CN216263279U

CN216263279U - Pull-down type stroke limiting device for quick forging oil press

Info

Publication number: CN216263279U
Application number: CN202121767781.9U
Authority: CN
Inventors: 曾昭; 王家谈; 王强; 李村; 张俊
Original assignee: Zhenping Xingxing Electromechanical Manufacturing Co ltd
Current assignee: Zhenping Xingxing Electromechanical Manufacturing Co ltd
Priority date: 2021-07-31
Filing date: 2021-07-31
Publication date: 2022-04-12
Anticipated expiration: 2031-07-31

Abstract

The utility model discloses a pull-down type quick forging oil press stroke limiting device which comprises a first sleeve, wherein a first sliding hole is formed in one side of the first sleeve, a fixed block is connected in the first sliding hole in a sliding mode, a baffle is fixedly connected to one end of the fixed block, a fixed spring is fixedly connected between the baffle and the inner wall of the first sleeve, a second sleeve is connected to the outer wall of the first sleeve in a sliding mode, a mounting hole is formed in one side of the second sleeve, and an oil injection device is fixedly connected in the mounting hole. According to the utility model, the first sleeve is arranged on the oil press, when a hydraulic cylinder of the oil press fails and cannot fix the frame and the pressure head, a limiting effect can be achieved, the pressure head is prevented from directly hitting a workbench to cause damage to equipment, safety accidents caused by hitting workers can also be avoided, meanwhile, the second sleeve and the oil injection device are arranged outside the first sleeve, lubricating oil can be conveniently injected into the supporting shaft of the hydraulic press, the complexity of manual oil injection is avoided, and the working efficiency is improved.

Description

Pull-down type stroke limiting device for quick forging oil press

Technical Field

The utility model relates to the field of parts of a quick forging oil press, in particular to a pull-down type stroke limiting device of a quick forging oil press.

Background

The pull-down quick forging oil press has the advantages of low center of gravity of a main machine, small working vibration, stable operation, low requirement on the height of a factory building and the like; meanwhile, the contact of leaked oil and a high-temperature forging piece can be avoided, and a fire disaster is caused; the medium and small-sized fast forging oil press mostly adopts a pull-down structure. But the frame and the pressure head of this structure press all only are supported by the pneumatic cylinder, just make frame and pressure head landing easily when the pneumatic cylinder breaks down malfunctioning for the direct empty workstation of pounding of pressure head can lead to the fact the damage to pressure head or workstation, also has the possibility of pounding the workman simultaneously, has certain potential safety hazard.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the defects in the prior art, and provides a drop-down type quick forging oil press stroke limiting device, so that the problems in the prior art are solved.

In order to achieve the purpose, the utility model adopts the following technical scheme:

the utility model provides a drop-down formula is forged hydraulic press stroke limiting device soon, includes first sleeve pipe, first sheathed tube one side is equipped with first slide opening, sliding connection has the fixed block in the first slide opening, fixed block one end fixedly connected with baffle, fixedly connected with fixed spring between baffle and the first sheathed tube inner wall, first sheathed tube outer wall sliding connection has the second sleeve pipe, second sheathed tube one side is equipped with the mounting hole, fixedly connected with oiling device in the mounting hole, be equipped with the first groove of dodging on the first sheathed tube outer wall, first groove and oiling device sliding connection of dodging, be equipped with the second on the second sheathed tube outer wall and dodge the groove, the second dodges groove and fixed block sliding connection.

Preferably, first sheathed tube upside is equipped with a plurality of buffer hole, every equal sliding connection has the buffer beam in the buffer hole, equal fixedly connected with buffer spring between the hole bottom in every buffer beam and buffer hole. The top of the buffer rod is fixedly connected with a buffer plate.

Preferably, the oiling device comprises a moving rod, two oiling pipes are fixedly connected to two sides of the moving rod, a groove is formed in one end of the moving rod, steel balls are connected to the groove in a rolling mode, a sliding shaft is arranged at the other end of the moving rod, an extrusion plate is fixedly connected to one end of the sliding shaft, and injection pipes are arranged between the extrusion plate and the two oiling pipes.

Preferably, one end of the motion rod, which is far away from the steel ball, is provided with a second slide hole, the second slide hole is connected with the slide shaft in a sliding manner, an extrusion spring is fixedly connected between the slide shaft and the bottom of the second slide hole, two sides of the slide shaft are fixedly connected with limit strips, two sides of the inner wall of the second slide hole are provided with first limit grooves, two other sides of the inner wall of the second slide hole are provided with second limit grooves, and the depth of the second limit grooves is smaller than the first limit grooves.

Preferably, the injection tube comprises a hollow tube, a piston is connected in the hollow tube in a sliding mode, one end of the piston is fixedly connected with a push rod, one end of the push rod, far away from the piston, is fixedly connected with a pressing block, one side, close to the pressing block, of the extrusion plate is provided with a sinking groove, and the sinking groove is matched with the pressing block.

Preferably, one end of the oil filling pipe close to the injection pipe is provided with a conical groove, and one end of the hollow pipe close to the oil filling pipe is provided with a conical shape and matched with the conical groove.

The utility model has the advantages that: according to the pull-down type quick forging oil press stroke limiting device provided by the utility model, the first sleeve is arranged on the oil press, when a hydraulic cylinder of the oil press fails and cannot fix the frame and the pressure head, a limiting effect can be achieved, the pressure head is prevented from directly hitting a workbench to cause equipment damage, safety accidents caused by hitting workers can also be avoided, meanwhile, the second sleeve and the oil injection device are arranged outside the first sleeve, lubricating oil can be conveniently injected into a supporting shaft of the hydraulic press, the trouble of manual oil injection is avoided, and the working efficiency is improved.

Drawings

FIG. 1 is a schematic diagram of the basic structure of the present invention;

FIG. 2 is a schematic view of the basic structure of the oil injection device;

FIG. 3 is a schematic view of the present invention in use;

FIG. 4 is a sectional view of the supporting shaft of the oil press in example 1;

fig. 5 is a side view of the support shaft of the oil press in example 1.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model.

Example 1

As shown in fig. 1-5, the utility model provides a pull-down type stroke limiting device for a quick forging oil press, which comprises a first sleeve 1, a first sliding hole is formed on one side of the first sleeve 1, a fixed block 11 is slidably connected in the first sliding hole, a baffle 111 is fixedly connected at one end of the fixed block 11, a fixed spring 112 is fixedly connected between the baffle 111 and the inner wall of the first sleeve 1, a second sleeve 2 is slidably connected to the outer wall of the first sleeve 1, a mounting hole is formed on one side of the second sleeve 2, an oil injection device 3 is fixedly connected in the mounting hole, a first avoidance groove 12 is formed on the outer wall of the first sleeve 1, the first avoidance groove 12 is slidably connected with the oil injection device 3, a second avoidance groove 21 is formed on the outer wall of the second sleeve 2, the second avoidance groove 21 is slidably connected with the fixed block 11, the utility model is used in cooperation with the oil press 5, the oil press 5 comprises a base 51, a workbench 52 is fixedly connected to the upper side of the base 51, the upper side of the base 51 is also fixedly connected with two support shafts 53, the tops of the two support shafts 53 are fixedly connected with a cross beam 54 together, the lower side of the cross beam 54 is fixedly connected with a hydraulic cylinder 55, the lower side of the hydraulic cylinder 55 is fixedly connected with a frame 56, the frame 56 is arranged on the two support shafts 53 and is in sliding connection with the two support shafts 53, the lower side of the frame 56 is fixedly connected with a pressure head 57, each support shaft 53 is provided with the utility model, the first sleeve 1 is in sliding connection with the support shafts 53, the cross section of each support shaft 53 is circular, one side of each support shaft 53 is provided with an arc-shaped groove 531, one end of each fixed block 11 close to the support shaft 53 is semicircular, the groove bottom of each arc-shaped groove 531 extrudes the fixed block 11 in an initial state, so that the fixed spring 112 is compressed, the fixed block 11 of the fixed spring 112 can slide in the arc-shaped grooves 531, and the groove bottom of each arc-shaped groove 531 is provided with a plurality of fixing holes 532, when the fixed block 11 is matched with the fixing hole 532 at the bottom of the arc groove 531, the fixed block 11 is not pressed by the bottom of the arc groove 531 any more, and the fixed spring 112 pushes the fixed block 11 into the fixing hole 532, thereby fixing the first casing 1 to the support shaft 53.

The upside of first sleeve pipe 1 is equipped with a plurality of buffer hole 13, equal sliding connection has buffer beam 131 in every buffer hole 13, equal fixedly connected with buffer spring 132 between the hole bottom of every buffer beam 131 and buffer hole 13. The common fixedly connected with buffer board 133 in top of buffer rod 131, buffer board 133 can play the effect of buffering, in the hydraulic press normal operating, frame 56 and buffer board 133 contactless, receive when damaging or failure can't provide the support to frame 56 when pneumatic cylinder 55, frame 56 and buffer board 133 contact, compression buffer rod 131 causes the extrusion to buffer spring 132, buffer spring 132 can avoid the too big equipment damage that causes of impulsive force when frame 56 slides down, the holistic security of hydraulic press has been improved.

The oiling device 3 comprises a moving rod 31, two sides of the moving rod 31 are fixedly connected with two oiling pipes 32, one end of the moving rod 31 is provided with a groove, a steel ball 311 is connected in the groove in a rolling manner, the other side of the support shaft 53 far away from the arc-shaped groove 531 is provided with a guide groove 533, the steel ball 311 and the guide groove 533 are in rolling friction, when the first sleeve 1 slides on the support shaft 53, the steel ball 311 moves along the arc-shaped guide groove 533, so that the oiling device 3 and the second sleeve 2 are driven to slide on the first sleeve 1, at the moment, the second avoiding groove 21 of the second sleeve 2 slides relative to the fixed block 11, the first avoiding groove 12 on the first sleeve 1 slides relative to the oiling device 3, so that the oiling pipes 32 can rotate, the oiling range of the oiling pipes 32 is expanded, the oiling effect of oiling is better, the other end of the moving rod 31 is provided with a sliding shaft 33, one end of the sliding shaft 33 is fixedly connected with an extrusion plate 331, injection pipes 4 are provided between the squeeze plate 331 and both of the filler pipes 32.

A second sliding hole 312 is arranged at one end of the moving rod 31 far away from the steel ball 311, the second sliding hole 312 is connected with the sliding shaft 33 in a sliding manner, an extrusion spring 34 is fixedly connected between the sliding shaft 33 and the bottom of the second sliding hole 312, two sides of the sliding shaft 33 are fixedly connected with a limiting strip 332, two sides of the inner wall of the second sliding hole 312 are respectively provided with a first limiting groove 313, the other two sides of the inner wall of the second sliding hole 312 are also provided with a second limiting groove 314, the injection tube 4 comprises a hollow tube 41, a piston 42 is connected in the hollow tube 41 in a sliding manner, one end of the piston 42 is fixedly connected with a push rod 43, one end of the push rod 43 far away from the piston 42 is fixedly connected with a pressing block 44, one side of the pressing block 331 close to the pressing block 44 is provided with a sinking groove which is matched with the pressing block 44, the extrusion spring 34 contracts to drive the pressing block 331 to extrude the pressing block 44, so as to push the piston 42 to extrude the lubricating oil in the hollow tube 41 from the oil injection tube 32, thereby realizing the automatic oil injection to the supporting shaft 53, when oil injection is not needed, the sliding shaft 33 is drawn out and rotated, so that the limiting strip 332 is matched with the first limiting groove 313, and the extrusion plate 331 is not matched with the pressing block 44.

The end of the filler pipe 32 close to the injection pipe 4 is provided with a tapered groove, and the end of the hollow pipe 41 close to the filler pipe 32 is tapered and matched with the tapered groove.

When in use, the utility model is used in cooperation with an oil press 5, the oil press 5 comprises a base 51, a workbench 52 is fixedly connected to the upper side of the base 51, two support shafts 53 are fixedly connected to the upper side of the base 51, a cross beam 54 is fixedly connected to the tops of the two support shafts 53 together, a hydraulic cylinder 55 is fixedly connected to the lower side of the cross beam 54, a frame 56 is fixedly connected to the lower side of the hydraulic cylinder 55, the frame 56 is arranged on the two support shafts 53 and is in sliding connection with the two support shafts 53, a pressure head 57 is fixedly connected to the lower side of the frame 56, the utility model is arranged on each support shaft 53, a first sleeve 1 is in sliding connection with the support shafts 53, the cross section of each support shaft 53 is circular, an arc groove 531 is arranged on one side of each support shaft 53, one end of a fixed block 11 close to the support shafts 53 is designed to be semicircular, the groove bottom of the arc groove 531 extrudes the fixed block 11 in an initial state, so that the fixed spring 112 is compressed, the fixed block 11 of the fixed spring 112 can slide in the arc groove 531, the bottom of the arc groove 531 is provided with a plurality of fixing holes 532, when the fixed block 11 is matched with the fixing holes 532 at the bottom of the arc groove 531, the fixed block 11 is not extruded by the bottom of the arc groove 531 any more, the fixed spring 112 pushes the fixed block 11 into the fixing holes 532, thereby fixing the first sleeve 1 on the support shaft 53, when the oil press normally works, the frame 56 is not in contact with the buffer plate 133, when the hydraulic cylinder 55 is damaged or fails to provide support for the frame 56, the frame 56 is in contact with the buffer plate 133, the buffer rod 131 is compressed and extrudes the buffer spring 132, the buffer spring 132 can avoid the damage of the equipment due to overlarge impact force when the frame 56 slides down, the overall safety of the oil press is improved, when oil injection is needed, the first sleeve 1 slides on the support shaft 53, the steel ball 311 moves along the arc-shaped guide groove 533, thereby driving the oiling device 3 and the second sleeve 2 to slide on the first sleeve 1, at the moment, the second avoiding groove 21 of the second sleeve 2 slides relative to the fixing block 11, the first avoiding groove 12 on the first sleeve 1 slides relative to the oiling device 3, thereby enabling the oiling pipe 32 to rotate, the oiling range of the oiling pipe 32 is enlarged, the oiling effect is better, the extrusion spring 34 contracts to drive the extrusion plate 331 to extrude the pressing block 44, thereby pushing the piston 42 to extrude the lubricating oil in the hollow pipe 41 from the oiling pipe 32, automatic oiling of the support shaft 53 is realized, when oiling is not needed, the sliding shaft 33 is drawn out and rotated, so that the limiting strip 332 is matched with the first limiting groove 313, and the extrusion plate 331 is not matched with the pressing block 44.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a drop-down formula is forged hydraulic press limit for journey device soon, includes first sleeve pipe (1), its characterized in that: one side of first sleeve pipe (1) is equipped with first slide opening, sliding connection has fixed block (11) in the first slide opening, fixed block (11) one end fixedly connected with baffle (111), fixedly connected with fixed spring (112) between the inner wall of baffle (111) and first sleeve pipe (1), the outer wall sliding connection of first sleeve pipe (1) has second sleeve pipe (2), one side of second sleeve pipe (2) is equipped with the mounting hole, fixedly connected with oiling device (3) in the mounting hole, be equipped with the first groove (12) of dodging on the outer wall of first sleeve pipe (1), first groove (12) of dodging and oiling device (3) sliding connection, be equipped with the second on the outer wall of second sleeve pipe (2) and dodge groove (21), the second dodges groove (21) and fixed block (11) sliding connection.

2. The drop-down type quick forging oil press stroke limiting device according to claim 1, wherein: the upside of first sleeve pipe (1) is equipped with a plurality of buffer hole (13), every equal sliding connection has buffer beam (131) in buffer hole (13), equal fixedly connected with buffer spring (132) between the hole bottom of every buffer beam (131) and buffer hole (13), the common fixedly connected with buffer board (133) in top of buffer beam (131).

3. The drop-down type quick forging oil press stroke limiting device according to claim 1, wherein: the oiling device (3) comprises a moving rod (31), two oiling pipes (32) are fixedly connected to two sides of the moving rod (31), a groove is formed in one end of the moving rod (31), steel balls (311) are connected in the groove in a rolling mode, a sliding shaft (33) is arranged at the other end of the moving rod (31), an extrusion plate (331) is fixedly connected to one end of the sliding shaft (33), and the injection pipes (4) are arranged between the extrusion plate (331) and the two oiling pipes (32).

4. The drop-down type quick forging oil press stroke limiting device according to claim 3, wherein: one end, far away from steel ball (311), of motion bar (31) is equipped with second slide opening (312), second slide opening (312) and sliding shaft (33) sliding connection, fixedly connected with extrusion spring (34) between the hole bottom of sliding shaft (33) and second slide opening (312), the both sides fixedly connected with of sliding shaft (33) is spacing (332), the inner wall both sides of second slide opening (312) all are equipped with first spacing groove (313), the other both sides of inner wall of second slide opening (312) still are equipped with second spacing groove (314), the degree of depth of second spacing groove (314) is less than first spacing groove (313).

5. The drop-down type quick forging oil press stroke limiting device according to claim 3, wherein: injection pipe (4) include hollow tube (41), sliding connection has piston (42) in hollow tube (41), the one end fixedly connected with push rod (43) of piston (42), the one end fixedly connected with briquetting (44) of piston (42) are kept away from in push rod (43), one side that stripper plate (331) are close to briquetting (44) is equipped with heavy groove, heavy groove and briquetting (44) phase-match.

6. The drop-down type quick forging oil press stroke limiting device according to claim 5, wherein: the one end that oiling pipe (32) is close to injection pipe (4) is equipped with the tapered groove, the one end that hollow tube (41) are close to oiling pipe (32) sets up to the toper and with the tapered groove phase-match.