CN219709657U

CN219709657U - Flat wire cutting and strip forming device

Info

Publication number: CN219709657U
Application number: CN202320456278.4U
Authority: CN
Inventors: 姜超
Original assignee: Taihe Yixin Plastic Industry Co ltd
Current assignee: Taihe Yixin Plastic Industry Co ltd
Priority date: 2023-03-13
Filing date: 2023-03-13
Publication date: 2023-09-19
Anticipated expiration: 2033-03-13

Abstract

The utility model discloses a device for cutting flat wire into strips, and relates to the technical field of flat wire processing. The utility model includes a frame. A bottom roller driven by a motor is rotatably connected between the inner surfaces of the frame. A pressure frame is slidingly connected between the inner surfaces of the frame and corresponding to the position above the bottom roller. The pressure frame and the frame A set of pressure push rods are installed between the opposite surfaces of the pressure frame. There is a vibrating knife frame slidingly connected to the inside of the pressure frame. A knife roller is rotatably connected between the inner surfaces of the vibrating knife frame. There are two symmetrical settings installed on the surface of the pressure frame. For the vibrating tool assembly that drives the vibrating tool frame to move up and down, a synchronization shaft is installed between the opposite surfaces of the two vibrating tool assemblies. In this utility model, when the knife roller and the bottom roller rotate, the vibrating knife frame reciprocates up and down within the set stroke under the action of the vibrating knife assembly. Through the up and down reciprocating movement of the vibrating knife frame, the knife ring can synchronously form the film. Turning and grinding.

Description

Flat wire cutting and strip forming device

Technical Field

The utility model belongs to the technical field of flat wire processing, and particularly relates to a flat wire cutting and slivering device.

Background

Polyethylene flat filaments (plastic flat filaments) are the necessary raw material for weaving cylindrical flexible containers by circular weaving machines. The specific production process of the polyethylene flat yarn comprises the following steps: firstly, melting polypropylene particles by using a hot melt extruder, then forming a polypropylene film by using a forming die at the outlet end of the extruder, cooling and shaping by using a cooling water tank under the traction action of a lifting traction device, and finally shredding by using a shredding device to finally form the polypropylene flat yarn for the circular weaving machine to weave the cylindrical flexible freight bag.

In the prior art, the cutting of the polypropylene film is usually realized by a cutting knife, and in the prior art, various forms of polypropylene film flat wire cutting devices are already disclosed in patent document with publication number of CN215589278U, which comprises a supporting frame, an electric push rod mounting plate and an electric push rod, wherein the supporting frame is of a rectangular structure, the electric push rod mounting plate is fixedly arranged at the upper positions of the left end and the right end of the supporting frame, the electric push rods are respectively fixedly arranged at the upper positions of the electric push rod mounting plate, the electric push rods are fixedly provided with two movable cutting rollers, the movable shafts penetrate through the centers of the movable cutting rollers to fix the movable cutting rollers at the left side and the right side positions of the supporting frame through movable mounting shaft seats, the device is simple in design structure, scientific and reasonable, and realizes the unification of the width of the polypropylene film cutting flat wire, but for the flat wire cutting device adopts a single rotary cutting structure, and the cutting strength and the cutting efficiency of the flat wire are limited due to the limitation of the single rotary cutting structure.

Disclosure of Invention

The utility model aims to provide a flat wire cutting and strip forming device, which solves the problem that the cutting strength and the cutting efficiency of flat wires are limited due to the fact that the conventional flat wire cutting device adopts a single rotary-cut structure through the arrangement of a vibrating cutter frame and a vibrating assembly.

In order to solve the technical problems, the utility model is realized by the following technical scheme:

the utility model relates to a flat wire cutting and slitting device which comprises a frame, wherein bottom rollers driven by a motor are rotationally connected between the inner surfaces of the frame, a pressing frame is slidingly connected between the inner surfaces of the frame and corresponds to the positions above the bottom rollers, a group of pressing push rods are arranged between the pressing frame and the opposite surfaces of the frame, a vibrating frame is slidingly connected inside the pressing frame, knife rollers are rotationally connected between the inner surfaces of the vibrating frame, two vibrating knife assemblies which are symmetrically arranged and are used for driving the vibrating knife frames to move up and down are arranged on the surfaces of the pressing frame, and a synchronous shaft is arranged between the opposite surfaces of the two vibrating knife assemblies.

Further, a group of cutting ring grooves distributed in a linear array are formed in the bottom roller, and knife rings are fixedly arranged on the peripheral side face of the knife roller and correspond to the positions of the cutting ring grooves.

Further, the cross section of the cutter ring is V-shaped, and the depth of the cutting ring groove is 1.1-1.3 times of the height of the cutter edge of the cutter ring.

Further, the vibrating knife components respectively comprise a driving wheel, two guide rods, a wheel shaft, a conversion shaft, a reversing fluted disc and a reciprocating toothed disc, wherein the driving wheel is arranged at the end part of a bottom roller, the guide rods are symmetrically arranged and arranged on the surface of the pressing frame, the wheel shaft is rotationally connected with the pressing frame, the conversion shaft and the reversing fluted disc are rotationally connected to the inner side of the pressing frame, the circumferential side surface of the wheel shaft is respectively fixedly provided with a guide fluted disc and a driven wheel matched with the driving wheel, the circumferential side surface of the wheel shaft is rotationally connected with the conversion shaft through a belt, two ends of the synchronous shaft are respectively fixedly connected with the conversion shafts in the two vibrating knife components, the circumferential side surface of the conversion shaft is fixedly provided with a half gear, the circumferential side surface of the half gear is meshed with the reciprocating toothed disc, the circumferential side surfaces of the guide rods are respectively connected with the vibrating knife frame in a sliding manner, the circumferential side surface of the guide rods are sleeved with compression springs, the end part of the knife roller is fixedly provided with a driven fluted disc meshed with the reversing fluted disc, and the circumferential side surface of the reversing fluted disc is in transmission connection with the guide fluted disc.

Further, friction lines are fixedly arranged on the peripheral sides of the driving wheel and the driven wheel, and the cross section of the guide rod is T-shaped.

The utility model has the following beneficial effects:

in the utility model, when the knife roller and the bottom roller rotate, the knife vibrating frame reciprocates up and down in a set stroke under the action of the knife vibrating component, and the knife ring synchronously forms rotary cutting and abrasive cutting on the film through the up and down reciprocating movement of the knife vibrating frame.

Of course, it is not necessary for any one product to practice the utility model to achieve all of the advantages set forth above at the same time.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed for the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic view of a flat wire cutting and slitting device;

FIG. 2 is a schematic view of a partial enlarged structure at A in FIG. 1;

FIG. 3 is a schematic view of a partial enlarged structure at B in FIG. 1;

fig. 4 is a schematic structural view of the press frame and the reversing fluted disc.

In the drawings, the list of components represented by the various numbers is as follows:

1. a frame; 2. a motor; 3. a bottom roller; 4. a pressing frame; 5. a pressing push rod; 6. a vibrating tool rest; 7. a knife roll; 8. a synchronizing shaft; 9. cutting the ring groove; 10. a knife ring; 11. a driving wheel; 12. a guide rod; 13. reversing fluted disc; 14. a reciprocating toothed plate; 15. a guide fluted disc; 16. driven wheel; 17. a half gear; 18. a compression spring; 19. a driven fluted disc.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-4, the utility model discloses a flat wire cutting and slitting device, which comprises a frame 1, wherein a bottom roller 3 driven by a motor 2 is rotationally connected between the inner surfaces of the frame 1, and a group of cutting ring grooves 9 distributed in a linear array are formed in the bottom roller 3;

a pressing frame 4 is connected between the inner surfaces of the frame 1 in a sliding manner and corresponds to the position above the bottom roller 3, a group of pressing push rods 5 are arranged between the pressing frame 4 and the opposite surface of the frame 1, a vibrating frame 6 is connected in the pressing frame 4 in a sliding manner, a knife roller 7 is connected between the inner surfaces of the vibrating frame 6 in a rotating manner, and a knife ring 10 is fixedly arranged on the circumferential side surface of the knife roller 7 and corresponds to the position of each cutting ring groove 9;

the cross section of the cutter ring 10 is V-shaped, the depth of the cutting ring groove 9 is 1.2 times of the height of the cutter edge of the cutter ring 10, and the cutter ring 10 is provided with enough cutter vibrating space by setting the depth of the cutting ring groove 9 and the height of the cutter edge of the cutter ring 10;

the surface of the pressing frame 4 is provided with two vibrating knife components which are symmetrically arranged and used for driving the vibrating knife rest 6 to move up and down, and a synchronizing shaft 8 is arranged between the opposite surfaces of the two vibrating knife components.

The vibrating knife assembly comprises a driving wheel 11 arranged at the end part of the bottom roller 3, two guide rods 12 symmetrically arranged and arranged on the surface of the pressing frame 4, a wheel shaft, a conversion shaft, a reversing fluted disc 13 and a reciprocating toothed plate 14 fixed on the side surface of the vibrating knife rest 6, wherein the wheel shaft, the conversion shaft and the reversing fluted disc 13 are rotatably connected inside the pressing frame 4, the peripheral side surface of the wheel shaft is respectively and fixedly provided with a driving fluted disc 15 and a driven wheel 16 matched with the driving wheel 11, friction lines are fixedly arranged on the peripheral side surfaces of the driving wheel 11 and the driven wheel 16, and the driving wheel 11 can effectively drive the driven wheel 16 through the friction line arrangement of the peripheral side surfaces of the driving wheel 11 and the driven wheel 16;

the circumference of the wheel axle is rotationally connected with the conversion shaft through a belt, two ends of the synchronous shaft 8 are fixedly connected with the conversion shaft in the two vibrating cutter assemblies respectively, a half gear 17 is fixedly arranged on the circumference of the conversion shaft, the circumference of the half gear 17 is meshed with the reciprocating toothed plate 14, the circumferences of the two guide rods 12 are both in sliding connection with the vibrating cutter rest 6, the cross section of each guide rod 12 is T-shaped, the circumference of each guide rod 12 is sleeved with a compression spring 18, a driven fluted disc 19 meshed with the reversing fluted disc 13 is fixedly arranged at the end part of the cutter roller 7, and the circumference of the reversing fluted disc 13 is in transmission connection with the guide fluted disc 15.

One specific application of this embodiment is: firstly, a control switch of a pressing push rod 5 is used for starting the pressing push rod 5, a telescopic rod of the pressing push rod 5 pushes downwards, so that a pressing frame 4 moves downwards, when a knife roll 7 contacts a bottom roll 3, the pressing push rod 5 stops moving, at the moment, the knife roll 7 is in a pressing contact state with the bottom roll 3, the peripheral side surface of a driven wheel 16 is in pressing contact with a driving wheel 11, then a cooled and shaped polypropylene film passes between the movable knife roll 7 and the bottom roll 3, then, under the driving action of a motor 2, the knife roll 7 and the bottom roll 3 rotate, when the knife roll 7 and the bottom roll 3 rotate, a knife rest 6 reciprocates up and down in a set stroke under the action of a knife vibrating component, and when the knife rest 6 reciprocates up and down, teeth at a guide fluted disc 15 and a driven fluted disc 19 keep a connection relation, and the knife rest 10 synchronously form rotary cutting and abrasive cutting on the film through the up and down reciprocation of the knife rest 6, and then the cutting effect of the film is improved through the realization of the double cutting mode;

when the polypropylene film passes between the knife roller 7 and the bottom roller 3, the polypropylene film is cut into strip-shaped flat filaments, and finally the cut polypropylene flat filaments are wound on a winding wheel to prepare the warp-weft flat filaments of the circular loom.

In the description of the present specification, the descriptions of the terms "one embodiment," "example," "specific example," and the like, mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present utility model. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The preferred embodiments of the utility model disclosed above are intended only to assist in the explanation of the utility model. The preferred embodiments are not exhaustive or to limit the utility model to the precise form disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the utility model and the practical application, to thereby enable others skilled in the art to best understand and utilize the utility model. The utility model is limited only by the claims and the full scope and equivalents thereof.

Claims

1. Flat wire cutting becomes strip device, including frame (1), its characterized in that: the utility model discloses a vibrating knife rack is characterized in that a bottom roller (3) driven through a motor (2) is rotationally connected between the inner surfaces of a rack (1), a pressing frame (4) is slidingly connected between the inner surfaces of the rack (1) and at positions corresponding to the upper parts of the bottom roller (3), a group of pressing push rods (5) are installed between the opposite surfaces of the pressing frame (4) and the rack (1), a knife roller (7) is rotationally connected between the inner surfaces of the pressing frame (4), two vibrating knife assemblies which are symmetrically arranged and are used for driving the vibrating knife rack (6) to move up and down are installed on the surface of the pressing frame (4), and a synchronous shaft (8) is installed between the opposite surfaces of the vibrating knife assemblies.

2. The flat wire cutting and slitting device according to claim 1, wherein a group of cutting ring grooves (9) distributed in a linear array are formed in the bottom roller (3), and knife rings (10) are fixedly arranged on the peripheral side surface of the knife roller (7) and correspond to the positions of each cutting ring groove (9).

3. The flat wire cutting and slitting device according to claim 2, characterized in that the cross section of the knife ring (10) is V-shaped, and the depth of the cutting ring groove (9) is 1.1-1.3 times the knife edge height of the knife ring (10).

4. The flat wire cutting and slitting device according to claim 3, wherein the vibrating blade assemblies respectively comprise a driving wheel (11) mounted at the end part of the bottom roller (3), two guide rods (12) symmetrically arranged and mounted on the surface of the pressing frame (4), a wheel shaft, a conversion shaft and a reversing fluted disc (13) rotatably connected to the inside of the pressing frame (4), a reciprocating toothed plate (14) fixed on the side surface of the vibrating blade frame (6), a driving wheel (15) and a driven wheel (16) matched with the driving wheel (11) are respectively fixedly mounted on the peripheral side surface of the wheel shaft, the peripheral side surface of the wheel shaft is rotatably connected with the conversion shaft through a belt, two ends of the synchronous shaft (8) are respectively fixedly connected with the conversion shafts in the two vibrating blade assemblies, the peripheral side surfaces of the conversion shafts are fixedly mounted with semi-gears (17), the peripheral side surfaces of the semi-gears (17) are meshed with the reciprocating toothed plate (14), the peripheral side surfaces of the two guide rods (12) are slidably connected with the cutter frame (6), a spring (18) is sleeved on the peripheral side surface of the guide rod (12), and the driven fluted disc (13) is fixedly mounted on the peripheral side surface of the reversing fluted disc (13).

5. The flat wire cutting and slitting device according to claim 4, wherein friction lines are fixedly arranged on the peripheral sides of the driving wheel (11) and the driven wheel (16), and the cross section of the guide rod (12) is T-shaped.