Hydraulic combined punching and shearing machine convenient to maintain

Abstract

The utility model relates to the technical field of hydraulic combined punching and shearing machines, in particular to a hydraulic combined punching and shearing machine convenient to maintain, which comprises a die, mounting plates are fixedly connected to the left side and the right side of the die, mounting holes are formed in the upper end faces of the two mounting plates in a penetrating manner, and fixing frames are arranged on the left side and the right side of the upper end face of a fixing plate. Limiting columns are fixedly connected to the lower end faces of the two fixing frames correspondingly, limiting grooves matched with the limiting columns are formed in the left side and the right side of the upper end face of the fixing plate correspondingly, the lower end faces of the four limiting columns are located in the four limiting grooves correspondingly, and the lower end faces of every two adjacent limiting columns penetrate through mounting holes correspondingly. And the positioning plate is moved out of the positioning hole and the limiting groove, fixing of the fixing frame is relieved, then the fixing frame is pulled upwards till the limiting column is separated from the limiting groove and the mounting hole, fixing of the mounting plate is relieved, and then the mold is conveniently disassembled, so that maintenance work is conducted on the mold.

Description

Technical Field

[0001] The utility model relates to the technical field of hydraulic combined punching and shearing machines, in particular to a hydraulic combined punching and shearing machine which is easy to maintain. Background Art

[0002] Hydraulic combined punching and shearing machine is a multifunctional forging equipment that can be used for shearing plates and round, square, angle and other profiles. By replacing the mold or tool, it can shear I-beams and channel steels. It can also complete stamping processes such as sheet metal blanking, bending, folding, deep drawing, etc. It is widely used in motor vehicles, ships, metallurgy, construction, agricultural machinery, bridges, repairs and other industries.

[0003] During the processing, the workpiece needs to be placed on the mold of the hydraulic combined punching and shearing machine for punching. The mold used needs to match the structure of the workpiece, and the mold needs to be maintained after long-term use.

[0004] At present, during the operation of hydraulic combined punching and shearing machines, the mold model is mostly installed by multiple bolts, which leads to a long time spent on disassembling the mold and inconvenience in maintaining the mold. Therefore, it is necessary to propose a hydraulic combined punching and shearing machine that is easy to maintain to solve the above-mentioned problems. Utility Model Content

[0005] The utility model aims to provide a hydraulic combined punching and shearing machine which is easy to maintain and has the characteristics of being easy to disassemble the mold so as to perform maintenance work on the mold.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a hydraulic combined punching and shearing machine that is easy to maintain, comprising a fixed plate, a mold is installed on the upper end surface of the fixed plate, a top plate is arranged above the fixed plate, a cylinder is installed on the upper end surface of the top plate, the output end of the cylinder passes through and extends to the bottom of the top plate and is fixedly connected with a punching head, the left and right sides of the mold are fixedly connected with mounting plates, the upper end surfaces of the two mounting plates are penetrated with mounting holes, the left and right sides of the upper end surface of the fixed plate are provided with fixing frames, the lower end surfaces of the two fixing frames are fixedly connected with limiting columns, the left and right sides of the upper end surface of the fixed plate are provided with limiting grooves matching the limiting columns, the lower end surfaces of the four limiting columns are located in the four limiting grooves, and the lower end surfaces of the two limiting columns close to each other are penetrated with mounting holes;

[0007] The left and right sides of the fixing plate are fixedly connected with fixing cavities, and positioning plates are installed through the insides of the two fixing cavities. The opposite sides of the two positioning plates are plugged into the two limiting grooves located on the outside.

[0008] In order to limit and fix the positioning plate, as a preferred embodiment of the utility model of a hydraulic combined punching and shearing machine that is easy to maintain, the outer walls of the two outer limiting columns are penetrated by positioning holes that match the positioning plate.

[0009] In order to assist the fixing frame and the limiting column to smoothly enter the mounting hole and the limiting groove, as a preferred embodiment of the utility model of a hydraulic combined punching and shearing machine that is easy to maintain, buffer springs are installed between the top ends of the inner walls of the two fixing frames and the fixing plates.

[0010] In order to enable the positioning plate to be inserted into the positioning hole and the limiting groove, as a preferred embodiment of the hydraulic combined punching and shearing machine that is easy to maintain in the utility model, springs that are sleeved on the outer wall of the positioning plate are installed inside the two fixed cavities, and pull plates are fixedly connected to the opposite sides of the two positioning plates.

[0011] In order to install or disassemble the mounting plate and the fixing plate, as a preferred embodiment of the utility model of a hydraulic combined punching and shearing machine that is easy to maintain, the fixing frame is in a U-shaped structure.

[0012] In order to support the top plate, as a preferred embodiment of the utility model of a hydraulic combined punching and shearing machine that is easy to maintain, a vertical plate is fixedly connected between the rear of the upper end surface of the fixed plate and the top plate.

[0013] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0014] The utility model first moves the positioning plate out of the positioning hole and the limiting groove to release the fixation of the fixing frame, and then pulls the fixing frame upward until the limiting column is separated from the limiting groove and the mounting hole, thereby releasing the fixation of the mounting plate, thereby facilitating the disassembly of the mold and performing maintenance work on the mold. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is the overall structure diagram of the utility model;

[0016] Figure 2 This is a structural diagram of the fixing frame of the utility model;

[0017] Figure 3 For the utility model Figure 2 Enlarged view of point A.

[0018] In the figure: 1. fixing plate; 101. mold; 102. mounting plate; 103. mounting hole; 2. top plate; 201. cylinder; 202. punching head; 203. vertical plate; 3. fixing frame; 301. limiting column; 302. positioning hole; 303. limiting groove; 4. positioning plate; 401. fixing cavity; 402. spring; 403. pulling plate. DETAILED DESCRIPTION

[0019] See also Figures 1 to 3 A hydraulic combined punching and shearing machine that is easy to maintain comprises a fixed plate 1, a mold 101 is installed on the upper end surface of the fixed plate 1, a top plate 2 is arranged above the fixed plate 1, a cylinder 201 is installed on the upper end surface of the top plate 2, the output end of the cylinder 201 penetrates and extends to the bottom of the top plate 2 and is fixedly connected with a punching head 202, the left and right sides of the mold 101 are fixedly connected with mounting plates 102, the upper end surfaces of the two mounting plates 102 are penetrated with mounting holes 103, the left and right sides of the upper end surface of the fixed plate 1 are provided with fixing frames 3, the lower end surfaces of the two fixing frames 3 are fixedly connected with limiting columns 301, the left and right sides of the upper end surface of the fixed plate 1 are provided with limiting grooves 303 matching the limiting columns 301, the lower end surfaces of the four limiting columns 301 are located in the four limiting grooves 303, and the lower end surfaces of the two limiting columns 301 close to each other are penetrated with the mounting holes 103;

[0020] The left and right sides of the fixing plate 1 are fixedly connected with fixing cavities 401 , and positioning plates 4 are installed through the insides of the two fixing cavities 401 . The opposite sides of the two positioning plates 4 are plugged into the two limiting grooves 303 located on the outside.

[0021] In this embodiment: when the mold 101 needs to be maintained, first pull the positioning plate 4 in the opposite direction to move the positioning plate 4 out of the positioning hole 302 and the limiting groove 303, and release the fixation of the fixing frame 3, then pull the fixing frame 3 upward to make the fixing frame 3 drive the limiting column 301 to move upward until the limiting column 301 is separated from the limiting groove 303 and the mounting hole 103, and then separated from the connection with the mounting plate 102 and the fixing plate 1, and release the fixation of the mounting plate 102, so as to facilitate the disassembly of the mold 101 and perform maintenance work on the mold 101.

[0022] As a technical optimization solution of the present invention, the outer walls of the two outer limiting columns 301 are penetrated by positioning holes 302 that match the positioning plate 4 .

[0023] In this embodiment: the positioning plate 4 can be limited and fixed by the positioning hole 302, so that the fixing frame 3 can be stably installed and easy to disassemble.

[0024] As a technical optimization solution of the present invention, buffer springs are installed between the top ends of the inner walls of the two fixing frames 3 and the fixing plate 1 .

[0025] In this embodiment, the buffer spring can assist the fixing frame 3 and the limiting column 301 to smoothly enter the mounting hole 103 and the limiting groove 303 .

[0026] As a technical optimization solution of the utility model, springs 402 sleeved on the outer wall of the positioning plate 4 are installed inside the two fixing cavities 401, and pull plates 403 are fixedly connected to the opposite sides of the two positioning plates 4.

[0027] In this embodiment, the positioning plate 4 can be inserted into the positioning hole 302 and the limiting groove 303 by the elastic force of the spring 402 , and the positioning plate 4 can be pulled to move by the pulling plate 403 .

[0028] As a technical optimization solution of the present utility model, the fixing frame 3 is in a U-shaped structure.

[0029] In this embodiment, the fixing frame 3 is in a U-shaped structure, so as to facilitate the installation or removal of the installation plate 102 and the fixing plate 1.

[0030] As a technical optimization solution of the present invention, a vertical plate 203 is fixedly connected between the rear of the upper end surface of the fixed plate 1 and the top plate 2 .

[0031] In this embodiment: the top plate 2 can be supported by the vertical plate 203 .

[0032] Working principle: First, when the mold 101 needs to be maintained, pull the positioning plate 4 in the opposite direction to move the positioning plate 4 out of the positioning hole 302 and the limiting groove 303, and release the fixation of the fixing frame 3. Then pull the fixing frame 3 upward to make the fixing frame 3 drive the limiting column 301 to move upward until the limiting column 301 is separated from the limiting groove 303 and the mounting hole 103, and then separated from the connection with the mounting plate 102 and the fixing plate 1, and release the fixation of the mounting plate 102, so as to facilitate the disassembly of the mold 101 and perform maintenance work on the mold 101.

[0033] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A hydraulic combined punching and shearing machine that is easy to maintain, comprising a fixed plate (1), a mold (101) being installed on the upper end surface of the fixed plate (1), a top plate (2) being arranged above the fixed plate (1), a cylinder (201) being installed on the upper end surface of the top plate (2), an output end of the cylinder (201) penetrating and extending to the bottom of the top plate (2) and being fixedly connected to a punching head (202), characterized in that: The left and right sides of the mold (101) are fixedly connected with mounting plates (102), the upper end surfaces of the two mounting plates (102) are penetrated with mounting holes (103), the left and right sides of the upper end surface of the fixing plate (1) are provided with fixing frames (3), the lower end surfaces of the two fixing frames (3) are fixedly connected with limiting columns (301), the left and right sides of the upper end surface of the fixing plate (1) are provided with limiting grooves (303) matching the limiting columns (301), the lower end surfaces of the four limiting columns (301) are located in the four limiting grooves (303), and the lower end surfaces of the two limiting columns (301) adjacent to each other are penetrated with the mounting holes (103); The left and right sides of the fixing plate (1) are fixedly connected with fixing cavities (401), and positioning plates (4) are installed through the interiors of the two fixing cavities (401), and opposite sides of the two positioning plates (4) are plugged into two limiting grooves (303) located on the outside.

2. The hydraulic combined punching and shearing machine that is easy to maintain according to claim 1 is characterized in that: Positioning holes (302) matching the positioning plate (4) are formed through the outer walls of the two outer limiting columns (301).

3. The hydraulic combined punching and shearing machine that is easy to maintain according to claim 1 is characterized in that: Buffer springs are installed between the top ends of the inner walls of the two fixing frames (3) and the fixing plate (1).

4. The hydraulic combined punching and shearing machine easy to maintain according to claim 1 is characterized in that: A spring (402) sleeved on the outer wall of the positioning plate (4) is installed inside the two fixed cavities (401), and a pull plate (403) is fixedly connected to the opposite sides of the two positioning plates (4).

5. The hydraulic combined punching and shearing machine easy to maintain according to claim 1 is characterized in that: The fixing frame (3) has a U-shaped structure.

6. The hydraulic combined punching and shearing machine easy to maintain according to claim 1, characterized in that: A vertical plate (203) is fixedly connected between the rear of the upper end surface of the fixed plate (1) and the top plate (2).

Images