CN214239055U

CN214239055U - Rotating shaft mechanism with V-shaped multi-blade structure

Info

Publication number: CN214239055U
Application number: CN202023084998.8U
Authority: CN
Inventors: 缪申羚
Original assignee: Avin Shanghai Machinery Co ltd
Current assignee: Avin Shanghai Machinery Co ltd
Priority date: 2020-12-21
Filing date: 2020-12-21
Publication date: 2021-09-21
Anticipated expiration: 2030-12-21

Abstract

The utility model relates to a rotating shaft mechanism with a V-shaped multi-group blade structure in the technical field of waste article recovery, which comprises a main shaft which can be driven to rotate, a movable blade mounting structure fixed on the main shaft, and a plurality of movable blade groups which are arranged around the axis of the main shaft and are fixedly mounted on the movable blade mounting structure, wherein the movable blades of the movable blade groups are matched with fixed blades fixedly arranged on the inner wall of a crusher cavity to crush materials; the length direction of each movable cutter set inclines relative to the axis of the main shaft based on the visual angle opposite to the axis of the main shaft, the inclination directions of the two movable cutter sets are opposite along the length direction of the main shaft and form an acute angle, and the two adjacent movable cutter sets surrounding the main shaft are parallel to each other, so that the problems of low crushing efficiency, power consumption, high noise and easy abrasion of blades of a hollow container material in the prior art are solved.

Description

Rotating shaft mechanism with V-shaped multi-blade structure

Technical Field

The utility model relates to a waste recycling technical field is, particularly, is a pivot blade structure for smashing the rubbing crusher of waste plastics product.

Background

With the rapid development of plastic industry in China, the plastic hollow container also becomes a great direction of the rapid development of plastics in China, and the use of the plastic hollow container covers the fields of household articles, industrial chemical product packaging, food and medical packaging, automobile parts, transport trays, transportation facilities and the like. Therefore, recycling the plastic hollow container to improve the recycling level is a problem to be solved at present.

The conventional rotating shaft blade structure of a common crusher adopts a traditional parallel blade structure, a hollow container is easy to bounce in a crushing cavity, cannot crush efficiently, has high noise and power consumption, and easily causes the abrasion phenomenon of the cutting edge of the blade.

Disclosure of Invention

The utility model aims at providing a pivot mechanism with "V" type multiunit blade structure to solve the problem that prior art cavity container material smashes inefficiency, power consumptive, the noise is big on the side and the blade easily wears and torn.

The purpose of the utility model is realized like this: a kind of pivot organization with "V" type multiunit blade structure, locate in the cavity of the comminutor, including the main axis that can be driven to carry on the autorotation, and fix to the moving knife mounting structure on the main axis, and surround the axis of the main axis and fix to several moving knife groups on moving knife mounting structure, the moving knife of the moving knife group cooperates with stationary knife fixed in cavity inner wall of the comminutor in order to pulverize the supplies;

the length direction of each movable cutter set inclines relative to the axis of the main shaft based on the visual angle of the axis of the main shaft, the inclination directions of the two movable cutter sets are opposite along the length direction of the main shaft and form an acute angle, and the two adjacent movable cutter sets surrounding the main shaft are parallel to each other.

Furthermore, each movable cutter set comprises a movable cutter with a cutting edge protruding towards the side direction and a movable cutter fixing block, the movable cutter fixing block is installed on the movable cutter installation structure, and the movable cutter is detachably installed on the movable cutter fixing block.

Furthermore, the movable knife fixing block is of an L-shaped plate structure, the surface of the movable knife is attached to one inner surface of the movable knife fixing block, and the back of the movable knife is attached to the other inner surface of the movable knife fixing block.

Furthermore, the moving blade fixing blocks are provided with moving blade fixing slotted holes which are in one-to-one correspondence with the moving blade groups, the arrangement direction of each row of moving blade fixing slotted holes is parallel to the length direction of the moving blade groups corresponding to the moving blade fixing slotted holes, and the fixing bolts penetrate through the moving blade fixing slotted holes one by one.

Furthermore, a plurality of movable knife fixing block mounting surfaces which are positioned and attached to the movable knife fixing blocks of the movable knife group one by one are arranged on the movable knife mounting structure, and the movable knife fixing block mounting surfaces are L-shaped and matched and attached to two outer surfaces of the movable knife fixing blocks.

Furthermore, each movable knife group also comprises an adjusting component, and the adjusting component is connected with the movable knife so as to adjust the protruding size of the cutting edge of the movable knife to the side direction.

Furthermore, the adjusting component of each movable cutter group comprises a plurality of adjusting bolts, the movable cutter is provided with a plurality of movable cutter adjusting screw holes which are formed inwards from the cutter back of the movable cutter, the adjusting bolts are sleeved with adjusting nuts and are screwed into the movable cutter adjusting screw holes one by one, the adjusting nuts abut against the cutter back of the movable cutter, and the adjusting bolts abut against the inner face of the movable cutter fixing block.

Furthermore, each movable cutter set also comprises a movable cutter pressing plate and a plurality of fixing bolts, the length direction of the movable cutter pressing plate is parallel to the length direction of the movable cutter, the fixing bolts are arranged at intervals along the length direction of the movable cutter set, and the fixing bolts penetrate through the movable cutter fixing block, the movable cutter and the movable cutter pressing plate so as to enable the movable cutter fixing block, the movable cutter and the movable cutter pressing plate to be combined and fixed on the movable cutter mounting structure and enable the movable cutter pressing plate to press the movable cutter on the inner surface of the movable cutter fixing block.

Furthermore, a plurality of movable knife fixing waist holes are formed in the movable knife, the plurality of movable knife fixing waist holes are arranged at intervals along the length direction of the movable knife group, and the fixing bolts penetrate through the movable knife fixing waist holes one by one.

Furthermore, the movable blade mounting structure comprises a plurality of discs fixedly sleeved on the main shaft, and a plurality of convex structures inclined towards the same direction are arranged along the peripheral direction of the discs; in each disc, a mounting surface for a movable knife fixing block is formed between any two adjacent protruding structures; the mounting surfaces of the movable knife fixing blocks of all the discs are combined into a plurality of rows and correspond to the movable knife groups one by one.

The beneficial effects of the utility model reside in that:

1. the structure is simple and reasonable, the installation and use processes are fully considered, and the maintenance is convenient;

2. based on the visual angle of the axis of the main shaft, the length direction of each movable cutter set inclines relative to the axis of the main shaft, and the inclination directions of the two movable cutter sets are opposite along the length direction of the main shaft, so that a V-shaped blade structure is formed, and the V-shaped blade structure is suitable for crushing hollow container materials. During the crushing process, the hollow container material is easy to hold, crush and cut, the optimal crushing effect is achieved, and the crushing efficiency is also improved;

3. the V-shaped arrangement mode of the plurality of movable cutter groups can ensure that the movable cutters are uniformly loaded in the crushing process, thereby effectively prolonging the service life of the movable cutters and the fixed cutters;

4. the movable knife is fixed by the movable knife fixing block and the movable knife pressing plate through the fixing bolt, so that the movable knife works more stably and reliably;

5. the movable knife can be repeatedly polished after being worn, and the rotating diameter of the movable knife can be adjusted to the original rotating diameter through the adjusting bolt after being polished, so that the service life of the movable knife is prolonged, and the cost is saved;

6. the V-shaped arrangement mode of the plurality of movable cutter groups can ensure that the cutting edge surfaces of the movable cutters and the fixed cutters are uniformly worn at any time, thereby greatly prolonging the service life of the crushing cutter.

Drawings

Fig. 1 is a front view of the present invention.

Fig. 2 is a view showing a structure of mounting a disc.

Fig. 3 is a mounting structure view of the movable blade fixing block.

Fig. 4 is an installation structure view of the movable cutter group.

Fig. 5 is an axial end view of the present invention.

Fig. 6 is an enlarged view of a portion a in fig. 5.

Fig. 7 is a schematic structural diagram of the movable knife and the movable knife pressing plate.

Fig. 8 is an axial view angle installation diagram of the present invention.

In the figure: 1-a main shaft; 2-a disk; 3-mounting surface of the movable cutter fixing block; 4, scraping a blade; 5, moving blade fixing blocks; 6-moving blade fixing slotted hole; 7-moving a knife group; 8-moving the knife; 9-moving knife pressing plate; 10-moving blade fixing waist hole; 11-moving blade adjusting screw holes; 12-an adjusting nut; 13-adjusting the bolt; 14-fixed knife.

Detailed Description

The invention will be further described with reference to the accompanying figures 1-8 and the specific embodiments.

As shown in fig. 8, a rotating shaft mechanism with a V-shaped structure having multiple groups of blades is disposed in a cavity of a pulverizer, and includes a main shaft 1 driven to rotate, a movable blade mounting structure fixed on the main shaft 1, and a plurality of movable blade sets 7 arranged around an axis of the main shaft 1 and fixedly mounted on the movable blade mounting structure, wherein the movable blades 8 of the movable blade sets 7 are matched with a fixed blade 14 fixedly disposed on an inner wall of the cavity of the pulverizer to pulverize materials.

As shown in FIG. 1, the length direction of each movable cutter set 7 is inclined relative to the axis of the main shaft 1, and the inclination directions of the two movable cutter sets 7 along the length direction of the main shaft 1 are opposite and form an acute angle θ, and the two adjacent movable cutter sets 7 surrounding the main shaft 1 are parallel to each other.

As shown in fig. 3, 5 and 6, each movable knife group 7 comprises a movable knife 8 with a cutting edge protruding laterally and a movable knife fixing block 5, the movable knife fixing block 5 is mounted on the movable knife mounting structure, the movable knife 8 is detachably mounted on the movable knife fixing block 5, the movable knife fixing block 5 is arranged in an L-shaped plate structure, the plate surface of the movable knife 8 is attached to one inner surface of the movable knife fixing block 5, and the knife back of the movable knife 8 is attached to the other inner surface of the movable knife fixing block 5; the moving blade fixing blocks 5 are provided with moving blade fixing slotted holes 6 which are in one-to-one correspondence with the moving blade groups 7, the arrangement direction of each row of moving blade fixing slotted holes 6 is parallel to the length direction of the moving blade groups 7 corresponding to the moving blade fixing slotted holes, and the fixing bolts penetrate through the moving blade fixing slotted holes 6 one by one. As shown in fig. 5, the movable blade 8 is inclined to the rotation direction by a certain angle at the view of the shaft end, so as to shred the material, which is the prior art and will not be described herein.

As shown in fig. 2, in order to facilitate installation and positioning, the moving blade installation structure is provided with a plurality of moving blade fixing block installation surfaces 3 which are positioned and attached to the moving blade fixing blocks 5 of the moving blade group 7 one by one, and the moving blade fixing block installation surfaces 3 are arranged in an L shape and matched with and attached to two outer surfaces of the moving blade fixing blocks 5; the moving blade mounting structure comprises a plurality of discs 2 fixedly sleeved on the main shaft 1 in a welding mode, and a plurality of convex structures inclined towards the same direction are arranged along the peripheral direction of the discs 2; in each disc 2, a movable knife fixing block mounting surface 3 is formed between any two adjacent protruding structures; the movable knife fixing block mounting surfaces 3 of all the disc sheets 2 are combined into a plurality of rows and are in one-to-one correspondence with the movable knife groups 7. Due to the arrangement of the disk 2, the manufacturing difficulty is obviously reduced, and the manufacturing and mounting precision is improved; due to the arrangement of the movable knife fixing block mounting surface 3, the inclination angle of the movable knife 8 can be conveniently and accurately fixed subsequently.

As shown in fig. 5-7, each movable blade set 7 further includes an adjusting assembly, the adjusting assembly is connected with the movable blade 8 to adjust the protruding dimension of the cutting edge of the movable blade 8 in the lateral direction, the adjusting assembly of each movable blade set 7 includes a plurality of adjusting bolts 13, the movable blade 8 is provided with a plurality of movable blade adjusting screw holes 11 formed inwards from the blade back, adjusting nuts 12 are sleeved on the adjusting bolts 13, the adjusting bolts 13 are screwed into the movable blade adjusting screw holes 11 one by one, the adjusting nuts 12 abut against the blade back of the movable blade 8, and the adjusting bolts 13 abut against the inner surface of the movable blade fixing block 5. The ground moving blade 8 can be adjusted to the original rotating diameter of the moving blade through the adjusting assembly so as to ensure that the original optimal cutting angle of the moving blade 8 is achieved.

As shown in fig. 4 and 5, each movable blade set 7 further includes a movable blade pressing plate 9 and a plurality of fixing bolts, the length direction of the movable blade pressing plate 9 is parallel to the length direction of the movable blade 8, the plurality of fixing bolts are arranged at intervals along the length direction of the movable blade set 7, and the fixing bolts penetrate through the movable blade fixing block 5, the movable blade 8 and the movable blade pressing plate 9 so as to combine and fix the three on the movable blade mounting structure, and enable the movable blade pressing plate 9 to press the movable blade 8 on the inner surface of the movable blade fixing block 5, so that the mounting structure of the movable blade 8 is very stable, and the reliability of use is guaranteed.

As shown in fig. 7, the moving blade 8 is provided with a plurality of moving blade fixing waist holes 10, the moving blade fixing waist holes 10 are arranged at intervals along the length direction of the moving blade group 7, the fixing bolts penetrate through the moving blade fixing waist holes 10 one by one, and when the position of the moving blade 8 needs to be finely adjusted, the moving blade fixing waist holes 10 play a role in guiding the adjusting direction, so that the position accuracy of the adjusted moving blade 8 is ensured.

The principle of the embodiment is as follows:

after the main shaft 1 is driven to rotate, the movable cutter set 7 is in a rotary motion state and is matched with a fixed cutter 14 fixedly arranged in the inner cavity of the crusher to crush materials. The length direction of each movable cutter set inclines relative to the axis of the main shaft, and the inclination directions of the two movable cutter sets are opposite along the length direction of the main shaft, so that a V-shaped blade structure is formed, and the hollow container crushing machine is suitable for crushing hollow container materials. In the crushing process, the hollow container material is easy to hold, crush and cut, the optimal crushing effect is achieved, the crushing efficiency is improved, and the service life of the blade is prolonged; in addition, the movable knife 8 is fixed on the movable knife fixing block 5 through a movable knife pressing plate 9 through a fixing bolt, so that the movable knife 8 is more stable and reliable in the working process. The movable knife 8 can be repeatedly polished after being worn, and the rotating diameter of the movable knife can be adjusted to the original rotating diameter through the adjusting bolt 13 after being polished, so that the service life of the movable knife 8 is prolonged, and the cost is saved.

The scraping blades 4 can scrape off materials in the areas of the wall of the cavity of the pulverizer corresponding to two ends of the main shaft 1 in the pulverizing process, so that the pulverizing efficiency is prevented from being influenced by blockage.

In order to ensure the installation accuracy of the movable cutter group 7, the following steps are adopted in the processing process of the embodiment:

1) firstly, placing a combined welding part (a main shaft 1+ a disc 2) on a numerical control gantry milling machine, fixing the combined welding part by using a tool clamp, and processing a moving knife fixing block mounting surface 3 of the disc 2 according to the drawing size;

2) firmly welding a welding piece (a main shaft 1, a disc 2 and a movable knife fixing block 5) on an automatic welding machine;

3) stress relief annealing;

4) processing the outer diameters of the two shaft ends of the main shaft 1 on a numerical control lathe;

5) and (3) placing a welding piece (the main shaft 1+ the disc 2+ the movable cutter fixing block 5) on a numerical control gantry mill, fixing the welding piece by using a tool clamp, and processing the positioning surface and the bolt hole of the movable cutter fixing block 5 according to the drawing size.

The above are preferred embodiments of the present invention, and those skilled in the art can make various changes or improvements on the above embodiments without departing from the general concept of the present invention, and such changes or improvements should fall within the protection scope of the present invention.

Claims

1. The utility model provides a pivot mechanism with "V" type multiunit blade structure arranges the rubbing crusher cavity in, including main shaft (1) that can be driven and carry out the rotation to and fix the sword mounting structure that moves on main shaft (1), and encircle the axis of main shaft (1) and arrange and fixed mounting move a plurality of knife tackle (7) that move on the sword mounting structure, its characterized in that:

the visual angle of the axis of the main shaft (1) is just aligned, the length direction of each movable cutter set (7) inclines relative to the axis of the main shaft (1), the inclination directions of the two movable cutter sets (7) along the length direction of the main shaft (1) are opposite and form an acute angle, and the two adjacent movable cutter sets (7) surrounding the main shaft (1) are parallel to each other.

2. A spindle mechanism having a "V" shaped multiple blade configuration as claimed in claim 1, wherein: each movable cutter set (7) comprises a movable cutter (8) with a cutting edge protruding towards the side direction and a movable cutter fixing block (5), the movable cutter fixing block (5) is installed on the movable cutter installation structure, and the movable cutter (8) is detachably installed on the movable cutter fixing block (5).

3. A spindle mechanism having a "V" shaped multiple blade configuration as claimed in claim 2, wherein: the movable knife fixing block (5) is of an L-shaped plate structure, the surface of the movable knife (8) is attached to one inner surface of the movable knife fixing block (5), and the knife back of the movable knife (8) is attached to the other inner surface of the movable knife fixing block (5).

4. A spindle mechanism having a V-shaped multi-group blade structure according to claim 3, wherein: the moving knife fixing blocks (5) are provided with moving knife fixing slotted holes (6) which correspond to the moving knife groups (7) one by one, and the arrangement direction of each row of moving knife fixing slotted holes (6) is parallel to the length direction of the moving knife groups (7) corresponding to the moving knife groups.

5. A spindle mechanism having a V-shaped multi-group blade structure according to claim 3, wherein: the movable knife mounting structure is provided with a plurality of movable knife fixing block mounting surfaces (4) which are positioned one by one and attached to the movable knife fixing blocks (5) of the movable knife group (7), and the movable knife fixing block mounting surfaces (4) are L-shaped and matched and attached to two outer surfaces of the movable knife fixing blocks (5).

6. A spindle mechanism having a V-shaped multi-group blade structure according to claim 3, wherein: each movable knife group (7) also comprises an adjusting component, and the adjusting component is connected with the movable knife (8) to adjust the protruding size of the cutting edge of the movable knife (8) towards the side direction.

7. The spindle mechanism with the V-shaped multi-group blade structure as claimed in claim 6, wherein: every moves the adjusting part of knife tackle (7) and includes a plurality of adjusting bolt (13), move sword (8) and be equipped with the inside sword of moving of seting up of a plurality of follow its back of a knife blade and adjust screw (11), the cover is equipped with adjusting nut (12) on adjusting bolt (13), adjusting bolt (13) twist one by one moves in sword regulation screw (11), adjusting nut (12) support and lean on the back of a knife blade that moves sword (8), adjusting bolt (13) support and lean on the inner face that moves sword fixed block (5).

8. The spindle mechanism with the V-shaped multi-group blade structure as claimed in claim 6, wherein: every moves knife tackle (7) and still includes moves knife pressing board (9) and a plurality of fixing bolt, the length direction that moves knife pressing board (9) parallels with the length direction who moves knife (8), and above-mentioned a plurality of fixing bolt are arranged along the length direction interval of moving knife tackle (7), fixing bolt passes move knife fixed slotted hole (6) one by one, cross-under moves knife fixed block (5), moves knife (8), moves knife pressing board (9) so that the three combination is fixed on moving knife mounting structure to it will move knife (8) and press on the inner face of moving knife fixed block (5) to make knife pressing board (9).

9. A spindle mechanism having a "V" shaped multiple blade configuration as claimed in claim 8, wherein: the movable knife (8) is provided with a plurality of movable knife fixing waist holes (10), the movable knife fixing waist holes (10) are arranged at intervals along the length direction of the movable knife group (7), and the fixing bolts penetrate through the movable knife fixing waist holes (10) one by one.

10. A spindle mechanism with V-shaped multi-group blade structure according to claim 5, wherein: the movable cutter mounting structure comprises a plurality of discs (2) fixedly sleeved on the main shaft (1), and a plurality of convex structures inclined towards the same direction are arranged along the peripheral direction of the discs (2); in each disc (2), a movable knife fixing block mounting surface (4) is formed between any two adjacent protruding structures; the movable knife fixing block mounting surfaces (4) of all the discs (2) are combined into a plurality of rows and correspond to the movable knife groups (7) one by one.