CN-117682928-B - Pressure equalizing leather bag body fluid press

Abstract

The invention relates to the technical field of explosive pressing, and discloses a pressure equalizing leather bag body fluid press. The utility model provides a voltage-sharing leather bag body hydraulic press, includes frame, hydraulic system and leather bag liquid filling pressurization system, the lower fixed surface of frame is connected with the workstation backing plate, the last fixed surface of workstation backing plate is connected with the mould, the leather bag liquid filling pressurization system includes displacement sensor, leather bag body, cushion, upper push rod and drift, the inside sliding connection of frame has the slider, and the slider is located the below of master cylinder, the inside of slider is provided with displacement sensor, the side surface of slider is provided with the cushion, the upper surface of cushion is provided with the leather bag body, the upper surface of leather bag body is equipped with the leather bag oil inlet, the below of cushion is provided with the upper push rod, the one end swing joint that the rubber was kept away from to the upper push rod has the drift, and the slider leather bag, the outer cushion structure of wrapping up in the rubber bag reduces leather bag stress, promotes the leather bag life-span.

Inventors

• DAI SHIXI
• LING JIAYOU
• WEI BING
• WAN XIAOLING
• WU BO

Assignees

• 重庆江东机械有限责任公司

Dates

Publication Date

20260508

Application Date

20231220

Claims (4)

1. 1. The pressure equalizing and bag filling hydraulic press comprises a frame (1), a hydraulic system and a bag filling pressurizing system, and is characterized in that a workbench base plate (2) is fixedly connected to the lower surface of the frame (1), a die (15) is fixedly connected to the upper surface of the workbench base plate (2), a die locking limiting device (11) is fixedly connected to the upper surface of the workbench base plate (2), the die locking limiting devices (11) are located on two sides of the die (15), and the die locking limiting devices (11) are fixedly connected with the frame (1); The leather bag liquid filling pressurization system comprises a displacement sensor, a leather bag body (5), a rubber cushion (6), an upper push rod (8) and a punch (9), wherein the inside of the frame (1) is connected with a sliding block (7) in a sliding mode, the sliding block (7) is located below the main oil cylinder (3), the displacement sensor is arranged inside the sliding block (7), the rubber cushion (6) is arranged on the side surface of the sliding block (7), the leather bag body (5) is arranged on the upper surface of the rubber cushion (6), a leather bag oil inlet (4) is formed in the upper surface of the leather bag body (5), the upper push rod (8) is arranged below the rubber cushion (6), and one end, far away from the rubber cushion (6), of the upper push rod (8) is movably connected with the punch (9); the hydraulic system comprises a main oil cylinder (3), wherein the main oil cylinder (3) is fixedly connected to the top of the frame (1), and the output end of the main oil cylinder (3) is fixedly connected with the sliding block (7); The sliding block (7) is driven to move downwards through the main oil cylinder (3), the moving direction of the sliding block (7) is guided and limited through the sliding block guide rail (10), the die locking limiting device (11) is locked up and down, signals are transmitted to the hydraulic system through the displacement sensor to control the leather bag to be filled and pressurized, 80-100Mpa of liquid pressure is injected into the leather bag body (5) through the leather bag oil inlet (4), the pressure is transmitted to the upper push rod (8) through the leather bag body (5) and the rubber pad (6), and the upper push rod (8) drives the punch (9) to move downwards to press the blank (13) in the die cavity.
2. 2. The pressure equalizing leather bag hydraulic machine according to claim 1, wherein a slide block guide rail (10) is fixedly connected inside the frame (1), and the slide block guide rail (10) is in sliding connection with the slide block (7).
3. 3. The pressure equalizing bladder hydraulic press according to claim 1, wherein a blank (13) is arranged in the die (15), the blank (13) is positioned below the punch (9), a guide post (14) is fixedly connected to the upper surface of the die (15), and the guide post (14) is connected with the punch (9) in a penetrating manner through a connecting plate.
4. 4. The pressure equalizing bladder hydraulic press according to claim 1, wherein the lower surface of the workbench base plate (2) is fixedly connected with an ejector cylinder, the output end of the ejector cylinder is fixedly connected with an ejector rod (12), and one end of the ejector rod (12) far away from the ejector cylinder extends into the die (15).

Description

Pressure equalizing leather bag body fluid press Technical Field The invention relates to the technical field of explosive pressing, in particular to a pressure equalizing leather bag body fluid press. Background In the field of solid-state battery electrolyte pressing, uniform solid-state electrolyte thin layers are needed to ensure that the layers are kept in high contact, so that stable ion movement is realized, the requirement on pressure uniformity is very high, some pore materials are needed to ensure uniform distribution of pores of pressed products, so that the pressed products have special physical or chemical characteristics, in the field of precise cold extrusion, the requirement on the pressure precision of extrusion is high, the production of small parts in the field is often improved by adopting a mode of one die with multiple pieces, the pressure uniformity of all pressed parts in a die is improved by adopting a mode of uniformly driving a slide block by a main cylinder, the traditional one-die multi-piece powder/cold extrusion hydraulic press generally adopts a structure form of a single main cylinder, and the problems of safety risk, product reject ratio increase and the like are caused by the influence of factors such as deformation of a machine body, gaps, shape and position tolerances, inconsistent loading heights and the like, and the pressure of parts of different die cavities are often present. At present, the problem of one-die multi-piece voltage equalizing is generally solved by adopting an independent driving mode, but the actual effect is extremely unsatisfactory and even can not be used. The independent driving generally adopts the independent driving of oil cylinders, the number of the mold cavities is equal to that of the pressing oil cylinders, the pressure of the oil cylinder system of the process is high, the hydraulic system is generally high-pressure or ultra-high-pressure, the high-pressure sealing of the excessive oil cylinders is often low in reliability, oil leakage is frequent, and blank or parts are polluted. Disclosure of Invention (One) solving the technical problems Aiming at the defects of the prior art, the invention provides a pressure equalizing leather bag body fluid press which has the advantages that a sliding block embedded rubber bag structure is adopted, an upper punch is integrally driven by the internal pressure of the rubber bag to uniformly press, the tightness of the rubber bag is improved, the service life of the rubber bag is prolonged, and the like, and the problems that the high-pressure sealing reliability of an oil cylinder is very low, oil leakage is frequent, and blanks or parts are polluted are solved. (II) technical scheme In order to solve the technical problems, the invention provides the technical scheme that the pressure equalizing leather bag hydraulic press comprises a frame, a hydraulic system and a leather bag liquid filling pressurization system, and is characterized in that a workbench base plate is fixedly connected to the lower surface of the frame, a die is fixedly connected to the upper surface of the workbench base plate, a die locking limiting device is fixedly connected to the upper surface of the workbench base plate, the die locking limiting devices are positioned on two sides of the die, and the die locking limiting devices are fixedly connected with the frame; the leather bag liquid filling pressurization system comprises a displacement sensor, a leather bag body, a rubber cushion, an upper push rod and a punch, wherein the inside of the frame is connected with a sliding block in a sliding manner, the sliding block is positioned below the main oil cylinder, the displacement sensor is arranged in the sliding block, the rubber cushion is arranged on the side surface of the sliding block, the leather bag body is arranged on the upper surface of the rubber cushion, a leather bag oil inlet is arranged on the upper surface of the leather bag body, the upper push rod is arranged below the rubber cushion, and one end, far away from the rubber cushion, of the upper push rod is movably connected with the punch; The hydraulic system comprises a main oil cylinder, wherein the main oil cylinder is fixedly connected to the top of the frame, and the output end of the main oil cylinder is fixedly connected with the sliding block; The sliding block is driven to move downwards through the main oil cylinder, the moving direction of the sliding block is guided and limited through the sliding block guide rail, the die locking limiting device is locked up and down, signals are transmitted to the hydraulic system through the displacement sensor to control the leather bag to be filled with liquid and pressurized, 80-100Mpa of liquid pressure is injected into the leather bag body through the leather bag oil inlet, the pressure is transmitted to the upper push rod through the leather bag body and the rubber cushion, and the upper push rod driv