CN218399539U

CN218399539U - Hydraulic punch press protection device

Info

Publication number: CN218399539U
Application number: CN202222086273.5U
Authority: CN
Inventors: 钟剑波; 黄家祥
Original assignee: Guangdong Hengxin Lighting Technology Co ltd
Current assignee: Guangdong Hengxin Lighting Technology Co ltd
Priority date: 2022-08-09
Filing date: 2022-08-09
Publication date: 2023-01-31
Anticipated expiration: 2032-08-09

Abstract

The utility model discloses a hydraulic press protection device belongs to hydraulic press protection technical field, the device includes shell assembly and stamping device, stamping device assemble at the back of shell assembly, start to admitting air to the gas outlet inside through the air pump, through opening and closing control cylinder extension and shortening of solenoid valve, when cylinder extension drive clamp plate descends, drive the piston rod through L type connecting plate and push down in the inside of piston cylinder, with inside air from the inside of gas outlet department extrusion and entering gasbag through the intubate, get into the air pump through pressure manifold and intake pipe, realize the circulation, consequently at the cylinder, the inside air of piston cylinder is stifled in solenoid valve department this moment through gravity lapse, lead to the unable circulation of inside air, also make the unable extension of cylinder, consequently, operating personnel can not take place danger yet.

Description

Hydraulic punch press protection device

Technical Field

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

Background

The hydraulic press is a press which generates a compressive force by using a hydraulic cylinder, and the hydraulic press was invented by joseph brahman in uk, and the hydraulic press was invented and patented in 1795. The concepts of brama were applied to the punch after studying the literature on fluid movement at that time. The hydraulic press is a press which generates a compressive force by using a hydraulic cylinder, and the hydraulic press was invented by joseph brahman in uk, and the hydraulic press was invented and patented in 1795. The concepts of brama were applied to the punch after studying the literature on fluid movement at that time.

When the cylinder is damaged, the pressing plate moves downwards due to gravity, and if operators do not pay attention to the damage to the operators, the operators are injured.

SUMMERY OF THE UTILITY MODEL

When the cylinder damages to current hydraulic press, because the reason of gravity leads to the clamp plate to move down, if the operating personnel careless will cause the problem of injury to the personnel, the utility model provides a hydraulic press protection device, the device include shell assembly and stamping device, stamping device assemble at the back of shell assembly, this subassembly cooperation is used and can be effectually protect operating personnel.

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

A hydraulic press protection device comprises a shell assembly and a stamping device, wherein the stamping device is assembled on the back of the shell assembly.

Preferably, the shell assembly comprises a rack, the bottom of the inner side of the rack is movably connected with a lower template, two symmetrical sliding grooves are formed in two walls of the inner side of the rack, a first through hole is formed in the back of the bottom of the inner side of the sliding grooves on two sides, and a second through hole penetrating through the tops of the inner sides of the sliding grooves on two sides is formed in the top of the inner side of the sliding grooves on two sides; the lower template is matched with the stamping device to stamp the workpiece.

Preferably, the stamping device comprises a pressing device and a power device, wherein the power device is assembled on the back surface of the pressing device; the lower pressing device is matched with the lower template for punching, and the power device provides telescopic power for the lower pressing device.

Preferably, the pressing device comprises an air cylinder, a pressing plate is movably connected to the telescopic end of the air cylinder, symmetrical sliding blocks are fixedly connected to two sides of the pressing plate, symmetrical piston cylinders are slidably connected to the sliding blocks on the two sides, piston rods are slidably connected to the insides of the piston cylinders on the two sides, air outlet holes are formed in the outer walls, close to the bottom, of the piston cylinders on the two sides, L-shaped connecting plates are fixedly connected to the upper ends of the piston rods on the two sides, and the lower ends of the L-shaped connecting plates on the two sides are fixedly connected to two sides of the pressing plate; the extension and the shortening of the cylinder drive the pressing plate to press down the lower die plate for punching, the L-shaped connecting plate can drive the piston rod to slide in the piston cylinder when the pressing plate presses down, and the air outlet can discharge the gas in the piston rod when the piston rod slides.

Preferably, the power device comprises an air pump, the upper end of the air pump is movably connected with an air outlet pipe, the lower end of the air pump is movably connected with an air inlet pipe, the outer wall of the air outlet pipe is movably connected with symmetrical electromagnetic valves, the electromagnetic valves on the two sides are movably connected with connecting pipes, the tail end of the air inlet pipe is fixedly connected with a collecting pipe, the two ends of the collecting pipe are movably connected with symmetrical air bags, and the back surfaces of the air bags on the two sides are movably connected with inserting pipes; air is fed through the air pump, the opening and the closing are controlled through the electromagnetic valve, the air inlet is inserted into the first through hole through the insertion pipe and is connected with the air outlet hole, and the connecting pipes on the two sides are connected with the base part of the air cylinder.

Preferably, the insertion tube is inserted into the first through hole and connected with the air outlet hole, the connecting tubes on two sides are connected with the base part of the air cylinder, the base part of the air cylinder is movably connected with the top of the inner side of the rack, the piston rod is inserted from the second through hole, and the piston cylinders on two sides are movably connected with the inner parts of the sliding grooves on two sides.

Advantageous effects

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

(1) The utility model discloses in, start to admitting air to the gas outlet inside through the air pump, through opening and closing of solenoid valve control cylinder extension and shortening, when cylinder extension drive pressure plate descends, drive the piston rod through L type connecting plate and push down in the inside of piston cylinder, with inside air from gas outlet department extrusion and through the inside of intubate entering gasbag, get into the air pump through pressure manifold and intake pipe, realize the circulation, consequently at the cylinder, the clamp plate is blocked up in solenoid valve department through gravity gliding inside air of piston cylinder this moment, lead to the unable circulation of inside air, also make the unable extension of cylinder, consequently, operating personnel can not take place danger yet.

(2) The utility model discloses in, because the inside air of the long-time service cycle of equipment can leak, can audio-visually see out the inside air reserves of circulation among the stamping device through the setting of gasbag to in time to inside add the air, avoid influencing the stroke length of cylinder because the air is not enough.

Drawings

Fig. 1 is a schematic structural view of a hydraulic press protection device of the present invention;

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

FIG. 3 is a schematic structural view of a middle stamping device according to the present invention;

FIG. 4 is a schematic view of the structure of the middle pressing device of the present invention;

fig. 5 is a schematic structural view of the middle power device of the present invention.

The correspondence between the labels of the various figures in the drawing and the names of the components is as follows:

1. a housing assembly; 11. a frame; 12. a chute; 13. a first through hole; 14. a lower template; 15. a second through hole;

2. a stamping device; 21. a pressing device; 211. a cylinder; 212. pressing a plate; 213. an L-shaped connecting plate; 214. a piston rod;

215. a piston cylinder; 216. an air outlet; 217. a slider; 22. a power plant; 221. an air pump; 222. an air inlet pipe;

223. an air outlet pipe; 224. an electromagnetic valve; 225. a connecting pipe; 226. a header pipe; 227. an air bag; 228. and (4) inserting a tube.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Example 1

As shown in fig. 1, which is a schematic structural diagram of a hydraulic punch protection device according to a preferred embodiment of the present invention, the hydraulic punch protection device of this embodiment includes a housing assembly 1 and a stamping device 2, and the stamping device 2 is assembled on the back of the housing assembly 1.

As shown in fig. 2, which is a schematic structural view of the middle housing assembly of the present invention, the housing assembly 1 includes a frame 11, the bottom of the inner side of the frame 11 is movably connected with a lower template 14, two walls of the inner side of the frame 11 are provided with symmetrical sliding grooves 12, the back of the bottom of the inner side of the sliding grooves 12 at two sides is provided with a first through hole 13, and the top of the inner side of the sliding grooves 12 at two sides is provided with a second through hole 15; the sliding chute 12 and the second through hole 15 are used for installing the punching device 2, and the lower template 14 is matched with the punching device 2 to punch the workpiece.

As shown in fig. 3, which is a schematic structural diagram of the middle stamping device of the present invention, the stamping device 2 includes a pressing device 21 and a power device 22, and the power device 22 is assembled on the back of the pressing device 21; the lower template 14 is matched with the pressing device 21 for punching, and the power device 22 provides telescopic power for the pressing device 21.

As shown in fig. 4, it is the structural schematic diagram of the middle press device of the present invention, the press device 21 includes a cylinder 211, the telescopic end of the cylinder 211 is movably connected with a press plate 212, two sides of the press plate 212 are fixedly connected with symmetrical slide blocks 217, the slide blocks 217 on two sides are connected with symmetrical piston cylinders 215 in a sliding manner, the piston cylinders 215 on two sides are connected with piston rods 214 in a sliding manner, the outer wall of the piston cylinders 215 on two sides near the bottom is provided with air outlet holes 216, the upper ends of the piston rods 214 on two sides are fixedly connected with L-shaped connecting plates 213, and the lower ends of the L-shaped connecting plates 213 on two sides are fixedly connected with two sides of the press plate 212; the pressing plate 212 is driven to press down by the extension and the shortening of the air cylinder 211 to be matched with the lower template 14 for punching, the piston rod 214 can be driven to slide in the piston cylinder 215 when the pressing plate 212 is pressed down through the L-shaped connecting plate 213, and the gas in the piston rod 214 can be discharged when the piston rod 214 slides through the gas outlet hole 216.

As shown in fig. 5, which is a schematic structural diagram of the middle power device of the present invention, the power device 22 includes an air pump 221, the upper end of the air pump 221 is movably connected with an air outlet pipe 223, the lower end of the air pump 221 is movably connected with an air inlet pipe 222, the outer wall of the air outlet pipe 223 is movably connected with symmetrical electromagnetic valves 224, the electromagnetic valves 224 on two sides are movably connected with a connecting pipe 225, the end of the air inlet pipe 222 is fixedly connected with a collecting pipe 226, two ends of the collecting pipe 226 are movably connected with symmetrical air bags 227, and the back surfaces of the air bags 227 on two sides are movably connected with an insertion pipe 228; air is supplied by an air pump 221, opened and closed by a solenoid valve 224, inserted into the first through hole 13 through a tube 228 and connected to the air outlet hole 216, and both side connection pipes 225 are connected to the base portion of the cylinder 211.

The insertion tube 228 is inserted into the first through hole 13 and connected to the air outlet hole 216, the connection tubes 225 on both sides are connected to the base portion of the cylinder 211, the base portion of the cylinder 211 is movably connected to the top of the inner side of the frame 11, the piston rod 214 is inserted from the second through hole 15, and the piston cylinders 215 on both sides are movably connected to the inner portions of the sliding grooves 12 on both sides.

The working principle is as follows: air is introduced into the air outlet pipe 223 by starting the air pump 221, the cylinder 211 is controlled to extend and shorten by opening and closing the electromagnetic valve 224, when the cylinder 211 extends to drive the pressing plate 212 to descend, the piston rod 214 is driven to press downwards in the piston cylinder 215 through the L-shaped connecting plate 213, the internal air is pressed out from the air outlet hole 216 and enters the air bag 227 through the insertion pipe 228, the internal air enters the air pump 221 through the collecting pipe 226 and the air inlet pipe 222, circulation is achieved, the air inside the piston cylinder 215 is blocked at the electromagnetic valve 224 when the cylinder 211 and the pressing plate 212 slide downwards through gravity, the internal air cannot circulate, the cylinder 211 cannot extend, and therefore an operator cannot feel dangerous.

Example 2

As shown in fig. 1-5, it is the structure schematic diagram of a hydraulic press protection device according to another preferred embodiment of the present invention, a hydraulic press protection device of this embodiment, on the basis of embodiment 1, because the inside air of the long-time use cycle of the equipment can leak, the internal air storage of the cycle in the punching device 2 can be visually seen through the setting of the air bag 227, so as to add the air to the interior in time, and avoid influencing the stroke length of the air cylinder 211 due to insufficient air.

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 punch protection device comprises a shell assembly (1), wherein a punching device (2) is assembled on the back surface of the shell assembly (1),

the method is characterized in that:

stamping device (2) including pushing down device (21), the back of pushing down device (21) be equipped with power device (22), power device (22) including air pump (221), air pump (221) upper end swing joint have outlet duct (223) and lower extreme swing joint have intake pipe (222), swing joint has solenoid valve (224) of symmetry on the outer wall of outlet duct (223), swing joint has connecting pipe (225) on both sides solenoid valve (224), terminal fixedly connected with pressure manifold (226) of intake pipe (222), the both ends swing joint of pressure manifold (226) has symmetry gasbag (227), the back swing joint of both sides gasbag (227) has intubate (228).

2. The hydraulic punch protection device of claim 1, wherein: the lower pressure device (21) include cylinder (211), the flexible end swing joint of cylinder (211) have clamp plate (212), the both sides fixedly connected with symmetrical slider (217) of clamp plate (212), the inside sliding connection of both sides slider (217) has symmetrical piston tube (215), the inside sliding connection of both sides piston tube (215) has piston rod (214), be provided with venthole (216) on the outer wall that both sides piston tube (215) are close to the bottom, the upper end fixedly connected with L type connecting plate (213) of both sides piston rod (214), the lower extreme of both sides L type connecting plate (213) and the both sides fixed connection of clamp plate (212).

3. The hydraulic punch protection device of claim 2, wherein: the shell assembly (1) comprises a rack (11), the inner bottom of the rack (11) is movably connected with a lower template (14), two symmetrical sliding grooves (12) are formed in two inner walls of the lower template, a first through hole (13) is formed in the back of the inner bottom of the sliding grooves (12) in two sides, and a second through hole (15) penetrating through the top of the inner side is formed in the back of the inner bottom of the sliding grooves (12) in two sides.

4. The hydraulic punch protection device of claim 3, wherein: the insertion pipe (228) is inserted into the first through hole (13) and connected with the air outlet hole (216), and the connecting pipes (225) at two sides are connected with the base part of the air cylinder (211).

5. The hydraulic punch protection device of claim 4, wherein: the base part of the cylinder (211) is movably connected with the top of the inner side of the frame (11), the piston rod (214) is inserted from the second through hole (15), and the piston cylinders (215) at two sides are movably connected with the inner parts of the sliding grooves (12) at two sides.