CN214722537U - Hydraulic clamp for cylinder cover - Google Patents
Hydraulic clamp for cylinder cover Download PDFInfo
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- CN214722537U CN214722537U CN202121053822.8U CN202121053822U CN214722537U CN 214722537 U CN214722537 U CN 214722537U CN 202121053822 U CN202121053822 U CN 202121053822U CN 214722537 U CN214722537 U CN 214722537U
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Abstract
The utility model provides a cylinder head hydraulically operated fixture, includes the base, and the bottom of base is provided with the slip table guide rail, installs the slip table on the slip table guide rail, and the base facade is the locating surface, and this face is provided with corner pneumatic cylinder and lever pneumatic cylinder, installs the corner clamp plate on the piston rod of corner pneumatic cylinder, installs the lever clamp plate on the piston rod of lever pneumatic cylinder, and the locating pin is installed to the top that lies in the slip table on the locating surface. A cylinder cover workpiece is placed on the sliding table, the position of the sliding table positioning pin is pushed along the sliding table guide rail, and complete positioning is achieved through combination of the pin hole in the workpiece and the positioning pin. And starting a pressing hydraulic cylinder to press the front surface of the workpiece on the positioning surface, so as to realize clamping and positioning before machining the workpiece. The utility model discloses location structure is reasonable, has realized the quick location and the compressing tightly to the cylinder head, has made things convenient for the loading and unloading in the cylinder head course of working, has also prevented the vibration of cylinder head in the course of working simultaneously, and can carry out the processing of two processes respectively, is satisfying the needs of cylinder head multistation processing.
Description
Technical Field
The utility model relates to a hydraulically operated fixture for processing cylinder head belongs to cylinder head processing technology field
Background
The cylinder head is the blank before the initial production, then need through many times turn over, the clamping, fix and accomplish processing, wherein this just needs corresponding anchor clamps to carry out the centre gripping to the cylinder head fixed, then reuse the lathe to process the cylinder head, however, among the prior art, because the quality of cylinder head is great, add man-hour at every process, all need to carry out turn over once and the clamping with the cylinder head, not only need consume more labour and time, need consume a large amount of physical power of staff promptly, and the work efficiency of installation is lower, current cylinder head can vibrate in the course of working simultaneously, seriously influence the machining precision.
Disclosure of Invention
The utility model discloses not enough to current cylinder head processing technology exists provides a convenient and fast, convenient operation's cylinder head hydraulically operated fixture.
The utility model discloses a cylinder head hydraulically operated fixture adopts following technical scheme:
the clamp comprises a base, wherein a sliding table guide rail is arranged at the bottom of the base, a sliding table is mounted on the sliding table guide rail, a vertical face of the base is a positioning face, a main pressing mechanism and an auxiliary pressing mechanism are arranged on the positioning face, and a positioning pin is arranged above the sliding table on the positioning face.
And a sliding table limiting block is arranged on the sliding table guide rail to limit the position of a workpiece.
The slip table divide into two-layer about two-layer, and upper strata and lower floor all are provided with the leading wheel, and the upper strata is provided with the preliminary positioning round.
The main pressing mechanism is a corner hydraulic cylinder, and a piston rod of the corner hydraulic cylinder is provided with a corner pressing plate. The corner hydraulic cylinders are distributed in an inverted triangle, two are arranged above, and one is arranged below and between the two upper corner hydraulic cylinders.
The auxiliary pressing mechanism is a lever hydraulic cylinder, a lever pressing plate is installed on a piston rod of the lever hydraulic cylinder, and a supporting point of the lever hydraulic cylinder is a flange supporting cylinder. The lever hydraulic cylinders are distributed in a triangular shape, two of the lever hydraulic cylinders are arranged below the lever hydraulic cylinders, and the other lever hydraulic cylinder is arranged above the lever hydraulic cylinders and is positioned between the two lower lever hydraulic cylinders. The lever hydraulic cylinder plays a role in auxiliary supporting and pressing the workpiece, can effectively avoid the conditions of tool shaking and the like during workpiece processing, and enables the processing surface of the cylinder cover to be smooth without flaws such as tool shaking lines and the like.
The positioning pin comprises a cylindrical pin and a diamond-shaped pin, and the cylindrical pin and the diamond-shaped pin are respectively installed on the positioning surface through an adjustable cylindrical pin seat and an adjustable diamond-shaped pin seat. The adjustable cylindrical pin base comprises a fixed base, a transverse gasket, a vertical gasket and a pin base, wherein the pin base, the transverse gasket and the vertical gasket are all arranged on the fixed base, the transverse gasket and the vertical gasket are respectively positioned on two sides of the cylindrical pin base, and the cylindrical pin or the diamond-shaped pin is arranged on the pin base.
The base is further provided with a gas detection cushion block, a small hole is formed in the gas detection cushion block, and the small hole is connected with a gas tightness detection pressure switch. When the workpiece and the gas detection cushion block are not attached in place, the pressure switch detects and alarms, and the machine tool does not process.
The cylinder cover workpiece is placed on the sliding table, the sliding table is initially positioned through the two pre-positioning pins, then the sliding table is pushed along the sliding table guide rail, the workpiece on the sliding table is pushed into the positions of the cylindrical pin and the diamond pin, and the complete positioning is realized through the combination of the pin hole in the workpiece and the cylindrical pin and the diamond pin. And the corner hydraulic cylinder and the lever hydraulic cylinder are started to press the front surface of the workpiece on the positioning surface, so that the workpiece is clamped and positioned before machining.
The utility model discloses location structure is reasonable, and the modern design has realized the quick location and the compressing tightly to the cylinder head, is making things convenient for the loading and unloading in the cylinder head course of working greatly, is also preventing the vibration of cylinder head in the course of working simultaneously, and can carry out the processing of two processes respectively, is satisfying the needs of cylinder head multistation processing. And simultaneously, the requirement of modern enterprise automation is met.
Drawings
Fig. 1 is a schematic structural view of the cylinder head clamp of the present invention.
Fig. 2 is a schematic structural view of the base in the cylinder head clamp of the present invention.
Fig. 3 is a schematic structural view of the sliding table in the cylinder head fixture of the present invention.
Fig. 4 is a schematic structural view of the adjustable cylindrical pin seat in the cylinder head fixture of the present invention.
In the figure: 1. the device comprises a base, 2. a corner hydraulic cylinder, 3. an air detection gasket, 4. an adjustable cylindrical pin seat, 5. a prepositioning pin, 6. an energy accumulator, 7. a pressure gauge, 8. an adjustable diamond pin seat, 9. a sliding table guide rail, 10. a corner pressure plate, 11. an air blowing nozzle, 12. a guide wheel, 13. a flange supporting cylinder, 14. a lever pressure plate, 15. a sliding table, 16. a positioning cushion block, 17. a lever hydraulic cylinder, 18. a sliding table limiting block, 19. a fixed seat, 20. a cylindrical pin, 21. a transverse gasket, 22. a vertical gasket and 23. a cylindrical pin seat.
Detailed Description
As shown in fig. 1, 2 and 3, the present invention provides a cylinder head hydraulic clamp, which comprises a base 1. The bottom of base 1 is provided with slip table guide rail 9, installs slip table 15 on the slip table guide rail 9. Referring to fig. 3, the sliding table 15 is divided into an upper layer and a lower layer, the upper layer and the lower layer are respectively provided with four guide wheels 12, and the upper layer is provided with two vertical pre-positioning pins 5. A sliding table limiting block 18 is arranged on the sliding table guide rail 9.
Referring to fig. 2, the front surface of the rear vertical surface of the base 1 is a positioning surface, the positioning pad 16 is arranged at three positions on the surface, each positioning pad 16 is provided with a corner hydraulic cylinder 2, three corner hydraulic cylinders 2 are arranged at the positions of the positioning pad 16, the three corner hydraulic cylinders are distributed in an inverted triangle, two corner hydraulic cylinders are arranged above and one corner hydraulic cylinder is arranged below and between the two corner hydraulic cylinders, and a corner pressing plate 10 is arranged on a piston rod of each corner hydraulic cylinder 2 and is used for main pressing of the whole clamp. In addition, three lever hydraulic cylinders 17 for auxiliary support and auxiliary compression of the clamp are arranged on the positioning surface, a lever pressing plate 14 is installed on a piston rod of each lever hydraulic cylinder 17, and a supporting point of each lever hydraulic cylinder 17 is a flange supporting cylinder 13; the three lever hydraulic cylinders 17 are distributed in a triangular shape, two lever hydraulic cylinders are arranged below and at two sides of the lower corner hydraulic cylinder 2, and one lever hydraulic cylinder is arranged above and between the two upper corner hydraulic cylinders 2; the three lever hydraulic cylinders 17 play a role in auxiliary supporting and pressing the workpiece, so that the conditions of tool vibration and the like during workpiece processing can be effectively avoided, and the processed surface of the cylinder cover is smooth and has no defects of tool vibration and lines and the like. The corner hydraulic cylinder and the lever hydraulic cylinder 17 are in the prior art; the corner hydraulic cylinder is used for avoiding the process table on the inner side of the cylinder cover from interfering when a piece is placed or taken and a pressing point is arranged; the lever hydraulic cylinder 17 is used for solving the problem of interference when the sliding table 15 enters and exits a workpiece, and the space is saved.
An adjustable cylindrical pin seat 4 and an adjustable diamond pin seat 8 are arranged on the positioning surface of the base 1 above the sliding table 15. As shown in fig. 4, the adjustable cylindrical pin holder 4 includes a fixing seat 19, a horizontal washer 21, a vertical washer 22, a pin holder 23, and a cylindrical pin 20. Pin boss 23, horizontal gasket 21 and perpendicular gasket 22 all set up on fixing base 19, and horizontal gasket 21 and perpendicular gasket 22 are located the top of pin boss 23 respectively and control one side, and cylindric lock 20 sets up on cylindric lock seat 23. The structure of the adjustable diamond pin base 8 is the same as that of the adjustable cylindrical pin base 4, but the diamond pin is used for replacing the cylindrical pin. The sizes of the mounting holes of the cylindrical pin and the diamond pin are selected according to the design size of the pin hole in the workpiece, and coordinates of the cylindrical pin and the diamond pin X, Y are matched and ground through the transverse gasket 21 and the vertical gasket 22, so that coordinate values of the cylindrical pin and the diamond pin meet the requirements of a drawing and design tolerance. The complete positioning of the cylinder cover workpiece is realized through one surface and two pins of the positioning cushion block 16, the adjustable cylindrical pin seat 4 and the adjustable diamond pin seat 8.
The rear part of the base 1 is also provided with an energy accumulator 6 and an air blowing nozzle 11, a hydraulic pipeline of each hydraulic cylinder is connected with an external hydraulic station through the energy accumulator 6, and a pressure gauge 7 is arranged on the hydraulic pipeline. When the instantaneous pressure of the system is increased, the energy accumulator 6 can absorb the energy of the part to ensure the normal pressure of the whole system, and the pressure gauge 7 is arranged in the pressure-holding clamp to facilitate an operator to observe the hydraulic pressure of the clamp body, so as to judge whether the clamping force of each hydraulic cylinder meets the requirement, so that a workpiece is stably fixed at a positioning position, and the absolute safety of the machine tool and a cutter during the machining of the machine tool is ensured. Before the air blowing nozzle 11 is used for clamping the cylinder cover, air is blown to the contact position of each positioning cushion block 16, the cylindrical pin 20, the diamond-shaped pin and the like and a workpiece, so that dirt such as scrap iron and the like on the surface in contact with the cylinder cover is not allowed, and the positioning precision is not influenced.
In addition, the rear part of the base 1 is also provided with a small hole with the diameter of 1-1.2mm at the upper part of the air detection cushion block 3, and the small hole is connected with an air tightness detection pressure switch. And after the workpiece is clamped, the air tightness is detected, the air tightness detection pressure switch is provided with a certain threshold value, when the workpiece and the air detection cushion block 3 are not attached in place, the air leakage phenomenon occurs, the pressure switch detects and alarms, and the machine tool does not process. When the workpiece is tightly attached to the gas detection cushion block 3, the pressure is kept unchanged or slightly changed to meet the set threshold value, and the machine tool processes the workpiece.
The process of the clamp for clamping and positioning the cylinder cover is as follows.
The initial sliding table 15 is positioned on the outer side of the sliding table guide rail 9, a cylinder cover workpiece is placed on the sliding table 15 and pushed to the position of the pre-positioning pin 5, and the initial positioning is realized through the two pre-positioning pins 5 and is supported through each guide wheel 12. Then the sliding table 15 is pushed along the sliding table guide rail 9, the workpiece on the sliding table 15 is pushed to the positions of the adjustable cylindrical pin seat 4 and the adjustable diamond pin seat 8, and the complete positioning is realized through the combination of the pin holes on the workpiece and the cylindrical pins and the diamond pins. And starting each corner hydraulic cylinder 2 and each lever hydraulic cylinder 17, pressing the front surface of the workpiece on a positioning cushion block 16 through a corner pressing plate 10, and pressing the side surface of the workpiece through a lever pressing plate 14 to realize clamping and positioning before machining the workpiece. And processing after the air tightness is detected to be qualified.
Claims (10)
1. A hydraulic clamp for a cylinder cover is characterized in that: the base is provided with a sliding table guide rail at the bottom, a sliding table is mounted on the sliding table guide rail, a vertical surface of the base is a positioning surface, a main pressing mechanism and an auxiliary pressing mechanism are arranged on the positioning surface, and a positioning pin is arranged above the sliding table on the positioning surface.
2. The cylinder head hydraulic clamp of claim 1, wherein: and a sliding table limiting block is arranged on the sliding table guide rail.
3. The cylinder head hydraulic clamp of claim 1, wherein: the slip table divide into two-layer about two-layer, and upper strata and lower floor all are provided with the leading wheel, and the upper strata is provided with the preliminary positioning round.
4. The cylinder head hydraulic clamp of claim 1, wherein: the main pressing mechanism is a corner hydraulic cylinder, and a piston rod of the corner hydraulic cylinder is provided with a corner pressing plate.
5. The cylinder head hydraulic clamp of claim 4, wherein: the corner hydraulic cylinders are distributed in an inverted triangle, two are arranged above, and one is arranged below and between the two upper corner hydraulic cylinders.
6. The cylinder head hydraulic clamp of claim 1, wherein: the auxiliary pressing mechanism is a lever hydraulic cylinder, a lever pressing plate is installed on a piston rod of the lever hydraulic cylinder, and a supporting point of the lever hydraulic cylinder is a flange supporting cylinder.
7. The cylinder head hydraulic clamp of claim 6, wherein: the lever hydraulic cylinders are distributed in a triangular shape, two of the lever hydraulic cylinders are arranged below the lever hydraulic cylinders, and the other lever hydraulic cylinder is arranged above the lever hydraulic cylinders and is positioned between the two lower lever hydraulic cylinders.
8. The cylinder head hydraulic clamp of claim 1, wherein: the positioning pin comprises a cylindrical pin and a diamond-shaped pin, and the cylindrical pin and the diamond-shaped pin are respectively installed on the positioning surface through an adjustable cylindrical pin seat and an adjustable diamond-shaped pin seat.
9. The cylinder head hydraulic clamp of claim 8, wherein: the adjustable cylindrical pin base comprises a fixed base, a transverse gasket, a vertical gasket and a pin base, wherein the pin base, the transverse gasket and the vertical gasket are all arranged on the fixed base, the transverse gasket and the vertical gasket are respectively positioned on two sides of the cylindrical pin base, and the cylindrical pin or the diamond-shaped pin is arranged on the pin base.
10. The cylinder head hydraulic clamp of claim 1, wherein: the base is further provided with a gas detection cushion block, a small hole is formed in the gas detection cushion block, and the small hole is connected with a gas tightness detection pressure switch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121053822.8U CN214722537U (en) | 2021-05-17 | 2021-05-17 | Hydraulic clamp for cylinder cover |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121053822.8U CN214722537U (en) | 2021-05-17 | 2021-05-17 | Hydraulic clamp for cylinder cover |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214722537U true CN214722537U (en) | 2021-11-16 |
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ID=78623113
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121053822.8U Active CN214722537U (en) | 2021-05-17 | 2021-05-17 | Hydraulic clamp for cylinder cover |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214722537U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114670042A (en) * | 2022-04-08 | 2022-06-28 | 无锡贝斯特精机股份有限公司 | Intelligent clamp and control system |
-
2021
- 2021-05-17 CN CN202121053822.8U patent/CN214722537U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114670042A (en) * | 2022-04-08 | 2022-06-28 | 无锡贝斯特精机股份有限公司 | Intelligent clamp and control system |
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