw rod 17 penetrating through the corresponding position adjusting block 13 and screwed with the position adjusting block 13, one end of the first screw rod 17 is rotatably connected with a connecting block 18, the end part of the connecting block 18 far away from the first screw rod 17 extends to the upper side of the arc surface 10, and the end part is connected with the corresponding pressing plate 14.
The utility model discloses in, at the in-process that makes clamp plate 14 be close to circular arc surface 10, through rotating first screw rod 17, because first screw rod 17 and the 13 spiro unions of transposition piece to make clamp plate 14 on first screw rod 17 area connecting block 18 and the connecting block 18 move near circular arc surface 10, finally make clamp plate 14 compress tightly the circular arc axle bush.
The lower end surface of the pressing plate 14, the lower end surface of the groove 12 and the lower end surface of the abutting plate 16 are all arc-shaped, the circle center line is overlapped with the circle center line of the arc surface 10, and the central line of each first screw 17 points to the circle center line and is perpendicular to the circle center line.
The utility model discloses in, when according to circular arc axle bush length adjustment clamp plate 14 and support 16's position, no matter which position clamp plate 14 and support 16 are in, the lower terminal surface of clamp plate 14 and the lower terminal surface homoenergetic that supports 16 can laminate mutually with the circular arc axle bush, the whole face of the lower terminal surface of clamp plate 14 and the lower terminal surface that supports 16 can both offset with the circular arc axle bush, can prevent to crush the circular arc axle bush and can compress tightly the circular arc axle bush.
Each connecting block 18 is connected with the corresponding side surface of the placing base 11 in an abutting mode, and a first rotating disc 19 is arranged at the end, far away from the connecting block 18, of the first screw 17.
The utility model discloses in, connecting block 18 offsets with the side of placing frame 11 that corresponds, consequently rotates the in-process that drives connecting block 18 and remove at first screw rod 17, and connecting block 18 can not take place rotatoryly, only can paste the side of placing frame 11 and reciprocate, and when rotating first screw rod 17, with the hand rotate first carousel 19 can.
The connecting block 18 is provided with a lifting chute 20 which upwards penetrates through the connecting block 18, two ends of the abutting plate 16 respectively extend to the corresponding lifting chute 20 and are in sliding connection with the corresponding lifting chute 20, and the lifting chute 20 is arranged in an I-shaped groove.
The utility model discloses in, when according to circular arc axle bush length adjustment clamp plate 14 and support 16's position, connecting block 18 takes to support 16 removal of board, nevertheless when clamp plate 14 presses on circular arc axle bush top surface, needs connecting block 18 to take clamp plate 14 to move down, consequently connecting block 18 comes to be connected with supporting 16 through the lift spout 20 that is the I-shaped groove, reciprocates the in-process at connecting block 18, can not influence to support 16 on the terminal surface at the circular arc axle bush.
The end surfaces of the pressing plates 14 close to the arc surfaces 10 are abutted and slidably connected with the corresponding abutting plates 16.
The utility model discloses in, when compressing tightly the circular arc axle bush, clamp plate 14 and support 16 form L shape and compress tightly the circular arc axle bush.
The cross section of the groove 12 is in an I-shaped groove, and the joint between the adjacent inner walls of the groove 12 is in an arc surface shape.
The utility model discloses in, because recess 12 is circular-arc setting, consequently, the junction between the adjacent inner wall of recess 12 is the cambered surface and can reduces positioning block 13 and produce the card pause or cause great frictional force at the removal in-process.
The bottom surface of the pressing plate 14 and the end surface of the resisting plate 16 far away from the arc surface 10 are covered with a layer of rubber layer.
The utility model discloses in, the rubber layer can prevent crowded bad wearing and tearing circular arc axle bush, can also increase and the circular arc friction between the axle bush, increases the effect that compresses tightly.
The two sides of the middle part of the arc surface 10 are respectively abutted and slidably connected with side clamping plates 21, one end, far away from the arc surface 10, of each side clamping plate 21 extends out of the arc surface 10 along the horizontal direction, a lower block 22 is fixedly arranged at the end part of the arc surface 10, a second screw 23 is rotatably connected in the lower block 22, and the second screw 23 extends into the placing base 11 and is in threaded connection with the second screw.
The utility model discloses in, after clamp plate 14 and support 16 compress tightly the circular arc axle bush, for further tight circular arc axle bush of clamp and prevent that circular arc axle bush side from moving, consequently rotate second screw rod 23, thereby make two side splint 21 towards the side of the tight circular arc axle bush of clamp of center department removal of arc surface 10.
The end face of the side clamping plate 21 extending into the arc surface 10 is provided with a rubber layer, the end part of the second screw 23 far away from the placing base 11 is provided with a second rotary table 24, and a guide rod 25 fixedly connected with the placing base 11 is arranged in the lower placing block 22 in a penetrating mode in a sliding mode.
The utility model discloses in, the rubber layer can prevent crowded bad wearing and tearing circular arc axle bush, can also increase and the circular arc friction between the axle bush, increases the effect that compresses tightly. In addition, the second screw 23 is rotated by rotating the second rotary disk 24. Further, the guide rod 25 can prevent the side clamp 21 from rotating.
The utility model discloses a theory of operation: the radian bearing bush to be processed is placed on the arc surface 10 of the placing base 11, and the positioning block 13 slides in the groove 12 to the corresponding position, so that the two abutting plates 16 are positioned at two ends of the radian bearing bush and abut against the end surface of the radian bearing bush. Then, the first screw 17 is rotated to move the pressing plate 14 downward to approach the arc surface 10, and finally the pressing plate 14 is pressed against the top surface of the arc bearing bush. Then, the second screw 23 is moved to move the two side clamping plates 21 toward the center of the arc surface 10, thereby clamping the side surfaces of the arc bush. Thereby fixing the arc bearing bush from up, down, left, right, front and back directions.
The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.
Although the arc surface 10, the placing base 11, the groove 12, the positioning block 13, the pressing plate 14, the lifting mechanism 15, the abutting plate 16, the first screw 17, the connecting block 18, the first rotating disc 19, the lifting chute 20, the side clamping plate 21, the lower block 22, the second screw 23, the second rotating disc 24, the guide rod 25, etc. are used more frequently herein, these terms are used only for the convenience of describing and explaining the essence of the present invention; they are to be construed in a manner that is inconsistent with the spirit of the invention.
Claims (10)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022647607.2U CN214186844U (en) | 2020-11-16 | 2020-11-16 | Machining clamp for small-radian bearing bush |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022647607.2U CN214186844U (en) | 2020-11-16 | 2020-11-16 | Machining clamp for small-radian bearing bush |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214186844U true CN214186844U (en) | 2021-09-14 |
Family
ID=77646291
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022647607.2U Expired - Fee Related CN214186844U (en) | 2020-11-16 | 2020-11-16 | Machining clamp for small-radian bearing bush |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214186844U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115922813A (en) * | 2022-12-04 | 2023-04-07 | 航天材料及工艺研究所 | An auxiliary device for processing profiling high silicon oxide/phenolic metal rings |
-
2020
- 2020-11-16 CN CN202022647607.2U patent/CN214186844U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115922813A (en) * | 2022-12-04 | 2023-04-07 | 航天材料及工艺研究所 | An auxiliary device for processing profiling high silicon oxide/phenolic metal rings |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20211025 Address after: 311800 niugao community, Diankou Town, Zhuji City, Shaoxing City, Zhejiang Province (niugao) Patentee after: ZHUJI WEIYA MACHINERY Co.,Ltd. Address before: 311800 No. 38, laoyingwan, niugao village, Diankou Town, Zhuji City, Shaoxing City, Zhejiang Province Patentee before: Wang Tianxiang |
|
| TR01 | Transfer of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210914 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |