阅读说明：本技术 一种薄膜粉碎刀具及包括该刀具的粉碎机 (Film crushing cutter and crusher comprising same ) 是由 杨丁卯 张春华 秦志红 白汝佳 黄卫扬 于 2021-07-28 设计创作，主要内容包括：本发明公开了一种薄膜粉碎刀具及包括该刀具的粉碎机,包括转轴、多组设置在转轴上且沿转轴的轴向排布的动刀组件、多组绕转轴周向设置的定刀组件；所述动刀组件能够和定刀组件相互配合实现切割；在转轴的轴向投影下,所有所述动刀组件之间互不重合且相邻的动刀组件之间形成预设的差动角度。粉碎刀具切削时,所有动刀组件不会同时与同一个定刀组件配合实现切割,即一个定刀组件每次只与一个动刀组件配合实现薄膜切割粉碎,从而大大减少薄膜粉碎噪音,有效防止多个动刀组件同时工作发生较大的噪音量。(The invention discloses a film crushing cutter and a crusher comprising the same, wherein the film crushing cutter comprises a rotating shaft, a plurality of groups of movable cutter assemblies arranged on the rotating shaft and distributed along the axial direction of the rotating shaft, and a plurality of groups of fixed cutter assemblies arranged around the circumferential direction of the rotating shaft; the movable cutter component can be matched with the fixed cutter component to realize cutting; under the axial projection of the rotating shaft, all the movable knife components are not overlapped with each other, and a preset differential angle is formed between the adjacent movable knife components. When smashing the cutter cutting, all move the sword subassembly can not realize the cutting with same stationary knife subassembly cooperation simultaneously, and a stationary knife subassembly only moves the sword subassembly cooperation at every turn and realizes that the film cutting is smashed with one promptly to the noise is smashed to the film that significantly reduces, prevents effectively that a plurality ofly from moving the great noise volume of sword subassembly simultaneous working emergence.)

1. A film crushing cutter is characterized by comprising a rotating shaft, a plurality of groups of movable cutter assemblies arranged on the rotating shaft and distributed along the axial direction of the rotating shaft, and a plurality of groups of fixed cutter assemblies arranged circumferentially around the rotating shaft; the movable cutter component can be matched with the fixed cutter component to realize cutting; under the axial projection of the rotating shaft, all the movable knife components are not overlapped with each other, and a preset differential angle is formed between the adjacent movable knife components.

2. The film crushing cutter as claimed in claim 1, wherein each set of the movable cutter components comprises a movable cutter base, a plurality of movable cutters arranged on the movable cutter base and a pressing movable cutter plate arranged on the movable cutters, and the pressing movable cutter plate is used for pressing the movable cutters on the movable cutter base.

3. The film crushing cutter according to claim 2, wherein each movable cutter seat comprises two symmetrically arranged wing plates, each wing plate is provided with a supporting wing structure with the same number as that of the movable cutters, each supporting wing structure comprises a supporting block extending outwards and an adjusting block arranged beside the supporting block, and each movable cutter is arranged on the supporting blocks on the two wing plates through a pressing movable cutter plate and a screw.

4. The film crushing cutter as claimed in claim 3, wherein the adjusting block is provided with an adjusting threaded hole facing the back of the movable cutter, an adjusting screw is arranged in the adjusting threaded hole, and a threaded end of the adjusting screw is pressed against the movable cutter; the movable knife is provided with movable knife elongated holes corresponding to the two supporting blocks, the pressing movable knife plate is provided with first through holes the number of which is the same as that of the movable knife elongated holes, each supporting block is provided with first threaded holes the number of which is the same as that of the movable knife elongated holes and are in one-to-one correspondence with the movable knife elongated holes, and a first locking screw is installed at each first through hole and penetrates through the movable knife elongated holes to be connected with the first threaded holes.

5. The film breaking tool of claim 4, wherein the fin structures are arranged in a circumferential array of 4 about the axis of rotation.

6. The film crushing cutter as claimed in claim 4, wherein the fixed cutter assembly comprises a backing plate, a fixed cutter arranged on the backing plate and a pressing and fixing cutter plate for pressing the fixed cutter on the backing plate, the fixed cutter extends along the axial direction of the rotating shaft, and the cutting edge of the fixed cutter faces the axial line of the rotating shaft.

7. The film crushing cutter as claimed in claim 6, wherein the fixed cutter is provided with a plurality of fixed cutter elongated holes extending along the width direction thereof, the backing plate is provided with second threaded holes which are the same in number as the fixed cutter elongated holes and correspond to the fixed cutter elongated holes one by one, the pressing and fixing cutter plate is provided with second through holes which are the same in number as the fixed cutter elongated holes and correspond to the fixed cutter elongated holes one by one, a second locking screw is mounted at each second through hole of the pressing and fixing cutter plate, and the second locking screw penetrates through the fixed cutter elongated holes and is mounted in the second threaded holes.

8. The film crushing cutter as claimed in claim 1, wherein the two end parts of the rotating shaft are provided with a partition plate, and the movable cutter assembly is arranged between the two partition plates.

9. The film breaking tool as claimed in claim 1, wherein a storage wheel is provided at one end of the rotary shaft.

10. A shredder comprising a base frame, a support mounted on the base frame, a film shredding cutter as claimed in any one of claims 1 to 9, the film shredding cutter being mounted on the support, and a drive mechanism for driving the movement of the film shredding cutter.

Technical Field

The invention relates to the technical field of film recycling, in particular to a film crushing cutter and a crusher comprising the same.

Background

At present, with the development and application of industry, the recycling of waste films attracts much attention, the films are processed and trimmed as required, and then a lot of waste edges are left, and in order to reduce the waste of resources, the waste edges must be recycled, so that the crushing and the regeneration are very important links. In order to improve crushing efficiency, the film is crushed by a crusher usually at present, but the cutter of the crusher at present generates a very large noise when cutting and crushing, and the noise generated when the crusher works is large, so that the noise directly influences the operation personnel to be incapable of communicating normally and influencing the work, and the large noise also causes damage to the human body in different degrees.

It is seen that improvements and enhancements to the prior art are needed.

Disclosure of Invention

In view of the defects of the prior art, the invention aims to provide a film crushing cutter with good cutting effect and low cutting noise and a crusher comprising the same.

In order to achieve the purpose, the invention adopts the following technical scheme:

a film crushing cutter comprises a rotating shaft, a plurality of groups of moving cutter assemblies arranged on the rotating shaft and distributed along the axial direction of the rotating shaft, and a plurality of groups of fixed cutter assemblies arranged circumferentially around the rotating shaft; the movable cutter component can be matched with the fixed cutter component to realize cutting; under the axial projection of the rotating shaft, all the movable knife components are not overlapped with each other, and a preset differential angle is formed between the adjacent movable knife components.

Each group of the moving knife components comprises a moving knife seat, a plurality of moving knives arranged on the moving knife seat, and a pressing knife board arranged on the moving knives and used for pressing the moving knives on the moving knife seat.

Each movable cutter holder comprises two wing plates which are symmetrically arranged, each wing plate is provided with a supporting wing structure which is the same as the movable cutters in number, each supporting wing structure comprises supporting blocks which extend outwards and adjusting blocks which are arranged beside the supporting blocks, and each movable cutter is arranged on the supporting blocks of the two wing plates through pressing the movable cutter plate and screws.

The adjusting block is provided with an adjusting threaded hole facing the back of the movable knife, an adjusting screw is arranged in the adjusting threaded hole, and the threaded end of the adjusting screw is pressed against the movable knife; the movable knife is provided with movable knife elongated holes corresponding to the two supporting blocks, the pressing movable knife plate is provided with first through holes the number of which is the same as that of the movable knife elongated holes, each supporting block is provided with first threaded holes the number of which is the same as that of the movable knife elongated holes and are in one-to-one correspondence with the movable knife elongated holes, and a first locking screw is installed at each first through hole and penetrates through the movable knife elongated holes to be connected with the first threaded holes.

The supporting wing structure is provided with 4 and is arranged around the circumference array of the rotating shaft.

The fixed cutter assembly comprises a base plate, a fixed cutter arranged on the base plate and a pressing and fixing cutter plate used for pressing the fixed cutter on the base plate, the fixed cutter extends along the axial direction of the rotating shaft, and the cutting edge of the fixed cutter faces to the axis on the rotating shaft.

Set up a plurality of stationary knife elongated holes that extend along its width direction on the stationary knife, be provided with the second screw hole the same with stationary knife elongated hole quantity and one-to-one on the backing plate, be equipped with the second through-hole the same with stationary knife elongated hole quantity and one-to-one on the pressure stationary knife board, every second through-hole department of pressure stationary knife board installs the second locking screw, and the second locking screw passes stationary knife elongated hole and installs in the second screw hole.

The both ends of pivot all are equipped with the baffle, move the sword subassembly and set up between two baffles.

One end cover of pivot is equipped with stores up the driving wheel.

The film crushing cutter is arranged on the support.

Has the advantages that:

compared with the prior art, the film crushing cutter provided by the invention has the advantages that the plurality of groups of movable cutter assemblies which have the same structure and are not overlapped with each other under the axial projection of the rotating shaft are arranged on the rotating shaft, and the fixed cutter assemblies are arranged on the periphery of the movable cutter assemblies, so that all the movable cutter assemblies cannot be matched with the same fixed cutter assembly to realize cutting at the same time, namely, one fixed cutter assembly is matched with only one movable cutter assembly to realize film cutting and crushing at each time, the film crushing noise is greatly reduced, and the phenomenon that a plurality of movable cutter assemblies work at the same time to generate larger noise volume is effectively prevented. Because a preset differential angle is formed between the adjacent moving cutter components, after one moving cutter component finishes cutting action, the adjacent moving cutter component can be matched with the fixed cutter component to finish cutting, the continuity and the connectivity are good, and the film is ensured to be fully crushed.

Drawings

Fig. 1 is an assembly view of a thin film pulverizing cutter according to the present invention.

Fig. 2 is a schematic structural view of the film crushing cutter provided by the invention under the axial projection of the rotating shaft.

FIG. 3 is a schematic structural view of a rotating shaft and a movable tool holder of the film breaking tool provided by the present invention.

Fig. 4 is a schematic structural view of the stationary knife.

Fig. 5 is a schematic structural view of the moving blade.

Fig. 6 is an assembly view of the storage wheel.

Fig. 7 is a structural schematic diagram of the stent.

Description of the main element symbols: 1-rotating shaft, 11-partition plate, 2-moving knife component, 21-moving knife seat, 23-pressing moving knife plate, 230-first through hole, 211-wing plate, 212-supporting block, 213-adjusting block, 214-adjusting threaded hole, 220-moving knife elongated hole, 3-fixed knife component, 31-supporting plate component, 32-backing plate, 34-pressing fixed knife plate, 340-second through hole, 330-fixed knife elongated hole and 4-storage wheel.

Detailed Description

The present invention provides a thin film crushing cutter and a crusher including the same, and in order to make the objects, technical schemes and effects of the present invention clearer and clearer, the present invention will be further described in detail below with reference to the accompanying drawings and examples. It should be understood that the specific embodiments described herein are merely illustrative of the invention and do not limit the scope of the invention.

Referring to fig. 1 and 2, the present invention provides a film crushing cutter, which is a part of a film crusher and is installed on a support 8, and the film crushing cutter comprises a rotating shaft 1, a plurality of sets of moving cutter assemblies 2 arranged on the rotating shaft 1 and arranged along the axial direction of the rotating shaft 1, and a plurality of sets of fixed cutter assemblies 3 arranged circumferentially around the rotating shaft 1; the movable cutter component 2 can be matched with the fixed cutter component 3 to realize cutting; under the axial projection of the rotating shaft 1, all the moving blade assemblies 2 are not overlapped with each other and a preset differential angle (the angle indicated by a in fig. 2) is formed between adjacent moving blade assemblies 2. Because all move the structure of sword subassembly 2 the same, through with all move sword subassembly 2 and set up to each other non-coincidence under the axial projection of pivot 1, can ensure that all move sword subassembly 2 can not realize the cutting with the cooperation of same stationary knife subassembly 3 simultaneously, and a stationary knife subassembly 3 only realizes film cutting with the cooperation of a moving sword subassembly 2 at every turn and smashes promptly to the noise is smashed to the film that significantly reduces, prevents effectively that a plurality of move sword subassembly 2 simultaneous workings from taking place great noise volume. Because a preset differential angle is formed between the adjacent moving knife components 2, the differential angle can be understood as the circumferential offset of the adjacent moving knife components 2, and the differential angle is 6-10 degrees; after one movable cutter component 2 finishes cutting action, the adjacent movable cutter component 2 can be matched with the fixed cutter component 3 to finish cutting, the continuity and the connectivity are good, and the film is ensured to be fully crushed.

In practical application, a feed inlet 61 is arranged above the film crushing cutter, a screen 62 is arranged below the film crushing cutter, the film is thrown into the support 8 through the feed inlet, the driving mechanism drives the rotating shaft 1 to rotate, the cutter drives the film to be cut between the movable cutter assembly 2 and the fixed cutter assembly 3 in the high-speed rotating process, and the film is crushed into particles and sheets and then passes through the screen 62 to fall back into the collecting cavity.

Specifically, referring to fig. 3 to 5, each set of the moving blade assemblies 2 includes a moving blade seat 21, a plurality of moving blades 22 disposed on the moving blade seat 21, and a pressing blade 23 for pressing the moving blades 22 against the moving blade seat 21. The gaps between the adjacent moving knife assemblies 2 are small, so that the films are continuously crushed, and the crushing effect is improved.

In order to reduce the total weight of the movable knife holder 21 and facilitate manufacturing, each movable knife holder 21 adopts two wing plates 211 symmetrically arranged, each wing plate 211 is provided with a supporting wing structure with the same number as that of the movable knife, each supporting wing structure comprises supporting blocks 212 extending outwards and adjusting blocks 213 arranged beside the supporting blocks 212, each movable knife 22 is mounted on the supporting blocks 212 on the two wing plates 211 through a pressing knife plate 23 and screws, it can be understood that the movable knife 22 is provided with movable knife elongated holes 220 corresponding to the two supporting blocks 212, the movable knife elongated holes 220 extend along the length direction of the movable knife 22, the pressing knife plate 23 is provided with first through holes 230 with the same number as that of the movable knife elongated holes 220, each supporting block 212 is provided with first threaded holes 2120 with the same number as that of the movable knife elongated holes 220 and one-to-one correspondence, each first through hole 230 is provided with a first locking screw (not shown in the figure), the first locking screw passes through the movable blade elongated hole 220 and is connected with the first threaded hole 2120. The adjusting block 213 is provided with an adjusting threaded hole 214 facing the back of the movable blade, and an adjusting screw (not shown) is installed in the adjusting threaded hole 214, and a threaded end of the adjusting screw is pressed against the movable blade 22. The moving blade elongated hole 220 refers to a non-circular hole, and specifically may be a rectangular hole, a waist-shaped hole, a rounded rectangular hole, or the like. When the fit clearance between the movable knife and the fixed knife component 3 needs to be adjusted, the first locking screw is loosened, the corresponding adjusting screw is screwed, the movable knife is gradually close to the fixed knife, the relative position of the movable knife and the positioning component can be changed, then the first locking screw is locked again, and the adjustment is convenient.

Specifically, the fixed knife assembly 3 includes a backing plate 32, a fixed knife 33 disposed on the backing plate 32, and a pressing knife plate 34 for pressing the fixed knife 33 onto the backing plate 32, the backing plate 32 is fixedly disposed on the bracket 8, the fixed knife 33 extends along the axial direction of the rotating shaft 1, and the cutting edge of the fixed knife 33 faces the axial line of the rotating shaft 1. By this arrangement, one fixed blade 33 can perform cutting in cooperation with a plurality of movable blades 22.

In order to adjust the position of the fixed knife conveniently, a plurality of fixed knife elongated holes 330 extending along the width direction of the fixed knife 33 are formed in the fixed knife 33, second threaded holes (not visible in the figure) which are the same in number as the fixed knife elongated holes 330 and correspond to the fixed knife elongated holes one by one are formed in the backing plate 32, second through holes 340 which are the same in number as the fixed knife elongated holes 330 and correspond to the fixed knife elongated holes one by one are formed in the press-fixed knife plate 34, a second locking screw (not shown in the figure) is installed at each second through hole 340 of the press-fixed knife plate 34, and the second locking screw penetrates through the fixed knife elongated holes 330 and is installed in the second threaded holes. The fixed-blade elongated hole 330 refers to a non-circular hole, and specifically may be a rectangular hole, a waist-shaped hole, a rounded rectangular hole, or the like. When the position of the fixed cutter needs to be adjusted and the two ends of the fixed cutter are aligned, the position of the fixed cutter 33 can be changed by loosening the corresponding second locking screw, and then the second locking screw is locked again, so that the adjustment is convenient.

It should be noted that, as shown in fig. 7, the support 8 includes two side plates 81 that are symmetrically arranged and an arc plate 82 that is arranged between the two side plates 81, the backing plate 32 is fixedly arranged between the two side plates 81 and is spliced with the arc plate 82, the arc plate 82 can cooperate with the circular rotation track of the movable knife assembly 2 to guide the film to enter on one hand, and on the other hand, prevents the material crushed by cutting from overflowing.

In order to distribute the moving blades 22 on the moving blade assembly 2 reasonably and reduce the cutting vibration, in the embodiment, the supporting wing structures are arranged in 4 circumferential arrays around the rotating shaft 1. The adjacent moving blades 22 on one moving blade assembly 2 are mutually vertical and do not interfere with each other. Correspondingly, the fixed cutter assembly 3 is provided with 3 groups, each fixed cutter 33 faces the rotating shaft 1 and is obliquely arranged relative to the horizontal plane, so that the movable cutter 22 is also in an oblique state when being matched with the fixed cutters 33, and by means of the arrangement, when the cutter cuts a thin film, the cutting effect can be increased, and the thin film cutting effect is improved.

Preferably, both ends of the rotating shaft 1 are provided with a partition plate 11, and the movable blade assembly 2 is arranged between the two partition plates 11. Every be equipped with the bearing frame on the curb plate 81, the both ends of pivot are connected with the bearing frame that corresponds through the bearing respectively and rotate, can the outside transmission of some noise follow tip of pivot 1 and the junction of bearing through setting up two baffles 11, further reduce the noise that causes when cutting is smashed.

Preferably, referring to fig. 6, one end of the rotating shaft 1 is sleeved with a storage wheel 4. The storage wheel 4 can reduce the load of the driving mechanism by using inertia in the working process, and plays a role of counterweight to increase the cutting force of the cutter.

The invention also provides a grinder which comprises a bottom frame, a bracket 8 arranged on the bottom frame, a film grinding cutter combined with any of the above embodiments, and a driving mechanism for driving the film grinding cutter to move, wherein the film grinding cutter is arranged on the bracket 8. Since the above description has been made in relation to the thin film crushing cutter, it should be understood by those skilled in the art in conjunction with the accompanying drawings, and thus, the description thereof will not be expanded.

Actually, the driving mechanism includes a driving motor 70 disposed on the chassis, a driving pulley 72 sleeved on the main shaft of the driving motor 70, and a driven pulley 71 disposed at the other end of the rotating shaft 1, the driving pulley 72 and the driven pulley 71 are driven by a belt (not shown), and the driving motor drives the moving blade assembly 2 and the stationary blade assembly 3 on the rotating shaft 1 to cooperate to realize crushing and cutting under the driving of the driving pulley and the driven pulley.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; may be mechanically connected, may be electrically connected or may be in communication with each other; either directly or indirectly through intervening media, either internally or in any other suitable relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

It should be understood that equivalents and modifications of the technical solution and inventive concept thereof may occur to those skilled in the art, and all such modifications and alterations should fall within the protective scope of the present invention.