Oil cylinder of hydraulic bending machine

Abstract

The utility model discloses an oil cylinder of a hydraulic bending machine, which relates to the technical field of oil cylinders and comprises an oil cylinder body, a movable cavity is arranged inside the oil cylinder body, the inner wall of the movable cavity is slidably connected with a limit slider, the inner wall of the limit slider is fixedly connected with a limit frame, and the inner wall of the limit frame is slidably connected with a bending die body. A fixing mechanism is arranged in the limiting sliding block, and a pressure relief mechanism is arranged in the movable cavity. According to the bending die, the rapid limiting effect on the bending die body can be conveniently achieved through the arrangement of the limiting frame, the bending die body can be rapidly clamped and fixed through the arrangement of the fixing mechanism, rapid installation operation of the bending die body can be achieved through mutual cooperative use of the limiting frame and the bending die body, and the bending die is convenient to use. And therefore, the bending die body mounted at the telescopic end of the oil cylinder can be conveniently and quickly disassembled, and the working efficiency of operators is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of oil cylinder, specifically a hydraulic bending machine oil cylinder. BACKGROUND

[0002] Hydraulic bending machine as an important metal processing equipment, has wide application in mechanical manufacturing, automobile manufacturing, aerospace etc., wherein, the oil cylinder is one of the core components of the hydraulic bending machine, and its function is to provide the force required for bending.

[0003] Under the prior art, the hydraulic bending machine oil cylinder has certain deficiencies in the use process, one of which is that the bending die installed at the telescopic end of the oil cylinder is inconvenient to disassemble quickly, in the prior art, usually fastening installation is carried out through a plurality of bolts, and this connection mode is often relatively complex, when replacing the die, the operator needs to disassemble the bolts one by one by means of a plurality of tools, the process is cumbersome and time-consuming and laborious, and in this process, error operation is prone to occur, the working efficiency of the operator is reduced, and certain deficiencies exist. UTILITY MODEL CONTENTS

[0004] The utility model aims at making up for the deficiency of prior art, and provides a hydraulic bending machine oil cylinder.

[0005] In order to achieve the above-mentioned purpose, the utility model provides the following technical scheme: a hydraulic bending machine oil cylinder, which comprises an oil cylinder body, an activity chamber is arranged in the oil cylinder body, a limiting sliding block is slidably connected to the inner wall of the activity chamber, a limiting frame is fixedly connected to the inner wall of the limiting sliding block, a bending die body is slidably connected to the inner wall of the limiting frame, a fixing mechanism is arranged in the limiting sliding block, and a pressure relief mechanism is arranged in the activity chamber.

[0006] Further, the fixing mechanism comprises an adjusting screw rotatably connected to the inner wall of the limiting sliding block, one end of the adjusting screw is fixedly connected with an adjusting knob, the outer surface of the adjusting knob is in contact with the outer surface of the limiting sliding block, the other end of the adjusting screw is fixedly connected with a limiting disc, and the outer surface of the limiting disc is rotatable with the inner wall of the limiting frame.

[0007] Further, the outer surface of the adjusting screw is threadedly connected with a limiting plate, the outer surface of the limiting plate is slidably connected with the inner wall of the limiting sliding block, the outer surface of the limiting plate is fixedly connected with a fixed insertion rod, the outer surface of the fixed insertion rod is slidably connected with the inner wall of the limiting frame, and the fixed insertion rod is inserted into the inside of the bending die body.

[0008] Further, the inner wall of the limiting plate is slidably connected with a limiting sliding rod, and both ends of the limiting sliding rod are fixedly connected with the inner wall of the limiting sliding block.

[0009] Further, the pressure relief mechanism comprises a limiting column in sliding connection with the inner wall of the limiting slide block, both ends of the limiting column are fixedly connected with the inner wall of the movable chamber, and the outer surface of the limiting column is fixedly connected with a buffer pad, and the outer surface of the buffer pad is fixedly connected with the inner wall of the movable chamber.

[0010] Further, the outer surface of the limiting column is sleeved with an elastic element, one end of the elastic element is fixedly connected with the outer surface of the limiting slide block, and the other end of the elastic element is fixedly connected with the outer surface of the buffer pad.

[0011] Compared with the prior art, the hydraulic bending machine oil cylinder has the following beneficial effects:

[0012] 1、The utility model discloses a limiting frame is set up, and the quick limiting effect of bending die body is realized, the fixed mechanism is set up, and the bending die body can be clamped and fixed quickly, and the quick installation operation of bending die body is realized through the cooperation between the limiting frame and the bending die body, and then the bending die body of the oil cylinder telescopic end can be conveniently and quickly disassembled, thereby the work efficiency of operating personnel is improved.

[0013] 2、The utility model discloses through to the direction of buffer pad to elastic element pressure, and then the elastic element will change and store certain elastic potential energy, and then the force of pressure can be buffered, so as to absorb the impact force and vibration generated in the bending process, prolong the service life of equipment. ACCURACY OF DRAWINGS

[0014] Fig. 1 It is the schematic diagram of the front view structure of the utility model;

[0015] Fig. 2 It is the schematic diagram of the section structure of the utility model;

[0016] Fig. 3 It is the schematic diagram of part structure of the utility model;

[0017] Fig. 4 It is the schematic diagram of the fixed mechanism of the utility model;

[0018] Fig. 5 It is the schematic diagram of the pressure relief mechanism of the utility model.

[0019] In the drawing: 1, oil cylinder body;2, movable chamber;3, limiting slide block;4, limiting frame;5, bending die body;6, fixed mechanism;601, adjusting screw;602, adjusting knob;603, limiting disc;604, limiting plate;605, fixed plug;606, limiting slide rod;7, pressure relief mechanism;701, limiting column;702, buffer pad;703, elastic element. DETAILED DESCRIPTION

[0020] The principles and characteristics of the utility model are described below in combination with the drawings, and the examples are only used to explain the utility model and not to limit the scope of the utility model.

[0021] The embodiment provides a hydraulic bending machine oil cylinder, the utility model discloses through setting the limiting frame 4, it is convenient to realize the quick limiting effect of bending die body 5, through the fixed mechanism 6 that sets up, can be quickly clamped and fixed to bending die body 5, through the mutual cooperation of limiting frame 4 and bending die body 5, can realize the quick installation operation of bending die body 5, and then can conveniently the bending die body 5 of installing the oil cylinder telescopic end is quickly disassembled, thereby improve the work efficiency of operating personnel.

[0022] Referring to Figs. 1-5 A hydraulic bending machine oil cylinder, including oil cylinder body 1, the inside of oil cylinder body 1 is provided with movable chamber 2, the inner wall of movable chamber 2 is slidably connected with limiting slide 3.

[0023] Movable chamber 2 and limiting slide 3 are integrally designed as convex, and the two can play the effect of clamping and limiting, movable chamber 2 can avoid limiting slide 3 to separate and incline, improve the stability when limiting slide 3 moves.

[0024] The inner wall of limiting slide 3 is fixedly connected with limiting frame 4.

[0025] The inside of limiting frame 4 is provided with limiting sliding hole that is matched with the size of fixed insertion rod 605, can realize the limiting effect of fixed insertion rod 605, improve the stability of fixed insertion rod 605 to the fixed bending die body 5.

[0026] The inner wall of limiting frame 4 is slidably connected with bending die body 5, the outer surface of limiting plate 604 is fixedly connected with fixed insertion rod 605, the outer surface of fixed insertion rod 605 is slidably connected with the inner wall of limiting frame 4, and fixed insertion rod 605 is inserted into the inside of bending die body 5.

[0027] The inside of bending die body 5 is provided with insertion hole that is matched with fixed insertion rod 605, and fixed insertion rod 605 is inserted into insertion hole to realize the fixed effect of bending die body 5.

[0028] The inside of limiting slide 3 is provided with fixed mechanism 6.

[0029] Fixed mechanism 6 includes adjusting screw 601 rotatably connected with the inner wall of limiting slide 3, one end of adjusting screw 601 is fixedly connected with adjusting knob 602, and the outer surface of adjusting knob 602 is in contact with the outer surface of limiting slide 3.

[0030] The outer surface of the adjusting knob 602 is designed with anti-skid lines, which can improve the friction with fingers, and thus can save more labor when rotating the adjusting knob 602.

[0031] The other end of the adjusting screw 601 is fixedly connected with a limiting disc 603, and the outer surface of the limiting disc 603 is rotatable with the inner wall of the limiting frame 4.

[0032] The outer surface of the adjusting screw 601 is threadedly connected with a limiting plate 604, and the outer surface of the limiting plate 604 is slidable with the inner wall of the limiting slide block 3.

[0033] The inner wall of the limiting plate 604 is slidably connected with a limiting slide rod 606, and both ends of the limiting slide rod 606 are fixedly connected with the inner wall of the limiting slide block 3.

[0034] The limiting slide rod 606 can limit the limiting plate 604, so that the limiting plate 604 moves horizontally, improves the stability of the limiting plate 604 during movement, and improves the firmness of the fixed inserting rod 605 when fixing the bending mold body 5.

[0035] The inside of the movable chamber 2 is provided with a pressure relief mechanism 7.

[0036] The pressure relief mechanism 7 includes a limiting column 701 slidably connected with the inner wall of the limiting slide block 3, and both ends of the limiting column 701 are fixedly connected with the inner wall of the movable chamber 2.

[0037] Both ends of the limiting column 701 are fixedly connected with the inner top wall and the inner bottom wall of the movable chamber 2, and the limiting column 701 can limit and guide the limiting slide block 3 during movement, thereby improving the stability of the limiting slide block 3 during movement.

[0038] The outer surface of the limiting column 701 is fixedly connected with a buffer pad 702, and the outer surface of the buffer pad 702 is fixedly connected with the inner wall of the movable chamber 2.

[0039] The buffer pad 702 is made of rubber, which can effectively reduce the vibration of the bending mold body 5 transmitted to the fuselage and reduce noise.

[0040] The outer surface of the limiting column 701 is sleeved with an elastic member 703.

[0041] The elastic member 703 is made of spring, which has elasticity, can stretch and rebound, deform under stress and store certain potential energy, and can achieve the effect of buffering when the limiting slide block 3 is impacted.

[0042] One end of the elastic member 703 is fixedly connected with the outer surface of the limiting slide block 3, and the other end of the elastic member 703 is fixedly connected with the outer surface of the buffer pad 702.

[0043] When the oil cylinder body 1 drives the bending die body 5 to bend the workpiece, the bending die body 5 will produce a certain impact force when contacting the workpiece, at this time, the bending die body 5 will drive the limiting sliding block 3 to gradually shrink into the movable chamber 2, thereby making the limiting sliding block 3 press the elastic piece 703, thereby making the elastic piece 703 deform and store a certain elastic potential energy, thereby being able to buffer the pressure, thereby being able to absorb the impact force and vibration generated in the bending process of the bending die body 5, prolonging the service life of the equipment.

[0044] Working principle: when the utility model in using, if need to disassemble the bending die body 5, first anticlockwise rotation adjusting knob 602, adjusting knob 602 will drive adjusting screw 601 and limiting disc 603 follow rotation, adjusting screw 601 in the rotation process will drive limiting plate 604 to move away from limiting frame 4, limiting plate 604 will drive fixed insertion rod 605 to move simultaneously, thereby making fixed insertion rod 605 from the inside of bending die body 5 draw out, at this time, the fixed limiting effect of bending die body 5 can be removed, then bending die body 5 is drawn out from limiting frame 4 and can realize the disassembly work of bending die body 5, thereby being able to facilitate the quick disassembly of the bending die body 5 installed at the telescopic end of the oil cylinder, thereby improving the work efficiency of the operator, when the oil cylinder body 1 drives the bending die body 5 to bend the workpiece, the bending die body 5 will produce a certain impact force when contacting the workpiece, at this time, the bending die body 5 will drive the limiting sliding block 3 to gradually shrink into the movable chamber 2, thereby making the limiting sliding block 3 press the elastic piece 703, thereby making the elastic piece 703 deform and store a certain elastic potential energy, thereby being able to buffer the pressure, thereby being able to absorb the impact force and vibration generated in the bending process of the bending die body 5, prolonging the service life of the equipment.

[0045] The above only describes the preferred embodiments of the utility model, and does not limit the utility model, any modification, equivalent replacement, improvement, etc. within the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. Hydraulic bending press ram comprising a ram body (1), characterized in that: The inside of the oil cylinder body (1) is provided with a movable chamber (2), the inner wall of the movable chamber (2) is slidably connected with a limiting sliding block (3), the inner wall of the limiting sliding block (3) is fixedly connected with a limiting frame (4), the inner wall of the limiting frame (4) is slidably connected with a bending die body (5), the inside of the limiting sliding block (3) is provided with a fixing mechanism (6), the fixing mechanism (6) comprises an adjusting screw rod (601) rotatably connected with the inner wall of the limiting sliding block (3), one end of the adjusting screw rod (601) is fixedly connected with an adjusting knob (602), the outer surface of the adjusting knob (602) is in contact with the outer surface of the limiting sliding block (3), the other end of the adjusting screw rod (601) is fixedly connected with a limiting disc (603), the outer surface of the limiting disc (603) is rotatable with the inner wall of the limiting frame (4), the outer surface of the adjusting screw rod (601) is threadedly connected with a limiting plate (604), the outer surface of the limiting plate (604) is slidably connected with the inner wall of the limiting sliding block (3), the outer surface of the limiting plate (604) is fixedly connected with a fixed insertion rod (605), the outer surface of the fixed insertion rod (605) is slidably connected with the inner wall of the limiting frame (4), and the fixed insertion rod (605) is inserted into the inside of the bending die body (5), the inside of the movable chamber (2) is provided with a pressure relief mechanism (7).

2. Hydraulic press brake ram according to claim 1, characterized in that The inner wall of the limiting plate (604) is slidably connected with a limiting sliding rod (606), and both ends of the limiting sliding rod (606) are fixedly connected with the inner wall of the limiting sliding block (3).

3. The hydraulic bending machine cylinder according to claim 1, characterized in that: The pressure relief mechanism (7) comprises a limiting column (701) slidably connected with the inner wall of the limiting sliding block (3), and both ends of the limiting column (701) are fixedly connected with the inner wall of the movable chamber (2), the outer surface of the limiting column (701) is fixedly connected with a buffer pad (702), and the outer surface of the buffer pad (702) is fixedly connected with the inner wall of the movable chamber (2).

4. The hydraulic press brake cylinder of claim 3, wherein: The outer surface of the limiting column (701) is sleeved with an elastic member (703), one end of the elastic member (703) is fixedly connected with the outer surface of the limiting sliding block (3), and the other end of the elastic member (703) is fixedly connected with the outer surface of the buffer pad (702).

Images