CN103537406B - A kind of contact glue dispensing valve - Google Patents
A kind of contact glue dispensing valve Download PDFInfo
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- CN103537406B CN103537406B CN201310527865.9A CN201310527865A CN103537406B CN 103537406 B CN103537406 B CN 103537406B CN 201310527865 A CN201310527865 A CN 201310527865A CN 103537406 B CN103537406 B CN 103537406B
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- piston
- glue
- valve body
- cavity
- mouth seat
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Abstract
The present invention relates to fluid spot gluing equipment technical field, refer in particular to a kind of contact glue dispensing valve, after inlet channel passes into gas, piston reciprocal transverse shifting in piston cavity can be made by the control of magnetic valve, piston drives point to glued joint the reciprocal transverse shifting of mouth seat by connecting rod, point glued joint mouth seat and dispensing needle head facing each other time, some glue passage is connected, and the glue of feed arrangement oozes by a glue flexible pipe, some splicing mouth seat and dispensing needle head; After piston driving point glueds joint mouth seat transverse shifting, point glueds joint mouth seat and dispensing needle head mutual dislocation, the disconnection of some glue passage, and inlet point needle head and oozing failed by glue; Can the break-make of control point glue by said process, structure is simple, by pneumatic form control, its fast response time, some glue efficiency is high; By glueing joint the break-make of the form control point glue of mouth seat and dispensing needle head mutual dislocation, making the length of dispensing needle head short, reducing the inside overbottom pressure of dispensing needle head, making picture tree lace even, the crudy of improving product.
Description
Technical field
The present invention relates to fluid spot gluing equipment technical field, refer in particular to a kind of contact glue dispensing valve.
Background technology
Different according to a collagen reason, dispensing technology is broadly divided into contact point glue and non-contact type point glue, contact point glue relies on dispensing needle head to guide glue to contact with product, time delay a period of time makes glue infiltrate product, then dispensing needle head moves upward, and glue relies on the stickiness power between self and product to be separated with dispensing needle head, thus on product, form glue point, can accurately point, note, be coated onto the position of each product, and can realize getting ready, setting-out, the operation such as picture circular arc.
The glue dispensing valve of prior art, the general form adopting striker to coordinate with glue dispensing valve syringe needle realizes some glue functions, and the quality of fit of its striker and glue dispensing valve syringe needle requires higher, and difficulty of processing is large, increases manufacturing cost.And in the process of a glue, the inside of glue dispensing valve syringe needle can produce certain overbottom pressure after a glue, the glue dispensing valve of prior art due to needle portion longer, cause the overbottom pressure of needle wall comparatively large, make picture tree lace even not, affect the crudy of product.
Summary of the invention
The object of the invention is to provide a kind of structure simple for the deficiencies in the prior art, fast response time, draws the uniform contact glue dispensing valve of tree lace.
For achieving the above object, a kind of contact glue dispensing valve of the present invention, comprise magnetic valve, described magnetic valve is provided with main valve body, the inside of described main valve body is provided with inlet channel and valve body chamber, and described inlet channel is communicated with valve body chamber, and described main valve body is provided with piston cavity, described piston cavity is communicated with valve body chamber, and described piston cavity is provided with piston;
The inside of described main valve body offers pipeline accommodating cavity, described pipeline accommodating cavity is arranged at the side of piston cavity, described main valve body be externally connected to feed arrangement, arrange in described pipeline accommodating cavity and have a glue flexible pipe, one end of some glue flexible pipe is connected with feed arrangement, the other end of some glue flexible pipe connects and a little glueds joint mouth seat, and the bottom of described pipeline accommodating cavity is provided with dispensing needle head, and described point glueds joint mouth seat and abuts with dispensing needle head;
Described piston is extended with connecting rod in pipeline accommodating cavity, and described connecting rod is connected to a splicing mouth seat, and described piston bush is connected to the first flexible member, and described first flexible member is connected between piston and piston cavity;
Described some glue Hose Jacket is connected to the second flexible member, and described second flexible member to be connected to and to glued joint between mouth seat and pipeline accommodating cavity.
As preferably, the junction that described some glue flexible pipe and point glued joint mouth seat is socketed with seal washer, and described second flexible member is connected between seal washer and pipeline accommodating cavity.
As preferably, gap is left between the middle part of described piston and piston cavity, first passage is provided with between described gap and valve body chamber, described gap is communicated with valve body chamber by first passage, one end that described piston is positioned at away from connecting rod is provided with piston packing, and piston packing and piston cavity are tightly connected; The other end of described piston is socketed with sealing shroud, and described sealing shroud is sealed in the junction of piston and piston cavity.
As preferably, described main valve body is provided with second channel, and described second channel is communicated between piston cavity and valve body chamber, and the gas outlet of described second channel is positioned at the tail end of piston packing.
As preferably, described main valve body is provided with vertical point glue feed arrangement, described vertical point glue feed arrangement comprises leading truck, piston rod and the 3rd flexible member, described leading truck is fixedly connected with main valve body, and described main valve body offers feeding cavity, described feeding cavity is communicated with second channel, described piston rod packing is connected to feeding cavity, and second channel is positioned at below piston rod, and described 3rd flexible member is connected between leading truck and piston rod.
As preferably, described feed arrangement comprises feed hopper, and the top of described feed hopper is connected with pneumatic shuttle, and the below of described feed hopper is connected with connection, and described connection is connected with some glue flexible pipe.
As preferably, the side of described main valve body is provided with proximity switch.
As preferably, described first flexible member, the second flexible member and the 3rd flexible member are back-moving spring.
Beneficial effect of the present invention: a kind of contact glue dispensing valve, after inlet channel passes into gas, piston reciprocal transverse shifting in piston cavity can be made by the control of magnetic valve, piston drives point to glued joint the reciprocal transverse shifting of mouth seat by connecting rod, point glued joint mouth seat and dispensing needle head facing each other time, point glue passage is connected, and the glue of feed arrangement oozes by a glue flexible pipe, some splicing mouth seat and dispensing needle head; After piston driving point glueds joint mouth seat transverse shifting, point glueds joint mouth seat and dispensing needle head mutual dislocation, the disconnection of some glue passage, and inlet point needle head failed by glue; Can the break-make of control point glue by said process, structure is simple, by pneumatic form control, its fast response time, some glue efficiency is high; By glueing joint the break-make of the form control point glue of mouth seat and dispensing needle head mutual dislocation, making the length of dispensing needle head short, reducing the inside overbottom pressure of dispensing needle head, making picture tree lace even, the crudy of improving product.
This glue dispensing valve can also arrange vertical point glue feed arrangement, utilizes the gas path on-off of solenoid control second channel, makes glue dispensing valve realize vertical feed point glue, and the response of some glue is fast, improves some glue efficiency further.
Accompanying drawing explanation
Fig. 1 is the perspective view of the embodiment of the present invention one.
Fig. 2 is the front view of the embodiment of the present invention one.
Fig. 3 is the top view of Fig. 1.
Fig. 4 is the Section View along A-A line in Fig. 3.
Fig. 5 is the top view of the embodiment of the present invention one main valve body.
Fig. 6 is the Section View along B-B line in Fig. 5.
Fig. 7 is the front view of the embodiment of the present invention two.
Fig. 8 is the perspective view of the embodiment of the present invention two.
Fig. 9 is the Section View of the embodiment of the present invention two.
Reference numeral comprises:
1-magnetic valve, 11-main valve body, 12-inlet channel, 13-valve body chamber
15-piston cavity, 16-piston, 17-pipeline accommodating cavity
18-connecting rod, a 21-glue flexible pipe, 22-splicing mouth seat 23-dispensing needle head
24-seal washer, 25-gap, 26-first passage, 27-piston packing
28-sealing shroud, 29-second channel 31-the first flexible member
32-the second flexible member 4-vertical point glue feed arrangement 41-leading truck
42-piston rod, 43-feeding cavity, 5-feed arrangement, 51-feed hopper
52-pneumatic shuttle, 53-connection, 6-proximity switch.
Detailed description of the invention
Below in conjunction with accompanying drawing, the present invention is described in detail.
Embodiment one.
As shown in Figures 1 to 6, a kind of contact glue dispensing valve of the present invention, comprise magnetic valve 1, described magnetic valve 1 is provided with main valve body 11, the inside of described main valve body 11 is provided with inlet channel 12 and valve body chamber 13, and described inlet channel 12 is communicated with valve body chamber 13, and described main valve body 11 is provided with piston cavity 15, described piston cavity 15 is communicated with valve body chamber 13, and described piston cavity 15 is provided with piston 16; The inside of described main valve body 11 offers pipeline accommodating cavity 17, described pipeline accommodating cavity 17 is arranged at the side of piston cavity 15, described main valve body 11 be externally connected to feed arrangement 5, arrange in described pipeline accommodating cavity 17 and have a glue flexible pipe 21, one end of some glue flexible pipe 21 is connected with feed arrangement 5, the other end of some glue flexible pipe 21 connects and a little glueds joint mouth seat 22, and the bottom of described pipeline accommodating cavity 17 is provided with dispensing needle head 23, and described splicing mouth seat 22 abuts with dispensing needle head 23;
Described piston 16 is extended with connecting rod 18 in pipeline accommodating cavity 17, and described connecting rod 18 is connected to a splicing mouth seat 22, and described piston 16 is socketed with the first flexible member 31, and described first flexible member 31 is connected between piston 16 and piston cavity 15; Described some glue flexible pipe 21 is socketed with the second flexible member 32, and described second flexible member 32 to be connected to and to glued joint between mouth seat 22 and pipeline accommodating cavity 17.
Pass through external gas source, after inlet channel 12 is passed into gas, magnetic valve 1 makes piston 16 reciprocal transverse shifting in piston cavity 15, piston 16 drives point to glued joint the reciprocal transverse shifting of mouth seat 22 by connecting rod 18, time point splicing mouth seat 22 is facing each other with dispensing needle head 23, point glue passage is connected, and the glue of feed arrangement 5 oozes by a glue flexible pipe 21, some splicing mouth seat 22 and dispensing needle head 23; After piston 16 drives point to glued joint mouth seat 22 transverse shifting, point glueds joint mouth seat 22 and dispensing needle head 23 mutual dislocation, and some glue passage disconnects, and inlet point needle head 23 and oozing failed by glue; Can the break-make of control point glue by said process, structure is simple, by pneumatic form control, its fast response time, some glue efficiency is high; By glueing joint the break-make of the form control point glue of mouth seat 22 and dispensing needle head 23 mutual dislocation, making the length of dispensing needle head 23 short, reducing the inside overbottom pressure of dispensing needle head 23, making picture tree lace even, the crudy of improving product.
The junction that some glue flexible pipe 21 and the point of the present embodiment glued joint mouth seat 22 is socketed with seal washer 24, and described second flexible member 32 is connected between seal washer 24 and pipeline accommodating cavity 17.The external air compressor of feed arrangement 5, glue possesses certain pressure at feed arrangement 5, second flexible member 32 makes seal washer 24 be connected to a glue flexible pipe 21 tightly and put the junction of glueing joint mouth seat 22, can leak glue by anti-stop glue flexible pipe 21 with the junction that point glueds joint mouth seat 22.
As shown in Figure 4, the left and right of " left and right " orientation described by the present embodiment in figure, gap 25 is left between the middle part of the piston 16 of the present embodiment and piston cavity 15, first passage 26 is provided with between described gap 25 and valve body chamber 13, described gap 25 is communicated with valve body chamber 13 by first passage 26, one end that described piston 16 is positioned at away from connecting rod 18 is provided with piston packing 27, and piston packing 27 and piston cavity 15 are tightly connected; The other end of described piston 16 is socketed with sealing shroud 28, and described sealing shroud 28 is sealed in the junction of piston 16 and piston cavity 15.When gas enters in gap 25 by valve body chamber 13 through first passage 26, owing in gap 25 being a sealing state, gas can promote piston 16 toward left transverse shifting, the connecting rod 18 be connected with piston 16 drives further and a little glueds joint mouth seat 22 toward left transverse shifting, this time point glueds joint mouth seat 22 and realizes misplacing with the some glue passage of dispensing needle head 23, point glue passage is disconnected, and glue can not ooze.After magnetic valve 1 cuts out first passage 26, piston 16 resets under the effect of the first flexible member 31, and point glueds joint the mouth seat 22 traversing original position that comes back to the right, and connect with the some glue passage of dispensing needle head 23, glue oozes under the effect of the pressure.Realized the break-make of some glue passage by said structure, greatly simplify the structure of glue dispensing valve, reduce manufacturing cost, and practical.
The main valve body 11 of the present embodiment can also be provided with second channel 29, and described second channel 29 is communicated between piston cavity 15 and valve body chamber 13, and the gas outlet of described second channel 29 is positioned at the tail end of piston packing 27.Above-mentioned first passage 26 is gap 25 places being arranged at piston 16 stage casing, and the gas outlet of this second channel 29 is positioned at the tail end of piston packing 27, when magnetic valve 1 cuts out first passage 26, and after opening second channel 29, gas can first by piston 16 toward right transverse shifting, piston 16 compresses the first flexible member 31, connecting rod 18 drives point to glued joint mouth seat 22 toward right transverse shifting, a dislocation of glueing joint the some glue passage of mouth seat 22 and dispensing needle head 23 can be realized equally, point glue passage is disconnected, and glue can not ooze.After magnetic valve 1 cuts out second channel 29, piston 16 loses the pressure of gas, and piston 16 resets under the effect of the first flexible member 31, and point glueds joint the mouth seat 22 traversing original position that comes back to the left, connect with the some glue passage of dispensing needle head 23, glue oozes under the effect of the pressure.
The feed arrangement 5 of the present embodiment comprises feed hopper 51, the top of described feed hopper 51 is connected with pneumatic shuttle 52, the below of described feed hopper 51 is connected with connection 53, described connection 53 is connected with some glue flexible pipe 21, pneumatic shuttle 52 provides air pressure for the glue in feed hopper 51, and glue can be oozed along some glue flexible pipe 21, some splicing mouth seat 22 and dispensing needle head 23.
Described first flexible member 31, second flexible member 32 and the 3rd flexible member are back-moving spring, and the coefficient of elasticity of spring is good, and the size adjustment of elastic force is more convenient.
Embodiment two.
As shown in Figure 7 to 9, the difference of the present embodiment and embodiment one is that described main valve body 11 is provided with vertical point glue feed arrangement 4, described vertical point glue feed arrangement 4 comprises leading truck 41, piston rod 42 and the 3rd flexible member, described leading truck 41 is fixedly connected with main valve body 11, described main valve body 11 offers feeding cavity 43, described feeding cavity 43 is communicated with second channel 29, described piston rod 42 is sealedly attached to feeding cavity 43, second channel 29 is positioned at below piston rod 42, and described 3rd flexible member is connected between leading truck 41 and piston rod 42.
Glue dispensing valve of the present invention is installed in after on equipment, piston rod 42 is fixedly connected with equipment, when second channel 29 opened by magnetic valve 1, gas can carry out a glue action by pushing piston 16 transverse shifting on the one hand, can support piston rod 42 by gas on the other hand, because piston rod 42 is fixedly connected with equipment, main valve body 11 moves downward under the drive of gas, main valve body 11 compresses the 3rd flexible member, and dispensing needle head 23 guides glue to contact with product; After magnetic valve 1 cuts out second channel 29, main valve body 11 resets under the effect of the 3rd flexible member, dispensing needle head 23 moves upward, glue relies on the stickiness power between product to be separated with dispensing needle head 23, thus on product, form glue point, screw structure before comparing, improves some glue efficiency greatly.
As preferably, the side of described main valve body 11 is provided with proximity switch 6, and described proximity switch 6 can detect the distance between self and product, for the stroke that control bound body 11 declines.
The remainder of the present embodiment is identical with embodiment one, repeats no more here.
Above content is only preferred embodiment of the present invention, and for those of ordinary skill in the art, according to thought of the present invention, all will change in specific embodiments and applications, this description should not be construed as limitation of the present invention.
Claims (8)
1. a contact glue dispensing valve, comprise magnetic valve (1), described magnetic valve (1) is provided with main valve body (11), the inside of described main valve body (11) is provided with inlet channel (12) and valve body chamber (13), described inlet channel (12) is communicated with valve body chamber (13), it is characterized in that: described main valve body (11) is provided with piston cavity (15), described piston cavity (15) is communicated with valve body chamber (13), and described piston cavity (15) is provided with piston (16);
The inside of described main valve body (11) offers pipeline accommodating cavity (17), described pipeline accommodating cavity (17) is arranged at the side of piston cavity (15), described main valve body (11) be externally connected to feed arrangement (5), arrange in described pipeline accommodating cavity (17) and have a glue flexible pipe (21), one end of some glue flexible pipe (21) is connected with feed arrangement (5), the other end of some glue flexible pipe (21) connects and a little glueds joint mouth seat (22), the bottom of described pipeline accommodating cavity (17) is provided with dispensing needle head (23), described splicing mouth seat (22) abuts with dispensing needle head (23),
Described piston (16) is extended with connecting rod (18) in pipeline accommodating cavity (17), described connecting rod (18) is connected to splicing mouth seat (22), described piston (16) is socketed with the first flexible member (31), and described first flexible member (31) is connected between piston (16) and piston cavity (15);
Described some glue flexible pipe (21) is socketed with the second flexible member (32), and described second flexible member (32) is connected to glueds joint between mouth seat (22) and pipeline accommodating cavity (17).
2. a kind of contact glue dispensing valve according to claim 1, it is characterized in that: the junction that described some glue flexible pipe (21) and point glued joint mouth seat (22) is socketed with seal washer (24), and described second flexible member (32) is connected between seal washer (24) and pipeline accommodating cavity (17).
3. a kind of contact glue dispensing valve according to claim 1, it is characterized in that: between the middle part of described piston (16) and piston cavity (15), leave gap (25), first passage (26) is provided with between described gap (25) and valve body chamber (13), described gap (25) is communicated with valve body chamber (13) by first passage (26), one end that described piston (16) is positioned at away from connecting rod (18) is provided with piston packing (27), and piston packing (27) and piston cavity (15) are tightly connected; The other end of described piston (16) is socketed with sealing shroud (28), and described sealing shroud (28) is sealed in the junction of piston (16) and piston cavity (15).
4. a kind of contact glue dispensing valve according to claim 3, it is characterized in that: described main valve body (11) is provided with second channel (29), described second channel (29) is communicated between piston cavity (15) and valve body chamber (13), and the gas outlet of described second channel (29) is positioned at the tail end of piston packing (27).
5. a kind of contact glue dispensing valve according to claim 1, it is characterized in that: described feed arrangement (5) comprises feed hopper (51), the top of described feed hopper (51) is connected with pneumatic shuttle (52), the below of described feed hopper (51) is connected with connection (53), and described connection (53) is connected with some glue flexible pipe (21).
6. a kind of contact glue dispensing valve according to claim 4, it is characterized in that: described main valve body (11) is provided with vertical point glue feed arrangement (4), described vertical point glue feed arrangement (4) comprises leading truck (41), piston rod (42) and the 3rd flexible member, described leading truck (41) is fixedly connected with main valve body (11), described main valve body (11) offers feeding cavity (43), described feeding cavity (43) is communicated with second channel (29), described piston rod (42) is sealedly attached to feeding cavity (43), second channel (29) is positioned at piston rod (42) below, described 3rd flexible member is connected between leading truck (41) and piston rod (42).
7. a kind of contact glue dispensing valve according to claim 6, is characterized in that: the side of described main valve body (11) is provided with proximity switch (6).
8. a kind of contact glue dispensing valve according to claim 6, is characterized in that: described first flexible member (31), the second flexible member (32) and the 3rd flexible member are back-moving spring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310527865.9A CN103537406B (en) | 2013-10-31 | 2013-10-31 | A kind of contact glue dispensing valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310527865.9A CN103537406B (en) | 2013-10-31 | 2013-10-31 | A kind of contact glue dispensing valve |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103537406A CN103537406A (en) | 2014-01-29 |
| CN103537406B true CN103537406B (en) | 2015-10-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310527865.9A Active CN103537406B (en) | 2013-10-31 | 2013-10-31 | A kind of contact glue dispensing valve |
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| CN (1) | CN103537406B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111992433B (en) * | 2020-08-17 | 2022-03-04 | 重庆煜兆耀电子科技有限公司 | Can be according to LED lamp dispensing device of glue viscosity adjustment atmospheric pressure |
| CN112756205B (en) * | 2020-12-30 | 2023-10-20 | 苏州卓兆点胶股份有限公司 | Pneumatic high-pressure valve and working process thereof |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4690306A (en) * | 1985-08-12 | 1987-09-01 | Ciba-Geigy Corporation | Dispensing device for storing and applying at least one liquid or pasty substance |
| CN201900087U (en) * | 2010-09-30 | 2011-07-20 | 洪清炎 | Improved adhesive dispensing valve |
| CN203030463U (en) * | 2012-12-13 | 2013-07-03 | 广州正奇科技有限公司 | Cylinder-type sucking-back dispensing valve |
| CN203540818U (en) * | 2013-10-31 | 2014-04-16 | 刘飞 | Contact type dispensing valve |
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| CN103537406A (en) | 2014-01-29 |
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Effective date of registration: 20160317 Address after: Manufacturing industry base in Hunan province Liuyang City Road 410300 No. 3 Hunan Han de Technology Co. Ltd. Patentee after: Hunan Hankede Science and Technology Co., Ltd. Address before: Dongguan City, Guangdong province 523460 Dongguan village Hengli Industrial Zone tail anda automation equipment Co. Patentee before: Liu Fei |