CN214788326U - Jacking hydraulic cylinder for pipe upsetting machine - Google Patents
Jacking hydraulic cylinder for pipe upsetting machine Download PDFInfo
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- CN214788326U CN214788326U CN202121248107.XU CN202121248107U CN214788326U CN 214788326 U CN214788326 U CN 214788326U CN 202121248107 U CN202121248107 U CN 202121248107U CN 214788326 U CN214788326 U CN 214788326U
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Abstract
The utility model discloses a jack-in pneumatic cylinder for heading machine, include the cylinder and open two oil inlets one in chamber around the cylinder, the cylinder bottom is installed to the cylinder bottom, is equipped with hold-down mechanism on the cylinder bottom. The beneficial effects of the utility model are that, through being located to add less oil inlet two on the bearing, compress tightly through hydraulic pressure power between with cylinder end and the cylinder, not only simple and convenient but also light avoids compressing tightly cylinder and cylinder end simultaneously by the bearing, has reduced the processing degree of difficulty of bearing and cylinder.
Description
Technical Field
The utility model relates to a hydraulic pressure heading machine field specifically is a jack-in pneumatic cylinder for heading machine.
Background
The pipe upsetting machine is equipment for thickening the end of a heated pipe material by using hydraulic pressure. Through selecting different moulds and cores for use, the pipe material can be subjected to deformation processes such as internal thickening, external thickening and simultaneous internal and external thickening. The size of the upsetting force depends on the specification of the jacking hydraulic cylinder and the size of the system pressure.
In the past, a jacking hydraulic cylinder and a pipe header machine body are connected together through a super nut, a supporting seat, a pull rod and a cylinder bottom. The connection of these three parts requires the support seat to press the cylinder bottom and the cylinder barrel simultaneously, so that there is a problem of repeated positioning. Accurate repeated positioning is realized, the requirement on the machining precision of the part is high, and the method is not easy to realize generally. And if one location is not reached, it is difficult to find during the assembly process. In the later test process, when problems such as oil leakage and insufficient stroke of the jacking cylinder are gradually developed, the whole machine is disassembled, and the problem that positioning at a certain position is not realized is found. The processes of disassembly, assembly and repair consume a large amount of manpower and material resources, so that the manufacturing cost of the whole machine is greatly increased, and the quality is difficult to ensure.
SUMMERY OF THE UTILITY MODEL
To above defect, the utility model provides a jack-in pneumatic cylinder for pipe heading machine to solve the problem of the repeated positioning between supporting seat, the cylinder bottom and the cylinder.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a jacking hydraulic cylinder for a pipe upsetting machine comprises a cylinder barrel and two oil inlets I formed in a front cavity and a rear cavity of the cylinder barrel, wherein a cylinder bottom is installed at the bottom of the cylinder barrel, and a pressing mechanism is arranged on the cylinder bottom;
the pressing mechanism comprises an oil storage cavity, a supporting seat and a second oil inlet, the oil storage cavity is formed in the bottom of the cylinder bottom, the supporting seat is installed at the bottom of the cylinder bottom, and the second oil inlet is formed in the bottom of the supporting seat and communicated with the oil storage cavity.
Furthermore, a limiting groove is annularly formed in the front end of the second oil inlet, a sliding sleeve is movably mounted in the second oil inlet, a conical sealing head is mounted at the upper end of the sliding sleeve, a set of opposite oil inlet holes are formed in two sides of the upper end of the sliding sleeve, a fixed stop block is mounted at the rear end of the second oil inlet, a circular oil outlet hole is formed in the fixed stop block, a spring is mounted in the sliding sleeve, and the bottom of the spring is connected with the fixed stop block.
Furthermore, a piston rod is movably inserted in the cylinder barrel, and a piston is installed at the bottom of the piston rod.
Further, the supporting seat is connected with the cylinder bottom through 24 screws.
Furthermore, two groups of super nuts are arranged on the periphery of the bottom of the supporting seat.
The utility model provides a jack-in pneumatic cylinder for heading machine possesses following beneficial effect, through being located to add less oil inlet two on the bearing, compresses tightly between bottom of cylinder and the cylinder through hydraulic pressure power, and is not only simple and convenient but also light, avoids compressing tightly cylinder and bottom of cylinder simultaneously by the bearing, has reduced the processing degree of difficulty of bearing and cylinder.
Drawings
Fig. 1 is the utility model discloses a top advances pneumatic cylinder schematic diagram for heading machine.
Fig. 2 is the utility model discloses a top advances pneumatic cylinder right side view for heading machine.
Figure 3 is the second enlarged view of the oil inlet of the utility model.
In the figure: 1. a cylinder barrel; 2. an oil inlet I; 3. a cylinder bottom; 4. an oil storage chamber; 5. a supporting seat; 6. an oil inlet II; 7. a limiting groove; 8. a sliding sleeve; 9. a conical sealing head; 10. an oil inlet hole; 11. fixing a stop block; 12. a circular oil outlet hole; 13. a spring; 14. a piston rod; 15. a piston; 16. a screw; 17. and (4) a super nut.
Detailed Description
The invention is described in detail below with reference to the accompanying drawings, as shown in fig. 1-3: a jacking hydraulic cylinder for a pipe upsetting machine comprises a cylinder barrel 1 and two oil inlets I2 formed in front and rear cavities of the cylinder barrel 1, wherein a cylinder bottom 3 is mounted at the bottom of the cylinder barrel 1, and a pressing mechanism is arranged on the cylinder bottom 3; the pressing mechanism comprises an oil storage cavity 4, a supporting seat 5 and a second oil inlet 6, the oil storage cavity 4 is arranged at the bottom of the cylinder bottom 3, the supporting seat 5 is arranged at the bottom of the cylinder bottom 3, and the second oil inlet 6 is arranged at the bottom of the supporting seat 5 and communicated with the oil storage cavity 4; a limiting groove 7 is annularly formed in the front end of the inner side of the oil inlet II 6, a sliding sleeve 8 is movably mounted in the oil inlet II 6, a conical sealing head 9 is mounted at the upper end of the sliding sleeve 8, a group of opposite oil inlet holes 10 are formed in two sides of the upper end of the sliding sleeve 8, a fixed stop block 11 is mounted at the rear end of the inner side of the oil inlet II 6, a circular oil outlet hole 12 is formed in the fixed stop block 11, a spring 13 is mounted in the sliding sleeve 8, and the bottom of the spring 13 is connected with the fixed stop block 11; a piston rod 14 is movably inserted in the cylinder barrel 1, and a piston 15 is installed at the bottom of the piston rod 14; the supporting seat 5 is connected with the cylinder bottom 3 through 24 screws 16; two groups of super nuts 17 are arranged on the periphery of the bottom of the supporting seat 5.
The working principle of the embodiment is as follows: after the preassembling of each part of the pipe upsetting machine is finished, oil is supplied through the oil inlet II 6, the limiting groove 7 is annularly formed at the front end in the oil inlet II 6, the sliding sleeve 8 is movably installed in the oil inlet II 6, the conical sealing head 9 is installed at the upper end of the sliding sleeve 8, a group of opposite oil inlet holes 10 are formed in two sides of the upper end of the sliding sleeve 8, the fixed stop block 11 is installed at the rear end in the oil inlet II 6, the circular oil outlet hole 12 is formed in the fixed stop block 11, the spring 13 is installed in the sliding sleeve 8, the bottom of the spring 13 is connected with the fixed stop block 11, as shown in figure 3, when the oil is supplied through the oil inlet II 6, the conical sealing head 9 is stressed to compress the spring 13 backwards, at the moment, the oil inlet II 6, the limiting groove 7, the group of opposite oil inlet holes 10 and the circular oil outlet hole 12 are communicated, hydraulic oil flows into the oil storage cavity 4 to enable the cylinder bottom 3 to be tightly pressed with the cylinder barrel 1, one-position positioning is realized, and after the oil supply through the oil inlet II 6 is finished, the spring 13 drives the conical sealing head 9 to reset, at the moment, the second oil inlet 6, the limiting groove 7, the group of opposite oil inlet holes 10 and the circular oil outlet hole 12 are closed to prevent hydraulic oil in the oil storage cavity 4 from flowing out, then the support 5 is connected with the cylinder bottom 3 through 24 screws, after the support 5 and the cylinder bottom 3 are screwed down, the support 5 and the cylinder bottom 3 are pressed tightly, namely, the second position is positioned, finally the super screw 17 is screwed to the required screwing torque, the smaller oil inlet second 6 is additionally arranged on the support 5, the cylinder bottom 3 and the cylinder barrel 1 are pressed tightly through hydraulic pressure, the cylinder barrel 1 and the cylinder barrel 3 are prevented from being simultaneously pressed by the support 5, and the processing difficulty of the support 5 and the cylinder barrel 1 is reduced.
Above-mentioned technical scheme has only embodied the utility model discloses technical scheme's preferred technical scheme, some changes that this technical field's technical personnel probably made to some parts wherein have all embodied the utility model discloses a principle belongs to within the protection scope of the utility model.
Claims (5)
1. A jacking hydraulic cylinder for a pipe heading machine comprises a cylinder barrel (1) and two oil inlets I (2) which are formed in front and rear cavities of the cylinder barrel (1), and is characterized in that a cylinder bottom (3) is mounted at the bottom of the cylinder barrel (1), and a pressing mechanism is arranged on the cylinder bottom (3);
hold-down mechanism includes oil storage chamber (4), supporting seat (5) and oil inlet two (6), oil storage chamber (4) are opened in cylinder end (3) bottom, install in cylinder end (3) bottom supporting seat (5), oil inlet two (6) are opened in supporting seat (5) bottom, and communicate with oil storage chamber (4).
2. The jacking hydraulic cylinder for the pipe heading machine according to claim 1, wherein a limiting groove (7) is annularly formed in the front end of the second oil inlet (6), a sliding sleeve (8) is movably mounted in the second oil inlet (6), a conical sealing head (9) is mounted at the upper end of the sliding sleeve (8), a set of opposite oil inlet holes (10) are formed in two sides of the upper end of the sliding sleeve (8), a fixed stop block (11) is mounted at the rear end of the second oil inlet (6), a circular oil outlet hole (12) is formed in the fixed stop block (11), a spring (13) is mounted in the sliding sleeve (8), and the bottom of the spring (13) is connected with the fixed stop block (11).
3. The jacking hydraulic cylinder for the pipe heading machine according to claim 1, wherein a piston rod (14) is movably inserted into the cylinder barrel (1), and a piston (15) is installed at the bottom of the piston rod (14).
4. The jacking hydraulic cylinder for a pipe heading machine according to claim 1, wherein the support base (5) and the cylinder bottom (3) are connected by 24 screws (16).
5. The jacking hydraulic cylinder for a pipe heading machine according to claim 1, wherein two sets of super nuts (17) are installed around the bottom of the support base (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121248107.XU CN214788326U (en) | 2021-06-05 | 2021-06-05 | Jacking hydraulic cylinder for pipe upsetting machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121248107.XU CN214788326U (en) | 2021-06-05 | 2021-06-05 | Jacking hydraulic cylinder for pipe upsetting machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214788326U true CN214788326U (en) | 2021-11-19 |
Family
ID=78701436
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121248107.XU Active CN214788326U (en) | 2021-06-05 | 2021-06-05 | Jacking hydraulic cylinder for pipe upsetting machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214788326U (en) |
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2021
- 2021-06-05 CN CN202121248107.XU patent/CN214788326U/en active Active
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