阅读说明：本技术 一种用于电子产品上胶防止风干的出胶口 (Glue outlet for preventing air drying in gluing of electronic product ) 是由 王士明 于 2021-07-20 设计创作，主要内容包括：本发明涉及电子产品技术领域,且公开了一种用于电子产品上胶防止风干的出胶口,包括主体,所述主体顶部的两侧均固定连接有传动机构,主体的内侧固定连接有检测机构,检测机构的外侧固定连接有与主体的内壁固定连接的固定杆,检测机构的底部固定连接有密封机构,主体的内部且靠近检测机构的两侧均固定连接有发热丝。该用于电子产品上胶防止风干的出胶口,通过弹簧一挤压开合件运行,再通过气囊与活动触点的配合使用,当主体内部胶水温度过低时,在气囊的作用下,触点闭合,从而达到了使发热丝通电对主体内部发热的效果,有效防止不上胶时出胶口容易被风干的现象,从而避免出胶口堵塞的情况,有效保证了生产效率,实现了智能控制。(The invention relates to the technical field of electronic products and discloses a glue outlet for gluing and preventing air drying of an electronic product. This a play jiao kou that is used for electronic product rubberizing to prevent air-dry, extrude the piece operation of opening and shutting through spring, use through gasbag and movable contact's cooperation again, when the inside glue temperature of main part was crossed low, under the effect of gasbag, the contact is closed, thereby reached and made the effect that the heater circular telegram generates heat to the main part inside, go out jiao kou easily by air-dried phenomenon when effectively preventing not rubberizing, thereby avoid going out the condition that jiao kou blockked up, production efficiency has effectively been guaranteed, intelligent control has been realized.)

1. The utility model provides a be used for electronic product rubberizing to prevent air-dried play jiao kou, includes main part (1), its characterized in that: the improved heating device is characterized in that the transmission mechanism (2) is fixedly connected to the two sides of the top of the main body (1), the detection mechanism (3) is fixedly connected to the inner side of the main body (1), the fixing rod (4) is fixedly connected to the outer side of the detection mechanism (3) and the inner wall of the main body (1), the sealing mechanism (5) is fixedly connected to the bottom of the detection mechanism (3), and the heating wires (6) are fixedly connected to the two sides of the main body (1) and close to the detection mechanism (3).

2. The glue outlet of claim 1, wherein the glue outlet is used for preventing air drying during gluing of electronic products, and comprises: the quantity of dead lever (4) has four and evenly distributed in the outside of detection mechanism (3), and the material of dead lever (4) is stereoplasm high strength material, and heater (6) shape is irregular form and heater (6) evenly distributed in the inside of main part (1).

3. The glue outlet of claim 1, wherein the glue outlet is used for preventing air drying during gluing of electronic products, and comprises: the transmission mechanism (2) comprises an opening and closing piece (21), a dielectric plate (22) is fixedly connected to the inside of the opening and closing piece (21), a first magnetic block (23) is fixedly connected to the outside of the opening and closing piece (21) and close to the dielectric plate (22), a positive plate (24) is fixedly connected to the bottom of the main body (1) and close to the dielectric plate (22), a negative plate (25) is fixedly connected to the top of the main body (1) and close to the dielectric plate (22), a piezoresistor (26) is fixedly connected to the outside of the main body (1) and close to the negative plate (25), a first electromagnet (27) is fixedly connected to the bottom of the main body (1) and close to the piezoresistor (26), and a first spring (28) is fixedly connected to the outside of the opening and closing piece (21) and the top of the main body (1).

4. The glue outlet of claim 3, wherein the glue outlet is used for preventing air drying during gluing of electronic products, and comprises: the number of the opening and closing members (21) is two, the inner sides of the two opening and closing members (21) are mutually clamped, the opening and closing members (21) are arc-shaped, the materials of the opening and closing members (21) are hard high-strength materials, the size of the positive plate (24) is the same as that of the negative plate (25), and the larger the relative area of the positive plate (24) and the negative plate (25) is, the larger the circuit voltage flowing through the negative plate (25) is.

5. The glue outlet of claim 4, wherein the glue outlet is used for preventing air drying during gluing of electronic products, and comprises: the minimum pass voltage of the piezoresistor (26) is smaller than the maximum circuit voltage passing through the negative plate (25), the piezoresistor (26) is electrically connected with the heating wire (6), the magnetism generated on the inner side of the electromagnet I (27) is opposite to the magnetism on the outer side of the magnetic block I (23), the size of the electromagnet I (27) is smaller than that of the main body (1), the spring I (28) is a compression spring, and the diameter of the spring I (28) is smaller than the width of the opening and closing piece (21).

6. The glue outlet of claim 1, wherein the glue outlet is used for preventing air drying during gluing of electronic products, and comprises: the detection mechanism (3) comprises a limiting block (31), a movable groove (32) is formed in the limiting block (31), an air bag (33) is fixedly connected to the bottom of the movable groove (32), a movable block (34) is fixedly connected to the top of the air bag (33), a movable contact (35) is fixedly connected to the top of the movable block (34), and fixed contacts (36) which are in sliding connection with the outer sides of the movable contacts (35) are fixedly connected to the two sides of the movable groove (32).

7. The glue outlet of claim 6, wherein the glue outlet is used for preventing air drying during gluing of electronic products, and comprises: the shape of stopper (31) is the spheroid and the material of stopper (31) is the stereoplasm high strength material, and the inside packing of gasbag (33) has gas and gas is the air, and movable contact (35) and heater (6) electric connection, and the shape of fixed contact (36) is the rectangle.

8. The glue outlet of claim 1, wherein the glue outlet is used for preventing air drying during gluing of electronic products, and comprises: sealing mechanism (5) are including fixed block (51), the inside fixedly connected with electro-magnet two (52) of fixed block (51), the bottom fixedly connected with of electro-magnet two (52) and inner diapire fixed connection's of main part (1) ball sealer (53), the inside fixedly connected with of ball sealer (53) magnet two (54), the top fixedly connected with of ball sealer (53) and the bottom fixedly connected's of fixed block (51) spring two (55).

9. The glue outlet of claim 8, wherein the glue outlet is used for preventing air drying during gluing of electronic products, and comprises: the magnetism generated at the bottom of the electromagnet II (52) is opposite to the magnetism at the top of the magnetic block II (54), the size of the electromagnet II (52) is smaller than that of the fixed block (51), the sealing ball (53) is in a spherical shape, the sealing ball (53) is made of a hard high-strength material, the spring II (55) is a compression spring, and the diameter of the spring II (55) is smaller than the width of the sealing ball (53).

Technical Field

The invention relates to the technical field of electronic products, in particular to a glue outlet for gluing and preventing air drying of an electronic product.

Background

The electronic product is related products based on electric energy, mainly comprises a watch, a smart phone, a telephone, a television, a computer and the like, and mainly relates to the application of an integrated circuit, so that the electronic product has the directional development of high efficiency, low consumption, high precision, high stability and intellectualization, glue is frequently applied when the electronic product is processed, but the phenomenon of air drying of a glue outlet is easily caused in the process of applying the glue.

Electronic product adds man-hour in production, need use glue to glue the internals, can prevent that the internals from appearing rocking and droing, but when gluing in-process play jiao kou intermittent type goes out to glue, causes out the condition that jiao kou was air-dried easily, leads to out jiao kou to block up easily to influence out gluey volume, the rubberizing during operation leads to the unable condition of going out gluey, thereby influences the working progress.

Therefore, we propose a glue outlet for preventing air drying in gluing electronic products to solve the above problems.

Disclosure of Invention

Technical problem to be solved

Aiming at the defects of the prior art, the invention provides the glue outlet for gluing the electronic product to prevent air drying, which has the advantages of effectively preventing the glue outlet from air drying in the gluing process, effectively ensuring the production progress, and solving the problem that the glue outlet is blocked due to the air drying of the glue outlet caused by the frequent intermittent condition during gluing the electronic product.

(II) technical scheme

In order to effectively prevent the glue outlet from air drying in the gluing process and effectively ensure the production progress, the invention provides the following technical scheme: the utility model provides a be used for electronic product rubberizing to prevent air-dried play jiao kou, includes the main part, the equal fixedly connected with drive mechanism in both sides at main part top, the inboard fixedly connected with detection mechanism of main part, the outside fixedly connected with of detection mechanism and the inner wall fixed connection's of main part dead lever, the bottom fixedly connected with sealing mechanism of detection mechanism, the inside of main part and the equal fixedly connected with heater in both sides that is close to detection mechanism.

Further, the quantity of dead lever has four and evenly distributed in detection mechanism's the outside, and the material of dead lever is stereoplasm high strength material, and the dead lever plays fixed effect, and the heater shape is irregular form and heater evenly distributed in the inside of main part, and the heater plays the effect of generating heat.

Further, drive mechanism includes the piece that opens and shuts, the inside fixedly connected with of piece that opens and shuts has the dielectric plate, the inside of piece that opens and shuts just is close to the outside fixedly connected with magnetic path one of dielectric plate, the inside of main part just is close to the bottom fixedly connected with positive plate of dielectric plate, the inside of main part just is close to the top fixedly connected with negative plate of dielectric plate, the inside of main part just is close to the outside fixedly connected with piezo-resistor of negative plate, the inside of main part just is close to piezo-resistor's bottom fixedly connected with electro-magnet one, the outside fixedly connected with of piece that opens and shuts and the top fixedly connected with spring one of main part.

Further, the quantity of opening and shutting piece has two and two mutual joints of inboard of opening and shutting piece, and the shape of opening and shutting piece is the stereoplasm high strength material for the material of arc and opening and shutting piece, and the opening and shutting piece plays the effect that the mouth was glued to the switch play, and the positive plate size is the same with the negative plate size and the positive plate is big more the circuit voltage that flows through the negative plate with the relative area of negative plate, and the positive plate plays the effect of switching on the break-make with the negative plate opposite face.

Furthermore, the minimum pass voltage of the piezoresistor is smaller than the maximum circuit voltage of the negative plate, the piezoresistor is electrically connected with the heating wire, the piezoresistor plays a role in connecting and disconnecting the circuit, the magnetism generated on the inner side of the electromagnet is opposite to that of the outer side of the first magnetic block, the size of the first electromagnet is smaller than that of the main body, the electromagnet plays a role in magnetic transmission, the first spring is a compression spring, the diameter of the first spring is smaller than the width of the opening and closing piece, and the first spring plays a role in moving the opening and closing piece towards the inner side.

Further, the detection mechanism comprises a limiting block, a movable groove is formed in the limiting block, an air bag is fixedly connected to the bottom of the movable groove, a movable block is fixedly connected to the top of the air bag, a movable contact is fixedly connected to the top of the movable block, and fixed contacts which are connected with the outer side of the movable contact in a sliding mode are fixedly connected to the two sides of the movable groove.

Further, the shape of stopper is spheroid and the material of stopper is stereoplasm high strength material, and the stopper plays fixed effect, and the inside packing of gasbag has gaseous and gaseous for the air, and the gasbag plays driven effect, movable contact and heater electric connection, and fixed contact's shape is the rectangle, and movable contact and fixed contact play the effect of intercommunication circuit.

Further, sealing mechanism includes the fixed block, the inside fixedly connected with electro-magnet two of fixed block, the bottom fixedly connected with of electro-magnet two and the inner diapire fixed connection's of main part ball sealer, the inside fixedly connected with magnetic path two of ball sealer, the top fixedly connected with of ball sealer and the bottom fixed connection's of fixed block spring two.

Furthermore, the shape of fixed block is the arc, and the magnetism that produces second electromagnet bottom is opposite with the magnetism at second magnetic path top and second electromagnet's size is less than the size of fixed block, and second electromagnet plays the driven effect of magnetism, and the shape of ball sealer is that the material of spheroid and ball sealer is stereoplasm high strength material, and the ball sealer plays sealed effect, and spring two is compression spring and the diameter of spring two is less than the width of ball sealer, and spring two plays the effect with ball sealer to the bottom removal.

(III) advantageous effects

Compared with the prior art, the invention provides the glue outlet for gluing the electronic product to prevent air drying, and the glue outlet has the following beneficial effects:

1. this a play jiao kou that is used for electronic product rubberizing to prevent air-dry, extrude the piece operation of opening and shutting through spring, use through gasbag and movable contact's cooperation again, when the inside glue temperature of main part was crossed low, under the effect of gasbag, the contact is closed, thereby reached and made the effect that the heater circular telegram generates heat to the main part inside, go out jiao kou easily by air-dried phenomenon when effectively preventing not rubberizing, thereby avoid going out the condition that jiao kou blockked up, production efficiency has effectively been guaranteed, intelligent control has been realized.

2. This a play jiao kou that is used for electronic product rubberizing to prevent air-dry drives a magnetic path operation through electro-magnet one, and rethread negative plate uses with piezo-resistor's cooperation, and when needs rubberizing, the opening and shutting piece is opened, and the circuit voltage that flows through the negative plate is less than piezo-resistor's access voltage, and at this moment the heater does not switch on, does not heat the purpose to the main part when effectively realizing the rubberizing to save some energy consumptions.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic structural diagram of a detecting mechanism according to the present invention;

FIG. 3 is a schematic view of the opening structure of the opening member of the present invention;

figure 4 is a schematic view of the balloon inflation structure of the present invention.

In the figure: 1. a main body; 2. a transmission mechanism; 21. opening and closing the piece; 22. a dielectric plate; 23. a first magnetic block; 24. a positive plate; 25. a negative plate; 26. a voltage dependent resistor; 27. an electromagnet I; 28. a first spring; 3. a detection mechanism; 31. a limiting block; 32. a movable groove; 33. an air bag; 34. a moving block; 35. a movable contact; 36. a fixed contact; 4. fixing the rod; 5. a sealing mechanism; 51. a fixed block; 52. an electromagnet II; 53. a sealing ball; 54. a second magnetic block; 55. a second spring; 6. a heating wire.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

The first embodiment is as follows:

referring to fig. 1 and 3, a glue outlet for preventing air drying in gluing of electronic products comprises a main body 1, a transmission mechanism 2 fixedly connected to both sides of the top of the main body 1, a detection mechanism 3 fixedly connected to the inner side of the main body 1, a fixing rod 4 fixedly connected to the outer side of the detection mechanism 3 and the inner wall of the main body 1, a sealing mechanism 5 fixedly connected to the bottom of the detection mechanism 3, and heating wires 6 fixedly connected to both sides of the inside of the main body 1 and close to the detection mechanism 3.

Further, the quantity of dead lever 4 has four and evenly distributed in detection mechanism 3's the outside, and the material of dead lever 4 is stereoplasm high strength material, and dead lever 4 plays fixed effect, and heater 6 shape is irregular form and heater 6 evenly distributed in the inside of main part 1, and heater 6 plays the effect of generating heat.

Further, the transmission mechanism 2 includes an opening and closing member 21, a dielectric plate 22 is fixedly connected to the inside of the opening and closing member 21, a first magnetic block 23 is fixedly connected to the inside of the opening and closing member 21 and the outside close to the dielectric plate 22, a positive plate 24 is fixedly connected to the inside of the main body 1 and the bottom close to the dielectric plate 22, a negative plate 25 is fixedly connected to the inside of the main body 1 and the top close to the dielectric plate 22, a piezoresistor 26 is fixedly connected to the inside of the main body 1 and the outside close to the negative plate 25, a first electromagnet 27 is fixedly connected to the inside of the main body 1 and the bottom close to the piezoresistor 26, and a first spring 28 is fixedly connected to the outside of the opening and closing member 21 and the top of the main body 1.

Furthermore, the number of the opening and closing members 21 is two, the inner sides of the two opening and closing members 21 are mutually clamped, the opening and closing members 21 are arc-shaped, the material of the opening and closing members 21 is a hard high-strength material, the opening and closing members 21 play a role of opening and closing a glue outlet, the size of the positive plate 24 is the same as that of the negative plate 25, the larger the relative area between the positive plate 24 and the negative plate 25 is, the larger the circuit voltage flowing through the negative plate 25 is, and the opposite surfaces between the positive plate 24 and the negative plate 25 play a role of opening and closing.

Further, the minimum path voltage of the piezoresistor 26 is smaller than the maximum circuit voltage passing through the negative plate 25, the piezoresistor 26 is electrically connected with the heating wire 6, the piezoresistor 26 plays a role in connecting and disconnecting the circuit, the magnetism generated on the inner side of the electromagnet I27 is opposite to the magnetism on the outer side of the magnetic block I23, the size of the electromagnet I27 is smaller than that of the main body 1, the electromagnet I27 plays a role in magnetic transmission, the spring I28 is a compression spring, the diameter of the spring I28 is smaller than the width of the opening piece 21, and the spring I28 plays a role in moving the opening piece 21 to the inner side.

Example two:

referring to fig. 1-4, a glue outlet for gluing an electronic product to prevent air drying comprises a main body 1, a transmission mechanism 2 fixedly connected to both sides of the top of the main body 1, a detection mechanism 3 fixedly connected to the inner side of the main body 1, a fixing rod 4 fixedly connected to the outer side of the detection mechanism 3 and the inner wall of the main body 1, a sealing mechanism 5 fixedly connected to the bottom of the detection mechanism 3, and heating wires 6 fixedly connected to both sides of the inside of the main body 1 and close to the detection mechanism 3.

Further, the quantity of dead lever 4 has four and evenly distributed in detection mechanism 3's the outside, and the material of dead lever 4 is stereoplasm high strength material, and dead lever 4 plays fixed effect, and heater 6 shape is irregular form and heater 6 evenly distributed in the inside of main part 1, and heater 6 plays the effect of generating heat.

Further, the detection mechanism 3 includes a limiting block 31, a movable groove 32 is provided inside the limiting block 31, an air bag 33 is fixedly connected to the bottom of the movable groove 32, a moving block 34 is fixedly connected to the top of the air bag 33, a movable contact 35 is fixedly connected to the top of the moving block 34, and fixed contacts 36 which are slidably connected to the outer sides of the movable contact 35 are fixedly connected to the two sides of the movable groove 32.

Further, the shape of stopper 31 is the spheroid and the material of stopper 31 is the stereoplasm high strength material, and stopper 31 plays fixed effect, and the inside packing of gasbag 33 has gas and gas to be the air, and gasbag 33 plays driven effect, and movable contact 35 and heater 6 electric connection, fixed contact 36 are the rectangle, and movable contact 35 and fixed contact 36 contact play the effect of intercommunication circuit.

Example three:

referring to fig. 1 and 3, a glue outlet for preventing air drying in gluing of electronic products comprises a main body 1, a transmission mechanism 2 fixedly connected to both sides of the top of the main body 1, a detection mechanism 3 fixedly connected to the inner side of the main body 1, a fixing rod 4 fixedly connected to the outer side of the detection mechanism 3 and the inner wall of the main body 1, a sealing mechanism 5 fixedly connected to the bottom of the detection mechanism 3, and heating wires 6 fixedly connected to both sides of the inside of the main body 1 and close to the detection mechanism 3.

Further, the quantity of dead lever 4 has four and evenly distributed in detection mechanism 3's the outside, and the material of dead lever 4 is stereoplasm high strength material, and dead lever 4 plays fixed effect, and heater 6 shape is irregular form and heater 6 evenly distributed in the inside of main part 1, and heater 6 plays the effect of generating heat.

Further, the sealing mechanism 5 comprises a fixed block 51, a second electromagnet 52 is fixedly connected inside the fixed block 51, a sealing ball 53 fixedly connected with the inner bottom wall of the main body 1 is fixedly connected to the bottom of the second electromagnet 52, a second magnetic block 54 is fixedly connected inside the sealing ball 53, and a second spring 55 fixedly connected with the bottom of the fixed block 51 is fixedly connected to the top of the sealing ball 53.

Further, the fixed block 51 is arc-shaped, the magnetism generated at the bottom of the electromagnet II 52 is opposite to the magnetism at the top of the magnetic block II 54, the size of the electromagnet II 52 is smaller than that of the fixed block 51, the electromagnet II 52 plays a role in magnetic transmission, the sealing ball 53 is spherical and is made of hard high-strength material, the sealing ball 53 plays a role in sealing, the spring II 55 is a compression spring, the diameter of the spring II 55 is smaller than the width of the sealing ball 53, and the spring II 55 plays a role in moving the sealing ball 53 to the bottom.

Example four:

referring to fig. 1-4, a glue outlet for gluing an electronic product to prevent air drying includes a main body 1, a transmission mechanism 2 is fixedly connected to both sides of the top of the main body 1, the transmission mechanism 2 includes an opening and closing member 21, the number of the opening and closing member 21 is two, the inner sides of the two opening and closing members 21 are clamped with each other, the opening and closing member 21 is arc-shaped, the opening and closing member 21 is made of a hard high-strength material, the opening and closing member 21 plays a role of opening and closing the glue outlet, a dielectric plate 22 is fixedly connected to the inside of the opening and closing member 21, a first magnetic block 23 is fixedly connected to the outside of the inside of the opening and closing member 21 and close to the dielectric plate 22, a positive plate 24 is fixedly connected to the bottom of the inside of the main body 1 and close to the dielectric plate 22, the size of the positive plate 24 is the same as that of the negative plate 25, and the larger the relative area of the positive plate 24 and the negative plate 25 is, the larger the circuit voltage flows through the negative plate 25, the opposite surfaces of the positive plate 24 and the negative plate 25 play a role of opening and closing the circuit.

A negative plate 25 is fixedly connected to the inside of the main body 1 and the top of the dielectric plate 22, a piezoresistor 26 is fixedly connected to the inside of the main body 1 and the outside of the negative plate 25, the minimum path voltage of the piezoresistor 26 is smaller than the maximum circuit voltage passing through the negative plate 25, the piezoresistor 26 is electrically connected with the heating wire 6, the piezoresistor 26 plays a role in connecting and disconnecting the circuit, an electromagnet I27 is fixedly connected to the inside of the main body 1 and the bottom of the piezoresistor 26, the magnetism generated inside the electromagnet I27 is opposite to the magnetism outside the magnetic block I23, the size of the electromagnet I27 is smaller than that of the main body 1, the electromagnet I27 plays a role in magnetic transmission, a spring I28 fixedly connected to the top of the main body 1 is fixedly connected to the outside of the opening and closing member 21, the spring I28 is a compression spring, the diameter of the spring I28 is smaller than the width of the opening and closing member 21, and the spring I28 plays a role in moving the opening and closing member 21 to the inner side, the inboard fixedly connected with detection mechanism 3 of main part 1, detection mechanism 3 includes stopper 31, and stopper 31's shape is spheroid and stopper 31's material for stereoplasm high strength material, and stopper 31 plays fixed effect, and movable groove 32 has been seted up to stopper 31's inside, and movable groove 32's bottom fixedly connected with gasbag 33, the inside packing of gasbag 33 have gaseous and gaseous for the air, and gasbag 33 plays driven effect.

The top of the air bag 33 is fixedly connected with a moving block 34, the top of the moving block 34 is fixedly connected with a movable contact 35, the movable contact 35 is electrically connected with the heating wire 6, two sides of the movable groove 32 are fixedly connected with fixed contacts 36 which are in sliding connection with the outer sides of the movable contacts 35, the fixed contacts 36 are rectangular in shape, the movable contacts 35 are in contact with the fixed contacts 36 to play a role of communicating a circuit, the outer side of the detection mechanism 3 is fixedly connected with fixed rods 4 which are fixedly connected with the inner wall of the main body 1, the number of the fixed rods 4 is four, the fixed rods 4 are uniformly distributed on the outer side of the detection mechanism 3, the fixed rods 4 are made of hard high-strength materials, the fixed rods 4 play a role of fixing, the bottom of the detection mechanism 3 is fixedly connected with a sealing mechanism 5, the sealing mechanism 5 comprises a fixed block 51, the fixed block 51 is arc-shaped, and an electromagnet two 52 is fixedly connected inside the fixed block 51, the magnetism generated at the bottom of the electromagnet II 52 is opposite to the magnetism at the top of the magnetic block II 54, the size of the electromagnet II 52 is smaller than that of the fixed block 51, the electromagnet II 52 plays a role in magnetic transmission, the bottom of the electromagnet II 52 is fixedly connected with a sealing ball 53 fixedly connected with the inner bottom wall of the main body 1, the sealing ball 53 is in a spherical shape, the material of the sealing ball 53 is hard high-strength material, the sealing ball 53 plays a role in sealing, the magnetic block II 54 is fixedly connected inside the sealing ball 53, the top of the sealing ball 53 is fixedly connected with a spring II 55 fixedly connected with the bottom of the fixed block 51, the spring II 55 is a compression spring, the diameter of the spring II 55 is smaller than the width of the sealing ball 53, the spring II 55 plays a role in moving the sealing ball 53 to the bottom, heating wires 6 are fixedly connected inside the main body 1 and on two sides close to the detection mechanism 3, the heating wires 6 are irregular in shape and are uniformly distributed inside the main body 1, the heating wire 6 plays a role of heating.

The working principle is as follows: when the heating device is used, when the main body 1 is not glued, the opening and closing member 21 is in a closed state, the relative area between the negative plate 25 and the positive plate 24 is the largest, because the minimum path voltage of the piezoresistor 26 is smaller than the maximum circuit voltage passing through the negative plate 25, the piezoresistor 26 is electrically connected with the heating wire 6 to be in a path state, when the temperature of glue in the main body 1 is too low, the air bag 33 is in a contraction state by utilizing the principle of expansion with heat and contraction with cold, the movable block 34 is driven to move downwards under the action of the air bag 33, the movable contact 35 and the fixed contact 36 are closed at the moment, and the heating wire 6 is in circuit communication, so that the heating effect of the heating wire 6 is achieved, the purpose of heating the main body 1 is effectively realized, the phenomenon that the glue outlet is easy to air dry when the glue outlet is not glued is prevented, the condition that the glue outlet is blocked is effectively avoided, and the production efficiency is effectively ensured;

when glue is needed to be applied, the electromagnet I27 is electrified and magnetized, because the magnetism generated at the inner side of the electromagnet I27 is opposite to the magnetism at the outer side of the magnetic block I23, by utilizing the principle that opposite magnetism attracts each other, thereby realizing the effect of adsorbing the first magnetic block 23 and driving the opening and closing piece 21 to extend outwards, effectively realizing the effect of opening the gluing opening, meanwhile, the second electromagnet 52 is electrified, so that the effect of adsorbing the second magnetic block 54 and driving the sealing ball 53 to move towards the top is effectively realized, the effect of flowing out of the glue from the bottom of the main body 1 is realized, and as the dielectric plate 22 moves towards two sides, at this time, the relative area between positive electrode plate 24 and negative electrode plate 25 is reduced, so that the circuit voltage flowing through negative electrode plate 25 is reduced, the circuit voltage of negative electrode plate 25 is less than the minimum path voltage of varistor 26, at this time, the heating wire 6 is not electrified, so that the purpose of not heating the main body 1 during gluing is effectively realized, and partial energy consumption is saved.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.