CN104941874B - A kind of glue dispensing valve and a kind of glue spreader - Google Patents

A kind of glue dispensing valve and a kind of glue spreader Download PDF

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Publication number
CN104941874B
CN104941874B CN201510410611.8A CN201510410611A CN104941874B CN 104941874 B CN104941874 B CN 104941874B CN 201510410611 A CN201510410611 A CN 201510410611A CN 104941874 B CN104941874 B CN 104941874B
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China
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glue
gluing
chamber
valve element
valve
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CN104941874A (en
Inventor
王伟
焦志刚
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Foshan Electrical and Lighting Co Ltd
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Foshan Electrical and Lighting Co Ltd
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Abstract

The invention discloses a kind of glue dispensing valve, including valve body and valve element, the valve body is provided with drive mechanism and rubber-coated mechanism, and the drive mechanism is used to drive valve element up and down, the valve element is in the valve body and connects the drive mechanism and rubber-coated mechanism, and the lower end of the valve element is provided with gluing head;The valve element lower end is provided with gum outlet, and the gluing head follows valve element to move up and down, to close the gum outlet or cooperatively form gluing collar extension with the gum outlet.Wherein, the mating surface of the gum outlet and the gluing head is the inclined-plane tilted down.The invention also discloses a kind of glue spreader.The upper end of gluing head of the present invention is provided with glue guiding mechanism, and glue is more flowed uniformly into the space between gluing head and glue guiding mechanism by the arrangement of the glue channel, it is ensured that the uniformity of the glue flowed out from the gluing collar extension.

Description

A kind of glue dispensing valve and a kind of glue spreader
Technical field
The present invention relates to a kind of glue spreading apparatus, more particularly to a kind of glue dispensing valve and a kind of glue spreader.
Background technology
In illuminator production field, manufacturing enterprise usually needs to apply glue at lamp holder, makes lamp holder and bulb or lamp Pipe is bonded, so as to be assembled into complete illuminator.Because the bond site of lamp holder is annular, needed during gluing equably in ring A circle glue is coated on shape part, just can guarantee that bonding is firm.The gluing work of illumination manufacturing enterprise now typically passes through workman Have been manually done, labor strength is big, cost of labor is high, and gluing quality cannot be guaranteed.
Some Enterprises repack the gluing machinery with annular gluing function into by existing point gum machine plus rotating mechanism. Rotating mechanism horizontally rotates lamp holder, and then the Glue dripping head of point gum machine, which is stretched into, starts gluing in lamp holder, pass through being rotated in for lamp holder The glue circle of annular is formed in lamp holder.The rotary speed of this mechanical point gum machine gel quantity and rotating mechanism must accurately match somebody with somebody Close, once the gel quantity of point gum machine is unstable, glue circle will be caused uneven, influence bonding quality.And in practical operation, dispensing The Glue dripping head of machine is built up due to glue in its surrounding, and the gel quantity of Glue dripping head is extremely difficult to keep stable.Because gluing is very few caused Lamp holder comes off with bulb or fluorescent tube, or gluing excessively causes the outward appearance of glue effect of flood light fixture, is puzzlement illuminator production The a great problem of enterprise.
The content of the invention
The technical problems to be solved by the invention are there is provided a kind of glue dispensing valve and a kind of glue spreader, can be disposably to lamp Head carries out annular gluing, and gluing is uniform, gluing efficiency high, reliable operation, features simple structure.
In order to solve the above-mentioned technical problem, the invention provides a kind of glue dispensing valve, including valve body and valve element, the valve body is set There are drive mechanism and rubber-coated mechanism, the drive mechanism is used to drive valve element up and down, and the valve element is in the valve body And the drive mechanism and rubber-coated mechanism are connected,
The rubber-coated mechanism is included in the glue chamber formed in the valve body, and the glue chamber top is provided with glue-feeder, under End is provided with the gum outlet being in communication with the outside;
The bottom of the valve element is located in the glue chamber, and the lower end of the valve element is provided with gluing head;
The upper end of the gluing head is provided with glue guiding mechanism, the side wall of the glue guiding mechanism and the cavity wall of glue chamber Abut, the glue channel of the glue guiding mechanism upper surface and lower surface is communicated with the glue guiding mechanism;
The side profile of the gluing head is matched with the gum outlet, and the gluing head follows valve element to move up and down, to seal Close the gum outlet or cooperatively form gluing collar extension with the gum outlet;
The mating surface of the gum outlet and the gluing head is the inclined-plane tilted down.
As the improvement of such scheme, the lower surface of the gluing head is provided with depressed part.
As the improvement of such scheme, the edge of the depressed part is close to the lower surface edge of the gluing head.
As the improvement of such scheme, the glue guiding mechanism includes cylindrical body, and the cylindrical body is provided with The glue channel moved towards vertically, the glue channel connects the cylindrical body upper surface and lower surface.
As the improvement of such scheme, four glue channels are circumferentially equidistant to be arranged in the cylindrical body.
As the improvement of such scheme, on the gluing head, positioned at the mating surface of the gluing head and the gum outlet Junction is provided with buffer platform, and the buffer platform includes horizontal part and arcuate guide portion.
As the improvement of such scheme, glue guiding mechanism and gluing head are integrally formed, and are secured by bolts in described The lower end of valve element.
As the improvement of such scheme, the drive mechanism is included in the driving chamber formed in valve body, the driving chamber position In the top of the glue chamber, the valve element is through to glue chamber from the driving chamber, and the top of the valve element is located at described drive In dynamic chamber, the valve element top is provided with piston, and the piston is abutted with the cavity wall of driving chamber, the upper and lower part of the driving chamber It is respectively equipped with the first passage and the second passage.
Being provided with as the improvement of such scheme, between the driving chamber and glue chamber is used to ensure the driving chamber and glue The spring sealed circle of the sealing of the relatively described valve element of chamber, the spring sealed circle is provided with O-ring seal.
Correspondingly, present invention also offers a kind of glue spreader, including glue feed mechanism, air pressure control mechanism, frame and lamp holder Transmitting device, the frame is provided with glue dispensing valve as described above, and the glue feed mechanism is used to provide for the rubber-coated mechanism Glue, the air pressure control mechanism provides driving air pressure for the drive mechanism, and the lamp holder transmitting device is to be coated for driving The lamp holder movement of glue, the predetermined position that the lamp holder for treating gluing is socketed in into glue dispensing valve carries out gluing.
Implement the present invention, have the advantages that:
The upper end of gluing head of the present invention is provided with glue guiding mechanism, side wall and the glue chamber of the glue guiding mechanism Cavity wall abut, the glue that the glue guiding mechanism upper surface and lower surface are communicated with the glue guiding mechanism leads to Road, glue more flows uniformly into gluing head with the space of glue guiding mechanism, protecting by the arrangement of the glue channel Demonstrate,prove the uniformity of the glue flowed out from the gluing collar extension.
The mating surface of gum outlet of the present invention and the gluing head is the inclined-plane tilted down, relative to horizontally disposed Gluing mouthful, mating surface, which is tilted down, can play a part of glue to push below lamp holder, reduce glue due to internal pressure And flowed up along the gap of lamp holder inwall and valve outer wall, it is to avoid the outer wall adhesion of glue and valve body and influence gluing effect.
Brief description of the drawings
Fig. 1 is a kind of working state schematic representation of glue dispensing valve of the invention;
Fig. 2 is a kind of internal structure schematic diagram of glue dispensing valve of the invention;
Fig. 3 is Fig. 2 A portions enlarged drawing;
Fig. 4 is a kind of top view of the glue guiding mechanism of glue dispensing valve of the invention;
Fig. 5 is Fig. 2 B portions enlarged drawing;
Fig. 6 is a kind of gluing view of glue dispensing valve of the invention;
Fig. 7 is the horizontally disposed gluing view of gluing mouthful of the present invention;
Fig. 8 is the gluing view that gluing head lower surface of the present invention is not provided with depressed part;
Fig. 9 is a kind of structured flowchart of glue spreader of the invention.
Embodiment
To make the object, technical solutions and advantages of the present invention clearer, the present invention is made into one below in conjunction with accompanying drawing It is described in detail on step ground.
As Figure 1-Figure 5, the embodiments of the invention provide a kind of glue dispensing valve, including valve body 1 and valve element 2, the valve body 1 Provided with drive mechanism and rubber-coated mechanism, the drive mechanism is used to drive valve element 2 up and down, and the valve element 2 is located at the valve Body 1 is interior and connects the drive mechanism and rubber-coated mechanism,
The rubber-coated mechanism is included in the glue chamber 3 formed in the valve body 1, and the top of glue chamber 3 is provided with glue-feeder 4, lower end is provided with the gum outlet 5 being in communication with the outside;
The bottom of the valve element 2 is located in the glue chamber 3, and the lower end of the valve element 2 is provided with gluing head 6;
The upper end of the gluing head 6 is provided with glue guiding mechanism 7, side wall and the glue chamber 3 of the glue guiding mechanism 7 Cavity wall is abutted, and the glue of the upper surface 71 of glue guiding mechanism 7 and lower surface 72 is communicated with the glue guiding mechanism 7 Passage 8;
The side profile of the gluing head 6 is matched with the gum outlet 5, and the gluing head 6 follows valve element 2 to move up and down, To close the gum outlet 5 or cooperatively form gluing collar extension 9 with the gum outlet 5;
With reference to Fig. 6 and Fig. 7, the mating surface of the gum outlet 5 and the gluing head 6 is the inclined-plane 10 tilted down.Relatively In horizontally disposed gluing mouthful, mating surface, which is tilted down, can play a part of glue to push below lamp holder, reduce glue Flowed up due to internal pressure along the gap of lamp holder inwall and the outer wall of valve body 1, it is to avoid the outer wall adhesion of glue and valve body 1 and Influence gluing effect.
The present invention operation principle be:The front end of the valve body 1 is stretched into lamp holder, or lamp holder is socketed in into the front end of valve body 1. The drive mechanism promotes valve element 2 to move down, and valve element 2 promotes gluing head 6 to move down, and is cooperatively formed with the gum outlet 5 Gluing collar extension 9, glue is flowed out from the gluing collar extension 9, and the glue circle of annular is formed in lamp holder inwall.Then the driving machine Structure promotes valve element 2 to move up, and valve element 2 promotes gluing head 6 to move up, and the gum outlet 5 is closed, valve body 1 is from lamp holder Remove, gluing is completed.
The upper end of gluing head 6 of the present invention is provided with glue guiding mechanism 7, the side wall and glue of the glue guiding mechanism 7 The cavity wall of water cavity 3 is abutted, and the upper surface 71 of glue guiding mechanism 7 and lower surface are communicated with the glue guiding mechanism 7 72 glue channel 8, glue more flows uniformly into gluing head 6 and glue Guiding machine by the arrangement of the glue channel 8 In the space of structure 7, it is ensured that the uniformity of the glue flowed out from the gluing collar extension 9.
Wherein, the drive mechanism is included in the driving chamber 11 formed in valve body 1, and the driving chamber 11 is located at the glue The top of chamber 3, the valve element 2 is through to glue chamber 3 from the driving chamber 11, and the top of the valve element 2 is located at the driving chamber In 11, the top of valve element 2 is provided with piston 12, and the piston 12 abuts with the cavity wall of driving chamber 11, the driving chamber 11 it is upper Portion and bottom are respectively equipped with the first passage 13 and the second passage 14.The passage 14 of first passage 13 and second is mutual Ordinatedly air inlet or exhaust, forms pressure differential in driving chamber 11, promotes the piston 12 to move up and down.
Preferably, with reference to Fig. 6 and Fig. 8, the lower surface of the gluing head 6 is provided with depressed part 15.The side of the depressed part 15 Along the lower surface edge close to the gluing head 6.The depressed part 15 causes the contact area of gluing head 6 and the glue on lamp holder Reduce, it is to avoid after the completion of gluing, gluing head 6 itself is damaged to the glue coated on lamp holder when glue dispensing valve removes lamp holder. Specifically, if as shown in figure 8, the lower surface of the gluing head 6 be plane, that is, be not provided with the depressed part 15, gluing mistake The lower surface of gluing head 6 will in relatively large area be contacted with glue in journey, when valve body 1 removes lamp holder, and the glue on lamp holder will be with The lower surface of gluing head 6 is pullled and causes gluing uneven, or glue sites disunity.
Preferably, the glue guiding mechanism 7 includes cylindrical body 16, and the cylindrical body 16 is provided with vertical trend Glue channel 8, the glue channel 8 connects the upper surface 71 of cylindrical body 16 and lower surface 72.Glue enters glue After chamber 3 is buffered, the less glue channel 8 of diameter is flowed through, finally uniformly the upper of gluing head 6 is flowed out to from each glue channel 8 Side, improves the uniformity of glue sustainable supply.
The glue channel 8 should be equally spaced, and its quantity can be 3,4,6 or 8 etc., specifically according to application Occasion is flexibly set.Wherein, the present embodiment includes four circumferentially equidistant glue channels being arranged in the cylindrical body 16 8。
Preferably, it is provided with the gluing head 6, positioned at the gluing head 6 and the junction of the mating surface of the gum outlet 5 Buffer platform 17, the buffer platform 17 includes horizontal part 18 and arcuate guide portion 19.The upper surface of the arcuate guide portion 19 Can be to the inclined inclined-plane of gum outlet 5.After glue flows out from glue channel 8, by the guiding of the arcuate guide portion 19 Effect, then the buffering by horizontal part 18 and aggregation, the glue of the upper surface of gluing head 6 becomes continuous uniform again, is every The opening of secondary gluing head 6 is prepared.
Preferably, glue guiding mechanism 7 and gluing head 6 are integrally formed, and are fixed on by bolt 20 under the valve element 2 End.When the gluing head 6 or glue guiding mechanism 7, which are blocked or are damaged, to need repairing, it is only necessary to the fixed valve element 2 The bolt 20 of lower end is removed, and the gluing head 6 and glue guiding mechanism 7 can be split out from the lower end of valve body 1, be easy to regular maintenance.
Preferably, being provided between the driving chamber 11 and glue chamber 3 is used to ensure that the driving chamber 11 and glue chamber 3 are relative The spring sealed circle 21 of the sealing of the valve element 2, the spring sealed circle 21 is provided with O-ring seal 22.
With reference to Fig. 9, correspondingly, present invention also offers a kind of glue spreader, including glue feed mechanism 23, air pressure control mechanism 24th, frame 25 and lamp holder transmitting device 26, the frame 25 is provided with glue dispensing valve 27 as described above, the glue feed mechanism 23 For providing glue for the rubber-coated mechanism, the air pressure control mechanism 24 provides driving air pressure for the drive mechanism, described Lamp holder transmitting device 26 is used to drive the lamp holder movement for treating gluing, and the lamp holder for treating gluing is socketed in the predetermined position of glue dispensing valve 27 Carry out gluing.The lamp holder transmitting device 26 can include existing vibratory sieve, transmission belt and mechanical arm, the used by oscillating screen in Storage treats the lamp holder of gluing and lamp holder is transported into transmission belt one by one, and the transmission belt is used to lamp holder being transported to the pre- of mechanical arm Positioning is put, and the mechanical arm is used for the gluing position that lamp holder is clamped to glue dispensing valve from transmission belt, carries out gluing.
Glue spreader of the present invention can disposably carry out annular gluing to lamp holder, and gluing is uniform, gluing efficiency high, and work can Lean on, features simple structure.
The glue spreader is provided with glue dispensing valve 27, and the upper end of the gluing head 6 of the glue dispensing valve 27 is provided with glue guiding mechanism 7, The side wall of the glue guiding mechanism 7 is abutted with the cavity wall of glue chamber 3, and the glue is communicated with the glue guiding mechanism 7 The upper surface 71 of water guiding mechanism 7 and the glue channel 8 of lower surface 72, glue is by the arrangement of the glue channel 8, more uniformly Ground is flowed into the space of gluing head 6 and glue guiding mechanism 7, it is ensured that the glue flowed out from the gluing collar extension 9 it is uniform Property.
The mating surface of the gum outlet 5 and the gluing head 6 is the inclined-plane 10 tilted down.Applied relative to horizontally disposed Jiao Kou, mating surface, which is tilted down, can play a part of glue to push below lamp holder, reduce glue due to internal pressure Flowed up along the gap of lamp holder inwall and the outer wall of valve body 1, it is to avoid the outer wall adhesion of glue and valve body 1 and influence gluing effect.
Above disclosed is only a kind of preferred embodiment of the invention, can not limit the power of the present invention with this certainly Sharp scope, therefore the equivalent variations made according to the claims in the present invention, still belong to the scope that the present invention is covered.

Claims (8)

1. a kind of glue dispensing valve, including valve body and valve element, the valve body are provided with drive mechanism and rubber-coated mechanism, the drive mechanism is used Up and down in driving valve element, the valve element is in the valve body and connects the drive mechanism and rubber-coated mechanism, and it is special Levy and be,
The rubber-coated mechanism is included in the glue chamber formed in the valve body, and the glue chamber top is provided with glue-feeder, and lower end is set There is the gum outlet being in communication with the outside;
The bottom of the valve element is located in the glue chamber, and the lower end of the valve element is provided with gluing head;
The upper end of the gluing head is provided with glue guiding mechanism, and the cavity wall of the side wall and glue chamber of the glue guiding mechanism is supported Connect, the glue channel of the glue guiding mechanism upper surface and lower surface is communicated with the glue guiding mechanism;
The side profile of the gluing head is matched with the gum outlet, and the gluing head follows valve element to move up and down, to close State gum outlet or cooperatively form gluing collar extension with the gum outlet;
The mating surface of the gum outlet and the gluing head is the inclined-plane tilted down;
The lower surface of the gluing head is provided with depressed part;
The edge of the depressed part is close to the lower surface edge of the gluing head.
2. glue dispensing valve as claimed in claim 1, it is characterised in that the glue guiding mechanism includes cylindrical body, described Cylindrical body is provided with the glue channel moved towards vertically, and the glue channel connects the cylindrical body upper surface and lower end Face.
3. glue dispensing valve as claimed in claim 2, it is characterised in that four glue channels are circumferentially equidistant to be arranged at the circle In cylindrical body.
4. glue dispensing valve as claimed in claim 2, it is characterised in that on the gluing head, positioned at the gluing head with it is described go out The junction of Jiao Kou mating surface is provided with buffer platform, and the buffer platform includes horizontal part and arcuate guide portion.
5. glue dispensing valve as claimed in claim 4, it is characterised in that glue guiding mechanism and gluing head are integrally formed, and are passed through Bolt is fixed on the lower end of the valve element.
6. glue dispensing valve as claimed in claim 1, it is characterised in that the drive mechanism is included in the driving formed in valve body Chamber, the driving chamber is located at the top of the glue chamber, and the valve element is through to glue chamber from the driving chamber, the valve element Top is located in the driving chamber, and the valve element top is provided with piston, and the piston is abutted with the cavity wall of driving chamber, the driving The upper and lower part of chamber is respectively equipped with the first passage and the second passage.
7. glue dispensing valve as claimed in claim 6, it is characterised in that being provided between the driving chamber and glue chamber is used to ensure institute The spring sealed circle of driving chamber and the sealing of the relatively described valve element of glue chamber is stated, the spring sealed circle is provided with O-shaped sealing Circle.
8. a kind of glue spreader, including glue feed mechanism, air pressure control mechanism, frame and lamp holder transmitting device, it is characterised in that described Frame is provided with the glue dispensing valve as described in claim any one of 1-7, and the glue feed mechanism is used to provide for the rubber-coated mechanism Glue, the air pressure control mechanism provides driving air pressure for the drive mechanism, and the lamp holder transmitting device is to be coated for driving The lamp holder movement of glue, the predetermined position that the lamp holder for treating gluing is socketed in into glue dispensing valve carries out gluing.
CN201510410611.8A 2015-07-14 2015-07-14 A kind of glue dispensing valve and a kind of glue spreader Active CN104941874B (en)

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CN104941874B true CN104941874B (en) 2017-10-13

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Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107009678B (en) * 2017-05-15 2019-02-26 遵义市兴英鹏塑料包装有限公司 Point glue equipment for sticky brown paper
CN109318319A (en) * 2018-11-02 2019-02-12 东莞市同步自动化技术有限公司 Edge banding machine and its squeegee apparatus
CN115672653A (en) * 2021-07-29 2023-02-03 苏州卓兆点胶股份有限公司 Two ingredient glue are with point glue system

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1990014898A1 (en) * 1989-06-10 1990-12-13 William Henry Woodward Fluid flow valve
CN201921804U (en) * 2010-12-30 2011-08-10 上海大学 High-pressure gas driven glue injector
CN202893602U (en) * 2012-09-17 2013-04-24 池向军 Glue gun
CN104107777A (en) * 2013-04-19 2014-10-22 海洋王(东莞)照明科技有限公司 Line-type gum dispersing machine and gum dispersing method for lamp ring of lamp by using line-type gum dispersing machine
CN204338422U (en) * 2014-12-15 2015-05-20 东莞优邦材料科技有限公司 A kind of some glue rifle
CN204933874U (en) * 2015-07-14 2016-01-06 佛山电器照明股份有限公司 A kind of glue dispensing valve and a kind of glue spreader

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN203030463U (en) * 2012-12-13 2013-07-03 广州正奇科技有限公司 Cylinder-type sucking-back dispensing valve
CN204153218U (en) * 2014-08-12 2015-02-11 上海锌裕机电设备有限公司 Pneumatic resorption valve

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1990014898A1 (en) * 1989-06-10 1990-12-13 William Henry Woodward Fluid flow valve
CN201921804U (en) * 2010-12-30 2011-08-10 上海大学 High-pressure gas driven glue injector
CN202893602U (en) * 2012-09-17 2013-04-24 池向军 Glue gun
CN104107777A (en) * 2013-04-19 2014-10-22 海洋王(东莞)照明科技有限公司 Line-type gum dispersing machine and gum dispersing method for lamp ring of lamp by using line-type gum dispersing machine
CN204338422U (en) * 2014-12-15 2015-05-20 东莞优邦材料科技有限公司 A kind of some glue rifle
CN204933874U (en) * 2015-07-14 2016-01-06 佛山电器照明股份有限公司 A kind of glue dispensing valve and a kind of glue spreader

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