CN114715710A

CN114715710A - A settle draw gear for production of modified PBAT film

Info

Publication number: CN114715710A
Application number: CN202210492016.3A
Authority: CN
Inventors: 刘建林; 陆宁; 刘燕; 梁海
Original assignee: Jiangsu Bairuier Packaging Materials Co ltd
Current assignee: Jiangsu Bairuier Packaging Materials Co ltd
Priority date: 2022-05-07
Filing date: 2022-05-07
Publication date: 2022-07-08

Abstract

The invention relates to the technical field of film production, and discloses a placement traction device for producing a modified PBAT film, which comprises two groups of support plates symmetrically arranged on a bottom plate, wherein assembly grooves are embedded in the opposite sides of the two groups of support plates, traction shafts are connected on the two groups of assembly grooves in a sliding assembly manner, a plurality of groups of separation blades are arranged on the traction shafts in a sliding fit manner, snap rings in limit fit with the traction shafts are coaxially and fixedly connected to one sides of the separation blades, clamp grooves are embedded in the positions, close to the traction shafts, of the other sides of the separation blades, and clamping pieces for limiting the tail ends of wound materials are arranged in the clamp grooves in a sliding connection manner. The baffle plates can flexibly adjust the width, so that the film is wound among a group of baffle plates after the position is fixed by the clamping ring according to the slitting and the flexible adjustment of the width of the film, the end part of the film is limited by rotating the clamping piece embedded in the side surface of the baffle plate, and the winding is convenient and stable.

Description

A settle draw gear for production of modified PBAT film

Technical Field

The invention relates to the technical field of film production, in particular to a mounting and traction device for producing a modified PBAT film.

Background

The PBAT molecular chain contains aromatic rings and aliphatic chain segments, has good ductility and elongation at break, and can be used as a thin film material, but the PBAT has low melt strength, and the film bubble is unstable and easy to swing, so that the deviation of the film thickness is large. Therefore, the stability of the PBAT film can be improved by adopting a mode of blending and modifying with other degradable polyesters, and the PBAT film can be used for replacing the traditional packaging material. The PBAT is higher in price, the price can be reduced by adding the filler, the cost can be reduced, the compatibility can be increased, and a better film material can be obtained.

Chinese patent publication No. CN213445460U discloses a film rim charge drive mechanism, mainly includes first cutting roller, second cutting roller, deflector roll, wind-up roll and rim charge carry over pinch rolls, evenly distributed has a plurality of recesses on first cutting roller, second cutting roller and the wind-up roll, disposes first cutter on the first cutting roller, disposes the second cutter between second cutting roller and the wind-up roll, and the second cutter is driven by swing mechanism, makes the second cutter can swing between wind-up roll and second cutting roller, and the film material cuts into finished product film and rim charge after first cutting roller, deflector roll, second cutting roller in proper order, and finished product film gets into the wind-up roll rolling, and the rim charge gets into the rim charge carry over pinch rolls rolling.

In this scheme, need utilize the cutter cutting edge, if arrange the film in and cut the process back, be unable fine completion pull and the effect of rolling, the difficult installation of rolling roller is around in the rolling process.

Disclosure of Invention

It is an object of the present invention to provide a stationary pulling means for modified PBAT film production that solves the problems of the prior art, among others, presented in the background above.

In order to achieve the purpose, based on the above thought, the invention provides the following technical scheme:

a settle draw gear for production of modified PBAT film sets up two sets of extension boards on the bottom plate including the symmetry, and it is provided with the assembly groove all to imbed on the opposite side of two sets of extension boards, and sliding fit connection has the traction shaft on two sets of assembly grooves, it is provided with the multiunit separation blade to pull epaxial sliding fit connection, the coaxial fixed connection in one side of separation blade is provided with and pulls the spacing complex snap ring of axle, the opposite side of separation blade is close to the position department embedding of pulling the axle and is provided with the draw-in groove, swivelling joint is provided with and is used for the restriction to wind the terminal screens piece of material in the draw-in groove.

As a further scheme of the invention: the two separation blades are in one group, and the snap rings connected with the two separation blades in the same group are relatively far away.

As a further scheme of the invention: the periphery of traction shaft is annular array and distributes and be provided with the multiunit spline, the spline extends the setting along traction shaft axis direction, the separation blade center link up be provided with the keyway of spline slip adaptation, the draw-in groove corresponds the setting in keyway one side, the screens piece with the spline corresponds the adaptation.

As a further scheme of the invention: the screens piece is connected the buckle between two sets of rotation strips including the rotation strip and the cooperation that the symmetry set up, it is connected with the rotation of draw-in groove inner wall through the rotational pin to rotate the strip tip, buckle opening and spline joint adaptation, the buckle both sides are passed through sliding fit and are rotated the strip and link to each other.

As a further scheme of the invention: the assembly groove is a strip-shaped channel, the width of the assembly groove is matched with the width of the traction shaft, the edge curve of the bottom of the assembly groove and the edge curve of the traction shaft are concentrically arranged, a plurality of groups of balls are distributed on the side wall of the assembly groove at equal intervals, and the balls are movably embedded in the inner side wall of the assembly groove.

As a further scheme of the invention: the bottom of two sets of assembly grooves is provided with traction motor and spacing knob in the embedding of activity respectively, traction motor with the relative terminal department of spacing knob all connects and is provided with the gag lever post, the symmetrical fixed connection in traction shaft both ends is provided with the end face joint, the end face joint coincides with the traction shaft tip, the end face joint is kept away from the central embedding of the terminal surface of traction shaft and is provided with the square hole, square hole and gag lever post slip adaptation.

As a further scheme of the invention: the limiting rod end face connected with the output end of the traction motor is flush with the inner side face of the assembling groove, the limiting knob is movably connected to the supporting plate through thread fit, and the tail end of the limiting knob is connected with the limiting rod through a bearing.

As a further scheme of the invention: a chassis is further arranged on one side, located on one group of support plates, of the bottom plate, a motor is arranged in the chassis, and a plurality of groups of guide shafts are further connected and arranged on one side, located on the assembly groove, between the two groups of support plates.

Compared with the prior art, the invention has the beneficial effects that: the adjustment width that the separation blade can be nimble to according to whether cut and the nimble regulation of film width, utilize snap ring fixed position after, the film is around rolling up between a set of separation blade, and the film tip is spacing through rotating the screens piece of embedding in the separation blade side, thereby can conveniently be stable around rolling up.

Drawings

FIG. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic structural view of a traction shaft according to the present invention.

Fig. 3 is a schematic structural view of the baffle plate of the present invention.

Fig. 4 is an enlarged schematic view of a region a in fig. 3.

Fig. 5 is a schematic structural view of the locking member of the present invention.

FIG. 6 is a side view of the brace of the present invention.

In the figure: 1-bottom plate, 2-case, 3-support plate, 31-assembly groove, 32-guide shaft, 33-traction motor, 34-limit knob, 35-limit rod, 4-traction shaft, 41-spline, 42-end surface joint, 43-blocking piece, 4301-key groove, 4302-clamping groove, 44-clamping ring, 5-blocking piece, 51-rotation strip, 52-rotation pin and 53-buckle.

Detailed Description

Referring to fig. 1 to 5, in the embodiment of the present invention, the placement traction device for producing a modified PBAT film includes two groups of support plates 3 symmetrically disposed on a bottom plate 1, assembly grooves 31 are embedded in opposite sides of the two groups of support plates 3, a traction shaft 4 is slidably assembled and connected on the two groups of assembly grooves 31, a plurality of groups of blocking pieces 43 are slidably connected and connected on the traction shaft 4, a snap ring 44 that is in limit fit with the traction shaft 4 is coaxially and fixedly connected on one side of the blocking piece 43, a snap groove 4302 is embedded in a position of the other side of the blocking piece 43, and a clamping piece 5 that is used for limiting a tail end of a wound material is rotatably connected in the snap groove 4302. Wherein, two groups of support plates 3 are fixedly installed on the bottom plate 1 by welding or assembling, the assembling groove 31 is positioned in the middle of the support plate 3, the assembling groove 31 vertically penetrates through the top of the support plate 3, thus the traction shaft 4 can be conveniently put into the assembling groove 31 from the top, the traction shaft 4 can be used for winding the tail end of the traction modified PBAT film, according to the sequence of the arrangement mechanism, for example, after the cutting device, a plurality of groups of ground baffle plates 43 can be sleeved on the periphery of the traction shaft 4, the baffle plates 43 can limit the fixed position by the snap ring 44, two baffle plates 43 are one group, the snap ring 44 connected on the two groups of baffle plates 43 of the same group is relatively far away, the width of one group of baffle plates 43 can be flexibly adjusted, thus, according to whether the cutting is performed or not and the width of the film is flexibly adjusted, after the position is fixed by the snap ring 44, the film is wound between one group of baffle plates 43, the end part of the film is limited by rotating the position clamping part 5 embedded in the side of the baffle plates 43, thereby being convenient for winding stability.

The periphery of the traction shaft 4 is provided with a plurality of groups of splines 41 in an annular array, the splines 41 extend along the axis direction of the traction shaft 4, the center of the blocking piece 43 is provided with a key groove 4301 matched with the splines 41 in a sliding manner, the clamping groove 4302 is correspondingly arranged on one side of the key groove 4301, and the clamping piece 5 is matched with the splines 41 in a corresponding manner. The blocking piece 43 can be connected with the spline 41 through the key groove 4301, and the blocking piece 43 and the traction shaft 4 can be synchronously rotated through the matching, and preferably, a bolt can be connected to the snap ring 44, the bolt penetrates through the side wall of the snap ring 44, the tail end of the bolt movably abuts against the surface of the traction shaft 4, and thus the positions of the snap ring 44 and the blocking piece 43 can be controlled through the tightening of the bolt.

And further, the screens piece 5 is including the rotation strip 51 and the cooperation buckle 53 of cooperation connection between two sets of rotation strips 51 that the symmetry set up, rotation strip 51 tip passes through rotating pin 52 and draw-in groove 4302 inner wall and rotates and be connected, buckle 53 opening and spline 41 joint adaptation, buckle 53 both sides are passed through sliding fit and are rotated strip 51 and link to each other. Buckle 53 and rotation strip 51 can rotate in step at ordinary times and accomodate in draw-in groove 4302, and need pull when rolling up the film, adjust a set of separation blade 43 according to film width, can settle multiunit separation blade 43 according to whether cutting, separation blade 43 selects the back, can rotate rotation strip 51 and drive buckle 53 and come out from draw-in groove 4302, later press buckle 53 to spline 41 between two sets of rotation strips 51, can utilize buckle 53 and spline 41 with the terminal chucking of film like this, thereby conveniently wind the book, high durability and convenient use is simple, it is more stable when rolling up.

As shown in fig. 1, 2 and 6, the assembly groove 31 is a strip-shaped channel, the width of the assembly groove 31 is adapted to the width of the traction shaft 4, the edge curve of the bottom of the assembly groove 31 is concentrically arranged with the edge curve of the traction shaft 4, a plurality of groups of balls are distributed on the side wall of the assembly groove 31 at equal intervals, and the balls are movably embedded in the inner side wall of the assembly groove 31.

The bottom of the two sets of assembling grooves 31 is movably embedded with a traction motor 33 and a limit knob 34 respectively, the traction motor 33 and the opposite tail end of the limit knob 34 are provided with limit rods 35 in a connected mode, two ends of the traction shaft 4 are symmetrically and fixedly connected with end face joints 42, the end face joints 42 are overlapped with the end portions of the traction shaft 4, the end face joints 42 are far away from the end face center of the traction shaft 4 and are provided with square holes in an embedded mode, and the square holes are matched with the limit rods 35 in a sliding mode. Furthermore, the end face of a limiting rod 35 connected with the output end of the traction motor 33 is flush with the inner side face of the assembling groove 31, the limiting knob 34 is movably connected to the support plate 3 through thread fit, and the tail end of the limiting knob 34 is connected with the limiting rod 35 through a bearing. When the device is installed, the traction shaft 4 is placed from between the two sets of assembly grooves 31, the square hole on the end face joint 42 is aligned with the limiting rod 35 on the traction motor 33 and the limiting rod 35 on the limiting knob 34, the limiting knob 34 is screwed and the limiting rod 35 is pushed into the square hole, the pushing is continued, the end face joint 42 close to one end of the traction motor 33 is gradually matched with the limiting rod 35, the distance between the two sets of limiting rods 35 is larger than the total length of the traction shaft 4 and the end face joints 42 at two ends at ordinary times, the placement of the traction shaft 4 is convenient, the limiting knob 34 is matched with the traction motor 33 and the limiting rod 35, the assembly can be facilitated, the traction shaft 4 can be driven to rotate by starting the traction motor 33, and the rolling traction is achieved.

Furthermore, a chassis 2 is further disposed on the bottom plate 1 at one side of the set of support plates 3, a motor 33 is disposed in the chassis 2, and a plurality of sets of guide shafts 32 are further connected between the two sets of support plates 3 at one side of the assembly groove 31. After the film is dragged by a plurality of groups of films 32, the films are wound on the traction shaft 4, so that the films can be kept tight when being dragged, the arrangement effect is improved, the case 2 can be internally provided with a liquid crystal screen and a control button which are electrically connected with the motor 33, the opening and closing and the rotating speed of the motor 33 can be controlled by the control button (the above modes are the prior art, the control of the motor belongs to the common general knowledge in the field, the principle is not repeated herein), and the operation parameters can be conveniently and directly read by the liquid crystal screen (the above modes are the prior art, the interconnection between the liquid crystal screen and the motor belongs to the common general knowledge in the field, and the principle is not repeated herein).

Claims

1. A settle draw gear for production of modified PBAT film, set up two sets of extension boards (3) on bottom plate (1) including the symmetry, its characterized in that, all imbeds on the opposite side of two sets of extension boards (3) and is provided with assembly groove (31), sliding fit connection has traction shaft (4) on two sets of assembly groove (31), sliding fit connection is provided with multiunit separation blade (43) on traction shaft (4), the coaxial fixed connection in one side of separation blade (43) is provided with and pulls spacing complex snap ring (44) of axle (4), the opposite side of separation blade (43) is close to the position department embedding of traction shaft (4) and is provided with draw-in groove (4302), sliding fit is provided with in draw-in groove (4302) and is used for restricting around terminal screens piece (5) of roll material.

2. The setup tractor for modified PBAT film production as claimed in claim 1, characterized in that two flaps (43) are in one group, and the snap rings (44) connected to the two flaps (43) in the same group are relatively far away.

3. The arrangement traction device for producing the modified PBAT film as claimed in claim 1, wherein a plurality of groups of splines (41) are distributed on the periphery of the traction shaft (4) in an annular array, the splines (41) extend along the axial direction of the traction shaft (4), a key groove (4301) in sliding fit with the splines (41) is arranged in the center of the baffle plate (43) in a penetrating manner, the clamping groove (4302) is correspondingly arranged on one side of the key groove (4301), and the clamping part (5) and the splines (41) are correspondingly adapted.

4. The arrangement traction device for modified PBAT film production according to claim 3, wherein the clamping member (5) comprises symmetrically arranged rotating strips (51) and a buckle (53) connected between the two sets of rotating strips (51) in a matching manner, the end part of each rotating strip (51) is rotationally connected with the inner wall of the clamping groove (4302) through a rotating pin (52), the opening of the buckle (53) is in clamping fit with the spline (41), and the two sides of the buckle (53) are connected with the rotating strips (51) through sliding fit.

5. The placement and traction device for the production of the modified PBAT film as claimed in claim 1, wherein the assembly groove (31) is a strip-shaped channel, the width of the assembly groove (31) is adapted to the width of the traction shaft (4), the edge curve at the bottom of the assembly groove (31) is concentrically arranged with the edge curve of the traction shaft (4), a plurality of groups of balls are distributed on the side wall of the assembly groove (31) at equal intervals, and the balls are movably embedded in the inner side wall of the assembly groove (31).

6. The arrangement traction device for modified PBAT film production according to claim 5, wherein the bottoms of two sets of assembly grooves (31) are respectively and movably embedded with a traction motor (33) and a limit knob (34), the traction motor (33) and the limit knob (34) are respectively and movably embedded with a limit rod (35) at the opposite tail end, the two ends of the traction shaft (4) are symmetrically and fixedly connected with end face joints (42), the end face joints (42) coincide with the end part of the traction shaft (4), the end face joint (42) is embedded with a square hole far away from the end face center of the traction shaft (4), and the square hole is in sliding fit with the limit rod (35).

7. The placement traction device for modified PBAT film production according to claim 6, wherein the end surface of a limiting rod (35) connected with the output end of the traction motor (33) is flush with the inner side surface of the assembly groove (31), the limiting knob (34) is movably connected to the support plate (3) through thread fit, and the tail end of the limiting knob (34) is connected with the limiting rod (35) through a bearing.

8. The arrangement traction device for modified PBAT film production according to claim 1, characterized in that a chassis (2) is further provided on the bottom plate (1) at one side of one set of support plates (3), a motor (33) is provided in the chassis (2), and a plurality of sets of guide shafts (32) are further connected and provided at one side of the assembly groove (31) between the two sets of support plates (3).