CN213227245U

CN213227245U - A but, roll adjustment cooling compression roller mechanism for producing plastic film

Info

Publication number: CN213227245U
Application number: CN202021639372.6U
Authority: CN
Inventors: 吴风毅; 张文点
Original assignee: Kunshan Xiongmao Plastic Co ltd
Current assignee: Kunshan Xiongmao Plastic Co ltd
Priority date: 2020-08-10
Filing date: 2020-08-10
Publication date: 2021-05-18
Anticipated expiration: 2030-08-10

Abstract

The utility model discloses a distance-adjustable cooling compression roller mechanism for producing plastic films, which comprises a frame, two rollers which are in tangent extrusion fit, bearing seats connected with the two ends of a rotating shaft of the rollers, a hydraulic cylinder for propping up the bearing seats, a worm gear adjusting mechanism, a power component and a cooling component, wherein the worm gear mechanism is used for adjusting the distance between the two adjacent rollers, meanwhile, the bearing seats are propped up by the hydraulic cylinder of the hydraulic cylinder, so that the distance between the two adjacent rollers is kept constant, the two ends of the rotating shaft of the rollers are communicated with a cold water pipe of a cooling system, the rotating shaft is hollow, an inner cylinder is also arranged in the rollers, a gap is left between the inner cylinder and the rollers, cooling water introduced into the rotating shaft is filled in the gap, the temperature of the outer wall of the rollers is suddenly cooled, liquid raw materials which drip down are rapidly extruded between the two adjacent rollers, and the plastic film is wound on a third roller in a tangent mode, extruded and shaped for the second time, and therefore the forming is fast and the production efficiency is high.

Description

A but, roll adjustment cooling compression roller mechanism for producing plastic film

Technical Field

The utility model relates to a plastic film production facility technical field, concretely relates to adjustable apart from cooling compression roller mechanism for producing plastic film.

Background

The production and preparation of the plastic film need to fully mix plastic scraps or plastic particles as raw materials, ensure the uniform texture of the mixed raw materials, extrude the mixed raw materials by a screw crushing compressor and heat the mixed raw materials to a liquid state, extrude the liquid plastic into a plate by a roller, and synchronously cool and mold the plate. Therefore, in order to ensure that the prepared plastic film has high-quality performance, the technical requirement on the extrusion of the roller on the liquid raw material is high, the plastic film needs to be rapidly cooled and shaped after being extruded to a certain thickness, and then is discharged after pressure maintaining and secondary shaping, so that the plastic film needs to be specially designed to be capable of adjusting the extrusion thickness to meet the production requirements of the plastic films with different thickness requirements, and has a rapid cooling function.

Disclosure of Invention

The utility model discloses the purpose: in order to solve the problems in the background art, a distance-adjustable cooling compression roller mechanism for producing a plastic film is designed, a worm gear mechanism is used for adjusting the distance between two adjacent rollers, a bearing seat is supported by a hydraulic cylinder of the hydraulic cylinder, the distance between the two adjacent rollers is kept constant, two ends of a rotating shaft of each roller are communicated with a cold water pipe of a cooling system, the rotating shaft is hollow, an inner cylinder is also arranged in each roller, a gap is reserved between the inner cylinder and each roller, cooling water introduced into the rotating shaft is filled in the gap, the temperature of the outer wall of each roller is suddenly cooled, a dropped liquid raw material is rapidly extruded between the two adjacent rollers, the dropped liquid raw material is cooled by the outer wall of the cold roller, the cooled liquid raw material is wound on a third roller in a tangent mode, and the roller is extruded and shaped.

The technical scheme adopted for solving the problems is as follows:

a distance-adjustable cooling compression roller mechanism for producing plastic films comprises a frame, two rollers which are in tangent extrusion fit, bearing seats connected with two ends of a rotating shaft of each roller, a hydraulic cylinder for jacking the bearing seats, a worm and gear adjusting mechanism, a power assembly and a cooling assembly,

the brackets at both sides of the frame are provided with slide rails which are matched with the slide grooves arranged at the lower part of the bearing blocks to slide, so that the rotating shaft connected between the bearing blocks can slide, the roller is matched with the shaft hole of the rotating shaft,

the roller is internally provided with a cavity and an inner cylinder, a uniform gap is reserved between the inner cylinder and the roller, openings are arranged at two ends of the roller and fixedly connected with a rotating shaft through a cross-shaped frame, the rotating shaft is matched with a bearing in a bearing seat to realize rotation, a through hole is arranged at the center of the rotating shaft, the rotating shaft is connected with a water inlet pipe and a water outlet pipe of a cooling assembly through sealing elements, cooling water input by the water inlet pipe enters the gap to quench the external temperature of the roller, and the dropped liquid raw materials are rapidly extruded between two adjacent rollers and are rapidly solidified under the cooling action of the outer wall of the ice-cold roller,

the bearing seat is characterized in that a worm and gear adjusting mechanism is further arranged on one side of the bearing seat, a hand wheel is fixedly connected to the outer portion of the worm, the worm drives the worm gear to rotate under the action of rotation of the hand wheel, the worm gear is in threaded connection with the push rod, a spline is further arranged on the outer wall of the push rod and is matched with the spline sleeve to slide, namely, the hand wheel controls the push rod to slide in the inner horizontal direction and the outer horizontal direction, the hand wheel controls the push rod to slide in the outer horizontal direction, the hand wheel is matched with a hydraulic rod.

Furthermore, the power assembly comprises a driven chain wheel, a chain, a transmission motor and a driving chain wheel which are matched with the rotating shaft of one of the rollers, and the main shaft of the transmission motor is matched with the driving chain wheel and drives the roller to rotate at a high speed after being matched with the driven chain wheel through the chain.

Furthermore, the cooling assembly is externally connected with a cold water supply tank, and a water pump continuously conveys cooling water to the gap in the roller through the water inlet pipe.

Furthermore, the roller also comprises a third roller for secondary extrusion molding, the third roller is erected on the frame in an inclined direction, the rotating shafts matched with the two ends of the third roller also rotate in a matching manner with the bearing seats, and cooling water is also communicated in the rotating shafts.

Furthermore, the water inlet pipe, the water outlet pipe and the bearing seat are fixedly connected through flange plates.

The utility model has the advantages that:

this a but roll adjustment cooling compression roller mechanism for producing plastic film utilizes worm gear mechanism to adjust the interval between two adjacent rollers, prop the bearing frame by the pneumatic cylinder of pneumatic cylinder simultaneously, make the distance keep certain between two adjacent rollers, and the pivot both ends of roller communicate with each other with cooling system's cold water pipe, the pivot cavity, also be provided with the inner tube in the roller, and leave the clearance between inner tube and roller, make the cooling water that lets in the pivot fill in the clearance, cause roller outer wall temperature shock cooling, liquid raw materials that will drip down extrudees rapidly between two adjacent rollers, receive the cooling effect of ice-cold roller outer wall simultaneously, tangent winding is again at the third roller, extrude and stereotype into the plastic film through the second time, the shaping is fast, high production efficiency, and is simple and practical.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly described below.

FIG. 1 is a schematic structural diagram of a distance-adjustable cooling compression roller mechanism for producing plastic films according to the embodiment;

FIG. 2 is a front view of the adjustable-pitch cooling roller mechanism for producing plastic films according to the present embodiment;

FIG. 3 is a cross-sectional view of the roll according to this embodiment;

FIG. 4 is a schematic structural diagram of the worm and gear adjustment mechanism according to the present embodiment;

wherein, 1-plastic film, 2-inclined hydraulic cylinder, 3-third roller, 4-inclined distance-adjusting hand wheel, 5-first roller, 6-horizontal distance-adjusting hand wheel, 7-worm gear adjusting mechanism, 8-second roller, 9-bearing seat, 10-hydraulic rod, 11-hydraulic cylinder, 12-flange, 13-water inlet pipe, 14-chain, 15-inclined worm gear adjusting mechanism, 16-transmission motor, 17-roller outer wall, 18-inner cylinder, 19-cross frame, 20-gap, 21-rotating shaft, 22-bearing, 23-end cover, 24-sliding rail, 25-sliding chute, 26-sealing element, 27-screw rod, 28-shell, 29-push rod, 30-threaded shaft, 31-spline housing, 32-worm wheel.

Detailed Description

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

Referring to fig. 1-4, the present embodiment provides a distance-adjustable cooling press roll mechanism for producing a plastic film 1, which includes a frame, two rollers in tangential extrusion fit, bearing blocks 9 connected to two ends of a rotating shaft 21 of the rollers, a hydraulic cylinder 11 supporting the bearing blocks 9, a worm gear 32 and worm adjusting mechanism 7, a power assembly, and a cooling assembly.

Specifically, the brackets at two sides of the frame are provided with slide rails 24 which are matched with a slide groove 25 arranged at the lower part of the bearing seat 9 to slide, so that a rotating shaft 21 connected between the bearing seats 9 can slide, the roller is matched with the shaft hole of the rotating shaft 21, the roller is internally provided with a cavity and is provided with an inner cylinder 18, a uniform gap 20 is left between the inner cylinder 18 and the roller, both ends of the roller are provided with openings which are fixedly connected with the rotating shaft 21 through a cross-shaped frame 19, the rotating shaft 21 is matched with a bearing 22 in the bearing seat 9 to realize rotation, the center of the rotating shaft 21 is provided with a through hole, the rotating shaft 21 is connected with a water inlet pipe 13 and a water outlet pipe of a cooling assembly through a sealing element 26, cooling water input by the water inlet pipe 13 enters the gap 20 to quench the external temperature of the roller, the dropped liquid raw material is rapidly, the worm wheel 32 worm adjusting mechanism 7 is further arranged on one side of the bearing seat 9, a hand wheel is fixedly connected to the outer portion of the worm, the worm drives the worm wheel 32 to rotate under the rotating action of the hand wheel, the worm wheel 32 is in threaded connection with the push rod 29, a spline is further arranged on the outer wall of the push rod 29 and is matched with the spline sleeve 31 to slide, namely, the hand wheel controls the push rod 29 to slide in the inner horizontal direction and the outer horizontal direction, and the hand wheel is matched with a hydraulic rod 10 of a hydraulic cylinder 11 which is aligned to the bearing seat 9 to apply pressure, so that the position of the bearing seat 9.

In a further embodiment, the power assembly comprises a driven sprocket, a chain 14, a transmission motor 16 and a driving sprocket (not shown in the figure) which are matched with the rotating shaft 21 of one of the rollers, and the main shaft of the transmission motor 16 is matched with the driving sprocket, and the roller is driven to rotate at a high speed by the matching of the chain 14 and the driven sprocket.

In a further embodiment, the cooling module is externally connected with a cold water supply tank (not shown in the figure), and a water pump continuously supplies cooling water to the gap 20 in the roller through the water inlet pipe 13.

The further embodiment is that the roller also comprises a third roller for secondary extrusion molding, the third roller is erected on the frame in an inclined direction, the rotating shaft 21 with two matched ends is also matched with the bearing seat 9 to rotate, and the rotating shaft 21 is also communicated with cooling water.

In a further embodiment, the water inlet pipe 13 and the water outlet pipe are fixedly connected with the bearing seat 9 through a flange 12.

The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes, modifications, substitutions and alterations can be made without departing from the spirit of the present invention within the knowledge of those skilled in the art, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. The utility model provides a but roll adjustment cooling compression roller mechanism for producing plastic film, includes frame, two rollers of tangent extrusion fit, connects at the bearing frame at the pivot both ends of roller, the pneumatic cylinder of shoring bearing frame, worm gear adjustment mechanism and power pack and cooling module, its characterized in that:

2. The adjustable pitch cooling nip roll mechanism for producing plastic films according to claim 1, wherein: the power assembly comprises a driven chain wheel, a chain, a transmission motor and a driving chain wheel which are matched with a rotating shaft of one of the rollers, and a main shaft of the transmission motor is matched with the driving chain wheel and drives the roller to rotate at a high speed after being matched with the driven chain wheel through the chain.

3. The adjustable pitch cooling nip roll mechanism for producing plastic films according to claim 1, wherein: the cooling assembly is externally connected with a cold water supply tank, and a water pump continuously supplies cooling water to the gap in the roller through the water inlet pipe.

4. The adjustable pitch cooling nip roll mechanism for producing plastic films according to claim 1, wherein: the roller also comprises a third roller for secondary extrusion molding, the third roller is erected on the frame in an inclined direction, the rotating shafts matched with the two ends of the third roller also rotate in a matching way with the bearing seats, and cooling water is also communicated in the rotating shafts.

5. The adjustable pitch cooling nip roll mechanism for producing plastic films according to claim 1, wherein: the water inlet pipe, the water outlet pipe and the bearing seat are fixedly connected through flange plates.