CN210339817U

CN210339817U - Cutter for stretching and winding film

Info

Publication number: CN210339817U
Application number: CN201920337851.3U
Authority: CN
Inventors: 刘思灿
Original assignee: Weida Technology Co ltd
Current assignee: Weida Technology Co ltd; Cypress Semiconductor Corp
Priority date: 2019-03-15
Filing date: 2019-03-15
Publication date: 2020-04-17
Anticipated expiration: 2029-03-15

Abstract

The utility model discloses a tensile winding membrane cutterbar belongs to tensile winding membrane production facility technical field, including base, guide mechanism, incision mechanism, shutdown mechanism and winding mechanism, guide mechanism sets up in the upper end of base, and incision mechanism sets up at the middle part of guide mechanism, and shutdown mechanism sets up the end at guide mechanism, and winding mechanism sets up the side at shutdown mechanism, incision mechanism includes drive assembly, incision subassembly and hold-down assembly, and incision subassembly and hold-down assembly all install drive assembly's lower extreme and incision subassembly with hold-down assembly are connected, and guide mechanism includes a plurality of guide roll and traction assembly, traction assembly sets up the side at incision mechanism, a plurality of the guide roll all sets gradually along the length direction of base. The utility model discloses can avoid tensile winding membrane to produce deformation at the in-process that cuts off, also be convenient for artifically or mechanical pick up the end of cutting off of tensile winding membrane.

Description

Cutter for stretching and winding film

Technical Field

The utility model belongs to the technical field of tensile winding membrane production facility technique and specifically relates to a tensile winding membrane cutterbar is related to.

Background

The stretch wrapping film is used for tightly wrapping the goods for convenient transportation and storage, and is a very popular international packaging form. The stretch winding film has the characteristics of good tensile property, tearing resistance, strong penetration resistance, high transparency, good self-adhesion, high retraction rate, tight package, no looseness and the like. Tensile winding membrane need cut off it after the lapping is restrainted to tensile winding membrane in the in-process of processing, then change new book core and roll up again, however, because tensile winding membrane has tear-resistant, the strong and high characteristics of retraction rate of anti penetrability, therefore, in the in-process of cutting off and its cutting off department that causes tensile winding membrane easily produce deformation, thereby influence product quality, secondly, after tensile winding membrane cuts off, its one end can stay in and cut off the work piece position, need artifical or other equipment to pick up this end and just can continue processing with new book core winding, however, current near spare part of cutting off the work piece is more, can influence the operation of artifical picking up or mechanical pickup apparatus, and the work efficiency is reduced.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a tensile winding membrane cutterbar to solve among the prior art tensile winding membrane easy deformation and be difficult to pick up the technical problem of cutting off department when cutting off.

The utility model provides a tensile winding membrane cutterbar, including base, guide mechanism, incision mechanism, shutdown mechanism and winding mechanism, guide mechanism sets up the upper end at the base, incision mechanism sets up the middle part at guide mechanism, shutdown mechanism sets up the end at guide mechanism, winding mechanism sets up the side at shutdown mechanism, incision mechanism includes drive assembly, incision subassembly and compresses tightly the subassembly, incision subassembly and compressing tightly the subassembly all install drive assembly's lower extreme and incision subassembly and compress tightly the subassembly and be connected, guide mechanism includes a plurality of guide roll and traction assembly, traction assembly sets up the side at incision mechanism, a plurality of the guide roll all sets gradually along the length direction of base.

Further, drive assembly includes the mount, drives actuating cylinder, drive plate and two actuating levers, the mount is installed in the upper end of base, it installs in the upper end of mount and drives the vertical downward setting of the output that actuating cylinder drives actuating cylinder to drive actuating cylinder, the drive plate is installed on the output that drives actuating cylinder, two the actuating lever all is vertical setting and two actuating levers and installs the lower extreme at the drive plate both ends respectively.

Furthermore, the compressing assembly comprises a compressing block and two sliding blocks, sliding rails are arranged at two ends of the fixing frame, the two sliding blocks are respectively installed in the two sliding rails and are respectively in sliding fit with the two sliding rails, and two ends of the compressing block are respectively fixedly connected with the two sliding blocks.

Furthermore, the lower end of the pressing block is provided with an elastic pad.

Further, the incision subassembly includes cutter and two pressure spring, the middle part of compact heap is equipped with the mounting groove, the cutter is installed in the mounting groove, cutter upper portion both ends all are equipped with the connecting block, two connecting blocks respectively with the lower extreme fixed connection of two actuating levers, two pressure spring's upper end respectively with two connecting block fixed connection, two pressure spring's lower extreme respectively with the upper end fixed connection of two sliders, the cutting edge of cutter is the cockscomb structure.

Further, the traction assembly comprises a traction motor, two traction rollers and two traction gears, the two traction rollers are horizontally arranged, the two traction gears are respectively installed at one ends of the two traction rollers and meshed with the two traction gears, and the output end of the traction motor is fixedly connected with one end of one traction roller.

Further, shutdown mechanism includes cutting off cutter, blade holder and mounting bracket, the upper end at the base is installed to the mounting bracket, the both ends of blade holder respectively with the both ends sliding fit of mounting bracket, the lower extreme at the blade holder is installed to the cutting off cutter, the upper end of mounting bracket is equipped with the cylinder that cuts off of vertical downward setting, the output and the blade holder fixed connection that cut off the cylinder.

Further, winding mechanism includes rolling axle and rolling motor, the rolling axle is the level and sets up the top at the base, rolling motor's output and the one end fixed connection of rolling axle.

Compared with the prior art, the beneficial effects of the utility model reside in that:

one of the two, the utility model discloses earlier carry out the incision through the cutter to tensile winding membrane but do not cut off, the cutting edge of cutter is the setting of cockscomb structure, and on the one hand, can be convenient for cut out the edge of a knife on tensile winding membrane through the tip department of sawtooth, and on the other hand can reduce the area of contact of tensile winding membrane and cutter cutting edge cutting out notched in-process to also can avoid causing tensile winding membrane to produce deformation when can avoid can't cutting off tensile winding membrane.

And secondly, the utility model discloses earlier carry out the incision to tensile winding membrane through the cutter, rethread cutting mechanism cuts off it, through twice cutting for the in-process cutter of cutting at every turn all is less with the area of contact of tensile winding membrane, thereby can avoid causing tensile winding membrane to produce deformation in the mistake of cutting.

Thirdly, the utility model discloses when using, most parts are all installed in incision mechanism department, and shutdown mechanism simple structure and near spare part are less, and after cutting off, be convenient for pick up out of cutting off of tensile winding membrane to be connected with new book core for process velocity.

And fourthly, the utility model discloses when using, compress tightly tensile winding membrane through the compact heap earlier, the rethread cutter cuts the middle part that tensile winding membrane compressed tightly the position to can further avoid tensile winding membrane to produce deformation in cutting process.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is an enlarged view taken at A in FIG. 1;

FIG. 3 is a schematic structural view of a notching mechanism of the present invention;

FIG. 4 is a top view of the notching mechanism of the present invention;

FIG. 5 is a cross-sectional view taken along line B-B of FIG. 4;

fig. 6 is a schematic structural view of the cutting mechanism of the present invention.

Reference numerals:

the automatic cutting machine comprises a base 1, a material guide mechanism 2, a guide roller 2a, a traction assembly 2b, a traction motor 2b1, a traction roller 2b2, a traction gear 2b3, a notching mechanism 3, a driving assembly 3a, a fixing frame 3a1, a driving cylinder 3a2, a driving plate 3a3, a driving rod 3a4, a notching assembly 3b, a cutter 3b1, a compression spring 3b2, a connecting block 3b3, a compression assembly 3c, a compression block 3c1, a sliding block 3c2, a sliding rail 3c3, a cutting mechanism 4, a cutting knife 4a, a knife holder 4b, an installation frame 4c, a cutting cylinder 4d, a winding mechanism 5, a winding shaft 5a, a winding motor winding 5b and an elastic pad 6.

Detailed Description

The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention.

The components of the embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention.

Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1 to 6, an embodiment of the present invention provides a stretch wrap film cutter, including a base 1, a material guiding mechanism 2, a slitting mechanism 3, a cutting mechanism 4, and a rolling mechanism 5, wherein the material guiding mechanism 2 is disposed at an upper end of the base 1, the slitting mechanism 3 is disposed at a middle portion of the material guiding mechanism 2, the cutting mechanism 4 is disposed at a terminal of the material guiding mechanism 2, the rolling mechanism 5 is disposed at a side of the cutting mechanism 4, the slitting mechanism 3 includes a driving component 3a, a slitting component 3b, and a pressing component 3c, the slitting component 3b and the pressing component 3c are both mounted at a lower end of the driving component 3a, the slitting component 3b is connected with the pressing component 3c, the material guiding mechanism 2 includes a plurality of guide rollers 2a and a traction component 2b, the traction component 2b is disposed at a side of the slitting mechanism 3, a plurality of guide roll 2a all sets gradually along base 1's length direction, provide power through traction assembly 2b and pull tensile winding membrane and carry, and roll through winding mechanism 5, when need cut off tensile winding membrane after the rolling is accomplished, drive slit subassembly 3b and compress tightly subassembly 3c downstream through drive assembly 3a work, compress tightly the department of cutting off through compressing tightly subassembly 3c earlier, a row of incision is cut out on tensile winding membrane to rethread slit subassembly 3b, when the incision department carries to the lower extreme of cutting mechanism 4, rethread slit subassembly work will cut out notched position and cut off.

Specifically, the driving assembly 3a includes a fixed frame 3a1, a driving cylinder 3a2, a driving plate 3a3 and two driving rods 3a4, the fixed frame 3a1 is mounted at the upper end of the base 1, the driving cylinder 3a2 is mounted at the upper end of the fixed frame 3a1, the output end of the driving cylinder 3a2 is vertically arranged downwards, the driving plate 3a3 is mounted at the output end of the driving cylinder 3a2, the two driving rods 3a4 are both vertically arranged, and the two driving rods 3a4 are respectively mounted at the lower ends of the two ends of the driving plate 3a 3; the driving plate 3a3 is driven by the operation of the driving cylinder 3a2 to move vertically downwards, the driving plate 3a3 drives the two driving rods 3a4 to move, and the pressing component 3c and the notch component 3b are driven by the two driving rods 3a4 to move downwards for operation.

Specifically, the pressing assembly 3c includes a pressing block 3c1 and two sliders 3c2, two ends of the fixed frame 3a1 are respectively provided with a sliding rail 3c3, the two sliders 3c2 are respectively installed in the two sliding rails 3c3, the two sliders 3c2 are respectively in sliding fit with the two sliding rails 3c3, and two ends of the pressing block 3c1 are respectively fixedly connected with the two sliders 3c 2; the driving assembly 3a works to drive the pressing block 3c1 to move downwards, and the sliding fit between the two sliding blocks 3c2 and the sliding rails 3c3 can limit the moving direction of the pressing block 3c1, so that the pressing block 3c1 can move more stably.

Specifically, the lower end of the pressing block 3c1 is provided with an elastic pad 6, and the elastic pad 6 is used for protecting the pressing block 3c1, so that the lower end of the pressing block 3c1 can be prevented from damaging the stretch winding film.

Specifically, the notching assembly 3b comprises a cutting knife 3b1 and two pressing springs 3b2, wherein a mounting groove is formed in the middle of a pressing block 3c1, the cutting knife 3b1 is mounted in the mounting groove, two connecting blocks 3b3 are respectively arranged at two ends of the upper part of the cutting knife 3b1, the two connecting blocks 3b3 are respectively and fixedly connected with the lower ends of two driving rods 3a4, the upper ends of the two pressing springs 3b2 are respectively and fixedly connected with two connecting blocks 3b3, the lower ends of the two pressing springs 3b2 are respectively and fixedly connected with the upper ends of two sliding blocks 3c2, and the cutting edge of the cutting knife 3b1 is serrated; after the two driving assemblies 3a work, the two driving rods 3a4 push the two connecting blocks 3b3 to move downwards, the cutter 3b1 arranged in the middle of the two connecting blocks 3b3 moves downwards, the stretch winding film is cut off by the cutter 3b1, the cutting edge of the cutter 3b1 is arranged in a zigzag mode and used for cutting a row of cutting edges in the middle of the stretch winding film and does not cut the stretch winding film, the zigzag cutter 3b1 is arranged at the tip of a sawtooth to facilitate cutting of the cutting edge on the stretch winding film, and on the other hand, the contact area between the stretch winding film and the cutting edge of the cutter 3b1 can be reduced in the process of cutting the cutting edge, so that the stretch winding film cannot be cut off and deformation of the stretch winding film can be avoided.

Specifically, the traction assembly 2b comprises a traction motor 2b1, two traction rollers 2b2 and two traction gears 2b3, wherein the two traction rollers 2b2 are both horizontally arranged, the two traction gears 2b3 are respectively installed at one ends of the two traction rollers 2b2, the two traction gears 2b3 are meshed with each other, and the output end of the traction motor 2b1 is fixedly connected with one end of one traction roller 2b 2; the traction motor 2b1 works to drive one traction roller 2b2 to rotate, and the two traction rollers 2b2 can synchronously rotate in the direction under the transmission action of the two traction gears 2b3, so that the stretched and wound film in the middle of the two traction gears 2b3 is conveyed forwards.

Specifically, the cutting mechanism 4 comprises a cutting knife 4a, a knife holder 4b and a mounting frame 4c, the mounting frame 4c is mounted at the upper end of the base 1, two ends of the knife holder 4b are respectively in sliding fit with two ends of the mounting frame 4c, the cutting knife 4a is mounted at the lower end of the knife holder 4b, a cutting cylinder 4d which is vertically and downwardly arranged is arranged at the upper end of the mounting frame 4c, and the output end of the cutting cylinder 4d is fixedly connected with the knife holder 4 b; the cutter seat 4b is pushed to move downwards by the operation of the cutting cylinder 4d, the cutter seat 4b drives the cutting knife 4a to move downwards, and the stretch wrap film is cut off by the cutting knife 4 a.

Specifically, the winding mechanism 5 comprises a winding shaft 5a and a winding motor 5b, the winding shaft 5a is horizontally arranged above the base 1, and the output end of the winding motor 5b is fixedly connected with one end of the winding shaft 5 a; the winding shaft 5a is driven to rotate to wind the stretching and winding film through the work of the winding motor 5 b.

The utility model discloses a theory of operation: the traction motor 2b1 works to drive one traction roller 2b2 to rotate, the two traction rollers 2b2 can synchronously rotate under the transmission action of the two traction gears 2b3, so that the stretch wrap film in the middle of the two traction gears 2b3 is conveyed forwards, meanwhile, the winding motor 5b works to drive the winding shaft 5a to rotate to wind the stretch wrap film, the traction component 2b is used for drawing the stretch wrap film to the cutting component 3b, the winding mechanism 5 draws the stretch wrap film to the cutting mechanism 4 while winding the stretch wrap film, when the film wound on the winding mechanism 5 is enough, the stretch wrap film is cut by the cutting mechanism 3, the driving cylinder 3a2 works to drive the driving plate 3a3 to vertically move downwards, the driving plate 3a3 drives the two driving rods 3a4 to move, the two driving rods 3a4 push the two connecting blocks 3b3 to move downwards, and the cutter 3b1 installed in the middle of the two connecting blocks 3b3 moves downwards, meanwhile, the two pressing blocks 3c1 are driven to move downwards through the two pressing springs 3b2, the pressing blocks 3c1 are firstly abutted to the stretch winding film to be pressed and compressed, the pressing springs 3b2 continue to shrink, the cutter 3b1 cuts the stretch winding film, then the stretch winding film is continuously conveyed, when the cut is conveyed to the cutting mechanism 4, the cutting cylinder 4d works to push the cutter holder 4b to move downwards, the cutter holder 4b drives the cutting knife 4a to move downwards, the stretch winding film is cut off through the cutting knife 4a, and the wound stretch winding film is taken down.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.

Claims

1. A stretch wrap film cutter characterized by: comprises a base (1), a material guiding mechanism (2), a notching mechanism (3), a cutting mechanism (4) and a winding mechanism (5), wherein the material guiding mechanism (2) is arranged at the upper end of the base (1), the notching mechanism (3) is arranged in the middle of the material guiding mechanism (2), the cutting mechanism (4) is arranged at the tail end of the material guiding mechanism (2), the winding mechanism (5) is arranged at the side of the cutting mechanism (4), the notching mechanism (3) comprises a driving component (3a), a notching component (3b) and a pressing component (3c), the notching component (3b) and the pressing component (3c) are both arranged at the lower end of the driving component (3a), the notching component (3b) is connected with the pressing component (3c), the material guiding mechanism (2) comprises a plurality of guide rollers (2a) and a traction component (2b), the traction component (2b) is arranged at the side of the notching mechanism (3), the guide rollers (2a) are all sequentially arranged along the length direction of the base (1).

2. The stretch wrap film cutter of claim 1, wherein: drive assembly (3a) include mount (3a1), drive actuating cylinder (3a2), drive plate (3a3) and two actuating levers (3a4), the upper end at base (1) is installed in mount (3a1), it installs the vertical downward setting of output at the upper end of mount (3a1) and drive actuating cylinder (3a2) to drive actuating cylinder (3a2), install on the output of driving actuating cylinder (3a2) drive plate (3a3), two the actuating lever (3a4) all are vertical setting and two actuating levers (3a4) install the lower extreme at drive plate (3a3) both ends respectively.

3. The stretch wrap film cutter of claim 2, wherein: compress tightly subassembly (3c) including compressing tightly piece (3c1) and two slider (3c2), the both ends of mount (3a1) all are equipped with slide rail (3c3), and two slider (3c2) are installed respectively in two slide rails (3c3) and two slider (3c2) respectively with two slide rail (3c3) sliding fit, the both ends of compressing tightly piece (3c1) respectively with two slider (3c2) fixed connection.

4. The stretch wrap film cutter of claim 3, wherein: the lower end of the pressing block (3c1) is provided with an elastic pad (6).

5. The stretch wrap film cutter of claim 3, wherein: incision component (3b) includes cutter (3b1) and two pressure spring (3b2), the middle part of compact heap (3c1) is equipped with the mounting groove, install in the mounting groove cutter (3b1), cutter (3b1) upper portion both ends all are equipped with connecting block (3b3), two connecting block (3b3) respectively with the lower extreme fixed connection of two actuating levers (3a4), the upper end of two pressure spring (3b2) respectively with two connecting block (3b3) fixed connection, the lower extreme of two pressure spring (3b2) respectively with the upper end fixed connection of two slider (3c2), the cutting edge that is of cutter (3b1) is the cockscomb structure.

6. The stretch wrap film cutter of claim 1, wherein: the traction assembly (2b) comprises a traction motor (2b1), two traction rollers (2b2) and two traction gears (2b3), wherein the two traction rollers (2b2) are horizontally arranged, the two traction gears (2b3) are respectively arranged at one ends of the two traction rollers (2b2) and the two traction gears (2b3) are meshed, and the output end of the traction motor (2b1) is fixedly connected with one end of one traction roller (2b 2).

7. The stretch wrap film cutter of claim 1, wherein: shutdown mechanism (4) are including cutting off cutter (4a), blade holder (4b) and mounting bracket (4c), the upper end at base (1) is installed in mounting bracket (4c), the both ends of blade holder (4b) respectively with the both ends sliding fit of mounting bracket (4c), the lower extreme at blade holder (4b) is installed in cutting off cutter (4a), the upper end of mounting bracket (4c) is equipped with vertical cylinder (4d) that cuts off that sets up downwards, the output and blade holder (4b) fixed connection that cut off cylinder (4 d).

8. The stretch wrap film cutter of claim 1, wherein: winding mechanism (5) include rolling axle (5a) and rolling motor (5b), rolling axle (5a) are the level and set up the top at base (1), the output of rolling motor (5b) and the one end fixed connection of rolling axle (5 a).