CN210758757U - Casting die head for producing casting film - Google Patents

Abstract

The utility model discloses a curtain coating die head is used in curtain coating film production, including stub bar and storage case, the inside heating agitating unit that has of storage case, heating agitating unit includes (mixing) shaft and motor, the (mixing) shaft surface has a plurality of archs, protruding fixed surface is connected with the heating plate, the motor is fixed to be set up in storage case one side, the (mixing) shaft runs through storage case lateral wall through shaft coupling and motor output shaft fixed connection, heating agitating unit bottom is provided with the support frame. The utility model discloses an extrusion force that utilizes the material promotes the movable block toward the motion of annular ring bottom, forms the gap between movable block and the annular ring, and the material enters into the bottom of storage case through the gap to inside entering into ejection of compact head, the baffle can block the material, make it even trickling at the both ends of baffle, when the extrusion force surpassed the elasticity of second spring, the baffle was pushed open, the material can even trickling go out, be favorable to reducing the error of flow and velocity of flow everywhere on the die lip surface.

Description

Casting die head for producing casting film

Technical Field

The utility model relates to a curtain coating membrane production facility technical field, in particular to curtain coating die head is used in curtain coating membrane production.

Background

The casting die head for producing the casting film is subjected to pressure fluctuation generated by an extruder in the working process, the heating uniformity of the die head is not enough, the comprehensive influence of factors such as runner vortex in the die head is caused, the width change of the casting film is often large when the casting film is formed, sometimes the casting film is narrow and sometimes wide, and some flow lines are often branched at two edges, so that the quality of the casting film is influenced, the flow lines are wound on a compression roller, the composite work is seriously hindered, the peeling strength of the work is greatly reduced, even qualified products cannot be produced, sometimes the rubber compression roller is damaged, meanwhile, the condition of material leakage often occurs in the using process of the existing casting die head, and the production environment is seriously influenced.

Therefore, it is necessary to invent a casting die for producing a casting film to solve the above problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a curtain coating die head is used in curtain coating film production to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a casting die head for producing a cast film comprises a discharging head and a storage box, wherein a heating and stirring device is arranged inside the storage box and comprises a stirring shaft and a motor, the surface of the stirring shaft is provided with a plurality of bulges, the surfaces of the bulges are fixedly connected with heating sheets, the motor is fixedly arranged on one side of the storage box, the stirring shaft penetrates through the side wall of the storage box and is fixedly connected with a motor output shaft through a coupler, the bottom end of the heating and stirring device is provided with a support frame, the support frame is fixedly welded with the inner wall of the storage box, the bottom end of the support frame is fixedly connected with a first spring, the bottom end of the first spring is fixedly connected with a movable block, the bottom end of the support frame is provided with an annular ring, a groove is formed in the annular ring, the movable block is matched with the groove, one side of the discharging, baffle one side fixedly connected with second spring, second spring one end fixedly connected with links up the piece, it is provided with the bearing to link up the inside fixed of piece, it is connected with the threaded rod to link up the piece through the bearing rotation, ejection of compact head lateral wall set up threaded hole, threaded rod and threaded hole threaded connection.

Preferably, the two sides of the first spring are both provided with telescopic sleeves, one end of each telescopic sleeve is fixedly connected with the bottom end of the support frame, and the other end of each telescopic sleeve is fixedly connected with the surface of the movable block.

Preferably, an insulating pad is arranged between the protrusion and the heating sheet.

Preferably, the surface of the groove is provided with a sealing gasket.

Preferably, the top end of the storage box is provided with a feeding hole.

Preferably, a channel for placing an electric wire is formed in the stirring shaft, and a heating resistance wire is arranged in the heating sheet.

Preferably, the inner part of the baffle is movably sleeved with a telescopic block.

The utility model discloses a technological effect and advantage:

1. the utility model discloses an extrusion force that utilizes the material promotes the movable block and moves towards annular ring bottom, forms the gap between movable block and the annular ring, and the material enters into the bottom of storage case through the gap to inside the discharge head, the baffle can block the material, makes it even trickling at the both ends of baffle, and when the extrusion force exceeded the elasticity of second spring, the baffle was pushed open, and the material can even trickling go out, is favorable to reducing the error of flow and velocity of flow everywhere on the surface of the die lip, thereby can improve the production qualification rate;

2. when stopping carrying the material, fly leaf top extrusion force disappears, and inside first spring recovered deformation and driven the movable block card to advance annular ring bottom recess this moment, the second spring recovered deformation simultaneously and driven the baffle and resume the normal position, can avoid the inside surplus material of storage case to drip, is favorable to protecting the production environment.

Drawings

Fig. 1 is a schematic view of the overall front view section of the present invention.

Fig. 2 is an enlarged view of a portion a in fig. 1 according to the present invention.

In the figure: the device comprises a discharge head 1, a storage box 2, a stirring shaft 3, a motor 4, a bulge 5, a heating plate 6, a support frame 7, a first spring 8, a movable block 9, an annular ring 10, a groove 11, a baffle 12, a second spring 13, a joining block 14, a threaded rod 15, a telescopic sleeve 16 and a telescopic block 17.

Detailed Description

The present invention will be described in detail with reference to the accompanying drawings and specific embodiments.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

The utility model provides a casting die head for producing casting films as shown in figures 1-2, which comprises a discharge head 1 and a storage box 2, wherein a heating and stirring device is arranged inside the storage box 2, the heating and stirring device comprises a stirring shaft 3 and a motor 4, a plurality of bulges 5 are arranged on the surface of the stirring shaft 3, the bulges 5 are fixedly connected with heating sheets 6 on the surface, the motor 4 is fixedly arranged at one side of the storage box 2, the stirring shaft 3 penetrates through the side wall of the storage box 2 and is fixedly connected with an output shaft of the motor 4 through a shaft coupling, a plurality of heating sheets 6 can further heat materials in the process that the materials fall down from a feed inlet, the materials can be stirred in the process, the improvement of the uniformity of the materials is facilitated, a support frame 7 is arranged at the bottom end of the heating and stirring device, and the support frame 7 is welded and fixed with the inner, the bottom end of the supporting frame 7 is fixedly connected with a first spring 8, the bottom end of the first spring 8 is fixedly connected with a movable block 9, the bottom end of the supporting frame 7 is provided with an annular ring 10, the annular ring 10 is internally provided with a groove 11, the movable block 9 is matched with the groove 11, one side of the discharging head 1 is communicated with the material storage box 2, a baffle plate 12 is hinged in the discharging head 1, a second spring 13 is fixedly connected with one side of the baffle plate 12, one end of the second spring 13 is fixedly connected with an engagement block 14, a bearing is fixedly arranged in the engagement block 14, the connecting block 14 is rotatably connected with a threaded rod 15 through a bearing, the side wall of the discharging head 1 is provided with a threaded hole, the threaded rod 15 is in threaded connection with the threaded hole, the position of the connecting block 14 can be adjusted by rotating the threaded rod 15, therefore, the angle of the baffle 12 can be adjusted, and the discharge amount of the discharge head 1 can be adjusted.

Further, in the above technical scheme, telescopic sleeves 16 are arranged on both sides of the first spring 8, one end of each telescopic sleeve 16 is fixedly connected with the bottom end of the support frame 7, the other end of each telescopic sleeve 16 is fixedly connected with the surface of the movable block 9, and the arrangement of the telescopic sleeves 16 can provide guidance for the movement of the movable block 9;

further, in the above technical scheme, a heat insulation pad is arranged between the protrusion 5 and the heating plate 6, so that heat is prevented from being transferred to the stirring shaft 3, and the motor 4 is prevented from being burnt;

further, in the above technical scheme, the surface of the groove 11 is provided with a sealing gasket, so that the material at the top end of the annular ring 10 can be prevented from dropping downwards;

further, in the above technical scheme, a feed inlet is formed at the top end of the storage box 2;

further, in the above technical scheme, a channel for placing an electric wire is formed inside the stirring shaft 3, and a heating resistance wire is arranged inside the heating plate 6.

Further, in the above technical scheme, the baffle 12 is movably sleeved with the telescopic block 17, and the bottom end of the telescopic block 17 is always attached to the inner wall of the discharge head 1 under the action of gravity of the baffle.

This practical theory of operation:

referring to the attached drawings 1-2 of the specification, when the utility model is used, materials enter the storage box 2 through the feed inlet, the motor 4 drives the stirring shaft 3 to rotate, meanwhile, the heating sheet 6 on the surface of the stirring shaft 3 generates heat through the heating of the heating resistance wire, the materials can be stirred and heated in the rotating process, because the extrusion force of the materials can push the movable block 9 to move towards the bottom end of the annular ring 10, a gap is formed between the movable block 9 and the annular ring 10, the materials enter the bottom end of the storage box 2 through the gap and enter the discharging head 1, the baffle 12 can block the materials to enable the materials to uniformly flow at the two ends of the baffle 12, when the extrusion force exceeds the elastic force of the second spring 13, the baffle 12 is pushed out, the materials can be uniformly pushed out, thereby being beneficial to reducing the flow and flow rate errors of the die lip surface, thereby improving the production qualification rate; when stopping carrying the material, fly leaf top extrusion force disappears, and first spring 8 resumes deformation this moment and drives the movable block 9 card and advance inside annular ring 10 bottom recess 11, and second spring 13 resumes deformation simultaneously and drives baffle 12 and resume the normal position, can avoid the inside surplus material of storage case 2 to drip, is favorable to protecting the production environment.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims (7)

1. The utility model provides a production of curtain coating membrane is with curtain coating die head, includes stub bar (1) and storage case (2), its characterized in that: the heating and stirring device is arranged in the storage box (2) and comprises a stirring shaft (3) and a motor (4), a plurality of bulges (5) are arranged on the surface of the stirring shaft (3), heating sheets (6) are fixedly connected to the surfaces of the bulges (5), the motor (4) is fixedly arranged on one side of the storage box (2), the stirring shaft (3) penetrates through the side wall of the storage box (2) and is fixedly connected with an output shaft of the motor (4) through a coupler, a support frame (7) is arranged at the bottom end of the heating and stirring device, the support frame (7) is fixedly welded with the inner wall of the storage box (2), a first spring (8) is fixedly connected to the bottom end of the support frame (7), a movable block (9) is fixedly connected to the bottom end of the first spring (8), an annular ring (10) is arranged at the bottom end of the support frame (7), and a, the material discharging device is characterized in that the movable block (9) is matched with the groove (11), one side of the material discharging head (1) is communicated with the material storage box (2), a baffle (12) is hinged to the inside of the material discharging head (1), a second spring (13) is fixedly connected to one side of the baffle (12), one end of the second spring (13) is fixedly connected with a connecting block (14), a bearing is fixedly arranged inside the connecting block (14), the connecting block (14) is connected with a threaded rod (15) in a rotating mode through the bearing, a threaded hole is formed in the side wall of the material discharging head (1), and the threaded rod (15) is in threaded connection with the threaded hole.

2. The casting die for producing a cast film according to claim 1, characterized in that: the first spring (8) both sides all are provided with telescopic tube (16), telescopic tube (16) one end and support frame (7) bottom fixed connection, telescopic tube (16) other end and movable block (9) fixed surface are connected.

3. The casting die for producing a cast film according to claim 1, characterized in that: and a heat insulation pad is arranged between the protrusion (5) and the heating sheet (6).

4. The casting die for producing a cast film according to claim 1, characterized in that: the surface of the groove (11) is provided with a sealing gasket.

5. The casting die for producing a cast film according to claim 1, characterized in that: the top end of the material storage box (2) is provided with a feeding hole.

6. The casting die for producing a cast film according to claim 1, characterized in that: a channel for placing an electric wire is formed in the stirring shaft (3), and a heating resistance wire is arranged in the heating sheet (6).

7. The casting die for producing a cast film according to claim 1, characterized in that: the baffle (12) is movably sleeved with a telescopic block (17).

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