Hydraulic oil cylinder structure for bending machine

By introducing a motor-driven positive and negative threaded rod and a perforated control plate structure into the hydraulic cylinder of the bending machine, the quick disassembly and installation of the mold connectors are realized, solving the problem of inconvenient mold replacement and improving the bending efficiency of the workpiece.

CN223603273UActive Publication Date: 2025-11-28HEFEI ZHIBIDA HYDRAULIC TECH CO LTD
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202422916485.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-28
Publication Date
2025-11-28
Estimated Expiration
2034-11-28

AI Technical Summary

Technical Problem

The hydraulic cylinders of existing bending machines are not easy to disassemble quickly when changing molds, which affects the bending speed of the workpiece.

Method used

It adopts a motor-driven positive and negative threaded rod and a control board structure with holes. The threaded connection enables quick disassembly and installation of mold connectors. Combined with the movement of the insert plate and slide bar, it enables quick mold replacement.

Benefits of technology

It improves the speed of mold changeover, enhances the stability and extrusion resistance of mold connections, and increases the efficiency of workpiece bending.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN223603273U_ABST
    Figure CN223603273U_ABST
Patent Text Reader

Abstract

The utility model discloses a hydraulic oil cylinder structure for a bending machine. The hydraulic oil cylinder structure comprises an oil cylinder body, the mounting base is mounted at the telescopic end of the oil cylinder body; and the control mechanism is installed behind the installation base and comprises a rack installed on the back face of the installation base, the right side face of the rack is fixedly connected with a motor, the output end of the motor is fixedly connected with a right-hand and left-hand threaded rod, and a control structure is arranged on the outer surface of the right-hand and left-hand threaded rod. According to the device, through cooperation of a motor, a positive and negative threaded rod and a through opening, the positive and negative threaded rod can slide in the direction of the through opening, then the two perforated control plates can be controlled to get close to each other and get away from each other, through cooperation of the perforated control plates and the sliding rods, the sliding rods can push the inserting plates to move, and then limiting of a mold connecting piece can be relieved; and a worker can quickly disassemble and replace the die connecting piece, the die can be quickly replaced, the time required for replacing the die is shortened, and the bending efficiency of the workpiece is improved.
Need to check novelty before this filing date? Find Prior Art

Description

TECHNICAL FIELD

[0001] The utility model relates to a bending machine technical field especially a hydraulic cylinder structure for bending machine. BACKGROUND

[0002] The bending machine is a kind of machine that can bend sheet, and is divided into manual bending machine, hydraulic bending machine and numerical control bending machine, and its structure mainly includes support, workbench and clamping plate, the workbench is placed on the support, and the workbench is composed of base and pressing plate.

[0003] At present, when the bending machine works, the hydraulic cylinder is an essential part of the bending machine, and the current hydraulic cylinder can provide power for the bending mechanism when being used, but there are still some deficiencies in the process of use, for example, when the hydraulic cylinder installs bending mould, the mould is generally connected by connecting piece, but the connecting piece and the mould are not convenient to disassemble quickly when changing the mould, so as to affect the speed of workpiece bending, therefore, the utility model provides a hydraulic cylinder structure for bending machine to solve the above problems. UTILITY MODEL CONTENTS

[0004] The utility model aims at providing a hydraulic cylinder structure for bending machine to solve the problems in the background art.

[0005] To achieve the above object, the utility model provides the following technical scheme.

[0006] A hydraulic cylinder structure for bending machine, including oil cylinder body, installation base is installed in the telescopic end of oil cylinder body, control mechanism is installed in the rear of installation base, including the rack of installation base back, the right side surface of rack is fixedly connected with motor, the output of motor is fixedly connected with positive and negative screw rod, the outer surface of positive and negative screw rod is provided with control structure, positioning mechanism is installed in the left and right sides of installation base, including two control shells with hole, the inner wall of every control shell with hole is slidably connected with slide rod, and the end of two slide rods, which are close to each other, is fixedly connected with plugboard, mould installation mechanism is installed in the inside of installation base, including mould connecting piece that is slidably connected to the inner wall of installation base, and the left and right side surfaces of mould connecting piece and the left and right side surfaces of installation base are all provided with recess.

[0007] In further embodiments, the outer surface of the oil cylinder body is fixedly connected with a mounting ring, and the outer surface of the telescopic end of the oil cylinder body is fixedly connected with a fixed seat, and the bottom surface of the fixed seat is fixedly connected with the upper surface of the installation base.

[0008] In further embodiments, the control structure of the control mechanism comprises two hole control plates threadedly connected to the outer surface of the positive and negative threaded rods, and the front face of the rack is provided with two through openings, and the mutually close side faces of the two hole control plates are fixedly connected with the mutually far side faces of the two slide rods.

[0009] In further embodiments, the mutually close ends of the two insertion plates respectively extend into the interiors of the two groups of grooves.

[0010] In further embodiments, the inner wall of the mold connecting piece is fixedly connected with two support plates, and the front face of the mold connecting piece is fixedly connected with a pull handle.

[0011] In further embodiments, the outer surface of the positive and negative threaded rod is fixedly connected with two limiting rings.

[0012] Compared with the prior art, the utility model has the beneficial effects that:

[0013] The device can make the positive and negative threaded rod slide along the direction of the through opening, and thus control the mutually close and mutually far of the two hole control plates, and through the cooperation of the hole control plate and the slide rod, the slide rod can push the insertion plate to move, and thus the limitation of the mold connecting piece can be removed, the staff can quickly disassemble and replace the mold connecting piece, the mold can be quickly replaced, the time required for replacing the mold is reduced, and the bending efficiency of the workpiece is improved. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is a perspective view of the hydraulic cylinder structure for the bending machine.

[0015] Figure 2 It is a perspective view of the side view of the hydraulic cylinder structure for the bending machine.

[0016] Figure 3 It is a perspective view of the hydraulic cylinder structure for the bending machine.

[0017] Figure 4 It is a perspective view of the hydraulic cylinder structure for the bending machine.

[0018] In the figure: 1, oil cylinder body; 101, mounting ring; 102, fixed seat; 2, mounting base; 3, control mechanism; 301, rack; 302, motor; 303, positive and negative threaded rod; 304, limiting ring; 305, hole control plate; 306, through opening; 4, positioning mechanism; 401, hole control shell; 402, slide rod; 403, insertion plate; 5, mold mounting mechanism; 501, mold connecting piece; 502, support plate; 503, pull handle; 504, groove. DETAILED DESCRIPTION

[0019] In the description of the utility model, it needs to be understood that the orientation or positional relationship indicated by the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like is the orientation or positional relationship shown based on the drawings, and is only for the convenience of describing the utility model and simplifying the description, and therefore cannot be understood as indicating or implying that the device or element indicated must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the utility model. In addition, the terms "first", "second" and the like are only for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the technical features indicated. Therefore, the features limited by "first", "second" and the like can explicitly or implicitly include one or more of the features. In the description of the utility model, the meaning of "a plurality of" is two or more, unless otherwise specified.

[0020] In the description of the utility model, it needs to be understood that, unless otherwise explicitly specified and limited, the terms "mounting", "connection", "connecting" should be understood in a broad sense, for example, it can be fixed connection, or detachable connection, or integrally connected; it can be mechanical connection, or electrical connection; it can be directly connected, or indirectly connected through an intermediate medium, or the communication between the two elements inside. For ordinary skilled persons in the art, the specific meaning of the above terms in the utility model can be understood through specific circumstances.

[0021] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary skilled persons in the art without creative labor belong to the scope of protection of the utility model.

[0022] Please refer to Figures 1-4The utility model discloses a hydraulic cylinder structure for bending machine, including oil cylinder body 1, install base 2, install in the telescopic end of oil cylinder body 1, control mechanism 3, install in the rear of install base 2, including the rack 301 of installing in install base 2 back, the right side surface fixed connection of rack 301 has motor 302, the output fixed connection of motor 302 has positive and negative screw rod 303, and the outer surface of positive and negative screw rod 303 is provided with control structure, positioning mechanism 4, install in the left and right sides of install base 2, including two hole control shell 401, the inner wall of every hole control shell 401 is slidably connected with slide 402, and the end of mutual approach of two slide 402 is fixedly connected with plugboard 403, mould mounting mechanism 5, install in the inside of install base 2, including the mould connecting piece 501 of sliding connection in install base 2 inner wall, and the left and right two side surfaces of mould connecting piece 501 and the left and right two side surfaces of install base 2 are all set up with recess 504.

[0023] In the embodiment, the outer surface of the oil cylinder body 1 is fixedly connected with the mounting ring 101, the outer surface of the telescopic end of the oil cylinder body 1 is fixedly connected with the fixed seat 102, the bottom surface of the fixed seat 102 is fixedly connected with the upper surface of the install base 2, the oil cylinder body 1 can be installed and positioned through the mounting ring 101, and the stability of the connection between the fixed seat 102 and the install base 2 can be increased, the control structure of the control mechanism 3 includes two hole control plates 305 threadedly connected with the outer surface of the positive and negative screw rod 303, two through openings 306 are formed in the front surface of the rack 301, one side surface of the two hole control plates 305 away from each other is fixedly connected with one side surface of the two slides 402 away from each other, and the force can be transmitted to the slide 402 through the hole control plate 305, so that the slide 402 can control the plugboard 403 to move.

[0024] In the embodiment, the two plugboards 403 extend to the inside of the two groups of recesses 504 respectively, the mold mounting mechanism 5 can be positioned by inserting the plugboard 403 into the inside of the recess 504, and the mold mounting mechanism 5 is prevented from loosening, the inner wall of the mold connecting piece 501 is fixedly connected with two support plates 502, the front surface of the mold connecting piece 501 is fixedly connected with a pull handle 503, the mold connecting piece 501 can be supported by the support plate 502, the stability and the extrusion resistance of the connection of the mold connecting piece 501 are increased, and the outer surface of the positive and negative screw rod 303 is fixedly connected with two limiting rings 304, the hole control plate 305 can be limited by the limiting ring 304, and the hole control plate 305 is prevented from sliding to the threadless area.

[0025] The working principle of the utility model is:

[0026] In use, the oil cylinder body 1 is installed on the bending machine through the mounting ring 101, and then the die is installed on the die mounting mechanism 5. When the die needs to be replaced, the motor 302 is started, the motor 302 drives the forward and reverse threaded rod 303 to rotate, the forward and reverse threaded rod 303 is connected with the threaded hole control plate 305 through the threaded connection, the threaded hole control plate 305 can pull the sliding rod 402 to move, the plug plate 403 moves out of the groove 504, the positioning of the die mounting mechanism 5 is released, the die connecting piece 501 is pulled out, and at the same time, the prepared die connecting piece 501 is installed in the inside of the mounting base 2. The motor 302 is controlled to rotate reversely, the threaded hole control plate 305, the sliding rod 402 and the plug plate 403 position the die connecting piece 501, and the quick die replacement is completed.

[0027] It is obvious to a person skilled in the art that the present application is not limited to the details of the above exemplary embodiments, and the present application can be implemented in other specific forms without departing from the spirit or essential characteristics of the present application. Therefore, the embodiments should be regarded as exemplary and non-limiting, and the scope of the present application is defined by the appended claims rather than the above description, and therefore all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the present application. Any reference signs in the claims should not be regarded as limiting the claims involved.

[0028] In addition, it should be understood that although the present specification is described in terms of embodiments, not every embodiment contains only one independent technical solution, and the description manner of the specification is only for the sake of clarity, and a person skilled in the art should regard the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that can be understood by a person skilled in the art.

Claims

1. A hydraulic cylinder structure for a bending machine, characterized by: Including the oil cylinder body (1); The mounting base (2) is installed at the telescopic end of the oil cylinder body (1); The control mechanism (3) is installed behind the mounting base (2), comprising a rack (301) installed on the back of the mounting base (2), the right side of the rack (301) is fixedly connected with a motor (302), the output end of the motor (302) is fixedly connected with a positive and negative threaded rod (303), and the outer surface of the positive and negative threaded rod (303) is provided with a control structure; The positioning mechanism (4) is installed on the left and right sides of the mounting base (2), comprising two hole control shells (401), the inner wall of each hole control shell (401) is slidably connected with a sliding rod (402), and the ends of the two sliding rods (402) close to each other are fixedly connected with a plugboard (403); The mold mounting mechanism (5) is installed inside the mounting base (2), comprising a mold connecting piece (501) slidably connected to the inner wall of the mounting base (2), and grooves (504) are formed in the left and right side faces of the mold connecting piece (501) and the left and right side faces of the mounting base (2).

2. The hydraulic cylinder structure for a bending machine according to claim 1, characterized in that: The outer surface of the oil cylinder body (1) is fixedly connected with a mounting ring (101), the outer surface of the telescopic end of the oil cylinder body (1) is fixedly connected with a fixed seat (102), and the bottom surface of the fixed seat (102) is fixedly connected with the upper surface of the mounting base (2).

3. The hydraulic cylinder structure for a bending machine according to claim 1, characterized in that: The control structure of the control mechanism (3) comprises two hole control plates (305) threaded on the outer surface of the positive and negative threaded rod (303), two through holes (306) are formed in the front of the rack (301), and the sides of the two hole control plates (305) close to each other are fixedly connected with the sides of the two sliding rods (402) away from each other.

4. The hydraulic cylinder structure for a bending machine according to claim 1, characterized in that: The two plugboards (403) extend into the two groups of grooves (504) respectively.

5. The hydraulic cylinder structure for a bending machine according to claim 1, characterized in that: The inner wall of the mold connecting piece (501) is fixedly connected with two supporting plates (502), and the front of the mold connecting piece (501) is fixedly connected with a pull handle (503).

6. The hydraulic cylinder structure for a bending machine according to claim 1, characterized in that: The outer surface of the positive and negative threaded rod (303) is fixedly connected with two limiting rings (304).