CN209867842U - Piston grabbing mechanism - Google Patents
Piston grabbing mechanism Download PDFInfo
- Publication number
- CN209867842U CN209867842U CN201920316250.4U CN201920316250U CN209867842U CN 209867842 U CN209867842 U CN 209867842U CN 201920316250 U CN201920316250 U CN 201920316250U CN 209867842 U CN209867842 U CN 209867842U
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- CN
- China
- Prior art keywords
- piston
- air bag
- clamping jaw
- bag clamping
- support
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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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- 238000002360 preparation method Methods 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 abstract description 6
- 238000009434 installation Methods 0.000 description 11
- 230000000712 assembly Effects 0.000 description 2
- 238000000429 assembly Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 241000251468 Actinopterygii Species 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
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- Manipulator (AREA)
Abstract
The utility model relates to a piston grabbing mechanism, which comprises a mounting component, a positioning component and a grabbing component, wherein the mounting component comprises a support piece; the positioning assembly is fixedly connected with the supporting piece; the grabbing assembly comprises an air bag clamping jaw and an air pipe connector connected with the air bag clamping jaw; the positioning assembly is of a cylindrical structure, and the air bag clamping jaw is arranged on the cylindrical structure and is in contact connection with the outer wall of the piston. Compared with the prior art, the utility model discloses a harmless getting of inferior piston is put and automated production equipment, has production efficiency height, saves cost of labor, advantages such as assembly quality height.
Description
Technical Field
The utility model relates to a snatch the mechanism, especially relate to a piston snatchs mechanism, is particularly useful for snatching booster master cylinder secondary piston.
Background
At present, in industrial production, the problem of piston installation is common in all fields, especially in an automobile piston braking system, a piston plays a vital role, the requirements on the quality and the installation accuracy of the piston are high, and the most important part in an automobile engine during piston assembly is also a relatively complicated ring.
When assembling the booster master cylinder, the main piston, the secondary piston and the master cylinder shell need to be sequentially installed, as shown in fig. 1, the outer circle of the secondary piston belongs to an installation part, the precision requirement of the outer circle of the secondary piston is high, the outer circle must be required to be free of scratches during assembling, and therefore workers are required to take and place by hands in the prior art all the time. Therefore, the problems of the assembly cost of the secondary piston of the booster being too high and the workload of workers being too large are particularly highlighted.
Chinese patent CN106737811A discloses a manipulator for gripping a piston, which comprises a gripping assembly, a driving assembly and a housing, wherein the gripping assembly is rotatably connected with the driving assembly and the housing, the driving assembly is fixedly connected with the housing, and the driving assembly can drive the gripping assembly to rotate relative to the housing so as to grasp or release the piston. In addition, the manipulator is provided with a push rod assembly, the push rod assembly is arranged in the middle of the four grabbing assemblies, and therefore after the grabbing assemblies complete the steps of grabbing and placing the pistons, the push rod assembly can beat the pistons. The grabbing component adopted in the patent is a clamping block connected with the piston in a contact manner, so that the excircle of the piston is easily scratched.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a piston snatchs mechanism in order to overcome the defect that above-mentioned prior art exists.
The purpose of the utility model can be realized through the following technical scheme:
a piston grabbing mechanism comprises a mounting assembly, a positioning assembly and a grabbing assembly, wherein the mounting assembly comprises a supporting piece; the positioning assembly is fixedly connected with the supporting piece; the grabbing assembly comprises an air bag clamping jaw and an air pipe connector connected with the air bag clamping jaw; the positioning assembly is of a cylindrical structure, and the air bag clamping jaw is arranged on the cylindrical structure and is in contact connection with the outer wall of the piston.
The grabbing component comprises a plurality of air bag clamping jaws which are evenly distributed on the inner wall of the cylindrical structure.
The grasping assembly includes three balloon jaws.
The positioning assembly comprises a positioning piece, a limiting plate and a locking screw, and the limiting plate, the positioning piece and the supporting piece are sequentially fastened and connected through the locking screw; the inner diameter of the limiting plate is larger than the outer diameter of the piston, and the air bag clamping jaw is arranged on the inner wall of the limiting plate.
The air pipe connector is fixedly installed on the supporting piece, and an air channel connected with the air bag clamping jaw and the air pipe connector is arranged inside the positioning piece.
The supporting piece is of a cylindrical structure, a supporting rod in sliding connection is arranged inside the cylindrical structure, one end of the supporting rod is in contact connection with the spring in the piston, and a supporting spring is arranged between one end, far away from the piston, of the supporting rod and the supporting piece.
And the two ends of the supporting spring are respectively fixedly connected with the supporting rod and the supporting piece.
The inside of the supporting piece and the end part of the supporting rod are respectively provided with a limiting structure which is mutually clamped in the moving direction of the supporting rod.
The limiting structure comprises a first flange arranged inside the supporting piece and a second flange arranged at the end part of the supporting rod, and the first flange and the second flange are clamped in the moving direction of the supporting rod.
The utility model discloses a theory of operation does: when the material tray of the assembly line reaches the piston assembly station, the material tray is jacked up by the tray jacking mechanism of the piston assembly station, the piston reaches the material taking position, the electromagnetic valve supplies air to the air bag clamping jaw through the air pipe connector, and the air cylinder at the rear end of the air bag clamping jaw acts to extrude the air bag to expand and clamp the outer wall of the secondary piston; the piston is clamped, and the airbag clamping jaw is flexibly connected with the piston, so that the outer surface of the piston is not scratched on the premise of ensuring the clamping firmness, and the installation quality of the piston is ensured; a limiting plate is adopted to ensure that the piston is in the central position; for the installation of the secondary piston of the booster, a spring is arranged in the secondary piston, the utility model adopts the support rod and the support spring to play a role of buffering in the processes of grabbing and placing the material by the secondary piston, thereby preventing the spring in the secondary piston from being stressed to incline and fall off and improving the installation success rate and the installation efficiency; the utility model has the advantages of simple and compact integral structure, occupation space is little, low in manufacturing cost has good economic value.
Compared with the prior art, the utility model realizes the nondestructive taking and placing of the secondary piston, realizes the automatic production and assembly of the secondary piston and improves the production efficiency of the production line; labor intensity of workers and workers is reduced, and labor cost is reduced; the assembly quality is improved, and the installation precision is improved.
Drawings
FIG. 1 is a schematic illustration of a booster master cylinder assembly;
FIG. 2 is a front cross-sectional view of the present invention;
FIG. 3 is a schematic left-side view of the structure of the present invention
In the figure, 1 is a supporting piece, 2 is a positioning piece, 3 is a limiting plate, 4 is a supporting rod, 5 is a limiting screw, 6 is an air bag clamping jaw, 7 is an air pipe joint, 8 is a supporting spring, 9 is a locking screw, 10 is a secondary piston, 11 is a main cylinder shell, and 12 is a main piston.
Detailed Description
The present invention will be described in detail with reference to the following embodiments. The following examples will assist those skilled in the art in further understanding the present invention, but are not intended to limit the invention in any way. It should be noted that various changes and modifications can be made by one skilled in the art without departing from the spirit of the invention. These all belong to the protection scope of the present invention.
Examples
A piston grabbing mechanism is used for realizing automatic upgrading of assembly of a booster master cylinder, and the booster master cylinder is structurally shown in figure 1 and comprises a master cylinder shell 11, a secondary piston 10 and a primary piston 12; during assembly, the secondary piston 10 is mounted to the primary piston 12. The piston grabbing mechanism in the implementation is structurally shown in fig. 2 and comprises a mounting assembly, a positioning assembly and a grabbing assembly; the mounting assembly comprises a supporting piece 1 with a cylindrical structure, a threaded hole is formed in the first end of the supporting piece 1, and the supporting piece is mounted on the assembling device through a limiting screw 5; the positioning assembly comprises a positioning piece 2 with a cylindrical structure, a limiting plate 3 with a cylindrical structure and locking screws 9, the limiting plate 3, the positioning piece 2 and the supporting piece 1 are sequentially fastened and connected through the three locking screws 9, and the three locking screws 9 are uniformly arranged on the positioning assembly; the grabbing assembly comprises an air bag clamping jaw 6 and an air pipe connector 7 connected with the air bag clamping jaw 6; the inner diameter of the limiting plate 3 is larger than the outer diameter of the secondary piston 10, namely after the secondary piston 10 enters the grabbing mechanism, an annular gap is reserved between the secondary piston 10 and the limiting plate 3, grooves matched with the shapes of the air bag clamping jaws 6 are formed in the inner wall of the limiting plate), the air bag clamping jaws 6 are installed in the grooves in a matched mode, when the air bag clamping jaws 6 are inflated and expanded, the air bag clamping jaws 6 are in contact connection with the outer wall of the secondary piston 10 and supply air to the air bag clamping jaws 6, the air bags of the air bag clamping jaws 6 clamp the secondary piston 10, and the three air bag clamping jaws 6 are uniformly arranged on the inner wall of the cylindrical structure and; the air pipe connector 7 is fixedly arranged on the supporting piece 1, and an air channel connected with the air bag clamping jaw 6 and the air pipe connector 7 is arranged inside the positioning piece 2. The support 1 is internally provided with a support rod 4 in sliding connection, one end of the support rod 4 is in contact connection with a spring in the secondary piston 10, a support spring 8 is arranged between one end of the support rod 4 far away from the piston and the support 1, and two ends of the support spring 8 are respectively fixedly connected with the support rod 4 and the support 1. The end parts of the inside of the support piece 1 and the support rod 4 are respectively provided with a limiting structure which is clamped with each other in the moving direction of the support rod 4, the limiting structure specifically comprises a first flange arranged in the inside of the support piece 1 and a second flange arranged at the end part of the support rod 4, and the first flange and the second flange are clamped in the moving direction of the support rod 4.
The working principle of the embodiment is as follows: when the material tray of the assembly line reaches the secondary piston assembly station, the tray jacking mechanism of the secondary piston assembly station jacks up the material tray, the secondary piston reaches the material taking position, the electromagnetic valve supplies air to the air bag clamping jaw 6 through the air pipe connector 7, and the air cylinder at the rear end of the air bag clamping jaw acts to extrude the air bag to expand and clamp the outer wall of the secondary piston; realize pressing from both sides inferior piston 10 to because gasbag clamping jaw 6 is flexible connection with inferior piston 10, under the prerequisite of guaranteeing to press from both sides the fastness, can not cause the fish tail to the surface of inferior piston 10, guarantee the installation quality of inferior piston 10. Adopt limiting plate 3 to guarantee that inferior piston 10 is put at central point in this embodiment, adopt bracing piece 4 and supporting spring 8 to play the cushioning effect at inferior piston 10 snatching with the blowing in-process, prevent that the spring atress in the inferior piston from taking place to incline and drop, improve installation success rate and installation effectiveness.
The foregoing description of the specific embodiments of the invention has been presented. It is to be understood that the present invention is not limited to the specific embodiments described above, and that various changes and modifications may be made by those skilled in the art within the scope of the appended claims without departing from the spirit of the invention.
Claims (10)
1. A piston grabbing mechanism comprises a mounting assembly, a positioning assembly and a grabbing assembly, wherein the mounting assembly comprises a support piece (1); the positioning assembly is fixedly connected with the supporting piece (1); it is characterized in that the preparation method is characterized in that,
the grabbing assembly comprises an air bag clamping jaw (6) and an air pipe connector (7) connected with the air bag clamping jaw (6); the positioning assembly is of a cylindrical structure, and the air bag clamping jaw (6) is arranged on the cylindrical structure and is in contact connection with the outer wall of the piston.
2. Piston gripping mechanism according to claim 1, characterized in that said gripping assembly comprises a plurality of air-bag gripping jaws (6), said plurality of air-bag gripping jaws (6) being evenly arranged on the inner wall of said cylindrical structure.
3. A piston catch mechanism according to claim 2, wherein the catch assembly comprises three balloon jaws (6).
4. The piston grabbing mechanism according to claim 1, wherein the positioning assembly comprises a positioning element (2), a limiting plate (3) and a locking screw (9), and the limiting plate (3), the positioning element (2) and the supporting element (1) are sequentially and tightly connected through the locking screw (9); the inner diameter of the limiting plate (3) is larger than the outer diameter of the piston, and the air bag clamping jaw (6) is arranged on the inner wall of the limiting plate (3).
5. The piston grabbing mechanism according to claim 4, wherein a groove matched with the shape of the air bag clamping jaw (6) is formed in the inner wall of the limiting plate (3), and the air bag clamping jaw (6) is installed in the groove in a matched mode.
6. Piston grabbing mechanism according to claim 4, wherein the air pipe connector (7) is fixedly mounted on the support member (1), and a gas channel connected with the air bag clamping jaw (6) and the air pipe connector (7) is arranged inside the positioning member (2).
7. A piston catching mechanism according to claim 1 characterized in that the support (1) is provided inside with a slidably connected support rod (4), one end of the support rod (4) is in contact connection with a spring in the piston, and a support spring (8) is provided between the end of the support rod (4) remote from the piston and the support (1).
8. Piston catching mechanism according to claim 7 characterized by the fact that the supporting spring (8) is fixedly connected at both ends to the supporting bar (4) and the support (1), respectively.
9. Piston grabbing mechanism according to claim 7, characterized in that the inside of the supporting member (1) and the end of the supporting rod (4) are respectively provided with a limiting structure which is clamped with each other in the moving direction of the supporting rod (4).
10. Piston catch mechanism according to claim 9, characterized in that the stop structure comprises a first flange arranged inside the support member (1) and a second flange arranged at the end of the support bar (4), the first and second flanges being snap-fitted in the direction of movement of the support bar (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920316250.4U CN209867842U (en) | 2019-03-13 | 2019-03-13 | Piston grabbing mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920316250.4U CN209867842U (en) | 2019-03-13 | 2019-03-13 | Piston grabbing mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209867842U true CN209867842U (en) | 2019-12-31 |
Family
ID=68954858
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920316250.4U Expired - Fee Related CN209867842U (en) | 2019-03-13 | 2019-03-13 | Piston grabbing mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209867842U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109759818A (en) * | 2019-03-13 | 2019-05-17 | 上海新灏机电设备有限公司 | A kind of piston grasping mechanism |
-
2019
- 2019-03-13 CN CN201920316250.4U patent/CN209867842U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109759818A (en) * | 2019-03-13 | 2019-05-17 | 上海新灏机电设备有限公司 | A kind of piston grasping mechanism |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 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: 20191231 |