CN220879456U - High-flow switch valve for high-viscosity glue solution - Google Patents
High-flow switch valve for high-viscosity glue solution Download PDFInfo
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- CN220879456U CN220879456U CN202322406740.2U CN202322406740U CN220879456U CN 220879456 U CN220879456 U CN 220879456U CN 202322406740 U CN202322406740 U CN 202322406740U CN 220879456 U CN220879456 U CN 220879456U
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- 239000003292 glue Substances 0.000 title claims abstract description 232
- 238000007789 sealing Methods 0.000 claims abstract description 44
- 238000003860 storage Methods 0.000 claims abstract description 18
- 238000001125 extrusion Methods 0.000 claims description 13
- 239000004519 grease Substances 0.000 claims description 8
- 238000005461 lubrication Methods 0.000 abstract description 4
- 239000007788 liquid Substances 0.000 description 7
- 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
- 238000007599 discharging Methods 0.000 description 3
- 230000007774 longterm Effects 0.000 description 3
- 238000005299 abrasion Methods 0.000 description 2
- 238000004026 adhesive bonding Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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Abstract
The utility model discloses a high-flow switch valve for high-viscosity glue solution, which comprises: the upper portion has the cylinder body of cavity, with cylinder body lower extreme sealing connection advance the glue piece, connect in advance the play glue piece of glue piece lower extreme, advance to offer one on the side surface of glue piece and advance the glue mouth, advance to offer one in the glue piece and advance the glue runner of glue mouth intercommunication, an offer the upper end and the glue runner intercommunication of going out the glue runner on going out the glue piece, a lower extreme that can move in vertical direction extends to advance the glue runner of glue piece along vertical direction in and is connected with a back suction bar, the outside cover of piston rod has a axle sleeve, an oil storage tank that extends along piston rod outside circumference has been offered to the below that is located the pan plug circle of installing its upper end in axle sleeve upper portion. The utility model not only improves the stability and the tightness of the connection between the structures, but also realizes the real-time lubrication of the piston rod, improves the movement smoothness and the service life, also realizes the large-flow output, instant stop and suck-back of the high-pressure high-viscosity glue solution, and ensures the accuracy of glue supply.
Description
Technical Field
The utility model relates to the technical field of photovoltaic glue, in particular to a high-flow switch valve for high-viscosity glue solution in a photovoltaic processing production line.
Background
The photovoltaic module is generally composed of a laminated piece, a junction box and a frame, when the frame and the laminated piece are assembled, glue solution with sealing function is required to be filled between the two parts to increase sealing performance, and when the glue solution is filled, a frame glue-applying machine is generally selected for glue application. 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 output of high-pressure high-viscosity glue solution is controlled to the frame gluing machine that uses at present, there is stability and leakproofness between the structure relatively poor and the piston rod long-term motion is worn and torn easily, reduces life's problem, and when stopping the high-flow output of high-pressure high-viscosity glue solution, appear stopping untimely, the glue solution that has not output in the play rubber tube phenomenon that overflows easily, influence the precision of supplying glue.
Disclosure of utility model
The utility model aims to solve the technical problem of providing the high-flow switching valve for the high-viscosity glue solution, which not only improves the stability and the sealing performance of connection between structures, but also realizes real-time lubrication of a piston rod, improves the movement smoothness and the service life, realizes high-flow output, instant stop and suck-back of the high-pressure high-viscosity glue solution, and ensures the accuracy of glue supply.
In order to solve the technical problems, the utility model adopts the following technical scheme: a high flow switching valve for high viscosity glue solution comprising: the upper part of the cylinder body is provided with a cavity, a glue inlet block which is connected with the lower end of the cylinder body in a sealing way, a glue outlet block which is connected with the lower end of the glue inlet block, and a glue outlet pipe which is arranged at the lower end of the glue outlet block, wherein a glue inlet is formed in the side surface of the glue inlet block, a glue inlet channel which is communicated with the glue inlet is formed in the glue inlet block, the upper end of the glue outlet channel which is formed in the glue outlet block is communicated with the lower end of the glue inlet channel, and the lower end of the glue outlet channel is communicated with the upper end of the glue outlet pipe;
The upper end of a piston rod capable of moving in the vertical direction is connected with a piston disc arranged in a cavity, the lower end of the piston rod extends into a glue inlet flow channel of a glue inlet block along the vertical direction and is connected with a back suction rod, the outer side of the piston rod is sleeved with a shaft sleeve, the upper end of the shaft sleeve is embedded into a cylinder body of a cylinder, the lower end of the shaft sleeve is embedded into the glue inlet block, the upper end and the lower end of the shaft sleeve are respectively embedded with a plug ring, the inner ring of the plug ring sleeved on the piston rod is in extrusion contact with the outer surface of the piston rod and is in sliding fit with the outer surface of the piston rod, an oil storage groove extending along the outer circumference of the piston rod is formed in the upper part of the shaft sleeve and below the plug ring arranged at the upper end of the shaft sleeve, and grease is filled in the oil storage groove;
The lower end of the back suction rod which can move up and down along with the piston rod extends into the glue outlet flow passage of the 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, and the outer diameter of the piston disc is far larger than the inner diameter of the glue outlet flow passage.
The further improved scheme in the technical scheme is as follows:
1. In the above scheme, a plurality of through holes communicated with the oil storage tank are formed in the side wall of the upper portion of the shaft sleeve at intervals along the circumferential direction, at least one oil inlet hole is formed in the side wall of the lower portion of the cylinder body, and each oil inlet hole is correspondingly communicated with one through hole.
2. In the scheme, the oil inlet holes are arranged in two and symmetrically arranged along the axis of the piston rod.
3. In the scheme, a plug is embedded and installed at one end of each oil inlet far away from the shaft sleeve.
4. In the above scheme, the upper surface of the glue feeding block is provided with an annular bulge outside the shaft sleeve, and the annular bulge is embedded into a groove formed in the lower surface of the cylinder body.
5. In the scheme, 2 annular grooves are formed in the side wall of the shaft sleeve and located between 2 universal plug rings at intervals, a sealing ring is embedded into each annular groove, the outer surface of one sealing ring is in extrusion contact with the cylinder body of the air cylinder, and the outer surface of the other sealing ring is in extrusion contact with the inner wall of the annular protrusion.
Due to the application of the technical scheme, compared with the prior art, the utility model has the following advantages:
According to the high-viscosity glue solution high-flow switch valve, the outer side of the piston rod is sleeved with the shaft sleeve, the upper end of the shaft sleeve is embedded into the cylinder body of the cylinder, the lower end of the shaft sleeve is embedded into the glue block, the upper end and the lower end of the shaft sleeve are respectively embedded with the universal plug ring, the inner ring of the universal plug ring sleeved on the piston rod is in extrusion contact with the outer surface of the piston rod and is in sliding fit with the outer surface of the piston rod, the upper part of the shaft sleeve is arranged below the universal plug ring arranged at the upper end of the shaft sleeve, an oil storage groove extending circumferentially along the outer side of the piston rod is arranged, grease is filled in the oil storage groove, the stability of a connecting structure between the cylinder body and the glue block is improved, good sealing performance between the cylinder body and the glue block under a high-pressure environment is realized, the concentricity of the piston rod is ensured to reduce abrasion, the real-time lubrication on the piston rod is realized through grease in the oil storage groove, the smoothness of long-term reciprocating motion of the piston rod is improved, the damage to the piston rod is reduced, and the service life of the whole structure is prolonged; the lower end of the piston rod extends into the glue inlet flow passage of the 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 the glue outlet flow passage of the 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 the piston disc is far larger than the inner diameter of the glue outlet flow passage, not only can realize the large-flow output of high-pressure high-viscosity glue liquid, but also can instantly stop the glue which is output outwards, and upward 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, and the precision of glue supplying outwards is ensured.
Drawings
FIG. 1 is a schematic diagram of the overall structure of a high-flow switching valve for high-viscosity glue solution;
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 C in FIG. 2;
FIG. 4 is a schematic cross-sectional view taken along line B-B of FIG. 1 in accordance with the present utility model;
FIG. 5 is a schematic diagram showing the cut-off state of the high-flow switching valve for high-viscosity glue solution.
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. a shaft sleeve; 13. a plug ring; 141. an annular groove; 142. a seal ring; 151. an annular protrusion; 152. a groove; 161. an oil storage tank; 162. a through hole; 163. an oil inlet hole; 164. and (5) plugging.
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 high flow switching valve for high viscosity glue solution comprising: the upper part of the air cylinder body 2 is provided with a cavity 1, 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, wherein 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 formed in 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;
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 a glue inlet block 3 in the vertical direction and is connected with a back suction rod 7, a shaft sleeve 12 is sleeved outside the piston rod 61, the upper end of the shaft sleeve 12 is embedded into a cylinder body 2, the lower end of the shaft sleeve 12 is embedded into the glue inlet block 3, the upper end and the lower end of the shaft sleeve 12 are respectively embedded with a pan plug ring 13, the inner ring of the pan plug ring 13 sleeved on the piston rod 61 is in extrusion contact with and sliding fit with the outer surface of the piston rod 61, an oil storage groove 161 extending along the circumferential direction outside the piston rod 61 is formed in the upper part of the shaft sleeve 12 and below the pan plug ring 13 arranged at the upper end of the shaft sleeve, and grease is filled in the oil storage groove 161;
The lower end of the back suction rod 7 which can move up and down along with the piston rod 61 extends into the glue outlet flow passage 41 of the glue outlet block 4 and is provided with an outer flange 71 which extends outwards along the radial direction, the inner wall of the upper end of the glue outlet flow passage 41 is provided with an inner flange 42 which extends inwards along the radial direction, the outer surface of the outer flange 71 is in sliding contact with the outer surface of the inner flange 42, the lower end of the glue inlet flow passage 32 is provided with a sealing ring 8, 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 passage 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 back suction rod is driven to move downwards through the piston rod, a gap is formed between the back suction rod and the sealing ring, so that the glue inlet flow channel and the glue outlet flow channel are communicated, and glue solution entering from the glue inlet sequentially passes through the glue inlet flow channel and the glue outlet flow channel and then is output outwards through the glue outlet pipe.
The side wall of the upper portion of the shaft sleeve 12 is provided with a plurality of through holes 162 which are communicated with the oil storage tank 161 at intervals along the circumferential direction, the side wall of the lower portion of the cylinder body 2 is provided with at least one oil inlet hole 163, each oil inlet hole 163 is correspondingly communicated with one through hole 162, and the oil storage tank can be replenished with grease in real time without disassembly.
The oil inlet holes 163 are provided in two and symmetrically along the axis of the piston rod 61.
A plug 164 is embedded and installed on one end of each oil inlet 163 far away from the shaft sleeve 12.
The upper surface of the glue feeding block 3 is provided with an annular bulge 151 positioned outside the shaft sleeve 12, and the annular bulge 151 is embedded into a groove 152 arranged on the lower surface of the cylinder body 2.
And 2 annular grooves 141 are arranged on the side wall of the shaft sleeve 12 and between 2 universal plug rings 13 at intervals, a sealing ring 142 is embedded and installed in each annular groove 141, the outer surface of one sealing ring 142 is in extrusion contact with the cylinder body 2, and the outer surface of the other sealing ring 142 is in extrusion contact with the inner wall of the annular bulge 151.
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 high flow switching valve comprising: the upper part of the air cylinder body 2 is provided with a cavity 1, 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, wherein 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 formed in 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;
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 a glue inlet block 3 in the vertical direction and is connected with a back suction rod 7, a shaft sleeve 12 is sleeved outside the piston rod 61, the upper end of the shaft sleeve 12 is embedded into a cylinder body 2, the lower end of the shaft sleeve 12 is embedded into the glue inlet block 3, the upper end and the lower end of the shaft sleeve 12 are respectively embedded with a pan plug ring 13, the inner ring of the pan plug ring 13 sleeved on the piston rod 61 is in extrusion contact with and sliding fit with the outer surface of the piston rod 61, an oil storage groove 161 extending along the circumferential direction outside the piston rod 61 is formed in the upper part of the shaft sleeve 12 and below the pan plug ring 13 arranged at the upper end of the shaft sleeve, and grease is filled in the oil storage groove 161;
The lower end of the back suction rod 7 which can move up and down along with the piston rod 61 extends into the glue outlet flow passage 41 of the glue outlet block 4 and is provided with an outer flange 71 which extends outwards along the radial direction, the inner wall of the upper end of the glue outlet flow passage 41 is provided with an inner flange 42 which extends inwards along the radial direction, the outer surface of the outer flange 71 is in sliding contact with the outer surface of the inner flange 42, the lower end of the glue inlet flow passage 32 is provided with a sealing ring 8, 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 passage 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 the passage between the glue feeding flow passage and the glue discharging flow passage is cut off to realize the cut-off of glue solution.
The upper surface of the glue feeding block 3 is provided with an annular bulge 151 positioned outside the shaft sleeve 12, and the annular bulge 151 is embedded into a groove 152 arranged on the lower surface of the cylinder body 2.
And 2 annular grooves 141 are arranged on the side wall of the shaft sleeve 12 and between 2 universal plug rings 13 at intervals, a sealing ring 142 is embedded and installed in each annular groove 141, the outer surface of one sealing ring 142 is in extrusion contact with the cylinder body 2, and the outer surface of the other sealing ring 142 is in extrusion contact with the inner wall of the annular bulge 151.
The ratio between the inner diameter of the glue outlet flow passage 41 and the outer diameter of the piston disc 62 is 1:9.
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;
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 high-flow switch valve for the high-viscosity glue solution, the stability of a connecting structure between the cylinder body and the glue inlet block is improved, good sealing performance between the cylinder body and the glue inlet block in a high-pressure environment is realized, concentricity of the piston rod can be ensured to reduce abrasion, and real-time lubrication of the piston rod is realized through grease in the oil storage tank, so that the smoothness of long-term reciprocating motion of the piston rod is improved, the damage to the piston rod is reduced, and the service life of the whole structure is prolonged; in addition, 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 solution in the glue outlet pipe so as to prevent the glue solution which is not output in the glue outlet pipe from overflowing, so that the accuracy of glue supply outwards is ensured.
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 (6)
1. A high-flow switch valve for high-viscosity glue solution is characterized in that: comprising the following steps: the upper part of the air cylinder body (2) is provided with a cavity (1), a glue inlet block (3) which is in sealing connection with the lower end of the air cylinder body (2), 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), a glue inlet (31) is formed in the side surface of the glue inlet block (3), a glue inlet runner (32) which is communicated with the glue inlet (31) is formed in the glue inlet block (3), and the upper end of a glue outlet runner (41) which is formed in the glue outlet block (4) is communicated with the lower end of the glue inlet runner (32), and the lower end of the glue outlet runner (41) is communicated with the upper end of the glue outlet pipe (5);
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 outer side of the piston rod (61) is sleeved with a shaft sleeve (12), the upper end of the shaft sleeve (12) is embedded into the cylinder body (2), the lower end of the shaft sleeve is embedded into the glue inlet block (3), the upper end and the lower end of the shaft sleeve (12) are respectively embedded with a pan plug ring (13), the inner ring of the pan plug ring (13) sleeved on the piston rod (61) is in extrusion contact with and sliding fit with the outer surface of the piston rod (61), an oil storage groove (161) extending along the circumferential direction of the outer side of the piston rod (61) is formed in the lower part of the pan plug ring (13) arranged at the upper part of the shaft sleeve (12), and grease is filled in the oil storage groove (161);
The lower end of the back suction rod (7) which can move up and down along with the piston rod (61) extends into the glue outlet flow passage (41) of the glue outlet block (4) and is provided with an outer flange (71) which extends outwards along the radial direction, the inner wall of the upper end of the glue outlet flow passage (41) is provided with an inner flange (42) which extends inwards along the radial direction, the outer surface of the outer flange (71) is in sliding contact with the outer surface of the inner flange (42), the lower end of the glue inlet flow passage (32) is provided with a sealing ring (8), 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 passage (41).
2. The high-flow switching valve for high-viscosity dope according to claim 1, wherein: the side wall of the upper part of the shaft sleeve (12) is provided with a plurality of through holes (162) communicated with the oil storage groove (161) at intervals along the circumferential direction, the side wall of the lower part of the cylinder body (2) is provided with at least one oil inlet hole (163), and each oil inlet hole (163) is correspondingly communicated with one through hole (162).
3. The high-flow switching valve for high-viscosity dope according to claim 2, wherein: the oil inlet holes (163) are arranged in two and are symmetrically arranged along the axis of the piston rod (61).
4. The high-flow switching valve for high-viscosity dope according to claim 2, wherein: a plug (164) is embedded and installed on one end of each oil inlet hole (163) far away from the shaft sleeve (12).
5. The high-flow switching valve for high-viscosity dope according to claim 1, wherein: the upper surface of the glue feeding block (3) is provided with an annular bulge (151) which is positioned at the outer side of the shaft sleeve (12), and the annular bulge (151) is embedded into a groove (152) arranged on the lower surface of the cylinder body (2).
6. The high-flow switching valve for high-viscosity glue solution according to claim 5, wherein: and 2 annular grooves (141) are formed in the side wall of the shaft sleeve (12) and are positioned between 2 plug rings (13) at intervals, a sealing ring (142) is embedded and installed in each annular groove (141), the outer surface of one sealing ring (142) is in extrusion contact with the cylinder body (2), and the outer surface of the other sealing ring (142) is in extrusion contact with the inner wall of the annular bulge (151).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322406740.2U CN220879456U (en) | 2023-09-05 | 2023-09-05 | High-flow switch valve for high-viscosity glue solution |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322406740.2U CN220879456U (en) | 2023-09-05 | 2023-09-05 | High-flow switch valve for high-viscosity glue solution |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220879456U true CN220879456U (en) | 2024-05-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322406740.2U Active CN220879456U (en) | 2023-09-05 | 2023-09-05 | High-flow switch valve for high-viscosity glue solution |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220879456U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118357125A (en) * | 2024-06-20 | 2024-07-19 | 苏州卓兆点胶股份有限公司 | Glue supply system for hot melt glue |
-
2023
- 2023-09-05 CN CN202322406740.2U patent/CN220879456U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118357125A (en) * | 2024-06-20 | 2024-07-19 | 苏州卓兆点胶股份有限公司 | Glue supply system for hot melt glue |
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