CN220658123U - Cylindrical rubber coating head - Google Patents

Abstract

The utility model relates to the technical field of dispensing heads, in particular to a cylindrical gluing head which comprises a barrel, wherein a connecting pipe is arranged at the bottom of the barrel, a connector is fixedly connected to the outer wall of the top of the barrel, a feeding pipe is inserted into the outer wall of the circumference of the barrel, the number of the feeding pipes is two, the bottom of the barrel is provided with integrally formed connecting pipes, one end of each connecting pipe is provided with a needle pipe, a first groove and a second groove are formed in the barrel, a pushing component is arranged in each of the first groove and the second groove, an inner thread groove is formed in the inner wall of one end of each connecting pipe, and an outer thread groove is formed in the outer wall of the circumference of each needle pipe. In the utility model, in the process of extruding the coating from the inside of the connecting pipe, the spiral groove arranged in the inside of the connecting pipe can prolong the extruding path of the coating, thereby ensuring that two or more coatings can be uniformly mixed during extrusion and facilitating the gluing work of a follow-up gluing machine.

Description

Cylindrical rubber coating head

Technical Field

The utility model relates to the technical field of dispensing heads, in particular to a cylindrical dispensing head.

Background

In the semiconductor industry, a patch is an indispensable process, a protective sheet for protecting other circuit surfaces is attached, and an adhesive sheet for die bonding is attached to the back surface, and a dispenser is an indispensable device.

The glue dispensing machine is also called a glue spreader, a glue dripping machine, a glue beating machine, a glue filling machine and the like, and is specially used for controlling fluid. And the fluid is dripped and coated on the surface of the product or an automatic machine in the product, so that three-dimensional and four-dimensional path dispensing can be realized, the accurate positioning, the accurate glue control, no wire drawing, no glue leakage and no glue dripping are realized. The glue dispenser is mainly used for precisely dispensing, injecting, coating and dripping glue and other liquids in the product process to the precise position of each product, and can be used for realizing dotting, line drawing, round or arc type, and the glue dispenser is used for injecting the glue through a glue coating head.

In the use of the traditional gluing head, the length of the needle head at one end of the gluing head is limited to a certain extent, so that when two kinds of coatings are mixed and glued, the two kinds of coatings are easy to cause that the two kinds of coatings cannot be uniformly mixed, the gluing work of a subsequent chip is easy to influence, and the use requirement of people cannot be met. Therefore, a cylindrical glue head is needed to solve the above problems.

Disclosure of Invention

Based on the above mentioned deficiencies of the prior art in the background art, the present utility model provides a cylindrical glue head for this purpose.

The utility model adopts the following technical scheme to overcome the technical problems, and specifically comprises the following steps:

the cylindrical gluing head comprises a barrel, wherein a connecting pipe is arranged at the bottom of the barrel, a connector is fixedly connected to the outer wall of the top of the barrel, feeding pipes are inserted into the outer wall of the circumference of the barrel, the number of the feeding pipes is two, an integrally formed connecting pipe is arranged at the bottom of the barrel, and a needle pipe is arranged at one end of the connecting pipe;

the inside of barrel is provided with first recess and second recess, first recess with the inside of second recess sets up the pushing component.

As a further scheme of the utility model: an inner thread groove is formed in the inner wall of one end of the connecting pipe, an outer thread groove is formed in the outer wall of the circumference of the needle head pipe, and the connecting pipe is in threaded connection with the needle head pipe.

As still further aspects of the utility model: the pushing component comprises a fixed plate fixedly connected with the circumferential inner wall of the second groove, a piston is arranged in the first groove, a connecting rod is fixedly connected to the bottom of the piston, a fixed ball is fixedly connected to one end of the connecting rod, the fixed ball is located in the connecting pipe, the connecting rod penetrates through the top of the fixed plate, a first vent pipe is inserted into the outer wall of the top of the barrel, and a second vent pipe is fixedly connected to the circumferential outer wall of the barrel.

As still further aspects of the utility model: the mixing tank is arranged in the cylinder body and communicated with the second groove, and the cross section of the mixing tank is double-funnel.

As still further aspects of the utility model: the circumference inner wall fixedly connected with of first recess keeps off the ring.

As still further aspects of the utility model: the inside fixedly connected with heating pipe of mixing tank can heat the inside coating of mixing tank, avoids the coating to appear solidifying the unable condition of extruding.

As still further aspects of the utility model: the spiral groove is formed in the circumferential inner wall of the connecting pipe, and the coating extrusion path can be prolonged, so that two or more coatings can be uniformly mixed during extrusion, and the coating operation of a subsequent coating machine is facilitated.

After adopting the structure, compared with the prior art, the utility model has the following advantages:

before the glue spreading head performs glue spreading operation, glue spreading raw materials can be fixedly connected with a feed pipe firstly, then a first ventilation pipe and a second ventilation pipe are fixedly connected with an external air pump, when the glue spreading operation is required, the air pump communicated with the first ventilation pipe can be started, when the air pump is started, air can be blown into the cylinder body to enable the piston to be downwards pressed, when the piston is downwards pressed, a connecting rod and a fixing ball can be driven to downwards press paint in the mixing tank together, so that paint is rapidly extruded from one end of a needle head pipe to perform glue spreading operation, when a group of glue spreading operations are completed, the air pump communicated with the second ventilation pipe is started to blow air into the first groove, so that negative pressure is generated in the cylinder body when the piston upwards moves, and the situation that the paint automatically drops from the end of the needle head pipe due to gravity is effectively avoided;

in the process of extruding the coating from the inside of the connecting pipe, the path of extruding the coating can be prolonged by arranging the spiral groove in the inside of the connecting pipe, so that two or more coatings can be uniformly mixed during extrusion, and the coating operation of a follow-up coating machine is facilitated.

Drawings

Fig. 1 is a schematic overall perspective view of the present utility model.

Fig. 2 is a schematic diagram of the overall semi-sectional structure of the present utility model.

FIG. 3 is a schematic diagram of a semi-sectional structure of a feed tube according to the present utility model.

Fig. 4 is a schematic view of the split structure of the needle tube of the present utility model.

In the figure: 1. a cylinder; 2. a connector; 3. a first vent pipe; 4. a feed pipe; 5. a second vent pipe; 6. a connecting pipe; 7. a needle tube; 8. a piston; 9. a baffle ring; 10. a fixing plate; 11. a connecting rod; 12. a mixing tank; 13. heating pipes; 14. a fixed ball; 15. a spiral groove; 16. an internal thread groove; 17. a first groove; 18. a second groove; 19. and an external thread groove.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Example 1

Referring to fig. 1 to 4, in the embodiment of the present utility model, a cylindrical glue spreading head includes a barrel 1, a connecting pipe 6 is provided at the bottom of the barrel 1, a connector 2 is fixedly connected to the top outer wall of the barrel 1, feeding pipes 4 are inserted into the circumferential outer wall of the barrel 1, the number of the feeding pipes 4 is two, an integrally formed connecting pipe 6 is provided at the bottom of the barrel 1, and a needle pipe 7 is provided at one end of the connecting pipe 6;

the inside of barrel 1 is provided with first recess 17 and second recess 18, and the inside of first recess 17 and second recess 18 sets up the pushing component.

Preferably, an inner wall of one end of the connecting pipe 6 is provided with an inner thread groove 16, and the circumferential outer wall of the needle pipe 7 is provided with an outer thread groove 19, and the connecting pipe 6 is in threaded connection with the needle pipe 7.

Preferably, the pushing component comprises a fixed plate 10 fixedly connected to the circumferential inner wall of a second groove 18, a piston 8 is arranged in a first groove 17, a connecting rod 11 is fixedly connected to the bottom of the piston 8, a fixed ball 14 is fixedly connected to one end of the connecting rod 11, the fixed ball 14 is located in the connecting pipe 6, the connecting rod 11 penetrates through the top of the fixed plate 10, a first ventilating pipe 3 is inserted into the outer wall of the top of the barrel 1, a second ventilating pipe 5 is fixedly connected to the circumferential outer wall of the barrel 1, glue dispensing raw materials and a feeding pipe 4 can be fixedly connected to the glue dispensing head before glue dispensing operation is carried out, then the first ventilating pipe 3 and the second ventilating pipe 5 are fixedly connected to an external air pump, an air pump communicated with the first ventilating pipe 3 can be started when glue dispensing operation is needed, air can be blown into the barrel 1 when the air pump is started, so that the piston 8 is pressed down, the connecting rod 11 and the fixed ball 14 can be driven to descend together to give a downward pressure to paint inside the mixing groove 12 when the piston 8 is pressed down, and the paint can be extruded out from one end of the pipe 7 to carry out glue dispensing operation.

Preferably, the mixing tank 12 is arranged in the barrel 1, the mixing tank 12 is communicated with the second groove 18, and the cross section of the mixing tank 12 is double-funnel, so that the paint can be extruded from the inside of the barrel 1 better, and excessive residues are avoided.

Preferably, the circumference inner wall of the first groove 17 is fixedly connected with a baffle ring 9, which plays a certain limiting and blocking role on the piston 8.

Preferably, the heating pipe 13 is fixedly connected to the inside of the mixing tank 12, and the paint in the mixing tank 12 can be heated through the heating pipe 13, so that the condition that the paint is solidified and cannot be extruded is avoided.

Working principle: before the glue spreading head performs glue spreading operation, glue spreading raw materials and a feeding pipe 4 can be fixedly connected, then a first ventilation pipe 3 and a second ventilation pipe 5 are fixedly connected with an external air pump, the air pump communicated with the first ventilation pipe 3 can be started when the glue spreading operation is required to be performed, air can be blown into the cylinder 1 when the air pump is started, so that a piston 8 is pressed down, a connecting rod 11 and a fixing ball 14 can be driven to descend together when the piston 8 is pressed down to give a downward pressure to paint in a mixing tank 12, so that paint is rapidly extruded from one end of a needle pipe 7 to perform glue spreading operation, and the air pump communicated with the second ventilation pipe 5 is started to blow air into the first groove 17 after the glue spreading operation is completed, so that negative pressure is generated in the cylinder 1 when the piston 8 moves upwards, and the situation that the paint is automatically dropped due to gravity from the end of the needle pipe 7 is effectively avoided.

Example 2

Referring to fig. 2 to 3, compared with embodiment 1, the present embodiment further includes: the spiral groove 15 has been seted up to the circumference inner wall of connecting pipe 6, at the in-process that the coating was extruded from connecting pipe 6 inside, through seting up the spiral groove 15 in connecting pipe 6 inside, can prolong the route that the coating extruded to guaranteed that two or more coatings can evenly mix when extruding, made things convenient for the rubber coating work of follow-up spreading machine.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof.

Claims (7)

1. The cylindrical gluing head comprises a barrel body (1), and is characterized in that a connecting pipe (6) is arranged at the bottom of the barrel body (1), a connector (2) is fixedly connected to the outer wall of the top of the barrel body (1), feeding pipes (4) are inserted into the outer wall of the circumference of the barrel body (1), the number of the feeding pipes (4) is two, an integrally formed connecting pipe (6) is arranged at the bottom of the barrel body (1), and a needle pipe (7) is arranged at one end of the connecting pipe (6);

the novel plastic pushing device is characterized in that a first groove (17) and a second groove (18) are formed in the barrel (1), and a pushing assembly is arranged in the first groove (17) and the second groove (18).

2. A cylindrical glue head according to claim 1, characterized in that an inner wall of one end of the connecting tube (6) is provided with an inner thread groove (16), the outer circumferential wall of the needle tube (7) is provided with an outer thread groove (19), and the connecting tube (6) is in threaded connection with the needle tube (7).

3. A cylindrical glue head according to claim 1, characterized in that the pushing component comprises a fixed plate (10) fixedly connected with the circumferential inner wall of the second groove (18), a piston (8) is arranged in the first groove (17), a connecting rod (11) is fixedly connected with the bottom of the piston (8), one end of the connecting rod (11) is fixedly connected with a fixed ball (14), the fixed ball (14) is positioned in the connecting pipe (6), the connecting rod (11) penetrates through the top of the fixed plate (10), a first ventilation pipe (3) is inserted into the outer wall of the top of the cylinder (1), and a second ventilation pipe (5) is fixedly connected with the circumferential outer wall of the cylinder (1).

4. A cylindrical glue head according to claim 1, characterized in that a mixing tank (12) is provided in the interior of the cylinder (1), the mixing tank (12) being in communication with the second recess (18), the cross section of the mixing tank (12) being double funnel.

5. A cylindrical glue head according to claim 1, characterized in that the circumferential inner wall of the first recess (17) is fixedly connected with a stop ring (9).

6. A cylindrical glue head according to claim 4, characterized in that the interior of the mixing tank (12) is fixedly connected with a heating pipe (13).

7. A cylindrical glue head according to claim 1, characterized in that the circumferential inner wall of the connecting tube (6) is provided with a spiral groove (15).