CN220286108U - Hydraulic punching and shearing machine and hydraulic cylinder thereof - Google Patents
Hydraulic punching and shearing machine and hydraulic cylinder thereof Download PDFInfo
- Publication number
- CN220286108U CN220286108U CN202321991209.XU CN202321991209U CN220286108U CN 220286108 U CN220286108 U CN 220286108U CN 202321991209 U CN202321991209 U CN 202321991209U CN 220286108 U CN220286108 U CN 220286108U
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- hydraulic cylinder
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- 238000010008 shearing Methods 0.000 title claims abstract description 60
- 238000004080 punching Methods 0.000 title claims abstract description 39
- 238000007789 sealing Methods 0.000 claims abstract description 30
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 4
- 238000009434 installation Methods 0.000 claims description 16
- 238000005728 strengthening Methods 0.000 abstract description 5
- 238000000034 method Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000010720 hydraulic oil Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Shearing Machines (AREA)
Abstract
The utility model discloses a hydraulic punching and shearing machine and a hydraulic cylinder thereof, wherein a cavity with one end open is arranged in a cylinder barrel, a sealing end cover is arranged at the open end of the cavity, one end of a piston rod penetrates through the sealing end cover to extend into the cylinder barrel, and the piston body is arranged on the piston rod and is in sealing fit with the inner wall of the cylinder barrel; the cylinder is kept away from sealed end cover one end and is equipped with two connecting portions, two connecting portions outwards stretch out and relative interval arrangement from the cylinder, form the strengthening rib along the radial extension of cylinder between two connecting portions. Through the hydraulic cylinder for the hydraulic punching and shearing machine of the optimal design, the hydraulic cylinder is reasonable in structural design, is installed through two connecting parts, is good in connection reliability with the whole machine, and the mechanical strength is further improved through the design of the reinforcing ribs.
Description
Technical Field
The utility model relates to the technical field of hydraulic punching and shearing machines, in particular to a hydraulic punching and shearing machine and a hydraulic cylinder thereof.
Background
The hydraulic punching and shearing machine is widely used for manufacturing enterprises of civil facilities such as steel structure processing, storage shelves, high-voltage wire towers, telecommunication towers, street lamps, advertising signs, elevators, ventilating ducts and the like. According to the requirements of the use environment, the large punching shear arm is hoisted to meet the punching shear position requirements of different working conditions. When the hydraulic cylinder works, the hydraulic cylinder is required to be arranged on the punching shear arm to push the punching shear arm to shear through hydraulic pressure. However, the conventional hydraulic cylinder has small force, poor reliability and short service life.
Disclosure of Invention
In order to solve the technical problems in the background art, the utility model provides a hydraulic punching and shearing machine and a hydraulic cylinder thereof.
The utility model provides a hydraulic cylinder for a hydraulic punching and shearing machine, which comprises the following components: a cylinder barrel, a piston rod and a piston body;
the cylinder barrel is internally provided with a cavity with one end open, the open end of the cavity is provided with a sealing end cover, one end of a piston rod penetrates through the sealing end cover to extend into the cylinder barrel, and the piston body is arranged on the piston rod and is in sealing fit with the inner wall of the cylinder barrel; the cylinder is kept away from sealed end cover one end and is equipped with two connecting portions, two connecting portions outwards stretch out and relative interval arrangement from the cylinder, form the strengthening rib along the radial extension of cylinder between two connecting portions.
Preferably, one end that the piston rod is located the cylinder is equipped with the installation department that is used for installing the piston body, and the piston body middle part is equipped with the installation opening, and the piston body passes through the installation opening cover is established on the installation department, the installation opening inner wall be equipped with installation department complex inner seal ring, the piston body outer wall be equipped with cylinder inner wall complex outer seal ring.
Preferably, a mounting step is formed on the mounting part, and the piston body abuts against the mounting step.
Preferably, the mounting part is provided with a fastener, and the fastener is positioned on one side of the piston body away from the mounting step and used for limiting the piston body.
Preferably, the side of the piston body remote from the mounting step is provided with a receiving groove for receiving a fastener.
Preferably, the outer wall of the piston body forms a secondary limiting step along the mounting step towards the direction of the sealing end cover, a supporting sleeve is sleeved outside the piston body, and two ends of the supporting sleeve respectively abut against the sealing body and the secondary limiting step.
Preferably, the cylinder tube further comprises a hinge shaft which is arranged along the radial direction of the cylinder tube, and two ends of the hinge shaft are respectively arranged on the two connecting parts.
According to the hydraulic cylinder for the hydraulic punching and shearing machine, a cavity with one end open is formed in a cylinder barrel, a sealing end cover is arranged at the open end of the cavity, one end of a piston rod penetrates through the sealing end cover to extend into the cylinder barrel, and the piston body is arranged on the piston rod and is in sealing fit with the inner wall of the cylinder barrel; the cylinder is kept away from sealed end cover one end and is equipped with two connecting portions, two connecting portions outwards stretch out and relative interval arrangement from the cylinder, form the strengthening rib along the radial extension of cylinder between two connecting portions. Through the hydraulic cylinder for the hydraulic punching and shearing machine of the optimal design, the hydraulic cylinder is reasonable in structural design, is installed through two connecting parts, is good in connection reliability with the whole machine, and the mechanical strength is further improved through the design of the reinforcing ribs.
The utility model also provides a hydraulic punching and shearing machine, which comprises the hydraulic cylinder.
Preferably, the device also comprises an upper shearing arm, a lower shearing arm, a driving arm and a connecting rod;
the top of the upper shearing arm is provided with a hoisting part, the lower shearing arm is positioned below the upper shearing arm, one end of the lower shearing arm is hinged with the upper shearing arm, the driving arm and the hydraulic cylinder are positioned below the lower shearing arm, the first end of the driving arm is hinged with the free end of the lower shearing arm, the hydraulic cylinder is positioned on one side of the second end of the driving arm, two ends of the hydraulic cylinder are respectively hinged with the second end of the driving arm and the lower shearing arm, the connecting rod is positioned above the driving arm, and two ends of the connecting rod are respectively hinged with the middle part of the driving arm and the free end of the upper shearing arm.
According to the hydraulic punching and shearing machine, the mounting positions and the hinging positions of the upper shearing arm, the lower shearing arm, the driving arm, the connecting rod and the hydraulic cylinder are optimally designed, so that the reliability of hoisting operation is ensured, the load of the hydraulic cylinder during shearing is reduced, and the service life of the hydraulic punching and shearing machine is further prolonged.
Drawings
Fig. 1 is a schematic structural view of an embodiment of a hydraulic cylinder for a hydraulic punching and shearing machine according to the present utility model.
Fig. 2 is a schematic partial sectional view of an embodiment of a hydraulic cylinder for a hydraulic punching and shearing machine according to the present utility model.
Fig. 3 is a schematic structural diagram of an embodiment of a hydraulic punching and shearing machine according to the present utility model.
Detailed Description
Fig. 1 to 3 show a schematic structural view of an embodiment of a hydraulic cylinder for a hydraulic punching and shearing machine according to the present utility model, fig. 2 is a schematic partial sectional view of an embodiment of a hydraulic cylinder for a hydraulic punching and shearing machine according to the present utility model, and fig. 3 is a schematic structural view of an embodiment of a hydraulic punching and shearing machine according to the present utility model.
Referring to fig. 1 and 2, a hydraulic cylinder for a hydraulic punching and shearing machine according to the present utility model includes: a cylinder barrel 1, a piston rod 2 and a piston body 3;
the inside of the cylinder barrel 1 is provided with a cavity with one end open, the open end of the cavity is provided with a sealing end cover 4, one end of a piston rod 2 penetrates through the sealing end cover 4 to extend into the cylinder barrel 1, and a piston body 3 is arranged on the piston rod 2 and is in sealing fit with the inner wall of the cylinder barrel 1; the cylinder 1 is kept away from sealed end cover 4 one end and is equipped with two connecting portions 11, two connecting portions 11 outwards stretch out from cylinder 1 and relative interval arrangement, form the strengthening rib 12 that extends along cylinder 1 radial between two connecting portions 11.
In the embodiment, the hydraulic punching and shearing machine and the hydraulic cylinder thereof are provided, a cavity with one end open is arranged in the cylinder barrel, a sealing end cover is arranged at the open end of the cavity, one end of a piston rod penetrates through the sealing end cover to extend into the cylinder barrel, and the piston body is arranged on the piston rod and is in sealing fit with the inner wall of the cylinder barrel; the cylinder is kept away from sealed end cover one end and is equipped with two connecting portions, two connecting portions outwards stretch out and relative interval arrangement from the cylinder, form the strengthening rib along the radial extension of cylinder between two connecting portions. Through the hydraulic cylinder for the hydraulic punching and shearing machine of the optimal design, the hydraulic cylinder is reasonable in structural design, is installed through two connecting parts, is good in connection reliability with the whole machine, and the mechanical strength is further improved through the design of the reinforcing ribs.
In the actual punching shear working process, the hydraulic cylinder has large load force, and the sealing fit reliability of the piston body and the cylinder barrel of the hydraulic cylinder is required to be high. Therefore, in a specific embodiment, an installation part for installing the piston body 3 is arranged at one end of the piston rod 2 in the cylinder barrel 1, an installation opening is arranged in the middle of the piston body 3, the piston body 3 is sleeved on the installation part through the installation opening, an inner sealing ring 51 matched with the installation part is arranged on the inner wall of the installation opening, and an outer sealing ring 52 matched with the inner wall of the cylinder barrel 1 is arranged on the outer wall of the piston body 3.
Further, a mounting step is formed on the mounting portion, and the piston body 3 abuts against the mounting step. Further, the mounting part is provided with a fastening piece 6, and the fastening piece 6 is positioned on one side of the piston body 3 away from the mounting step and used for limiting the piston body 3. Through fastener and installation step, guarantee piston body and piston rod installation stability. In practical design, the fasteners can be matched by bolts or bolts and nuts.
In a further embodiment, the side of the piston body 3 remote from the mounting step is provided with a receiving groove for receiving the fastening member 6.
Because the diameter of the piston body is greater than that of the piston rod, in order to avoid the piston rod to repeatedly move, the part of the piston body extending out of the piston rod deforms, the outer wall of the piston body 3 is provided with a second-level limiting step along the direction from the mounting step to the sealing end cover 4, the outside of the piston body 3 is also sleeved with a supporting sleeve 7, and two ends of the supporting sleeve 7 respectively lean against the sealing body and the second-level limiting step, and the middle part of the piston body is supported by the supporting sleeve.
In other embodiments, the hydraulic cylinder of the present embodiment further includes a hinge shaft 8, and the hinge shaft 8 is disposed along the radial direction of the cylinder tube 1 and both ends are respectively mounted on the two connection portions 11.
Referring to fig. 3, this embodiment further provides a hydraulic punching and shearing machine, including the hydraulic cylinder described above. Specifically, the device further comprises an upper shear arm 10, a lower shear arm 20, a driving arm 30 and a connecting rod 40;
the top of the upper shear arm 10 is provided with a hoisting part, the lower shear arm 20 is positioned below the upper shear arm 10, one end of the lower shear arm is hinged with the upper shear arm 10, the driving arm 30 and the hydraulic cylinder are positioned below the lower shear arm 20, the first end of the driving arm 30 is hinged with the free end of the lower shear arm 20, the hydraulic cylinder is positioned at one side of the second end of the driving arm 30, two ends of the hydraulic cylinder are respectively hinged with the second end of the driving arm 30 and the lower shear arm 20, the connecting rod 40 is positioned above the driving arm 30, and two ends of the connecting rod 40 are respectively hinged with the middle part of the driving arm 30 and the free end of the upper shear arm 10.
In the working process of the hydraulic punching and shearing machine, hydraulic oil is injected into the cylinder barrel, the piston rod stretches to push the driving arm to rotate, the second end of the driving arm pushes the free end of the lower shearing arm to rotate upwards, and the upper shearing arm and the lower shearing arm are matched to shear.
In the actual installation of the hydraulic cylinder, the cylinder is articulated with the lower scissor arm or the driving arm through two connecting parts and an articulated shaft.
The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.
Claims (9)
1. A hydraulic cylinder for a hydraulic punching and shearing machine, comprising: a cylinder barrel (1), a piston rod (2) and a piston body (3);
the cylinder barrel (1) is internally provided with a cavity with one end open, the open end of the cavity is provided with a sealing end cover (4), one end of the piston rod (2) penetrates through the sealing end cover (4) to extend into the cylinder barrel (1), and the piston body (3) is arranged on the piston rod (2) and is in sealing fit with the inner wall of the cylinder barrel (1); one end of the cylinder barrel (1) far away from the sealing end cover (4) is provided with two connecting parts (11), the two connecting parts (11) extend outwards from the cylinder barrel (1) and are oppositely arranged at intervals, and reinforcing ribs (12) extending along the radial direction of the cylinder barrel (1) are formed between the two connecting parts (11).
2. The hydraulic cylinder for the hydraulic punching and shearing machine according to claim 1, wherein one end of the piston rod (2) positioned in the cylinder barrel (1) is provided with a mounting part for mounting the piston body (3), the middle part of the piston body (3) is provided with a mounting opening, the piston body (3) is sleeved on the mounting part through the mounting opening, the inner wall of the mounting opening is provided with an inner sealing ring (51) matched with the mounting part, and the outer wall of the piston body (3) is provided with an outer sealing ring (52) matched with the inner wall of the cylinder barrel (1).
3. The hydraulic cylinder for a hydraulic punching and shearing machine according to claim 2, characterized in that a mounting step is formed on the mounting portion, against which the piston body (3) abuts.
4. A hydraulic cylinder for a hydraulic punching and shearing machine according to claim 3, characterized in that the mounting part is provided with a fastening piece (6), and the fastening piece (6) is positioned on the side of the piston body (3) away from the mounting step for limiting the piston body (3).
5. The hydraulic cylinder for a hydraulic punching and shearing machine according to claim 4, characterized in that the side of the piston body (3) remote from the mounting step is provided with a receiving groove for receiving a fastening piece (6).
6. The hydraulic cylinder for the hydraulic punching and shearing machine according to claim 3, wherein the outer wall of the piston body (3) forms a secondary limiting step along the installation step towards the direction of the sealing end cover (4), a supporting sleeve (7) is sleeved outside the piston body (3), and two ends of the supporting sleeve (7) respectively abut against the sealing body and the secondary limiting step.
7. The hydraulic cylinder for a hydraulic punching and shearing machine according to claim 1, further comprising a hinge shaft (8), the hinge shaft (8) being arranged radially along the cylinder tube (1) and mounted at both ends on two connecting portions (11), respectively.
8. A hydraulic punching and shearing machine comprising a hydraulic cylinder according to any one of claims 1-7.
9. The hydraulic punching and shearing machine as recited in claim 8, further comprising an upper scissor arm (10), a lower scissor arm (20), a drive arm (30) and a link (40);
the top of the upper shearing arm (10) is provided with a hoisting part, the lower shearing arm (20) is positioned below the upper shearing arm (10) and one end of the lower shearing arm is hinged with the upper shearing arm (10), the driving arm (30) and the hydraulic cylinder are positioned below the lower shearing arm (20), the first end of the driving arm (30) is hinged with the free end of the lower shearing arm (20), the hydraulic cylinder is positioned at one side of the second end of the driving arm (30), two ends of the hydraulic cylinder are respectively hinged with the second end of the driving arm (30) and the lower shearing arm (20), the connecting rod (40) is positioned above the driving arm (30), and two ends of the connecting rod (40) are respectively hinged with the middle part of the driving arm (30) and the free end of the upper shearing arm (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321991209.XU CN220286108U (en) | 2023-07-25 | 2023-07-25 | Hydraulic punching and shearing machine and hydraulic cylinder thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321991209.XU CN220286108U (en) | 2023-07-25 | 2023-07-25 | Hydraulic punching and shearing machine and hydraulic cylinder thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220286108U true CN220286108U (en) | 2024-01-02 |
Family
ID=89341550
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321991209.XU Active CN220286108U (en) | 2023-07-25 | 2023-07-25 | Hydraulic punching and shearing machine and hydraulic cylinder thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220286108U (en) |
-
2023
- 2023-07-25 CN CN202321991209.XU patent/CN220286108U/en active Active
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