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CN-117325494-B - Oil press for manufacturing glasses legs

CN117325494BCN 117325494 BCN117325494 BCN 117325494BCN-117325494-B

Abstract

The invention provides an oil hydraulic press for manufacturing glasses legs, which comprises a workbench, a machine body and a hydraulic oil cylinder, wherein the workbench is fixed in the middle of the machine body, a mounting cavity is formed in the workbench, a mounting seat is fixedly connected in the mounting cavity, the lower end of a hydraulic rod is fixedly connected with a connecting rod which is used for abutting against the lower end of a power pipe, a push rod is connected in a sliding manner in the power pipe, a fixed block which is abutted against the inner wall of a sliding hole is fixedly connected on the push rod, a first elastic piece is fixedly connected between the fixed block and the power pipe, a sliding hole which is connected with the power hole is formed in the mounting seat, the sliding hole is arranged along the radial direction of the power hole, a pressurizing column which is used for abutting against the fixed block is slidingly connected in the sliding hole, the power pipe moves towards the direction which is far away from the fixed block through a conducting component, an air pipe which is communicated with the power hole is fixedly connected on the mounting seat, and one end of the air pipe which is far away from the power hole faces towards a lower die, so that the safety is improved.

Inventors

  • Ye Caida
  • YE MEILIN
  • Dai Benshan

Assignees

  • 玉环市光明眼镜制造股份有限公司

Dates

Publication Date
20260505
Application Date
20231113

Claims (8)

  1. 1. The hydraulic oil cylinder is fixed at the upper end of the machine body, a hydraulic rod of the hydraulic oil cylinder is connected with an upper die, the upper die is positioned above the working table, a lower die corresponding to the upper die is connected to the working table, a lower cavity is formed in the upper surface of the lower die, a lower cavity is formed in the lower surface of the upper die, the upper cavity and the lower cavity are combined to form a forming cavity for molding the glasses leg, the hydraulic oil cylinder is characterized in that a mounting cavity is formed in the working table, a mounting seat is fixedly connected in the mounting cavity, a power hole is formed in the mounting seat, a vertically arranged power pipe is connected in the power hole in a sliding manner, a connecting rod for abutting against the lower end of the power pipe is fixedly connected to the lower end of the hydraulic rod, a fixing block abutting against the inner wall of the sliding hole is fixedly connected to the upper end of the push rod, a first elastic connecting piece is fixedly connected between the fixing block and the power pipe, the first elastic connecting piece is connected to the sliding block in a direction of the sliding hole, and the sliding block is connected to the power hole in a radial direction far away from the power hole through the mounting seat; The guide assembly comprises a guide chute, a guide hole, a guide rod, a second elastic piece, a sealing cover and a guide structure, wherein the guide chute is arranged on the surface of the pressurizing column, the guide hole is arranged on the mounting seat and is parallel to the power hole, the guide rod is slidably connected in the guide hole, one end of the guide rod is fixedly connected with the power pipe, the other end of the guide rod is abutted against the inner wall of the guide chute, two ends of the second elastic piece are respectively fixedly connected with the pressurizing column and the sealing cover, the sealing cover is fixed at one end, far away from the power hole, of the slide hole, and the pressurizing column is horizontally moved along the length direction of the slide hole through the guide structure; The guide structure comprises a guide straight groove and a set screw, wherein the guide straight groove is formed in the outer wall of the mounting seat and is communicated with the sliding hole, the length direction of the guide straight groove is parallel to the length direction of the sliding hole, and the set screw is in threaded connection with the side wall of the pressurizing column and is located in the guide straight groove.
  2. 2. The hydraulic press for manufacturing glasses legs according to claim 1, wherein a reset inclined plane is formed on the side wall of the fixed block, a conductive inclined block is integrally arranged at one end of the pressurizing column, which is close to the fixed block, and the conductive inclined block is used for abutting against the reset inclined plane.
  3. 3. The hydraulic press for manufacturing glasses legs according to claim 2, wherein the outer wall of the fixed block is provided with an annular groove, a sealing ring is fixedly connected in the annular groove, and the sealing ring is used for abutting against the inner wall of the power hole.
  4. 4. The hydraulic press for manufacturing glasses legs according to claim 2, wherein an abutting seat is integrally arranged at the end part of the power tube, and an anti-falling spring is fixedly connected between the abutting seat and the mounting seat.
  5. 5. The hydraulic press for manufacturing glasses legs according to claim 2, wherein a threaded rod is integrally arranged at the lower end of the push rod, and a balancing weight is connected to the threaded rod in a threaded manner.
  6. 6. The hydraulic press for manufacturing glasses legs according to claim 1, wherein a buffer structure is arranged between the hydraulic rod and the upper die.
  7. 7. The hydraulic press for manufacturing glasses legs according to claim 6, wherein the buffer structure comprises a supporting plate, an inner rod, a slide tube and a rubber block, the supporting plate is fixed at the lower end of the hydraulic rod, one end of the inner rod is fixed on the upper surface of the upper die, the other end of the inner rod is slidably connected in the slide tube, one end of the slide tube, far away from the inner rod, is fixedly connected with the lower surface of the supporting plate, and the rubber block is vertically arranged and is fixedly connected with the supporting plate and the upper die at two ends.
  8. 8. The hydraulic press for manufacturing glasses legs according to claim 1, wherein the machine body is provided with a baffle plate, the baffle plate is arranged opposite to the air pipe, and the upper end of the baffle plate is hinged on the machine body through a pin shaft.

Description

Oil press for manufacturing glasses legs Technical Field The invention relates to an oil press, in particular to an oil press for manufacturing glasses legs. Background The oil press is an indispensable mechanical device for part processing. At present, the Chinese patent of the grant publication No. CN203994773U discloses an oil press, which comprises a machine body, a hydraulic cylinder, a sliding block, a guiding structure and a workbench, wherein the hydraulic cylinder is arranged on the upper side of the machine body and is connected with the sliding block, the guiding structure is formed by matching and connecting a guide plate and a guide rail, the guide rail is arranged on the machine body, the guide plate is arranged on the sliding block and is in sliding connection with the guide rail, the inclination angle of a sliding matching connection surface of the guide plate is 45 degrees, the guide rail is arranged on four corners of the machine body, the guide plate is arranged on four corners of the sliding block, the outer side of the guide rail is connected with an adjusting block, and an adjusting screw is arranged on the adjusting block. In the use process, the hydraulic cylinder drives the sliding block and the guide plates connected to the four corners of the sliding block to move when moving up and down, and the guide plates obtain high-precision guiding movement under the guiding of the guide rails at the two sides. Of course, the oil press can also be used for producing and processing the glasses legs of the glasses. The raw materials are placed on the lower die, the upper die is fixed on the sliding block, after the hydraulic oil cylinder is started, the raw materials can be extruded and deformed to obtain the glasses legs, then the glasses legs are taken down from the lower die by hands of workers, certain burrs are formed on the surfaces of the glasses legs, the temperature is high, and certain safety risks are achieved. Disclosure of Invention In view of the above, the present invention is to provide an oil press for manufacturing glasses legs, in which a high-speed gas is ejected from a gas pipe by a mechanical conduction manner during the upward movement of a hydraulic rod so as to eject the glasses legs from a lower die, thereby achieving the purpose of reducing the safety risk. In order to solve the technical problems, the hydraulic press for manufacturing the glasses legs comprises a workbench, a machine body and a hydraulic cylinder, wherein the workbench is fixed in the middle of the machine body, the hydraulic cylinder is fixed at the upper end of the machine body, a hydraulic rod of the hydraulic cylinder is connected with an upper die, the upper die is positioned above the workbench, a lower die which is used for corresponding to the upper die is connected onto the workbench, a lower cavity is formed in the upper surface of the lower die, a lower cavity is formed in the lower surface of the upper die, the upper cavity and the lower cavity are combined to form a forming cavity for molding the glasses legs, a mounting cavity is formed in the workbench, a mounting seat is fixedly connected in the mounting seat, a power hole is formed in the mounting seat, a connecting rod which is in contact with the lower end of the power pipe is in sliding connection with a vertical mode, a fixing block which is fixedly connected with the inner wall of the push rod in sliding mode, a fixing block which is in contact with the sliding hole is arranged on the sliding mode, a fixing block which is arranged on the sliding hole is in sliding mode, a direction of the sliding hole is formed in the sliding hole, a connecting block which is far away from the first sliding hole is formed in the sliding hole, and the sliding hole is connected with the sliding hole. According to the technical scheme, raw materials are placed in the lower cavity of the lower die, the hydraulic cylinder is started, the hydraulic rod moves downwards, the upper die is pressed on the lower die, glasses legs are obtained in the forming cavity, then the hydraulic rod moves upwards, the upper die moves upwards along with the hydraulic rod synchronously, the hydraulic rod drives the connecting rod to move upwards, the power pipe moves upwards along the power hole, the first elastic piece compresses and moves the pressurizing column along the direction away from the fixed block along with the further movement of the power pipe due to the blocking of the pressurizing column, the pushing rod and the fixed block move rapidly along the length direction of the power hole due to the elastic action of the first elastic piece at the moment when the pressurizing column is separated from the fixed block, the air in the power hole is guided out of the air pipe and blown to the glasses legs rapidly, the glasses legs are blown off from the lower die, the process of manual taking is omitted, safety is improved, and compared with an air pump, the air p