CN-224208874-U - Anti-unbalanced load device for slide block of electrohydraulic bending machine

Abstract

The utility model discloses an anti-unbalanced load device for a sliding block of an electro-hydraulic bending machine, and belongs to the technical field of electro-hydraulic bending machines. The utility model provides a device is prevented carrying by deflection by electrohydraulic bender slider, includes slider body and guide rail assembly, one side symmetry that the slider body is close to guide rail assembly is provided with the gag lever post, has cup jointed on the gag lever post and has prevented carrying by deflection subassembly, prevents carrying by deflection subassembly and guide rail assembly swing joint, prevents carrying by deflection subassembly and includes movable sleeve, translation piece and expansion bracket. According to the slide block unbalanced load preventing device for the electrohydraulic bending machine, disclosed by the utility model, the pressure on two sides of the slide block is dynamically balanced in real time through the closed-loop control of the pressure sensor and the telescopic frame, so that unbalanced load is effectively restrained, the machining precision of the bending machine is improved, the elastic pad and the pressure sensor are matched, the guide rail can be self-adapted to slightly wear, manual frequent adjustment is avoided, the design of the adjusting wedge block allows manual correction of a larger gap, and the service life of the guide rail is prolonged.

Inventors

• Rui Junxia
• Rui Riyin
• LIU KUN
• CHENG HUA

Assignees

• 南京麦德猛机械制造有限公司

Dates

Publication Date

20260508

Application Date

20250612

Claims (6)

1. 1. The utility model provides a device is carried in deflection preventing to electrohydraulic bender slider, includes slider body (1) and guide rail assembly (2), its characterized in that, one side symmetry that slider body (1) is close to guide rail assembly (2) is provided with gag lever post (11), has cup jointed on gag lever post (11) and has prevented deflection carrying subassembly (3), prevents deflection carrying subassembly (3) and guide rail assembly (2) swing joint, prevents deflection carrying subassembly (3) including movable sleeve (31), translation piece (32) and expansion bracket (33), the output and the movable sleeve (31) of expansion bracket (33) are connected, are provided with translation piece (32) in movable sleeve (31).
2. 2. The device for preventing unbalanced load of the slide block of the electro-hydraulic bending machine according to claim 1, wherein the movable sleeve (31) is of a hollow structure, movable holes (311) matched with the limiting rods (11) are formed in the upper side and the lower side of the movable sleeve (31), and the limiting rods (11) penetrate through the movable holes (311).
3. 3. The electrohydraulic bending machine sliding block unbalanced load preventing device according to claim 1, wherein the upper surface and the lower surface of the translation block (32) are of a homodromous inclined plane structure, a groove (111) matched with the translation block (32) is formed in the limit rod (11), the translation block (32) is clamped with the groove (111), extension rods (321) are arranged on two sides of the translation block (32), the extension rods (321) penetrate through the movable sleeve (31), and limit holes (312) matched with the extension rods (321) are formed in the movable sleeve (31).
4. 4. The device for preventing unbalanced load of the sliding block of the electrohydraulic bending machine according to claim 3, wherein one end of the extension rod (321) arranged outside the movable sleeve (31) is provided with a contact block (322), the surface of the contact block (322) is provided with an elastic pad (323), and the elastic pad (323) is embedded with a pressure sensor.
5. 5. The electro-hydraulic bending machine sliding block unbalanced load prevention device according to claim 1, wherein the guide rail assembly (2) comprises a reference guide rail groove (21), guide rail bodies (22) and an adjusting wedge block (23), the reference guide rail groove (21) is fixedly connected with a frame of the electro-hydraulic bending machine, the guide rail bodies (22) are fixedly connected to the middle position of the inner wall of the reference guide rail groove (21), and the adjusting wedge blocks (23) are arranged in the reference guide rail grooves (21) on two sides of the guide rail body (22).
6. 6. The anti-unbalanced load device of the electrohydraulic bending machine sliding block according to claim 5, wherein a sliding groove matched with the guide rail body (22) is formed on the movable sleeve (31), the sliding block body (1) is connected with the guide rail body (22) through the movable sleeve (31), a pushing inclined surface (313) is arranged on the movable sleeve (31) on two sides of the sliding groove, and the pushing inclined surface (313) is attached to the adjusting wedge block (23).

Description

Anti-unbalanced load device for slide block of electrohydraulic bending machine Technical Field The utility model relates to the technical field of electrohydraulic bending machines, in particular to a slide block unbalanced load preventing device of an electrohydraulic bending machine. Background In the actual use process of the electrohydraulic bending machine, the sliding block is easily subjected to eccentric load due to the asymmetric shape of the workpiece, uneven distribution of bending positions and the like, so that the problems of sliding block inclination, die abrasion aggravation, processing precision reduction and the like are caused, and even the service life and the safety of equipment are influenced when the electrohydraulic bending machine is serious. The prior art lacks an effective sliding block unbalanced load prevention structure, and cannot realize the functions of quick response and automatic adjustment. Disclosure of utility model The utility model aims to overcome the defects in the prior art, and provides an anti-unbalanced load device for a sliding block of an electrohydraulic bending machine, so as to solve the defects. In order to achieve the above purpose, the technical scheme provided by the utility model is as follows: The utility model relates to a sliding block unbalanced load prevention device of an electrohydraulic bending machine, which comprises a sliding block body and a guide rail assembly, wherein a limiting rod is symmetrically arranged on one side, close to the guide rail assembly, of the sliding block body, an unbalanced load prevention assembly is sleeved on the limiting rod and movably connected with the guide rail assembly, the unbalanced load prevention assembly comprises a movable sleeve, a translation block and a telescopic frame, the output end of the telescopic frame is connected with the movable sleeve, and the translation block is arranged in the movable sleeve. Preferably, the inside of the movable sleeve is of a hollow structure, the upper side and the lower side of the movable sleeve are provided with movable holes matched with the limiting rods, the limiting rods penetrate through the movable holes, and the movable holes limit the movable sleeve to move up and down only along the limiting rods. Preferably, the upper and lower surfaces of translation piece are homodromous inclined plane structure, offered on the gag lever post with translation piece assorted recess, translation piece and recess block, the both sides of translation piece are provided with the extension rod, and the extension rod runs through the movable sleeve, has offered the spacing hole with extension rod assorted on the movable sleeve, and the activity route of spacing hole control extension rod for translation piece can only horizontal migration. Preferably, a contact block is arranged at one end of the extension rod, which is arranged outside the movable sleeve, an elastic pad is arranged on the surface of the contact block, a pressure sensor is embedded in the elastic pad, and the elastic pad is in contact with the inner wall of the reference guide rail groove. Preferably, the guide rail assembly comprises a reference guide rail groove, a guide rail body and an adjusting wedge block, wherein the reference guide rail groove is fixedly connected with a frame of the electrohydraulic bending machine, the guide rail body is fixedly connected to the middle position of the inner wall of the reference guide rail groove, the adjusting wedge blocks are arranged in the reference guide rail grooves on two sides of the guide rail body, the adjusting wedge blocks are connected with the reference guide rail groove through screws, and the adjusting screws can drive the adjusting wedge blocks to displace. Preferably, a sliding groove matched with the guide rail body is formed in the movable sleeve, the sliding block body is connected with the guide rail body through the movable sleeve, a squeezing inclined plane is arranged on the movable sleeve on two sides of the sliding groove and is attached to the adjusting wedge block, and the offset of the movable sleeve and the sliding block body is adjusted through the squeezing inclined plane and the adjusting wedge block. Compared with the prior art, the technical scheme provided by the utility model has the following beneficial effects: According to the anti-unbalanced load device for the slide block of the electrohydraulic bending machine, disclosed by the utility model, the pressure on two sides of the slide block is dynamically balanced in real time through the closed-loop control of the pressure sensor and the telescopic frame, so that unbalanced load is effectively restrained, the machining precision of the bending machine is improved, the elastic pad and the pressure sensor are matched, the self-adaptive guide rail is slightly worn, manual frequent adjustment is avoided, the design of the adjusting wedge block allows manual correction of a larg