CN211542463U - Oil press with self-locking device - Google Patents
Oil press with self-locking device Download PDFInfo
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- CN211542463U CN211542463U CN201922274271.7U CN201922274271U CN211542463U CN 211542463 U CN211542463 U CN 211542463U CN 201922274271 U CN201922274271 U CN 201922274271U CN 211542463 U CN211542463 U CN 211542463U
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- locking device
- clamping plate
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Abstract
The utility model relates to an oil press with a self-locking device, which comprises a workbench, a pillar, an upper beam, an oil pressure cylinder and a movable plate, wherein the pillar is fixed on the workbench, the upper beam is fixed at the top end of the pillar, the oil pressure cylinder is fixed in the middle of the upper beam, the movable plate is connected with the pillar in a sliding way, a pressing seat is fixed in the middle of the movable plate, and a piston of the oil pressure cylinder is connected with the pressing seat; the oil press also comprises a self-locking device, and the self-locking device comprises a limiting rod and a clamping plate; the limiting rod comprises a rod body and a plurality of convex rings arranged at intervals along the axial direction of the rod body, a gap is formed between every two adjacent convex rings, the convex rings extend outwards along the radial direction of the rod body, the bottom end of the limiting rod is fixed on the movable plate, and the limiting rod penetrates through the upper beam; the first end of the clamping plate is fixed on the upper beam, the upper beam is also provided with a telescopic driving piece, and a push rod of the telescopic driving piece is connected with the second end of the clamping plate; the clamping plate comprises an arc-shaped groove; when the flexible driving piece promotes the cardboard, the arc recess can block into the space. The utility model discloses an oil press operational safety is high.
Description
Technical Field
The utility model relates to a hydraulic pressure technical field, concretely relates to hydraulic press with self-lock device.
Background
The oil press is one of hydraulic presses, which uses hydraulic oil as a working medium, uses a hydraulic pump as a power source, and makes the hydraulic oil enter an oil cylinder through a hydraulic pipeline by the action force of the pump, so that a piston or a push rod of the oil cylinder circularly works to complete certain mechanical action. The oil press can provide larger pressure, and is commonly used for processing various metal parts and products in other industries such as pressing and press mounting.
The vertical oil press is an important type in oil presses, an oil cylinder which plays a main extrusion role is generally arranged at the top of the vertical oil press, a piston of the oil cylinder drives a pressing seat to press a workpiece, and due to the fact that the pressing seat is heavy in weight, the top of the pressing seat is easy to damage or an oil return phenomenon occurs, the pressing seat can be caused to generate relative displacement, and the work safety is threatened.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a can improve the hydraulic press that has self-lock device of operational safety not enough to prior art.
In order to achieve the purpose of the utility model, the utility model provides an oil press with a self-locking device, which comprises a workbench, a pillar, an upper beam, an oil pressure cylinder and a movable plate, wherein the pillar is fixed on the workbench, the upper beam is fixed at the top end of the pillar, the oil pressure cylinder is fixed in the middle of the upper beam, the movable plate is connected with the pillar in a sliding way, a pressing seat is fixed in the middle of the movable plate, and a piston of the oil pressure cylinder is connected with the pressing seat; the oil press further comprises a self-locking device, and the self-locking device comprises a limiting rod and a clamping plate; the limiting rod comprises a rod body and a plurality of convex rings arranged at intervals along the axial direction of the rod body, a gap is formed between every two adjacent convex rings, the convex rings extend outwards along the radial direction of the rod body, the bottom end of the limiting rod is fixed on the movable plate, and the limiting rod penetrates through the upper beam; the first end of the clamping plate is fixed on the upper beam, the upper beam is also provided with a telescopic driving piece, and a push rod of the telescopic driving piece is connected with the second end of the clamping plate; the clamping plate comprises an arc-shaped groove; when the telescopic driving piece pushes the clamping plate, the arc-shaped groove can be clamped into the gap.
The technical scheme is that the bottom surface of the convex ring is a plane, the top surface of the convex ring is an inclined surface, the side surface of the convex ring is a vertical surface, and the inclined surface is inclined downwards along the direction away from the rod body; the arc-shaped groove has a size capable of accommodating the rod body, the top surface of the clamping plate is a plane, the side surface of the clamping plate is a vertical surface, the bottom surface of the clamping plate comprises an inclined part, and the inclined part inclines upwards along the direction close to the groove.
The technical scheme is that the bottom end of the limiting rod is connected with a flange seat, the flange seat is connected to the upper surface of the upper beam through a base plate, and the upper surface of the upper beam is a plane.
The further technical scheme is that the bottom end of the limiting rod is in threaded connection with the flange seat.
The technical scheme is that the number of the convex rings is 15-20, and the convex rings are uniformly distributed on the rod body.
The technical scheme is that the limiting rod further comprises a connecting section connected with the rod body, the connecting section is located at the lower end of the rod body, and the outer diameter of the connecting section is the same as or larger than that of the convex ring.
The further technical scheme is that the length of the rod body is the same as the stroke of the movable plate.
The further technical scheme is that the telescopic driving piece is an air cylinder or an oil cylinder.
Compared with the prior art, the utility model discloses can gain following beneficial effect:
the utility model discloses increased self-lock device on traditional hydraulic press's basis, this self-lock device simple structure easily installs and changes. The self-locking device comprises a limiting rod and a clamping plate driven by a telescopic driving piece to move, when the position of the movable plate needs to be fixed, the telescopic driving piece drives a clamping block to be clamped into a gap of the limiting rod, locking is achieved, and working safety of the oil press is improved.
Drawings
Fig. 1 is a front view of an embodiment of the present invention.
Fig. 2 is a side view of an embodiment of the present invention.
Fig. 3 is a cross-sectional view of a stop lever in an embodiment of the present invention.
Fig. 4 is a partially enlarged view of a in fig. 3.
Fig. 5 is a schematic structural diagram of a clamping plate in an embodiment of the oil press of the present invention.
Fig. 6 is a cross-sectional view of a clamping plate in an embodiment of the oil press of the present invention.
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
Detailed Description
As shown in fig. 1 to 6, the utility model provides an oil press with self-locking device, including workstation 10, pillar 11, upper beam 12, oil hydraulic cylinder 13 and fly leaf 14, pillar 11 is fixed on workstation 10, and upper beam 12 is fixed on pillar 11 top, and oil hydraulic cylinder 13 is fixed in the middle of upper beam 12, and fly leaf 14 slidable is connected with pillar 11, is fixed with in the middle of the fly leaf 14 and presses seat 15, and the piston of oil hydraulic cylinder 13 is connected with pressing seat 15. In the present embodiment, the oil press is a four-column oil press, the number of the support columns 11 is 4, and the 4 support columns 11 are distributed at four corners between the upper beam 12 and the table 10. The oil press of this embodiment further comprises a hydraulic oil circulation device connected to the oil cylinder 13, and the hydraulic oil circulation device may comprise a pipeline, a pump, an oil storage tank, and the like.
The oil press further comprises a self-locking device, and the self-locking device comprises a limiting rod 20 and a clamping plate 30.
As shown in fig. 1 to 4, the limiting rod 20 includes a rod body 21 and a plurality of protruding rings 22 axially spaced along the rod body 21, a gap 23 is formed between adjacent protruding rings 22, the protruding rings 22 extend outward along the radial direction of the rod body 21, the bottom end of the limiting rod 20 is fixed on the movable plate 14, and the limiting rod 20 passes through the upper beam 12. Specifically, in this embodiment, the bottom end of the limiting rod 20 is in threaded connection with the flange seat 24, the flange seat 24 is connected to the upper surface of the upper beam 12 through the backing plate 25, the upper surface of the upper beam 12 is a plane, and the flange seat 24 and the like are arranged to ensure that the whole limiting rod 20 extends vertically and upwardly. The bottom surface of the convex ring 22 is a plane, the top surface of the convex ring 22 is an inclined surface, the side surface of the convex ring 22 is a vertical surface, and the inclined surface is inclined downwards along the direction away from the rod body 21. The number of the convex rings 22 is 15-20, and a plurality of convex rings 22 are uniformly distributed on the rod body 21. The length of the rod body 21 may be the same as the stroke of the movable plate 14.
The limiting rod 20 further comprises a connecting section 26 connected with the rod body 21, the connecting section 26 is located at the lower end of the rod body 21, the outer diameter of the connecting section 26 is the same as that of the convex ring 22 or larger than that of the convex ring 22, and the diameter of the connecting section 26 is larger, so that the connecting strength between the limiting rod 20 and the flange seat 24 is improved.
As shown in fig. 1 to 2 and 5 to 6, the upper beam 12 is further provided with a telescopic driving member 16. The telescopic drive member 16 is a cylinder or an oil cylinder. A first end of the catch plate 30 is fixed to the upper beam 12 and the push rod 17 of the telescopic drive 16 is connected to a second end of the catch plate 30. The card 30 comprises an arc-shaped groove 31. The arcuate recess 31 is able to snap into the gap 23 as the telescopic drive 16 pushes the catch plate 30. The telescopic drives 16 may be connected to a control system, the telescopic drives 16 automatically pushing the catch plate 30 to snap in when the movable plate 14 is not moving. The arc-shaped groove 31 has a size capable of accommodating the rod body 21, the top surface of the chucking plate 30 is a plane, the side surface of the chucking plate 30 is a vertical surface, and the bottom surface of the chucking plate 30 includes an inclined portion that is inclined upward in a direction toward the groove 31. When cardboard 30 and space 23 cooperation, the plane of cardboard 30 top surface and the plane cooperation of above-mentioned bulge loop 22 bottom surface can provide stable supporting role, and the inclined plane of cardboard 30 bottom surface can cooperate with the inclined plane of below bulge loop 22 top surface, can make cardboard 30 card go into space 23. The telescopic drive member 16 is a cylinder or an oil cylinder.
Finally, it should be emphasized that the above-described embodiments are merely preferred embodiments of the present invention, and are not intended to limit the present invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (8)
1. An oil press with a self-locking device comprises a workbench, a strut, an upper beam, an oil pressure cylinder and a movable plate, wherein the strut is fixed on the workbench, the upper beam is fixed at the top end of the strut, the oil pressure cylinder is fixed in the middle of the upper beam, the movable plate is slidably connected with the strut, a pressing seat is fixed in the middle of the movable plate, and a piston of the oil pressure cylinder is connected with the pressing seat; the method is characterized in that:
the oil press further comprises a self-locking device, and the self-locking device comprises a limiting rod and a clamping plate;
the limiting rod comprises a rod body and a plurality of convex rings arranged at intervals along the axial direction of the rod body, a gap is formed between every two adjacent convex rings, the convex rings extend outwards along the radial direction of the rod body, the bottom end of the limiting rod is fixed on the movable plate, and the limiting rod penetrates through the upper beam;
the first end of the clamping plate is fixed on the upper beam, the upper beam is also provided with a telescopic driving piece, and a push rod of the telescopic driving piece is connected with the second end of the clamping plate; the clamping plate comprises an arc-shaped groove; when the telescopic driving piece pushes the clamping plate, the arc-shaped groove can be clamped into the gap.
2. The oil press with the self-locking device according to claim 1, wherein:
the bottom surface of the convex ring is a plane, the top surface of the convex ring is an inclined surface, the side surface of the convex ring is a vertical surface, and the inclined surface is inclined downwards along the direction away from the rod body;
the arc-shaped groove has a size capable of accommodating the rod body, the top surface of the clamping plate is a plane, the side surface of the clamping plate is a vertical surface, the bottom surface of the clamping plate comprises an inclined part, and the inclined part inclines upwards along the direction close to the groove.
3. The oil press with the self-locking device according to claim 1, wherein:
the bottom end of the limiting rod is connected with a flange seat, the flange seat is connected to the upper surface of the upper beam through a base plate, and the upper surface of the upper beam is a plane.
4. The oil press with the self-locking device according to claim 3, wherein:
the bottom end of the limiting rod is in threaded connection with the flange seat.
5. The oil press with the self-locking device according to any one of claims 1 to 4, wherein:
the number of the convex rings is 15-20, and the convex rings are uniformly distributed on the rod body.
6. The oil press with the self-locking device according to any one of claims 1 to 4, wherein:
the limiting rod further comprises a connecting section connected with the rod body, the connecting section is located at the lower end of the rod body, and the outer diameter of the connecting section is the same as or larger than that of the convex ring.
7. The oil press with the self-locking device according to claim 6, wherein:
the length of the rod body is the same as the stroke of the movable plate.
8. The oil press with the self-locking device according to any one of claims 1 to 4, wherein:
the telescopic driving piece is a cylinder or an oil cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922274271.7U CN211542463U (en) | 2019-12-17 | 2019-12-17 | Oil press with self-locking device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922274271.7U CN211542463U (en) | 2019-12-17 | 2019-12-17 | Oil press with self-locking device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211542463U true CN211542463U (en) | 2020-09-22 |
Family
ID=72507052
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922274271.7U Active CN211542463U (en) | 2019-12-17 | 2019-12-17 | Oil press with self-locking device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211542463U (en) |
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2019
- 2019-12-17 CN CN201922274271.7U patent/CN211542463U/en active Active
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