CN218691089U - Blocking type wide-opening dispensing valve - Google Patents
Blocking type wide-opening dispensing valve Download PDFInfo
- Publication number
- CN218691089U CN218691089U CN202223112230.6U CN202223112230U CN218691089U CN 218691089 U CN218691089 U CN 218691089U CN 202223112230 U CN202223112230 U CN 202223112230U CN 218691089 U CN218691089 U CN 218691089U
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- Prior art keywords
- partition plate
- glue
- movable partition
- valve cavity
- plate
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- 230000000903 blocking effect Effects 0.000 title claims abstract description 18
- 238000005192 partition Methods 0.000 claims abstract description 69
- 239000003292 glue Substances 0.000 claims abstract description 51
- 238000007789 sealing Methods 0.000 claims description 33
- 238000004026 adhesive bonding Methods 0.000 claims description 2
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 239000000084 colloidal system Substances 0.000 abstract description 15
- 238000002347 injection Methods 0.000 abstract description 4
- 239000007924 injection Substances 0.000 abstract description 4
- 238000003825 pressing Methods 0.000 abstract description 4
- 230000000694 effects Effects 0.000 abstract description 2
- 238000001125 extrusion Methods 0.000 abstract description 2
- 230000014759 maintenance of location Effects 0.000 abstract description 2
- 239000002699 waste material Substances 0.000 description 3
- 238000002955 isolation Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 239000004973 liquid crystal related substance Substances 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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- Coating Apparatus (AREA)
Abstract
According to the blocking type wide-opening dispensing valve, the plunger assembly and the pressing plate assembly are driven to work in a reciprocating mode through reciprocating air inlet and air suction of the air source, the pressing plate assembly provides downward pressure for the movable partition plate, and the movable partition plate and the fixed partition plate form a reciprocating blocking and isolating effect in a valve cavity in cooperation with supporting force of the rebounding assembly; the plunger assembly is used for synchronously realizing the back suction and the extrusion of the colloid in the valve cavity in the reciprocating partition of the valve cavity, so that the normal outflow of the colloid is ensured, the retention state of the colloid in the valve cavity when the glue injection is stopped is also ensured, the phenomenon of overlarge glue amount when the next glue outlet is caused by the downward flow of the colloid when the movable partition plate moves upwards is avoided, and the stability of the glue injection is ensured. The stability of the movable partition plate in motion is enhanced by the aid of the sliding block, and the phenomenon that glue is large and small due to inconsistent glue flow rate when air is injected into the valve body is avoided by the aid of the first piston and the second piston. The glue outlet is suitable for a larger length-width ratio, the glue thickness is easy to control, and the glue outlet has strong practicability and wide applicability.
Description
Technical Field
The invention relates to a dispensing valve, in particular to a blocking type wide-opening dispensing valve with an isolation function, and belongs to the technical field of dispensing valves.
Background
The automatic glue dispenser is professional equipment for replacing manual glue dispensing, and has wide influence in the industry.
In industrial production, dispensing is required in many fields, such as integrated circuits, semiconductor packages, printed circuit boards, color liquid crystal panels, electronic components (e.g., relays, speakers), electronic components, automobile components, etc., and dispensing valves are commonly used in automatic dispensing machines.
The glue dispensing valve is when using, the phenomenon that the colloid was omitted can appear usually, and the colloid can flow into the cavity from the end of glue dispensing valve promptly, and then leads to the phenomenon of colloid backward flow, not only causes the waste of colloid to can influence the normal use of glue dispensing valve, seem very inconvenient.
Disclosure of Invention
In order to overcome the defects in the prior art, the invention aims to provide a blocking type wide-mouth dispensing valve with an isolation function.
In order to achieve the above object, the present invention adopts the following technical solutions:
a blocking type wide-mouth dispensing valve comprises a valve body with a glue blocking structure arranged in a valve cavity, wherein the top of the valve body is provided with a glue inlet, and the bottom of the valve body is provided with a glue outlet;
the glue blocking structure comprises a fixed partition plate and a movable partition plate which are arranged along the horizontal section of the valve cavity, one end of the fixed partition plate is fixedly connected with the inner side wall of one side of the valve cavity, and one end of the movable partition plate is connected with the inner side wall of the other side of the valve cavity through a rebound assembly; through the rebound assembly, the other end of the movable partition plate is in lap joint with the other end of the fixed partition plate so as to open and close the valve cavity;
the top of the internal gluing structure in the valve cavity is provided with a plunger assembly, the plunger assembly comprises a column tube internally provided with a first piston, a bottom opening of the column tube is open, the top of the column tube is provided with an air inlet penetrating out of the valve cavity, and the air inlet is used for being externally connected with an air source.
The rebound assembly comprises a first spring, a matched slide rail and a matched slide block;
the sliding block is fixedly connected to one end of the movable partition plate, and the sliding rail is longitudinally arranged on the inner side wall of the valve cavity; the bottom end of the first spring is fixed, and the top end of the first spring is fixedly connected with the bottom surface of the movable partition plate.
Further, the first spring is arranged in the spring groove.
The movable partition plate is provided with a pressure plate assembly;
the pressure plate assembly comprises a needle groove, and a needle plate is transversely arranged at the bottom of the needle groove; the bottom end of the ejector pin is abutted against the top surface of the movable partition plate through the needle plate, and the top end of the ejector pin is fixedly connected with a second piston arranged in the needle groove;
a second spring sleeved with the thimble is arranged between the needle plate and the second piston; the top of the needle groove is open and is externally connected with an air source.
Furthermore, the top of the needle groove is communicated with the top of the column tube.
Furthermore, the needle groove is arranged between the column tube and the inner side wall of the valve cavity.
Furthermore, sealing plates are arranged outside the needle groove and the rebound assembly, and comprise an upper sealing plate vertically arranged on the top surface of the movable partition plate and a lower sealing plate vertically arranged on the bottom surface of the movable partition plate;
an upper sealing groove matched with the upper sealing plate is arranged between the needle groove and the column tube, and a lower sealing groove matched with the lower sealing plate is arranged outside a spring groove of the first spring of the rebound assembly.
Limiting points of a first piston are arranged in the column tube, and comprise an upper limiting point and a lower limiting point;
the top surface of the first piston is provided with a sealing ring.
The bottom opening of the column tube is opposite to the movable clapboard.
The invention has the advantages that:
according to the blocking type wide-opening dispensing valve, the plunger assembly and the pressing plate assembly are driven to work in a reciprocating mode through reciprocating air inlet and air suction of the air source, the pressing plate assembly provides downward pressure for the movable partition plate, and the movable partition plate and the fixed partition plate form a reciprocating blocking and isolating effect in a valve cavity in cooperation with supporting force of the rebounding assembly; the plunger assembly is used for synchronously realizing the back suction and the extrusion of the colloid in the valve cavity in the reciprocating partition of the valve cavity, so that the normal outflow of the colloid is ensured, the retention state of the colloid in the valve cavity when the glue injection is stopped is also ensured, the phenomenon of overlarge glue amount when the next glue outlet is caused by the downward flow of the colloid when the movable partition plate moves upwards is avoided, and the stability of the glue injection is ensured. The stability of the movable partition plate in motion is enhanced by the aid of the sliding block, and the phenomenon that glue is large and small due to inconsistent glue flow rate when air is injected into the valve body is avoided by the aid of the first piston and the second piston.
According to the blocking type wide-opening dispensing valve, the situation that glue in the traditional dispensing valve easily overflows or is left outside a valve cavity is avoided, waste of the glue is avoided, glue can be discharged more efficiently, and the blocking type wide-opening dispensing valve is particularly suitable for glue drawing design and process flow with large chip size; the glue outlet is matched with the plunger assembly, so that the glue outlet can be suitable for a larger length-width ratio, the glue thickness can be easily controlled, and the glue outlet has strong practicability and wide applicability.
Drawings
Fig. 1 is a schematic structural view of a blocking type wide-mouth dispensing valve of the present invention.
FIG. 2 is a schematic structural diagram of a state that a movable partition plate and a fixed partition plate are overlapped to close a valve cavity.
Fig. 3 is a schematic structural view of a slide block and a slide rail at the end of a movable partition plate.
The designations in the drawings have the following meanings: 1. the valve comprises a valve body, 2, a movable partition plate, 3, a fixed partition plate, 4, a column tube, 5, a first piston, 6, an upper limit point, 7, a sealing ring, 8, an ejector pin, 9, a needle plate, 10, a second piston, 11, a first spring, 12, a lower sealing plate, 13, an upper sealing plate, 14, an upper sealing groove, 15, a spring groove, 16, a needle groove, 17, a sliding rail, 18 and a sliding block.
Detailed Description
The invention is described in detail below with reference to the figures and the embodiments.
The utility model provides a block wide mouthful dispensing valve, is by locating hinder gluey structure, plunger subassembly, resilience subassembly and the pressure plate subassembly of blocking in the valve body 1 and constitute.
The top of the valve body 1 is provided with a glue inlet, and the bottom is provided with a glue outlet.
Hinder the glued structure and comprise fixed partition 3 and removal baffle 2, fixed partition 3 and removal baffle 2 are in the valve pocket, set up along the horizontal cross-section of valve pocket respectively, wherein the inside wall fixed connection of fixed partition 3 and valve pocket, it is connected with the inside wall of valve pocket through the resilience subassembly to remove baffle 2, preferably, the bottom of fixed partition 3 is located to removal baffle 2, when removing baffle 2 in the bottom of fixed partition 3, and when 3 laps with fixed partition, remove baffle 2 and fixed partition 3 and block the valve pocket with the confined mode in coordination.
The rebounding assembly consists of a first spring 11, a sliding rail 17 and a sliding block 18. The slide block 18 is fixedly connected with one end of the movable clapboard 2, a slide rail 17 matched with the slide block 18 is arranged on the inner side wall of the valve cavity, and the slide rail 17 is arranged along the longitudinal direction. The first spring 11 is arranged in the spring groove 15, the spring groove 15 is arranged at the bottom of the movable partition board 2 and attached to the inner side wall of the valve cavity, the bottom end of the first spring 11 is fixedly connected with the bottom of the spring groove 15, and the top end of the first spring 11 is fixedly connected with the bottom surface of the movable partition board 2.
The pressure plate component consists of a thimble 8, a thimble groove 16 and a second piston 10. The needle groove 16 is arranged on the top of the movable partition plate 2 and attached to the inner side wall of the valve cavity, the bottom of the needle groove 16 is closed by the needle plate 9, and the top of the needle groove is open and connected with an air source. The top end of the thimble 8 is fixedly connected with a second piston 10 arranged in a needle groove 16 through a needle plate 9, and the bottom end of the thimble 8 is abutted against the top surface of the movable partition plate 2. The needle groove 16 is provided with a second spring having a loop needle 8, and both ends of the second spring are respectively abutted against the needle plate 9 and the second piston 10.
And sealing plates are arranged outside the needle groove 16 and the rebound assembly, and comprise an upper sealing plate 13 vertically arranged on the top surface of the movable partition plate 2 and a lower sealing plate 12 vertically arranged on the bottom surface of the movable partition plate 2. The sealing plate slot matched with the sealing plate comprises an upper sealing slot 14 matched with the upper sealing plate 13 and arranged outside the needle slot 16, and a lower sealing slot matched with the lower sealing plate 12 and arranged outside the spring slot 15.
The plunger assembly consists of a barrel 4 and a first piston 5. The pillar 4 pastes the outer wall setting of seal groove 14 in the top of removing baffle 2, and first piston 5 is located in pillar 4, moves along pillar 4, is equipped with upper limit point 6 and the lower limit point that first piston 5 removed in the pillar 4, and the top surface of first piston 5 still is equipped with sealing washer 7. The top and the bottom of the column tube 4 are both open, and the open top of the column tube 4 is communicated with the open top of the needle groove 16 to be externally connected with an air source.
When in use:
the glue is injected through the glue inlet to ensure that the air in the valve body 1 is emptied, and when glue dispensing is needed, air is supplied by an air source. The first piston 5 and the second piston 10 are simultaneously given pneumatic pressure.
The second piston 10 pushes the thimble 8 to press the movable partition board 2 to move downwards along the slide rail 17, so that the lap joint of the movable partition board 2 and the fixed partition board 3 is separated, the valve body 1 is in a circulation state, and the glue inlet continuously flows into the glue to enable the valve body 1 to perform glue dispensing operation. Meanwhile, both the first spring 11 and the second spring are in a compressed state.
Stopping injecting the colloid after the dispensing is finished, and sucking back the air source; the first spring 11 in a compressed state releases the elastic force, so that the movable partition plate 2 moves upwards to be connected with the fixed partition plate 3, and the valve body 1 is in a closed state to block the circulation of the colloid; meanwhile, the second spring in a compressed state releases the elastic force, so that the second piston 10 is linked with the thimble 8 to move upwards to make room for the moving partition plate 2 moving upwards; meanwhile, the first piston 5 is moved upwards in the column tube 4 by the back-suction air source, so that negative pressure is generated to suck the redundant colloid in the valve cavity into the column tube 4 at the bottom of the first piston 5.
And sequentially reciprocating to perform dispensing.
The first piston 5 sucks redundant glue when moving upwards, so that glue omission in the glue dispensing process is avoided, waste of the glue is avoided, and the phenomenon that the glue amount is too large when next glue is discharged due to downward flow of the glue caused by upward movement of the movable partition plate 2 is avoided.
In practical use, preferably, the movable partition plate 2 is arranged at the bottom of the fixed partition plate 3, and the end part of the movable partition plate is in staggered lap joint with the movable partition plate 2 to close the valve cavity. Or when the movable partition plate 2 and the fixed partition plate 3 are in the same horizontal plane in the state of a closed valve cavity, the valve cavity is closed by the mutually abutted end parts, and the displacement limit of the upward movement of the movable partition plate 2 is limited by the plate top of the upper sealing plate 13 and the groove top of the upper sealing groove 14.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It should be understood by those skilled in the art that the above embodiments do not limit the present invention in any way, and all technical solutions obtained by using equivalent alternatives or equivalent variations fall within the scope of the present invention.
Claims (9)
1. A blocking type wide-mouth dispensing valve is characterized by comprising a valve body with a glue blocking structure arranged in a valve cavity, wherein the top of the valve body is provided with a glue inlet, and the bottom of the valve body is provided with a glue outlet;
the glue blocking structure comprises a fixed partition plate and a movable partition plate which are arranged along the horizontal section of the valve cavity, one end of the fixed partition plate is fixedly connected with the inner side wall of one side of the valve cavity, and one end of the movable partition plate is connected with the inner side wall of the other side of the valve cavity through a rebound assembly; through the rebound assembly, the other end of the movable partition plate is in lap joint with the other end of the fixed partition plate so as to open and close the valve cavity;
the top of the internal gluing structure in the valve cavity is provided with a plunger assembly, the plunger assembly comprises a column tube internally provided with a first piston, a bottom opening of the column tube is open, the top of the column tube is provided with an air inlet penetrating out of the valve cavity, and the air inlet is used for being externally connected with an air source.
2. The block-type wide-mouth dispensing valve according to claim 1, wherein the rebound assembly comprises a first spring and a matched slide rail and a slide block;
the sliding block is fixedly connected to one end of the movable partition plate, and the sliding rail is longitudinally arranged on the inner side wall of the valve cavity;
the bottom end of the first spring is fixed, and the top end of the first spring is fixedly connected with the bottom surface of the movable partition plate.
3. The block type wide-mouth dispensing valve according to claim 2, wherein the first spring is placed in a spring groove.
4. The block type wide-mouth dispensing valve according to claim 1, wherein the movable partition is provided with a pressure plate assembly;
the pressure plate assembly comprises a needle groove, and a needle plate is transversely arranged at the bottom of the needle groove; the bottom end of the ejector pin is abutted against the top surface of the movable partition plate through the needle plate, and the top end of the ejector pin is fixedly connected with a second piston arranged in the needle groove;
a second spring sleeved with the thimble is arranged between the needle plate and the second piston; the top of the needle groove is open and is externally connected with an air source.
5. The block type wide-mouth dispensing valve according to claim 4, wherein the top of the needle groove is communicated with the top of the column tube.
6. The block type wide-mouth dispensing valve according to claim 4, wherein the needle groove is arranged between the column tube and the inner side wall of the valve cavity.
7. The block type wide-mouth dispensing valve according to claim 4, wherein the needle groove and the rebound assembly are externally provided with sealing plates, and the sealing plates comprise an upper sealing plate vertically arranged on the top surface of the movable partition plate and a lower sealing plate vertically arranged on the bottom surface of the movable partition plate;
an upper sealing groove matched with the upper sealing plate is arranged between the needle groove and the column tube, and a lower sealing groove matched with the lower sealing plate is arranged outside a spring groove of the first spring of the rebound assembly.
8. The block type wide-mouth dispensing valve according to claim 1, wherein the column tube is provided with limit points of the first piston, including an upper limit point and a lower limit point;
the top surface of the first piston is provided with a sealing ring.
9. A block-type wide-mouth dispensing valve according to claim 1, wherein the bottom mouth of the column tube faces the movable partition.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223112230.6U CN218691089U (en) | 2022-11-23 | 2022-11-23 | Blocking type wide-opening dispensing valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223112230.6U CN218691089U (en) | 2022-11-23 | 2022-11-23 | Blocking type wide-opening dispensing valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218691089U true CN218691089U (en) | 2023-03-24 |
Family
ID=85623802
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223112230.6U Active CN218691089U (en) | 2022-11-23 | 2022-11-23 | Blocking type wide-opening dispensing valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218691089U (en) |
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2022
- 2022-11-23 CN CN202223112230.6U patent/CN218691089U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 210000 No. 8, Linchun Road, Pukou Economic Development Zone, Pukou District, Nanjing, Jiangsu Province Patentee after: Jiangsu Xinde Semiconductor Technology Co.,Ltd. Country or region after: China Address before: 210000 No. 8, Linchun Road, Pukou Economic Development Zone, Pukou District, Nanjing, Jiangsu Province Patentee before: Jiangsu Xinde Semiconductor Technology Co.,Ltd. Country or region before: China |