CN207839709U - A kind of hydraulic control device of bender - Google Patents

Abstract

The utility model discloses a kind of hydraulic control devices of bender, including oil cylinder, the internal slide of oil cylinder is connected with piston, the side side wall center of piston is fixed with horizontally disposed piston rod, extend oil cylinder and be slidably connected with one end side wall of oil cylinder in one end of piston rod, the side wall both ends of oil cylinder are connected separately with the first oil guide pipe and the second oil guide pipe, one end of oil cylinder is welded with the mounting circular ring being vertically arranged, the first capsul is slidably connected on the piston rod outside oil cylinder, and first one end of capsul be bolted on mounting circular ring, the one end of first capsul far from oil cylinder slidably connects the second capsul.The present apparatus is simple in structure, and reasonable design is skillfully constructed, and can increase sealing, prevents oil leak, and in oil leak, capable of automatic alarm, and wait for maintenance personal repair when, equipment can normal operation, improve work efficiency, have very strong practicability, be suitble to promote.

Description

A kind of hydraulic control device of bender

Technical field

The utility model is related to a kind of hydraulic control of bender technical field of hydraulic more particularly to bender dresses It sets.

Background technology

Bender is generally using hydraulic cylinder as power plant so that and upper mold carries out bending with lower die constantly folding to workpiece, but Be hydraulic cylinder after prolonged use so that ring wear or piston rod deformation etc. cause oil leakage phenomenon, cause piston two The hydraulic pressure of side differs, and on the one hand influences the normal operation of hydraulic cylinder, on the other hand causes hydraulic oil pollution and waste, and existing Oil leakage phenomenon generally by manually being observed, can not react in the first time of oil leak, it is thus it is proposed that a kind of Hydraulic pressure different phenomenon in piston both sides when solving hydraulic cylinder oil leak ensures hydraulic cylinder normal operation, and can Rapid Alarm Hydraulic control device for bender.

Utility model content

Purpose of the utility model is to solve disadvantages existing in the prior art, and a kind of liquid of the bender proposed Pressure control device.

To achieve the goals above, the utility model uses following technical solution：

The internal slide of a kind of hydraulic control device of bender, including oil cylinder, oil cylinder is connected with piston, the side of piston Side wall center is fixed with horizontally disposed piston rod, and one end of piston rod is extended oil cylinder and slided with one end side wall of oil cylinder Dynamic connection, the side wall both ends of oil cylinder are connected separately with the first oil guide pipe and the second oil guide pipe, and one end of oil cylinder is welded with to be set vertically The mounting circular ring set slidably connects the first capsul on the piston rod outside oil cylinder, and one end of the first capsul is logical It crosses bolt to be fixed on mounting circular ring, the one end of the first capsul far from oil cylinder slidably connects the second capsul, and second is close One end of capsule is bolted on the first capsul, and the other end of the second capsul is slidably connected on the piston rod, the Two capsuls are internally provided with seal chamber, and the side wall of the second capsul is equipped with third oil guide pipe, and third oil guide pipe and sealing Chamber is connected, and the other end of third oil guide pipe is connected with the first oil guide pipe.

Preferably, first capsul and the sliding connecting surface of piston rod and the joint face of mounting circular ring are equipped with first Sealing ring, the second capsul and the contact surface of the first capsul and piston rod are equipped with the second sealing ring.

Preferably, the side wall of second capsul is equipped with conduit, and conduit is connected with seal chamber, the second capsul Side wall be equipped with pressure sensor, and the metal probe of pressure sensor extends into seal chamber.

Preferably, it is equipped with solenoid valve on first oil guide pipe, the second oil guide pipe and third oil guide pipe.

Preferably, the bolt hole for circularizing array distribution is offered on first capsul and the second capsul.

Advantageous effect in the utility model：

1, the utility model, can be further close to being carried out at the activity of piston rod and cylinder by the setting of the first capsul Envelope prevents oil leak, ensures that the piston both sides hydraulic pressure in hydraulic cylinder is identical, and by the setting of the second capsul, when generation oil leak When can by pressure inductor senses change in pressure to alarm, while pass through controller close the first oil guide pipe on electricity Magnet valve, the oiling into seal chamber so that ensure that oil cylinder internal hydraulic pressure is stablized when oil leak, hydraulic cylinder normal work waits to be repaired Personnel repair, and ensure that working efficiency；

2, the first capsul and the second capsul, installation easy to disassemble, consequently facilitating to oil leak are bolted Maintenance.

The present apparatus is simple in structure, and reasonable design is skillfully constructed, and can increase sealing, prevents oil leak, and in oil leak, can Automatic alarm, and during waiting for maintenance personal's repair, equipment can normal operation, improve work efficiency, have very strong Practicability, be suitble to promote.

Description of the drawings

Fig. 1 be the utility model proposes a kind of bender hydraulic control device structural schematic diagram；

Fig. 2 be the utility model proposes a kind of bender hydraulic control device partial enlarged view.

In figure：1 catheter, 2 piston rods, 3 third oil guide pipes, 4 solenoid valves, 5 first oil guide pipes, 6 second oil guide pipes, 7 oil Cylinder, 8 first capsuls, 9 seal chambers, 10 second sealing rings, 11 pressure sensors, 12 second capsuls, 13 first capsuls, 14 Mounting circular ring.

Specific implementation mode

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.

Referring to Fig.1-2, a kind of hydraulic control device of bender, including oil cylinder 7, the internal slide of oil cylinder 7 are connected with work Plug, the side side wall center of piston are fixed with horizontally disposed piston rod 2, one end of piston rod 2 extend oil cylinder 7 and with One end side wall of oil cylinder 7 is slidably connected, and the side wall both ends of oil cylinder 7 are connected separately with the first oil guide pipe 5 and the second oil guide pipe 6, oil One end of cylinder 7 is welded with the mounting circular ring 14 being vertically arranged, and it is close to slidably connect first on the piston rod 2 outside oil cylinder 7 Capsule 13, and one end of the first capsul 13 is bolted on mounting circular ring 14, the first capsul 13 is far from oil cylinder 7 One end slidably connects the second capsul 12, and one end of the second capsul 12 is bolted on the first capsul 13, The other end of second capsul 12 is slidably connected on piston rod 2, and the second capsul 12 is internally provided with seal chamber 9, and second is close The side wall of capsule 12 is equipped with third oil guide pipe 3, and third oil guide pipe 3 is connected with seal chamber 9, third oil guide pipe 3 it is another End is connected with the first oil guide pipe 5, and the first capsul 13 and the sliding connecting surface of piston rod 2 and the joint face of mounting circular ring 14 are equal Equipped with the first sealing ring 8, the second capsul 12 and the contact surface of the first capsul 13 and piston rod 2 are equipped with the second sealing ring 10, the side wall of the second capsul 12 is equipped with conduit 1, and conduit 1 is connected with seal chamber 9, on the side wall of the second capsul 12 Metal probe equipped with pressure sensor 11, and pressure sensor 11 extends into seal chamber 9, the first oil guide pipe 5, the second Oil Guide It is equipped with solenoid valve 4 on pipe 6 and third oil guide pipe 3, is offered on the first capsul 13 and the second capsul 12 and circularizes battle array The bolt hole of column distribution.

Operation principle：When the utility model is used, since the director's time that is slidably connected of piston rod 2 and oil cylinder 7 rubs, It is be easy to cause ring wear oil leakage phenomenon, the first capsul 13 that the present apparatus is bolted is slidably connected with piston rod 2, And the first sealing ring 13 is coordinated to allow to carry out secondary seal, favorable sealing property ensures that 7 internal hydraulic pressure of oil cylinder is stablized, when first When with 2 place of being slidably connected of piston rod oil leak occurs for sealing ring 13,9 internal hydraulic pressure of seal chamber is caused to change, by pressure sensing After device 11 detects prolonged pressure change, judges leakage and alarm is sent out by controller, while pressure sensor 11 is logical It crosses the solenoid valve 4 that controller controls on the first oil guide pipe 5 to close while opening the solenoid valve 4 on third oil guide pipe 3 so that will Hydraulic oil fills seal chamber 9 so that forms hydraulic seal, temporary solution Leakage so that equipment normal operation, then etc. Personnel to be repaired repair, and the first capsul 8 and the second capsul 12 are fixed by bolt, when installation and removal compared with For convenience, the hydraulic oil inside seal chamber 9 is released by conduit 1 in repair, and the first capsul 13 and second is sealed Shell 12 is dismantled, and the repair at leakage is then carried out, and is by the first capsul 8 and the sealing installation of the second capsul 12 after repair Can, the present apparatus is simple in structure, and reasonable design is skillfully constructed, and can increase sealing, prevents oil leak, and in oil leak, can report automatically It is alert, and when waiting for maintenance personal's repair, equipment can normal operation, improve work efficiency, there is very strong practicability, be suitble to It promotes.

The preferable specific implementation mode of the above, only the utility model, but the scope of protection of the utility model is not Be confined to this, any one skilled in the art within the technical scope disclosed by the utility model, according to this practicality Novel technical solution and its utility model design are subject to equivalent substitution or change, should all cover the protection model in the utility model Within enclosing.

Claims (5)

1. a kind of hydraulic control device of bender, including oil cylinder（7）, which is characterized in that the oil cylinder（7）Internal slide connect It is connected to piston, the side side wall center of piston is fixed with horizontally disposed piston rod（2）, piston rod（2）One end extend Go out oil cylinder（7）And and oil cylinder（7）One end side wall be slidably connected, oil cylinder（7）Side wall both ends be connected separately with the first oil guide pipe （5）With the second oil guide pipe（6）, oil cylinder（7）One end be welded with the mounting circular ring being vertically arranged（14）, it is located at oil cylinder（7）It is external Piston rod（2）On slidably connect the first capsul（13）, and the first capsul（13）One end be bolted on peace Fill annulus（14）On, the first capsul（13）Far from oil cylinder（7）One end slidably connect the second capsul（12）, and second is close Capsule（12）One end be bolted on the first capsul（13）On, the second capsul（12）The other end be slidably connected at Piston rod（2）On, the second capsul（12）Be internally provided with seal chamber（9）, the second capsul（12）Side wall be equipped with third Oil guide pipe（3）, and third oil guide pipe（3）With seal chamber（9）It is connected, third oil guide pipe（3）The other end and the first oil guide pipe （5）It is connected.

2. a kind of hydraulic control device of bender according to claim 1, which is characterized in that first capsul （13）With piston rod（2）Sliding connecting surface and mounting circular ring（14）Joint face be equipped with the first sealing ring（8）, the second sealing Shell（12）With the first capsul（13）And piston rod（2）Contact surface be equipped with the second sealing ring（10）.

3. a kind of hydraulic control device of bender according to claim 1, which is characterized in that second capsul （12）Side wall be equipped with conduit（1）, and conduit（1）With seal chamber（9）It is connected, the second capsul（12）Side wall be equipped with Pressure sensor（11）, and pressure sensor（11）Metal probe extend into seal chamber（9）It is interior.

4. a kind of hydraulic control device of bender according to claim 1, which is characterized in that first oil guide pipe （5）, the second oil guide pipe（6）With third oil guide pipe（3）On be equipped with solenoid valve（4）.

5. a kind of hydraulic control device of bender according to claim 1, which is characterized in that first capsul （13）With the second capsul（12）On offer the bolt hole for circularizing array distribution.