Oil path and gas path wiring structure of hydraulic machine die process cylinder

Abstract

The utility model discloses an oil circuit and gas circuit wiring structure of a hydraulic machine die process cylinder. A pipeline rear support is fixed to the rear end of one side of a movable workbench and connected with a plurality of hard pipes, and a lower die distribution block is fixed to the front end of one side of the movable workbench; the front end of each hard pipe is bent to be connected with an interface on the upper surface of the lower die distribution block; a lower die oil way valve block and a lower die pneumatic electromagnetic valve are fixed on one side of the movable workbench, each oil outlet joint of the lower die oil way valve block is directly connected with a lower die hydraulic hose, each interface of the lower die pneumatic electromagnetic valve is connected with a lower die pneumatic hose, and the other end of each hose is respectively connected with a front side interface of a lower die distribution block; a movable table drag chain upper bracket is fixed to the front side face of the lower die distribution block, a lower bracket is arranged under the upper bracket, and the rear end of the lower bracket is fixed to the lower end of the front side of the stand column; the two ends of the movable workbench drag chain are connected between the upper bracket and the lower bracket, and the lower die hydraulic and pneumatic hoses are arranged in the movable workbench drag chain. The structure can improve the production efficiency, is convenient to operate, and reduces the oil leakage risk.

Description

Technical Field

[0001] The utility model relates to a hydraulic press, in particular to an oil and gas line routing structure of a hydraulic press mould process cylinder, belonging to the technical field of hydraulic machine tools. Background Art

[0002] In the refrigerator liner punching hydraulic press, automobile interior parts hydraulic press and other types of hydraulic presses, the upper mold connected to the slide is equipped with multiple upper mold process cylinders, and the lower mold connected to the mobile workbench is equipped with multiple lower mold process cylinders. The process cylinders include multiple auxiliary oil cylinders, cylinders or hydraulic and pneumatic auxiliary devices. During the operation of the hydraulic press, auxiliary oil and gas circuits need to be configured to connect to the hydraulic interface and pneumatic interface of the upper mold process cylinder and the lower mold process cylinder to participate in the process actions of the hydraulic cylinder, cylinder and other auxiliary devices in the mold. When changing different molds, these oil and gas circuits need to be disassembled and reconnected.

[0003] The hydraulic interface of the process cylinder of the mobile workbench generally requires multiple channels, such as 2 in 2 out, 3 in 3 out, 4 in 4 out, etc., so the inlet and outlet oil ports need to be as many as 4 to 8. The traditional approach is to place the hydraulic system valve block that controls the process cylinder on the crossbeam on the fuselage. 4 to 8 thicker steel pipes need to be led down from the upper crossbeam. These pipes need to make turns, be equipped with oil distributors and joints, which increases the complexity of the pipes, increases the number of joints, increases the risk of leakage, and is not beautiful. Utility Model Content

[0004] The purpose of the utility model is to overcome the problems existing in the prior art and provide an oil and gas wiring structure for a hydraulic press mold process cylinder, wherein the oil and gas circuit interfaces of the mold process cylinder are respectively led to a mobile workbench. When replacing the mold, it is only necessary to use a hose to reconnect the pipeline between the mold and the mold, thereby improving production efficiency, facilitating operation, and reducing the risk of oil leakage.

[0005] In order to solve the above technical problems, the utility model provides an oil and gas line routing structure of a hydraulic press mold process cylinder, comprising a plurality of lower mold process cylinders located in a lower mold, wherein the lower mold is fixed on a movable workbench, a rear end of one side of the movable workbench is fixed with a movable workbench pipeline rear bracket extending upward, and a lower mold distribution block extending outward is fixed with the front end of the movable workbench;

[0006] A plurality of hard pipes are connected along the height direction of the rear support of the mobile platform pipeline, and the front end of each hard pipe is bent and connected to each upper surface interface of the lower die distribution block; the lower die oil circuit valve block and the lower die pneumatic solenoid valve matched with each lower die process cylinder are fixed on one side of the mobile workbench, each oil outlet joint of the lower die oil circuit valve block is directly connected to the lower die hydraulic hose, each interface of the lower die pneumatic solenoid valve is connected to the lower die pneumatic hose, and the other end of each lower die hydraulic hose and the lower die pneumatic hose is respectively connected to each front side interface of the lower die distribution block;

[0007] An upper bracket of a moving platform drag chain is fixed on the front side of the lower mold distribution block, and a lower bracket of a moving platform drag chain extending horizontally backward is provided directly below the upper bracket of the moving platform drag chain, and the rear end of the lower bracket of the moving platform drag chain is fixed to the lower end of the front side of the column; the two ends of the moving workbench drag chain are connected between the upper bracket of the moving workbench drag chain and the lower bracket of the moving workbench drag chain, and the lower mold hydraulic hoses and lower mold pneumatic hoses are neatly arranged in the moving workbench drag chain.

[0008] As an improvement of the utility model, a mobile platform pipeline front bracket extending upward is fixed to the front end of the mobile workbench, and the mobile platform pipeline front bracket is located on the rear side of the lower mold distribution block. The front ends of each hard pipe are fixed to the mobile platform pipeline front bracket by pipe clamps.

[0009] As a further improvement of the utility model, the upper mold is fixed on the slider and is arranged with a plurality of upper mold process cylinders, the upper mold oil circuit valve block and the upper mold pneumatic solenoid valve for controlling the upper mold process cylinder are fixed on the upper crossbeam, the upper rear side of the body is fixed with a body bracket, the rear end of the body bracket is fixed with an upper mold distribution block 1, and the interfaces of the upper mold oil circuit valve block and the upper mold pneumatic solenoid valve are respectively connected to the upper interface of the upper mold distribution block 1 through hard pipes;

[0010] An upper die oil port bracket and a slider bracket that follow the slider to rise and fall are fixed to the rear side of the slider, the interfaces of each upper die process cylinder are fixed on the upper die oil port bracket, the slider bracket is fixed with an upper die distribution block 2, and the interfaces of each upper die process cylinder are connected to the upper interface of the upper die distribution block 2 through a hard pipe;

[0011] The body support and the slider support are connected through a slider drag chain system, in which an upper mold hydraulic hose and an upper mold pneumatic hose are arranged. The lower interfaces of the upper mold distribution block one are connected to the corresponding lower interfaces of the upper mold distribution block two through the upper mold hydraulic hose or the upper mold pneumatic hose.

[0012] Compared with the prior art, the utility model has achieved the following beneficial effects: 1. This solution places the hydraulic system valve block on a movable workbench and sets a bracket, and leads the interfaces of the oil and gas circuits of the upper and lower mold process cylinders to the slider and the workbench respectively. No matter how many process cylinder interfaces are required, only two pipelines, namely the oil inlet pipe and the oil return pipe, need to be led down from the upper beam pump station, which greatly simplifies the number of pipelines, facilitates arrangement and layout, saves space, and reduces the risk of joints and oil leakage.

[0013] 2. The oil inlet and outlet ports of the process cylinder hydraulic system can be directly connected to the hose, reducing the intermediate nodes. Only a small section of the hose follows the movement of the slider or mobile workbench, which improves reliability.

[0014] 3. The hydraulic system valve block that controls the process cylinder of the platform is placed at the bottom of the machine body, which is convenient for maintenance and adjustment of working pressure.

[0015] 4. Since there are space obstructions such as the mobile platform rails in front of the machine body, it is inconvenient for users to operate; this structure leads the oil and gas circuits of the process cylinder on the mobile workbench to the rear of the machine body through brackets, etc., which is convenient for connection operation.

[0016] 5. The hydraulic hoses and pneumatic hoses of the process cylinder are arranged in order in the drag chain. Considering the weight balance, the heavier and thicker hydraulic hoses are arranged in pairs on both sides of the drag chain, and the lighter and thinner pneumatic hoses are arranged in the middle of the drag chain. In this way, the weight of the hoses borne by the drag chain is balanced, which increases the service life of the drag chain. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] The present invention is further described in detail below in conjunction with the accompanying drawings and specific implementation methods. The accompanying drawings are only provided for reference and explanation and are not intended to limit the present invention.

[0018] Figure 1 The utility model is a three-dimensional hydraulic press Figure 1 ;

[0019] Figure 2 The utility model is a three-dimensional hydraulic press Figure 2 ;

[0020] Figure 3 It is a left side view of the hydraulic press where the utility model is located;

[0021] Figure 4 It is a rear view of the hydraulic press in which the utility model is located;

[0022] Figure 5 for Figure 1 A magnified view of the movable workbench;

[0023] In the figure: 1. Upper crossbeam; 2. Column; 3. Slider; 4. Upper pump station; 5. Mobile workbench; 6. Body bracket; 7. Upper die distribution block 1; 8. Slider drag chain system; 9. Upper die distribution block 2; 10. Slider bracket; 11. Upper die oil port bracket; 12. Oil inlet main pipe; 13. Oil return main pipe; 14. Oil distributor block; 15. Lower die oil circuit valve block; 16. Lower die pneumatic solenoid valve; 17. Lower bracket of mobile platform drag chain; 18. Mobile workbench drag chain; 19. Upper bracket of mobile platform drag chain; 20. Lower die distribution block; 21. Front bracket of mobile platform pipeline; 22. Rear bracket of mobile platform pipeline; 23. Compression fitting; 24. Hard pipe. DETAILED DESCRIPTION

[0024] In the following description of the utility model, the terms "upper", "lower", "front", "back", "left", "right", "inside", "outside", etc. indicate directions or positional relationships based on the directions or positional relationships shown in the accompanying drawings. They are only for the convenience of describing the utility model and simplifying the description, and do not mean that the device must have a specific direction.

[0025] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further described below with reference to specific illustrations.

[0026] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as those commonly understood by those skilled in the art of the present invention. The terms used in the specification of the present invention are only for the purpose of describing specific embodiments and are not intended to limit the present invention.

[0027] like Figures 1 to 5 As shown, in the utility model, the body of the hydraulic press includes four columns 2, the upper ends of the left and right columns 2 are connected by an upper crossbeam 1, an upper pump station 4 is installed on the top of the upper crossbeam 1, and a slider 3 is provided below the upper crossbeam 1; a body workbench is provided at the lower part of the body, and a movable workbench 5 is provided above the body workbench.

[0028] An upper die is installed at the bottom of the slider 3, and multiple upper die process cylinders are arranged in the upper die. The upper die oil circuit valve block, upper die air source, and upper die pneumatic solenoid valve that control the upper die process cylinder are fixed on the upper crossbeam 1. A fuselage bracket 6 that cantilevered backward is fixed to the upper part of the rear facade of a certain column 2 on the rear side, and an upper die distribution block 7 is fixed to the rear end of the fuselage bracket 6. The interfaces of the upper die oil circuit valve block and the upper die pneumatic solenoid valve are connected to the upper interface of the upper die distribution block 7 through hard pipes.

[0029] An upper mold oil port bracket 11 and a slider bracket 10 which follow the slider 3 to rise and fall are fixed to the rear side of the slider 3. The interfaces of each upper mold process cylinder are fixed on the upper mold oil port bracket 11. An upper mold distribution block 2 9 is fixed on the slider bracket 10. The interfaces of each upper mold process cylinder are connected to the upper interfaces of the upper mold distribution block 2 9 through hard pipes.

[0030] The fuselage support 6 is connected to the slider support 10 through the slider drag chain system 8, and the slider drag chain system 8 is arranged with an upper mold hydraulic hose and an upper mold pneumatic hose, and two upper mold hydraulic hoses are arranged on both sides of the slider drag chain system 8, and multiple upper mold pneumatic hoses are arranged in the middle of the slider drag chain system 8. The lower interfaces of the upper mold distribution block 1 7 are connected to the corresponding lower interfaces of the upper mold distribution block 2 9 through the upper mold hydraulic hose or the upper mold pneumatic hose, and the free end of the slider drag chain system 8 moves together with the lifting of the slider 3.

[0031] A lower die is fixed on the movable workbench 5, and a lower die process cylinder is arranged in the lower die. A movable table pipeline rear bracket 22 extending upward is fixed to the rear end of one side of the movable workbench 5, and a plurality of threaded holes are processed along the height direction of the movable table pipeline rear bracket 22 for connecting the ferrule joint 23. The movable table pipeline rear bracket 22 can be processed with threaded holes on both sides to facilitate double-sided connection.

[0032] A lower die distribution block 20 is fixed to the outer side of the front end of the mobile workbench 5. The lower die distribution block 20 and the rear bracket 22 of the mobile workbench pipeline are located on the same side of the mobile workbench 5, for example, both are located on the left side of the mobile workbench 5. The bottom of the inner end of the lower die distribution block 20 is fixed on the mobile workbench 5, and the outer end extends outward along the width direction of the mobile workbench 5. The upper surface and the front side of the lower die distribution block 20 are each provided with a row of interfaces, and the upper surface interfaces and the front side interfaces are connected one by one. The upper surface interfaces of the lower die distribution block 20 are respectively screwed with a ferrule joint 23. The threaded holes of the rear bracket 22 of the mobile workbench pipeline are respectively connected to one end of the hard pipe 24 through the ferrule joint 23, and the other end of each hard pipe 24 is respectively connected to the corresponding upper surface interface on the lower die distribution block 20 through the ferrule joint 23. Each hard pipe 24 forms an oil path and a gas path.

[0033] In order to arrange the oil and gas pipelines of the lower mold process cylinder neatly, a movable platform pipeline front bracket 21 is set near the lower mold distribution block 20, and the bottom of the movable platform pipeline front bracket 21 is fixed on the movable workbench 5. Each hard pipe 24 first extends forward in the horizontal direction, and a plurality of pipe clamps are fixed along the height direction of the movable platform pipeline front bracket 21 to fix each layer of hard pipes to prevent vibration.

[0034] The lowest layer of hard pipes passes through the pipe clamp on the front bracket 21 of the movable platform pipeline and is bent downward directly, and is connected to the innermost upper surface interface of the lower mold distribution block 20 through the ferrule joint 23. The upper layers of hard pipes are led out from the pipe clamp, bent outward horizontally, and then bent downward vertically, and are connected to the corresponding upper surface interfaces of the lower mold distribution block 20 through the ferrule joint 23.

[0035] The front side of the lower mold distribution block 20 is fixed with a moving platform drag chain upper bracket 19 for fixing the moving workbench drag chain 18. A moving platform drag chain lower bracket 17 extending horizontally backward is provided directly below the moving platform drag chain upper bracket 19, and the rear end of the moving platform drag chain lower bracket 17 is fixed to the lower end of the front side of the column. The two ends of the moving workbench drag chain 18 are connected between the moving platform drag chain upper bracket 19 and the moving platform drag chain lower bracket 17. The two side edges of the moving platform drag chain upper bracket 19 and the moving platform drag chain lower bracket 17 are respectively provided with upwardly erected folding edges to ensure that the moving workbench drag chain 18 does not fall out of the bracket when the moving workbench 5 moves.

[0036] The lower mold oil circuit valve block 15, the lower mold air source, and the lower mold pneumatic solenoid valve 16 matched with each lower mold process cylinder are fixed on one side of the mobile workbench 5. The upper pump station 4 is connected to the main oil port of the lower mold oil circuit valve block 15 through only one oil inlet main pipe 12 and one oil return main pipe 13. The oil inlet main pipe 12 and the oil return main pipe 13 go down along the column 2, and the oil distribution block 14 is set at the upper and lower parts of the column 2 to realize the steering. Avoid connecting the upper beam 1 and the mobile workbench 5 with several oil pipes.

[0037] Each oil outlet joint of the lower die oil circuit valve block 15 is directly connected to the lower die hydraulic hose, and each interface of the lower die pneumatic solenoid valve 16 is connected to the lower die pneumatic hose; the lower die hydraulic hose and the lower die pneumatic hose constitute the oil circuit and gas circuit 7 of the mobile platform process cylinder, which are arranged in an orderly manner in the mobile workbench drag chain 18, and are neat and beautiful. Considering the weight balance, the heavier and thicker lower die hydraulic hoses are arranged in pairs on both sides of the drag chain, and the lighter and thinner lower die pneumatic hoses are arranged in the middle of the drag chain, so that the weight of the hoses borne by the mobile workbench drag chain 18 is balanced, and the service life of the drag chain is increased.

[0038] The above description is only the preferred feasible embodiment of the utility model, which shows and describes the basic principle, main features and advantages of the utility model, but does not limit the scope of patent protection of the utility model. The technicians in this industry should understand that the utility model is not limited by the above embodiments. In addition to the above embodiments, the utility model can also have other implementation modes without departing from the spirit and scope of the utility model. The utility model will also have various changes and improvements. All technical solutions formed by equivalent replacement or equivalent transformation fall within the scope of protection required by the utility model. The scope of protection required by the utility model is defined by the attached claims and their equivalents. The technical features not described in the utility model can be achieved by or using existing technologies, which will not be repeated here.

Claims

1. An oil and gas line routing structure of a hydraulic press mold process cylinder, comprising a plurality of lower mold process cylinders located in a lower mold, wherein the lower mold is fixed on a movable workbench, characterized in that: A rear bracket of a mobile platform pipeline extending upward is fixed to a rear end of one side of the mobile workbench, and a lower mold distribution block extending outward is fixed to the front end of the mobile workbench; A plurality of hard pipes are connected along the height direction of the rear support of the mobile platform pipeline, and the front end of each hard pipe is bent and connected to each upper surface interface of the lower die distribution block; the lower die oil circuit valve block and the lower die pneumatic solenoid valve matched with each lower die process cylinder are fixed on one side of the mobile workbench, each oil outlet joint of the lower die oil circuit valve block is directly connected to the lower die hydraulic hose, each interface of the lower die pneumatic solenoid valve is connected to the lower die pneumatic hose, and the other end of each lower die hydraulic hose and the lower die pneumatic hose is respectively connected to each front side interface of the lower die distribution block; An upper bracket of a moving platform drag chain is fixed on the front side of the lower mold distribution block, and a lower bracket of a moving platform drag chain extending horizontally backward is provided directly below the upper bracket of the moving platform drag chain, and the rear end of the lower bracket of the moving platform drag chain is fixed to the lower end of the front side of the column; the two ends of the moving workbench drag chain are connected between the upper bracket of the moving workbench drag chain and the lower bracket of the moving workbench drag chain, and the lower mold hydraulic hoses and lower mold pneumatic hoses are neatly arranged in the moving workbench drag chain.

2. The oil and gas routing structure of the hydraulic press mold process cylinder according to claim 1 is characterized in that: A front bracket of a mobile platform pipeline extending upward is fixed to the front end of the mobile workbench. The front bracket of the mobile platform pipeline is located at the rear side of the lower mold distribution block. The front ends of the hard pipes are fixed to the front bracket of the mobile platform pipeline by pipe clamps.

3. The oil and gas routing structure of the hydraulic press mold process cylinder according to claim 1 or 2, characterized in that: The upper die is fixed on the slide block and is provided with a plurality of upper die process cylinders. The upper die oil circuit valve block and the upper die pneumatic solenoid valve for controlling the upper die process cylinders are fixed on the upper crossbeam. A body bracket is fixed on the upper rear side of the body. An upper die distribution block 1 is fixed on the rear end of the body bracket. The interfaces of the upper die oil circuit valve block and the upper die pneumatic solenoid valve are respectively connected to the upper interface of the upper die distribution block 1 through hard pipes. An upper die oil port bracket and a slider bracket that follow the slider to rise and fall are fixed to the rear side of the slider, the interfaces of each upper die process cylinder are fixed on the upper die oil port bracket, the slider bracket is fixed with an upper die distribution block 2, and the interfaces of each upper die process cylinder are connected to the upper interface of the upper die distribution block 2 through a hard pipe; The body support and the slider support are connected through a slider drag chain system, in which an upper mold hydraulic hose and an upper mold pneumatic hose are arranged. The lower interfaces of the upper mold distribution block one are connected to the corresponding lower interfaces of the upper mold distribution block two through the upper mold hydraulic hose or the upper mold pneumatic hose.

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