Heating and grinding device for polyvinyl alcohol film production

Abstract

The utility model discloses a heating and grinding device for polyvinyl alcohol film production, and relates to the field of grinding devices, the heating and grinding device comprises a case, a grinding assembly, a feeding part, a discharging pipe, a fixing assembly, a bolt for rotatably opening the outer surface of a threaded rod, so that a clamping plate and an arc-shaped plate are in contact and limited, and the arc-shaped plate is rotatably opened, so that an internal limiting frame and a screen are exposed; after the limiting frame is rotated and opened again, the screen in the limiting frame can be pulled out for replacement, during replacement, a feeding component does not need to be hit, the screen is convenient to replace, a limiting plate is pulled to be separated from a connecting block, then the connecting block is rotated, and the side, movably connected with an extrusion strip, of the outer surface of the connecting block is rotated to the outer side; the edge position of a cloth bag is inserted into the gap between the extrusion strips and the connecting block, and the edge of the cloth bag is clamped through the torsional springs at the connecting parts of the extrusion strips and the connecting block, so that the four extrusion strips correspond to four directions of the opening of the cloth bag, the cloth bag is clamped, and the cloth bag is convenient to fix.

Description

TECHNICAL FIELD

[0001] The utility model relates to grinding device technical field, especially in polyvinyl alcohol film production heating grinding device. BACKGROUND

[0002] Polyvinyl alcohol film is a water-soluble plastic film, which is made of polyvinyl alcohol resin through a specific processing technology. It has good transparency, flexibility, chemical resistance and biodegradability. In the production and processing of polyvinyl alcohol film, the raw materials need to be ground, blow molded and other processing steps to finally complete the preparation of polyvinyl alcohol film.

[0003] Before blow molding, it is necessary to select whether to need grinding treatment according to the size of the raw material particles, and part of the filler also needs to be ground. During grinding, the particles are added to the grinding machine, and the rotating fan blades inside the grinding machine hit the particles to the filter screen on the outer ring. The particles are broken by impact force. When the size of the broken particles is smaller than the hole of the filter screen, it passes through the filter screen and is discharged through the discharge port below.

[0004] The existing grinding device falls into the cloth bag when the grinding is completed. However, the existing grinding device lacks a component for fixing the cloth bag at the discharge port, and the worker needs to find another tool to fix it during use, which is not convenient to use. UTILITY MODEL CONTENTS

[0005] (I) Technical problem solved

[0006] In view of the problems existing in the prior art, the utility model provides a polyvinyl alcohol film production heating grinding device.

[0007] (II) Technical scheme

[0008] In order to achieve the above purpose, the utility model is realized by the following technical scheme: a polyvinyl alcohol film production heating grinding device, comprising a machine box, the upper surface of the machine box is provided with a grinding assembly, the outer surface of the grinding assembly is provided with a feeding component, the outer surface of the machine box is provided with a discharge pipe, the outer surface of the discharge pipe is provided with a fixing assembly;

[0009] The grinding assembly comprises a fixed cylinder fixedly connected to the upper surface of the machine box, a grinding disc movably connected inside the fixed cylinder, a limiting frame hinged to both sides of the fixed cylinder, a sieve screen inserted into the limiting frame, two arc-shaped plates for closing the fixed cylinder hinged to the outer surface of the fixed cylinder, a clamping plate fixedly connected to both sides of the arc-shaped plate, and a locking plate fixedly connected to the upper surface of the fixed cylinder for locking the clamping plate.

[0010] The fixed assembly comprises a connecting disc fixedly connected to the end of the discharge pipe away from the cabinet, four rotating blocks hingedly connected to the outer surface of the connecting disc, connecting blocks fixedly connected to the outer surface of the rotating blocks, and extrusion strips movably connected to the outer surface of the connecting blocks.

[0011] As a preferred scheme of the polyvinyl alcohol film production heating and grinding device, the inner wall of the cabinet is fixedly connected with a speed reducer motor, and the output end of the speed reducer motor is fixedly connected with the outer surface of the grinding disc through a fixed cylinder.

[0012] As a preferred scheme of the polyvinyl alcohol film production heating and grinding device, the outer surface of the limiting frame is fixedly connected with a pull rod, the side of the arc-shaped plate close to the grinding disc is provided with a square groove, two extrusion springs are fixedly connected in the square groove of the outer surface of the arc-shaped plate, an extrusion plate is fixedly connected to the end of the extrusion spring away from the arc-shaped plate, a plug-in plate is fixedly connected to the side of the extrusion plate close to the arc-shaped plate, a clamping groove matched with the plug-in plate is arranged on the outer surface of the arc-shaped plate, and an arc-shaped surface matched with the pull rod is arranged on the outer surface of the extrusion plate.

[0013] As a preferred scheme of the polyvinyl alcohol film production heating and grinding device, a gap is left between the screen and the arc-shaped plate, and a gap for discharging is arranged below the fixed cylinder.

[0014] As a preferred scheme of the polyvinyl alcohol film production heating and grinding device, a groove matched with the locking plate is arranged in the inside of the clamping plate, a threaded rod is fixedly connected to the outer surface of the locking plate, and a bolt for locking the clamping plate is engagedly connected to the outer surface of the threaded rod.

[0015] As a preferred scheme of the polyvinyl alcohol film production heating and grinding device, an insertion groove matched with the plug-in plate is arranged on the outer surface of the connecting block, a rectangular groove is arranged in the inside of the plug-in plate, an insertion rod is fixedly connected to the inner wall of the rectangular groove, a circular hole matched with the insertion rod is arranged on the outer surface of the connecting disc, a tension spring is fixedly connected between the inner wall of the rectangular groove and the outer surface of the connecting disc, a limiting strip is arranged on the lower surface of the plug-in plate, and a sliding groove for sliding of the plug-in plate is arranged on the outer surface of the connecting disc.

[0016] As a preferred scheme of the polyvinyl alcohol film production heating and grinding device, the extrusion strip is hingedly connected with the connecting block, and a torsion spring is arranged at the hinged part of the extrusion strip and the connecting block.

[0017] (Three) beneficial effects

[0018] This invention provides a heating and grinding apparatus for producing polyvinyl alcohol (PVA) films. It has the following beneficial effects:

[0019] 1. Rotate the bolts on the outer surface of the threaded rod to allow the snap-fit ​​plate and the arc plate to contact the limit position. Rotate the arc plate to expose the internal limit frame and screen. Rotate the limit frame again to allow the screen inside the limit frame to be pulled out for replacement. After replacement, close the limit frame and the arc plate. The extrusion plate on the inner side of the arc plate will press the pull rod under the action of the extrusion spring and the insert plate, thereby fixing the limit frame. When replacing, there is no need to open the feeding part again, making it convenient to replace the screen.

[0020] 2. Pull the limiting plate to disengage it from the connecting block. Then, rotate the connecting block by rotating the connecting block so that the side of the connecting block's outer surface that is connected to the extrusion strip rotates to the outside. Insert the edge of the bag into the gap between the extrusion strip and the connecting block. The torsion spring at the connection between the extrusion strip and the connecting block clamps the edge of the bag. This completes the clamping of the bag by using four extrusion strips, corresponding to the four positions of the bag opening, thus making it easier to fix the bag. Attached Figure Description

[0021] To more clearly illustrate the technical solutions in the embodiments of this utility model, the drawings used in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0022] Figure 1 This is a schematic diagram of the overall structure of this utility model.

[0023] Figure 2 This is an exploded structural diagram of the grinding component of this utility model.

[0024] Figure 3 This is a utility model Figure 2 A magnified structural diagram of A in the diagram.

[0025] Figure 4 This is an exploded structural diagram of the fixing component of this utility model.

[0026] Figure 5 This is an exploded structural diagram of the connecting block of this utility model.

[0027] In the figure, 1, case; 2, discharge pipe; 3, feeding component; 4, grinding assembly; 401, speed reducer motor; 402, clamping plate; 403, arc plate; 404, locking plate; 405, grinding disc; 406, screen; 407, extrusion plate; 408, extrusion spring; 409, plugboard; 410, limiting frame; 411, pull rod; 412, fixed cylinder; 5, fixing assembly; 501, connecting disc; 502, connecting block; 503, limiting plate; 504, rotating block; 505, extrusion strip; 506, plug-in rod; 507, tension spring. DETAILED DESCRIPTION

[0028] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model.

[0029] Embodiment 1

[0030] Referring to Figure 1 , Figure 2 and Figure 3 , the first embodiment of the utility model provides a polyvinyl alcohol film production heating grinding device, including case 1, the upper surface of case 1 is provided with grinding assembly 4, the outer surface of grinding assembly 4 is provided with feeding component 3, the outer surface of case 1 is provided with discharge pipe 2, the outer surface of discharge pipe 2 is provided with fixing assembly 5, grinding assembly 4 includes fixed cylinder 412 fixedly connected on the upper surface of case 1, the inside of fixed cylinder 412 is movably connected with grinding disc 405, the two sides of fixed cylinder 412 are hingedly connected with limiting frame 410, the inside of limiting frame 410 is inserted with screen 406, the outer surface of fixed cylinder 412 is hingedly connected with two arc-shaped plates 403 for closing fixed cylinder 412, the two sides of arc-shaped plate 403 are fixedly connected with clamping plate 402, the upper surface of fixed cylinder 412 is fixedly connected with locking plate 404 for locking clamping plate 402.

[0031] Specifically, the inner wall of the cabinet 1 is fixedly connected with a reduction motor 401, the output end of the reduction motor 401 is fixedly connected with the outer surface of the grinding disc 405 through a fixed cylinder 412, the outer surface of the limiting frame 410 is fixedly connected with a pull rod 411, the side of the arc-shaped plate 403 close to the grinding disc 405 is provided with a square groove, the square groove in the outer surface of the arc-shaped plate 403 is fixedly connected with two extrusion springs 408, the one end of the extrusion spring 408 away from the arc-shaped plate 403 is fixedly connected with an extrusion plate 407, the side of the extrusion plate 407 close to the arc-shaped plate 403 is fixedly connected with an insertion plate 409, the outer surface of the arc-shaped plate 403 is provided with a clamping groove matched with the insertion plate 409, the outer surface of the extrusion plate 407 is provided with an arc-shaped surface matched with the pull rod 411, the gap is left between the screen 406 and the arc-shaped plate 403, the lower portion of the fixed cylinder 412 is provided with a gap for discharging, the inner portion of the clamping plate 402 is provided with a groove matched with the locking plate 404, the outer surface of the locking plate 404 is fixedly connected with a threaded rod, the outer surface of the threaded rod is engagedly connected with a bolt for locking the clamping plate 402.

[0032] Further, after rotating and opening the bolt on the outer surface of the threaded rod, the clamping plate 402 and the arc-shaped plate 403 are contacted and limited, the arc-shaped plate 403 is rotated and opened, so that the limiting frame 410 and the screen 406 in the inner portion are exposed, after rotating and opening the limiting frame 410 again, the screen 406 in the inner portion of the limiting frame 410 can be drawn out for replacement, after the replacement is completed and the limiting frame 410 and the arc-shaped plate 403 are closed, the extrusion plate 407 on the inner side of the arc-shaped plate 403 extrudes the pull rod 411 under the action of the extrusion spring 408 and the insertion plate 409, so that the limiting frame 410 is fixed, the connection relationship between the feeding component 3 and other components, the working principle and the operation sequence belong to the common knowledge known by the person skilled in the art, and will not be described in detail here.

[0033] Embodiment 2

[0034] Referring to Figure 1 , Figure 4 and Figure 5 , it is the second embodiment of the utility model, which is based on the previous embodiment, the fixed component 5 comprises a connecting disc 501 fixedly connected to the end of the discharge pipe 2 away from the cabinet 1, four rotating blocks 504 are hingedly connected to the outer surface of the connecting disc 501, connecting blocks 502 are fixedly connected to the outer surface of the rotating blocks 504, extrusion strips 505 are movably connected to the outer surface of the connecting blocks 502, and limiting plates 503 are arranged on the outer surface of the connecting disc 501 for locking the rotating blocks 504.

[0035] Specifically, the outer surface of the connecting block 502 is provided with a slot matched with the plug plate 409, the inner surface of the plug plate 409 is provided with a rectangular groove, the inner wall of the rectangular groove is fixedly connected with a plug rod 506, the outer surface of the connecting disc 501 is provided with a circular hole matched with the plug rod 506, the inner wall of the rectangular groove and the outer surface of the connecting disc 501 are fixedly connected with a tension spring 507, the lower surface of the plug plate 409 is provided with a limiting strip, the outer surface of the connecting disc 501 is provided with a sliding groove for sliding of the plug plate 409, the extrusion strip 505 is hingedly connected with the connecting block 502, and the hinged part of the extrusion strip 505 and the connecting block 502 is provided with a torsion spring.

[0036] Further, the limiting plate 503 is pulled to make the limiting plate 503 disengage from the connecting block 502, then the connecting block 502 is rotated by rotating the rotating block 504, so that the outer surface of the connecting block 502 rotates to the outside of the side of the extrusion strip 505, then the edge position of the cloth bag is inserted into the gap between the extrusion strip 505 and the connecting block 502, and the edge of the cloth bag is clamped by the torsion spring at the connecting part of the extrusion strip 505 and the connecting block 502, so that the four extrusion strips 505 corresponding to the four directions of the cloth bag opening are clamped, thereby realizing clamping of the cloth bag.

[0037] Working principle: in the production of polyvinyl alcohol film raw material grinding, the raw material is added into the feeding part 3, through the feeding part 3, the raw material is transported into the fixed cylinder 412, then the cloth bag for discharging is installed on the outer surface of the discharge pipe 2, when installing, pull the limiting plate 503, so that the limiting plate 503 is separated from the connecting block 502, then rotate the connecting block 502 through the rotating block 504, so that one side of the extrusion strip 505 connected with the outer surface of the connecting block 502 is rotated to the outside, then the edge position of the cloth bag is inserted into the gap between the extrusion strip 505 and the connecting block 502, and the edge of the cloth bag is clamped through the torsion spring at the connecting position of the extrusion strip 505 and the connecting block 502, so as to complete the clamping of the cloth bag by the four extrusion strips 505 corresponding to the four directions of the cloth bag opening, so as to realize the clamping of the cloth bag, then rotate the rotating block 504, so that the cloth bag edge clamped by the connecting block 502 and the extrusion strip 505 rotates with the rotation of the rotating block 504, so as to make the cloth bag wrap the opening position of the discharge pipe 2, and after the connecting block 502 rotates back, the limiting plate 503 is inserted into the slot on the outer surface of the connecting block 502 through the action of the extension spring 507, so as to realize the locking of the connecting block 502, and indirectly realize the locking of the cloth bag. Before grinding, replace the screen 406 according to the need of grinding, rotate the bolt on the outer surface of the opening screw rod, so that the clamping plate 402 and the arc plate 403 contact the limit, rotate the arc plate 403 to expose the limiting frame 410 and the screen 406 in the inside, rotate the limiting frame 410 again to extract the screen 406 in the inside of the limiting frame 410 for replacement, after closing the limiting frame 410 and the arc plate 403, the extrusion plate 407 on the inner side of the arc plate 403 extrudes the pull rod 411 under the action of the extrusion spring 408 and the plug plate 409, so as to realize the fixation of the limiting frame 410. After starting grinding, the grinding disc 405 is driven to rotate by the reduction motor 401, so that the material in the inside is hit by the grinding disc 405 and is hit to the position of the screen 406, so as to realize grinding, and finally complete the grinding processing of polyvinyl alcohol film production raw material.

[0038] It should be noted that in this paper, relationship terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between the entities or operations.

Claims

1. A heating and grinding device for the production of polyvinyl alcohol film, comprising a cabinet (1), characterized in that: The upper surface of the cabinet (1) is provided with a grinding assembly (4), the outer surface of the grinding assembly (4) is provided with a feeding component (3), the outer surface of the cabinet (1) is provided with a discharging pipe (2), and the outer surface of the discharging pipe (2) is provided with a fixing assembly (5). The grinding assembly (4) comprises a fixed cylinder (412) fixedly connected to the upper surface of the cabinet (1), a grinding disc (405) movably connected to the inside of the fixed cylinder (412), a limiting frame (410) hingedly connected to the two sides of the fixed cylinder (412), a screen (406) inserted into the inside of the limiting frame (410), and two arc-shaped plates (403) hingedly connected to the outer surface of the fixed cylinder (412) and used for closing the fixed cylinder (412), wherein the two sides of each arc-shaped plate (403) are fixedly connected with a clamping plate (402), and the upper surface of the fixed cylinder (412) is fixedly connected with a locking plate (404) used for locking the clamping plate (402). The fixing assembly (5) comprises a connecting disc (501) fixedly connected to the end of the discharging pipe (2) away from the cabinet (1), four rotating blocks (504) hingedly connected to the outer surface of the connecting disc (501), a connecting block (502) fixedly connected to the outer surface of each rotating block (504), and an extrusion strip (505) movably connected to the outer surface of the connecting block (502), wherein the outer surface of the connecting disc (501) is provided with a limiting plate (503) used for locking the rotating block (504).

2. A heating and grinding device for polyvinyl alcohol film production according to claim 1, characterized in that: The inner wall of the cabinet (1) is fixedly connected with a speed reducer (401), and the output end of the speed reducer (401) is fixedly connected with the outer surface of the grinding disc (405) through the fixed cylinder (412).

3. A heating and grinding device for polyvinyl alcohol film production according to claim 2, characterized in that: The outer surface of the limiting frame (410) is fixedly connected with a pull rod (411), one side of the arc-shaped plate (403) close to the grinding disc (405) is provided with a square groove, two extrusion springs (408) are fixedly connected to the inside of the square groove of the outer surface of the arc-shaped plate (403), one end of each extrusion spring (408) away from the arc-shaped plate (403) is fixedly connected with an extrusion plate (407), one side of the extrusion plate (407) close to the arc-shaped plate (403) is fixedly connected with an insertion plate (409), the outer surface of the arc-shaped plate (403) is provided with a clamping groove matched with the insertion plate (409), and the outer surface of the extrusion plate (407) is provided with an arc-shaped surface matched with the pull rod (411).

4. A heating and grinding device for polyvinyl alcohol film production according to claim 3, characterized in that: A gap is left between the screen (406) and the arc-shaped plate (403), and a gap for discharging is arranged below the fixed cylinder (412).

5. A heating and grinding device for polyvinyl alcohol film production according to claim 4, characterized in that: The inside of the clamping plate (402) is provided with a groove matched with the locking plate (404), the outer surface of the locking plate (404) is fixedly connected with a threaded rod, and the outer surface of the threaded rod is engagedly connected with a bolt used for locking the clamping plate (402).

6. A heating and grinding device for polyvinyl alcohol film production according to claim 5, characterized in that: The outer surface of the connecting block (502) is provided with a slot matched with the plug-in plate (409), the inside of the plug-in plate (409) is provided with a rectangular groove, the inner wall of the rectangular groove is fixedly connected with a plug-in rod (506), the outer surface of the connecting disc (501) is provided with a round hole matched with the plug-in rod (506), the inner wall of the rectangular groove and the outer surface of the connecting disc (501) are fixedly connected with a tension spring (507), the lower surface of the plug-in plate (409) is provided with a limiting strip, and the outer surface of the connecting disc (501) is provided with a sliding groove for the sliding of the plug-in plate (409).

7. A heating and grinding device for polyvinyl alcohol film production according to claim 6, characterized in that: The extrusion strip (505) is hinged with the connecting block (502), and the hinged part of the extrusion strip (505) and the connecting block (502) is provided with a torsion spring.

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