Raw material defoaming equipment for polyimide film production

Abstract

The raw material defoaming equipment for polyimide film production comprises a device body, a top cover is connected to the middle of the top end of the device body in a clamped mode, a rotating motor is fixedly installed in the middle of the top end of the top cover, and the output end of the rotating motor penetrates through the top cover to be fixedly connected with a stirring shaft. According to the raw material defoaming equipment for polyimide film production, when a user uses the raw material defoaming equipment, the rotating motor drives the rotating rod to rotate through the stirring shaft, when the rotating rod is damaged, the stirring shaft is rotated, and when the rotating rod is damaged, the L-shaped reinforcing lugs are fixedly installed at the two ends of the two sides of the stirring shaft; a fixing screw is detached from a connecting shaft and an L-shaped reinforcing lug, so that a rotating rod and a stirring shaft are separated, and therefore, a user can conveniently replace the rotating rod, a screen is used for eliminating and deflating bubbles in a polyimide film raw material, a heating pipe is used for accelerating the generation of the bubbles in the polyimide film raw material, and the defoaming effect of the device body is effectively improved.

Description

Technical Field

[0001] The utility model relates to the technical field of polyimide film production, in particular to raw material defoaming equipment for polyimide film production. Background Art

[0002] The raw materials of polyimide film are produced by turning them into colloids, which are placed inside storage tanks. The colloids contain a large number of bubbles, which can easily cause quality defects such as particulate foreign matter on the surface of the film products during production.

[0003] The existing Chinese patent with announcement number CN211307124U discloses a vacuum defoaming device for polyimide film slurry, including an outer shell, the inner wall of which is fixedly connected to a plurality of support blocks, the plurality of support blocks are fixedly connected to an inner shell on one side away from the outer shell, and the outer wall of the inner shell is fixedly connected to a plurality of isolation covers.

[0004] With respect to the above-mentioned related technologies, the inventors found that the stirring rod of the above-mentioned patent cannot be removed during use, the defoaming effect of the stirring rod is not good enough, the stirring rod cannot be replaced when damaged, and it is not convenient to use. Utility Model Content

[0005] The purpose of the utility model is to provide a raw material defoaming device for polyimide film production to solve the problems raised in the above background technology.

[0006] To achieve the above-mentioned objectives, the present invention provides the following technical solutions: a defoaming device for raw materials used in the production of polyimide films, comprising a device body, a top cover is snap-connected in the middle of the top of the device body, a rotating motor is fixedly installed in the middle of the top of the top cover, the output end of the rotating motor is fixedly connected to the stirring shaft through the top cover, both ends of both sides of the stirring shaft are fixedly installed with L-shaped reinforcement ears, the middle part of the L-shaped reinforcement ears is snap-connected with a rotating rod, a connecting shaft is inserted between each adjacent two L-shaped reinforcement ears, and the connecting shaft and the rotating rod are inserted and connected, both ends of the connecting shaft are threadedly connected with fixing screws, and the fixing screws pass through the L-shaped reinforcement ears and are threadedly connected to the stirring shaft, a screen is fixedly provided in the middle of the rotating rod, and a reinforcement pile is fixedly connected to the middle part of the rotating rod on the side away from the stirring shaft, and mounting grooves are opened in the middle of both sides of the device body, and a heating pipe is fixedly installed in the middle of the mounting groove.

[0007] As an optimal technical solution of the present invention, both ends of the middle part of the stirring shaft are fixedly connected with second reinforcing rods, and the second reinforcing rods are fixedly connected to the rotating rod, and both ends of the rotating rod away from the stirring shaft are fixedly connected with first reinforcing rods.

[0008] As a preferred technical solution of the present invention, an exhaust pump is fixedly installed on the top of one side of the device body, and the input end of the exhaust pump passes through the device body and is fixedly connected to an exhaust pipe.

[0009] As a preferred technical solution of the present invention, the middle part of the bottom end of the device body is fixedly connected to a discharge pipe, and the middle part of the discharge pipe is fixedly installed with a discharge valve.

[0010] As a preferred technical solution of the present invention, connecting ears are fixedly connected to both sides of the top cover, the middle part of the connecting ears is threadedly connected to a mounting screw, and the mounting screw is fixedly connected to the device body.

[0011] As a preferred technical solution of the present invention, both sides of the top of the device body are fixedly connected with a feed pipe, and the bottom end of the rotating rod is fixedly connected with a plurality of evenly distributed stirring rods.

[0012] As a preferred technical solution of the present invention, a side of the L-shaped reinforcement ear close to the stirring shaft is padded with an anti-slip gasket, and the anti-slip gasket is threadedly connected to the fixing screw.

[0013] Compared with the prior art, the beneficial effects of the utility model are as follows: this scheme provides a defoaming device for raw materials used in the production of polyimide films. When in use, the user rotates the motor to drive the rotating rod to rotate through the stirring shaft. When the rotating rod is damaged, the fixing screws are removed from the connecting shaft and the L-shaped reinforcement ear to separate the rotating rod and the stirring shaft, thereby facilitating the user to replace the rotating rod. The operation is simple, and the screening mesh facilitates the elimination and degassing of bubbles in the polyimide film raw materials. The heating tube accelerates the output of bubbles in the polyimide film raw materials, effectively improving the defoaming effect of the device body. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a structural diagram of the utility model;

[0015] Figure 2 This is a schematic diagram of the structure of the reinforcement pile of the utility model;

[0016] Figure 3 This is a schematic structural diagram of the connecting ear of the utility model;

[0017] Figure 4 This is a schematic diagram of the structure of the screen mesh of the utility model;

[0018] Figure 5 For this utility model Figure 4 Schematic diagram of the structure at point A.

[0019] In the figure: 1. Device body; 2. Mounting slot; 3. Top cover; 4. Feed pipe; 5. Rotating motor; 6. Exhaust pump; 7. Heating pipe; 8. Discharge pipe; 9. Discharge valve; 10. Stirring rod; 11. Reinforcement pile; 12. Rotating rod; 13. Stirring shaft; 14. Exhaust pipe; 15. Connecting ear; 16. Mounting screw; 17. Screen; 18. First reinforcement rod; 19. Second reinforcement rod; 20. Connecting shaft; 21. L-shaped reinforcement ear; 22. Fixing screw; 23. Anti-slip gasket. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the present invention will be described clearly and completely below with reference to the accompanying drawings in the embodiments of the present invention.

[0021] See also Figure 1-5 The utility model provides a defoaming device for raw materials used in the production of polyimide films, including a device body 1, a top cover 3 is snap-connected in the middle of the top of the device body 1, the top cover 3 is convenient for closing and opening the device body 1, a rotating motor 5 is fixedly installed in the middle of the top of the top cover 3, the output end of the rotating motor 5 passes through the top cover 3 and is fixedly connected to the stirring shaft 13, the rotating motor 5 drives the stirring shaft 13 to rotate, both ends of both sides of the stirring shaft 13 are fixedly installed with L-shaped reinforcement ears 21, the middle part of the L-shaped reinforcement ear 21 is snap-connected with the rotating rod 12, when the stirring shaft 13 rotates, the rotating rod 12 is driven to rotate, a connecting shaft 20 is inserted and connected between each two adjacent L-shaped reinforcement ears 21, and the connecting shaft 20 is inserted and connected with the rotating rod 12, the connecting shaft 20 connects the L-shaped reinforcement ear 21 and the rotating rod 12, and both ends of the connecting shaft 20 are threadedly connected with fixing screws 2 2, and the fixing screw 22 passes through the L-shaped reinforcement ear 21 and is threadedly connected to the stirring shaft 13. The fixing screw 22 connects the L-shaped fixing ear, the rotating rod 12, the connecting shaft 20 and the stirring shaft 13. The middle part of the rotating rod 12 is fixedly provided with a screen 17. The screen 17 is a steel material structure. The screen 17 eliminates and deflates bubbles in the polyimide film raw material. The middle part of the rotating rod 12 away from the stirring shaft 13 is fixedly connected with a reinforcement pile 11. The reinforcement pile 11 improves the stability of the rotating rod 12 structure. The middle part of both sides of the device body 1 is provided with an installation groove 2. The middle part of the installation groove 2 is fixedly installed with a heating pipe 7. The installation groove 2 is convenient for installing the heating pipe 7. The heating pipe 7 is convenient for heating the inside of the device body 1, accelerating the output of bubbles in the polyimide film raw material, and cooperating with the screen 17 to effectively eliminate bubbles generated during the stirring process of the polyimide film raw material.

[0022] The two ends on both sides of the middle of the stirring shaft 13 are fixedly connected with a second reinforcing rod 19, and the second reinforcing rod 19 is fixedly connected to the rotating rod 12, and the two ends of the rotating rod 12 away from the stirring shaft 13 are fixedly connected with the first reinforcing rod 18. The second reinforcing rod 19 and the first reinforcing rod 18 are convenient for improving the connection stability and structural stability between the rotating rod 12 and the stirring shaft 13. An exhaust pump 6 is fixedly installed on the top of one side of the device body 1. The input end of the exhaust pump 6 is fixedly connected to an exhaust pipe 14 through the device body 1. The exhaust pump 6 extracts the gas generated inside the device body 1 to the outside of the device body 1 through the exhaust pipe 14, thereby improving the defoaming effect of the device body 1. The middle part of the bottom end of the device body 1 is fixedly connected with a discharge pipe 8. A discharge valve 9 is fixedly installed in the middle of the discharge pipe 8. The discharge pipe 8 is convenient for discharge. The discharge valve 9 controls the material discharge. Both sides of the top cover 3 are fixedly connected with connecting ears 15. The middle part of the connecting ear 15 is threadedly connected with a mounting screw 16. The connecting ear 15 and the mounting screw 16 facilitate fixing the top cover 3. Both sides of the top of the device body 1 are fixedly connected with a feed pipe 4. The feed pipe 4 facilitates the entry of the polyimide film raw material. The bottom end of the rotating rod 12 is fixedly connected with a number of evenly distributed stirring rods 10. The stirring rod 10 facilitates the full stirring of the polyimide film raw material at the bottom end of the device body 1, and the mounting screw 16 is fixedly connected to the device body 1. The side of the L-shaped reinforcement ear 21 close to the stirring shaft 13 is padded with an anti-slip gasket 23. The anti-slip gasket 23 is threadedly connected to the fixing screw 22. The anti-slip gasket 23 improves the connection tightness between the connecting shaft 20 and the L-shaped reinforcement ear 21, which is convenient for fixing it with the fixing screw 22.

[0023] Working principle: The utility model is a defoaming device for raw materials used in the production of polyimide film. When in use, the user drives the stirring shaft 13 to rotate by rotating the motor 5. When the stirring shaft 13 rotates, the rotating rod 12 drives the stirring rod 10 to rotate, so that the polyimide film raw material is fully stirred. The heating tube 7 is convenient for heating the inside of the device body 1 to accelerate the production of bubbles in the polyimide film raw material. The sieve 17 eliminates and releases the bubbles in the polyimide film raw material, effectively eliminating the bubbles generated during the stirring process of the polyimide film raw material. The exhaust pump 6 extracts the gas generated inside the device body 1 to the outside of the device body 1 through the exhaust pipe 14, thereby improving the defoaming effect of the device body 1. When the rotating rod 12 is damaged, the user removes the mounting screw 16 to separate the top cover 3 from the device body 1. After removing the top cover 3, the fixing screw 22 is removed to separate the connecting shaft 20 from the rotating rod 12 and the L-shaped reinforcement ear 21, so that the rotating rod 12 is detached from the L-shaped reinforcement ear 21. At this time, the rotating rod 12 can be replaced, and the operation is simple and convenient.

[0024] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. A defoaming device for raw materials used in the production of polyimide films, comprising a device body (1), characterized in that: The middle of the top of the device body (1) is snap-connected with a top cover (3), the middle of the top of the top cover (3) is fixedly mounted with a rotating motor (5), the output end of the rotating motor (5) passes through the top cover (3) and is fixedly connected with a stirring shaft (13), both ends of both sides of the stirring shaft (13) are fixedly mounted with L-shaped reinforcement ears (21), the middle of the L-shaped reinforcement ears (21) is snap-connected with a rotating rod (12), and a connecting shaft (20) is inserted and connected between each two adjacent L-shaped reinforcement ears (21), and the connecting shaft (20) is fixedly mounted with the stirring shaft (13). The rotating rod (12) is connected through insertion, and both ends of the connecting shaft (20) are threadedly connected with fixing screws (22), and the fixing screws (22) pass through the L-shaped reinforcement ears (21) and are threadedly connected to the stirring shaft (13). A screen (17) is fixedly provided in the middle of the rotating rod (12), and a reinforcement pile (11) is fixedly connected to the middle of the rotating rod (12) on the side away from the stirring shaft (13). The middle of both sides of the device body (1) is provided with installation grooves (2), and a heating pipe (7) is fixedly installed in the middle of the installation groove (2).

2. The defoaming equipment for raw materials used in the production of polyimide films according to claim 1, characterized in that: The two ends of the middle part of the stirring shaft (13) are fixedly connected to the second reinforcing rod (19), and the second reinforcing rod (19) is fixedly connected to the rotating rod (12). The two ends of the rotating rod (12) on the side away from the stirring shaft (13) are fixedly connected to the first reinforcing rod (18).

3. The defoaming equipment for raw materials used in the production of polyimide films according to claim 1, characterized in that: An exhaust pump (6) is fixedly mounted on the top end of one side of the device body (1), and an input end of the exhaust pump (6) passes through the device body (1) and is fixedly connected to an exhaust pipe (14).

4. The defoaming equipment for raw materials used in the production of polyimide films according to claim 1, characterized in that: The middle portion of the bottom end of the device body (1) is fixedly connected to a discharge pipe (8), and a discharge valve (9) is fixedly installed in the middle portion of the discharge pipe (8).

5. The defoaming equipment for raw materials used in the production of polyimide films according to claim 1, characterized in that: Both sides of the top cover (3) are fixedly connected with connecting ears (15), the middle part of the connecting ears (15) is threadedly connected with a mounting screw (16), and the mounting screw (16) is fixedly connected to the device body (1).

6. The defoaming equipment for raw materials used in the production of polyimide films according to claim 1, characterized in that: Both sides of the top of the device body (1) are fixedly connected to a feed pipe (4), and the bottom end of the rotating rod (12) is fixedly connected to a plurality of evenly distributed stirring rods (10).

7. The defoaming equipment for raw materials used in the production of polyimide films according to claim 1, characterized in that: A side of the L-shaped reinforcement ear (21) close to the stirring shaft (13) is provided with an anti-skid pad (23), and the anti-skid pad (23) is threadedly connected to the fixing screw (22).

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