CN112706104A - Device and method for assembling bush by fitter - Google Patents
Device and method for assembling bush by fitter Download PDFInfo
- Publication number
- CN112706104A CN112706104A CN202011316613.8A CN202011316613A CN112706104A CN 112706104 A CN112706104 A CN 112706104A CN 202011316613 A CN202011316613 A CN 202011316613A CN 112706104 A CN112706104 A CN 112706104A
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- Prior art keywords
- bush
- bushing
- ball
- section
- base
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B11/00—Work holders not covered by any preceding group in the subclass, e.g. magnetic work holders, vacuum work holders
- B25B11/02—Assembly jigs
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B27/00—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for
- B25B27/02—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for for connecting objects by press fit or detaching same
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Automatic Assembly (AREA)
Abstract
The invention belongs to the field of mechanical manufacturing fitter assembly, and relates to a device and a method for assembling a bush by a fitter. The device includes: the clamping device comprises a base, two sliding V-shaped blocks, two adjusting screws, a support frame, a guide sleeve and a pressure rod, wherein two bosses are oppositely arranged on the upper surface of the base; the pressure lever comprises a bush mounting section and a guide section, the outer diameter of the bush mounting section is smaller than the outer diameter of the guide section, the outer diameter of the bush mounting section is smaller than the inner diameter of the bush by a preset distance, the outer diameter of the guide section is smaller than the inner diameter of the guide sleeve by a preset distance, mounting holes are uniformly distributed in the circumferential direction of the outer sides of the bush mounting section and the guide section, an elastic component and balls are arranged in the mounting holes, punching points are arranged in the mounting holes, the bush is connected with the bush mounting section through the balls, and the guide. The device can realize automatic centering.
Description
Technical Field
The invention belongs to the field of mechanical manufacturing fitter assembly, and particularly relates to a device and a method for assembling a bush by a fitter.
Background
The use of bushings can reduce wear, vibration and noise of the equipment. With the development of the mechanical manufacturing industry, the bushing is widely applied to the fields of aerospace, ship engineering, automobile manufacturing and the like. When the bench worker assembles the bush, the matching precision requirement of the used pressing sleeve tool and the bush is higher. If the interference fit interference magnitude of the pressure lever and the bushing is large, the bushing is easy to be brought out to cause assembly out-of-tolerance and even scratch the surface of the bushing when the pressure lever exits the bushing after press fitting; if the clearance fit between the pressure rod and the bushing is large, the bushing and the tool generate deflection, and the bushing is easy to deflect during assembly, so that parts are scrapped. At present, when a fitter assembles the bush, a plurality of auxiliary tools are needed, and sometimes, other people are needed to assist in aligning and matching, so that the operation is troublesome. The assembly bushing device is simple in structure, convenient to operate and low in manufacturing cost.
Disclosure of Invention
The purpose of the invention is as follows: the device and the method for assembling the bush by the fitter through single-person independent operation have the functions of automatically centering and clamping parts.
The technical scheme is as follows:
in a first aspect, there is provided an apparatus for fitters of bushings, comprising: the clamping device comprises a base, a first sliding V-shaped block, a first adjusting screw rod, a second sliding V-shaped block, a second adjusting screw rod, a support frame, a guide sleeve and a pressure rod, wherein two bosses are oppositely arranged on the upper surface of the base; the uide bushing sets up and puts at support frame top central point, the depression bar includes bush installation section and direction section, bush installation section external diameter is less than the direction section external diameter, bush installation section external diameter is less than the little predetermined distance of bush internal diameter, direction section external diameter is less than the little predetermined distance of uide bushing internal diameter, bush installation section and direction section outside circumference equipartition have the mounting hole, set up elastomeric element and ball in the mounting hole, the mounting hole is provided with towards the point and is used for sealing the ball, the bush passes through the ball and is connected with the bush installation section, the direction section passes through the ball and is connected with the uide bushing.
Furthermore, a weight reduction groove is formed in the base.
Furthermore, the support frame is four L type bracing pieces, and wherein four L type bracing piece one end evenly set up four angles and other end fixed connection uide bushing at the base.
Further, the mounting holes are evenly distributed along the circumferential direction at intervals of 120 degrees.
Further, the elastic member is a spring and the spring has a predetermined amount of compression.
Further, the predetermined distance is less than the ball radius.
In a second aspect, there is provided a method of fitter assembly of a liner, the method being performed by means of the apparatus described above, the method comprising:
lifting the pressure lever, mounting the bushing at the top end of the pressure lever, and supporting the bushing by a spring and a ball;
clamping a part, and adjusting the relative position of the part and the bush by adjusting the V-shaped slide block;
after the part is concentric with the bushing, the bushing is press-fitted.
Further, the method further comprises:
in the case of the need to continue to install the same parts, only one V-shaped slide is loosened while the other V-shaped slide is kept out of the understanding, and the parts are disassembled to avoid correction in the next installation.
Has the advantages that: the invention has simple structure, convenient operation and low manufacturing cost, can be used for assembling the lining by a single person for a fitter, and has the functions of automatically centering and clamping parts.
Drawings
FIG. 1 is a block diagram of an apparatus for fitters of bushings in accordance with an embodiment of the present invention;
fig. 2 is a view illustrating a structure of a compression bar of the apparatus for fitter assembly of a bush according to an embodiment of the present invention.
Wherein: the device comprises a base 1, a sliding V-shaped block 2, an adjusting screw rod 3, a supporting rod 4, a guide sleeve 5, a pressure rod 6, a spring 7 and a ball 8.
Detailed Description
In order to solve the above problems, the present invention provides an apparatus for fitters to assemble a bush, comprising: the clamping device comprises a base, a first sliding V-shaped block, a first adjusting screw rod, a second sliding V-shaped block, a second adjusting screw rod, a support frame, a guide sleeve and a pressure rod, wherein two bosses are oppositely arranged on the upper surface of the base; the uide bushing sets up and puts at support frame top central point, the depression bar includes bush installation section and direction section, bush installation section external diameter is less than the direction section external diameter, bush installation section external diameter is less than the little predetermined distance of bush internal diameter, direction section external diameter is less than the little predetermined distance of uide bushing internal diameter, bush installation section and direction section outside circumference equipartition have the mounting hole, set up elastomeric element and ball in the mounting hole, the mounting hole is provided with towards the point and is used for sealing the ball, the bush passes through the ball and is connected with the bush installation section, the direction section passes through the ball and is connected with the uide bushing.
Furthermore, a weight reduction groove is formed in the base.
Furthermore, the support frame is four L type bracing pieces, and wherein four L type bracing piece one end evenly set up four angles and other end fixed connection uide bushing at the base. Ensuring support stability while still allowing sufficient space for handling.
Further, the mounting holes are evenly distributed along the circumferential direction at intervals of 120 degrees. The arrangement is stable, provided that it ensures a minimum simplification of the construction.
Further, the elastic member is a spring and the spring has a predetermined amount of compression. Rely on the spring to provide the pretightning force, convenient dismantlement.
Further, the predetermined distance is less than the ball radius. Thereby providing pre-tightening force and ensuring flexible movement of the steel ball.
In a second aspect, there is provided a method of fitter assembly of a liner, the method being performed by means of the apparatus described above, the method comprising: lifting the pressure lever, mounting the bushing at the top end of the pressure lever, and supporting the bushing by a spring and a ball; clamping a part, and adjusting the relative position of the part and the bush by adjusting the V-shaped slide block; after the part is concentric with the bushing, the bushing is press-fitted.
Further, the method further comprises: in the case of the need to continue to install the same parts, only one V-shaped slide is loosened while the other V-shaped slide is kept out of the understanding, and the parts are disassembled to avoid correction in the next installation.
Example (b):
the device for assembling the bush by a fitter comprises a base 1, two sliding V-shaped blocks 2, two adjusting screw rods 3, four supporting rods 4, a guide sleeve 5, a pressure rod 6, nine springs 7 and nine rolling balls 8, wherein the two adjusting screw rods 3 are respectively connected with the sliding V-shaped blocks 2, the four supporting rods 4 are symmetrically distributed and connected with the base 1 and the guide sleeve 5, the springs 7 and the rolling balls 8 are arranged on the pressure rod 6, and the pressure rod 6 is slidably arranged in the guide sleeve 5, as shown in figures 1 and 2. The base 1 is provided with a weight reduction groove. The adjusting screw rod 3 is connected with the V-shaped sliding block 2, and the distance between the two V-shaped sliding blocks can be adjusted on the base 1. The positions of the compression bar 6, which are matched with the guide sleeve 5, are uniformly provided with mounting holes for springs 7 at an angle of 120 degrees on two sections. The top end of the pressure lever 6 is uniformly provided with spring 7 mounting holes at a position which is matched with the bush to be assembled by 120 degrees. The spring 7 is arranged in the mounting hole of the pressure lever 6, the top of the spring is pressed by the ball 8, and the pressing amount of the spring 7 is 1N-2N. The mounting hole is punched with a punching point to seal the ball 8. The pressure lever 6 slides vertically with the guide sleeve 5.
The working principle is as follows:
the two adjusting screw rods are respectively connected with the sliding V-shaped iron, the four supporting rods are symmetrically distributed and connected with the fixed base and the guide sleeve, spring mounting holes are uniformly formed in the matching part of the pressing rod and the guide sleeve and the matching part of the pressing rod and the bushing in an angle of 120 degrees, the spring and the ball are mounted in the mounting holes in the pressing rod, and the pressing rod is mounted in the guide sleeve and can vertically slide. The distance between the two sliding V-shaped irons can be adjusted according to the overall dimension specification of the part to be assembled, the part is clamped, the independent operation and assembly of a bench worker are achieved, other operators are not needed to assist in compressing the part, and labor cost is reduced. After the bushing is assembled in a one-time alignment mode, one sliding V-shaped block is fixed, the other sliding V-shaped block is loosened, the part is disassembled, and when the bushing is assembled again, the part is matched with the fixed V-shaped sliding block, so that quick centering is achieved, and assembly is facilitated. The bush and the pressure lever are tightly supported and matched through the spring and the ball, so that the bush is prevented from being scratched.
The specific operation steps are as follows:
firstly, installing a bushing. And lifting the pressing rod, installing the bushing at the top end of the pressing rod, supporting the bushing by the spring and the ball, and fitting the bushing with a shaft shoulder or the top end surface of the pressing rod according to the size requirement to keep the end surface of the bushing horizontal. The spring and ball structure supports the lining to prevent the lining from being scratched.
And secondly, clamping the part. And adjusting the V-shaped sliding block and clamping the part.
Thirdly, preassembling. And adjusting the distance between the pressure rod provided with the bush and the part bush mounting hole, and adjusting the V-shaped sliding block to align the bush and the bush mounting hole.
And fourthly, assembling the bushing. And pressing the bushing according to the process requirement.
Fifthly, detaching the parts. And (5) after the assembly is finished, loosening one V-shaped sliding block, keeping the other V-shaped sliding block still, and dismounting the part. This allows for quick alignment of the parts during reassembly.
Claims (8)
1. An apparatus for fitters of bushings, comprising: the clamping device comprises a base, a first sliding V-shaped block, a first adjusting screw rod, a second sliding V-shaped block, a second adjusting screw rod, a support frame, a guide sleeve and a pressure rod, wherein two bosses are oppositely arranged on the upper surface of the base; the uide bushing sets up and puts at support frame top central point, the depression bar includes bush installation section and direction section, bush installation section external diameter is less than the direction section external diameter, bush installation section external diameter is less than the little predetermined distance of bush internal diameter, direction section external diameter is less than the little predetermined distance of uide bushing internal diameter, bush installation section and direction section outside circumference equipartition have the mounting hole, set up elastomeric element and ball in the mounting hole, the mounting hole is provided with towards the point and is used for sealing the ball, the bush passes through the ball and is connected with the bush installation section, the direction section passes through the ball and is connected with the uide bushing.
2. The apparatus of claim 1, wherein the base is provided with weight-reducing slots.
3. The device of claim 1, wherein the supporting frame is four L-shaped supporting rods, one end of each of the four L-shaped supporting rods is uniformly arranged at four corners of the base, and the other end of each of the four L-shaped supporting rods is fixedly connected with the guide sleeve.
4. The apparatus of claim 1, wherein the mounting holes are evenly distributed circumferentially at 120 degree intervals.
5. The device of claim 1, wherein the resilient member is a spring and the spring has a predetermined amount of compression.
6. The apparatus of claim 1, wherein the predetermined distance is less than a ball radius.
7. A method of fitter assembly of a liner, the method being performed by means of the apparatus of any of claims 1 to 6, the method comprising:
lifting the pressure lever, mounting the bushing at the top end of the pressure lever, and supporting the bushing by a spring and a ball;
clamping a part, and adjusting the relative position of the part and the bush by adjusting the V-shaped slide block;
after the part is concentric with the bushing, the bushing is press-fitted.
8. The method of claim 7, further comprising:
in the case of the need to continue to install the same parts, only one V-shaped slide is loosened while the other V-shaped slide is kept out of the understanding, and the parts are disassembled to avoid correction in the next installation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011316613.8A CN112706104A (en) | 2020-11-20 | 2020-11-20 | Device and method for assembling bush by fitter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011316613.8A CN112706104A (en) | 2020-11-20 | 2020-11-20 | Device and method for assembling bush by fitter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112706104A true CN112706104A (en) | 2021-04-27 |
Family
ID=75542422
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011316613.8A Pending CN112706104A (en) | 2020-11-20 | 2020-11-20 | Device and method for assembling bush by fitter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112706104A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114347133A (en) * | 2022-01-10 | 2022-04-15 | 晋江特锐模具有限公司 | Adult diaper rolling and cutting device |
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|---|---|---|---|---|
| GB153472A (en) * | 1919-12-03 | 1920-11-11 | Edmund Fritchaf Struckman | An improved device for drawing ball races or the like |
| JP2005066736A (en) * | 2003-08-22 | 2005-03-17 | Kr Kogyo Kk | Ratchet wrench |
| CN200974224Y (en) * | 2006-10-31 | 2007-11-14 | 扬动股份有限公司 | Cam shaft sleeve press-loading implement |
| CN201979268U (en) * | 2010-12-31 | 2011-09-21 | 宁波泛亚汽车部件有限公司 | Bushing jig |
| CN204019076U (en) * | 2014-07-11 | 2014-12-17 | 安徽全柴动力股份有限公司 | A kind of instrument that press-fits diesel-engine body cam shaft bush |
| CN107553393A (en) * | 2017-09-08 | 2018-01-09 | 中国第汽车股份有限公司 | A kind of tool for installing camshaft bush |
| CN207578264U (en) * | 2017-12-15 | 2018-07-06 | 四川建安工业有限责任公司 | For the assembling jig of bushing in axle tube |
| CN110815100A (en) * | 2019-12-06 | 2020-02-21 | 湖北正航汽车部件有限公司 | Triangular vertical arm bushing press-fitting tool |
| CN210269469U (en) * | 2019-04-09 | 2020-04-07 | 宣化钢铁集团有限责任公司 | Steel Rockwell hardness detection test bench |
| CN210500072U (en) * | 2019-08-20 | 2020-05-12 | 浙江万里扬新能源驱动科技有限公司 | Bearing press-fitting tool |
| CN210676974U (en) * | 2019-09-03 | 2020-06-05 | 锦州捷通铁路机械股份有限公司 | Train traction beam vertical type numerical control lathe clamping tool |
| CN211638371U (en) * | 2019-12-17 | 2020-10-09 | 泉州绿邦贸易有限公司 | Precision machine perforating device |
-
2020
- 2020-11-20 CN CN202011316613.8A patent/CN112706104A/en active Pending
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB153472A (en) * | 1919-12-03 | 1920-11-11 | Edmund Fritchaf Struckman | An improved device for drawing ball races or the like |
| JP2005066736A (en) * | 2003-08-22 | 2005-03-17 | Kr Kogyo Kk | Ratchet wrench |
| CN200974224Y (en) * | 2006-10-31 | 2007-11-14 | 扬动股份有限公司 | Cam shaft sleeve press-loading implement |
| CN201979268U (en) * | 2010-12-31 | 2011-09-21 | 宁波泛亚汽车部件有限公司 | Bushing jig |
| CN204019076U (en) * | 2014-07-11 | 2014-12-17 | 安徽全柴动力股份有限公司 | A kind of instrument that press-fits diesel-engine body cam shaft bush |
| CN107553393A (en) * | 2017-09-08 | 2018-01-09 | 中国第汽车股份有限公司 | A kind of tool for installing camshaft bush |
| CN207578264U (en) * | 2017-12-15 | 2018-07-06 | 四川建安工业有限责任公司 | For the assembling jig of bushing in axle tube |
| CN210269469U (en) * | 2019-04-09 | 2020-04-07 | 宣化钢铁集团有限责任公司 | Steel Rockwell hardness detection test bench |
| CN210500072U (en) * | 2019-08-20 | 2020-05-12 | 浙江万里扬新能源驱动科技有限公司 | Bearing press-fitting tool |
| CN210676974U (en) * | 2019-09-03 | 2020-06-05 | 锦州捷通铁路机械股份有限公司 | Train traction beam vertical type numerical control lathe clamping tool |
| CN110815100A (en) * | 2019-12-06 | 2020-02-21 | 湖北正航汽车部件有限公司 | Triangular vertical arm bushing press-fitting tool |
| CN211638371U (en) * | 2019-12-17 | 2020-10-09 | 泉州绿邦贸易有限公司 | Precision machine perforating device |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114347133A (en) * | 2022-01-10 | 2022-04-15 | 晋江特锐模具有限公司 | Adult diaper rolling and cutting device |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
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| RJ01 | Rejection of invention patent application after publication | ||
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Application publication date: 20210427 |