CN220760730U

CN220760730U - Electric hydraulic punching device

Info

Publication number: CN220760730U
Application number: CN202322387131.7U
Authority: CN
Inventors: 孙威; 何淦; 施丹锋
Original assignee: Hangzhou Jiangwan Intelligent Technology Co ltd
Current assignee: Hangzhou Jiangwan Intelligent Technology Co ltd
Priority date: 2023-09-04
Filing date: 2023-09-04
Publication date: 2024-04-12
Anticipated expiration: 2033-09-04

Abstract

The utility model relates to the technical field of hydraulic punching and discloses an electric hydraulic punching device which comprises a hydraulic pump, a pushing box and a base, wherein a pressurizing device is arranged above the pushing box in the hydraulic pump, the pressurizing device divides the hydraulic pump into a left sealed liquid storage box and a right sealed liquid storage box and a liquid outlet box, a hydraulic cylinder is arranged in the pushing box, a piston is arranged in the hydraulic cylinder, a liquid outlet channel is respectively arranged above the hydraulic cylinder, a liquid return channel is communicated with the liquid outlet box and the liquid storage box, the piston is connected with a punch through a piston rod, a punching channel is arranged in the piston rod, a position correcting punching needle is arranged in the punching channel, and a locking device is arranged at the bottom of the piston rod at the position of the punch. The hydraulic oil pressurized during the use is introduced into the hydraulic cylinder through the liquid outlet channel, the hydraulic oil in the hydraulic cylinder is quickly extruded and flows back into the liquid storage tank through the high-low pressure through the liquid return channel after the end, and the punch is quickly reset through the mode that the hydraulic pump is connected with the hydraulic cylinder through the two arranged channels, so that the punching efficiency is improved.

Description

Electric hydraulic punching device

Technical Field

The utility model relates to the technical field of hydraulic punching, in particular to an electric hydraulic punching device.

Background

The punching machine is a device for punching steel, iron, copper, aluminum plates, formed steel, channel steel, I-steel and other materials, and is widely applied to the building industry and field operation. The existing punching machine mainly comprises a pump body and a working head, wherein the pump body and the working head are separated, and long oil delivery hoses are needed to be used for connection. The structure is complex in connection and huge in volume, and operators are inconvenient to use and carry; and the price is relatively high, which is unfavorable for reducing the cost.

At present, an integrated hydraulic punching machine appears on the market, and the punching machine integrates a pump body and a working head, so that the portable hydraulic punching machine is very convenient to carry. However, in the existing integrated punching machine, the punching force provided by hydraulic oil is large, but the oil return speed is low, and after punching is finished, a small-resilience workpiece is adhered to a movable punch die and is not easy to strip, so that manual auxiliary stripping is needed, and the use is very inconvenient. In addition, the low oil return speed greatly influences the low punching efficiency.

In addition, the alignment of the integrated punching machine is time-consuming and laborious, and the whole device is required to move downwards or the punch is required to move downwards for alignment, or other auxiliary alignment holes such as laser are used, and the operation is complex and affects the punching efficiency, so an electro-hydraulic punching device is proposed.

Disclosure of Invention

(one) solving the technical problems

Aiming at the defects of the prior art, the utility model provides an electric hydraulic punching device which has the advantages of integrated pump body and working head, convenient carrying and use, high oil return speed and high punching efficiency, and solves the problems of low punching efficiency caused by slow resetting and slow correcting speed of a punching head.

(II) technical scheme

In order to achieve the purposes of the pump body and the working head which are integrated, convenient to carry and use, high in oil return speed and high in punch positioning efficiency, the utility model provides the following technical scheme: the electric hydraulic punching device comprises a hydraulic pump, a pushing box and a base, wherein the bottom of the hydraulic pump is connected with the pushing box and a grab handle, the base is connected with the side face of the pushing box through a supporting frame, the hydraulic pump is connected with the supporting frame through the grab handle, a pressurizing device is arranged above the pushing box in the hydraulic pump, the pressurizing device divides the inner part of the hydraulic pump into a left box body and a right box body which are sealed, a large box body above the grab handle is a liquid storage box, the other box body is a liquid outlet box, a hydraulic cylinder is arranged in the pushing box, a piston is arranged in the hydraulic cylinder, a liquid outlet channel and a liquid return channel are respectively arranged above the hydraulic cylinder and are communicated with the liquid outlet box and the liquid storage box, and the piston is connected with a punch through a piston rod;

the inside passageway that punches a hole that is equipped with of piston rod, be equipped with the correction towards the needle in the passageway that punches a hole, the piston rod bottom is equipped with locking device in the drift position.

Preferably, the side of the hydraulic pump is provided with a motor and a motor switch on the side of the motor, the motor is controlled to rotate forwards, reversely and stop through the motor switch, two gears meshed up and down are arranged in the supercharging device, one of the gears is connected with the motor, the gears rotate under the driving of the motor, and hydraulic oil in the liquid storage tank is extruded into the liquid outlet tank.

Preferably, the liquid return channel is provided with a liquid return switch, one side of the liquid return switch is positioned outside the push box, and the other side of the liquid return switch is positioned inside the liquid return channel and used for controlling the closing and opening of the liquid return channel.

Preferably, a fixing clamp is arranged above the base and used for fixing a material needing punching.

Preferably, a gap exists between the push box and the base, and the gap is used as a working area.

Preferably, the hydraulic oil is stored in the liquid storage tank.

Preferably, the piston is kept sealed up and down, and moves up and down in the hydraulic cylinder.

Preferably, the surfaces which are in contact with the hydraulic oil are provided with an oil-repellent coating and remain sealed.

(III) beneficial effects

Compared with the prior art, the utility model provides an electro-hydraulic punching device, which comprises the following components

The beneficial effects are that:

1. this electronic hydraulic pressure punching device, through containing liquid reserve tank, play liquid case, pneumatic cylinder, in the hydraulic cylinder was let in to the pressurized hydraulic oil when realizing using through the drain passage, return the hydraulic oil in the hydraulic cylinder through high low pressure quick extrusion backward flow to the liquid reserve tank in the liquid reserve channel after ending, realize the drift and reset fast through the mode that two passageways that set up are connected hydraulic pump and pneumatic cylinder, improve punching efficiency.

2. According to the electric hydraulic punching device, the punching needle channel and the correcting punching needle are arranged in the piston rod, and the locking device on the punching head is used for rapidly positioning and punching the material by the correcting punching needle before starting, so that the punching efficiency is improved.

3. This electronic hydraulic pressure punching device, hydraulic pump, the case that pushes away, base that contains are connected hydraulic pump, push away case, base as an organic wholely through grab handle and support frame, realize punching device's integration, portable uses.

Drawings

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

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

FIG. 3 is a cross-sectional view taken along line A-A in FIG. 2 in accordance with the present utility model;

FIG. 4 is a schematic view of the internal structure of the hydraulic pump and the push box of the present utility model;

FIG. 5 is a schematic view of the internal structure of the hydraulic cylinder of the present utility model;

FIG. 6 is an enlarged view of a portion of the return channel of FIG. three according to the present utility model.

In the figure: 1 hydraulic pump, 2 pushing box, 3 base, 4 grab handle, 5 support frame, 11 motor, 111 motor switch, 12 liquid storage box, 121 liquid return channel, 13 supercharging device, 14 liquid outlet box, 141 liquid outlet channel, 21 hydraulic cylinder, 22 piston, 221 punch, 222 piston rod, 223 punch needle channel, 224 correction punch needle, 225 locking device, 31 mount.

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. 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.

Referring to fig. 1-5, an electro-hydraulic punching device, as shown in fig. 1, comprises a hydraulic pump 1, a push box 2 and a base 3, wherein a motor 11 and a motor switch 111 on the side surface of the motor 11 are arranged on the side surface of the hydraulic pump 1, the motor 11 can be controlled to rotate forwards, reversely and stop through the motor switch 111, the bottom of the hydraulic pump 1 is connected with the push box 2 and a grab handle 4, the base 3 is connected with the side surface of the push box 2 through a support frame 5, a space exists between the push box 2 and the base 3, the hydraulic pump 1 is connected with the support frame 5 through the grab handle 4 as a working area, and a fixing clamp 31 is arranged above the base 3 and used for fixing a material needing punching;

as shown in fig. 3 and fig. 4, the internal structure of the device is that a pressurizing device 13 is arranged above a push box 2 in a hydraulic pump 1, the pressurizing device 13 divides the interior of the hydraulic pump 1 into a left sealed box body and a right sealed box body, a large box body positioned above a grab handle 4 is a liquid storage box 12, hydraulic oil is stored in the interior of the large box body, the other box body is a liquid outlet box 14, two gears meshed up and down are arranged in the pressurizing device 13, one gear is connected with a motor 11, the gears rotate under the drive of the motor 11, the hydraulic oil in the liquid storage box 12 is extruded into the liquid outlet box 14, a hydraulic cylinder 21 with communicating upper and lower structures is arranged in the push box 2, a piston 22 is arranged in the hydraulic cylinder 21, and the piston 22 keeps sealed up and down and can move up and down in the hydraulic cylinder 21;

as shown in fig. 6, a liquid outlet channel 141 and a liquid return channel 121 are respectively arranged above the hydraulic cylinder 21 and are communicated with the liquid outlet tank 14 and the liquid storage tank 12, the liquid return channel 121 is provided with a liquid return switch 122, one side of the liquid return switch 122 is positioned outside the push box 2, and the other side of the liquid return switch 122 is positioned inside the liquid return channel 121 and is used for controlling the closing and opening of the liquid return channel 121;

as shown in fig. 5, the bottom of the piston 22 is connected with a piston rod 222, a punching channel 223 is arranged inside the piston rod 222, the bottom of the punching channel 223 is communicated with the outside, a free-moving calibration punching needle 224 is arranged in the punching channel 223, a locking device 225 is arranged at the position of the punch 221 at the bottom of the piston rod 222, and the locking device 225 can lock the inside of the punching channel 223.

Before starting, placing punching materials on the lower base 3, loosening the locking device 221, dropping the internal calibration punching needle 224, determining the punching position through the calibration punching needle 224, fixing the materials by using the fixing frame 31, retracting the calibration punching needle 224, and installing the punching needle matched with the punching size into a punching needle channel to be fixed by using the locking device 225; when the punching device is used, the motor switch 111 is turned on to a forward rotation mode, hydraulic oil in the liquid storage tank 12 enters the liquid outlet tank 14 through the pressurizing device 13 and then enters the hydraulic cylinder 21 through the liquid outlet channel 141, so that downward pressure is generated on the piston 22 at the bottom, and the punch 221 is driven to descend to punch a hole; after the end, the motor switch 111 is turned on to reverse and the return switch 122 is turned on, because the liquid storage tank 12 is in a sealed state, the hydraulic oil is pumped out by the operation at the beginning to cause the internal pressure of the liquid storage tank 12 to be low, and the pressure in the hydraulic cylinder 21 to be high, so that the hydraulic oil in the hydraulic cylinder 21 automatically returns to the liquid storage tank 12 through the return channel 121 and drives the piston 22 to move upwards, the reset speed of the punch 221 is accelerated, and the punching efficiency is improved.

To sum up, this electronic hydraulic punching device contains liquid reserve tank 12, play liquid case 14, pneumatic cylinder 21, and in the hydraulic cylinder 21 was led into to the hydraulic oil of pressure boost when realizing using through drain channel 141, return liquid channel 121 was through high low pressure quick extrusion backward flow to liquid reserve tank 12 with the hydraulic oil in the pneumatic cylinder 21 after ending, realizes that drift 221 resets fast through the mode that two passageways that set up with hydraulic pump 1 and pneumatic cylinder 21 are connected, improves punching efficiency.

Through the punch pin channel 223 and the check punch pin 224 which are arranged in the piston rod 222 and the locking device 225 on the punch pin 221, the check punch pin 224 is used for rapidly positioning the punching position of the material before starting, so that the punching efficiency is improved.

The hydraulic pump 1, the push box 2 and the base 3 are connected into a whole through the grab handle 4 and the support frame 5, so that the integration of the punching device is realized, and the punching device is convenient to carry and use.

It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an electronic hydraulic pressure punching device, includes hydraulic pump (1), pushes away case (2), base (3), its characterized in that: the hydraulic pump is characterized in that the bottom of the hydraulic pump (1) is connected with the pushing box (2) and the grab handle (4), the base (3) is connected with the side face of the pushing box (2) through the supporting frame (5), the bottom of the grab handle (4) is connected with the supporting frame (5), a pressurizing device (13) is arranged above the pushing box (2) in the hydraulic pump (1), the pressurizing device (13) divides the inner part of the hydraulic pump (1) into a left box body and a right box body which are sealed, the box body above the grab handle (4) is a liquid storage box (12), the other box body is a liquid outlet box (14), a hydraulic cylinder (21) is arranged in the pushing box (2), a piston (22) is arranged in the hydraulic cylinder (21), a liquid outlet channel (141) and a liquid return channel (121) are respectively arranged above the hydraulic cylinder (21) and are communicated with the liquid outlet box (14) and the liquid storage box (12), and the piston (22) is connected with a punch (221) through a piston rod (222);

the inside passageway (223) that punches a hole that is equipped with of piston rod (222), be equipped with correction punching pin (224) in passageway (223) that punches a hole, piston rod (222) bottom is equipped with locking device (225) in drift (221) position.

2. An electro-hydraulic punching device as claimed in claim 1, wherein: the side of the hydraulic pump (1) is provided with a motor (11) and a motor switch (111) on the side of the motor (11), and two gears meshed up and down are arranged in the supercharging device (13), wherein one gear is connected with the motor (11).

3. An electro-hydraulic punching device as claimed in claim 1, wherein: the liquid return channel (121) is provided with a liquid return switch (122), one side of the liquid return switch (122) is positioned outside the push box (2), and the other side of the liquid return switch is positioned inside the liquid return channel (121).

4. An electro-hydraulic punching device as claimed in claim 1, wherein: a fixing clamp (31) is arranged above the base (3).

5. An electro-hydraulic punching device as claimed in claim 1, wherein: a gap exists between the pushing box (2) and the base (3).

6. An electro-hydraulic punching device as claimed in claim 1, wherein: the hydraulic oil is stored in the liquid storage tank (12).

7. An electro-hydraulic punching device as claimed in claim 1, wherein: the piston (22) is kept sealed up and down, and moves up and down in the hydraulic cylinder (21).

8. An electro-hydraulic punching device as claimed in claim 1, wherein: the surfaces which are in contact with the hydraulic oil are provided with an oil-repellent coating and remain sealed.