CN217992732U - Cutting device for processing flat wires - Google Patents

Abstract

The application relates to the technical field of woven bag processing, in particular to a cutting device for processing flat filaments, which comprises a rack, a supporting roll, a fixed roll, a corner cutting mechanism, a forming cutting mechanism and a driving mechanism, wherein the supporting roll is rotatably arranged on the rack and used for supporting a film; the corner cutting mechanism is arranged on the fixed roller, the forming cutting mechanism is arranged on the fixed roller, the fixed roller is rotatably arranged on the rack and is positioned on one side of the supporting roller, which is far away from the ground, and the fixed roller rotates and drives the corner cutting mechanism and the forming cutting mechanism to approach the supporting roller; the driving mechanism is arranged on the rack and connected with the fixed roller and drives the fixed roller to rotate. This application has the effect that improves work efficiency.

Description

Cutting device for processing flat wires

Technical Field

The application relates to the technical field of woven bag processing, in particular to a cutting device for processing flat filaments.

Background

At present, woven bags are divided into polypropylene bags and polyethylene bags according to the main material composition; the packaging material is divided into a bottom sewing bag and a side sewing bag according to a sewing method, and is a packaging material widely applied to the articles such as fertilizers, chemical products and the like at present.

In the prior art, the main production process of the woven bag is to extrude a film from a plastic raw material, cut and unidirectionally stretch the plastic raw material into flat filaments, and the flat filaments are woven by warps and wefts to obtain the product. When processing, the raw materials carries out the material loading through loading attachment, then the raw materials gets into single screw extruder and heats and carry to the probe, then extrude the film from the probe, the film of extruding is through the water-cooling, then cuts the film through cutting equipment, carries out a lot of after the cutting finishes and stretches and stereotypes, forms the flat filament, then weaves and obtains the braided bag.

In realizing this application in-process, the inventor finds that there is following problem at least in this technique, and in this technology, the die head of extruder because there is rivers on both sides when extruding the film, leads to the edge on film both sides not to be suitable for production, when cutting apart into strip base silk with the film, this edge is adulterated in qualified flat filament through follow-up processing, and then makes still need select the flat filament of this edge processing in qualified product, and comparatively waste time, and then leads to work efficiency relatively poor.

SUMMERY OF THE UTILITY MODEL

In order to improve work efficiency, the application provides a cutting device for flat filament processing.

The application provides a cutting device for flat filament processing adopts following technical scheme:

a cutting device for processing flat wires comprises a rack, a supporting roller, a fixed roller, a corner cutting mechanism, a forming cutting mechanism and a driving mechanism, wherein the supporting roller is rotatably arranged on the rack and used for supporting a thin film; the corner cutting mechanism is arranged on the fixed roller, the forming cutting mechanism is arranged on the fixed roller, the fixed roller is rotatably arranged on the rack and is positioned on one side of the supporting roller, which is far away from the ground, and the fixed roller rotates and drives the corner cutting mechanism and the forming cutting mechanism to approach the supporting roller; the driving mechanism is arranged on the rack and connected with the fixed roller and drives the fixed roller to rotate.

According to the technical scheme, the thin film formed by the die head passes through the supporting roll, the driving mechanism drives the fixing roll to rotate, the fixing roll drives the corner cutting mechanism and the forming cutting mechanism to approach the thin film on the supporting roll, and then the corner cutting mechanism and the forming cutting mechanism are used for cutting the thin film; through the corner cutting mechanism and the forming cutting mechanism, the edge of the film is cut off and falls on the rack, edge doping of the film in qualified products is reduced, time for operators to select is reduced, and working efficiency is improved.

Optionally, the corner cutting mechanism includes a cutter, a fixing rod and a power assembly, the fixing rod is connected to both ends of the fixing roller in a sliding manner, the cutter is arranged on the fixing rod, and the fixing rod slides to drive the cutter to approach the supporting roller; the power assembly is arranged on the fixed roller and is connected with the fixed rod and drives the fixed rod to slide.

According to the technical scheme, the thin film formed by the die head passes through the supporting roll, the driving mechanism drives the fixed roll to rotate, the fixed roll drives the corner cutting mechanism and the forming cutting mechanism to approach to the thin film on the supporting roll, the power assembly drives the fixed rod to slide, the fixed rod drives the cutter to approach to the supporting roll, the cutter is abutted against the thin film and completes cutting, the forming cutting mechanism cuts the thin film, and the edge of the thin film falls on the rack; through the corner cutting mechanism who sets up, realized the cutting of edge.

Optionally, the power assembly includes a power motor, a cam and a compression spring, the compression spring is disposed on the fixed roller, and the compression spring is connected to the fixed rod and drives the fixed rod to slide in a direction away from the supporting roller; the power motor is arranged on the fixed roller, the cam is arranged on an output shaft of the power motor, and the cam is abutted to the fixed rod and drives the fixed rod to slide.

According to the technical scheme, the thin film formed by the die head passes through the supporting roll, the driving mechanism drives the fixing roll to rotate, the fixing roll drives the corner cutting mechanism and the forming cutting mechanism to approach to the thin film on the supporting roll, the power motor is started, the power motor drives the cam to rotate, the cam drives the cutter on the fixing rod to cut the thin film, and meanwhile, the compression spring is stressed and compressed to accumulate elastic potential energy; the power component simple structure that sets up, the operation of being convenient for, the compression spring that sets up simultaneously accumulates the elastic force for the dead lever all the time with the cam butt.

Optionally, an installation groove is formed in the fixed roller, the forming and cutting mechanism includes a fixed plate, a cutting blade and a connecting assembly, the fixed plate is clamped in the installation groove, the connecting assembly is arranged on the fixed roller, and the connecting assembly is connected with the fixed plate; the fixed plate is provided with a plurality of cutting blades, and the cutting blades are arranged at equal intervals along the length direction of the fixed plate.

By adopting the technical scheme, the cutting blades with proper intervals are selected according to the width of the flat wire with cutting, then the fixing plate is inserted into the mounting groove, and then the fixing plate is fixed by the connecting assembly; cutting blade can dismantle the setting on the fixed roll for this cutting device can realize the processing of multiple width flat filament, and then the suitability obtains improving.

Optionally, a collecting mechanism is arranged on the rack, the collecting mechanism includes a collecting box, a collecting pipe and a negative pressure fan, the collecting box is placed on one side of the rack, the negative pressure fan is arranged on the collecting box, the collecting pipe is arranged on one side of the collecting box far away from the negative pressure fan, and the collecting pipe extends to the rack and collects the waste thin films.

By adopting the technical scheme, the cut and dropped edges fall on the rack, then the negative pressure fan is started, the negative pressure fan works intermittently, so that a negative pressure space is formed in the collecting box, the atmospheric pressure of the collecting pipe on one side of the rack is higher than that in the collecting box, and then the edges enter the collecting box through the collecting pipe; the waste material collecting mechanism can reduce the stacking of waste materials on the rack, reduce the influence on the flat filament production, automatically collect the waste materials, reduce the manpower wasted by manually collecting the waste materials and reduce the labor cost; meanwhile, the negative pressure fan works discontinuously, so that the electric energy loss is reduced, and the negative pressure fan is prevented from being blocked by waste materials.

Optionally, the collecting mechanism further includes an isolation net, the isolation net is disposed in the collecting box, and the isolation net blocks the waste film from entering the negative pressure air blower.

By adopting the technical scheme, the waste materials enter the collecting box through the collecting pipe, and the blocking of the negative pressure fan by the waste materials can be reduced through the arranged isolation net, so that the collecting effect of the collecting mechanism can be kept.

Optionally, an adjusting mechanism is arranged on the frame, the adjusting mechanism includes an adjusting plate and an adjusting assembly, the adjusting plate is slidably arranged on the frame, and the fixing roller is rotatably arranged on the adjusting plate; the adjusting component is arranged on the rack, and the adjusting component is connected with the adjusting plate and drives the adjusting plate to slide.

By adopting the technical scheme, when the position of the film is deviated in the conveying process, the adjusting plate can be driven by the adjusting component to slide, and the adjusting plate drives the fixing roller to slide along the length direction of the supporting roller; through the adjusting mechanism, the increase of waste materials caused by the position deviation of the film is reduced, and further the resource waste is reduced.

Optionally, the adjusting assembly includes an adjusting motor, an adjusting screw and an adjusting block, the adjusting block is connected to the frame in a sliding manner, and the adjusting block is connected to the adjusting plate; the adjusting motor is arranged on the rack, the adjusting screw rod is connected to an output shaft of the adjusting motor, and the adjusting screw rod is in threaded connection with the adjusting block and drives the adjusting block to slide.

By adopting the technical scheme, the adjusting motor is started, the adjusting motor drives the adjusting screw to rotate, the adjusting screw drives the adjusting block to slide, the adjusting block drives the adjusting plate to slide, and the adjusting plate drives the fixing roller to slide; the adjusting assembly is simple in structure and convenient to operate, and has the effect of improving the working efficiency.

To sum up, this application includes following beneficial technological effect:

1. the edges of the thin film are cut off and fall on the rack through the arranged corner cutting mechanism and the forming cutting mechanism, so that the edges of the thin film are reduced from being doped in qualified products, the time for selecting by operators is reduced, and the working efficiency is improved;

2. the stacking of waste materials on the rack can be reduced through the collecting mechanism, the influence on the flat filament production is reduced, meanwhile, the waste materials are automatically collected, the manpower for manually collecting the waste materials is reduced, and the labor cost is reduced; meanwhile, the negative pressure fan works discontinuously, so that the electric energy loss is reduced, and the blockage of the negative pressure fan by waste materials is reduced;

3. through the adjusting mechanism, the waste increase caused by the position deviation of the film is reduced, and the resource waste is further reduced.

Drawings

FIG. 1 is a schematic overall structure diagram of a cutting device for flat filament processing according to an embodiment of the present application;

FIG. 2 is a schematic structural diagram of an adjusting mechanism according to an embodiment of the present application;

FIG. 3 is a schematic structural diagram of a corner cutting mechanism according to an embodiment of the present application;

fig. 4 is a schematic structural diagram of a collecting mechanism in the embodiment of the present application.

Reference numerals: 100. a frame; 200. a support roller; 300. a fixed roller; 400. a corner cutting mechanism; 410. a cutter; 420. a fixing rod; 430. a power assembly; 431. a power motor; 432. a cam; 433. a compression spring; 434. a limiting plate; 500. a forming and cutting mechanism; 510. a fixing plate; 520. a cutting blade; 530. a connecting assembly; 600. a drive mechanism; 610. an electric pushing cylinder; 620. a drive rod; 700. a collection mechanism; 710. a collection box; 720. a collection tube; 730. a negative pressure fan; 740. an isolation net; 800. an adjustment mechanism; 810. an adjusting plate; 820. an adjustment assembly; 821. adjusting the motor; 822. adjusting the screw rod; 823. and a regulating block.

Detailed Description

The present application is described in further detail below with reference to figures 1-4.

The embodiment of the application discloses a cutting device for flat filament processing.

Referring to fig. 1 and 2, the cutting device for flat filament processing includes a frame 100, a supporting roller 200 rotatably disposed on the frame 100, a fixed roller 300 rotatably disposed on the frame 100, a corner cutting mechanism 400 disposed on the fixed roller 300 for edge cutting, a forming cutting mechanism 500 disposed on the fixed roller 300 for forming and cutting a flat filament, a driving mechanism 600 disposed on the frame 100 for rotation of the fixed roller 300, and a collecting mechanism 700 disposed on the frame 100 for corner collection; when the film passes through the supporting roller 200, the driving mechanism 600 drives the fixing roller 300 to rotate, the fixing roller 300 drives the corner cutting mechanism 400 and the forming cutting mechanism 500 to approach to the film on the supporting roller 200, the corner cutting mechanism 400 and the forming cutting mechanism 500 cut the film to form formed flat wires and waste materials, and the waste materials fall on the rack 100 and are collected by the collecting mechanism 700.

Referring to fig. 1 and 2, an adjusting mechanism 800 is disposed on the machine frame 100, the adjusting mechanism 800 includes an adjusting plate 810, one end of the fixed roller 300 is rotatably connected to the adjusting plate 810, the other end of the fixed roller 300 is fixedly connected to a rotating shaft, the rotating shaft is rotatably connected to the machine frame 100, and the rotating shaft can slide on the machine frame 100 along the length direction of the fixed roller 300; an adjusting component 820 is arranged on the adjusting plate 810, the adjusting component 820 comprises an adjusting block 823 vertically and fixedly connected to the adjusting plate 810, the adjusting block 823 is rectangular, and one end of the adjusting block 823 penetrates through the side wall of the rack 100; an adjusting motor 821 is fixedly connected to the rack 100, an output shaft of the adjusting motor 821 is connected with an adjusting screw 822, and the adjusting screw 822 is in threaded connection with an adjusting block 823 through one end of the rack 100; starting adjusting motor 821, adjusting motor 821 drives adjusting screw 822 to rotate, adjusting screw 822 drives adjusting block 823 to slide, and adjusting block 823 drives fixing roller 300 on adjusting plate 810 to slide along the length direction of fixing roller 300.

Referring to fig. 1 and 2, the driving mechanism 600 includes an electric pushing cylinder 610, a cylinder body of the electric pushing cylinder 610 is rotatably connected to the adjusting plate 810, a piston rod of the electric pushing cylinder 610 is rotatably connected to a driving rod 620, the driving rod 620 is fixedly connected to the fixed roller 300, the electric pushing cylinder 610 is started, the electric pushing cylinder 610 drives the driving rod 620 to rotate, and the driving rod 620 drives the fixed roller 300 to rotate.

Referring to fig. 1 and 2, the fixing roller 300 is provided with a mounting groove, the mounting groove is formed along the length direction of the fixing roller 300, a fixing plate 510 is clamped in the mounting groove, a plurality of cutting blades 520 are fixedly connected to the fixing plate 510, and all the cutting blades 520 are arranged at equal intervals along the length direction of the fixing plate 510; be provided with coupling assembling 530 on the fixed roll 300, coupling assembling 530 is connecting bolt, and connecting bolt stretches into the mounting groove and with fixed plate 510 butt, has seted up the spacing groove on the fixed plate 510, connecting bolt stretch into the spacing inslot and with the tank bottom butt of spacing groove.

Referring to fig. 2 and 3, both ends of the fixed roller 300 are provided with sliding grooves, and the sliding grooves are arranged at an included angle with respect to a plane where the cutting blade 520 is located; the corner cutting mechanism 400 comprises a fixed rod 420 connected in a sliding groove in a sliding manner, a cutter 410 is fixedly connected to the fixed rod 420, the plane where the cutting edge of the cutter 410 is located is parallel to the axis of the supporting roller 200, and the side walls of the two adjacent cutters 410 are respectively parallel to the side walls of the two cutting blades 520 at the two ends of the fixed plate 510, which are far away from each other; mounting cavities are formed in two ends of the fixed roller 300, power assemblies 430 are arranged in the mounting cavities, each power assembly 430 comprises a power motor 431 fixedly connected in each mounting cavity, and a cam 432 is connected to an output shaft of each power motor 431; a limiting groove is formed in the side wall of the sliding groove, a limiting plate 434 is connected in the limiting groove in a sliding manner, the limiting plate 434 is fixedly connected to one end, away from the cutter 410, of the fixing rod 420, a compression spring 433 is sleeved on the fixing rod 420, one end of the compression spring 433 is connected with the limiting plate 434, the other end of the compression spring 433 is connected with the side wall, close to the cutter 410, of the limiting groove, and the compression spring 433 drives the limiting plate 434 to slide towards the direction away from the supporting roller 200; the cam 432 abuts against the stopper plate 434 and drives the stopper plate 434 to slide.

Referring to fig. 1 and 4, the collecting mechanism 700 includes two collecting boxes 710 disposed at both sides of the rack 100, a collecting chamber is formed in the collecting box 710, an isolation net 740 is fixedly connected in the collecting chamber, and the isolation net 740 is located at one end of the collecting box 710 far from the rack 100; the side wall of the collecting box 710 far away from the rack 100 is fixedly connected with a negative pressure fan 730, and the negative pressure fan 730 is communicated with the collecting cavity; a collecting pipe 720 communicated with the collecting cavity is fixedly connected to the side wall, close to the rack 100, of the collecting box 710, and one end, far away from the collecting box 710, of the collecting pipe 720 is fixedly connected to the bottom wall of the rack 100; the negative pressure fan 730 works intermittently, the collecting cavity forms negative pressure, waste materials enter the collecting box 710 through the collecting pipe 720, and the isolating net 740 reduces the blockage of the negative pressure fan 730 by the waste materials.

The implementation principle of the cutting device for processing the flat wire is as follows: the film is pulled to pass through the supporting roller 200, the adjusting motor 821 is started according to the position of the film, the adjusting motor 821 drives the adjusting screw 822 to rotate, the adjusting screw 822 drives the adjusting block 823 to slide, and the adjusting block 823 drives the fixing roller 300 on the adjusting plate 810 to slide; then the electric pushing cylinder 610 is started, a piston rod of the electric pushing cylinder 610 drives the fixed roller 300 connected with the driving rod 620 to rotate, the fixed roller 300 drives the cutting blade 520 on the fixed plate 510 to approach the supporting roller 200, the cutting blade 520 abuts against the film of the supporting roller 200, and the film is cut into strips along with the sliding of the film; simultaneously, the power motor 431 is started, the power motor 431 drives the cam 432 to rotate, the cam 432 drives the cutter 410 on the fixed rod 420 to cut the edge of the film, and the edge is cut into a plurality of small sections and falls on the rack 100 under the combined action of the cutting blade 520 and the cutter 410; the negative pressure fan 730 is activated and waste material enters the collection tank 710 through the collection pipe 720.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: equivalent changes in structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims (8)

1. The cutting device for processing the flat wires is characterized by comprising a rack (100), a supporting roller (200), a fixing roller (300), a corner cutting mechanism (400), a forming cutting mechanism (500) and a driving mechanism (600), wherein the supporting roller (200) is rotatably arranged on the rack (100) and is used for supporting a film; the corner cutting mechanism (400) is arranged on the fixed roller (300), the forming cutting mechanism (500) is arranged on the fixed roller (300), the fixed roller (300) is rotatably arranged on the rack (100) and is positioned on one side, far away from the ground, of the supporting roller (200), and the fixed roller (300) rotates and drives the corner cutting mechanism (400) and the forming cutting mechanism (500) to approach towards the supporting roller (200); the driving mechanism (600) is arranged on the rack (100), and the driving mechanism (600) is connected with the fixed roller (300) and drives the fixed roller (300) to rotate.

2. The cutting device for flat filament processing as claimed in claim 1, wherein the corner cutting mechanism (400) comprises a cutting knife (410), a fixing rod (420) and a power assembly (430), the fixing rod (420) is connected to both ends of the fixing roller (300) in a sliding manner, the cutting knife (410) is arranged on the fixing rod (420), and the fixing rod (420) slides to drive the cutting knife (410) to approach towards the supporting roller (200); the power assembly (430) is arranged on the fixed roller (300), and the power assembly (430) is connected with the fixed rod (420) and drives the fixed rod (420) to slide.

3. The cutting device for flat wire processing as claimed in claim 2, wherein the power assembly (430) comprises a power motor (431), a cam (432) and a compression spring (433), the compression spring (433) is arranged on the fixed roller (300), the compression spring (433) is connected with the fixed rod (420) and drives the fixed rod (420) to slide towards the direction far away from the supporting roller (200); the power motor (431) is arranged on the fixed roller (300), the cam (432) is arranged on an output shaft of the power motor (431), and the cam (432) is abutted to the fixed rod (420) and drives the fixed rod (420) to slide.

4. The cutting device for flat filament processing according to claim 1, wherein the fixed roller (300) is provided with a mounting groove, the forming and cutting mechanism (500) comprises a fixed plate (510), a cutting blade (520) and a connecting assembly (530), the fixed plate (510) is clamped in the mounting groove, the connecting assembly (530) is arranged on the fixed roller (300), and the connecting assembly (530) is connected with the fixed plate (510); the fixed plate (510) is provided with a plurality of cutting blades (520), and the plurality of cutting blades (520) are arranged at equal intervals along the length direction of the fixed plate (510).

5. The cutting device for flat filament processing according to claim 1, wherein a collecting mechanism (700) is arranged on the rack (100), the collecting mechanism (700) comprises a collecting box (710), a collecting pipe (720) and a negative pressure fan (730), the collecting box (710) is placed on one side of the rack (100), the negative pressure fan (730) is arranged on the collecting box (710), the collecting pipe (720) is arranged on one side of the collecting box (710) far away from the negative pressure fan (730), and the collecting pipe (720) extends to the rack (100) and collects waste thin films.

6. The cutting device for flat filament processing according to claim 5, wherein the collecting mechanism (700) further comprises a separation net (740), the separation net (740) is arranged in the collecting box (710), and the separation net (740) blocks the waste thin film from entering the negative pressure fan (730).

7. The cutting device for flat filament processing according to claim 1, wherein an adjusting mechanism (800) is arranged on the machine frame (100), the adjusting mechanism (800) comprises an adjusting plate (810) and an adjusting assembly (820), the adjusting plate (810) is slidably arranged on the machine frame (100), and the fixed roller (300) is rotatably arranged on the adjusting plate (810); the adjusting component (820) is arranged on the rack (100), and the adjusting component (820) is connected with the adjusting plate (810) and drives the adjusting plate (810) to slide.

8. The cutting device for flat filament processing according to claim 7, wherein the adjusting assembly (820) comprises an adjusting motor (821), an adjusting screw (822) and an adjusting block (823), the adjusting block (823) is connected to the frame (100) in a sliding manner, and the adjusting block (823) is connected with the adjusting plate (810); adjusting motor (821) sets up on frame (100), adjusting screw (822) are connected on adjusting motor (821)'s the output shaft, adjusting screw (822) with regulating block (823) threaded connection just drives regulating block (823) slides.

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