CN114857305A - Switching valve for vacuum material taking - Google Patents
Switching valve for vacuum material taking Download PDFInfo
- Publication number
- CN114857305A CN114857305A CN202210633907.6A CN202210633907A CN114857305A CN 114857305 A CN114857305 A CN 114857305A CN 202210633907 A CN202210633907 A CN 202210633907A CN 114857305 A CN114857305 A CN 114857305A
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- Prior art keywords
- air
- valve
- air inlet
- communicated
- valve core
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K11/00—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves
- F16K11/02—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit
- F16K11/04—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit comprising only lift valves
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
- F16K1/32—Details
- F16K1/34—Cutting-off parts, e.g. valve members, seats
- F16K1/36—Valve members
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
- F16K1/32—Details
- F16K1/34—Cutting-off parts, e.g. valve members, seats
- F16K1/46—Attachment of sealing rings
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K27/00—Construction of housing; Use of materials therefor
- F16K27/02—Construction of housing; Use of materials therefor of lift valves
- F16K27/0263—Construction of housing; Use of materials therefor of lift valves multiple way valves
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Multiple-Way Valves (AREA)
Abstract
The invention relates to a switching valve for vacuum material taking, which comprises a valve body, a valve seat and a valve core, wherein the valve body is hollow to form an accommodating cavity, the valve body is provided with a first air inlet and an air outlet channel, the first air inlet is communicated with a negative pressure air path, and the air outlet channel is communicated with a vacuum chuck; the valve seat is provided with a second air inlet hole which is communicated with the positive pressure air circuit; the valve core is elastically arranged in the containing cavity in a sliding manner, and an air flow channel is arranged in the valve core. When the valve core seals the second air inlet hole at the first position, the negative pressure air path can pump out air through the second air inlet hole, so that the sucking disc generates negative pressure to achieve the purpose of vacuum material taking; when the valve core is communicated with the air outlet channel at the second position, the positive pressure air circuit can compress air and enter the sucker through the air outlet channel to complete air blowing, so that the purposes of quickly discharging and cleaning dust are achieved.
Description
Technical Field
The invention relates to the technical field of mechanical equipment, in particular to a switching valve for vacuum material taking.
Background
In electronic equipment's course of working, in order to improve getting of product and put efficiency, people adopt the mode that the material was got in the vacuum to realize getting automatically and put fast, when using in the more environment of dust, need carry out just, negative pressure switching to in time clear up the dust in the sucking disc. However, the conventional switching valve has a complicated structure, which is not favorable for the layout of the air passage.
Disclosure of Invention
In view of the above-mentioned shortcomings of the prior art, the present invention is directed to a diverter valve for vacuum take-off.
In order to achieve the above purpose, the invention provides the following technical scheme:
the invention provides a switching valve for vacuum material taking, which comprises a valve body, wherein the valve body is hollow to form an accommodating cavity, the valve body is provided with a first air inlet and an air outlet channel, the first air inlet and the air outlet channel are communicated with the accommodating cavity, the first air inlet is communicated with a negative pressure air path, and the air outlet channel is communicated with a sucker;
the valve seat is arranged at the lower end of the valve body and is provided with a second air inlet hole communicated with the accommodating cavity, and the second air inlet hole is communicated with the positive pressure air circuit;
the valve core is arranged in the accommodating cavity in an elastic sliding mode between a first position and a second position, the second air inlet hole is sealed at the first position, the valve core is communicated with the air outlet channel at the second position, and an air flow channel communicated with the accommodating cavity is arranged in the valve core;
when the valve core seals the second air inlet hole at the first position, the first air inlet hole is communicated with the accommodating cavity, the airflow channel and the air outlet channel; when the valve core is communicated with the air outlet channel at the second position, the second air inlet hole is communicated with the accommodating cavity, the airflow channel and the air outlet channel.
Further, the air inlet valve further comprises an elastic piece, wherein the elastic piece is sleeved on the lower portion of the valve core, so that the valve core is kept at the first position to seal the second air inlet hole.
Furthermore, a first flange is arranged on the inner wall of the valve body, a second flange is arranged on the valve core close to the second air inlet, the elastic piece is sleeved on the lower portion of the valve core, and two ends of the elastic piece are respectively abutted to the first flange and the second flange.
Furthermore, the accommodating cavity comprises a first accommodating cavity, a second accommodating cavity and a third accommodating cavity which are sequentially arranged, the valve core is attached to the inner wall of the second accommodating cavity, the upper end and the lower end of the valve core are respectively accommodated in the first accommodating cavity and the third accommodating cavity, the first air inlet hole is communicated with the first accommodating cavity, and the air flow channel is communicated with the third accommodating cavity;
when the valve core is at the first position, the valve core separates the second air inlet hole from the third accommodating cavity, the air flow channel and the air outlet channel, and when the valve core is at the second position, the valve core separates the first air inlet hole from the air outlet channel, the air flow channel and the third accommodating cavity.
Furthermore, the valve also comprises a hollow guide sleeve, and the guide sleeve and the valve core are arranged outside the second accommodating cavity.
Further, the valve core comprises a rod part and a cap part, the rod part is inserted into the air outlet channel, the cap part is used for sealing the second air inlet hole, the rod part is hollow to form the air flow channel, and the side surface of the rod part is provided with a plurality of air guide holes communicated with the air flow channel.
Further, the air outlet channel comprises a first section and a second section, the aperture of the first section is smaller than that of the second section, a first step is formed between the first section and the second section, and a second step is formed between the second section and the first accommodating cavity;
an insertion end is arranged at the upper end of the rod part, the edge contour dimension of the insertion end is smaller than that of the rod part, a third step is formed on the side wall between the insertion end and the rod part, when the valve core is located at the second position, the insertion end is inserted into the first section and abutted against the first step, and the third step is abutted against the second step.
Furthermore, a first sealing ring is sleeved outside the insertion end, and when the valve core is located at the second position, the first sealing ring is clamped between the third step and the second step.
Furthermore, a second sealing ring is sleeved at the joint of the rod part and the cap part and used for sealing the second air inlet hole.
Further, the valve seat comprises a first barrel and a second barrel, the edge contour dimension of the first barrel is smaller than that of the second barrel, a boss is arranged at the joint of the edge contour of the first barrel and the second barrel, a butt platform is arranged in the side wall of the lower portion of the valve body, the first barrel is inserted into the bottom opening of the valve body, the boss is abutted to the butt platform, and the second barrel is abutted to the side wall of the valve body.
The technical scheme of the invention has the following beneficial effects:
the switching valve of the invention utilizes the elastic sliding of the valve core in the valve body to enable the valve core to seal the second air inlet hole at the first position, so that the negative pressure air path can pump out the sucking disc and the air in the valve body through the second air inlet hole, thereby enabling the sucking disc to generate negative pressure to achieve the purpose of vacuum material taking; the switching valve is separately connected with the positive pressure gas path and the negative pressure gas path, can switch between the positive pressure gas path and the negative pressure gas path, has a simple structure and is beneficial to the layout of the gas path.
Drawings
FIG. 1 is an exploded view of the present invention;
FIG. 2 is a schematic cross-sectional view of the present invention in a first position;
FIG. 3 is a schematic cross-sectional view of the present invention in a second position;
FIG. 4 is a schematic cross-sectional view of the valve body of the present invention;
FIG. 5 is a cross-sectional schematic view of the valve cartridge of the present invention;
fig. 6 is a cross-sectional schematic view of a valve seat of the present invention.
Description of reference numerals:
100-switching valve, 10-valve body, 11-containing cavity, 111-first containing cavity, 112-second containing cavity, 113-third containing cavity, 12-first air inlet hole, 13-air outlet channel, 131-first section, 132-second section, 133-first step, 134-second step, 15-abutting platform, 20-valve seat, 21-second air inlet hole, 22-first barrel, 23-second barrel, 24-boss, 30-valve core, 31-air flow channel, 32-second flange, 33-rod part, 331-air guide hole, 332-insertion end, 333-third step, 334-first sealing ring, 335-second sealing ring, 34-cap part, 40-elastic part and 50-guide sleeve.
Detailed Description
The technical solutions 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, and it is obvious that the specific embodiments described herein are only for explaining the present invention and are not intended to limit the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that all the directional indicators (such as up, down, left, right, front, and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the movement situation, etc. in a specific posture (as shown in the drawing), and if the specific posture is changed, the directional indicator is changed accordingly.
In the present invention, unless otherwise explicitly stated or limited, the terms "connected", "fixed", and the like are to be understood broadly, and for example, "connected" may be a fixed connection, a detachable connection, or an integral body; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood according to specific situations by those of ordinary skill in the art.
In addition, descriptions such as "first", "second", etc. in the present invention are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature.
Referring to fig. 1 to 6, the present invention provides a switching valve 100 for vacuum material taking, including a valve body 10, wherein the valve body 10 is hollow to form an accommodating cavity 11, the valve body 10 is provided with a first air inlet 12 and an air outlet channel 13, the first air inlet 12 is communicated with a negative pressure air path, and the air outlet channel 13 is communicated with a suction cup.
The valve seat 20 is installed at the lower end of the valve body 10, the valve seat 20 is provided with a second air inlet 21 communicated with the accommodating cavity 11, and the second air inlet 21 is communicated with a positive pressure air circuit.
And the valve core 30 is elastically arranged in the accommodating cavity 11 in a sliding manner between a first position and a second position, the second air inlet hole 21 is sealed at the first position, the valve core 30 is communicated with the air outlet channel 13 at the second position, and an air flow channel 31 communicated with the accommodating cavity 11 is arranged in the valve core 30.
When the valve core 30 seals the second air inlet hole 21 at the first position, the first air inlet hole 12 is communicated with the accommodating cavity 11, the air flow channel 31 and the air outlet channel 13, and the negative pressure air path can pump out air in the valve body 10; when the valve core 30 is communicated with the air outlet channel 13 at the second position, the other end of the valve core 30 is completely separated from the second air inlet hole 21, at this time, the second air inlet hole 21 is communicated with the accommodating cavity 11, the air flow channel 31 and the air outlet channel 13, and the air in the positive pressure air path can enter the suction cup.
As shown in fig. 2, in a normal state, the valve core 30 seals the second air inlet 21 at the first position, at this time, the negative pressure air path is opened, the positive pressure air path is closed, and the air inside the valve body 10 is continuously extracted, because the first air inlet 12 is communicated with the accommodating cavity 11, the air flow channel 31 and the air outlet channel 13, the air is forced to pass through the air outlet channel 13 only, so that the suction cup generates negative pressure to achieve the purpose of vacuum material taking.
As shown in fig. 3, after the material is taken, the negative pressure gas path is closed, the positive pressure gas path is opened, air enters through the second gas inlet hole 21, when the gas pressure at the second gas inlet hole 21 is much higher than the gas pressure inside the valve body 10, the valve element 30 is pushed to move and enter the gas outlet channel 13, and when the lower part of the valve element 30 is completely separated from the second gas inlet hole 21, the second gas inlet hole 21 is communicated with the accommodating cavity 11, the gas flow channel 31 and the gas outlet channel 13, and at this time, the gas enters the suction cup through the second gas inlet hole 21, the accommodating cavity 11, the gas flow channel 31 and the gas outlet channel 13 to complete blowing, so that the purposes of rapidly discharging and cleaning dust are achieved.
The switching valve 100 of the present invention separately connects the positive pressure gas path and the negative pressure gas path, and can switch between the two, and has a simple structure, which is beneficial to the layout of the gas paths.
Further, the switching valve 100 further includes an elastic member 40, preferably, the elastic member 40 is a spring, and the elastic member 40 is sleeved on a lower portion of the valve element 30 to keep the valve element 30 at the first position to seal the second intake hole 21.
When material taking is carried out, the negative pressure gas path continuously extracts gas in the valve body 10, so that the pressure in the valve body 10 is reduced, at the moment, the pressure at the position of the second gas inlet hole 21 is greater than the pressure in the valve body 10, so that the valve core 30 is subjected to suction force, and due to the existence of the elastic piece 40, the elastic force applied to the valve core 30 is greater than the suction force, so that the valve core 30 is kept at the first position to seal the second gas inlet hole 21, normal material taking is further ensured, and gas leakage is avoided.
After the positive pressure air circuit finishes blowing, the valve core 30 moves towards the second air inlet hole 21 due to the reset action of the elastic piece 40, so that the second air inlet hole 21 is sealed again, and the next material taking operation is facilitated.
Specifically, a first flange is arranged on the inner wall of the valve body 10, a second flange 32 is arranged at a position, close to the second air inlet 21, of the valve core 30, the elastic member 40 is sleeved on the lower portion of the valve core 30, and two ends of the elastic member 40 are respectively abutted to the first flange and the second flange 32, so that the elastic member 40 can be stably installed, and deviation is avoided.
Referring to fig. 4, the accommodating cavity 11 includes a first accommodating cavity 111, a second accommodating cavity 112 and a third accommodating cavity 113 which are sequentially arranged, the valve element 30 is attached to an inner wall of the second accommodating cavity 112, upper and lower ends of the valve element are respectively accommodated in the first accommodating cavity 111 and the third accommodating cavity 113, the first air inlet hole 12 is communicated with the first accommodating cavity 111, and the air flow passage 31 is communicated with the third accommodating cavity 113.
When the valve core 30 is in the first position, the valve core 30 separates the second air inlet hole 21 from the third accommodating cavity 113, the air flow channel 31 and the air outlet channel 13. When the valve core 30 is in the second position, the valve core 30 separates the first air inlet 12 from the air outlet channel 13, the air flow channel 31 and the third accommodating cavity 113, that is, the valve core 30 separates the first accommodating cavity 111 from the third accommodating cavity 113, so that the air in the positive pressure air path cannot enter the first accommodating cavity 111, but can only enter the third accommodating cavity 113 through the second air inlet 21, and flows through the air flow channel 31 and the air outlet channel 13.
In this embodiment, the switching valve 100 further includes a hollow guide sleeve 50, the guide sleeve 50 may be made of a silicone material, the guide sleeve 50 is sleeved outside the valve element 30 and is accommodated in the second accommodating cavity 112 to play a role in guiding and a role in sealing, and when the valve element 30 is communicated with the air outlet channel 13 at the second position, the third accommodating cavity 113 and the first accommodating cavity 111 are separated by the valve element 30 and the guide sleeve 50 to prevent air from leaking from a gap of the guide sleeve 50.
In the present embodiment, the guide sleeve 50 serves as a second flange, and one end of the elastic member abuts against the guide sleeve 50.
Referring to fig. 5, the valve core 30 includes a rod portion 33 and a cap portion 34, the rod portion 33 is inserted into the air outlet channel 13, the cap portion 34 is used for sealing the second air inlet hole 21, the rod portion 33 is hollow to form the air flow channel 31, a plurality of air guide holes 331 communicating with the air flow channel 31 are formed in a side surface of the rod portion 33, and the rod portion 33 is inserted into the air outlet channel 13, so that the air outlet channel 13 communicates with the air flow channel 31 in the rod portion 33, and communicates with the third receiving cavity 113 through the air guide holes 331.
Preferably, the number of the air holes 331 is four, and the four air holes are uniformly distributed along the circumferential direction of the rod portion 33, so that the air intake amount is increased.
With reference to fig. 4, the outlet channel 13 includes a first section 131 and a second section 132, an aperture of the first section 131 is smaller than an aperture of the second section 132, a first step 133 is formed between the first section 131 and the second section 132, and a second step 134 is formed between the second section 132 and the first receiving cavity 111;
an insertion end 332 is arranged at the upper end of the rod part 33, the edge contour dimension of the insertion end 332 is smaller than that of the rod part 33, a third step 333 is formed on the side wall between the insertion end 332 and the rod part 33, when the valve core 30 is at the second position, the insertion end 332 is inserted into the first section 131 and abuts against the first step 133, and the third step 333 abuts against the second step 134, so that the matching degree of the insertion end 332 and the air outlet channel 13 is improved, and meanwhile, the sealing effect is improved.
In this embodiment, a first sealing ring 334 is sleeved outside the insertion end 332, and when the valve element 30 is in the second position, the first sealing ring 334 is sandwiched between the third step 333 and the second step 134, that is, gas is prevented from leaking from a gap between the gas outlet channel 13 and the insertion end 332, so that the sealing effect is improved.
In the present embodiment, a second sealing ring 335 is sleeved at a connection portion of the rod portion 33 and the cap portion 34 to seal the second air inlet hole 21, so as to improve a sealing effect.
Referring to fig. 6, the valve seat 20 includes a first cylinder 22 and a second cylinder 23, an edge contour dimension of the first cylinder 22 is smaller than an edge contour dimension of the second cylinder 23, a boss 24 is disposed at a connection position of the edge contour of the first cylinder 22 and the edge contour of the second cylinder 23, an abutting platform 15 is disposed in a side wall of a lower portion of the valve body 10, the first cylinder 22 is inserted into an opening of a bottom of the valve body 10, the boss 24 abuts against the abutting platform 15, the second cylinder 23 abuts against a side wall of the valve body 10, and connection stability and a sealing effect of the valve seat 20 and the valve body 10 are improved.
The above examples of the present invention are merely examples for clearly illustrating the present invention and are not intended to limit the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. Not all embodiments are exhaustive. All obvious changes and modifications which are obvious to the technical scheme of the invention are covered by the protection scope of the invention.
Claims (10)
1. The switching valve for vacuum material taking is characterized by comprising a valve body, wherein an accommodating cavity is formed in the valve body in a hollow mode, the valve body is provided with a first air inlet and an air outlet channel, the first air inlet is communicated with a negative pressure air path, and the air outlet channel is communicated with a sucker;
the valve seat is arranged at the lower end of the valve body and is provided with a second air inlet hole communicated with the accommodating cavity, and the second air inlet hole is communicated with the positive pressure air circuit;
the valve core is arranged in the accommodating cavity in an elastic sliding mode between a first position and a second position, the second air inlet hole is sealed at the first position, the valve core is communicated with the air outlet channel at the second position, and an air flow channel communicated with the accommodating cavity is arranged in the valve core;
when the valve core seals the second air inlet hole at the first position, the first air inlet hole is communicated with the accommodating cavity, the airflow channel and the air outlet channel; when the valve core is communicated with the air outlet channel at the second position, the second air inlet hole is communicated with the accommodating cavity, the airflow channel and the air outlet channel.
2. The switching valve according to claim 1, further comprising an elastic member sleeved on a lower portion of the valve body to keep the valve body at the first position to seal the second intake hole.
3. The switching valve according to claim 2, wherein a first flange is provided on an inner wall of the valve body, a second flange is provided on the valve body near the second air inlet, the elastic member is fitted over a lower portion of the valve body, and both ends of the elastic member are respectively abutted against the first flange and the second flange.
4. The switching valve according to claim 1, wherein the accommodating chamber comprises a first accommodating chamber, a second accommodating chamber and a third accommodating chamber which are arranged in sequence, the valve core is attached to the inner wall of the second accommodating chamber, the upper end and the lower end of the valve core are accommodated in the first accommodating chamber and the third accommodating chamber respectively, the first air inlet hole is communicated with the first accommodating chamber, and the air flow channel is communicated with the third accommodating chamber;
when the valve core is at the first position, the valve core separates the second air inlet hole from the third accommodating cavity, the air flow channel and the air outlet channel, and when the valve core is at the second position, the valve core separates the first air inlet hole from the air outlet channel, the air flow channel and the third accommodating cavity.
5. The switching valve of claim 4, further comprising a hollow guide sleeve, wherein the guide sleeve is received in the second receiving cavity outside the spool.
6. The switching valve according to claim 4, wherein the valve core includes a rod portion and a cap portion, the rod portion is inserted into the air outlet passage, the cap portion is used for sealing the second air inlet hole, the rod portion is hollow to form the air flow passage, and a plurality of air guide holes communicated with the air flow passage are formed in a side surface of the rod portion.
7. The switching valve according to claim 6, wherein the outlet channel comprises a first section and a second section, the aperture of the first section is smaller than that of the second section, a first step is formed between the first section and the second section, and a second step is formed between the second section and the first accommodating cavity;
an insertion end is arranged at the upper end of the rod part, the edge contour dimension of the insertion end is smaller than that of the rod part, a third step is formed on the side wall between the insertion end and the rod part, when the valve core is located at the second position, the insertion end is inserted into the first section and abutted against the first step, and the third step is abutted against the second step.
8. The switching valve of claim 7, wherein the insertion end is externally sleeved with a first sealing ring, and the first sealing ring is clamped between the third step and the second step when the valve core is in the second position.
9. The switching valve according to claim 6, wherein a second sealing ring is sleeved at a connection of the rod part and the cap part for sealing the second air inlet hole.
10. The switching valve of claim 1, wherein the valve seat comprises a first cylinder and a second cylinder, the first cylinder has a smaller edge profile than the second cylinder, a boss is disposed at the connection of the first cylinder and the second cylinder, an abutment platform is disposed in the lower sidewall of the valve body, the first cylinder is inserted into the bottom opening of the valve body, the boss abuts the abutment platform, and the second cylinder abuts the sidewall of the valve body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210633907.6A CN114857305A (en) | 2022-06-07 | 2022-06-07 | Switching valve for vacuum material taking |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210633907.6A CN114857305A (en) | 2022-06-07 | 2022-06-07 | Switching valve for vacuum material taking |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114857305A true CN114857305A (en) | 2022-08-05 |
Family
ID=82623668
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210633907.6A Pending CN114857305A (en) | 2022-06-07 | 2022-06-07 | Switching valve for vacuum material taking |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114857305A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116174773A (en) * | 2023-04-17 | 2023-05-30 | 苏州速易德工业装备系统有限公司 | Multi-point vacuum chuck |
-
2022
- 2022-06-07 CN CN202210633907.6A patent/CN114857305A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116174773A (en) * | 2023-04-17 | 2023-05-30 | 苏州速易德工业装备系统有限公司 | Multi-point vacuum chuck |
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