CN219114846U

CN219114846U - Can realize hydraulic press of side cut

Info

Publication number: CN219114846U
Application number: CN202223052258.5U
Authority: CN
Inventors: 富丽霞
Original assignee: Shanghai Prex Manufacturing Co ltd
Current assignee: Shanghai Prex Manufacturing Co ltd
Priority date: 2022-11-16
Filing date: 2022-11-16
Publication date: 2023-06-02
Anticipated expiration: 2032-11-16

Abstract

The utility model provides an oil press capable of achieving trimming, which comprises a workbench and a stand column, wherein an upper cross beam is arranged at the top end of the stand column, a movable cross beam is movably connected to the outer side of the stand column, the movable cross beam is fixed with a main cylinder pull rod, a power mechanism drives the main cylinder pull rod to reciprocate so as to drive the movable cross beam to reciprocate along the stand column, one side of the lower part of the stand column is provided with a travel limiting device, the travel limiting device comprises a travel bracket and a collision block, a proximity switch sensor is arranged on the travel bracket, the collision block is arranged on the movable cross beam, the height position of the movable cross beam is judged through the relative movement of the collision block and the proximity switch sensor, and a liquid filling device is arranged on one side of the main cylinder and comprises a liquid filling valve and a liquid filling oil tank; according to the hydraulic oil press, the ground power mechanism is arranged at the top of the hydraulic oil press, so that the ground space is saved, and the pollution of a hydraulic station and the ground interference are avoided; the movable cross beam is reciprocated through the pull rod device, the purpose of oil pressure trimming is achieved, time and labor are saved, and manual die changing operation is simple.

Description

Can realize hydraulic press of side cut

Technical Field

The utility model relates to the field of oil presses, in particular to an oil press capable of achieving trimming.

Background

The hydraulic press is a machine which uses liquid as a working medium and is manufactured according to the Pascal principle and is used for transmitting energy to realize various processes, the hydraulic press uses special hydraulic oil as the working medium, the hydraulic pump is used as a power source, the hydraulic oil enters the oil cylinder through a hydraulic pipeline by the acting force of the hydraulic pump, the action of the oil cylinder is controlled by the liquid pressure, and the power is transmitted and the transmission mode is controlled.

At present, the oil press has several defects when in work: firstly, the workbench is fixed, in the die casting unit, workers need to operate in the frame when loading and unloading the die, the operation space is narrow and unsafe, the time and the labor are wasted, the manual operation is complex, the working strength is high, and the die changing quality is difficult to ensure; secondly, the hydraulic pressure of the hydraulic press is arranged on the ground, a hydraulic pipeline is long, the operation efficiency is low, and the hydraulic pressure station is easy to be polluted on the ground; thirdly, the occupied space is large.

Disclosure of Invention

The utility model aims to provide an oil press capable of achieving edge cutting.

In order to achieve the above object, the technical scheme of the present utility model is as follows:

the utility model provides an oil press that can realize side cut, includes fuselage, machine base, master cylinder, ejection jar, power unit and liquid filling device, the fuselage includes workstation and four stands, the workstation is connected with the machine base, one side of workstation is equipped with mould shifting arm and lifts the mould ware, the stand is fixed in the periphery of workstation, the top of stand is fixed to be equipped with the entablature, power unit installs in the upper end of entablature, the outside of stand is equipped with movable cross beam, movable cross beam and stand swing joint, movable cross beam and the pull rod fixed connection of master cylinder, the pull rod reciprocating motion of power unit drive master cylinder is in order to drive movable cross beam along the reciprocal lift of stand, one side of stand lower part is equipped with stroke stop device, stroke stop device includes stroke support, ram and proximity switch sensor, the both ends of stroke support are fixed in entablature and workstation respectively, be equipped with proximity switch sensor on the stroke support, the ram is installed on movable cross beam, through ram and proximity switch sensor's relative movement judgement movable cross beam's height position, liquid filling valve and liquid filling device include in one side of master cylinder.

Further, a cylinder port shoulder is arranged at the bottom of the main cylinder, the outer diameter of the cylinder port shoulder is smaller than that of the main cylinder, and the cylinder port shoulder is embedded into a neutral gear at the center of the upper beam.

Further, the workbench and the movable cross beam are matched and positioned through the structures of the grooves and the protruding blocks.

Further, the upper end of the upper cross beam is fastened with the upper end of the upright post through a locking nut, and the workbench is fastened with the lower end of the upright post through a locking nut.

Further, the power mechanism comprises an oil tank, a high-pressure pump, a low-pressure controller and a motor, wherein the high-pressure pump and the low-pressure controller are both connected with the oil tank, and the low-pressure controller is connected with the motor.

Further, the motor is fixed on one side of the upper end of the oil tank, and the low-pressure controller is fixed on the other side of the upper end of the oil tank.

Further, a pipeline between the high-pressure pump and the oil tank is provided with a pressure valve and a direction valve.

Further, the liquid filling oil tank is provided with an oil return hole.

According to the hydraulic oil press, the ground power mechanism is arranged at the top of the hydraulic oil press, so that the ground space is saved, and the pollution of a hydraulic station and the ground interference are avoided; the movable cross beam is reciprocated through the pull rod device, the purpose of oil pressure trimming is achieved, time and labor are saved, and manual die changing operation is simple.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a schematic side view of the present utility model;

FIG. 3 is a schematic view of another overall structure of the present utility model;

FIG. 4 is a schematic diagram of another side structure of the present utility model;

FIG. 5 is a schematic view of the power mechanism of the present utility model;

fig. 6 is a schematic top view of the present utility model.

Reference numerals:

1 upper beam, 2 movable beam, 3 workbench, 4 mould lifting device, 5 pull rod,

6-stroke limiting device, 7-oil tank, 8-high pressure pump, 9-low pressure controller, 10-motor,

11 pressure valve, 12 direction valve, 13 lock nut, 14 cylinder port shoulder, 15 upright post,

16 proximity switch sensor, 17 machine body, 18 machine base, 19 main cylinder and 20 power mechanism,

21 a liquid filling device and 22 an unhooking prevention device.

Detailed Description

The following description of the embodiments of the present utility model will be made apparent and fully in view of the accompanying drawings, in which some, but not all embodiments of the utility model are shown. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

The utility model discloses an oil press trimming and blanking system, which is shown in fig. 1 and comprises a machine body 17, a machine base 18, a main cylinder 19, an ejection cylinder, a power mechanism 20 and a liquid filling device 21, wherein the ejection cylinder ejects a trimmed product to a connector device 18, the product is conveyed away through a conveying belt 19, the machine body 17 is arranged at the upper end of the machine base 18, the machine body 17 comprises a workbench 3 and a plurality of upright posts 15, the workbench 3 is connected with the machine base 18, one side of the workbench 3 is provided with a mould moving arm and a mould lifter 4 so as to facilitate manual quick mould changing, and the upright posts 15 are fixed at the periphery of the workbench 3.

As shown in fig. 2 to 4, the top end of the upright 15 is fixedly provided with an upper beam 1, the upper beam 1 is fastened with the upper end of the upright 15 through a lock nut 13, the lower end of the workbench 3 is fastened with the lower end of the upright 15 through a lock nut 13, and the power mechanism 20 is mounted at the upper end of the upper beam 1.

The bottom of the main cylinder 19 is provided with a cylinder port shoulder 14, the outer diameter of the cylinder port shoulder 14 is smaller than that of the main cylinder 19, the cylinder port shoulder 14 is embedded into the neutral gear of the center of the upper beam to realize the positioning of the main cylinder 19 on the upper beam 1, and after the cylinder port shoulder 14 is embedded into the neutral gear of the upper beam 1, the main cylinder 19 and the upper beam 1 are fixed through a fastener.

The outside of stand 15 is equipped with movable cross beam 2, movable cross beam 2 and stand 15 swing joint, and movable cross beam 2 and the pull rod 5 fixed connection of master cylinder 19, power unit 20 drive master cylinder 19's pull rod 5 action to drive movable cross beam 2 and go up and down along stand 15, the concave-convex structure cooperation location of accessible type groove and lug between workstation 3 and the movable cross beam 2, the type groove is preferably T type groove, and T type groove sets up at workstation 3 surface, and movable cross beam 2 bottom sets up corresponding lug.

One side of stand 15 lower part is equipped with stroke stop device 6, and stroke stop device 6 includes stroke support, ram and proximity switch sensor 16, and the both ends of stroke support are fixed in entablature 1 and workstation 3 respectively, are equipped with proximity switch sensor 16 on the stroke support, and ram installs on movable cross beam 2, judges the high position of movable cross beam 2 through the relative movement of ram and proximity switch sensor 16.

As shown in fig. 5, the power mechanism 20 comprises an oil tank 7, a high-pressure pump 8, a low-pressure controller 9 and an electric motor 10, wherein the high-pressure pump 8 and the low-pressure controller 9 are connected with the oil tank 7, the low-pressure controller 9 is connected with the electric motor 10, the electric motor 10 is fixed on one side of the upper end of the oil tank 7, the low-pressure controller 9 is fixed on the other side of the upper end of the oil tank 7, and a pressure valve 11 and a direction valve 12 are arranged on a pipeline between the high-pressure pump 8 and the oil tank 7.

The filling device 21 is arranged on one side of the main cylinder 19, the filling device 21 comprises a filling valve and a filling oil tank 7, when the piston of the main cylinder 19 rapidly descends, the upper cavity of the main cylinder 19 forms negative pressure, the valve core of the filling valve is opened, the upper cavity of the main cylinder 19 is filled with liquid, oil is controlled to push the piston to eject the unloading valve core during return stroke, the upper cavity of the main cylinder 19 is decompressed, after the upper cavity of the main cylinder 19 is released to a certain pressure, the main valve core is pushed to enable the oil in the upper cavity of the main cylinder 19 to return to the filling oil tank 7, an oil return hole is arranged on the filling oil tank 7, the liquid level of the filling oil tank 7 is controlled, and redundant oil is returned to the hydraulic station, so that the overflow of the oil in the filling oil tank 7 is prevented.

The main cylinder 19 is fixed in the central neutral gear of the upper beam 1 by means of the cylinder port shoulder 14 and the fastening piece, the lower end face of the pull rod 5 of the main cylinder 19 is connected with the movable beam 2 to play a guiding role, the machine body 17 can be provided with a safety grating according to requirements, and one group or two groups of safety gratings can be arranged.

In the initial state, the hydraulic press is at the original position, at the moment, the movable cross beam 2 is at the highest position, the movable cross beam 2 is locked through the anti-unhooking hook 22, referring to fig. 6, the safety grating is normal, the robot is operated, or an operator places a workpiece on a trimming die of the hydraulic press, a starting signal is sent, the movable cross beam 2 is pressed down to enable the die to fold so as to cut off the waste edges of the workpiece, after the lowest position of the movable cross beam 2 and the pressure switch of the master cylinder 19 act, the movable cross beam 2 rises to the highest position and is locked by the safety hook 22, finally the workpiece is taken away by the robot or the operator, and one cycle is finished.

Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present utility model, and not for limiting the same; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the utility model.

Claims

1. The utility model provides an oil press that can realize side cut, includes fuselage, machine base, master cylinder, ejection jar, power unit and liquid filling device, the fuselage includes workstation and four stands, the workstation is connected with the machine base, one side of workstation is equipped with mould shifting arm and lifts the mould ware, the stand is fixed in the periphery of workstation, the top of stand is fixed to be equipped with the entablature, power unit installs in the upper end of entablature, the outside of stand is equipped with movable cross beam, movable cross beam and stand swing joint, movable cross beam and the pull rod fixed connection of master cylinder, the pull rod reciprocating motion of power unit drive master cylinder is in order to drive movable cross beam along the reciprocal lift of stand, one side of stand lower part is equipped with stroke stop device, stroke stop device includes stroke support, ram and proximity switch sensor, the both ends of stroke support are fixed in entablature and workstation respectively, be equipped with proximity switch sensor on the stroke support, the ram is installed on movable cross beam, through ram and proximity switch sensor's relative movement judgement movable cross beam's height position, liquid filling valve and liquid filling device include in one side of master cylinder.

2. The hydraulic press capable of achieving trimming according to claim 1, wherein a cylinder opening shoulder is arranged at the bottom of the main cylinder, the outer diameter of the cylinder opening shoulder is smaller than that of the main cylinder, and the cylinder opening shoulder is embedded into a neutral gear in the center of the upper beam.

3. The hydraulic press for trimming according to claim 1, wherein the working table and the movable cross beam are positioned by structural cooperation of a profile groove and a bump.

4. The hydraulic press capable of achieving trimming according to claim 1, wherein the upper end of the upper cross beam and the upper end of the upright post are fastened through locking nuts, and the workbench and the lower end of the upright post are fastened through locking nuts.

5. The hydraulic machine capable of achieving edge cutting according to claim 1, wherein the power mechanism comprises an oil tank, a high-pressure pump, a low-pressure controller and an electric motor, wherein the high-pressure pump and the low-pressure controller are connected with the oil tank, and the low-pressure controller is connected with the electric motor.

6. The hydraulic press for trimming according to claim 5, wherein the motor is fixed to one side of the upper end of the oil tank, and the low pressure controller is fixed to the other side of the upper end of the oil tank.

7. An oil press for trimming according to claim 5, wherein the line between the high pressure pump and the tank is provided with a pressure valve and a directional valve.

8. The hydraulic press for trimming according to claim 1, wherein the liquid-filled oil tank is provided with an oil return hole.