CN219795736U - Hydraulic press plunger cylinder return stroke mechanism - Google Patents
Hydraulic press plunger cylinder return stroke mechanism Download PDFInfo
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- CN219795736U CN219795736U CN202320857277.0U CN202320857277U CN219795736U CN 219795736 U CN219795736 U CN 219795736U CN 202320857277 U CN202320857277 U CN 202320857277U CN 219795736 U CN219795736 U CN 219795736U
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- return
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- cylinder body
- plunger
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- 230000007246 mechanism Effects 0.000 title claims abstract description 11
- 238000007789 sealing Methods 0.000 claims description 19
- 239000007788 liquid Substances 0.000 description 13
- 239000010720 hydraulic oil Substances 0.000 description 7
- 238000004519 manufacturing process Methods 0.000 description 4
- 239000003921 oil Substances 0.000 description 4
- 238000005242 forging Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
Abstract
The utility model provides a plunger cylinder return mechanism of a hydraulic machine, which relates to the technical field of hydraulic machines and comprises a frame, a main cylinder body, a return beam and a pull rod, wherein the main cylinder body is arranged in the frame; according to the utility model, the four return cylinder bodies are arranged outside the main cylinder body, and the reciprocating motion of the return cylinder plunger rod is utilized to drive the pull rod connected with the main cylinder plunger to reciprocate, so that the main cylinder plunger is driven to reciprocate in the main cylinder body, and the four groups of return cylinder bodies are uniformly arranged outside the main cylinder body, so that the return motion of the main cylinder plunger is stable and rapid.
Description
Technical Field
The utility model relates to the technical field of hydraulic presses, in particular to a return mechanism of a plunger cylinder of a hydraulic press.
Background
The large-scale oil cylinder of the multidirectional hydraulic forging press adopts a plunger type oil cylinder, and a piston is not arranged, so that the hydraulic forging press is convenient to maintain, and a return structure is required to be designed. At present, the plunger type oil cylinder of the existing multidirectional hydraulic forging press is not fast in return control, and the main cylinder is large in size and high in manufacturing cost. Therefore, the utility model provides a return mechanism of a plunger cylinder of a hydraulic machine, which aims to solve the defects in the prior art.
Disclosure of Invention
In view of the above problems, the present utility model aims to provide a return mechanism for a plunger cylinder of a hydraulic machine, wherein four return cylinder bodies are arranged on the outer side of a main cylinder body, and a pull rod connected with the plunger piston of the main cylinder is driven to reciprocate by the reciprocating motion of a return cylinder plunger rod, so that the main cylinder plunger is driven to reciprocate in the main cylinder body, and four groups of return cylinder bodies are uniformly arranged on the outer side of the main cylinder body, so that the return motion of the plunger piston of the main cylinder is stable and rapid.
In order to achieve the above purpose, the present utility model provides the following technical solutions:
the return mechanism of the plunger cylinder of the hydraulic machine comprises a frame, a main cylinder body, a return beam and a pull rod, wherein the main cylinder body is arranged in the frame, a main cylinder plunger is arranged in the main cylinder body, a main cylinder inlet and outlet are formed in the main cylinder body, the return beam is arranged outside the frame, the return cylinder body is arranged outside the main cylinder body in the frame, the return cylinder plunger rod is arranged in the return cylinder body, one end of the return cylinder plunger rod extends out of the frame and is connected with the return beam, the pull rod is arranged on the return beam, one end of the pull rod is connected with the main cylinder plunger, and a return cylinder inlet and outlet are formed in the return cylinder body;
the four groups of return cylinder bodies are uniformly arranged at four corners of the outer side of the main cylinder body;
three groups of main cylinder inlets and outlets are arranged, and all three groups of main cylinder inlets and outlets are communicated with the inside of the main cylinder body;
the master cylinder body is provided with a mounting hole, the pull rod is positioned in the mounting hole, the outer side of the pull rod is provided with a sealing sleeve, the inner side of the sealing sleeve is provided with a sealing ring, and the pull rod is in sealing connection with the mounting hole through the sealing sleeve;
the return beam body is provided with a threaded hole, one end of the pull rod is in threaded connection with the threaded hole, and the pull rod is fixed with the return beam body through a nut;
two-way electromagnetic valves are arranged on the main cylinder inlet and outlet and the return cylinder inlet and outlet;
the frame is internally provided with a main cylinder area and a return cylinder area, the return cylinder areas are provided with four, the main cylinder body is arranged in the main cylinder area, and four groups of return cylinder bodies are respectively arranged in the four return cylinder areas.
The beneficial effects of the utility model are as follows: according to the utility model, the four return cylinder bodies are arranged on the outer side of the main cylinder body, the reciprocating motion of the return cylinder plunger rod is utilized to drive the pull rod connected with the main cylinder plunger to reciprocate, so that the main cylinder plunger is driven to reciprocate in the main cylinder body, the four groups of return cylinder bodies are uniformly arranged on the outer side of the main cylinder body, the return motion of the main cylinder plunger can be stable and rapid, the main cylinder body and the return cylinder body are separately arranged, the main cylinder body volume can be greatly reduced, and the manufacturing cost is obviously reduced.
Drawings
FIG. 1 is a schematic diagram of the front view of the structure of the present utility model;
fig. 2 is a schematic top view of the structure of the present utility model.
Wherein: 1. a frame; 2. a master cylinder body; 3. a return cylinder body; 4. a return beam; 5. a pull rod; 6. a master cylinder plunger; 7. a master cylinder inlet and outlet; 8. a return cylinder plunger rod; 9. a liquid inlet and a liquid outlet of the return cylinder; 10. sealing sleeve; 11. a seal ring; 12. a nut; 13. a master cylinder region; 14. and a return cylinder zone.
Detailed Description
The present utility model will be further described in detail with reference to the following examples, which are only for the purpose of illustrating the utility model and are not to be construed as limiting the scope of the utility model.
Example 1
According to the illustration of fig. 1-2, this embodiment provides a hydraulic press plunger cylinder return mechanism, including frame 1, main cylinder body 2, return cylinder body 3, return beam 4 and pull rod 5, the inside main cylinder body 2 that is equipped with of frame 1, the inside master cylinder plunger 6 that is equipped with of main cylinder body 2, be equipped with master cylinder inlet and outlet 7 on the main cylinder body 2, the frame 1 outside is equipped with return beam 4, the inside main cylinder body 2 outside of frame 1 is equipped with return cylinder body 3, the inside return cylinder plunger rod 8 that is equipped with of return cylinder body 3, return cylinder plunger rod 8 one end extends frame 1 and is connected with return beam 4, be equipped with pull rod 5 on the return beam 4, pull rod 5 one end is connected with master cylinder plunger 6, be equipped with return cylinder business turn over liquid mouth 9 on the return cylinder body 3.
When the return mechanism of the plunger cylinder of the hydraulic machine operates, hydraulic oil enters the return cylinder body 3 from the return cylinder liquid inlet and outlet 9, then the return cylinder plunger rod 8 is extruded to move, the return cylinder plunger rod 8 moves and drives the return beam 4 to move in the same direction, at the moment, the pull rod 5 connected with the return beam 4 pulls the main cylinder plunger 6 to move, hydraulic oil in the main cylinder body 2 is extruded from the main cylinder liquid inlet and outlet 7 when the main cylinder plunger 6 moves, and when the return mechanism reciprocates, the return cylinder plunger rod 8 resets and can extrude the hydraulic oil in the return cylinder body 3, so that the hydraulic oil is discharged from the return cylinder liquid inlet and outlet 9, and at the moment, the main cylinder plunger 6 moves to suck the hydraulic oil into the main cylinder body from the main cylinder liquid inlet and outlet 7.
The four groups of return cylinder bodies 3 are arranged, and the four groups of return cylinder bodies 3 are uniformly arranged at four corners of the outer side of the main cylinder body 2. The master cylinder inlet and outlet ports 7 are provided with three groups, and the three groups of master cylinder inlet and outlet ports 7 are communicated with the inside of the master cylinder body 2. The main cylinder plunger 6 is driven to reciprocate by the four groups of return cylinder bodies 3, so that the operation stability and the rapidity of the main cylinder plunger 6 are high, the three groups of main cylinder liquid inlets and outlets 7 can realize rapid suction and discharge of hydraulic oil, and the four groups of return cylinder bodies 3 and the return cylinder liquid inlets and outlets 9 on the return cylinder bodies 3 are matched to realize efficient return control.
The master cylinder body 2 is provided with a mounting hole, the pull rod 5 is positioned in the mounting hole, the outer side of the pull rod 5 is provided with a sealing sleeve 10, the inner side of the sealing sleeve 10 is provided with a sealing ring 11, the pull rod 5 is in sealing connection with the mounting hole through the sealing sleeve 10, the pull rod and the master cylinder body 2 can be in sealing connection through the sealing sleeve 10 and the sealing ring 11, hydraulic oil is prevented from overflowing from the mounting hole, and the service life of a plunger cylinder of a hydraulic machine is prolonged.
The return beam 4 body is provided with a threaded hole, one end of the pull rod 5 is in threaded connection with the threaded hole, and the pull rod 5 is fixed with the return beam 4 body through a nut 12.
And the main cylinder liquid inlet and outlet 7 and the return cylinder liquid inlet and outlet 9 are respectively provided with a two-way electromagnetic valve, and the two-way electromagnetic valves are used for controlling the oil inlet and outlet actions of the main cylinder liquid inlet and outlet 7 and the return cylinder liquid inlet and outlet 9 in the reciprocating motion.
The inside master cylinder district 13 and the return stroke jar district 14 that is equipped with of frame 1, the return stroke jar district 14 is equipped with four, the master cylinder body 2 is installed in the master cylinder district 13 inside, four sets of return stroke jar body 3 are installed respectively in four the return stroke jar district 14 is inside, and partition installation master cylinder body 2 and return stroke jar body 3 can make master cylinder body 2 diminish in volume, and then makes manufacturing degree of difficulty and cost reduction.
According to the utility model, the four return cylinder bodies 3 are arranged on the outer side of the main cylinder body 2, the pull rod 5 connected with the main cylinder plunger 6 is driven to reciprocate by the reciprocating motion of the return cylinder plunger rod 8, so that the main cylinder plunger 6 is driven to reciprocate in the main cylinder body 2, the four groups of return cylinder bodies 3 are uniformly arranged on the outer side of the main cylinder body 2, the return motion of the main cylinder plunger 6 can be stable and rapid, and the main cylinder body 2 and the return cylinder body 3 are separately arranged, so that the volume of the main cylinder body 2 can be greatly reduced, and the manufacturing cost is obviously reduced.
The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.
Claims (1)
1. The utility model provides a hydraulic press plunger jar return stroke mechanism which characterized in that: the novel hydraulic pressure type hydraulic pressure control device comprises a frame (1), a main cylinder body (2), a return cylinder body (3), a return beam (4) and a pull rod (5), wherein the main cylinder body (2) is arranged in the frame (1), a main cylinder plunger (6) is arranged in the main cylinder body (2), a main cylinder inlet and outlet (7) is formed in the main cylinder body (2), the return beam (4) is arranged on the outer side of the frame (1), the return cylinder body (3) is arranged on the outer side of the main cylinder body (2) in the frame (1), the return cylinder plunger rod (8) is arranged in the return cylinder body (3), one end of the return cylinder plunger rod (8) extends out of the frame (1) and is connected with the return beam (4), the pull rod (5) is arranged on the return beam (4), one end of the pull rod (5) is connected with the main cylinder plunger (6), and the return cylinder body (3) is provided with a return cylinder inlet and outlet (9).
Four groups of return cylinder bodies (3) are arranged, and the four groups of return cylinder bodies (3) are uniformly arranged at four corners of the outer side of the main cylinder body (2);
three groups of main cylinder inlets and outlets (7) are arranged, and the three groups of main cylinder inlets and outlets (7) are communicated with the inside of the main cylinder body (2);
the master cylinder is characterized in that a mounting hole is formed in the master cylinder body (2), the pull rod (5) is positioned in the mounting hole, a sealing sleeve (10) is arranged on the outer side of the pull rod (5), a sealing ring (11) is arranged on the inner side of the sealing sleeve (10), and the pull rod (5) is in sealing connection with the mounting hole through the sealing sleeve (10);
the return beam (4) body is provided with a threaded hole, one end of the pull rod (5) is in threaded connection with the threaded hole, and the pull rod (5) is fixed with the return beam (4) body through a nut (12);
two-way electromagnetic valves are arranged on the main cylinder inlet and outlet (7) and the return cylinder inlet and outlet (9);
the novel hydraulic cylinder is characterized in that a main cylinder area (13) and a return cylinder area (14) are arranged in the frame (1), four return cylinder areas (14) are arranged, the main cylinder body (2) is arranged in the main cylinder area (13), and four groups of return cylinder bodies (3) are respectively arranged in the four return cylinder areas (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320857277.0U CN219795736U (en) | 2023-04-10 | 2023-04-10 | Hydraulic press plunger cylinder return stroke mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320857277.0U CN219795736U (en) | 2023-04-10 | 2023-04-10 | Hydraulic press plunger cylinder return stroke mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219795736U true CN219795736U (en) | 2023-10-03 |
Family
ID=88151421
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320857277.0U Active CN219795736U (en) | 2023-04-10 | 2023-04-10 | Hydraulic press plunger cylinder return stroke mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219795736U (en) |
-
2023
- 2023-04-10 CN CN202320857277.0U patent/CN219795736U/en active Active
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