CN209812864U

CN209812864U - A filter equipment for PVC plastic film production

Info

Publication number: CN209812864U
Application number: CN201920683988.4U
Authority: CN
Inventors: 吴斌; 倪建赟; 陈秀文; 吴南
Original assignee: Hebei Hangda New Material Technology Co Ltd
Current assignee: Hebei Hangda New Material Technology Co Ltd
Priority date: 2019-05-14
Filing date: 2019-05-14
Publication date: 2019-12-20
Anticipated expiration: 2029-05-14

Abstract

The utility model discloses a filtering device for PVC plastic film production, which belongs to the technical field of PVC film production equipment and comprises a left cylinder body, a right cylinder body, a filtering pore plate, an adjusting pore plate, a guide mechanism and a driving mechanism thereof; the filtering pore plate is in a circular plate shape and is arranged at the rear end of the inner hole of the left barrel, and a plurality of sieve pores which are regularly distributed are arranged on the filtering pore plate; the left cylinder body and the right cylinder body are connected together through a first middle flange and a second middle flange in the middle of the left cylinder body and the right cylinder body, and the middle of the left cylinder body and the middle of the right cylinder body slide through the adjusting orifice plate; the left large surface of the adjusting pore plate is coincided and contacted with the rear end surface of the filtering pore plate, and movable sieve pores are arranged at the positions of the lower part of the adjusting pore plate corresponding to the sieve pores of the filtering pore plate; the adjusting orifice plate is driven by the driving mechanism and slides up and down in a reciprocating manner in the vertical direction along the limitation of the guide mechanism. The utility model is used for the filter equipment of PVC plastic film production can adjust the sieve mesh size of filtration pore board, adjusts filter fineness, reduces the maintenance work load.

Description

A filter equipment for PVC plastic film production

Technical Field

The utility model relates to a PVC membrane production facility technical field especially relates to a filter equipment for PVC plastic film production.

Background

The plastic film is a common daily product for people, and has the advantages of good transparency, good moisture resistance, excellent heat resistance, convenient use, low price and the like, and is widely used in various industries. With the development of economy and the adjustment of rural industrial structures, the market demand of various industries in China on plastic films is continuously increased.

When the PVC plastic film is produced, the PVC plastic film is prepared by the following steps: PVC mixture-high speed kneading-banburying-roll milling-extrusion filtering-four-roll calendering-leading-off and other processes. In the field of plastic molding processing, PVC is difficult to process, a mixture can be sent to an extruder for processing only by adding stabilizers, processing aids, lubricants, impact resistant agents and other aids and mixing the additives through a high-temperature stirrer, and in addition, in order to reduce the production cost, a large amount of fillers and reclaimed materials are added into the mixture by various manufacturers, so that a small amount of small particles difficult to plasticize are bound to exist in the mixture, and the small particles are finally hidden in a molded product, so that impurities such as black spots, fish eyes and the like can appear on the surface of the product, and the appearance and the service performance of the product are seriously influenced. To avoid this, it is current practice to place a circular perforated filter plate between the extruder outlet and the delivery duct. However, since the size of the holes of the filtering hole plate cannot be adjusted, the filtering hole plate cannot be applied to more complicated working conditions, and is easy to block, so that the maintenance workload is increased.

Therefore, it is necessary to provide a filtering device for PVC plastic film production, which can flexibly adjust the size of the screen holes in response to the above-mentioned disadvantages.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a filter equipment for PVC plastic film production, adjustment filtration pore plate's that can be convenient sieve mesh size reduces blocking phenomenon, reduces the maintenance work volume.

In order to solve the technical problem, the utility model adopts the following technical scheme:

the utility model relates to a filtering device for PVC plastic film production, which comprises a left cylinder, a right cylinder, a filtering orifice plate, an adjusting orifice plate, a guide mechanism and a driving mechanism; the filter pore plate is in a round plate shape and is arranged at the rear end of the inner hole of the left cylinder body, and a plurality of sieve pores which are regularly distributed are arranged on the filter pore plate; the left cylinder body and the right cylinder body are connected together through a first middle flange and a second middle flange in the middle of the left cylinder body and the right cylinder body, and the middle of the left cylinder body and the middle of the right cylinder body slide through the regulating orifice plate; the large left side surface of the adjusting pore plate is in contact with the rear end surface of the filtering pore plate, the lower part of the adjusting pore plate is provided with movable sieve pores, the movable sieve pores are matched with the sieve pores, and the movable sieve pores are in one-to-one correspondence with the sieve pores;

the driving mechanism is installed above the left barrel and the right barrel through a support, the guide mechanism is arranged above the right barrel, and the driving mechanism is connected with the top end of the adjusting hole plate and drives the adjusting hole plate to slide in a reciprocating mode in the vertical direction under the limitation of the guide mechanism.

Furthermore, be provided with left sealing washer and right sealing washer on the relative terminal surface of left side barrel and right barrel respectively, the exposed face of left side sealing washer and right sealing washer with two side in the left and right sides of adjusting orifice plate are laminated mutually.

Furthermore, guiding mechanism includes location guide block and guide way, the location guide block passes through screwed connection and is in the upper portion of right side barrel, the guide way sets up right side and the position of adjusting orifice plate with the vertical guide block part of location guide block suits, when adjusting orifice plate reciprocates the guide way is followed vertical guide block part slides.

Furthermore, the driving mechanism comprises an output shaft, a sliding block and a speed reducing motor, the speed reducing motor is installed on the bracket, and the speed reducing motor is connected with one end of the output shaft through gear transmission; the output shaft is erected on the bracket through two ends of a bearing, an eccentric wheel is assembled in the middle of the output shaft, and the eccentric wheel is nested in the middle of the sliding block in a sliding manner; the slider slides along the last spout reciprocating motion that the regulation orifice plate top set up.

Furthermore, one side of slider is provided with fixed fender platform, the opposite side of slider passes through screw fixedly connected with dog, upper and lower two the dog will the slider slip joint is in the last spout at filtration orifice plate top.

Further, the filter hole plate is connected in the inner hole of the left cylinder body in a positioning mode through a key.

Compared with the prior art, the utility model discloses a beneficial technological effect:

the utility model relates to a filter equipment for PVC plastic film production, through adjusting the orifice plate quilt actuating mechanism drive slides in vertical direction, and the coincidence area of activity sieve mesh and the sieve mesh of filtration orifice plate changes, and then adjusts the utility model discloses filter equipment's holistic sieve mesh's size, further adjustment filter effect.

In addition, the driving structure drives the output shaft and the eccentric wheel to rotate by a certain angle through the speed reduction motor, the eccentric wheel rotates to drive the sliding block to slide in the upper sliding groove, and meanwhile, the adjusting orifice plate is driven to move up and down by a certain displacement.

Drawings

The present invention will be further explained with reference to the following description of the drawings.

FIG. 1 is a schematic structural diagram of the filtering device for producing PVC plastic film according to the present invention with the largest sieve pore; (section view)

FIG. 2 is a left side view of FIG. 1;

FIG. 3 is a view taken along line A of FIG. 1;

FIG. 4 is a schematic structural diagram of the filtering device for producing PVC plastic film according to the present invention in a state of the smallest sieve pore; (section view)

Description of reference numerals: 1. a left barrel; 1a, a first intermediate flange; 1b, a left sealing ring; 2. a right cylinder; 2a, a second intermediate flange; 2b, a right sealing ring; 3. a filter orifice plate; 3a, screening holes; 3b, a bond; 4. adjusting the orifice plate; 4a, moving sieve pores; 4b, a guide groove; 4c, an upper chute; 5. a support; 6. an output shaft; 601. an eccentric wheel; 7. a slider; 701. a stopper; 8. a reduction motor; 9. and positioning the guide block.

Detailed Description

The core of the utility model is to provide a filter equipment for PVC plastic film production, adjustment filtration pore plate's that can be convenient sieve mesh size reduces blocking phenomenon, reduces the maintenance work volume.

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In a specific embodiment, as shown in fig. 1-2, a filtering device for producing a PVC plastic film comprises a left cylinder 1, a right cylinder 2, a filtering pore plate 3, an adjusting pore plate 4, a guiding mechanism and a driving mechanism thereof; the filtering pore plate 3 is in a circular plate shape and is fixedly arranged at the rear end of the inner hole of the left cylinder body 1, and a plurality of regularly distributed sieve pores 3a are arranged on the filtering pore plate 3; the left barrel body 1 and the right barrel body 2 are connected together through a first middle flange 1a and a second middle flange 2a at the middle positions of the left barrel body and the right barrel body, and the middle of the left barrel body 1 and the middle of the right barrel body 2 slide through an adjusting orifice plate 4; the left side large face of the adjusting orifice plate 4 is in contact with the rear end face of the filtering orifice plate 3, the lower portion of the adjusting orifice plate 4 is provided with movable sieve holes 4a, the movable sieve holes 4a are matched with the sieve holes 3a, and the movable sieve holes 4a are in one-to-one correspondence with the sieve holes 3 a.

The driving mechanism is arranged above the left barrel body 1 and the right barrel body 2 through a support 5, and the guide mechanism is arranged above the right barrel body 2. The driving mechanism is connected with the top end of the adjusting orifice plate 4 and drives the adjusting orifice plate to slide in a reciprocating manner in the vertical direction under the limitation of the guide mechanism. Adjusting hole board 4 quilt during the actuating mechanism drive, slide in vertical direction, the coincidence area of activity sieve mesh 4a and sieve mesh 3a changes, and then adjusts the utility model discloses the size of filter equipment's holistic sieve mesh further adjusts the filter effect.

Further, be provided with left sealing washer 1b and right sealing washer 2b between the middle terminal surface of left barrel 1 and right barrel 2 and the left and right two sides of adjusting orifice plate 4 respectively, left sealing washer 1b and right sealing washer 2 b's exposed face with two sides in the left and right of adjusting orifice plate 4 are laminated mutually. Can guarantee that the material passes through the utility model discloses during filter equipment, the condition of side seepage material can not take place.

In a specific embodiment of the present invention, as shown in fig. 1 and 4, the guiding mechanism includes a positioning guiding block 9 and a guiding groove 4b, the positioning guiding block 9 is connected to the upper portion of the right barrel 2 through a screw, and the guiding block portion of the positioning guiding block 9 is vertically arranged; the guide groove 4b is provided on the right side of the regulating orifice plate 4 and is positioned in conformity with the vertical guide block portion of the positioning guide block 9, and slides with respect to the vertical direction. Through the setting of location guide block 9 and guide way 4b, guarantee that adjusting orifice plate 4 can only be along vertical direction reciprocating sliding. Of course, the guiding mechanism can also be implemented in other forms, for example, in a manner of sliding block guide posts or in a manner of symmetrically arranging guiding C-shaped grooves on the narrow side of the adjusting orifice plate 4, and such guiding mechanisms all fall into the protection scope of the present invention.

In a specific embodiment of the present invention, as shown in fig. 1 to 4, the driving mechanism includes an output shaft 6, a slider 7 and a reduction motor 8, the reduction motor 8 is mounted on the bracket 5, and the reduction motor 8 is connected to one end of the output shaft 6 through gear transmission; an output shaft 6 is erected on the bracket 5 through two ends of a bearing, an eccentric wheel 601 is assembled in the middle of the output shaft 6, and the eccentric wheel 601 is slidably nested in the middle of the sliding block 7; the slider 7 is horizontally reciprocated along an upper chute 4c provided at the top of the orifice plate 4. In this embodiment, gear motor 8 specifically adopts servo motor to control, has guaranteed the controllable of the rotation angle of the eccentric wheel 601 of output shaft 6, and then control adjusting orifice plate 4 at the ascending removal displacement of vertical side, the adjustment the utility model discloses the size of filter equipment's holistic sieve mesh further adjusts the filter effect. Of course, the driving mechanism can also be realized by a short-stroke hydraulic cylinder, and the embodiment also falls into the protection scope of the present invention.

Further, one side of the sliding block 7 is provided with a fixed stop table, the other side of the sliding block 7 is fixedly connected with a stop dog 701 through a screw, and the sliding block 7 is clamped in an upper chute 4c at the top of the adjusting hole plate 4 through the upper stop dog 701 and the lower stop dog 701 in a sliding manner. The stop block 701 which can be detachably connected ensures that the slide block 7 can be installed in the upper chute 4c and also can be detached for maintenance and replacement.

In a specific embodiment of the present invention, as shown in fig. 2, the filtering hole plate 3 is positioned and connected in the inner hole of the left cylinder 1 by a key 3 b. Can guarantee to filter the orifice plate 3 through setting up of key 3b the utility model discloses in the filter equipment use, can not take place rotation in a circumferential direction because of the impact of material, influence the utility model discloses the adjustment effect of the size of filter equipment's holistic sieve mesh.

The utility model is used for filter equipment's of PVC plastic film production adjustment process: in the initial position, as shown in fig. 1 and 3, the adjusting orifice plate 4 is in the highest position, and the distal end point of the eccentric 601 is in the highest position; at this time, the overlapping area of the movable sieve holes 4a and the sieve holes 3a is the largest, that is, the passing rate of the impurities in the material is the largest. When the sieve pores need to be reduced, the controller controls the driver of the speed reducing motor 8, so that the speed reducing motor 8 drives the output shaft 6 and the eccentric wheel 601 to rotate for a certain angle, the eccentric wheel 601 rotates to drive the sliding block 7 to slide in the upper sliding groove 4c, and meanwhile, the adjusting pore plate 4 is driven to move downwards. Further, the activity sieve mesh 4a that sets up on adjusting hole board 4 moves down, and the coincidence area of activity sieve mesh 4a and sieve mesh 3a reduces, and the passing rate of impurity reduces in the material promptly, observes through the sampling the utility model discloses the material impurity content of filter equipment output is confirmed whether the adjustment is suitable, otherwise continues the adjustment. Fig. 4 is a schematic view of the structure when the whole sieve hole is the smallest, the adjusting orifice 4 is at the lowest position, and the far end point of the eccentric 601 is at the lowest position.

The utility model discloses when filter equipment need turn down the sieve mesh, only need reverse operation gear motor, the action process can be realized on the contrary, no longer gives unnecessary details here.

A filter equipment for PVC plastic film production, its overall structure is compact, the reliable operation, through the removal of regulation orifice plate 4 for filter orifice plate 3, the sieve mesh size of adjustment filter orifice plate that can be convenient reduces blocking phenomenon, reduces and maintains the work load.

The above-mentioned embodiments are only intended to describe the preferred embodiments of the present invention, but not to limit the scope of the present invention, and various modifications and improvements made by those skilled in the art without departing from the design spirit of the present invention should fall into the protection scope defined by the claims of the present invention.

Claims

1. The utility model provides a filter equipment for PVC plastic film production which characterized in that: comprises a left cylinder body (1), a right cylinder body (2), a filtering pore plate (3), an adjusting pore plate (4), a guide mechanism and a driving mechanism thereof; the filtering pore plate (3) is in a round plate shape and is arranged at the rear end of an inner hole of the left cylinder body (1), and a plurality of regularly distributed sieve pores (3a) are arranged on the filtering pore plate (3); the left cylinder body (1) and the right cylinder body (2) are connected together through a first middle flange (1a) and a second middle flange (2a) in the middle of the left cylinder body and the right cylinder body, and the middle of the left cylinder body (1) and the middle of the right cylinder body (2) slide through the adjusting orifice plate (4); the left large surface of the adjusting pore plate (4) is in contact with the rear end surface of the filtering pore plate (3), movable sieve holes (4a) are arranged at the lower part of the adjusting pore plate (4), the movable sieve holes (4a) are matched with the sieve holes (3a), and the movable sieve holes (4a) correspond to the sieve holes (3a) one by one;

the driving mechanism is installed above the left barrel body (1) and the right barrel body (2) through a support (5), the guide mechanism is arranged above the right barrel body (2), and the driving mechanism is connected with the top end of the adjusting hole plate (4) and drives the adjusting hole plate to slide in a reciprocating mode in the vertical direction under the limitation of the guide mechanism.

2. The filtering device for the production of PVC plastic film according to claim 1, characterized in that: be provided with left sealing washer (1b) and right sealing washer (2b) on the relative terminal surface of left side barrel (1) and right barrel (2) respectively, the exposed surface of left side sealing washer (1b) and right sealing washer (2b) with two side in the left and right sides of adjusting orifice plate (4) are laminated mutually.

3. The filtering device for the production of PVC plastic film according to claim 1, characterized in that: guiding mechanism includes location guide block (9) and guide way (4b), location guide block (9) pass through screwed connection and are in the upper portion of right side barrel (2), guide way (4b) set up the right side of regulation orifice plate (4) and position with the vertical guide block part of location guide block (9) suits, when regulation orifice plate (4) reciprocated guide way (4b) are followed vertical guide block part slides.

4. The filtering device for the production of PVC plastic film according to claim 3, characterized in that: the driving mechanism comprises an output shaft (6), a sliding block (7) and a speed reducing motor (8), the speed reducing motor (8) is installed on the support (5), and the speed reducing motor (8) is connected with one end of the output shaft (6) through gear transmission; the output shaft (6) is erected on the support (5) through two ends of a bearing, an eccentric wheel (601) is assembled in the middle of the output shaft (6), and the eccentric wheel (601) is slidably nested in the middle of the sliding block (7); the sliding block (7) slides in a reciprocating manner along an upper sliding groove (4c) arranged at the top of the adjusting orifice plate (4).

5. The filtering device for the production of PVC plastic films according to claim 4, characterized in that: one side of the sliding block (7) is provided with a fixed stop table, the other side of the sliding block (7) is fixedly connected with a stop block (701) through a screw, and the upper stop block and the lower stop block (701) are used for clamping the sliding block (7) in an upper sliding groove (4c) at the top of the filtering pore plate (3) in a sliding manner.

6. The filtering device for the production of PVC plastic film according to claim 1, characterized in that: the filter orifice plate (3) is positioned and connected in an inner hole of the left cylinder body (1) through a key (3 b).