Feeding device for polyimide adhesive tape production

Abstract

The utility model discloses a feeding device for polyimide adhesive tape production, which comprises a mixing tank, a mixing motor, a stirrer and a feeder, the mixing motor is installed at the top of the mixing tank, the stirrer is installed in the mixing tank, the stirrer is in transmission connection with the mixing motor, a stirring shaft of the stirrer is provided with stirring blades, and the feeder is connected with the mixer. A solid feeding pipe and a liquid feeding pipe are arranged on the two sides of the upper end of the mixing tank, the bottom of the mixing tank is arranged to be of a conical structure, an electric heating wire is arranged on the outer surface of the conical structure, the feeder is installed at the bottom of a discharging port in the bottom of the mixing tank, the discharging port is connected with the upper side face of the discharging shell, and the auger is installed in the discharging shell. The discharging motor is installed at one end of the discharging shell and is in transmission connection with the auger, the discharging flange is installed at the other end of the discharging shell, polyimide raw materials can be subjected to mixing pretreatment and then fed, and participation of workers in the whole feeding process is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of polyimide adhesives, in particular to a feeding device for producing polyimide adhesive tapes. Background Art

[0002] With the rapid development of electronic science and technology, microelectronics technology is developing towards miniaturization, and the research on wafer-level packaging materials is constantly deepening. Benzocyclobutene was used as the early wafer-level packaging material, but it was gradually eliminated due to its disadvantages such as low elongation at break, low tensile strength, and high process cost. Polyimide has good thermal stability, mechanical properties, chemical stability, and excellent comprehensive performance, and is widely used in advanced semiconductor packaging processes. When producing polyimide tape, it is necessary to first process the polyimide raw material into a film, and then go through processes such as gluing and drying. The polyimide raw material can be different according to the performance of the tape, and the auxiliary materials added are also different. In the existing market, there is no device dedicated to the production and feeding of polyimide tape. In view of the above problems, this application provides a solution. Utility Model Content

[0003] The utility model aims to provide a feeding device for producing polyimide adhesive tape.

[0004] The above technical objectives of the utility model are achieved through the following technical solutions:

[0005] A feeding device for producing polyimide tape comprises a mixing tank, a mixing motor, an agitator and a feeder, wherein the mixing motor is mounted on the top of the mixing tank, the agitator is mounted in the mixing tank, the agitator is transmission-connected to the mixing motor, a stirring shaft of the agitator is provided with a stirring blade, a solid feeding pipe and a liquid feeding pipe are provided on both sides of the upper end of the mixing tank, the bottom of the mixing tank is arranged into a conical structure, an outer surface of the conical structure is provided with an electric heating wire, the feeder is installed at the bottom of a discharge port at the bottom of the mixing tank, the feeder comprises a discharge motor, a discharge shell, an auger and a discharge flange, the discharge port is connected to the upper side of the discharge shell, the auger is mounted in the discharge shell, the discharge motor is mounted at one end of the discharge shell and is transmission-connected to the auger, the discharge flange is mounted at the other end of the discharge shell, and a mold hole is provided on the discharge flange.

[0006] Furthermore, the stirring blades are sequentially provided with a first stirring blade, a second stirring blade and a third stirring blade from top to bottom, the first stirring blade is a vertical plate-like structure, the second stirring blade is a spiral stirring blade, and the third stirring blade is a stirring blade with a conical structure.

[0007] Furthermore, valves are provided on the solid feed pipe and the discharge port.

[0008] Furthermore, a solenoid valve is installed on the liquid feed pipe.

[0009] Furthermore, an electric heating wire is also provided on the outside of the discharge housing.

[0010] Furthermore, the outside of the mixing tank is provided with a lifting lug.

[0011] In summary, the utility model has the following beneficial effects: the solid material of the utility model enters the mixing tank from the solid feed pipe, the liquid material enters the mixing tank from the liquid feed pipe, and then is stirred and mixed by the agitator, and at the same time the material is heated by the electric heating wire at the bottom of the mixing tank. After being mixed evenly, the material enters the feeder, and then is transported by the auger, and finally is discharged through the discharge flange and sent to the next process. The utility model can perform mixed pretreatment on the polyimide raw materials and then feed them, and the entire loading process reduces the participation of workers. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 It is a schematic diagram of the overall structure of the utility model.

[0013] In the figure, 1. mixing tank; 2. mixing motor; 3. agitator; 4. solid feed pipe; 5. liquid feed pipe; 6. first stirring blade; 7. second stirring blade; 8. third stirring blade; 9. electric heating wire; 10. discharge port; 11. lifting ear; 12. discharge motor; 13. discharge housing; 14. auger; 15. discharge flange. DETAILED DESCRIPTION

[0014] The utility model is further described in detail below in conjunction with the accompanying drawings, and the technical solutions in the embodiments of the utility model are clearly and completely described. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0015] like Figure 1As shown, a feeding device for the production of polyimide adhesive tape comprises a mixing tank 1, a mixing motor 2, an agitator 3 and a feeder, wherein the mixing motor 2 is mounted on the top of the mixing tank 1, the agitator 3 is mounted in the mixing tank 1, the agitator 3 is drivingly connected to the mixing motor 2, a stirring shaft of the agitator 3 is provided with a stirring blade, and the stirring blade has various shapes, a solid feeding pipe 4 and a liquid feeding pipe 5 are respectively provided on both sides of the upper end of the mixing tank 1, the feeding pipe 4 can be connected to a vacuum feeder, and the liquid feeding pipe 5 can be connected to a hydraulic pump or a liquid storage device, solid materials enter from the solid feeding pipe 4, and liquid materials enter from the liquid feeding pipe 5, and the bottom of the mixing tank 1 is provided with a solid feeding pipe 4. The mixing tank 1 is configured as a conical structure, and an electric heating wire 9 is provided on the outer surface of the conical structure to heat the material at the bottom of the mixing tank 1. The feeder is installed at the bottom of the discharge port 10 at the bottom of the mixing tank 1. The feeder includes a discharge motor 12, a discharge shell 13, an auger 14 and a discharge flange 15. The discharge port 10 is connected to the upper side of the discharge shell 13, the auger 14 is installed in the discharge shell 13, the discharge motor 12 is installed at one end of the discharge shell 13, and is transmission-connected to the auger 14, the discharge flange 15 is installed at the other end of the discharge shell 13, and a die hole is provided on the discharge flange 15. The shape of the die hole is designed according to the shape of the material coming out.

[0016] Furthermore, the stirring blades are sequentially provided with a first stirring blade 6, a second stirring blade 7 and a third stirring blade 8 from top to bottom, the first stirring blade 6 is a vertical plate-like structure, the second stirring blade 7 is a spiral stirring blade, and the third stirring blade 8 is a stirring blade with a conical structure, wherein the number of each stirring blade can be multiple, and multiple stirring blades can be mixed to achieve a better stirring effect.

[0017] Furthermore, the solid feed pipe 4 and the discharge port 10 are both provided with valves, and the valves are used to control the closing of the feed pipe.

[0018] Furthermore, a solenoid valve is installed on the liquid feed pipe 5 .

[0019] Furthermore, the outside of the discharge housing 13 is also provided with an electric heating wire, which is omitted in the figure.

[0020] Furthermore, a lifting lug 11 is provided on the outside of the mixing tank 1, and the mixing tank 1 and the feeder are hoisted and fixed by using the lifting lug structure, and can also be installed and fixed on a mounting frame.

[0021] Working principle: solid material enters the mixing tank 1 from the solid feed pipe 4, and liquid material enters the mixing tank 1 from the liquid feed pipe 5, and then is stirred and mixed by the agitator. At the same time, the material is heated by the electric heating wire 9 at the bottom of the mixing tank 1. After being mixed evenly, the material enters the feeder, and then is transported by the auger, and finally discharged through the discharge flange 15 and sent to the next process.

[0022] This specific embodiment is merely an explanation of the present invention and is not a limitation of the present invention. After reading this specification, those skilled in the art may make non-creative modifications to the present embodiment as needed. However, as long as the modifications are within the scope of the claims of the present invention, they are protected by the patent law.

Claims

1. A feeding device for producing polyimide tape, characterized in that: The invention comprises a mixing tank (1), a mixing motor (2), an agitator (3) and a feeder, wherein the mixing motor (2) is installed on the top of the mixing tank (1), the agitator (3) is installed in the mixing tank (1), the agitator (3) is connected to the mixing motor (2) by transmission, a stirring blade is arranged on the stirring shaft of the agitator (3), a solid feeding pipe (4) and a liquid feeding pipe (5) are arranged on both sides of the upper end of the mixing tank (1), the bottom of the mixing tank (1) is arranged in a conical structure, the outer surface of the conical structure is provided with an electric heating wire (9), the feeder is installed At the bottom of the discharge port (10) at the bottom of the mixing tank (1), the feeder comprises a discharge motor (12), a discharge housing (13), an auger (14) and a discharge flange (15); the discharge port (10) is connected to the upper side of the discharge housing (13); the auger (14) is installed in the discharge housing (13); the discharge motor (12) is installed at one end of the discharge housing (13) and is transmission-connected to the auger (14); the discharge flange (15) is installed at the other end of the discharge housing (13); and a die hole is provided on the discharge flange (15).

2. A feeding device for producing polyimide tape according to claim 1, characterized in that: The stirring blades are sequentially arranged from top to bottom with a first stirring blade (6), a second stirring blade (7) and a third stirring blade (8); the first stirring blade (6) is a vertical plate-like structure, the second stirring blade (7) is a spiral stirring blade, and the third stirring blade (8) is a stirring blade with a conical structure.

3. A feeding device for producing polyimide tape according to claim 2, characterized in that: The solid feed pipe (4) and the discharge port (10) are both provided with valves.

4. A feeding device for producing polyimide tape according to claim 3, characterized in that: The liquid feed pipe (5) is provided with a solenoid valve.

5. A feeding device for producing polyimide tape according to claim 4, characterized in that: The outside of the discharge housing (13) is also provided with an electric heating wire.

6. A feeding device for producing polyimide tape according to claim 1, characterized in that: The outside of the mixing tank (1) is provided with a lifting lug (11).

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