CN211029129U - Pure pneumatic unclamping cylinder with flat-lying type small-volume electromagnetic valve - Google Patents
Pure pneumatic unclamping cylinder with flat-lying type small-volume electromagnetic valve Download PDFInfo
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- CN211029129U CN211029129U CN201921386705.6U CN201921386705U CN211029129U CN 211029129 U CN211029129 U CN 211029129U CN 201921386705 U CN201921386705 U CN 201921386705U CN 211029129 U CN211029129 U CN 211029129U
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- Prior art keywords
- end cover
- cylinder
- air inlet
- electromagnetic valve
- rod
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- 229910052751 metal Inorganic materials 0.000 claims abstract description 29
- 239000002184 metal Substances 0.000 claims abstract description 29
- 238000007789 sealing Methods 0.000 claims description 19
- 229910000838 Al alloy Inorganic materials 0.000 claims description 3
- 238000009434 installation Methods 0.000 abstract description 12
- 238000011161 development Methods 0.000 abstract description 5
- 230000002349 favourable effect Effects 0.000 abstract 1
- 238000000034 method Methods 0.000 description 6
- 238000013461 design Methods 0.000 description 5
- 230000009471 action Effects 0.000 description 4
- 230000018109 developmental process Effects 0.000 description 4
- 230000008569 process Effects 0.000 description 3
- 238000005242 forging Methods 0.000 description 2
- 230000007774 longterm Effects 0.000 description 2
- 230000032683 aging Effects 0.000 description 1
- 238000010009 beating Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000012994 industrial processing Methods 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000007790 scraping Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model discloses a pure pneumatic unclamping cylinder with a flat-lying type small-volume electromagnetic valve, which comprises an upper end cover, a lower end cover and a cylinder body, wherein a disc is arranged between the adjacent cylinder bodies, the cylinder body and the disc are arranged between the upper end cover and the lower end cover, the upper end cover is provided with a push rod air inlet hole communicated with the cylinder body, and the lower end cover is provided with a rod returning air inlet hole; the top of the upper end cover is fixedly provided with a horizontal electromagnetic valve, a first air outlet of the electromagnetic valve is communicated with an air inlet of the push rod, a second air outlet of the electromagnetic valve is communicated with an auxiliary air hole, and a communicated metal pipe is arranged between the auxiliary air hole and the air inlet of the withdrawing rod. The utility model discloses reduced the installation space of pneumatic unclamping cylinder upper end cover one side, and further dwindled tracheal installation space of side through the ally oneself with tubular metal resonator, practiced thrift holistic installation space, be favorable to using the miniaturization and the lightweight development of unclamping cylinder machinery, the tubular metal resonator can also improve life simultaneously.
Description
Technical Field
The utility model belongs to the technical field of the jar of forging a knife, in particular to pure pneumatic jar of forging a knife with flat formula of lying small size solenoid valve.
Background
The tool beating cylinder is used for changing tools for a main shaft of a machining center, and usually a pneumatic cylinder and an oil hydraulic cylinder are linked to realize power transmission. With the development and progress of the structure of the unclamping cylinder, the purely pneumatic unclamping cylinder is gradually applied to industrial processing and production. Pure pneumatic unclamping cylinder is usually by multisection cylinder coaxial coupling, adopt high-pressure gas to carry out the pressure boost, but its outside solenoid valve and calandria still follow the structure of traditional gas-liquid unclamping cylinder, the solenoid valve is vertical to be installed on the end cover of unclamping cylinder, air inlet and the gas outlet intercommunication of air port with the solenoid valve through plastic hose with the unclamping cylinder, structural design can increase the vertical installation space of unclamping cylinder in machinery like this, be unfavorable for mechanical miniaturization and lightweight development, and the hose for the connection exposes outside, use easy thermal ageing in the inside long-term use of machine, influence life, and connect and also can occupation space with the hose, prolong the gas circuit of unclamping cylinder, be unfavorable for pure pneumatic unclamping cylinder's work.
SUMMERY OF THE UTILITY MODEL
The utility model discloses to the problem of the existence of above-mentioned prior art, provide the pure pneumatic unclamping cylinder with flat formula of lying small size solenoid valve.
The utility model discloses a following technical means realizes solving above-mentioned technical problem:
the pure pneumatic unclamping cylinder with the flat-lying type small-volume electromagnetic valve comprises an upper end cover, a lower end cover and a cylinder body, wherein a disc is arranged between the adjacent cylinder bodies, the cylinder body and the disc are arranged between the upper end cover and the lower end cover and are fixed with the lower end cover through the upper end cover, a push rod air inlet hole 41 and an auxiliary air hole are formed in the upper end cover, the push rod air inlet hole 41 is communicated with the cylinder body, and a rod withdrawing air inlet hole 42 is formed in the lower end cover; a horizontal electromagnetic valve is fixedly mounted at the top of the upper end cover, a first air outlet of the electromagnetic valve is communicated with the push rod air inlet 41, a second air outlet of the electromagnetic valve is communicated with the auxiliary air hole, a metal pipe is arranged between the auxiliary air hole and the rod air inlet 42, and two ends of the metal pipe are respectively communicated with an air outlet of the auxiliary air hole and an air inlet of the rod air inlet 42.
Further, the metal pipe is mounted in a wall-attaching manner, the air outlet of the auxiliary air hole is formed in the side wall of the upper end cover, and the air inlet of the rod-withdrawing air inlet hole 42 is formed in the side wall of the lower end cover.
Furthermore, the metal pipe is installed externally, the air outlet of the auxiliary air hole is arranged at the bottom of the upper end cover, and the air inlet of the rod withdrawing air inlet hole 42 is arranged at the top of the lower end cover.
Furthermore, a sealing washer is arranged at the joint of the metal pipe and the auxiliary air hole, and a sealing washer is also arranged at the joint of the metal pipe and the rod withdrawing air inlet hole 42.
Further, the metal pipe is an aluminum alloy pipe.
Further, the main part of solenoid valve sets up the top at the upper end cover.
The utility model has the advantages that: the utility model changes the traditional vertical design of the electromagnetic valve into the horizontal design, greatly reduces the installation space on one side of the upper end cover of the pneumatic unclamping cylinder, and further reduces the installation space of the air pipe on the side surface by combining the metal pipes, greatly saves the whole installation space, and is beneficial to the miniaturization and light-weight development of the machinery applying the unclamping cylinder; in addition, the metal pipe has higher connection strength and better pressure resistance, can better solve the problem that the interior of the machine is easy to heat and age after being used for a long time, and prolongs the service life.
Drawings
FIG. 1 is a schematic view of the external structure of the pneumatic unclamping cylinder of the present invention;
FIG. 2 is a schematic view of the inner structure of the first embodiment of the pneumatic unclamping cylinder of the present invention;
fig. 3 is a schematic view of the inner structure of the second embodiment of the pneumatic unclamping cylinder of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, 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, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
Examples
As shown in fig. 1 and 2, the pure pneumatic unclamping cylinder with a flat-lying type small-volume electromagnetic valve includes an upper end cover 11, a lower end cover 12, a plurality of cylinder bodies 20 coaxially disposed and a connecting rod 13, wherein the cylinder bodies 20 are axially stacked and disposed between the upper end cover 11 and the lower end cover 12, the upper end cover 11 and the lower end cover 12 are fixedly connected through the connecting rod 13, so that the upper end cover 11, the lower end cover 12 and the cylinder body 20 are fixed, the cylinder bodies 20 and the upper end cover 11 are fixedly connected through a sealing ring, and the cylinder bodies 20 and the lower end cover 12 are also fixedly connected through a sealing ring; the cylinder 20 comprises a cylinder 21 and a piston disc 22 arranged in the cylinder 20 in a sliding way, the piston disc 22 is abutted against the inner side wall of the cylinder 21, and a sealing ring is embedded on the edge of the piston disc 22 for improving the sealing performance; a disc 24 for connection and sealing is arranged between the adjacent cylinder barrels 21, the disc 24 is connected with the cylinder barrel 21 facing one side of the lower end cover 12 in a sealing manner through a sealing washer, through holes with equal diameters are formed in the centers of the disc 24 and the piston disc 22, a piston rod 23 is arranged in each through hole, the piston rod 23 is hollow and tubular and used for blowing air through a pipe orifice by using high-pressure air, the piston rod 23 is fixedly connected with the piston disc 22 in a sealing manner through a sealing ring, the piston rod 23 is connected with the disc 24 in a sealing sliding manner through the sealing ring, the upper end of the piston rod 23 is fixedly connected with the piston disc 22 close to the upper end cover 11 in a sealing manner, and the lower end of the piston rod 23 penetrates through the lower end cover; the side wall of the piston rod 23 is also provided with a plurality of side air outlet holes 231, the number of the side air outlet holes 231 is eight times less than that of the piston disc 22, and the side air outlet holes 231 are positioned above the joint of the piston disc 22 and the piston rod 23 and below the joint of the circular disc 24 and the piston rod 23; the upper end cover 11 is provided with a push rod air inlet hole 41, the push rod air inlet hole 41 extends downwards to the cylinder body 20, the lower end cover 12 is provided with a rod returning air inlet hole 42, and the rod returning air inlet hole 42 extends upwards to the cylinder body 20.
The pneumatic knife striking cylinder is a main working structural component of the pure pneumatic knife striking cylinder, when the pneumatic knife striking cylinder works, high-pressure gas is injected through the push rod air inlet 41 on the upper end cover 11 to generate pressure, and the piston disc 22 moves towards the lower end cover 12 under the action of the air pressure due to the sliding sealing connection of the cylinder barrel 21 and the piston disc 22, so that the piston rod 23 is driven to move towards the lower end cover 12; because the piston rod 23 is of a hollow structure, the gas can overflow through the side gas outlet 231 along the center of the piston rod 23, so that the high-pressure gas enters between the piston disc 22 and the disc 24 below, and the gas pressure is continuously generated to push the piston disc 22 to move towards the lower end cover 12, so that the piston rod 23 is pushed downwards to achieve the purpose of scraping the cutter; after the knife is cut, air is supplied through the rod withdrawing air inlet holes 42 on the lower end cover 12, air enters between the lower end cover 12 and the piston disc 22 through the rod withdrawing air inlet holes 42, the piston disc 22 and the piston rod 23 are reset by the air pressure below, and the air between the piston disc 22 and the disc 24 is discharged through the push rod air inlet holes 41, so that the next knife cutting can be performed.
In this embodiment, as shown in fig. 2, a solenoid valve 30 is fixedly mounted at the top of the upper end cover 11, the solenoid valve 30 is horizontally mounted, an air inlet of the solenoid valve 30 is communicated with an air source, an air outlet of the solenoid valve 30 is communicated with a push rod air inlet 41 on the upper end cover 11, an auxiliary air hole (not shown in the figure) matched with a rod returning air inlet 42 is further arranged on the upper end cover 11, another air outlet of the solenoid valve 30 is communicated with the auxiliary air hole, a metal pipe 31 is fixedly mounted between the upper end cover 11 and the lower end cover 12, the upper end of the metal pipe 31 is communicated with the auxiliary air hole, and the lower end of the metal pipe 31 is communicated with the rod returning air inlet 42. In order to reduce the overall volume of the unclamping cylinder, the metal pipe 31 is wall-mounted on the side surfaces of the upper end cover 11 and the lower end cover 12. The metal tube 31 is made of an aluminum alloy tube.
Thus, the vertical design of the traditional electromagnetic valve 30 is changed into the horizontal design, the installation space of one side of the upper end cover 11 of the pneumatic unclamping cylinder is greatly reduced, the installation space of the air pipe on the side surface is further reduced by combining the metal pipe 31, the integral installation space is greatly saved, and the miniaturization and light-weight development of machinery applying the unclamping cylinder is facilitated; in addition, the metal pipe 31 has higher connection strength and better pressure resistance, can better solve the problem that the interior of the machine is easy to heat and age after long-term use, and prolongs the service life.
In order to solve the problem that the installation of the travel switch 40 is affected after the electromagnetic valve 30 is horizontally installed, as shown in fig. 2, the travel switch 40 is designed to be installed on the side wall of the unclamping cylinder in a wall-mounted manner, a movable contact of the travel switch 40 extends into the cylinder 21 through a connecting sheet and is fixedly connected with the bottom of the piston disc 22, and an opening for the connecting sheet to slide is formed in the side wall of the cylinder 21.
As shown in fig. 1 and 2, in order not to affect the installation space outside the unclamping cylinder, the main body of the solenoid valve 30 is provided on the top of the upper cover 11.
In another embodiment of the present invention, as shown in fig. 3, the metal tube 31 is installed externally, the gas outlet of the auxiliary air hole is disposed at the bottom of the upper end cover 11, and the air inlet of the rod-returning air inlet 42 is disposed at the top of the lower end cover 12.
As shown in fig. 3, a sealing gasket is disposed at a joint of the metal pipe 31 and the auxiliary air hole to ensure air tightness, and a sealing gasket is also disposed at a joint of the metal pipe 31 and the rod-withdrawing air hole 42 to ensure air tightness.
It is noted that, in this document, relational terms such as first and second, and the like, if any, 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. Also, 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.
The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.
Claims (6)
1. The pure pneumatic unclamping cylinder with the flat-lying type small-volume electromagnetic valve comprises an upper end cover (11), a lower end cover (12) and cylinder bodies (20), wherein a disc (24) is arranged between the adjacent cylinder bodies (20), the cylinder bodies (20) and the disc (24) are arranged between the upper end cover (11) and the lower end cover (12) and are fixed with the lower end cover (12) through the upper end cover (11), and the pure pneumatic unclamping cylinder is characterized in that a push rod air inlet hole (41) and an auxiliary air hole are formed in the upper end cover (11), the push rod air inlet hole (41) is communicated with the cylinder bodies (20), and a rod withdrawing air inlet hole (42) is formed in the lower end cover (12); the top of upper end cover (11) is fixed with solenoid valve (30) of crouching, the first venthole and push rod inlet port (41) intercommunication of solenoid valve (30), the second venthole and the supplementary gas pocket intercommunication of solenoid valve (30), be equipped with tubular metal resonator (31) between supplementary gas pocket and the pole inlet port (42) of moving back, just the both ends of tubular metal resonator (31) communicate with the gas outlet of supplementary gas pocket and the air inlet of moving back pole inlet port (42) respectively.
2. The cylinder of claim 1, wherein the metal tube (31) is mounted close to the wall, the outlet of the auxiliary air hole is disposed on the sidewall of the upper end cover (11), and the inlet of the rod-withdrawing air hole (42) is disposed on the sidewall of the lower end cover (12).
3. The cylinder of claim 1, wherein the metal tube (31) is installed externally, the outlet of the auxiliary air hole is arranged at the bottom of the upper end cover (11), and the inlet of the rod-withdrawing air hole (42) is arranged at the top of the lower end cover (12).
4. The pure pneumatic unclamping cylinder with the lying type small-volume electromagnetic valve according to claim 2, characterized in that a sealing gasket is arranged at the joint of the metal pipe (31) and the auxiliary air hole, and a sealing gasket is also arranged at the joint of the metal pipe (31) and the rod-withdrawing air inlet hole (42).
5. The pure pneumatic unclamping cylinder with the lying low-volume electromagnetic valve according to any one of claims 1 to 4, wherein the metal tube (31) is an aluminum alloy tube.
6. The pure pneumatic unclamping cylinder with a lying low volume solenoid valve according to claim 5, characterized in that the body of the solenoid valve (30) is arranged on top of the upper end cover (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921386705.6U CN211029129U (en) | 2019-08-23 | 2019-08-23 | Pure pneumatic unclamping cylinder with flat-lying type small-volume electromagnetic valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921386705.6U CN211029129U (en) | 2019-08-23 | 2019-08-23 | Pure pneumatic unclamping cylinder with flat-lying type small-volume electromagnetic valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211029129U true CN211029129U (en) | 2020-07-17 |
Family
ID=71562140
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921386705.6U Expired - Fee Related CN211029129U (en) | 2019-08-23 | 2019-08-23 | Pure pneumatic unclamping cylinder with flat-lying type small-volume electromagnetic valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211029129U (en) |
-
2019
- 2019-08-23 CN CN201921386705.6U patent/CN211029129U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200717 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |