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CN-122008611-A - Small-size hydraulic press tool equipment

CN122008611ACN 122008611 ACN122008611 ACN 122008611ACN-122008611-A

Abstract

The invention discloses small-sized hydraulic press tooling equipment, which relates to the technical field of hydraulic presses and comprises a supporting platform, a sliding block, an oil cylinder, a valve seat, a hydraulic control valve, a hydraulic motor, an oil pump, a connecting plate, an upper limit sensor, a speed reduction sensor and a lower limit sensor; according to the invention, through adopting an integrated design of the rectangular hollow cross beam, the hydraulic components are built-in, all functional components are compactly distributed, a pit foundation is not needed, the hydraulic components can be directly placed on a table top or the ground, the field requirement is greatly reduced, the problem of large equipment volume is effectively solved, a small hydraulic motor and an integrated hydraulic valve group are provided, the power consumption is remarkably reduced, no-load operation is free from energy consumption, the precise control of sliding block deceleration and stopping is realized by connecting a multistage travel sensor with a control system, hard impact is avoided, and the grating protection and multistage travel sensing protection are arranged, so that when an optical path is shielded, the control system immediately sends a stop signal, the operation risk is eliminated from the source, and the safety of the equipment is remarkably improved.

Inventors

  • XIA MINGLI
  • ZHOU JIE
  • WANG SONG
  • LI BING
  • YE LEI
  • ZHU WEIMIN

Assignees

  • 安徽江淮汽车集团股份有限公司

Dates

Publication Date
20260512
Application Date
20260326

Claims (10)

  1. 1. The small-sized hydraulic press tooling equipment is characterized by comprising a supporting platform (1), a sliding block (2), an oil cylinder (3), a valve seat (4), a hydraulic control valve (5), a hydraulic motor (6), an oil pump (7), a connecting plate (8), an upper limit sensor (9), a deceleration sensor (10), a lower limit sensor (11), a fixed plate (12), a grating emitter (13) and a grating receiver (14); the supporting platform (1) consists of a base (101), upright posts (102) and a cross beam (103), wherein the upright posts (102) are arranged symmetrically, the base (101) is fixed at the bottom ends of the upright posts (102), the cross beam (103) is fixed at the top ends of the upright posts (102), the cross beam (103) is of a hollow structure with an open top end, the top end edge of the cross beam (103) is fixedly connected with a bearing plate (1031), the sliding block (2) is slidingly connected to the upright posts (102), the oil cylinder (3) and the valve seat (4) are arranged in the cross beam (103), the output end of the oil cylinder (3) is connected with the sliding block (2), the valve seat (4) is provided with a plurality of hydraulic control valves (5), the hydraulic motor (6) is fixedly connected to the bearing plate (1031), the inside of the cross beam (103) is also provided with an oil pump (7), the output end of the hydraulic motor (6) is connected with the oil pump (7), the connecting plate (103) is fixedly connected to the connecting plate (8), the end of the hydraulic motor (6) is fixedly connected to the connecting plate (103) to the sensor (8) and is sequentially connected to the sensor (8) along the upper side edge and the lower side edge of the sensor (8) in the vertical direction, the sensor (10) is sequentially connected to the lower sensor (10), the upper limit sensor (9) is used for detecting whether the sliding block (2) reaches the upper limit position of the movement stroke of the sliding block, the deceleration sensor (10) is used for detecting whether the sliding block (2) reaches the deceleration position of the movement stroke of the sliding block, and the lower limit sensor (11) is used for detecting whether the sliding block (2) reaches the lower limit position of the movement stroke of the sliding block; Two fixing plates (12) are symmetrically fixed on the side edge of the base (101), the grating emitter (13) and the grating receiver (14) are respectively and fixedly installed on the two fixing plates (12), the emitting and receiving light paths of the grating emitter (13) and the grating receiver (14) correspond to the movement stroke interval of the sliding block (2), and the grating receiver (14) is electrically connected with the control system.
  2. 2. The small oil hydraulic press tooling equipment according to claim 1, wherein the number of the upright posts (102) is four, the four upright posts (102) are respectively arranged at four corners of the base (101), four sliding through holes matched with the upright posts (102) are correspondingly formed in the sliding block (2), and the sliding block (2) is in sliding fit with the four upright posts (102) through the sliding through holes.
  3. 3. The small oil flushing press tooling equipment according to claim 1, wherein an oil cylinder mounting seat is fixed on the inner top wall of the cross beam (103), the cylinder body end of the oil cylinder (3) is fixedly connected with the oil cylinder mounting seat, and the piston rod end of the oil cylinder (3) vertically extends downwards and is fixedly connected with the center position of the top end face of the sliding block (2).
  4. 4. The small-sized hydraulic press tooling equipment according to claim 1, wherein the valve seat (4) and the oil pump (7) are both fixed on the inner bottom wall of the cross beam (103), a plurality of valve ports are formed in the valve seat (4), the hydraulic control valves (5) are installed at the valve ports in a one-to-one correspondence manner, an oil outlet of the oil pump (7) is communicated with an oil inlet of the valve seat (4) through an oil way pipeline, and an oil outlet of the valve seat (4) is communicated with an oil inlet of the oil cylinder (3) through an oil way pipeline.
  5. 5. The tooling equipment for the small-sized hydraulic press according to claim 1, wherein the lower plate surface of the bearing plate (1031) is attached to the top end edge of the cross beam (103), and the edge of the bearing plate (1031) is welded and fixed with the top end edge of the cross beam (103).
  6. 6. The small-sized hydraulic press tooling equipment according to claim 1, wherein one end of the connecting plate (8) is welded and fixed with the outer side wall of the cross beam (103), the other end of the connecting plate (8) horizontally extends in a direction away from the cross beam (103), and the upper limit sensor (9), the deceleration sensor (10) and the lower limit sensor (11) are arranged along the length direction of the connecting plate (8).
  7. 7. The tooling equipment of the small oil flushing press according to claim 1, wherein the vertical sections of the two fixing plates (12) are welded and fixed with the outer side wall of the base (101), the grating emitter (13) and the grating receiver (14) are respectively fixed on the two fixing plates (12), and the installation heights of the grating emitter (13) and the grating receiver (14) are consistent.
  8. 8. The small-sized hydraulic press tooling equipment according to claim 1, wherein a motor mounting bracket is fixed on the bearing plate (1031), the hydraulic motor (6) is vertically fixed on the upper side of the motor mounting bracket, and an output shaft of the hydraulic motor (6) vertically penetrates through the bearing plate (1031) downwards and is coaxially and fixedly connected with an input end of the oil pump (7).
  9. 9. The small-sized hydraulic press tooling equipment according to claim 1, wherein the top end surface of the sliding block (2) is provided with an oil cylinder (3) connecting notch, and the output end of the oil cylinder (3) is inserted into the oil cylinder (3) connecting notch and is fixed with the sliding block (2) through a bolt.
  10. 10. The small-sized hydraulic press tooling equipment according to claim 1, wherein the cross beam (103) is of a rectangular hollow cavity structure, an overhaul opening is formed in one side wall of the cross beam (103), a sealing cover plate is detachably connected to the overhaul opening, and the connecting plate (8) is fixed to one side wall, far away from the overhaul opening, of the cross beam (103).

Description

Small-size hydraulic press tool equipment Technical Field The invention relates to the technology of oil stamping presses, in particular to small oil stamping press tooling equipment. Background The hydraulic press is a kind of heavy industrial equipment which uses hydraulic transmission principle to punch and form metal. The hydraulic pump converts mechanical energy into pressure energy of high-pressure oil, and the cylinder piston is driven to drive the sliding block to move up and down, so that huge pressure is applied to a workpiece to complete processes such as blanking, bending, stretching, extrusion and the like. Compared with a mechanical punching machine, the hydraulic machine has the advantages of large and adjustable pressure, stable and impact-free movement, good pressure maintaining performance, low noise and the like, and the nominal pressure can reach thousands of tons. The equipment mainly comprises a machine body, a hydraulic system, an electrical control system and a die, is widely applied to industries such as automobile manufacturing, aerospace, household appliance hardware, powder metallurgy and the like, is used for processing large-scale covering parts, thick plate parts and precision forming parts, and is key equipment in the field of modern metal plastic processing. The existing hydraulic ram is mainly designed for industrial high-load production, the whole hydraulic ram is large in size and needs a pit foundation, the occupied area is wide, the hydraulic ram is difficult to adapt to conventional training fields such as classrooms and practical training workshops, meanwhile, the hydraulic ram is carried with a high-power driving and hydraulic system, the whole hydraulic ram is still required to be started when the hydraulic ram runs in a short-time idle mode, a large amount of electric energy is wasted, the energy consumption is high, in addition, the tonnage of equipment is large, the pressure is high, mechanical injury is easily caused due to sliding block movement impact or misoperation if the operation is unskilled, and the operation safety is to be improved. Disclosure of Invention The invention aims to provide small-sized hydraulic press tooling equipment so as to solve the problems of large volume, high energy consumption and insufficient operation safety of a hydraulic press in the prior art. In order to achieve the aim, the invention provides the technical scheme that the small-sized hydraulic press tooling equipment comprises a supporting platform, a sliding block, an oil cylinder, a valve seat, a hydraulic control valve, a hydraulic motor, an oil pump, a connecting plate, an upper limit sensor, a speed reduction sensor, a lower limit sensor, a fixing plate, a grating emitter and a grating receiver; The support platform consists of a base, upright posts and a cross beam, wherein a plurality of upright posts are arranged symmetrically, the base is fixed at the bottom ends of the upright posts, the cross beam is fixed at the top ends of the upright posts, the cross beam is of a hollow structure with an open top end, the top end edge of the cross beam is fixedly connected with a bearing plate, the sliding blocks are slidingly connected to the upright posts, the oil cylinder and the valve seat are both arranged in the cross beam, the output end of the oil cylinder is connected with the sliding blocks, a plurality of hydraulic control valves are arranged on the valve seat, the hydraulic motor is fixedly connected to the bearing plate, an oil pump is further arranged in the cross beam, the output end of the hydraulic motor is connected with the oil pump, the connecting plate is fixedly connected to the side edge of the cross beam, the upper limit sensor, the speed reduction sensor and the lower limit sensor are sequentially and fixedly arranged on the connecting plate along the vertical direction and are electrically connected with an external control system, the upper limit sensor is used for detecting whether the sliding blocks reach the upper limit positions of the movement strokes, the speed reduction sensor is used for detecting whether the sliding blocks reach the upper limit positions of the movement strokes, and the lower limit positions of the speed reduction sensor is used for detecting whether the movement of the sliding blocks reach the movement positions of the sliding blocks; Two fixing plates are symmetrically fixed on the side edge of the base, the grating emitter and the grating receiver are respectively and fixedly installed on the two fixing plates, the emitting and receiving light paths of the grating emitter and the grating receiver correspond to the movement travel range of the sliding block, and the grating receiver is electrically connected with the control system. Further, the number of the stand columns is four, the four stand columns are respectively arranged at four corners of the base, four sliding through holes matched with the stand columns are cor