CN223431956U - A screen changing device for an extruder used in the production of EVA films - Google Patents
A screen changing device for an extruder used in the production of EVA filmsInfo
- Publication number
- CN223431956U CN223431956U CN202421969089.8U CN202421969089U CN223431956U CN 223431956 U CN223431956 U CN 223431956U CN 202421969089 U CN202421969089 U CN 202421969089U CN 223431956 U CN223431956 U CN 223431956U
- Authority
- CN
- China
- Prior art keywords
- box
- wall
- extruder
- mounting frame
- tie rod
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- Extrusion Moulding Of Plastics Or The Like (AREA)
Abstract
The utility model discloses an extruder net replacing device for EVA film production, which relates to the technical field of EVA film production and comprises a base and an extruder main body, wherein the right side wall of the extruder main body is connected with a fixed box and an extrusion head, a mounting frame is vertically connected in the fixed box, a filter screen is arranged on the inner wall of the mounting frame, a fixed seat is arranged on the outer wall of the fixed box, a lifting toothed plate is vertically and slidably connected in the fixed seat, a mounting box is arranged at the top of the lifting toothed plate, a tie rod is slidably connected in the mounting box, a clamping block is arranged at one end of the tie rod, which is close to the mounting frame, and a clamping groove matched with the clamping block is formed in the side wall of the mounting frame. The lifting toothed plate can drive the installation box and the installation frame to move, so that a filter screen in the installation frame is quickly separated from the fixed box, the clamping blocks can be far away from the clamping grooves through the sliding of the transverse pull rods in the installation box, the installation frame can be quickly taken down after the installation frame is not limited by the clamping blocks, the filter screen can be cleaned and replaced conveniently, and the filtering effect of the extruder for producing EVA adhesive films is improved.
Description
Technical Field
The utility model relates to the technical field of EVA adhesive film production, in particular to a net replacing device of an extruder for EVA adhesive film production.
Background
The EVA film is a common plastic film, and is a high-viscosity film material sheet prepared by using high polymer resin (ethylene-vinyl acetate copolymer) as a main raw material, adding special auxiliary agents and processing by special equipment, wherein an extruder is required to be used for cooling and shaping the EVA film in the conveying process during the production of the EVA film.
An EVA glued membrane extruder with feed bidirectional regulation function of publication number CN203622926U, including the main machine barrel, locate the extrusion screw in the main machine barrel and be used for driving extrusion screw pivoted driving motor, the feed end of main machine barrel is equipped with the feed hopper, the feed hopper bottom system is cone-top decurrent toper and is made to have the opening that is located cone-top department, the discharge end of main machine barrel is equipped with the die head, the feed hopper bottom is connected with additional feed cylinder, additional feed cylinder is equipped with the regulating plate with the crossing through-hole department in feed hopper bottom, the one end of regulating plate is in depth in the feed hopper and its other end is in depth in the additional feed cylinder, the die head exit is equipped with the flow sensor who is used for producing material flow information, the feed hopper outside is equipped with and is used for receiving behind the material flow information drive regulating plate pivoted regulating motor. The EVA film extruder has the advantages of greatly changing the feeding of the extruder in a short time and adapting to the fluctuation of the production of the molten resin.
The existing extruder for producing most EVA adhesive films is usually provided with a filter screen, impurities in the extruder are filtered through the filter screen, the filter screen can be blocked by the impurities along with the increase of the service time, and the filter effect of the filter screen is affected, so that manual personnel are required to regularly replace the filter screen, but the existing most filter screen is directly arranged on the extrusion head of the extruder, the whole extrusion head is required to be detached during replacement, the operation is troublesome, the working efficiency is low, and the filter screen is inconvenient to replace.
Disclosure of utility model
The utility model aims to provide an extruder screen changing device for EVA film production, which aims to solve the problems of troublesome operation and low working efficiency caused by the fact that the whole extrusion head is required to be detached when a filter screen is replaced in the background technology.
In order to achieve the above purpose, the present utility model provides the following technical solutions:
The extruder screen changing device for EVA adhesive film production comprises a base, wherein an extruder main body is mounted on the base, a charging hopper is arranged at the left end of the top of the extruder main body, a fixed box and an extrusion head which are communicated are connected to the right side wall of the extruder main body, an opening is formed in the fixed box, a mounting frame is vertically connected in the opening, and a filter screen is arranged on the inner wall of the mounting frame;
The fixing base is installed to the outer wall of fixed box, and vertical sliding connection has the lift pinion rack in the fixing base, and the top of going up and down the pinion rack is equipped with the mounting box, and sliding connection has the tie rod in the mounting box, and the both ends of tie rod run through the both ends of mounting box, and the chucking piece is installed to the one end that the tie rod is close to the mounting frame, and the lateral wall of mounting frame offered the chucking groove with chucking piece looks adaptation.
Further, a gear motor is arranged on the outer wall of the fixed seat, a rotating shaft is arranged at the output end of the gear motor, a rotating gear is sleeved on the rotating shaft, and the rotating gear is meshed with the lifting toothed plate.
Further, the outer wall of the transverse pull rod is connected with a sliding plate, the sliding plate is connected to the inner wall of the installation box in a sliding mode, the outer wall of the transverse pull rod is sleeved with a compression spring, and the compression spring is located between the outer side face of the sliding plate and the inner wall of the installation box.
Further, the top of the mounting frame is provided with a heat insulation handle.
Further, one end of the tie rod, which is far away from the clamping block, is connected with a pull ring, and the hand-held end of the pull ring is sleeved with an anti-slip rubber sleeve.
Further, the outer surface of the clamping block is provided with an anti-slip pad, and the inner wall of the clamping groove is embedded with bulges which are distributed in a staggered way.
Compared with the prior art, the utility model has the beneficial effects that:
According to the utility model, the rotating gear on the rotating shaft can be driven to rotate through the work of the gear motor, and the rotating gear is meshed with the lifting toothed plate, so that the lifting toothed plate can lift, the installation box and the installation frame are driven to move, the filter screen in the installation frame can be quickly separated from the fixed box, the clamping blocks can be far away from the clamping grooves through the functions of the transverse pull rod, the sliding plate and the compression spring in the installation box, and after the installation frame is not limited by the clamping blocks, the installation frame can be quickly taken down, so that the filter screen can be conveniently cleaned and replaced, the filtering effect of the extruder for producing EVA adhesive films is improved, and the quality of finished EVA adhesive film production products is improved.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic view of the connection structure of the fixing case and the extrusion head of the present utility model;
Fig. 3 is a schematic cross-sectional view of a side connection structure of a fixing base and a mounting box of the utility model.
In the figure, 1, a base; 2, an extruder main body, 3, a charging hopper, 4, a fixed box, 5, an extrusion head, 6, a mounting frame, 7, a filter screen, 8, a heat insulation handle, 9, a fixed seat, 10, a lifting toothed plate, 11, a mounting box, 12, a speed reducing motor, 13, a rotating gear, 14, a transverse pull rod, 15, a compression spring, 16, a sliding plate, 17, a clamping block, 18 and a clamping 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. 1-3, the utility model provides a technical scheme that an extruder screen changing device for EVA film production comprises a base 1, wherein an extruder main body 2 is arranged on the base 1, a charging hopper 3 is arranged at the left end of the top of the extruder main body 2, a fixed box 4 and an extrusion head 5 which are communicated are connected to each other, an opening is formed in the fixed box 4, a mounting frame 6 is vertically connected in the opening, a filter screen 7 is arranged on the inner wall of the mounting frame 6, the extruder during EVA film production is existing equipment, the specific structure and the working principle are not described herein, before using, the electrical ends of electric equipment are electrically connected with an external power supply and the electrical ends of a controller, the top of the mounting frame 6 penetrates through the top wall of the fixed box 4, and the filter screen 7 filters raw materials extruded by the extrusion head 5;
The fixing seat 9 is arranged on the outer wall of the fixing box 4, the lifting toothed plate 10 is vertically and slidably connected in the fixing seat 9, the mounting box 11 is arranged at the top of the lifting toothed plate 10, the transverse pull rod 14 is slidably connected in the mounting box 11, two ends of the transverse pull rod 14 penetrate through two ends of the mounting box 11, the clamping block 17 is arranged at one end, close to the mounting frame 6, of the transverse pull rod 14, the clamping groove 18 matched with the clamping block 17 is formed in the side wall of the mounting frame 6, the fixing seat 9 is fixedly connected with the outer wall of the fixing box 4, the lifting toothed plate 10 is fixedly connected with the mounting box 11, the lifting toothed plate 10 drives the mounting box 11 and the mounting frame 6 to lift, the filter screen 7 in the mounting frame 6 can be quickly separated from the fixing box 4, the clamping block 17 can be quickly separated from the clamping groove 18 through the pulling of the transverse pull rod 14 in the mounting box 11, the mounting frame 6 can be quickly removed after the mounting frame 6 is not limited by the clamping block 17, the cleaning and replacing of the filter screen 7 in the mounting frame 6 can be conveniently carried out, and the filter effect of the EVA production extruder is improved, and the quality of EVA production finished product is improved.
Preferably, the outer wall of the fixed seat 9 is provided with a gear motor 12, the output end of the gear motor 12 is provided with a rotating shaft, the rotating shaft is sleeved with a rotary gear 13, the rotary gear 13 is meshed with the lifting toothed plate 10, the gear motor 12 can drive the rotary gear 13 on the rotating shaft to rotate forward or reversely, and the lifting toothed plate 10 is provided with a plurality of groups of meshing grooves matched with the rotary gear 13, so that the gear motor 12 can drive the lifting toothed plate 10 to lift in the fixed seat 9.
Preferably, the outer wall of the tie rod 14 is connected with a sliding plate 16, the sliding plate 16 is slidably connected to the inner wall of the mounting box 11, the outer wall of the tie rod 14 is sleeved with a compression spring 15, the compression spring 15 is located between the outer side face of the sliding plate 16 and the inner wall of the mounting box 11, the tie rod 14 is fixedly connected with a locking block 17, the sliding plate 16 can be driven to move outwards through the external pulling of the tie rod 14, the compression spring 15 is compressed at the moment, the locking block 17 is close to the side wall of the mounting box 11, the mounting frame 6 can be aligned with the opening at the top of the fixed box 4, after the clamping groove 18 is aligned with the locking block 17, the compressed compression spring 15 can automatically return after the tie rod 14 is loosened, so that the locking block 17 moves and is connected with the clamping groove 18, namely the positions of the mounting box 11 and the mounting frame 6 are fixed, and the operation of workers is facilitated.
Preferably, the top of the mounting frame 6 is provided with a heat insulation handle 8, and the heat insulation handle 8 facilitates the lifting of the mounting frame 6 by a worker.
Preferably, one end of the transverse pull rod 14 far away from the clamping block 17 is connected with a pull ring, and the hand-held end of the pull ring is sleeved with an anti-slip rubber sleeve, so that the pull ring facilitates the pulling of the transverse pull rod 14, and the anti-slip rubber sleeve plays an anti-slip role and prevents the hand from slipping off when the pull ring is held.
Example 2:
Referring to fig. 3, the embodiment is different from the first embodiment in that the outer surface of the clamping block 17 is provided with anti-slip pads, the inner wall of the clamping groove 18 is embedded with protrusions distributed in a staggered manner, and the anti-slip pads and the protrusions increase the friction force of connection between the anti-slip pads and the protrusions, so that the stability of the mounting box 11 after being fixed with the mounting frame 6 is improved.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202421969089.8U CN223431956U (en) | 2024-08-14 | 2024-08-14 | A screen changing device for an extruder used in the production of EVA films |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202421969089.8U CN223431956U (en) | 2024-08-14 | 2024-08-14 | A screen changing device for an extruder used in the production of EVA films |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN223431956U true CN223431956U (en) | 2025-10-14 |
Family
ID=97278064
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202421969089.8U Active CN223431956U (en) | 2024-08-14 | 2024-08-14 | A screen changing device for an extruder used in the production of EVA films |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN223431956U (en) |
-
2024
- 2024-08-14 CN CN202421969089.8U patent/CN223431956U/en active Active
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant |