CN210889536U - Gas-liquid pressure cylinder with guiding function - Google Patents
Gas-liquid pressure cylinder with guiding function Download PDFInfo
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- CN210889536U CN210889536U CN201921592977.1U CN201921592977U CN210889536U CN 210889536 U CN210889536 U CN 210889536U CN 201921592977 U CN201921592977 U CN 201921592977U CN 210889536 U CN210889536 U CN 210889536U
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Abstract
The utility model discloses a gas-liquid pressure cylinder with direction function, including pre-compaction cylinder, pressure cylinder and the midbody of connecting pre-compaction cylinder and pressure cylinder, pre-compaction cylinder includes the pre-compaction cylinder body, sets up the piston rod in the pre-compaction cylinder body and sets firmly in the pre-compaction piston of piston rod, the both ends of pre-compaction cylinder body are provided with first flange and second flange respectively, be equipped with the inlet port on exhaust hole, the second flange on the first flange, the piston rod is worn out and be connected with the oil storage bucket on the midbody from first flange, the outer wall of pre-compaction cylinder slides and is provided with the direction slide rail that leads, the direction slide rail reciprocal slide and the flexible direction parallel arrangement of direction and piston rod that slide, direction slide rail and piston rod. The utility model has the advantages of it is following and effect: the utility model discloses can lead to the piston rod that removes to the design development cost and the reduction equipment volume that extension pressure cylinder's life, reduction need high accuracy direction machinery.
Description
Technical Field
The utility model relates to a pressurized cylinder technical field, in particular to gas-liquid pressurized cylinder with direction function.
Background
The booster cylinder is formed by integrally combining an oil pressure cylinder and a booster, and the low pressure of the air pressure is increased by tens of times by using the air pressure as power and utilizing the proportion of the sectional areas of the large piston and the small piston of the booster to supply the oil pressure cylinder for use so as to achieve the high pressure of the hydraulic cylinder.
The existing gas-liquid pressure cylinder has the disadvantages of low axial precision and small axial eccentric stress of a piston rod due to the production process and tolerance fit.
When the connection precision between the piston rod and the driven member is deviated, the piston rod can form lateral stress in the moving process (the stress direction of the piston rod and the moving direction of the piston rod are not on the axis of the piston rod), and local abrasion can be generated between the pre-pressing piston and the pre-pressing cylinder body, so that the sealing and the service life between the pre-pressing piston and the pre-pressing cylinder body are influenced. And the spare part of pressure cylinder itself has certain manufacturing, fit tolerance, if the tolerance is too big plus the lateral force on the piston rod, will further increase wearing and tearing to reduce pressure cylinder's life.
The modern advanced manufacturing process, most of cold stamping manufacturing and automation equipment need higher positioning precision, the guiding precision of the common gas-liquid pressure cylinder cannot meet the existing production process, and all the equipment needing high-precision positioning are additionally provided with a high-precision guiding sliding rail at the front end of the gas-liquid pressure cylinder, so that the equipment is increased in size, more in non-standard parts and long in design period.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a can prolong the life of pressurized cylinder, reduce equipment parts, reduce equipment volume, reduce automation equipment's design, production cycle, reach equipment integration, modularization, equipment fixing and maintenance more convenient gas-liquid pressurized cylinder with direction function.
The above technical purpose of the present invention can be achieved by the following technical solutions: the utility model provides a gas-liquid pressure cylinder with direction function, includes gas-liquid pressure cylinder body, gas-liquid pressure cylinder body includes pre-compaction cylinder, pressure cylinder and connects pre-compaction cylinder and pressure cylinder's midbody, pre-compaction cylinder includes the pre-compaction cylinder body, sets up the piston rod in the pre-compaction cylinder body and sets firmly in the pre-compaction piston of piston rod, the both ends of pre-compaction cylinder body are provided with first flange and second flange respectively, be equipped with the inlet port on exhaust hole, the second flange on the first flange, the piston rod is worn out and be connected with the oil storage bucket on the midbody from first flange, the outer wall of gas-liquid pressure cylinder body is provided with the direction slide rail that leads, the slip direction of direction slide rail and the flexible direction parallel arrangement of piston rod.
Through adopting above-mentioned technical scheme, slide and set up the direction slide rail that sets up in pre-compaction cylinder outer wall and play direction and limiting displacement to the piston rod in moving, avoid the yawing force that receives on the piston rod through the direction slide rail, avoid the motion deviation that the piston rod leads to because of the atress through the spacing of direction slide rail, improve the direction precision, improve the range of application to reduce the local wear that the pre-compaction piston caused in the motion process, prolong the life of pressurized cylinder.
Further setting the following steps: the guide sliding rails are arranged in a plurality of surrounding modes around the circle center of the piston rod, and the guide sliding rails are fixedly connected with the piston rod through connecting pieces.
Through adopting above-mentioned technical scheme, encircle the direction slide rail that sets up and can play better direction and limiting displacement to the piston rod to increase this guide structure's stability, make it carry out better bearing to the effort, thereby further reduce the atress on the piston rod, prolong the life of pressure cylinder, improve direction precision and axial eccentric atress.
Further setting the following steps: including setting firmly in the flange of pre-compaction cylinder, the direction slide rail is including setting up in the guide hole of flange and wearing to establish the slide bar of sliding fit with the guide hole, slide bar and piston rod fixed connection.
By adopting the technical scheme, the matching between the sliding rod and the guide hole plays a role in guiding the moving piston rod.
Further setting the following steps: the flanges are arranged in a plurality along the axial direction of the piston rod.
Through adopting above-mentioned technical scheme, the setting up of a plurality of flanges increases and leads the spacing area between the slide rail, further promotes this guide structure's stability.
Further setting the following steps: and the guide sleeve is fixedly arranged on the wall of the guide hole and is in sliding fit with the sliding rod.
Through adopting above-mentioned technical scheme, the area of contact between further increase and the slide bar of setting up of guide pin bushing to realize better direction and limiting displacement.
Further setting the following steps: the guide sleeve comprises a linear bearing.
Through adopting above-mentioned technical scheme, linear bearing realizes with the roll cooperation between the direction slide rail to reduce this guide structure's frictional resistance.
Further setting the following steps: the connecting piece is fixedly connected with the sliding rod and is in threaded connection with the piston rod.
Through adopting above-mentioned technical scheme, threaded connection's mode can realize leading the quick assembly between slide rail, connecting piece and the piston rod three.
Further setting the following steps: the supercharging cylinder comprises a supercharging cylinder body, a supercharging rod arranged in the supercharging cylinder body and a supercharging piston fixedly arranged on the supercharging rod, and a third flange and a fourth flange are arranged at two ends of the supercharging cylinder body respectively.
By adopting the technical scheme, the method has the advantages that,
further setting the following steps: the intermediate body comprises a cylinder body, a middle rod arranged in the cylinder body and a hydraulic piston fixedly arranged on the middle rod, the middle rod penetrates through a second flange to be fixedly connected with a piston rod, and the cylinder body is connected with a third flange and the second flange.
By adopting the technical scheme, the method has the advantages that,
further setting the following steps: including setting firmly in the flange of pre-compaction cylinder, the direction slide rail is including setting up in the slide rail of flange and with the slide rail complex sliding block that slides, sliding block and piston rod fixed connection.
Through adopting above-mentioned technical scheme, the cooperation between sliding block and the slide rail both plays the guide effect to the piston rod in the motion.
To sum up, the utility model discloses following beneficial effect has: the utility model discloses can lead to the piston rod that removes to the life of extension pressure cylinder, reduction equipment parts, reduction equipment volume, the design that reduces automation equipment, production cycle, reach equipment integration, modularization, equipment fixing and maintenance are more convenient.
Drawings
FIG. 1 is a sectional view of the first embodiment;
FIG. 2 is a sectional view showing another state of the embodiment;
fig. 3 is a schematic structural diagram of the second embodiment.
In the figure: 01. pre-pressing a cylinder body; 02. a piston rod; 03. prepressing the piston; 04. a first flange; 05. a second flange; 21. a pressurizing cylinder body; 22. a pressure increasing lever; 23. a booster piston; 24. a third flange; 25. a fourth flange; 31. a barrel; 32. a middle rod; 33. a hydraulic piston; 4. an exhaust hole; 5. an air inlet; 6. an oil storage barrel; 8. a connecting member; 9. a flange; 14. a guide hole; 11. a guide sleeve; 15. a slide bar; 16. a slide rail; 17. and (4) a sliding block.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Example one
Referring to fig. 1 and 2, a gas-liquid pressure cylinder with a guiding function includes a gas-liquid pressure cylinder body, the gas-liquid pressure cylinder body includes a pre-pressing cylinder body 01, a pressure cylinder and an intermediate body connecting the pre-pressing cylinder body and the pressure cylinder, and the pre-pressing cylinder includes a pre-pressing cylinder body 01, a piston rod 02 arranged in the pre-pressing cylinder body 01 and a pre-pressing piston 03 fixedly arranged on the piston rod 02. The both ends of pre-compaction cylinder body 01 are fixed respectively and are provided with first flange 04 and second flange 05, have seted up on first flange 04 and have seted up on exhaust hole 4, the second flange 05 inlet port 5, and piston rod 02 wears out from first flange 04. The pressurizing cylinder comprises a pressurizing cylinder body 21, a pressurizing rod 22 arranged in the pressurizing cylinder body 21 and a pressurizing piston 23 fixedly arranged on the pressurizing rod 22, and a third flange 24 and a fourth flange 25 are fixedly arranged at two ends of the pressurizing cylinder body 21 respectively.
The midbody comprises a cylinder 31, a middle rod 32 arranged in the cylinder 31 and a hydraulic piston 33 fixedly arranged on the middle rod 32, one end of the cylinder 31 is fixedly arranged on the third flange 24, the other end of the cylinder 31 is fixedly arranged on the second flange 05, and the middle rod 32 penetrates through the second flange 05 and is in threaded fixation with the piston rod 02. The middle rod 32 is in sealing sliding fit with the second flange 05, and the pressure increasing rod 22, the middle rod 32 and the piston rod 02 are coaxially arranged. One side of pressure cylinder is equipped with oil storage bucket 6, and oil storage bucket 6 and third flange 24 fixed connection and oil storage bucket 6 communicate with barrel 31 through third flange 24.
The flanges 9 are fixedly arranged on the outer walls of the first flange 04 and the second flange 05, the guide slide rail comprises a guide hole 14 formed in the flange 9 and a slide rod 15 which is in sliding fit with the guide hole 14 in a penetrating mode, the guide hole 14 is distributed in a surrounding mode around the circle center of the piston rod 02, and the axial direction of the guide hole 14 is parallel to the axial direction of the piston rod 02. The free end of the piston rod 02 is in threaded connection with a connecting piece 8, and the connecting piece 8 is fixedly connected with a sliding rod 15. The wall of the guide hole 14 is fixedly provided with a guide sleeve 11, the guide sleeve 11 is matched with the slide rod 15 and is in sliding fit with the slide rod, and the guide sleeve 11 can be a linear bearing.
Example two
Referring to fig. 3, the difference between the present embodiment and the first embodiment is that the guiding slide rail includes a slide rail 16 fixedly disposed on the flange 9 and a sliding block 17 slidably engaged with the slide rail 16, and the sliding block 17 is fixedly connected with the connecting member 8, so as to guide the moving piston rod 02.
The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications to the present embodiment without inventive contribution as required after reading the present specification, but all of them are protected by patent laws within the scope of the claims of the present invention.
Claims (10)
1. The utility model provides a gas-liquid pressure cylinder with direction function, includes gas-liquid pressure cylinder body, gas-liquid pressure cylinder body includes pre-compaction cylinder, pressure cylinder and connects pre-compaction cylinder and pressure cylinder's midbody, pre-compaction cylinder includes the pre-compaction cylinder body, sets up the piston rod in the pre-compaction cylinder body and sets firmly the pre-compaction piston in the piston rod, the both ends of pre-compaction cylinder body are provided with first flange and second flange respectively, be equipped with the inlet port on exhaust hole, the second flange on the first flange, the piston rod is worn out and is connected with the oil storage bucket on the midbody from first flange, its characterized in that: the outer wall of the gas-liquid pressure cylinder body is provided with a guide sliding rail, the sliding direction of the guide sliding rail is parallel to the telescopic direction of the piston rod, and the guide sliding rail is fixedly connected with the piston rod.
2. The gas-liquid pressure cylinder with a guide function according to claim 1, characterized in that: the guide sliding rails are arranged in a plurality of surrounding modes around the circle center of the piston rod, and the guide sliding rails are fixedly connected with the piston rod through connecting pieces.
3. The gas-liquid pressure cylinder with a guide function according to claim 1, characterized in that: including setting firmly in the flange of pre-compaction cylinder, the direction slide rail is including setting up in the guide hole of flange and wearing to establish the slide bar of sliding fit with the guide hole, slide bar and piston rod fixed connection.
4. The gas-liquid pressure cylinder with a guide function according to claim 3, characterized in that: the flanges are arranged in a plurality along the axial direction of the piston rod.
5. The gas-liquid pressure cylinder with a guide function according to claim 3, characterized in that: and the guide sleeve is fixedly arranged on the wall of the guide hole and is in sliding fit with the sliding rod.
6. The gas-liquid pressure cylinder with the guiding function according to claim 5, characterized in that: the guide sleeve comprises a linear bearing.
7. The gas-liquid pressure cylinder with the guiding function according to claim 2, characterized in that: the connecting piece is fixedly connected with the sliding rod and is in threaded connection with the piston rod.
8. The gas-liquid pressure cylinder with a guide function according to claim 1, characterized in that: the supercharging cylinder comprises a supercharging cylinder body, a supercharging rod arranged in the supercharging cylinder body and a supercharging piston fixedly arranged on the supercharging rod, and a third flange and a fourth flange are arranged at two ends of the supercharging cylinder body respectively.
9. The gas-liquid pressure cylinder with a guiding function according to claim 8, characterized in that: the intermediate body comprises a cylinder body, a middle rod arranged in the cylinder body and a hydraulic piston fixedly arranged on the middle rod, the middle rod penetrates through a second flange to be fixedly connected with a piston rod, and the cylinder body is connected with a third flange and the second flange.
10. The gas-liquid pressure cylinder with a guide function according to claim 1, characterized in that: including setting firmly in the flange of pre-compaction cylinder, the direction slide rail is including setting up in the slide rail of flange and with the slide rail complex sliding block that slides, sliding block and piston rod fixed connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921592977.1U CN210889536U (en) | 2019-09-24 | 2019-09-24 | Gas-liquid pressure cylinder with guiding function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921592977.1U CN210889536U (en) | 2019-09-24 | 2019-09-24 | Gas-liquid pressure cylinder with guiding function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210889536U true CN210889536U (en) | 2020-06-30 |
Family
ID=71314428
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921592977.1U Active CN210889536U (en) | 2019-09-24 | 2019-09-24 | Gas-liquid pressure cylinder with guiding function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210889536U (en) |
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2019
- 2019-09-24 CN CN201921592977.1U patent/CN210889536U/en active Active
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