CN220879455U - Pneumatic switch valve for photovoltaic glue - Google Patents
Pneumatic switch valve for photovoltaic glue Download PDFInfo
- Publication number
- CN220879455U CN220879455U CN202322397393.1U CN202322397393U CN220879455U CN 220879455 U CN220879455 U CN 220879455U CN 202322397393 U CN202322397393 U CN 202322397393U CN 220879455 U CN220879455 U CN 220879455U
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- Prior art keywords
- glue
- air inlet
- flow channel
- air
- block
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- 239000003292 glue Substances 0.000 title claims abstract description 217
- 238000007789 sealing Methods 0.000 claims abstract description 44
- 239000000853 adhesive Substances 0.000 abstract description 3
- 230000001070 adhesive effect Effects 0.000 abstract description 3
- 239000007788 liquid Substances 0.000 description 10
- 238000007599 discharging Methods 0.000 description 5
- JUPQTSLXMOCDHR-UHFFFAOYSA-N benzene-1,4-diol;bis(4-fluorophenyl)methanone Chemical group OC1=CC=C(O)C=C1.C1=CC(F)=CC=C1C(=O)C1=CC=C(F)C=C1 JUPQTSLXMOCDHR-UHFFFAOYSA-N 0.000 description 3
- 238000010248 power generation Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000004026 adhesive bonding Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
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- Coating Apparatus (AREA)
Abstract
The utility model discloses a pneumatic switch valve of photovoltaic adhesive, which comprises: the cylinder body, with cylinder body lower extreme sealing connection advance the glue piece, connect in the play glue piece of advancing the glue piece lower extreme, an air inlet groove has been seted up to the upper surface of cylinder body, and an end cover is installed to the upper end sealing of this air inlet groove, advance to glue the side surface of piece and seted up one advance the glue mouth, advance to glue the piece in seted up one with advance the glue runner that glue mouthful intercommunication, one set up the upper end of going out the glue runner on the play glue piece and advance the lower extreme intercommunication of glue runner, the upper end of a piston rod that can move in vertical direction is connected with the piston disc that sets up in the cavity, a pull rod is installed to the upper surface central authorities of piston disc. The utility model realizes the regulation and instantaneous stop of the glue outlet amount of the high-pressure high-viscosity glue solution in the glue supplying state, can avoid the problem of poor glue supplying precision caused by the eccentric of the piston rod, and can prevent the glue solution which is not output in the glue outlet pipe from overflowing through the back suction force.
Description
Technical Field
The utility model relates to the technical field of photovoltaic glue, in particular to a pneumatic switching valve of the photovoltaic glue for glue spraying in a photovoltaic processing production line.
Background
The clean energy sources comprise wind power generation, solar power generation and the like, the photovoltaic module for solar power generation is required to be provided with a frame around, and glue solution is required to be filled for sealing when the frame is arranged. When large-size parts such as photovoltaic modules are subjected to gluing operation, a large amount of glue is needed, the viscosity of the glue is high, and the glue supply pressure is high. When the current frame is glued and used for outputting large flow of glue, the flow cannot be adjusted to meet different glue supply requirements, the glue cannot be rapidly cut off, the glue supply precision is easily affected, and glue which is not completely output in a glue outlet pipe is easily overflowed.
Disclosure of utility model
The utility model aims to solve the technical problem of providing a pneumatic switch valve for photovoltaic glue, which can regulate the glue outlet amount of high-pressure high-viscosity glue liquid in a glue supply state and instantly cut off the glue outlet amount, can avoid the problem of poor glue supply precision caused by eccentric piston rod, and can also prevent glue liquid which is not output in a glue outlet pipe from overflowing by back suction force.
In order to solve the technical problems, the utility model adopts the following technical scheme: a pneumatic switching valve for photovoltaic glue comprising: the air cylinder comprises an air cylinder body, a glue inlet block, a glue outlet pipe, an air inlet groove, an end cover, a cavity, a glue inlet opening, a glue inlet runner and a glue outlet pipe, wherein the glue inlet block is in sealing connection with the lower end of the air cylinder body;
The upper end of a piston rod capable of moving in the vertical direction is connected with a piston disc arranged in the cavity, the lower end of the piston rod extends into a glue inlet flow passage of the glue inlet block in the vertical direction and is connected with a back suction rod, the lower end of the back suction rod capable of moving up and down along with the piston rod extends into a glue outlet flow passage of the glue outlet block and is provided with an outer flange extending outwards in the radial direction, the inner wall of the upper end of the glue outlet flow passage is provided with an inner flange extending inwards in the radial direction, the outer surface of the outer flange is in sliding contact with the outer surface of the inner flange, the lower end of the glue inlet flow passage is provided with a sealing ring, the inner diameter of the sealing ring is smaller than the outer diameter of the outer flange, and the outer diameter of the piston disc is far larger than the inner diameter of the glue outlet flow passage;
The upper surface center of piston disc installs a pull rod, the upper end of pull rod passes the end cover and installs an adjusting cap that can reciprocate, the pull rod outside is located between adjusting cap and the end cover and is provided with a stop ring, when the pull rod moves to the lower extreme of stroke along with the piston disc, the up end of stop ring supports the pressure contact with the lower terminal surface of adjusting cap.
The further improved scheme in the technical scheme is as follows:
1. In the scheme, the adjusting cap is connected with the pull rod through threads.
2. In the scheme, a sealing ring is arranged between the outer side surface of the end cover and the inner wall of the air inlet groove.
3. In the scheme, a sealing ring is arranged between the pull rod and the end cover.
4. In the scheme, an air port is respectively formed in the side wall of the cylinder body and located above and below the piston disc.
Due to the application of the technical scheme, compared with the prior art, the utility model has the following advantages:
The lower end of a piston rod of the pneumatic switch valve extends into a glue inlet flow passage of a glue inlet block along the vertical direction and is connected with a back suction rod, the lower end of the back suction rod which can move up and down along with the piston rod extends into a glue outlet flow passage of a glue outlet block and is provided with an outer flange which extends outwards along the radial direction, the inner wall of the upper end of the glue outlet flow passage is provided with an inner flange which extends inwards along the radial direction, the outer surface of the outer flange is in sliding contact with the outer surface of the inner flange, the lower end of the glue inlet flow passage is provided with a sealing ring, the inner diameter of the sealing ring is smaller than the outer diameter of the outer flange, the outer diameter of a piston disc is far larger than the inner diameter of the glue outlet flow passage, not only can realize large-flow output of high-pressure high-viscosity glue liquid, but also can instantly stop the glue liquid which is output outwards, and upwards back suction force is applied to the glue liquid in the glue outlet pipe so as to prevent glue liquid which is not output in the glue outlet pipe from overflowing outwards, thereby ensuring the precision of glue supply outwards; and when the pull rod moves to the lowest end of the stroke along with the piston disc, the upper end face of the stop ring is in abutting contact with the lower end face of the adjusting cap, the downward stroke of the piston rod is adjusted by adjusting the position of the adjusting cap in the vertical direction, and then the size of an opening gap between the upper outer flange of the suck-back rod and the sealing ring is changed under the glue supplying state, so that the glue discharging amount is adjusted, the reciprocating piston rod can be limited, and the problem of poor glue supplying precision caused by the eccentricity of the piston rod is avoided.
Drawings
FIG. 1 is a schematic diagram of the overall structure of a pneumatic switching valve for photovoltaic adhesive of the present utility model;
FIG. 2 is a schematic cross-sectional view taken along line A-A of FIG. 1 in accordance with the present utility model;
FIG. 3 is an enlarged schematic view of the utility model at B in FIG. 2;
FIG. 4 is a schematic diagram of the cut-off state of the pneumatic switching valve of the photovoltaic adhesive of the present utility model;
Fig. 5 is an enlarged schematic view of the utility model at C in fig. 4.
In the above figures: 1. a cavity; 2. a cylinder block; 3. feeding a glue block; 31. a glue inlet; 32. a glue inlet flow passage; 4. discharging a glue block; 41. a glue outlet flow passage; 42. an inner flange; 5. a rubber outlet pipe; 61. a piston rod; 62. a piston disc; 7. a suck-back rod; 71. an outer flange; 72. a conical surface; 8. a seal ring; 81. chamfering the surface; 9. a PEEK ring; 10. a nut; 11. a bolt; 12. an end cap; 13. a pull rod; 14. an adjustment cap; 15. a stop ring.
Detailed Description
The present patent will be further understood by the specific examples given below, which are not intended to be limiting.
Example 1: a pneumatic switching valve for a supply of glue mechanism of a photovoltaic glue production line, comprising: the air cylinder body 2, a glue inlet block 3 which is connected with the lower end of the air cylinder body 2 in a sealing way, a glue outlet block 4 which is connected with the lower end of the glue inlet block 3, and a glue outlet pipe 5 which is arranged at the lower end of the glue outlet block 4 are arranged on the upper surface of the air cylinder body 2, an air inlet groove is formed in the upper end of the air inlet groove, an end cover 12 is arranged at the upper end of the air inlet groove in a sealing way, so that a cavity 1 is formed between the end cover 12 and the air cylinder body 2, a glue inlet 31 is formed in the side surface of the glue inlet block 3, a glue inlet channel 32 which is communicated with the glue inlet 31 is formed in the glue inlet block 3, the upper end of a glue outlet channel 41 which is arranged on the glue outlet block 4 is communicated with the lower end of the glue inlet channel 32, and the lower end of the glue outlet channel 41 is communicated with the upper end of the glue outlet pipe 5;
An upper end of a piston rod 61 which can move in a vertical direction is connected with a piston disc 62 arranged in the cavity 1, a lower end of the piston rod 61 extends into a glue inlet flow channel 32 of the glue inlet block 3 in the vertical direction and is connected with a back suction rod 7, a lower end of the back suction rod 7 which can move up and down along with the piston rod 61 extends into a glue outlet flow channel 41 of the glue outlet block 4 and is provided with an outer flange 71 which extends outwards in a radial direction, an inner flange 42 which extends inwards in a radial direction is arranged on an inner wall of the upper end of the glue outlet flow channel 41, an outer surface of the outer flange 71 is in sliding contact with an outer surface of the inner flange 42, a sealing ring 8 is arranged at the lower end of the glue inlet flow channel 32, an inner diameter of the sealing ring 8 is smaller than an outer diameter of the outer flange 71, and an outer diameter of the piston disc 62 is far larger than an inner diameter of the glue outlet flow channel 41;
By increasing the ratio between the outer diameter of the piston disc and the inner diameter of the glue outlet flow channel, the high-pressure (30 Mpa) glue solution entering from the glue inlet can not downwards wash the outer flange on the return suction rod to cause the sealing between the outer flange and the sealing ring to be invalid, so that the high-flow high-pressure high-viscosity glue solution can be conveyed and cut off;
When glue is required to be supplied, the return suction rod is driven to move downwards through the piston rod, a gap is formed between the return suction rod and the sealing ring so as to be communicated with the glue inlet flow channel and the glue outlet flow channel, and glue solution entering from the glue inlet sequentially passes through the glue inlet flow channel and the glue outlet flow channel and is then output outwards through the glue outlet pipe;
A pull rod 13 is arranged in the center of the upper surface of the piston disc 62, the upper end of the pull rod 13 passes through the end cover 12 and is provided with an adjusting cap 14 capable of moving up and down, a stop ring 15 is arranged outside the pull rod 13 and between the adjusting cap 14 and the end cover 12, and when the pull rod 13 moves to the lowest end of the stroke along with the piston disc 62, the upper end surface of the stop ring 15 is in abutting contact with the lower end surface of the adjusting cap 14;
the size of the gap formed between the upper outer flange of the back suction rod and the sealing ring determines the glue outlet flow, and the gap between the adjusting cap and the stop ring is adjusted in the cut-off state by screwing the adjusting cap downwards or screwing the adjusting cap upwards, so that the adjustment of the downward moving stroke of the piston rod can be realized, and the adjustment of the gap between the upper outer flange of the back suction rod and the sealing ring is realized in the glue supply state, thereby realizing the adjustment of the glue outlet amount, the stop ring is in movable contact with the adjusting pull rod, the piston rod capable of moving back and forth can be limited, and the problem of poor glue supply precision caused by the eccentricity of the piston rod is avoided.
The adjusting cap 14 is connected with the pull rod 13 through threads.
A sealing ring is provided between the outer surface of the end cap 12 and the inner wall of the air inlet groove.
A sealing ring is arranged between the pull rod 13 and the end cover 12.
An air port is provided on the side wall of the cylinder body 2 and above and below the piston plate 62.
The ratio between the inner diameter of the glue outlet flow passage 41 and the outer diameter of the piston disc 62 is 1:4.
Example 2: a pneumatic switching valve comprising: the air cylinder body 2, a glue inlet block 3 which is connected with the lower end of the air cylinder body 2 in a sealing way, a glue outlet block 4 which is connected with the lower end of the glue inlet block 3, and a glue outlet pipe 5 which is arranged at the lower end of the glue outlet block 4 are arranged on the upper surface of the air cylinder body 2, an air inlet groove is formed in the upper end of the air inlet groove, an end cover 12 is arranged at the upper end of the air inlet groove in a sealing way, so that a cavity 1 is formed between the end cover 12 and the air cylinder body 2, a glue inlet 31 is formed in the side surface of the glue inlet block 3, a glue inlet channel 32 which is communicated with the glue inlet 31 is formed in the glue inlet block 3, the upper end of a glue outlet channel 41 which is arranged on the glue outlet block 4 is communicated with the lower end of the glue inlet channel 32, and the lower end of the glue outlet channel 41 is communicated with the upper end of the glue outlet pipe 5;
An upper end of a piston rod 61 which can move in a vertical direction is connected with a piston disc 62 arranged in the cavity 1, a lower end of the piston rod 61 extends into a glue inlet flow channel 32 of the glue inlet block 3 in the vertical direction and is connected with a back suction rod 7, a lower end of the back suction rod 7 which can move up and down along with the piston rod 61 extends into a glue outlet flow channel 41 of the glue outlet block 4 and is provided with an outer flange 71 which extends outwards in a radial direction, an inner flange 42 which extends inwards in a radial direction is arranged on an inner wall of the upper end of the glue outlet flow channel 41, an outer surface of the outer flange 71 is in sliding contact with an outer surface of the inner flange 42, a sealing ring 8 is arranged at the lower end of the glue inlet flow channel 32, an inner diameter of the sealing ring 8 is smaller than an outer diameter of the outer flange 71, and an outer diameter of the piston disc 62 is far larger than an inner diameter of the glue outlet flow channel 41;
when the glue supply is needed to be stopped, the back suction rod is driven to move upwards through the piston rod, so that the outer flange is tightly contacted with the sealing ring, a passage between the glue inlet runner and the glue outlet runner is cut off, glue solution in the glue inlet runner does not enter the glue outlet runner any more, and meanwhile, upward back suction force is generated on the glue outlet runner and the glue outlet pipe through instantaneous upward movement of the flange part, so that the glue solution in the glue outlet runner is prevented from continuously flowing outwards, the glue solution is instantaneously stopped without leaking, and the subsequent glue dispensing quality is ensured;
when the glue feeding device is in a cut-off state, the suction rod is at the uppermost end of the stroke under the drive of the piston rod, at the moment, the outer flange on the suction rod is tightly contacted with the sealing ring, and a passage between the glue feeding flow channel and the glue discharging flow channel is cut off to realize the cut-off of glue solution;
the center of the upper surface of the piston disc 62 is provided with a pull rod 13, the upper end of the pull rod 13 passes through the end cover 12 and is provided with an adjusting cap 14 capable of moving up and down, a stop ring 15 is arranged outside the pull rod 13 and between the adjusting cap 14 and the end cover 12, and when the pull rod 13 moves to the lowest end of the stroke along with the piston disc 62, the upper end surface of the stop ring 15 is in abutting contact with the lower end surface of the adjusting cap 14.
The adjusting cap 14 is connected with the pull rod 13 through threads.
An air port is provided on the side wall of the cylinder body 2 and above and below the piston plate 62.
The ratio between the inner diameter of the glue outlet flow passage 41 and the outer diameter of the piston disc 62 is 1:8.
The upper surface of the upper outer flange 71 of the suck-back rod 7 is provided with a conical surface 72, the conical surface 72 is inclined downwards in a radial outward direction, the inner ring at the lower end of the sealing ring 8 is provided with a chamfer surface 81, and when the suck-back rod 7 is positioned at the uppermost end of the stroke, the conical surface 72 on the outer flange 71 is closely attached to the chamfer surface 81 on the sealing ring 8.
A PEEK ring 9 is disposed in the glue outlet channel 41 between the inner flange 42 and the seal ring 8, and an inner wall of the PEEK ring 9 is in sliding contact with an outer surface of the outer flange 71.
The upper end of the rubber outlet pipe 5 is fixedly connected with the lower end of the rubber outlet block 4 through a nut 10.
The glue outlet block 4 is a T-shaped glue outlet block.
The glue outlet block 4 is fixedly connected with the glue inlet block 3 through at least 2 bolts 11.
The working principle of the utility model is as follows:
When the glue feeding channel is in a cut-off state, the suction rod is at the uppermost end of the stroke under the drive of the piston rod, at the moment, the outer flange on the suction rod is tightly contacted with the sealing ring, and a passage between the glue feeding channel and the glue discharging channel is cut off to realize the cut-off of glue solution;
by increasing the ratio between the outer diameter of the piston disc and the inner diameter of the glue outlet flow channel, the high-pressure (30 Mpa) glue solution entering from the glue inlet can not downwards wash the outer flange on the return suction rod to cause the sealing between the outer flange and the sealing ring to be invalid, so that the high-flow high-pressure high-viscosity glue solution can be conveyed and cut off;
When glue is required to be supplied, the return suction rod is driven to move downwards through the piston rod, a gap is formed between the return suction rod and the sealing ring so as to be communicated with the glue inlet flow channel and the glue outlet flow channel, and glue solution entering from the glue inlet sequentially passes through the glue inlet flow channel and the glue outlet flow channel and is then output outwards through the glue outlet pipe;
The size of a gap formed between the upper outer flange of the back suction rod and the sealing ring determines the glue outlet flow, and the distance between the adjusting cap and the stop ring in the cut-off state is adjusted by screwing the adjusting cap downwards or screwing the adjusting cap upwards, so that the downward moving stroke of the piston rod can be adjusted, and further the gap between the upper outer flange of the back suction rod and the sealing ring can be adjusted in a glue supply state, thereby adjusting the glue outlet amount, the stop ring is in movable contact with the adjusting pull rod, the piston rod which moves in a reciprocating manner can be limited, and the problem of poor glue supply precision caused by the eccentricity of the piston rod is avoided;
When the glue supply is needed to be stopped, the return suction rod is driven to move upwards through the piston rod, so that the outer flange is in close contact with the sealing ring, a passage between the glue inlet flow passage and the glue outlet flow passage is cut off, glue liquid in the glue inlet flow passage does not enter the glue outlet flow passage any more, and simultaneously, upward return suction force is generated on the glue outlet flow passage and the glue outlet pipe through instantaneous upward movement of the flange part, so that the glue liquid in the glue liquid is prevented from continuously flowing outwards, the glue liquid is instantaneously stopped without glue leakage, and the subsequent glue dispensing quality is ensured.
By adopting the pneumatic switch valve for the photovoltaic glue, the high-flow output of the high-pressure high-viscosity glue solution can be realized, the glue which is output outwards can be stopped instantaneously, and the upward back suction force is applied to the glue in the glue outlet pipe so as to prevent the glue which is not output in the glue outlet pipe from overflowing, so that the accuracy of glue supply outwards is ensured; in addition, the adjusting cap is adjusted to adjust the downward moving stroke of the piston rod through adjusting the position of the adjusting cap in the vertical direction, so that the size of an opening gap between the outer flange and the sealing ring on the upper outer flange of the back suction rod is changed under the glue supplying state, the glue discharging amount is adjusted, the piston rod which moves in a reciprocating mode can be limited, and the problem that glue supplying precision is poor due to the eccentricity of the piston rod is avoided.
The above embodiments are provided to illustrate the technical concept and features of the present utility model and are intended to enable those skilled in the art to understand the content of the present utility model and implement the same, and are not intended to limit the scope of the present utility model. All equivalent changes or modifications made in accordance with the spirit of the present utility model should be construed to be included in the scope of the present utility model.
Claims (5)
1. A pneumatic switch valve of photovoltaic glues, its characterized in that: comprising the following steps: the air cylinder comprises an air cylinder body (2), an air inlet block (3) which is connected with the lower end of the air cylinder body (2) in a sealing way, an air outlet block (4) which is connected with the lower end of the air inlet block (3) and an air outlet pipe (5) which is arranged at the lower end of the air outlet block (4), wherein an air inlet groove is formed in the upper surface of the air cylinder body (2), an end cover (12) is arranged at the upper end of the air inlet groove in a sealing way, so that a cavity (1) is formed between the end cover (12) and the air cylinder body (2), an air inlet (31) is formed in the side surface of the air inlet block (3), an air inlet flow channel (32) which is communicated with the air inlet (31) is formed in the air inlet block (3), the upper end of an air outlet flow channel (41) which is formed in the air outlet block (4) is communicated with the lower end of the air inlet flow channel (32), and the lower end of the air outlet pipe (5) is communicated with the lower end of the air outlet pipe (41);
The upper end of a piston rod (61) capable of moving in the vertical direction is connected with a piston disc (62) arranged in the cavity (1), the lower end of the piston rod (61) extends into a glue inlet flow channel (32) of the glue inlet block (3) along the vertical direction and is connected with a back suction rod (7), the lower end of the back suction rod (7) capable of moving up and down along with the piston rod (61) extends into a glue outlet flow channel (41) of the glue outlet block (4) and is provided with an outer flange (71) extending outwards in the radial direction, the inner wall of the upper end of the glue outlet flow channel (41) is provided with an inner flange (42) extending inwards in the radial direction, the outer surface of the outer flange (71) is in sliding contact with the outer surface of the inner flange (42), a sealing ring (8) is arranged at the lower end of the glue inlet flow channel (32), and the inner diameter of the sealing ring (8) is smaller than the outer diameter of the outer flange (71), and the outer diameter of the piston disc (62) is far larger than the inner diameter of the glue outlet flow channel (41);
The upper surface center of piston disc (62) installs a pull rod (13), the upper end of pull rod (13) passes end cover (12) and installs an adjusting cap (14) that can reciprocate, the outside of pull rod (13) is located between adjusting cap (14) and end cover (12) and is provided with a stop ring (15), when pull rod (13) moves to the lower extreme of stroke along with piston disc (62), the up end of stop ring (15) supports pressure contact with the lower terminal surface of adjusting cap (14).
2. The pneumatic switching valve of photovoltaic glue of claim 1, wherein: the adjusting cap (14) is connected with the pull rod (13) through threads.
3. The pneumatic switching valve of photovoltaic glue of claim 1, wherein: a sealing ring is arranged between the outer side surface of the end cover (12) and the inner wall of the air inlet groove.
4. The pneumatic switching valve of photovoltaic glue of claim 1, wherein: a sealing ring is arranged between the pull rod (13) and the end cover (12).
5. The pneumatic switching valve of photovoltaic glue of claim 1, wherein: an air port is respectively arranged on the side wall of the cylinder body (2) and positioned above and below the piston disc (62).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322397393.1U CN220879455U (en) | 2023-09-05 | 2023-09-05 | Pneumatic switch valve for photovoltaic glue |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322397393.1U CN220879455U (en) | 2023-09-05 | 2023-09-05 | Pneumatic switch valve for photovoltaic glue |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220879455U true CN220879455U (en) | 2024-05-03 |
Family
ID=90869001
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322397393.1U Active CN220879455U (en) | 2023-09-05 | 2023-09-05 | Pneumatic switch valve for photovoltaic glue |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220879455U (en) |
-
2023
- 2023-09-05 CN CN202322397393.1U patent/CN220879455U/en active Active
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