CN212945125U - Low-pressure protection device of pneumatic punching machine - Google Patents
Low-pressure protection device of pneumatic punching machine Download PDFInfo
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- CN212945125U CN212945125U CN202021814338.8U CN202021814338U CN212945125U CN 212945125 U CN212945125 U CN 212945125U CN 202021814338 U CN202021814338 U CN 202021814338U CN 212945125 U CN212945125 U CN 212945125U
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- fixed mounting
- protection device
- solenoid valve
- cylinder
- atmospheric pressure
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Abstract
The utility model relates to a pneumatic punch press technical field just discloses a pneumatic punch press's low atmospheric pressure protection device, comprises a workbench, the top fixed mounting of workstation has quantity to be two curb plates, the top fixed mounting of curb plate has the roof, the top fixed mounting of roof has the cylinder, the top fixed mounting of roof has the solenoid valve. This pneumatic punch's low atmospheric pressure protection device, cylinder through the roof top controls the punching press head and pushes down, make the stamping workpiece on the brace table obtain stamping forming, the work and the return of cylinder are controlled through the solenoid valve, and atmospheric pressure sensor through the solenoid valve outside detects atmospheric pressure size, when atmospheric pressure is on the low side, the pressure of punching press head is not enough to carry out stamping forming, atmospheric pressure sensor sends control signal this moment and makes the disconnection of controller control solenoid valve in the solenoid valve, make the cylinder stop and push down the work, thereby the protection stamping workpiece does not receive the punching press, the purpose that the protectiveness is good has been reached.
Description
Technical Field
The utility model relates to a pneumatic punch press technical field specifically is a pneumatic punch press's low atmospheric pressure protection device.
Background
The pneumatic punching machine utilizes high-pressure gas generated by the compressor to convey the compressed gas to the electromagnetic valve through a pipeline, and the pedal switch is used for controlling the action of the electromagnetic valve to control the work and the return of the air cylinder, so that the purpose of punching is achieved.
The pneumatic punching machines on the market at present are various, but generally have the defect of poor protection, and the condition that atmospheric pressure is too low can appear in current pneumatic punching machine at the punching press in-process, leads to the work piece of being punched to obtain sufficient pressure, and the work piece can not be complete shaping, if not discover in time, can waste a large amount of work pieces, causes economic loss, so provides a pneumatic punching machine's low atmospheric pressure protection device and solves above-mentioned problem that proposes.
SUMMERY OF THE UTILITY MODEL
Technical problem to be solved
The utility model provides a not enough to prior art, the utility model provides a pneumatic punch's low atmospheric pressure protection device possesses advantages such as protectiveness is good, has solved current pneumatic punch in stamping process, and the condition that atmospheric pressure was low excessively can appear, leads to the work piece by the punching press not to obtain sufficient pressure, and the work piece can not complete shaping, if not discover in time, can waste a large amount of work pieces, causes economic loss's problem.
(II) technical scheme
In order to realize the good purpose of the protection, the utility model provides a following technical scheme: a low-pressure protection device of a pneumatic punching machine comprises a workbench, wherein two side plates are fixedly mounted at the top of the workbench, a top plate is fixedly mounted at the top of each side plate, an air cylinder is fixedly mounted at the top of the top plate, an electromagnetic valve is fixedly mounted at the top of the top plate, an air pressure sensor is electrically connected to the outer side of the electromagnetic valve, a communicating pipe is fixedly connected with the electromagnetic valve and the air cylinder, a punching head is fixedly mounted at the bottom of the workbench, a movable hole is formed in the top of the workbench, a supporting table is movably mounted in the movable hole, a supporting plate is fixedly connected to the bottom of the supporting table, a supporting column is fixedly mounted at the bottom of the workbench, a guide sleeve is movably mounted at the outer side of the supporting column, a bottom plate is fixedly mounted at the bottom of the supporting column, an electric push rod, the inside movable mounting of sleeve has the loop bar, the top movable mounting of brace table has the stamping workpiece.
Preferably, the output end of the air cylinder is fixedly connected with the punching head, and the length and the width of the top plate are respectively equal to those of the workbench.
Preferably, the output end of the electric push rod is fixedly connected with the bottom of the support plate, and the top of the loop bar is fixedly connected with the bottom of the support plate.
Preferably, the number of the support columns is four, and the four support columns are uniformly distributed at four corners of the bottom surface of the workbench.
Preferably, the size of the movable hole is matched with that of the support table, and the support plate is fixedly connected with the four support columns.
Preferably, the pillar is a cylinder, the guide sleeve is a circular ring, and the inner diameter of the guide sleeve is matched with the outer diameter of the pillar.
(III) advantageous effects
Compared with the prior art, the utility model provides a pneumatic punch's low atmospheric pressure protection device possesses following beneficial effect:
1. this pneumatic punch's low atmospheric pressure protection device, cylinder through the roof top controls the punching press head and pushes down, make the stamping workpiece on the brace table obtain stamping forming, the work and the return of cylinder are controlled through the solenoid valve, and atmospheric pressure sensor through the solenoid valve outside detects atmospheric pressure size, when atmospheric pressure is on the low side, the pressure of punching press head is not enough to carry out stamping forming, atmospheric pressure sensor sends control signal this moment and makes the disconnection of controller control solenoid valve in the solenoid valve, make the cylinder stop and push down the work, thereby the protection stamping workpiece does not receive the punching press, the purpose that the protectiveness is good has been reached.
2. This pneumatic punch's low atmospheric pressure protection device, can drive the backup pad through the electric push rod and reciprocate, make the brace table can be in the downthehole activity from top to bottom of activity, normal conditions underpinning platform is in the fixed state, when atmospheric pressure is low excessively, baroceptor still can the work of signal control electric push rod, make electric push rod drive backup pad and brace table move down, the stamping workpiece on the brace table also can descend this moment, even the solenoid valve breaks down this moment, do not make cylinder stop work, but because the stroke is not enough when the punching press head pushes down, can't contact the stamping workpiece, the effect of protection stamping workpiece has been played, realize duplicate protection, the good mesh of protectiveness has been reached.
Drawings
FIG. 1 is a schematic structural view of the present invention;
fig. 2 is a top view of the working table of the present invention.
In the figure: 1 workbench, 2 side plates, 3 top plates, 4 cylinders, 5 electromagnetic valves, 6 air pressure sensors, 7 communicating pipes, 8 stamping heads, 9 movable holes, 10 supporting tables, 11 supporting plates, 12 pillars, 13 guide sleeves, 14 bottom plates, 15 electric push rods, 16 sleeves, 17 loop bars and 18 stamping parts.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-2, a low pressure protection device for a pneumatic punching machine comprises a workbench 1, two side plates 2 are fixedly installed on the top of the workbench 1, a top plate 3 is fixedly installed on the top of each side plate 2, an air cylinder 4 is fixedly installed on the top of the top plate 3, the type of the air cylinder 4 can be CJ2-Z, an electromagnetic valve 5 is fixedly installed on the top of the top plate 3, the row of the electromagnetic valve 5 can be SJ3A6, an air pressure sensor 6 is electrically connected to the outer side of the electromagnetic valve 5, a communicating pipe 7 is fixedly connected between the electromagnetic valve 5 and the air cylinder 4, a punching head 8 is fixedly installed on the bottom of the workbench 1, the output end of the air cylinder 4 is fixedly connected with the punching head 8, the length and the width of the top plate 3 are respectively equal to the length and the width of the workbench 1, a movable hole 9 is formed in the top of the workbench 1, a support table 10 is movably, the bottom of the workbench 1 is fixedly provided with four pillars 12, the number of the pillars 12 is four, the four pillars 12 are uniformly distributed at four corners of the bottom surface of the workbench 1, the size of the movable hole 9 is matched with the size of the support table 10, the support plate 11 is fixedly connected with the four pillars 12, the outer side of each pillar 12 is movably provided with a guide sleeve 13, each pillar 12 is a cylinder, each guide sleeve 13 is a circular ring, the inner diameter of each guide sleeve 13 is matched with the outer diameter of each pillar 12, the bottom of each pillar 12 is fixedly provided with a bottom plate 14, the top of each bottom plate 14 is fixedly provided with an electric push rod 15, the type of each electric push rod 15 can be Y802-4, the top of each bottom plate 14 is fixedly provided with a sleeve 16, the inner side of each sleeve 16 is movably provided with a sleeve rod 17, the sleeves 16 and the sleeve rods 17 are matched with each other to stretch and stretch out and draw back, further advance the location direction, prevent the slope of brace table 10, the output of electric push rod 15 and the bottom fixed connection of backup pad 11, the top of loop bar 17 and the bottom fixed connection of backup pad 11, the top movable mounting of brace table 10 has stamping workpiece 18, cylinder 4 through roof 3 top controls punching press head 8 and pushes down, make stamping workpiece 18 on the brace table 10 obtain stamping forming, control the work and the return of cylinder 4 through solenoid valve 5, and detect the atmospheric pressure size through baroceptor 6 in the solenoid valve 5 outside, when atmospheric pressure is on the low side, stamping forming is not enough carried out to punching press head 8's pressure, baroceptor 6 sends control signal this moment and makes the disconnection of controller control solenoid valve 5 in the solenoid valve 5, make cylinder 4 stop pushing down work, thereby protection stamping workpiece 18 does not receive the punching press, the purpose that the protectiveness is good has been reached.
In summary, in the low-pressure protection device of the pneumatic punch press, the air cylinder 4 on the top of the top plate 3 controls the pressing head 8 to press down, so that the pressing part 18 on the supporting table 10 is formed by pressing, the electromagnetic valve 5 controls the operation and return of the air cylinder 4, and the air pressure sensor 6 outside the electromagnetic valve 5 detects the air pressure, when the air pressure is low, the pressure of the pressing head 8 is not enough for forming by pressing, at this time, the air pressure sensor 6 sends out a control signal to make the controller in the electromagnetic valve 5 control the disconnection of the electromagnetic valve 5, so that the air cylinder 4 stops pressing down, thereby protecting the pressing part 18 from pressing, achieving the purpose of good protection, the supporting plate 11 can be driven to move up and down by the electric push rod 15, so that the supporting table 10 can move up and down in the movable hole 9, the supporting table 10 is in a fixed state under normal conditions, when the air pressure is too, make electric push rod 15 drive backup pad 11 and a supporting bench 10 and move down, stamping workpiece 18 on the supporting bench 10 also can descend this moment, even solenoid valve 5 breaks down this moment, does not make cylinder 4 stop work, but because the stroke is not enough when punching press head 8 pushes down, can't contact stamping workpiece 18, played the effect of protection stamping workpiece 18, realized dual protection, reached the good purpose of protectiveness.
Moreover, the supporting plate 11 can be driven to move up and down by the electric push rod 15, so that the supporting platform 10 can move up and down in the movable hole 9, the supporting platform 10 is in a fixed state under normal conditions, when the air pressure is too low, the air pressure sensor 6 can also send a signal to control the electric push rod 15 to work, so that the electric push rod 15 drives the supporting plate 11 and the supporting platform 10 to move down, and at the same time, the stamping part 18 on the supporting platform 10 can also fall down, even if the electromagnetic valve 5 fails to stop the air cylinder 4, but the stroke is insufficient when the stamping head 8 presses down, the stamping part 18 cannot be contacted, the function of protecting the stamping part 18 is achieved, double protection is achieved, the purpose of good protection is achieved, the problem that the situation that the air pressure is too low in the stamping process of the existing pneumatic punch is solved, the stamped workpieces cannot obtain enough pressure, and, if not found in time, a large number of workpieces can be wasted, and economic loss is caused.
It is to be noted that 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 an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a pneumatic punch press's low pressure protection device, includes workstation (1), its characterized in that: the top fixed mounting of workstation (1) has curb plate (2) that quantity is two, the top fixed mounting of curb plate (2) has roof (3), the top fixed mounting of roof (3) has cylinder (4), the top fixed mounting of roof (3) has solenoid valve (5), the outside electricity of solenoid valve (5) is connected with baroceptor (6), solenoid valve (5) and cylinder (4) fixedly connected with communicating pipe (7), the bottom fixed mounting of workstation (1) has punching press head (8), movable hole (9) have been seted up at the top of workstation (1), the inside movable mounting of movable hole (9) has brace table (10), the bottom fixed connection of brace table (10) has backup pad (11), the bottom fixed mounting of workstation (1) has pillar (12), the outside movable mounting of pillar (12) has uide bushing (13), the bottom fixed mounting of pillar (12) has bottom plate (14), the top fixed mounting of bottom plate (14) has electric push rod (15,) the top fixed mounting of bottom plate (14) has sleeve (16), the inboard movable mounting of sleeve (16) has loop bar (17), the top movable mounting of brace table (10) has stamping workpiece (18).
2. The low pressure protection device of a pneumatic punch press according to claim 1, wherein: the output end of the air cylinder (4) is fixedly connected with the stamping head (8), and the length and the width of the top plate (3) are respectively equal to those of the workbench (1).
3. The low pressure protection device of a pneumatic punch press according to claim 1, wherein: the output end of the electric push rod (15) is fixedly connected with the bottom of the support plate (11), and the top of the loop bar (17) is fixedly connected with the bottom of the support plate (11).
4. The low pressure protection device of a pneumatic punch press according to claim 1, wherein: the number of the support columns (12) is four, and the four support columns (12) are uniformly distributed at four corners of the bottom surface of the workbench (1).
5. The low pressure protection device of a pneumatic punch press according to claim 1, wherein: the size of the movable hole (9) is matched with that of the support table (10), and the support plate (11) is fixedly connected with the four support columns (12).
6. The low pressure protection device of a pneumatic punch press according to claim 1, wherein: the support column (12) is a cylinder, the guide sleeve (13) is a circular ring, and the inner diameter of the guide sleeve (13) is matched with the outer diameter of the support column (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021814338.8U CN212945125U (en) | 2020-08-27 | 2020-08-27 | Low-pressure protection device of pneumatic punching machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021814338.8U CN212945125U (en) | 2020-08-27 | 2020-08-27 | Low-pressure protection device of pneumatic punching machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212945125U true CN212945125U (en) | 2021-04-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021814338.8U Active CN212945125U (en) | 2020-08-27 | 2020-08-27 | Low-pressure protection device of pneumatic punching machine |
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| Country | Link |
|---|---|
| CN (1) | CN212945125U (en) |
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2020
- 2020-08-27 CN CN202021814338.8U patent/CN212945125U/en active Active
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