CN110450068B - Clamping and changing mechanism - Google Patents
Clamping and changing mechanism Download PDFInfo
- Publication number
- CN110450068B CN110450068B CN201910742528.9A CN201910742528A CN110450068B CN 110450068 B CN110450068 B CN 110450068B CN 201910742528 A CN201910742528 A CN 201910742528A CN 110450068 B CN110450068 B CN 110450068B
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- wall plate
- sensor
- plate
- telescopic rod
- bracket
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- 230000007246 mechanism Effects 0.000 title claims abstract description 25
- 238000006243 chemical reaction Methods 0.000 claims description 4
- 238000001514 detection method Methods 0.000 abstract description 13
- 238000004519 manufacturing process Methods 0.000 abstract description 11
- 230000009466 transformation Effects 0.000 abstract description 3
- 238000009434 installation Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
Classifications
-
- 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
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Jigs For Machine Tools (AREA)
- Automatic Assembly (AREA)
Abstract
The invention discloses a clamping and changing mechanism which comprises a frame, a variable clamping mechanism, a bracket, a first sensor and a second sensor, wherein the first sensor is arranged on the frame; the frame consists of an L-shaped plate, a front wall plate, a rear wall plate and a middle supporting plate, wherein the front wall plate is welded with one end of the L-shaped plate, the rear wall plate is welded with the other end of the L-shaped plate, the two ends of the middle supporting plate are respectively welded with the front wall plate and the rear wall plate, and the upper end of the middle supporting plate is welded with the L-shaped plate; the two ends of the bracket are respectively and fixedly connected with the front wall plate and the rear wall plate, and the bracket is provided with a long groove; the first sensor and the second sensor are respectively and fixedly connected with the long groove on the support, and through telescopic transformation of the telescopic rod, the detection that one detection device is applicable to various types is realized, the universality of the device is improved, the assembly production line is shortened, the occupied area is reduced, and the input cost of the device of the assembly production line is reduced.
Description
Technical Field
The invention belongs to the technical field of tool clamping mechanisms, and particularly relates to a clamping and converting mechanism.
Background
In machining or detecting mechanical equipment, positioning and clamping of the mechanical equipment are needed, so that the freedom degree of the mechanical equipment is limited.
In the assembly process of the engine, after the crankshaft and the cylinder body are assembled, the circumferential matching tightness degree and the axial clearance of the crankshaft relative to the crankshaft cover are required to be detected, the cylinder body is required to be clamped before the test, and a traditional mode adopts one machine type detection device, so that the assembly production line is long, the occupied area is large, the equipment investment cost is high.
Disclosure of Invention
The invention provides a clamping and converting mechanism, which realizes that one detection device is suitable for detection of various types through telescopic conversion of a telescopic rod, improves the universality of the device, shortens the assembly production line, reduces the occupied area and reduces the input cost of the device of the assembly production line.
In order to achieve the above purpose, the technical scheme adopted by the invention is as follows: a clamping and changing mechanism comprises a frame, a variable clamping mechanism, a bracket, a first sensor and a second sensor;
The frame consists of an L-shaped plate, a front wall plate, a rear wall plate and a middle supporting plate, wherein the front wall plate is welded with one end of the L-shaped plate, the rear wall plate is welded with the other end of the L-shaped plate, the two ends of the middle supporting plate are respectively welded with the front wall plate and the rear wall plate, and the upper end of the middle supporting plate is welded with the L-shaped plate;
The two ends of the bracket are respectively and fixedly connected with the front wall plate and the rear wall plate, and the bracket is provided with a long groove;
the first sensor and the second sensor are respectively and fixedly connected with the long groove on the bracket.
Preferably, the variable clamping mechanism comprises uide bushing, axle bush, telescopic link, pressure spring and end cover, the axle bush is connected with hole interference fit on the wallboard before with, uide bushing and wallboard fastening connection, the telescopic link passes uide bushing and axle bush, and with uide bushing and axle bush sliding connection, the pressure spring cover is established on the telescopic link, and the end cover passes through bolt fastening at telescopic link tip, and makes pressure spring one end and axle bush terminal surface contact, and other one end and end cover contact.
Preferably, the guide sleeve is provided with two first limiting openings and two second limiting openings, the two first limiting openings are symmetrically distributed at 180 degrees, the two second limiting openings are symmetrically distributed at 180 degrees, the telescopic rod is symmetrically provided with limiting blocks at 180 degrees, and the limiting blocks can be clamped in the first limiting openings or the second limiting openings.
Preferably, the distance from the bottom end face of the first limiting port to the bottom end face of the second limiting port is equal to the distance from the first sensor axis to the second sensor axis.
Preferably, the bracket is shaped like a Chinese character 'ji'.
Preferably, a cushion block is fastened at the end of the telescopic rod.
The beneficial effects of adopting above technical scheme are:
1. This centre gripping transform mechanism, when to first model, stopper block is in first spacing mouthful this moment, and under the elastic restoring force of pressure spring this moment, the elastic restoring force of pressure spring acts on the end cover, then the end cover is with telescopic link tensioning for stopper block firmly block is in first spacing mouthful, and first sensor senses the end cover and is close to this moment, and first sensor gives the host computer with signal transmission, indicates to be ready for centre gripping first model, then holds the both sides of engine cylinder body respectively through four variable clamping mechanism.
When aiming at the second model, the cushion block is pulled by hand, the telescopic rod further compresses the pressure spring through the end cover until the limiting block is pulled out of the first limiting opening, then the telescopic rod is rotated by 90 degrees, the limiting block faces the second limiting opening on the guide sleeve, then the telescopic rod is released, under the action of elastic restoring force of the pressure spring, the telescopic rod is retracted, the limiting block is firmly clamped in the second limiting opening, at the moment, the second sensor senses that the end cover is close, the second sensor transmits signals to the upper computer, the second sensor is ready for clamping the second model, the model changing work before clamping the second model is realized, the detection of one detection device suitable for various models is realized through the telescopic transformation of the telescopic rod, the universality of the device is improved, the assembly production line is shortened, the occupied area is reduced, and the equipment investment cost of the assembly production line is reduced.
2. The two ends of the bracket are respectively and fixedly connected with the front wall plate and the rear wall plate, and the bracket is provided with a long groove, so that the installation of the first sensor and the second sensor is ensured, and the straightness of the installation is ensured; the telescopic rod passes through the guide sleeve and the bearing bush and is in sliding connection with the guide sleeve and the bearing bush, so that the stability of the telescopic rod in the process of changing the shape and stretching is ensured, and the shaking phenomenon can not occur.
The guide sleeve is provided with two first limiting ports and two second limiting ports, the two first limiting ports are symmetrically distributed at 180 degrees, the two second limiting ports are symmetrically distributed at 180 degrees, the telescopic rod is symmetrically provided with limiting blocks at 180 degrees, the limiting blocks can be clamped at the first limiting ports or the second limiting ports, the structure is arranged, the completion of model changing is guaranteed, and a plurality of limiting ports can be arranged according to the model.
The distance from the bottom end face of the first limit port to the bottom end face of the second limit port is equal to the distance from the axis of the first sensor to the axis of the second sensor, so that the stability of the position signal detection of the first sensor and the second sensor is ensured; the bracket is in a shape of a Chinese character 'ji', and space is reserved for detecting positions of the first sensor and the second sensor; the end part of the telescopic rod is fastened with the cushion block, so that the damage to the molded surface of the engine cylinder body is avoided.
Drawings
FIG. 1 is a schematic diagram of a variable clamping mechanism assembled with a frame;
FIG. 2 is a diagram of the assembled position of the variable clamping mechanism and the bracket;
FIG. 3 is an exploded view of the variable clamping mechanism;
Wherein:
1. A frame; 2. a variable clamping mechanism; 3. a bracket; 4. a first sensor; 5. a second sensor; 10. an L-shaped plate; 11. a front wall panel; 12. a rear wall panel; 13. middle supporting plates; 20. a guide sleeve; 20-1, a first limiting opening; 20-2, a second limiting port; 21. bearing bush; 22. a telescopic rod; 22-1, limiting blocks; 23. a pressure spring; 24. an end cap; 25. a cushion block; 30. an elongated slot.
Detailed Description
The following detailed description of the embodiments of the invention, given by way of example only, is presented in the accompanying drawings to aid in a more complete, accurate and thorough understanding of the concepts and aspects of the invention, and to aid in its practice, by those skilled in the art.
As shown in fig. 1 to 3, the clamping and converting mechanism realizes that one detecting device is suitable for detection of various types through telescopic conversion of the telescopic rod, improves the universality of the device, shortens the assembly production line, reduces the occupied area and reduces the input cost of the device of the assembly production line.
Specifically, as shown in fig. 1 to 3, the device comprises a frame 1, a variable clamping mechanism 2, a bracket 3, a first sensor 4 and a second sensor 5;
The frame 1 is composed of an L-shaped plate 10, a front wall plate 11, a rear wall plate 12 and a middle supporting plate 13, wherein the front wall plate 11 is welded with one end of the L-shaped plate 10, the rear wall plate 12 is welded with the other end of the L-shaped plate 10, two ends of the middle supporting plate 13 are respectively welded with the front wall plate 11 and the rear wall plate 12, and the upper end of the middle supporting plate 13 is welded with the L-shaped plate 10;
the two ends of the bracket 3 are respectively and fixedly connected with the front wall plate 11 and the rear wall plate 12, and the bracket 3 is provided with a long groove 30;
the first sensor 4 and the second sensor 5 are respectively and fixedly connected with the long groove 30 on the bracket 3.
As shown in fig. 1,2 and 3, the variable clamping mechanism 2 is composed of a guide sleeve 20, a bearing bush 21, a telescopic rod 22, a pressure spring 23 and an end cover 24, wherein the bearing bush 21 is in interference fit connection with a hole in the front wall plate 11, the guide sleeve 20 is fixedly connected with the front wall plate 11, the telescopic rod 22 passes through the guide sleeve 20 and the bearing bush 21 and is in sliding connection with the guide sleeve 20 and the bearing bush 21, the pressure spring 23 is sleeved on the telescopic rod 22, the end cover 24 is fastened at the end part of the telescopic rod 22 through a bolt, one end of the pressure spring 23 is in end face contact with the bearing bush 21, and the other end is in contact with the end cover 24.
As shown in fig. 2 and 3, the guide sleeve 20 is provided with two first limiting openings 20-1 and two second limiting openings 20-2, the two first limiting openings 20-1 are symmetrically distributed at 180 degrees, the two second limiting openings 20-2 are symmetrically distributed at 180 degrees, the telescopic rod 22 is symmetrically provided with limiting blocks 22-1 at 180 degrees, and the limiting blocks 22-1 can be clamped in the first limiting openings 20-1 or the second limiting openings 20-2.
As shown in fig. 2, the distance from the bottom end surface of the first limiting port 20-1 to the bottom end surface of the second limiting port 20-2 is equal to the distance from the axis of the first sensor 4 to the axis of the second sensor 5.
As shown in fig. 2, the bracket 3 is shaped like a Chinese character 'ji'.
As shown in fig. 2 and 3, a cushion block 25 is fastened at the end of the telescopic rod 22.
The following describes specific modes of operation with specific examples:
example 1:
When the clamping conversion mechanism is used for a first machine type, the limiting block 22-1 is clamped in the first limiting port 20-1, at the moment, under the action of elastic restoring force of the pressure spring 23, the elastic restoring force of the pressure spring 23 acts on the end cover 24, then the end cover 24 tightens the telescopic rod 22, the limiting block 22-1 is firmly clamped in the first limiting port 20-1, at the moment, the first sensor 4 senses that the end cover 24 is close, the first sensor 4 transmits a signal to an upper computer, the first machine type is ready for clamping, and then two sides of an engine cylinder body are respectively clamped through the four variable clamping mechanisms 2.
When aiming at the second model, the cushion block 25 is pulled by hand, the telescopic rod 22 further compresses the pressure spring 23 through the end cover 24 until the limiting block 22-1 is pulled out of the first limiting port 20-1, then the telescopic rod 2290 DEG is rotated, the limiting block 22-1 is opposite to the second limiting port 20-2 on the guide sleeve 20, then the telescopic rod 22 is released, under the elastic restoring force of the pressure spring 23, the telescopic rod 22 is retracted, the limiting block 22-1 is firmly clamped in the second limiting port 20-2, at the moment, the second sensor 5 senses that the end cover 24 is close, the second sensor 5 transmits signals to the upper computer, so that preparation is made for clamping the second model, the model changing work before clamping the second model is realized, the detection equipment is suitable for detection of various models through the telescopic transformation of the telescopic rod 22, the universality of the equipment is improved, the assembly production line is shortened, the occupied area is reduced, and the equipment investment cost of the assembly production line is reduced.
Example 2:
The two ends of the bracket 3 are respectively and fixedly connected with the front wall plate 11 and the rear wall plate 12, and the bracket 3 is provided with a long groove 30, so that the installation of the first sensor 4 and the second sensor 5 is ensured, and the straightness of the installation is ensured; the telescopic rod 22 passes through the guide sleeve 20 and the bearing bush 21 and is in sliding connection with the guide sleeve 20 and the bearing bush 21, so that the stability of the telescopic rod 22 in the process of changing the shape and stretching is ensured, and the shaking phenomenon can not occur.
The guide sleeve 20 is provided with two first limit ports 20-1 and two second limit ports 20-2, the two first limit ports 20-1 are symmetrically distributed at 180 degrees, the two second limit ports 20-2 are symmetrically distributed at 180 degrees, the telescopic rod 22 is symmetrically provided with limit blocks 22-1 at 180 degrees, the limit blocks 22-1 can be clamped at the first limit ports 20-1 or the second limit ports 20-2, and the above structure ensures the completion of the mold change, and a plurality of limit ports can be arranged according to the machine type.
The distance from the bottom end surface of the first limit port 20-1 to the bottom end surface of the second limit port 20-2 is equal to the distance from the axis of the first sensor 4 to the axis of the second sensor 5, so that the stability of the position signal detection of the first sensor 4 and the second sensor 5 is ensured; the bracket 3 is in a shape like a Chinese character 'ji', and space is reserved for the detection positions of the first sensor 4 and the second sensor 5; the end of the telescopic rod 22 is fixedly provided with a cushion block 25, so that the damage to the machined molded surface of the engine cylinder body is avoided.
While the invention has been described above by way of example with reference to the accompanying drawings, it is to be understood that the invention is not limited to the particular embodiments described, but is capable of numerous insubstantial modifications of the inventive concept and solution; or the invention is not improved, and the conception and the technical scheme are directly applied to other occasions and are all within the protection scope of the invention.
Claims (2)
1. The utility model provides a centre gripping transform mechanism which characterized in that: comprises a frame (1), a variable clamping mechanism (2), a bracket (3), a first sensor (4) and a second sensor (5);
The frame (1) consists of an L-shaped plate (10), a front wall plate (11), a rear wall plate (12) and a middle supporting plate (13), wherein the front wall plate (11) is welded with one end of the L-shaped plate (10), the rear wall plate (12) is welded with the other end of the L-shaped plate (10), two ends of the middle supporting plate (13) are respectively welded with the front wall plate (11) and the rear wall plate (12), and the upper end of the middle supporting plate (13) is welded with the L-shaped plate (10);
Two ends of the bracket (3) are respectively and fixedly connected with the front wall plate (11) and the rear wall plate (12), and the bracket (3) is provided with a long groove (30);
the first sensor (4) and the second sensor (5) are respectively and tightly connected with the long groove (30) on the bracket (3);
The variable clamping mechanism (2) consists of a guide sleeve (20), a bearing bush (21), a telescopic rod (22), a pressure spring (23) and an end cover (24), wherein the bearing bush (21) is in interference fit connection with a hole on a front wall plate (11), the guide sleeve (20) is fixedly connected with the front wall plate (11), the telescopic rod (22) penetrates through the guide sleeve (20) and the bearing bush (21) and is in sliding connection with the guide sleeve (20) and the bearing bush (21), the pressure spring (23) is sleeved on the telescopic rod (22), the end cover (24) is fastened at the end part of the telescopic rod (22) through bolts, one end of the pressure spring (23) is in end-face contact with the bearing bush (21), and the other end of the pressure spring (23) is in contact with the end cover (24);
Two first limit openings (20-1) and two second limit openings (20-2) are formed in the guide sleeve (20), the two first limit openings (20-1) are symmetrically distributed at 180 degrees, the two second limit openings (20-2) are symmetrically distributed at 180 degrees, limit blocks (22-1) are symmetrically arranged on the telescopic rod (22) at 180 degrees, and the limit blocks (22-1) can be clamped in the first limit openings (20-1) or the second limit openings (20-2);
the bracket (3) is shaped like a Chinese character 'ji';
and a cushion block (25) is fastened at the end part of the telescopic rod (22).
2. A clamping conversion mechanism as claimed in claim 1, wherein: the distance from the bottom end surface of the first limit port (20-1) to the bottom end surface of the second limit port (20-2) is equal to the distance from the axis of the first sensor (4) to the axis of the second sensor (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910742528.9A CN110450068B (en) | 2019-08-13 | 2019-08-13 | Clamping and changing mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910742528.9A CN110450068B (en) | 2019-08-13 | 2019-08-13 | Clamping and changing mechanism |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110450068A CN110450068A (en) | 2019-11-15 |
| CN110450068B true CN110450068B (en) | 2024-06-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910742528.9A Active CN110450068B (en) | 2019-08-13 | 2019-08-13 | Clamping and changing mechanism |
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| Country | Link |
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| CN (1) | CN110450068B (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105345691A (en) * | 2015-11-27 | 2016-02-24 | 泸州远程工程机械有限公司 | Electric clamp capable of rapidly changing clamping surface |
| CN210998270U (en) * | 2019-08-13 | 2020-07-14 | 玉柴联合动力股份有限公司 | Clamping conversion mechanism |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN206717701U (en) * | 2017-03-17 | 2017-12-08 | 昆山市华奎机械电子有限公司 | A kind of intelligent fixture fixture |
-
2019
- 2019-08-13 CN CN201910742528.9A patent/CN110450068B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105345691A (en) * | 2015-11-27 | 2016-02-24 | 泸州远程工程机械有限公司 | Electric clamp capable of rapidly changing clamping surface |
| CN210998270U (en) * | 2019-08-13 | 2020-07-14 | 玉柴联合动力股份有限公司 | Clamping conversion mechanism |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110450068A (en) | 2019-11-15 |
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