CN215464962U - Rotating shaft mechanism with staggered and crossed multi-blade structure - Google Patents
Rotating shaft mechanism with staggered and crossed multi-blade structure Download PDFInfo
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- CN215464962U CN215464962U CN202023102519.0U CN202023102519U CN215464962U CN 215464962 U CN215464962 U CN 215464962U CN 202023102519 U CN202023102519 U CN 202023102519U CN 215464962 U CN215464962 U CN 215464962U
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- sword
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/62—Plastics recycling; Rubber recycling
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Abstract
The utility model relates to a rotating shaft mechanism with a staggered cross type multi-blade structure in the technical field of waste recovery, which comprises a main shaft capable of being 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 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 group inclines relative to the axis of the main shaft based on the visual angle opposite to the axis of the main shaft, two opposite end parts of two adjacent movable cutter groups in the length direction of the main shaft are arranged in a staggered mode, the inclination directions of any two adjacent movable cutter groups in the circumferential direction of the main shaft are opposite, and an included angle of 1-10 degrees is formed, so that the problems that crushing is insufficient, power consumption is low, the capacity is low, noise is large, and blades are prone to abrasion in the prior art are solved.
Description
Technical Field
The utility model relates to the technical field of waste recovery, in particular to a rotating shaft blade structure of a crusher for crushing solid and waste plastic products.
Background
The crusher is mainly used for directly crushing and recycling leftover materials and defective products in the production process of solid and plastic products and crushing and granulating part of recyclable and regenerated solid and waste plastic products. Waste materials are put into the crusher cavity from the crusher material port, and crushing is achieved through the cutting effect of the rotary moving knife on the specially designed rotating shaft and the fixed knife forming an optimal cutting angle in the crusher cavity. The material is cut in a machine through the moving knife and the fixed knife which rotate at high speed on a special rotating shaft, and is continuously crushed from big to small until the size required by crushing is discharged through the screen at the bottom of the cavity. Wherein the blade design of the rotating shaft of the crushing device is the core part of the whole machine.
In the existing crushing device of the crusher, the blade structure of the rotating shaft adopts the traditional parallel blade structure. The parallel blade structure is suitable for crushing large-volume thin-wall and thin-material products, and the aim of crushing cannot be optimally fulfilled in the process of crushing plastic particles; meanwhile, the design of the parallel blade consumes electricity, the working noise is high, the working efficiency is low, and the abrasion phenomenon of the cutting edge of the blade is easy to occur.
Disclosure of Invention
The utility model aims to provide a rotating shaft mechanism with a staggered and crossed multi-blade structure, which solves the problems of insufficient crushing, power consumption, low productivity, high noise and easy abrasion of blades in the prior art.
The purpose of the utility model is realized as follows: a rotating shaft mechanism with a staggered and crossed type multi-blade structure is arranged in a cavity of a pulverizer and comprises a main shaft, a movable blade mounting structure and a plurality of movable blade sets, wherein the main shaft can be driven to rotate, the movable blade mounting structure is fixed on the main shaft, the movable blade sets are arranged around the axis of the main shaft and fixedly mounted on the movable blade mounting structure, and movable blades of the movable blade sets are matched with fixed blades fixedly arranged on the inner wall of the cavity of the pulverizer to pulverize materials;
the length direction of each movable cutter group inclines relative to the axis of the main shaft based on the visual angle opposite to the axis of the main shaft, two opposite end parts of two adjacent movable cutter groups in the length direction of the main shaft are arranged in a staggered mode, and the inclination directions of any two adjacent movable cutter groups in the circumferential direction of the main shaft are opposite and form an included angle of 1-10 degrees.
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, 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, the movable knife is provided with a plurality of movable knife fixing long holes which are in a U-shaped opening structure and open towards the knife back direction, the plurality of movable knife fixing long holes are arranged at intervals along the length direction of the movable knife group, and the fixing bolts penetrate through the movable knife fixing long holes one by one.
Furthermore, a plurality of rows of moving blade fixing slotted holes which correspond to the moving blade groups one by one are arranged on the moving blade mounting structure, the arrangement direction of each row of moving blade fixing slotted holes is parallel to the length direction of the moving blade group corresponding to the moving blade fixing slotted holes, and the fixing bolts penetrate through the moving blade fixing slotted 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 utility model has the beneficial effects that:
1. the structure is simple and reasonable, the installation and use processes are fully considered, and the maintenance is convenient;
2. the opposite two end parts of the adjacent two movable cutter sets in the length direction of the main shaft are arranged in a staggered manner by taking the visual angle opposite to the axis of the main shaft as the reference, and any two adjacent movable cutter sets in the circumferential direction of the main shaft are inclined relative to the axis of the main shaft and have opposite inclined directions to form a staggered cross type blade structure;
3. the staggered and crossed arrangement mode of the plurality of movable cutter groups can ensure that the movable cutters achieve the effect of uniform load in the crushing process, and effectively prolongs 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 arrangement mode of the staggered and crossed type 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 installation schematic of the present invention.
In the figure: 1-a main shaft; 2-a disk; 3, scraping a blade; 4-mounting surface of the movable cutter fixing block; 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 slot; 11-moving blade adjusting screw holes; 12-an adjusting nut; 13-adjusting the bolt; 14-fixed knife.
Detailed Description
The utility model will be further described with reference to the accompanying figures 1-8 and specific examples.
As shown in fig. 8, a rotating shaft mechanism with a "staggered and crossed" type multi-blade structure is arranged in a cavity of a pulverizer, and includes a main shaft 1 capable of being driven to rotate, a movable blade mounting structure fixed on the main shaft 1, and a plurality of movable blade sets 7 arranged around the 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 fixed blades 14 fixedly arranged on the inner wall of the cavity of the pulverizer to pulverize materials.
As shown in fig. 1, the length direction of each movable knife group 7 is inclined relative to the axis of the main shaft 1 with respect to the viewing angle facing the axis of the main shaft 1, two opposite end portions of two adjacent movable knife groups 7 in the length direction of the main shaft 1 are arranged in a staggered manner, the inclination directions of any two adjacent movable knife groups 7 in the circumferential direction of the main shaft 1 are opposite and form an included angle θ of 1-10 °, and the specific angle can be determined according to the project requirements.
As shown in fig. 3, 5 and 6, each movable knife group 7 includes a movable knife 8 whose cutting edge protrudes 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 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. 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 4 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 4 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 4 is formed between any two adjacent protruding structures; the movable knife fixing block mounting surfaces 4 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 4, 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.
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 movable blade 8 is provided with a plurality of movable blade fixing long holes 10 having a U-shaped opening structure and opening toward the blade back direction, the plurality of movable blade fixing long holes 10 are arranged at intervals along the length direction of the movable blade group 7, fixing bolts penetrate through the movable blade fixing long holes 10 one by one, and when the position of the movable blade 8 needs to be finely adjusted, the movable blade fixing long holes 10 play a role in guiding and adjusting the direction, so as to ensure the position accuracy of the adjusted movable blade 8.
As shown in fig. 3, the movable blade mounting structure is provided with a plurality of rows of movable blade fixing slots 6 corresponding to the movable blade sets 7 one by one, the arrangement direction of each row of movable blade fixing slots 6 is parallel to the length direction of the corresponding movable blade set 7, and the fixing bolts penetrate through the movable blade fixing slots 6 one by one. In this embodiment, the movable blade fixing slot 6 is opened on the opposite side of the protruding structure of the axis of the disk 2 from the rotation direction, so as to facilitate the penetration of the fixing bolt.
The principle of the embodiment is as follows:
after the main shaft 1 is driven to rotate, the movable cutter group 7 is in a rotary motion state and is matched with the fixed cutter 14 fixedly arranged in the inner cavity of the crusher to crush materials, the staggered and crossed blade structure can lead the materials to be crushed rapidly in all directions, and meanwhile, the service life of the blades is prolonged due to balanced stress of the movable cutter 8; 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 blade 3 can scrape materials in the areas, corresponding to the two ends of the main shaft 1, of the wall of the cavity of the pulverizer 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 4 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.
While the preferred embodiments of the present invention have been described, those skilled in the art will appreciate that various changes and modifications can be made therein without departing from the spirit and scope of the utility model as defined by the appended claims.
Claims (10)
1. The utility model provides a pivot mechanism with "dislocation is alternately" 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) arrange and fixed mounting move a plurality of sword groups (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) is inclined relative to the axis of the main shaft (1), two opposite end parts of two adjacent movable cutter sets (7) in the length direction of the main shaft (1) are arranged in a staggered mode, the inclined directions of any two adjacent movable cutter sets (7) in the circumferential direction of the main shaft (1) are opposite, and an included angle of 1-10 degrees is formed.
2. The spindle mechanism with the "staggered cross" type multiple blade structure according to 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 with "cross-over" type multiple blade structure according to 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 with "cross-over" type multiple 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).
5. A spindle mechanism with "cross-over" type multiple 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.
6. The spindle mechanism with the "staggered cross" type multiple blade structure according to claim 5, 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).
7. The spindle mechanism with the "staggered cross" type multiple blade structure according to claim 5, wherein: every moves knife tackle (7) and still includes moves sword pressing board (9) and a plurality of fixing bolt, the length direction that moves sword pressing board (9) parallels with the length direction who moves sword (8), and above-mentioned a plurality of fixing bolt are arranged along the length direction interval of moving knife tackle (7), fixing bolt cross-under moves sword fixed block (5), moves sword (8), moves sword pressing board (9) so that the three combination is fixed on moving sword mounting structure to it will move sword (8) and press on the inner face that moves sword fixed block (5) to move sword pressing board (9).
8. A spindle mechanism having a "cross-over" type multiple blade configuration as claimed in claim 7, wherein: the movable knife (8) is provided with a plurality of movable knife fixing long holes (10) which are of U-shaped opening structures and open towards the knife back direction, the plurality of movable knife fixing long 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 long holes (10) one by one.
9. A spindle mechanism having a "cross-over" type multiple blade configuration as claimed in claim 7, wherein: the movable knife mounting structure is provided with a plurality of rows of movable knife fixing slotted holes (6) which correspond to the movable knife groups (7) one by one, the arrangement direction of each row of movable knife fixing slotted holes (6) is parallel to the length direction of the movable knife groups (7) corresponding to the movable knife fixing slotted holes, and the fixing bolts penetrate through the movable knife fixing slotted holes (6) one by one.
10. The spindle mechanism with the "staggered cross" type multiple blade structure according to claim 4, 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.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023102519.0U CN215464962U (en) | 2020-12-22 | 2020-12-22 | Rotating shaft mechanism with staggered and crossed multi-blade structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023102519.0U CN215464962U (en) | 2020-12-22 | 2020-12-22 | Rotating shaft mechanism with staggered and crossed multi-blade structure |
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| Publication Number | Publication Date |
|---|---|
| CN215464962U true CN215464962U (en) | 2022-01-11 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202023102519.0U Active CN215464962U (en) | 2020-12-22 | 2020-12-22 | Rotating shaft mechanism with staggered and crossed multi-blade structure |
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| CN (1) | CN215464962U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20220158651A (en) * | 2022-11-13 | 2022-12-01 | 조준진 | Paint desquamation device for waste plastic using steam generator |
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2020
- 2020-12-22 CN CN202023102519.0U patent/CN215464962U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20220158651A (en) * | 2022-11-13 | 2022-12-01 | 조준진 | Paint desquamation device for waste plastic using steam generator |
| KR102608728B1 (en) * | 2022-11-13 | 2023-11-30 | 박상욱 | Paint desquamation device for waste plastic using steam generator |
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