CN214578078U

CN214578078U - Hydraulic press locking structure

Info

Publication number: CN214578078U
Application number: CN202120796962.8U
Authority: CN
Inventors: 龚中乾
Original assignee: Foshan Xiongfeng Hydraulic Machinery Co ltd
Current assignee: Foshan Xiongfeng Hydraulic Machinery Co ltd
Priority date: 2021-04-17
Filing date: 2021-04-17
Publication date: 2021-11-02
Anticipated expiration: 2031-04-17

Abstract

The utility model discloses a hydraulic machine locking structure, belonging to the technical field of hydraulic machine safety protection, the structure comprises a hydraulic press, the hydraulic press is formed by combining a hydraulic cylinder, a support, a slide bar assembly, a pressing plate assembly and a limiting device, the hydraulic cylinder is assembled at the upper end of the support, the slide bar assembly is assembled at the lower end of the support, when the hydraulic cylinder is out of order, the pressure plate assembly quickly drops from the high position of the slide rod assembly, the slide plate assembly slides downwards at the groove, the air in the slide plate assembly is extruded from the air inlet to the air outlet through the first sealing layer, the falling speed is high, the pressure of the air enables the limiting plate to compress the spring, the limiting plate blocks the air outlet hole, the inner part of the air inlet hole is sealed, therefore, the downward impact force of the pressing plate assembly is blocked by the resistance of the air, so that the pressing plate assembly cannot continuously fall downwards to hurt the workpiece or an operator. In daily hydraulic work, the pressure plate assembly slowly falls to prevent the limiting plate from blocking the air outlet hole.

Description

Hydraulic press locking structure

Technical Field

The utility model belongs to the technical field of the hydraulic press safety protection, specifically speaking relates to a hydraulic press locking structure.

Background

A hydraulic machine is a machine for transferring energy to carry out various processes, made according to the pascal principle, using a liquid as working medium. The hydraulic machine is generally composed of three parts of a machine (main machine), a power system and a hydraulic control system. The hydraulic machine is classified into a valve hydraulic machine, a liquid hydraulic machine and an engineering hydraulic machine.

The hydraulic press is a machine for processing products such as metal, plastic, rubber, wood, powder and the like by using hydrostatic pressure. It is commonly used in press processes and press forming processes, such as: forging, stamping, cold extruding, straightening, bending, flanging, sheet drawing, powder metallurgy, press fitting and the like.

The principle of the hydraulic transmission mechanism is that the hydraulic transmission mechanism is made by using the Pascal law and has a plurality of types. Of course, the use is also diverse as required. For example, the pressure-transmitting fluid may be classified into two types, i.e., an oil press and a water press.

However, once the hydraulic cylinder of the existing hydraulic machine fails, the sliding seat is likely to slide along the guide upright post, so that the workpiece and even personnel are damaged.

SUMMERY OF THE UTILITY MODEL

In case the pneumatic cylinder breaks down to current hydraulic press, the slide is most likely to follow the guide post landing, causes the problem of work piece even personnel's damage, the utility model provides a hydraulic press locking structure, this structure include the hydraulic press, the hydraulic press form by pneumatic cylinder, support, slide bar assembly, clamp plate assembly and stop device combination, this subassembly cooperation is used and can effectively solve the hydraulic press in case the pneumatic cylinder breaks down, the slide is most likely to follow the guide post landing, causes the damage problem of work piece even personnel.

In order to solve the above problems, the utility model adopts the following technical proposal.

A hydraulic press locking structure comprises a hydraulic press, wherein the hydraulic press is formed by combining a hydraulic cylinder, a support, a slide rod assembly, a pressing plate assembly and a limiting device, the hydraulic cylinder is assembled at the upper end of the support, the slide rod assembly is assembled at the lower end of the support, the pressing plate assembly is sleeved on the outer wall of the slide rod assembly, and the limiting device is assembled at the lower end of the slide rod assembly; the slide bar assembly include the body of rod, body of rod upper end be equipped with the connector, the body of rod openly is provided with the recess, and is provided with first spout on the inner wall of recess both sides, can fix the pneumatic cylinder of upper end through the slide bar assembly and can let the clamp plate assembly slide at the outer wall of slide bar assembly. The hydraulic cylinder at the upper end can be fixed through the slide bar assembly, and the pressing plate assembly can slide on the outer wall of the slide bar assembly.

Preferably, the pressing plate assembly comprises a plate body, a through hole is formed in the lower end face of the plate body and penetrates through the plate body, a sliding plate assembly is assembled at the position, close to the front face, of the through hole, the pressing plate assembly can be sleeved on the outer wall of the sliding rod assembly through the through hole, and the pressing plate assembly can slide at the groove and the first sliding groove through the sliding plate assembly clamped at the groove and the first sliding groove.

Preferably, the sliding plate assembly comprises a plate body, a disc is assembled on the back surface of the plate body, and a first sealing layer is arranged on the outer wall of the disc.

Preferably, the limiting device comprises a base, and a limiting plate is assembled on the base at a position close to the lower end.

Preferably, the lower end of the seat body is assembled, an air outlet is arranged on the position, close to the lower end, of the seat body, an air inlet is arranged at the upper end of the seat body, and the air inlet is communicated with the air outlet.

Preferably, the inner wall of the air outlet hole is provided with a concave groove, and two walls of the inner wall of the concave groove are symmetrically provided with second sliding chutes.

Preferably, the limiting plate include the block, the block outer wall on be provided with the second sealing layer, and block bilateral symmetry is equipped with the slider about, and the slider openly is equipped with the spring.

Preferably, one end is connected with the concave groove, and the sliding rod assembly is inserted into the air inlet.

Preferably, the pressing plate assembly further comprises a second limiting device, a motor is assembled on the outer wall of the front face of the support, a steel rope is sleeved at one end of the motor, a connecting plate is installed on the outer wall of the front face of the pressing plate assembly, and the steel rope is fixedly connected with the upper end face of the connecting plate.

Advantageous effects

Compared with the prior art, the beneficial effects of the utility model are that:

(1) the utility model discloses in, when the pneumatic cylinder is malfunctioning, the clamp plate assembly descends down fast from the eminence of slide bar assembly, the slide subassembly slides down at the groove, extrude inside air from the inlet port toward the gas outlet through first sealing layer, a fast speed for the whereabouts, the pressure of air makes limiting plate compression spring, plug up the gas outlet with the limiting plate, make the inlet port internal seal, thereby the resistance of air blocks the decurrent impact force of clamp plate assembly, make the clamp plate assembly can not continue to drop downwards, hurt work piece or operating personnel. In daily hydraulic work, the pressure plate assembly slowly falls to prevent the limiting plate from blocking the air outlet hole.

(2) The utility model discloses in, when the hydraulic press pushed down, the motor then rotated, and when the hydraulic press was out of order, the clamp plate assembly whereabouts fast downwards, the steel cable can be held the clamp plate assembly to avoid the clamp plate assembly to drop fast downwards, thereby injury work piece or operating personnel.

Drawings

Fig. 1 is a schematic view of a locking structure of a hydraulic machine of the present invention;

FIG. 2 is a schematic view of the structure of the middle sliding rod assembly of the present invention;

FIG. 3 is a schematic view of an enlarged structure at A of the present invention;

FIG. 4 is a schematic view of the structure of the middle press plate assembly of the present invention;

FIG. 5 is a schematic structural view of the middle slide plate assembly of the present invention;

FIG. 6 is a schematic structural view of the middle position-limiting device of the present invention;

FIG. 7 is a schematic view of the bottom view of the base of the present invention;

fig. 8 is a schematic top view of the base of the present invention;

FIG. 9 is an enlarged schematic view of the position B of the present invention;

fig. 10 is a schematic view of a limiting plate structure of the present invention;

fig. 11 is a schematic structural view of the second limiting device of the present invention.

The corresponding relationship between the reference numbers of the figures and the names of the components in the figures is as follows:

1. a hydraulic press; 2. a hydraulic cylinder; 3. a support;

4. a slide bar assembly; 41. a connector; 42. a rod body; 43. a first chute; 44. a groove;

5. a platen assembly; 51. a plate body; 52. a through hole; 53. a sled assembly; 531. a plate body; 532. a first sealing layer;

533. a disc;

6. a limiting device; 61. a base; 611. a base body; 612. an air outlet; 613. a second chute; 614. a concave groove;

615. an air inlet; 62. a limiting plate; 621. a slider; 622. a second sealing layer; 623. a block body;

7. a second limiting device; 71. a motor; 72. a steel cord; 73. a connecting plate.

Detailed Description

The invention will be further described below in connection with specific embodiments.

Example 1

As shown in fig. 1, it is the utility model discloses a hydraulic press locking structure sketch of a preferred embodiment, the hydraulic press locking structure of this embodiment, including hydraulic press 1, hydraulic press 1 form by pneumatic cylinder 2, support 3, slide bar assembly 4, clamp plate assembly 5 and stop device 6 combination, pneumatic cylinder 2 assemble in the upper end of support 3, slide bar assembly 4 assembles the lower extreme at support 3, clamp plate assembly 5 cup joints the outer wall at slide bar assembly 4, stop device 6 assembles the lower extreme at slide bar assembly 4.

As shown in fig. 2-3, which is a schematic structural view of the middle sliding rod assembly of the present invention, the sliding rod assembly 4 includes a rod body 42, the upper end of the rod body 42 is assembled with a connector 41, the rod body 42 is openly provided with a groove 44, and the inner walls of the two sides of the groove 44 are provided with a first sliding groove 43.

As shown in fig. 4, which is a schematic structural diagram of the middle press plate assembly of the present invention, the press plate assembly 5 includes a plate body 51, the lower end surface of the plate body 51 is provided with a through hole 52, and the through hole 52 penetrates through the plate body 51, and a sliding plate assembly 53 is assembled at a position of the through hole 52 close to the front surface. The pressing plate assembly 5 can be sleeved on the outer wall of the sliding rod assembly 4 through the through hole 52, and the pressing plate assembly 5 can slide at the groove 44 and the first sliding chute 43 through the sliding plate assembly 53 being clamped at the groove 44 and the first sliding chute 43.

As shown in fig. 5, which is a schematic structural diagram of the middle sliding plate assembly of the present invention, the sliding plate assembly 53 includes a plate body 531, a disc 533 is assembled on the back surface of the plate body 531, and a first sealing layer 532 is disposed on the outer wall of the disc 533. The first sealing layer 532 and the disc 533 can push air downwards when the groove 44 descends, and the locking effect is achieved by matching the limiting device 6.

As shown in fig. 6, which is a schematic structural view of the middle stop device of the present invention, the stop device 6 includes a base 61, and a stop plate 62 is assembled on the base 61 near the lower end.

As shown in fig. 7-9, which are schematic views of the base structure of the present invention, the lower end of the base body 611 is assembled with 616, and the position of the base body 611 near the lower end is provided with an air outlet 612, and the upper end of the base body 611 is provided with an air inlet 615, and the air inlet 615 is communicated with the air outlet 612.

The inner wall of the air outlet 612 is provided with a concave groove 614, and two walls of the inner wall of the concave groove 614 are symmetrically provided with second sliding chutes 613. The stopper plate 62 is assembled by the second slide groove 613 and the concave groove 614.

As shown in fig. 10, it is the utility model discloses well limiting plate structure sketch map, limiting plate 62 include the block 623, the block 623 outer wall on be provided with second sealing layer 622, and block 623 upper and lower bilateral symmetry is equipped with slider 621, and slider 621 openly is equipped with spring 624. The slider 621 is connected to the second slide groove 613 and the concave groove 614, and the stopper plate 62 can slide on the second slide groove 613 and the concave groove 614 through the slider 624.

One end of the spring 624 is connected to the concave groove 614, and the sliding rod assembly 4 is inserted into the air inlet hole 615.

The working principle is as follows: when the hydraulic cylinder 2 is out of order, the pressure plate assembly 5 rapidly drops downwards from the high position of the slide rod assembly 4, the sliding plate component 53 slides downwards at the groove 44, the air inside the pressure plate assembly is extruded from the air inlet holes 615 to the air outlet holes 612 through the first sealing layer 532, the dropping speed is high, the pressure of the air enables the limiting plate 62 to compress the spring 624, the limiting plate 62 is blocked on the air outlet holes 612, the air inlet holes 615 are sealed, the downward impact force of the pressure plate assembly 5 is blocked by the resistance of the air, and the pressure plate assembly 5 cannot continuously drop downwards to hurt workpieces or operators. In normal hydraulic operation, the slow falling of the platen assembly 5 will not cause the restriction plate 62 to block the air outlet 612.

Example 2

As shown in fig. 11, which is a schematic view of a hydraulic press locking structure according to another preferred embodiment of the present invention, in the hydraulic press locking structure of this embodiment, a second limiting device 7 is added on the basis of embodiment 1, a motor 71 is assembled on the front outer wall of the support 3, a steel cable 72 is sleeved on one end of the motor 71, a connecting plate 73 is installed on the front outer wall of the pressing plate assembly 5, and the steel cable 72 is fixedly connected to the upper end face of the connecting plate 73.

The working principle is as follows: when the hydraulic press is pressed down, the motor 71 rotates along with the hydraulic press, when the hydraulic press is out of order, the pressing plate assembly 5 falls down quickly, the steel rope 72 can pull the pressing plate assembly 5, and therefore the pressing plate assembly 5 is prevented from falling down quickly, and workpieces or operators are prevented from being injured.

The above description is for further details of the present invention, and it is not assumed that the embodiments of the present invention are limited to these descriptions, and it is obvious to those skilled in the art that the present invention can be implemented by a plurality of simple deductions or replacements without departing from the concept of the present invention, and all should be considered as belonging to the protection scope defined by the claims submitted by the present invention.

Claims

1. A hydraulic press locking structure comprises a hydraulic press (1), wherein the hydraulic press (1) is formed by combining a hydraulic cylinder (2), a support (3), a sliding rod assembly (4), a pressing plate assembly (5) and a limiting device (6), the hydraulic cylinder (2) is assembled at the upper end of the support (3), the sliding rod assembly (4) is assembled at the lower end of the support (3), the pressing plate assembly (5) is sleeved on the outer wall of the sliding rod assembly (4), and the limiting device (6) is assembled at the lower end of the sliding rod assembly (4);

the method is characterized in that:

slide bar assembly (4) including the body of rod (42), body of rod (42) upper end be equipped with connector (41), the body of rod (42) openly is provided with recess (44), and is provided with first spout (43) on the inner wall of recess (44) both sides, can fix hydraulic cylinder (2) of upper end and let clamp plate assembly (5) slide at the outer wall of slide bar assembly (4) through slide bar assembly (4).

2. The hydraulic press locking structure of claim 1, wherein: the pressing plate assembly (5) comprises a plate body (51), a through hole (52) is formed in the lower end face of the plate body (51), the through hole (52) penetrates through the plate body (51), and a sliding plate assembly (53) is assembled on the position, close to the front face, of the through hole (52).

3. A hydraulic press locking arrangement as claimed in claim 2, wherein: the skateboard assembly (53) comprises a skateboard body (531), wherein a disc (533) is assembled on the back surface of the skateboard body (531), and a first sealing layer (532) is arranged on the outer wall of the disc (533).

4. The hydraulic press locking structure of claim 1, wherein: stop device (6) include base (61), and base (61) are equipped with limiting plate (62) on being close to the position of lower extreme.

5. The hydraulic press locking structure of claim 4, wherein: the lower end of the seat body (611) is assembled with the air outlet (616), the position of the seat body (611) close to the lower end is provided with an air outlet (612), the upper end of the seat body (611) is provided with an air inlet (615), and the air inlet (615) is communicated with the air outlet (612).

6. The hydraulic press locking structure of claim 5, wherein: the inner wall of the air outlet hole (612) is provided with a concave groove (614), and two walls of the inner wall of the concave groove (614) are symmetrically provided with second sliding grooves (613).

7. The hydraulic press locking structure of claim 4, wherein: limiting plate (62) include block (623), block (623) outer wall on be provided with second sealing layer (622), and block (623) bilateral symmetry about have slider (621), and slider (621) openly have been assembled spring (624).

8. The hydraulic press locking structure of claim 7, wherein: one end of the spring (624) is connected with the concave groove (614), and the sliding rod assembly (4) is inserted into the air inlet hole (615).

9. The hydraulic press locking structure of claim 1, wherein: the pressing plate assembly is characterized by further comprising a second limiting device (7), a motor (71) is assembled on the outer wall of the front face of the support (3), a steel rope (72) is sleeved at one end of the motor (71), a connecting plate (73) is installed on the outer wall of the front face of the pressing plate assembly (5), and the steel rope (72) is fixedly connected with the upper end face of the connecting plate (73).