CN213102972U

CN213102972U - Anti-blocking leakage glue discharging pipeline of glue dispenser

Info

Publication number: CN213102972U
Application number: CN202021540920.XU
Authority: CN
Inventors: 程崑岚; 陈仕军; 程俊斌; 张贤锋
Original assignee: Good Electronic Wuhu Co ltd
Current assignee: Good Electronic Wuhu Co ltd
Priority date: 2020-07-30
Filing date: 2020-07-30
Publication date: 2021-05-04
Anticipated expiration: 2030-07-30

Abstract

The utility model discloses an anti-blocking leakage lower glue pipeline of a glue dispenser, which comprises a lower glue pipe, an upper sealing nut, a lower sealing nut, a glue amount adjusting mechanism and a glue dispensing head, wherein the upper sealing nut and the lower sealing nut are respectively arranged at the upper end and the lower end of the lower glue pipe; the radius of the top end of the lower rubber tube is smaller than that of the bottom end of the lower rubber tube, the side wall of the middle part of the lower rubber tube is provided with a rubber supply port, the side wall of the bottom of the lower rubber tube is provided with a suction return port, and the rubber supply port and the suction return port are both communicated with the inner cavity of the lower rubber tube; the glue amount adjusting mechanism comprises a limiting rod, an adjusting valve, a first diaphragm and a spring. The utility model discloses the lower gluey pipeline to prior art dispensing machine blocks up easily to need extravagant manpower, material resources to remove the clearance, reduced technical problem such as the efficiency of gluing production and improve, the utility model has the advantages of prevent down that the rubber tube blocks up, reduce the loss of manpower, material resources, improve the efficiency of gluing production.

Description

Anti-blocking leakage glue discharging pipeline of glue dispenser

Technical Field

The utility model relates to a glue technical field, especially relate to a stifled gluey pipeline under leaking of preventing of point gum machine.

Background

The dispenser is also called a glue spreader, a glue dispenser, a glue filling machine and the like, and is specially used for controlling the fluid. And to drip, apply fluid to the surface of, or within a product. The glue dispenser is mainly used for accurately dispensing, injecting, coating and dripping glue, paint and other liquids in a product process to each accurate position of a product, and can be used for realizing dispensing, line drawing, circular or arc.

Traditional point gum machine structure mainly includes the glue solution stainless steel jar body, the stainless steel pipeline of gluing down, the pneumatic pump, product coating carousel, coating rotational speed instrument, put gluey volume governing valve and open and stop circuit control system etc. in the use, because the discontinuity of production, lead to the operation intermittent and intermittent, exceed more than 30 minutes at the machine halt state, the remaining glue solution of gluing the pipeline the inside under the stainless steel can take place the coagulation phenomenon, thereby can cause the pipe blockage, will influence the normal use of equipment after gluing the pipeline blockage, need artifical clearance pipeline this moment, the extravagant manpower, material resources, the efficiency of some glue has also been reduced.

To above technical problem, the utility model discloses a glue dispensing machine prevent stifled leaking down and glue the pipeline, the utility model has the advantages of prevent down that the rubber tube blocks up, reduce the loss of manpower, material resources, improve the efficiency of production of gluing.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome prior art not enough, provide a gluey pipeline under stifled leaking of point gum machine's prevention to the gluey pipeline of gluing of solving prior art point gum machine blocks up easily, thereby needs extravagant manpower, material resources to remove the clearance, has reduced the technical problem such as efficiency of production is glued to the point, the utility model has the advantages of prevent down that the rubber tube blocks up, reduce the loss of manpower, material resources, improve the efficiency of production is glued to the point.

The utility model discloses a following technical scheme realizes: the utility model discloses an anti-blocking leakage lower glue pipeline of a glue dispenser, which comprises a lower glue pipe, an upper sealing nut, a lower sealing nut, a glue amount adjusting mechanism and a glue dispensing head, wherein the upper sealing nut and the lower sealing nut are respectively arranged at the upper end and the lower end of the lower glue pipe; the radius of the top end of the lower rubber tube is smaller than that of the bottom end of the lower rubber tube, the side wall of the middle part of the lower rubber tube is provided with a rubber supply port, the side wall of the bottom of the lower rubber tube is provided with a suction return port, and the rubber supply port and the suction return port are both communicated with the inner cavity of the lower rubber tube; the upper sealing nut is fixedly inserted at the top end of the lower rubber tube, a first sealing ring is arranged between the outer wall of the upper sealing nut and the inner wall of the lower rubber tube, and a screw hole is formed in the middle of the upper sealing nut; the lower sealing nut is fixedly screwed at the bottom end of the lower rubber tube, a first groove is formed in the top end of the lower sealing nut, a fixed seat is arranged at the bottom end of the first groove, a rubber leakage gap is formed between the fixed seat and the inner wall of the first groove, an inserting groove is formed in the middle of the fixed seat, rubber leakage holes are formed in the bottom of the lower sealing nut at intervals in an inclined mode, the top end of each rubber leakage hole is communicated with the corresponding rubber leakage gap, and the bottom end of each rubber leakage hole penetrates through the bottom end of the lower sealing nut downwards; the glue quantity adjusting mechanism comprises a limiting rod, an adjusting valve, a first diaphragm and a spring, the limiting rod is vertically arranged in an inner cavity of the lower rubber tube, the bottom end of the limiting rod is fixedly inserted in the slot, the adjusting valve is positioned at the top of the upper sealing nut, the bottom of the adjusting valve is screwed in the screw hole, a second groove is formed in the bottom of the adjusting valve, the top of the limiting rod upwards penetrates into the second groove, the first diaphragm is movably sleeved on the limiting rod and positioned between the glue supply port and the suck-back port, the radius of the first diaphragm is larger than that of the top end of the lower rubber tube and smaller than that of the bottom end of the lower rubber tube, the spring is sleeved on the limiting rod, and the spring is respectively arranged at the upper end and the lower end of the first diaphragm; the bottom of sealing nut is provided with glues first fixed block down, glues the middle part of first fixed block and has seted up the jack, and the top of dispensing head is fixed to be pegged graft in the jack to leak the inner chamber intercommunication of gluing hole and dispensing head, be provided with the second sealing washer between the outer wall of dispensing head and the inner wall of jack.

Further, in order to prevent the glue solution from exploding from the top of rubber tube down, it is equipped with the second diaphragm to go back movable sleeve on the gag lever post, the second diaphragm is located the upper portion that supplies to glue the mouth, the radius of second diaphragm is greater than the radius on rubber tube top and is less than the radius of rubber tube bottom down, the spring sets up respectively between the top of first diaphragm and fixing base, between first diaphragm and the second diaphragm and between the bottom of second diaphragm and governing valve, after setting up the second diaphragm, when the pressure of glue solution in the rubber tube down was too big, the glue solution can upwards push up the second diaphragm, thereby weaken the pressure of glue solution through the second diaphragm, prevent that the glue solution from exploding from the top of rubber tube down.

Furthermore, the inclination angle between the top end and the bottom end of the inner wall of the lower rubber tube is 0.5 degree.

Furthermore, in order to facilitate the fixed installation of the lower rubber tube, a fixed notch is arranged on the outer wall of the lower rubber tube.

The utility model has the advantages of it is following: the utility model discloses a be provided with back suction inlet in the bottom of first diaphragm, back suction inlet and the suck-back pipe-line system who has the vacuum pump are connected, accomplish the back at the point and glue, trigger the vacuum pump to glue solution resorption in the gluey pipeline will be down reaches the glue solution stainless steel jar body, thereby the condition that remaining glue solution is gluey the pipeline solidification under can not appear, need not extravagant manpower yet, material resources remove the clearance, have improved the efficiency of gluing production.

Drawings

Fig. 1 is a sectional view of the present invention;

FIG. 2 is a cross-sectional view of the lower rubber hose;

FIG. 3 is a cross-sectional view of the upper closure nut;

FIG. 4 is a cross-sectional view of the lower blind nut;

FIG. 5 is a top view of the lower gland nut;

FIG. 6 is a sectional view of the structure of the regulating valve;

fig. 7 is a sectional view of the rubber head fixing block.

In the figure: 1. discharging a rubber tube; 11. a glue supply opening; 12. a suction opening is formed; 13. fixing the notch; 2. an upper sealing nut; 21. a screw hole; 3. a lower sealing nut; 31. a first groove; 32. glue leakage holes; 4. a glue amount adjusting mechanism; 41. a limiting rod; 42. adjusting a valve; 43. a first diaphragm sheet; 44. a spring; 45. a second diaphragm; 421. a second groove; 5. dispensing a glue head; 6. a first seal ring; 7. a fixed seat; 71. a slot; 8. a glue leakage gap; 9. a rubber head fixing block; 91. a jack; 10. a second seal ring; 100. and (4) inclining the angle.

Detailed Description

The following embodiments of the present invention are described in detail, and the present embodiment is implemented on the premise of the technical solution of the present invention, and detailed embodiments and specific operation procedures are given, but the scope of the present invention is not limited to the following embodiments, and in the description of the present invention, words like "front", "back", "left", "again" etc. indicating directions or position relations are only for convenience of description of the present invention and simplifying the description, but do not indicate or imply that the indicated device or element must have a specific direction, be constructed and operated in a specific direction, and thus should not be construed as limiting the present invention.

Example 1

Embodiment 1 discloses a leakage-preventing glue-dropping pipeline of a glue dispenser, as shown in fig. 1, comprising a lower rubber tube 1, an upper sealing nut 2, a lower sealing nut 3, a glue amount adjusting mechanism 4 and a glue dropping head 5, wherein the upper sealing nut 2 and the lower sealing nut 3 are respectively arranged at the upper end and the lower end of the lower rubber tube 1, the glue amount adjusting mechanism 4 is arranged in the inner cavity of the lower rubber tube 1, and the glue dropping head 5 is connected to the bottom end of the lower sealing nut 3; the radius of the top end of the lower rubber tube 1 is smaller than that of the bottom end of the lower rubber tube 1, specifically, as shown in fig. 2, the inclination angle 100 between the top end and the bottom end of the inner wall of the lower rubber tube 1 is 0.5 degrees; as shown in fig. 1, a glue supply opening 11 is formed in the side wall of the middle part of the lower rubber hose 1, a suction return opening 12 is formed in the side wall of the bottom of the lower rubber hose 1, the glue supply opening 11 and the suction return opening 12 are both communicated with the inner cavity of the lower rubber hose 1, and a fixing notch 13 is further formed in the outer wall of the lower rubber hose 1; the upper sealing nut 2 is fixedly inserted at the top end of the lower rubber tube 1, and a first sealing ring 6 is arranged between the outer wall of the upper sealing nut 2 and the inner wall of the lower rubber tube 1; as shown in fig. 3, the middle part of the upper sealing nut 2 is provided with a screw hole 21; the lower sealing nut 3 is fixedly screwed at the bottom end of the lower rubber tube 1; as shown in fig. 1, 4 and 5, a first groove 31 is formed at the top end of the lower sealing nut 3, a fixed seat 7 is arranged at the bottom end of the first groove 31, a glue leakage gap 8 is formed between the fixed seat 7 and the inner wall of the first groove 31, a slot 71 is formed in the middle of the fixed seat 7, glue leakage holes 32 are formed at the bottom of the lower sealing nut 3 at intervals in an inclined manner, the top ends of the glue leakage holes 32 are communicated with the glue leakage gap 8, and the bottom ends of the glue leakage holes 32 penetrate through the bottom end of the lower sealing nut 3 downwards; the glue amount adjusting mechanism 4 comprises a limiting rod 41, an adjusting valve 42, a first diaphragm 43 and a spring 44, wherein the limiting rod 41 is vertically arranged in the inner cavity of the lower rubber tube 1, the bottom end of the limiting rod 41 is fixedly inserted in the slot 71, the adjusting valve 42 is positioned at the top of the upper sealing nut 2, and the bottom of the adjusting valve 42 is screwed in the screw hole 21; as shown in fig. 1 and 6, the bottom of the adjusting valve 42 is provided with a second groove 421, the top of the limiting rod 41 penetrates upwards into the second groove 421, the first diaphragm 43 is movably sleeved on the limiting rod 41, and the first diaphragm 43 is positioned between the glue supply port 11 and the suck-back port 12, the radius of the first diaphragm 43 is larger than the radius of the top end of the lower rubber pipe 1 and smaller than the radius of the bottom end of the lower rubber pipe 1, the limiting rod 41 is also movably sleeved with a second diaphragm 45, the second diaphragm 45 is positioned at the upper part of the glue supply port 11, the radius of the second diaphragm 45 is larger than the radius of the top end of the lower rubber pipe 1 and smaller than the radius of the bottom end of the lower rubber pipe 1, the spring 44 is sleeved on the limiting rod 41, and the springs 44 are respectively arranged between the first diaphragm 43 and the top of the fixed seat 7, between the first diaphragm 43 and the second diaphragm 45, and between the second diaphragm 45 and the bottom of the regulating valve 42; the bottom end of the lower sealing nut 3 is provided with a rubber head fixing block 9; as shown in fig. 1 and 7, the middle of the rubber head fixing block 9 is provided with a jack 91, the top of the dispensing head 5 is fixedly inserted into the jack 91, the rubber leakage hole 32 is communicated with the inner cavity of the dispensing head 5, and a second sealing ring 10 is arranged between the outer wall of the dispensing head 5 and the inner wall of the jack 91.

The utility model discloses the working process is as follows: the glue supply port 11 of the lower rubber hose 1 is connected with a glue solution storage tank (not shown) through a glue supply pipeline (not shown), the suction return port 12 of the lower rubber hose 1 is connected with the glue solution storage tank through a suction return pipeline (not shown), the glue solution storage tank is respectively connected with an air compressor (not shown) and a vacuum pump (not shown), the glue supply pipeline is connected with a timing controller (not shown), the suction return pipeline is connected with an electromagnetic valve (not shown) and a vacuum pump (not shown), the air compressor, the vacuum pump, the timing controller and the electromagnetic valve belong to the prior art, and the air circuit connection and the circuit connection among the air compressor, the vacuum pump, the timing controller and the electromagnetic valve belong to the prior art, as can be clearly understood by those skilled in the art, the detailed description and the drawings are not described in the present application, and during glue dispensing, the timing controller is used for supplying working time to the air compressor, when the air compressor works, gas in the glue storage tank is compressed, glue enters the lower rubber tube 1 through the glue supply pipeline, glue dispensing is completed through the glue dispensing head 5, when the air compressor works, the electromagnetic valve is switched off, at the moment, the vacuum pump cannot work, when the air compressor stops working, namely glue dispensing is completed, at the moment, the electromagnetic valve is switched on, so that the vacuum pump starts working, negative pressure is formed in the glue storage tank, so that glue in the lower rubber tube 1 is sucked back into the glue storage tank through the suck-back pipeline, when the air compressor works, the tightness of the spring 44 is adjusted through the rotary adjusting valve 42, the positions of the first diaphragm 43 and the second diaphragm 45 are adjusted, the gap between the first diaphragm 43 and the inner wall of the lower rubber tube 1 is adjusted, and the glue supply amount of one-time glue dispensing is adjusted, second diaphragm 45's setting, the glue solution that prevents down rubber tube 1 explodes from rubber tube 1's top down, sets up second diaphragm 45 after, when the pressure in the rubber tube 1 is great, the glue solution can upwards push up second diaphragm 45, and can directly upwards top gland nut 2 to weaken the pressure of glue solution through second diaphragm 45, prevented the glue solution from exploding from rubber tube 1's top down, the utility model has the advantages of prevent down that the rubber tube from blockking up, reducing the loss of manpower, material resources, improve the efficiency of gluing production.

Claims

1. The anti-blocking glue discharging pipeline of the glue dispenser is characterized by comprising a glue discharging pipe, an upper sealing nut, a lower sealing nut, a glue amount adjusting mechanism and a glue discharging head, wherein the upper sealing nut and the lower sealing nut are respectively arranged at the upper end and the lower end of the glue discharging pipe;

the radius of the top end of the lower rubber tube is smaller than that of the bottom end of the lower rubber tube, the side wall of the middle part of the lower rubber tube is provided with a rubber supply port, the side wall of the bottom of the lower rubber tube is provided with a suction return port, and the rubber supply port and the suction return port are both communicated with the inner cavity of the lower rubber tube;

the upper sealing nut is fixedly inserted at the top end of the lower rubber tube, a first sealing ring is arranged between the outer wall of the upper sealing nut and the inner wall of the lower rubber tube, and a screw hole is formed in the middle of the upper sealing nut;

the lower sealing nut is fixedly screwed at the bottom end of the lower rubber tube, a first groove is formed in the top end of the lower sealing nut, a fixed seat is arranged at the bottom end of the first groove, a rubber leakage gap is formed between the fixed seat and the inner wall of the first groove, an inserting groove is formed in the middle of the fixed seat, rubber leakage holes are formed in the bottom of the lower sealing nut at intervals in an inclined mode, the top end of each rubber leakage hole is communicated with the corresponding rubber leakage gap, and the bottom end of each rubber leakage hole penetrates through the bottom end of the lower sealing nut downwards;

the glue amount adjusting mechanism comprises a limiting rod, an adjusting valve, a first diaphragm and a spring, the limiting rod is vertically arranged in the inner cavity of the lower rubber pipe, the bottom end of the limiting rod is fixedly inserted in the slot, the regulating valve is positioned at the top of the upper sealing nut, the bottom of the regulating valve is screwed in the screw hole, the bottom of the regulating valve is provided with a second groove, the top of the limiting rod penetrates into the second groove upwards, the first diaphragm is movably sleeved on the limiting rod, and the first diaphragm is positioned between the glue supply port and the suction return port, the radius of the first diaphragm is larger than the radius of the top end of the lower rubber hose and smaller than the radius of the bottom end of the lower rubber hose, the spring is sleeved on the limiting rod and is respectively arranged at the upper end and the lower end of the first diaphragm;

the bottom of lower seal nut is provided with glues first fixed block, the jack has been seted up at the middle part of gluing the first fixed block, the top of dispensing is fixed to be pegged graft in the jack, and leak gluey hole with the inner chamber intercommunication of dispensing, the outer wall of dispensing with be provided with the second sealing washer between the inner wall of jack.

2. A leakage-proof glue-discharging pipe of a glue dispenser according to claim 1, wherein a second diaphragm is movably sleeved on the limiting rod, the second diaphragm is located at the upper part of the glue supply port, the radius of the second diaphragm is larger than the radius of the top end of the glue-discharging pipe and smaller than the radius of the bottom end of the glue-discharging pipe, and the springs are respectively arranged between the first diaphragm and the top of the fixing seat, between the first diaphragm and the second diaphragm, and between the second diaphragm and the bottom of the regulating valve.

3. The anti-leaking glue-dropping pipe of the glue dispenser as claimed in claim 1, wherein the inclination angle between the top end and the bottom end of the inner wall of the glue-dropping pipe is 0.5 degrees.

4. A leakage-proof glue-discharging pipe of a glue dispenser as claimed in claim 1, wherein the outer wall of the glue-discharging pipe is provided with a fixing notch.