CN219405540U

CN219405540U - Oil press with quick lifting function

Info

Publication number: CN219405540U
Application number: CN202223208357.8U
Authority: CN
Inventors: 余志勇; 邵培; 黄当旺
Original assignee: Dongguan Xiangle Hardware Products Technology Co ltd
Current assignee: Dongguan Xiangle Hardware Products Technology Co ltd
Priority date: 2022-11-30
Filing date: 2022-11-30
Publication date: 2023-07-25
Anticipated expiration: 2032-11-30

Abstract

The utility model discloses an oil press with rapid lifting, which relates to the field of oil presses, and aims at solving the problem of lower production efficiency caused by slow action in the idle stroke of a piston rod of the existing oil press; the upright post is internally provided with a lifting mechanism for controlling the lifting seat: the top of stand is provided with the motor, just be provided with lead screw and guide arm in the stand, lifting seat and guide arm sliding connection, just lifting seat has cup jointed the nut, nut and lead screw threaded connection. The device is novel in structure, and the problem of low production efficiency caused by slow action when the piston rod of the existing oil press is in idle stroke is effectively solved.

Description

Oil press with quick lifting function

Technical Field

The utility model relates to the field of oil presses, in particular to an oil press with rapid lifting function.

Background

A hydraulic press is a common pressure device, the pressure of which is derived from a hydraulic cylinder, and the hydraulic pressure of the hydraulic cylinder is derived from a hydraulic station, the working characteristic of the hydraulic station is that the output hydraulic pressure is large, but the flow rate is relatively low, so that the piston rod of the hydraulic cylinder acts slowly, when the hydraulic press needs to press a low-height or thin piece, the piston rod of the hydraulic cylinder needs to be waited until the piston rod contacts with a workpiece, and the waiting time obviously reduces the production efficiency, so in order to solve the problem, we propose a hydraulic press with a rapid lifting platform.

Disclosure of Invention

The utility model provides an oil press with rapid lifting, which solves the problem of lower production efficiency caused by slow action when a piston rod of the existing oil press runs idle.

In order to achieve the above purpose, the present utility model adopts the following technical scheme:

the hydraulic press with the rapid lifting function comprises a stand column, wherein a cantilever is arranged at the top end of the stand column, a bottom plate is arranged at the bottom end of the stand column, a first hydraulic cylinder is fixedly sleeved on the cantilever, a lifting seat is arranged in the stand column, and an operation table is fixedly connected between the cantilever and the bottom plate;

the upright post is internally provided with a lifting mechanism for controlling the lifting seat: the top end of the upright post is provided with a motor, a screw rod and a guide rod are arranged in the upright post, the lifting seat is in sliding connection with the guide rod, the lifting seat is sleeved with a nut, and the nut is in threaded connection with the screw rod;

the hydraulic oil control device is characterized in that a second hydraulic cylinder is arranged between the operating platform and the bottom plate, the bottom end of the shell of the second hydraulic cylinder is fixedly connected with the bottom plate, the top end of a piston rod of the second hydraulic cylinder is fixedly connected with the operating platform, and electric high-pressure ball valves are connected in series between hydraulic oil interfaces at the two ends of the shell of the second hydraulic cylinder through high-pressure pipes.

Preferably, the output end of the motor is connected with a reduction gearbox, the input end of the reduction gearbox is vertical to the output end, and the output shaft of the reduction gearbox is coaxially connected with the screw rod.

Preferably, the screw rod is a ladder-shaped screw rod, the nut shell is square and sleeved with the lifting seat, and four groups of guide rods are distributed at four corners of the lifting seat.

Preferably, the nut is in a T-shaped arrangement, and a pressure sensor is sleeved between the nut and the lifting seat.

Preferably, the screw rod and the guide rod are all vertically arranged, two ends of the guide rod are fixedly connected with the upright post and the bottom plate respectively, and the bottom end of the screw rod is rotationally connected with the bottom plate.

Preferably, a strip-shaped groove for fixing the clamp is formed in the top end face of the operating platform, and the section outline of the strip-shaped groove is inverted T-shaped.

Preferably, the first hydraulic cylinder is vertically arranged, and a pressing block is fixedly connected to the bottom end of a piston rod of the first hydraulic cylinder.

Preferably, a triangular plate for structural reinforcement is arranged between the lifting seat and the operating platform.

Preferably, the pressure sensor is of a circular ring through hole type, one side of the upright post, which is far away from the operation table, is provided with a control box, and the control box is electrically connected with the motor, the pressure sensor and the electric high-pressure ball valve.

Preferably, the four corners of the bottom plate are provided with fixing plates, and the fixing plates are provided with round holes for inserting expansion screws.

The beneficial effects of the utility model are as follows:

1. the device drives the operation panel to rise fast through elevating system, reduces the distance of work piece and first pneumatic cylinder on the operation panel, and rethread hydraulic station starts the waiting time that first pneumatic cylinder just can reduce idle running, improves production efficiency.

2. When the lifting mechanism acts, the electric high-pressure ball valve is completely opened, hydraulic oil in the second hydraulic cylinder can flow at two ends of the piston rapidly, a piston rod of the second hydraulic cylinder can freely stretch out and draw back along with lifting of the operation table, when the lifting mechanism stops, the electric high-pressure ball valve is completely closed to prevent the hydraulic oil in the second hydraulic cylinder from flowing, the incompressible sleeve characteristic of the hydraulic oil is utilized, the piston in the second hydraulic cylinder cannot move, the auxiliary screw rod and the nut support the operation table, the bearing performance of the operation table is improved, and the lifting mechanism is simple in structure and convenient to maintain.

In conclusion, the device effectively solves the problem of lower production efficiency caused by slow action when the piston rod of the existing oil press is in idle stroke.

Drawings

Fig. 1 is a schematic structural view of the present utility model.

Fig. 2 is a schematic view of the structure of fig. 1 at another view angle according to the present utility model.

Fig. 3 is a cross-sectional view of the structure of the present utility model.

Fig. 4 is a schematic view of the structure of the utility model further illustrated in fig. 3.

Reference numerals in the drawings: 1. a column; 101. a cantilever; 102. a bottom plate; 103. a fixing plate; 2. a first hydraulic cylinder; 201. briquetting; 3. a lifting seat; 301. an operation table; 302. a bar-shaped groove; 303. a triangle; 4. a motor; 401. a reduction gearbox; 402. a screw rod; 403. a guide rod; 404. a nut; 405. a pressure sensor; 5. a second hydraulic cylinder; 501. an electric high-pressure ball valve; 6. and a control box.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.

Referring to fig. 1-4, an oil press with quick lifting includes a column 1, a cantilever 101 is arranged at the top end of the column 1, a bottom plate 102 is arranged at the bottom end of the column 1, a first hydraulic cylinder 2 is fixedly sleeved on the cantilever 101, a lifting seat 3 is arranged in the column 1, an operation table 301 is fixedly connected between the cantilever 101 and the bottom plate 102, a screw rod 402 and a guide rod 403 are vertically arranged, two ends of the guide rod 403 are fixedly connected with the column 1 and the bottom plate 102 respectively, and the bottom end of the screw rod 402 is rotationally connected with the bottom plate 102.

Referring to fig. 4, the screw rod 402 is a ladder-shaped screw rod, the nut 404 is square and is sleeved with the lifting seat 3, four groups of guide rods 403 are distributed at four corners of the lifting seat 3, the nut 404 is in a T-shaped arrangement, a pressure sensor 405 is sleeved between the nut 404 and the lifting seat 3, the pressure sensor 405 is in a circular through hole type, one side of the upright column 1, which is far away from the operation table 301, is provided with a control box 6, the control box 6 is electrically connected with a motor 4, the pressure sensor 405 and an electric high-pressure ball valve 501, the motor 4 adopts a stepping or servo model, the controller refers to model DKC-Y110, the ladder-shaped screw rod can improve the bearing performance of the lifting mechanism, and the pressure sensor 405 detects the pressure transmitted to the nut 404 and the screw rod 402 by the operation table 301 so as to monitor the state of the device and avoid overload of equipment.

Referring to fig. 1 and 3, a bar-shaped groove 302 for fixing a clamp is formed in the top end surface of an operation table 301, the cross-section outline of the bar-shaped groove 302 is inverted T-shaped, a first hydraulic cylinder 2 is vertically arranged, a pressing block 201 is fixedly connected to the bottom end of a piston rod of the first hydraulic cylinder 2, fixing plates 103 are arranged at four corners of a bottom plate 102, round holes for inserting expansion screws are formed in the fixing plates 103, and a triangular plate 303 for structural reinforcement is arranged between a lifting seat 3 and the operation table 301.

Principle of operation

The device reduces hydraulic press pneumatic cylinder idle stroke latency's structure: the upright column 1 is also internally provided with a lifting mechanism for controlling the lifting seat 3: the top end of the upright column 1 is provided with a motor 4, the upright column 1 is internally provided with a screw rod 402 and a guide rod 403, the lifting seat 3 is in sliding connection with the guide rod 403, the lifting seat 3 is sleeved with a nut 404, the nut 404 is in threaded connection with the screw rod 402, the output end of the motor 4 is connected with a reduction gearbox 401, the input end of the reduction gearbox 401 is vertical to the output end, and the output shaft of the reduction gearbox 401 is coaxially connected with the screw rod 402; the motor 4 drives the screw rod 402 to rotate after increasing torque through the reduction gearbox 401, the screw rod 402 drives the nut 404 to drive the lifting seat 3 and the operating platform 301 to lift, meanwhile, the guide rod 403 is assisted to increase the lifting stability of the lifting seat 3, the speed of electric driving screw rod transmission is faster than the action speed of a piston rod of the first hydraulic cylinder 2, a workpiece is placed on the operating platform 301, the operating platform 301 is driven to rapidly ascend through the lifting mechanism, the distance between the workpiece and the first hydraulic cylinder 2 is shortened, and the waiting time of idle stroke can be reduced by starting the first hydraulic cylinder 2 through the hydraulic station;

the device pressure-bearing structure: a second hydraulic cylinder 5 is arranged between the operation table 301 and the bottom plate 102, the bottom end of a shell of the second hydraulic cylinder 5 is fixedly connected with the bottom plate 102, the top end of a piston rod of the second hydraulic cylinder 5 is fixedly connected with the operation table 301, and an electric high-pressure ball valve 501 is connected in series between hydraulic oil interfaces at two ends of the shell of the second hydraulic cylinder 5 through a high-pressure pipe; the screw rod 402 and the nut 404 cannot directly bear the pressure from the first hydraulic cylinder 2, the second hydraulic cylinder 5 is arranged at the bottom end of the operation platform 301, two oil interfaces of the second hydraulic cylinder 5 are mutually communicated and are connected with the electric high-pressure ball valve 501 in series, when the lifting mechanism acts, the electric high-pressure ball valve 501 is fully opened, hydraulic oil in the second hydraulic cylinder 5 can flow rapidly, at the moment, a piston rod of the second hydraulic cylinder 5 can freely stretch and contract along with the lifting of the operation platform 301, when the lifting mechanism stops, the electric high-pressure ball valve 501 is fully closed to prevent the hydraulic oil in the second hydraulic cylinder 5 from flowing, at the moment, due to the incompressible sleeve characteristic of the hydraulic oil, the piston in the second hydraulic cylinder 5 cannot move, the auxiliary screw rod 402 and the nut 404 support the operation platform 301 to bear the pressure of the first hydraulic cylinder 2 together, the device is a single-arm hydraulic machine, the lifting mechanism is relatively low in fixed table top bearing capacity, and is suitable for small pressure production.

The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.

Claims

1. The utility model provides an oil hydraulic press with go up and down fast, includes stand (1), its characterized in that, the top of stand (1) is provided with cantilever (101), and the bottom of stand (1) is provided with bottom plate (102), cantilever (101) are fixed to be cup jointed first pneumatic cylinder (2), just be provided with in stand (1) elevating socket (3), elevating socket (3) are located cantilever (101) and bottom plate (102) between fixedly connected with operation panel (301);

the lifting mechanism for controlling the lifting seat (3) is further arranged in the upright post (1): the top end of the upright post (1) is provided with a motor (4), a screw rod (402) and a guide rod (403) are arranged in the upright post (1), the lifting seat (3) is in sliding connection with the guide rod (403), the lifting seat (3) is sleeved with a nut (404), and the nut (404) is in threaded connection with the screw rod (402);

a second hydraulic cylinder (5) is arranged between the operating platform (301) and the bottom plate (102), the bottom end of the shell of the second hydraulic cylinder (5) is fixedly connected with the bottom plate (102), the top end of a piston rod of the second hydraulic cylinder (5) is fixedly connected with the operating platform (301), and an electric high-pressure ball valve (501) is connected in series between hydraulic oil interfaces at two ends of the shell of the second hydraulic cylinder (5) through a high-pressure pipe.

2. The oil press with rapid lifting according to claim 1, wherein the output end of the motor (4) is connected with a reduction gearbox (401), the input end of the reduction gearbox (401) is vertical to the output end, and the output shaft of the reduction gearbox (401) is coaxially connected with a screw rod (402).

3. The hydraulic press with rapid lifting according to claim 1, wherein the screw rod (402) is a ladder screw rod, the nut (404) housing is square and is sleeved with the lifting seat (3), and four groups of guide rods (403) are distributed at four corners of the lifting seat (3).

4. The oil press with rapid lifting according to claim 1, wherein the nut (404) is in a T-shaped arrangement, and a pressure sensor (405) is sleeved between the nut (404) and the lifting seat (3).

5. The oil press with rapid lifting as claimed in claim 4, wherein the screw rod (402) and the guide rod (403) are vertically arranged, two ends of the guide rod (403) are fixedly connected with the upright post (1) and the bottom plate (102) respectively, and the bottom end of the screw rod (402) is rotatably connected with the bottom plate (102).

6. The oil press with rapid lifting according to claim 1, wherein a strip-shaped groove (302) for fixing a clamp is formed in the top end surface of the operating platform (301), and the section profile of the strip-shaped groove (302) is inverted-T-shaped.

7. The oil press with rapid lifting according to claim 1, wherein the first hydraulic cylinder (2) is vertically arranged, and a pressing block (201) is fixedly connected to the bottom end of a piston rod of the first hydraulic cylinder (2).

8. The oil press with rapid lifting according to claim 1, characterized in that a triangular plate (303) for structural reinforcement is arranged between the lifting seat (3) and the operating table (301).

9. The oil press with rapid lifting according to claim 4, wherein the pressure sensor (405) is of a circular ring through hole type, a control box (6) is arranged on one side of the upright post (1) far away from the operation table (301), and the control box (6) is electrically connected with the motor (4), the pressure sensor (405) and the electric high-pressure ball valve (501).

10. The oil press with rapid lifting according to claim 1, wherein fixing plates (103) are arranged at four corners of the bottom plate (102), and round holes for inserting expansion screws are formed in the fixing plates (103).