CN114508513A - Hydraulic control device capable of adjusting punching stroke of punch press - Google Patents
Hydraulic control device capable of adjusting punching stroke of punch press Download PDFInfo
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- CN114508513A CN114508513A CN202110428262.8A CN202110428262A CN114508513A CN 114508513 A CN114508513 A CN 114508513A CN 202110428262 A CN202110428262 A CN 202110428262A CN 114508513 A CN114508513 A CN 114508513A
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- punching
- adjusting
- control device
- pipeline
- hydraulic control
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- 238000004080 punching Methods 0.000 title claims abstract description 82
- 239000003921 oil Substances 0.000 description 24
- 238000003825 pressing Methods 0.000 description 15
- 230000001105 regulatory effect Effects 0.000 description 9
- 239000010720 hydraulic oil Substances 0.000 description 7
- 238000009434 installation Methods 0.000 description 7
- 230000008901 benefit Effects 0.000 description 5
- 230000008859 change Effects 0.000 description 4
- 230000001276 controlling effect Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000006872 improvement Effects 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
Images
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B11/00—Servomotor systems without provision for follow-up action; Circuits therefor
- F15B11/08—Servomotor systems without provision for follow-up action; Circuits therefor with only one servomotor
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D28/00—Shaping by press-cutting; Perforating
- B21D28/002—Drive of the tools
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D28/00—Shaping by press-cutting; Perforating
- B21D28/24—Perforating, i.e. punching holes
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B15/00—Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
- F15B15/20—Other details, e.g. assembly with regulating devices
- F15B15/24—Other details, e.g. assembly with regulating devices for restricting the stroke
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B21/00—Common features of fluid actuator systems; Fluid-pressure actuator systems or details thereof, not covered by any other group of this subclass
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B2211/00—Circuits for servomotor systems
- F15B2211/70—Output members, e.g. hydraulic motors or cylinders or control therefor
- F15B2211/705—Output members, e.g. hydraulic motors or cylinders or control therefor characterised by the type of output members or actuators
- F15B2211/7051—Linear output members
- F15B2211/7052—Single-acting output members
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B2211/00—Circuits for servomotor systems
- F15B2211/70—Output members, e.g. hydraulic motors or cylinders or control therefor
- F15B2211/77—Control of direction of movement of the output member
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Press Drives And Press Lines (AREA)
Abstract
The invention discloses a hydraulic control device capable of adjusting punching stroke of a punching machine, which comprises a bottom plate, wherein one end surface of the bottom plate is fixedly connected with a side plate, one side surface of the side plate is fixedly provided with a punching cylinder, one end rod head of the punching cylinder is fixedly provided with a connector, one end surface of the connector is fixedly connected with a punching head, the other end surface of the bottom plate is fixedly connected with an oil tank, one side surface of the oil tank is fixedly connected with a pump body through a pipeline, an outlet of the pump body is fixedly connected with an electromagnetic valve through a pipeline, one end surface of the electromagnetic valve is fixedly connected with a first pipeline, the other end surface of the electromagnetic valve is fixedly provided with a second pipeline, one end surface of the second pipeline is fixedly connected with an adjusting valve, and one end opening of the adjusting valve is fixedly connected with a connecting pipe, so that the convenience and the stability of use can be greatly improved, the safety and the high efficiency of the regulation and control are ensured.
Description
Technical Field
The invention relates to the field of punching machines, in particular to a hydraulic control device capable of adjusting punching stroke of a punching machine.
Background
In the industrial production process, the punching operation is carried out by using the punch press, the method is a very common processing means, the punch press can increase the punching force to complete the processing operation by controlling the punching cylinder through hydraulic pressure, and the required punching depth is different when different workpieces are aimed at, so that the punching stroke needs to be adjusted and controlled.
However, when the punching stroke of the existing punching machine is adjusted and controlled, the distance between the punching head and the workpiece is mostly changed by adjusting the height of the punching cylinder, so that the structure of the adjusting device is complex, the weight of an acting component is heavy, the operation and the use are not facilitated, hydraulic adjustment can not be performed by controlling a return circuit and pressure of hydraulic oil, the safety and the stability are poor, and in the process of stroke adjustment, the adjusting amplitude can not be accurately indicated, so that the punching deviation is large, and the improvement is needed.
Disclosure of Invention
Aiming at the problems in the prior art, the invention aims to provide a hydraulic control device capable of adjusting the punching stroke of a punch press, wherein a punching cylinder is installed through a side plate on a bottom plate, hydraulic punching can be performed, a pump body and an electromagnetic valve are installed in combination with an oil tank at the other end, a plurality of pipelines are further installed through a regulating valve, hydraulic oil can be supplied to drive the punching cylinder, the punching force is ensured, meanwhile, an oil way and pressure can be regulated in combination with the regulating valve, the punching stroke is accurately controlled, hydraulic regulation control is facilitated, accuracy and high efficiency are achieved, stroke indication and control can be performed through a side surface installation switch and a scale, regulation operation is facilitated, convenience and stability in use can be greatly improved, and safety and high efficiency of regulation control are ensured.
In order to solve the above problems, the present invention adopts the following technical solutions.
A hydraulic control device capable of adjusting punching stroke of a punching machine comprises a bottom plate, wherein a side plate is fixedly connected to one end surface of the bottom plate, a punching cylinder is fixedly installed on one side surface of the side plate, a connector is fixedly installed on one end rod head of the punching cylinder, a punching head is fixedly connected to one end surface of the connector, an oil tank is fixedly connected to the other end surface of the bottom plate, a pump body is fixedly connected to one side surface of the oil tank through a pipeline, an electromagnetic valve is fixedly connected to an outlet of the pump body through a pipeline, a first pipeline is fixedly connected to one end surface of the electromagnetic valve, one end of the first pipeline is fixedly connected to one end surface of the punching cylinder, a second pipeline is fixedly installed on the other end surface of the electromagnetic valve, an adjusting valve is fixedly connected to one end surface of the second pipeline, and a connecting pipe is fixedly connected to an opening at one end of the adjusting valve, the one end fixed surface of connecting pipe connects in the other end side of punching a hole the jar, the other end opening fixed mounting of governing valve has the back flow, the one end fixed connection of back flow is in the one end surface of oil tank.
Furthermore, a motor is fixedly installed on the surface of one side of the adjusting valve, a valve core is installed at the shaft end of the motor in a rotating mode, the surface of the valve core is connected to the side face of the inner cavity of the adjusting valve in a rotating mode, the motor and the valve core are installed through the adjusting valve, the direction of an oil path can be changed through rotating adjustment, and control and use are facilitated.
Furthermore, the side of case is equipped with the right angle passageway, the both ends of right angle passageway are connected respectively in the one end position of second pipeline and connecting pipe, set up the right angle passageway through the case, do benefit to and connect the oil circuit, conveniently adjust the use.
Furthermore, the one end side of curb plate is equipped with the sliding tray, the side fixedly connected with threaded rod of sliding tray, the one end surface slidable mounting of threaded rod has the switch, through curb plate installation threaded rod and switch, can the height-adjusting change the stroke, and is convenient stable.
Furthermore, the electric wire is connected in series on the surface of one end of the switch, the surface of one end of the electric wire is connected in series on the surface of one side of the motor, the electric wire and the motor are connected through the switch, the pressing control can be realized, and the convenience and the high efficiency are realized.
Furthermore, the both sides surface of switch is equipped with support nut, support nut's side threaded connection is in the surface of threaded rod, connects support nut through the switch, can the screw thread regulation mounting height, and then adjusts the stroke, and is convenient stable.
Further, a side surface of the switch is provided with an indicating head, one end surface of the bottom plate is fixedly connected with a scale, the surface of the indicating head is connected to the surface of the scale in a sliding mode, the scale is connected with the indicating head, the height can be accurately indicated, and control accuracy is guaranteed.
Further, a side surface of the connector is hinged to a pressing plate through a hinged seat, one end surface of the pressing plate is connected to the side face of the switch in a sliding mode, the pressing plate is hinged to the connector, the switch can be pressed to control, the punching die can be operated when punched, the punching die is efficient and stable, and accuracy is high.
Furthermore, one end fixed surface of connector is connected with the stopper, a side surface of stopper is located the one end side of clamp plate.
Further, the other end fixed surface of connector is connected with the connecting plate, the fixed surface of connecting plate installs buffer spring, buffer spring's one end fixed connection is in the opposite side surface of clamp plate, connects buffer spring and stopper through the clamp plate, can push up tightly to press, can cushion simultaneously and dodge, avoids rigid striking, safety and stability.
Compared with the prior art, the invention has the advantages that:
(1) this scheme is through curb plate installation punching cylinder on the bottom plate, can carry out hydraulic pressure and punch a hole, combines the oil tank installation pump body and the solenoid valve of the other end, and then through a plurality of pipelines of governing valve installation, can supply hydraulic oil drive punching cylinder, guarantees the dynamics of punching a hole, can combine governing valve regulation oil circuit and pressure simultaneously, and then accurate control stroke that punches a hole does benefit to and carries out hydraulic pressure regulation control, and is accurate high-efficient.
(2) The motor and the valve core are installed through the regulating valve, so that the direction of an oil way can be changed by rotating and regulating, and the use control is facilitated.
(3) The right-angle channel is arranged through the valve core, so that the connection of an oil way is facilitated, and the valve core is convenient to adjust and use.
(4) Through curb plate installation threaded rod and switch, can the height-adjusting change the stroke, convenient stability.
(5) The switch is connected with the electric wire and the motor, so that the pressing control can be realized, and the convenience and the high efficiency are realized.
(6) Through switch connection support nut, can the screw thread adjustment mounting height, and then adjust the stroke, convenient stability.
(7) The indicating head is connected with the scale, so that the adjusting height can be accurately indicated, and the control accuracy is ensured.
(8) Through the articulated clamp plate of connector, can press the switch to control, can operate when punching a hole, it is high-efficient stable, the accuracy is high.
(9) Connect buffer spring and stopper through the clamp plate, can push up tightly and press, can cushion simultaneously and dodge, avoid rigid striking, safety and stability.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of a regulator valve connection according to the present invention;
FIG. 3 is an internal cross-sectional view of the regulator valve of the present invention;
FIG. 4 is an enlarged view of the switch of FIG. 1 at connection A in accordance with the present invention;
fig. 5 is a partial structural view of the platen connection of the present invention.
The reference numbers in the figures illustrate:
the device comprises a base plate 1, a side plate 11, a punching cylinder 12, a connector 13, a punching head 14, an oil tank 15, a pump body 16, a solenoid valve 17, a first pipeline 18, a second pipeline 19, a regulating valve 2, a connecting pipe 21, a return pipe 22, a motor 23, a valve core 24, a right-angle channel 25, a sliding groove 26, a threaded rod 27, a switch 28, a wire 29, a support nut 3, an indicator head 31, a scale 32, a hinge seat 33, a pressure plate 34, a limiting block 35, a connecting plate 36 and a buffer spring 37.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention; it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by those skilled in the art without any inventive work are within the scope of the present invention.
Referring to fig. 1-5, a hydraulic control device capable of adjusting punching stroke of a punching machine comprises a bottom plate 1, referring to fig. 1 and 2, a side plate 11 is fixedly connected to one end surface of the bottom plate 1, a punching cylinder 12 is fixedly installed on one side surface of the side plate 11, a connector 13 is fixedly installed on one end rod head of the punching cylinder 12, the punching cylinder 12 can be driven by hydraulic pressure, punching operation can be performed through the punching head 13, the hydraulic control device is efficient and stable, a punching head 14 is fixedly connected to one end surface of the connector 13, an oil tank 15 is fixedly connected to the other end surface of the bottom plate 1, a pump body 16 is fixedly connected to one side surface of the oil tank 15 through a pipeline, an outlet of the pump body 16 is fixedly connected with an electromagnetic valve 17 through a pipeline, a four-position three-way electromagnetic valve is adopted, oil can be supplied alternately, the punching cylinder 12 is driven back and forth, operation is convenient, a first pipeline 18 is fixedly connected to one end surface of the electromagnetic valve 17, first pipeline 18's one end fixed connection is in the one end surface of jar 12 that punches a hole, solenoid valve 17's other end fixed surface installs second pipeline 19, second pipeline 19's one end fixed surface is connected with governing valve 2, the one end opening fixedly connected with connecting pipe 21 of governing valve 2, the one end fixed surface of connecting pipe 21 is connected in the other end side of jar 12 that punches a hole, the other end opening fixed mounting of governing valve 2 has a back flow 22, after the stroke of the settlement that punches a hole of reacing, high-pressure oil can flow back inside oil tank 15 through back flow 22, can not the redrive jar 12 that punches a hole stretches out, and then guarantee the accurate security of stroke regulation, facilitate the control use, do benefit to the installation location and operate, the one end fixed connection of back flow 22 is in the one end surface of oil tank 15.
Referring to fig. 2 and 3, a motor 23 is fixedly mounted on a surface of one side of the regulating valve 2, a valve core 24 is rotatably mounted at a shaft end of the motor 23, the surface of the valve core 24 is rotatably connected to a side surface of an inner cavity of the regulating valve 2, the motor 23 and the valve core 24 are mounted through the regulating valve 2, the direction of an oil path can be adjusted and changed through rotation, the control and the use are facilitated, a right-angle channel 25 is arranged on a side surface of the valve core 24, two ends of the right-angle channel 25 are respectively connected to one end of the second pipeline 19 and one end of the connecting pipe 21, the right-angle channel 25 is arranged through the valve core 24, the connection of the oil path is facilitated, and the adjustment and the use are facilitated.
Referring to fig. 1 and 4, a sliding groove 26 is formed in a side surface of one end of a side plate 11, a threaded rod 27 is fixedly connected to a side surface of the sliding groove 26, a switch 28 is slidably mounted on a surface of one end of the threaded rod 27, the threaded rod 27 and the switch 28 are mounted on the side plate 11, so that the height can be adjusted to change the stroke, the switch is convenient and stable, an electric wire 29 is connected in series to a surface of one end of the switch 28, a surface of one end of the electric wire 28 is connected in series to a surface of one side of a motor 23, the electric wire 29 and the motor 23 are connected through the switch 28, the switch can be controlled by pressing, the switch is convenient and efficient, a support nut 3 is arranged on surfaces of two sides of the switch 28, a side surface of the support nut 3 is in threaded connection with a surface of the threaded rod 27, the support nut 3 is connected through the switch 28, the mounting height can be adjusted by threads, so that the stroke can be adjusted, the switch 28 is convenient and stable, an indicator 31 is arranged on a surface of one side of the bottom plate 1, a scale 32 is fixedly connected, the surface sliding connection of indicator 31 is in the surface of scale 32, connects scale 32 through indicator 31, can accurate instruction height-adjusting, guarantees the control accuracy.
Referring to fig. 4 and 5, a side surface of the connector 13 is hinged to a pressing plate 34 through a hinge seat 33, a surface of one end of the pressing plate 34 is slidably connected to a side surface of the switch 28, the pressing plate 34 is hinged to the connector 13 and can be controlled by pressing the switch, the punching operation can be performed, the punching operation is efficient and stable, the accuracy is high, a surface of one end of the connector 13 is fixedly connected with a limiting block 35, a surface of one side of the limiting block 35 is located on a side surface of one end of the pressing plate 34, a surface of the other end of the connector 13 is fixedly connected with a connecting plate 36, a surface of the connecting plate 36 is fixedly provided with a buffer spring 37, one end of the buffer spring 37 is fixedly connected to a side surface of the other end of the pressing plate 34, the buffer spring 37 and the limiting block 35 are connected through the pressing plate 35, the pressing operation can be tightly pressed, and can be buffered and avoided, hard impact is avoided, and the punching operation is safe and stable.
When the hydraulic punching machine is used, hydraulic oil in an oil tank 15 can be sucked by a pump body 16 and is led into an electromagnetic valve 17, then the hydraulic oil is alternately led into a first pipeline 18 and a second pipeline 19, the punching cylinder 12 can be driven to stretch and retract back and forth, and further a punching head 14 in a bag moves to perform punching operation, when the stroke needs to be adjusted, a support nut 3 can be rotated to drive a switch 28 to move, meanwhile, an indicator head 31 slides on the surface of a scale 32, the adjusted height position can be accurately indicated, the operation and the use are convenient, during the driving, the hydraulic oil enters an adjusting valve 2 through the second pipeline 19, enters a connecting pipe 21 through a right-angle channel 25, enters from the tail part of the punching cylinder 12, can push an internal piston and a piston rod to extend out, further drives the punching head 14 to move downwards to perform hydraulic punching, the connector 13 drives the punching head 14 to move, drives a pressing plate 34 to move, and presses the switch 28 after the set stroke is reached, control motor 23 takes case 24 to rotate great after the circular telegram, right angle passageway connects second pipeline 19 and back flow 22, hydraulic oil flows back inside oil tank 15 like this, the inside locking of punching press jar 12, the stability of stroke control can be ensured, the direct backward flow of high-pressure oil of confession simultaneously, avoid influencing pipeline pressure, guarantee the operation security, then can change the oil supply direction through solenoid valve 17, drive punching press jar 12 shrink, switch 28 resets, control motor 23 resets, can reciprocate the use, safety and high efficiency, do benefit to and carry out hydraulic pressure regulation control to the stroke.
The foregoing is only a preferred embodiment of the present invention; the scope of the invention is not limited thereto. Any person skilled in the art should be able to cover the technical scope of the present invention by equivalent or modified solutions and modifications within the technical scope of the present invention.
Claims (10)
1. The utility model provides a hydraulic control device of adjustable punch press stroke, includes bottom plate (1), its characterized in that: the one end fixed surface of bottom plate (1) is connected with curb plate (11), one side fixed surface of curb plate (11) installs the jar (12) that punches a hole, the one end pole head fixed mounting of the jar (12) that punches a hole has connector (13), the one end fixed surface of connector (13) is connected with the head (14) that punches a hole, the other end fixed surface of bottom plate (1) is connected with oil tank (15), a side surface of oil tank (15) is through pipeline fixedly connected with pump body (16), the export of pump body (16) is through pipeline fixedly connected with solenoid valve (17), the one end fixed surface of solenoid valve (17) is connected with first pipeline (18), the one end fixed surface of first pipeline (18) is connected with the one end surface of the jar (12) that punches a hole, the other end fixed surface of solenoid valve (17) is installed second pipeline (19), the one end fixed surface of second pipeline (19) is connected with governing valve (2), one end opening fixedly connected with connecting pipe (21) of governing valve (2), the one end fixed surface of connecting pipe (21) is connected in the other end side of punching a hole jar (12), the other end opening fixed mounting of governing valve (2) has back flow (22), the one end fixed connection of back flow (22) is in the one end surface of oil tank (15).
2. The hydraulic control device capable of adjusting the punching stroke of the punching machine according to claim 1, wherein: the surface of one side of the adjusting valve (2) is fixedly provided with a motor (23), the shaft end of the motor (23) is rotatably provided with a valve core (24), and the surface of the valve core (24) is rotatably connected to the side surface of the inner cavity of the adjusting valve (2).
3. The hydraulic control device capable of adjusting the punching stroke of the punching machine according to claim 3, wherein: the side surface of the valve core (24) is provided with a right-angle channel (25), and two ends of the right-angle channel (25) are respectively connected to one end of the second pipeline (19) and one end of the connecting pipe (21).
4. The hydraulic control device capable of adjusting the punching stroke of the punching machine according to claim 1, wherein: the side face of one end of the side plate (11) is provided with a sliding groove (26), the side face of the sliding groove (26) is fixedly connected with a threaded rod (27), and the surface of one end of the threaded rod (27) is provided with a switch (28) in a sliding mode.
5. The hydraulic control device capable of adjusting the punching stroke of the punching machine according to claim 4, wherein: an electric wire (29) is connected in series with one end surface of the switch (28), and one end surface of the electric wire (28) is connected in series with one side surface of the motor (23).
6. The hydraulic control device capable of adjusting the punching stroke of the punching machine according to claim 4, wherein: and supporting nuts (3) are arranged on the surfaces of two sides of the switch (28), and the side surfaces of the supporting nuts (3) are in threaded connection with the surface of the threaded rod (27).
7. The hydraulic control device capable of adjusting the punching stroke of the punching machine according to claim 4, wherein: the switch is characterized in that an indicating head (31) is arranged on the surface of one side of the switch (28), a ruler (32) is fixedly connected to the surface of one end of the bottom plate (1), and the surface of the indicating head (31) is connected to the surface of the ruler (32) in a sliding mode.
8. The hydraulic control device capable of adjusting the punching stroke of the punching machine according to claim 1, wherein: the utility model discloses a switch, including connector (13), articulated through articulated seat (33) have clamp plate (34) on one side surface of connector (13), the one end surface sliding connection of clamp plate (34) is in the side of switch (28).
9. The hydraulic control device capable of adjusting the punching stroke of the punching machine according to claim 1, wherein: the one end fixed surface of connector (13) is connected with stopper (35), one side surface of stopper (35) is located the one end side of clamp plate (34).
10. The hydraulic control device capable of adjusting the punching stroke of the punching machine according to claim 1, wherein: the other end fixed surface of connector (13) is connected with connecting plate (36), the fixed surface of connecting plate (36) installs buffer spring (37), the one end fixed connection of buffer spring (37) is in the opposite side surface of clamp plate (34).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110428262.8A CN114508513A (en) | 2021-04-21 | 2021-04-21 | Hydraulic control device capable of adjusting punching stroke of punch press |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110428262.8A CN114508513A (en) | 2021-04-21 | 2021-04-21 | Hydraulic control device capable of adjusting punching stroke of punch press |
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| CN114508513A true CN114508513A (en) | 2022-05-17 |
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| CN202110428262.8A Pending CN114508513A (en) | 2021-04-21 | 2021-04-21 | Hydraulic control device capable of adjusting punching stroke of punch press |
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| CN205219783U (en) * | 2015-11-25 | 2016-05-11 | 浙江大学舟山海洋研究中心 | Big stroke high velocity ram machine drive arrangement of formula is united to machine liquid |
| CN107597963A (en) * | 2017-08-16 | 2018-01-19 | 芜湖晶鑫光电照明有限公司 | A kind of LED reflector decompressor |
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| CN210889516U (en) * | 2019-10-08 | 2020-06-30 | 十堰坤钰渝明汽车零部件有限公司 | Hydraulic circuit of forming punching die |
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