CN114273039B

CN114273039B - Self-locking type grinding mechanism of colloid mill

Info

Publication number: CN114273039B
Application number: CN202111610363.3A
Authority: CN
Inventors: 张小乾; 陈显忠; 张日朋; 刘婷婷; 章雪柯
Original assignee: Zhejiang Weikente Intelligent Machinery Co ltd
Current assignee: Zhejiang Weikente Intelligent Machinery Co ltd
Priority date: 2021-12-27
Filing date: 2021-12-27
Publication date: 2023-01-17
Anticipated expiration: 2041-12-27
Also published as: CN114273039A

Abstract

The invention provides a self-locking grinding mechanism of a colloid mill. It has solved the comparatively inconvenient problem of colloid mill change cutter in grinding process. When the cutting block is installed, the guide rod at the lower end of the cutting block is inserted into the guide groove on the chassis and inserted into the installation groove along the guide groove, the guide rod moves towards one end of the central column to the installation groove direction and pushes the steel balls to move towards the central column direction, the steel balls gradually move towards the outer side of the installation groove in the process of moving towards the central column direction through the installation groove with the diameter gradually increasing towards the central column direction, gaps of the centers of the steel balls are gradually increased until the guide rod is inserted into the steel balls, and the steel balls are always clamped between the gaps of the guide rod and the installation groove to complete the fixation of the guide rod and the cutting block.

Description

Self-locking type grinding mechanism of colloid mill

Technical Field

A self-locking grinding mechanism of a colloid mill.

Background

The colloid mill is an ultramicro crushing device, has a series of functions of crushing, emulsifying, stirring and the like, and can perfectly replace a traditional stone mill, a traditional sand mill S machine and the like. The colloid mill has strong adaptability to materials, and substances with high viscosity and large particles can also be crushed, so that the colloid mill can be used for high-viscosity substances in many occasions, and is often refined when more solid substances exist.

The colloid mill integrates various performances of machines such as a homogenizer, a ball mill, a three-roller machine, a stirrer and the like, has efficiency which is several times that of the machines, can be widely applied to industries such as food, medicine, chemical industry, light industrial plastics and the like, and has excellent effects of superfine grinding and the like. The working principle of the colloid mill is as follows: through the relative motion of the movable grinding disc and the static grinding disc in different geometric shapes under high-speed rotation, the self weight of the processed material, the action of powerful shearing force, friction force, impact force, high-frequency vibration, socket rotation and other composite forces applied to the gap of the processed material under the actions of air pressure and centrifugal force, the material is effectively dispersed, crushed, emulsified, homogenized and uniformly mixed, and a refined product is obtained.

However, in the actual use process of the existing colloid mill, especially in the trial production process of various products of different types, different cutters need to be replaced according to different product particle sizes and the grinding degree, the replacement process is time-consuming and labor-consuming, the actual use is inconvenient, and the prior art has the improved part.

Disclosure of Invention

The self-locking grinding mechanism of the colloid mill can quickly replace the cutter, and aims to overcome the defect that the cutter is inconvenient to replace in the grinding process of the existing colloid mill.

The invention aims to be realized by the following technical scheme: a self-locking grinding mechanism of a colloid mill is characterized by comprising a rotating shaft and a chassis fixedly arranged at the upper end of the rotating shaft, wherein a central column extending upwards is fixedly arranged at the center of the chassis, a plurality of fixing blocks are fixedly arranged on the chassis and uniformly distributed on the chassis around the central column, a cutting block capable of moving towards the direction of the central column is movably arranged between every two adjacent fixing blocks, a connecting block is fixedly arranged at the lower end of the cutting block and is positioned on one side, far away from the central column, of the lower end face of the cutting block, a guide rod extending towards the direction of the central column is fixedly arranged on the connecting block, a plurality of clamping grooves used for clamping the connecting block are fixedly arranged on the chassis, guide grooves extending towards the direction of the central column and used for clamping the guide rod are formed in the end face of the clamping grooves facing the central column, the guide rod is inserted in the guide groove, the bottom of the guide groove is fixedly provided with a mounting groove distributed along the length direction of the guide groove, one end of the guide rod, far away from the connecting block, penetrates through the guide groove and is positioned in the mounting groove, the mounting groove is in a circular truncated cone shape, the diameter of the mounting groove is gradually reduced from the central column to the direction of the guide groove, the diameter of one end of the mounting groove, facing the guide groove, is larger than that of the guide groove, a plurality of steel balls for locking the guide rod are movably arranged in the mounting groove, the plurality of steel balls are positioned at one end of the mounting groove, facing the guide groove, a first spring for driving the steel balls to move towards the direction of the guide groove is movably arranged in the mounting groove, the inner diameter of the first spring is larger than that of the guide rod, and the central column is provided with an unlocking device for driving the steel balls to move towards the direction of the guide groove, the unlocking device comprises a mounting hole formed in the center column, the end face where the lower end of the mounting hole is located below the end face where the mounting groove is located, a movable groove is formed in the lower end of the mounting hole, the diameter of the movable groove is larger than that of the mounting hole, an unlocking rod capable of moving along the length direction of the mounting hole is movably arranged in the mounting hole, a magnet used for adsorbing the steel ball to move towards the direction of the center column is fixedly arranged at the lower end of the unlocking rod, the magnet is located in the movable groove, the height of the movable groove is larger than the sum of the height of the magnet and the height of the mounting groove, a second spring used for driving the magnet to move upwards is arranged in the movable groove, and the second spring is located at the bottom of the magnet in the movable groove.

Preferably, one end of the mounting groove facing the central column is provided with a groove for clamping the first spring, one end of the first spring facing the central column is clamped in the groove, and the diameter of a circle formed by surrounding the grooves is larger than that of the movable groove.

Preferably, a baffle is movably arranged in the mounting groove, the baffle is positioned between the first spring and the steel balls in the mounting groove, the steel balls are abutted against the end face, facing the guide groove, of the baffle, and a slot which penetrates through the baffle and has the same diameter as the guide groove is formed in the center of the baffle.

Preferably, the fixed block, the cutting block, the connecting block, the guide rod, the guide groove, the mounting groove, the baffle and the first spring are respectively provided with four parts, and the fixed block, the cutting block, the connecting block, the guide rod, the guide groove, the mounting groove, the baffle and the first spring are respectively in one-to-one correspondence.

Preferably, three steel balls are arranged in the mounting groove.

Preferably, an arc-shaped surface used for being attached to the side wall of the central column is formed in the end face, facing the central column, of the cutting block.

Compared with the prior art, when the cutting block is installed, the guide rod at the lower end of the cutting block is inserted into the guide groove on the chassis and inserted into the installation groove along the guide groove, the guide rod moves towards one end of the central column to the direction of the installation groove and pushes the steel balls to move towards the direction of the central column, the steel balls gradually move towards the outer side of the installation groove in the process of moving towards the direction of the central column through the installation groove with the diameter gradually increasing towards the direction of the central column, the gap between the centers of the steel balls is gradually increased until the guide rod is inserted between the steel balls, the steel balls stop moving in the horizontal direction, the guide rod continues to move until the cutting block is installed to a fixed position, the steel balls have a force moving towards the direction of the guide groove under the driving of the first spring after the cutting block is loosened, the steel balls are always clamped between the gap between the guide rod and the installation groove, the fixation between the guide rod and the cutting block is completed, the unlocking of the guide rod can be completed by driving the steel balls to move towards the direction of the central column through the unlocking device, the replacement of the cutting block can be conveniently completed, and the replacement is more convenient during the use.

Drawings

FIG. 1 is an overall structural view of the present invention;

FIG. 2 is an overall structural view of a cutting block and a fixing block;

FIG. 3 is a cut-away view of the present invention;

fig. 4 is an enlarged view of a point a in fig. 3.

The mark in the figure is: 1. a rotating shaft; 2. a chassis; 3. a central column; 4. a fixed block; 5. a cutting block; 6. connecting blocks; 7. a guide bar; 8. a card slot; 9. a guide groove; 10. mounting grooves; 11. steel balls; 12. a first spring; 13. an unlocking device; 14. mounting holes; 15. a movable groove; 16. an unlocking lever; 17. a magnet; 18. a second spring; 19. a groove; 20. a baffle plate; 21. a slot; 22. an arc-shaped surface.

Detailed Description

The invention will be further described with reference to examples of embodiments shown in the drawings to which: as shown in fig. 1-4, a self-locking grinding mechanism of a colloid mill comprises a rotating shaft 1 and a chassis 2 fixedly arranged at the upper end of the rotating shaft 1, wherein a central column 3 extending upwards is fixedly arranged at the center of the chassis 2, a plurality of fixing blocks 4 are fixedly arranged on the chassis 2, the fixing blocks 4 are uniformly distributed on the chassis 2 around the central column 3, a cutting block 5 capable of moving towards the central column 3 is movably arranged between two adjacent fixing blocks 4, a connecting block 6 is fixedly arranged at the lower end of the cutting block 5, the connecting block 6 is positioned at one side of the lower end surface of the cutting block 5 far away from the central column 3, a guide rod 7 extending towards the central column 3 is fixedly arranged on the connecting block 6, a plurality of clamping grooves 8 for clamping the connecting block 6 are fixedly arranged on the chassis 2, the end surface of the clamping groove 8 facing the center column 3 is provided with a guide groove 9 extending towards the center column 3 and used for clamping the guide rod 7, the guide rod 7 is inserted in the guide groove 9, the bottom of the guide groove 9 is fixedly provided with a mounting groove 10 distributed along the length direction of the guide groove 9, one end of the guide rod 7 far away from the connecting block 6 penetrates through the guide groove 9 and is positioned in the mounting groove 10, the mounting groove 10 is in a circular truncated cone shape, the diameter of the mounting groove 10 is gradually reduced from the center column 3 to the direction of the guide groove 9, the diameter of the mounting groove 10 facing one end of the guide groove 9 is larger than that of the guide groove 9, the mounting groove 10 is movably provided with a plurality of steel balls 11 for locking the guide rod 7, the plurality of steel balls 11 are positioned in the mounting groove 10 and face one end of the guide groove 9, the mounting groove 10 is movably provided with a first spring 12 for driving the steel balls 11 to move towards the direction of the guide groove 9, the inner diameter of the first spring 12 is larger than the diameter of the guide rod 7, and the central column 3 is provided with an unlocking device 13 for driving the steel balls 11 to move towards the central column 3.

When the cutting block 5 is installed, the guide rod 7 at the lower end of the cutting block 5 is inserted into the guide groove 9 on the chassis 2 and inserted into the installation groove 10 along the guide groove 9, the guide rod 7 moves towards one end of the central column 3 towards the direction of the installation groove 10 and pushes the steel balls 11 to move towards the direction of the central column 3, the steel balls 11 gradually move towards the outer side of the installation groove 10 in the process of moving towards the direction of the central column 3 through the installation groove 10 with the diameter gradually increasing towards the direction of the central column 3, the gap between the centers of the steel balls 11 gradually increases until the guide rod 7 is inserted into the steel balls 11, the steel balls 11 stop moving in the horizontal direction, the guide rod 7 continues to move until the cutting block 5 is installed to a fixed position, and after the cutting block 5 is loosened, the steel balls 11 always have a force moving towards the direction of the guide groove 9 under the driving of the first spring 12, make steel ball 11 joint all the time between the clearance of guide bar 7 and mounting groove 10, accomplish the fixed of guide bar 7 and cutting block 5, drive steel ball 11 through unlocking means 13 and to the 3 direction removal of center post and can accomplish the unblock of guide bar 7, the change of completion cutting block 5 that can be convenient, it is comparatively convenient during the use, and along with the rotation of chassis 2 in the grinding process, cutting block 5 is to having the trend of removing to chassis 2 peripheral direction under the effect of centrifugal force, guide bar 7 removes and drives steel ball 11 to remove to guide groove 9 direction and because the mounting groove 10 that the diameter reduces gradually to keeping away from center post 3 direction under the effect of centrifugal force, guide bar 7 presses steel ball 11 on the outer wall of mounting groove 10 and locks guide bar 7, chassis 2's slew velocity is the bigger, steel ball 11 is more firm locks guide bar 7 in mounting groove 10.

The unlocking device 13 comprises a mounting hole 14 formed in the center column 3, the end face where the lower end of the mounting hole 14 is located below the end face where the mounting groove 10 is located, a movable groove 15 is formed in the lower end of the mounting hole 14, the diameter of the movable groove 15 is larger than that of the mounting hole 14, an unlocking rod 16 capable of moving along the length direction of the mounting hole 14 is movably arranged in the mounting hole 14, a magnet 17 used for adsorbing the steel ball 11 to move towards the center column 3 is fixedly arranged at the lower end of the unlocking rod 16, the magnet 17 is located in the movable groove 15, the height of the movable groove 15 is larger than the sum of the heights of the magnet 17 and the mounting groove 10, a second spring 18 used for driving the magnet 17 to move upwards is arranged in the movable groove 15, and the second spring 18 is located at the bottom of the magnet 17 in the movable groove 15. The magnet 17 at the lower end of the unlocking rod 16 moves downwards along the movable groove 15 by pressing the unlocking rod 16 until the magnet 17 moves to the plane where the installation grooves 10 are located, the magnet 17 adsorbs the steel balls 11 in the installation grooves 10, the steel balls 11 move towards the direction of the central column 3 to unlock the guide rod 7, and the guide rod 7 can be conveniently pulled out from the guide groove 9.

One end of the mounting groove 10 facing the center post 3 is provided with a groove 19 for clamping the first spring 12, one end of the first spring 12 facing the center post 3 is clamped in the groove 19, and the diameter of a circle formed by surrounding the grooves 19 is larger than that of the movable groove 15. A baffle plate 20 is movably arranged in the mounting groove 10, the baffle plate 20 is positioned between the first spring 12 and the steel balls 11 in the mounting groove 10, the steel balls 11 are attached to the end surface of the baffle plate 20 facing the guide groove 9, and a slot 21 which penetrates through the baffle plate 20 and has the same diameter as the guide groove 9 is formed in the center of the baffle plate 20. Fixed block 4, cutting block 5, connecting block 6, guide bar 7, guide way 9, mounting groove 10, baffle 20 and first spring 12 are provided with four respectively, fixed block 4, cutting block 5, connecting block 6, guide bar 7, guide way 9, mounting groove 10, baffle 20 and first spring 12 are respectively the one-to-one. The number of the steel balls 11 of the mounting groove 10 is three. The steel balls 11 are always positioned on the end surface of the baffle plate 20 facing the guide groove 9 through the baffle plate 20, so that the steel balls 11 are prevented from being deviated from the position and falling into the first spring 12 with a larger inner diameter.

The end surface of the cutting block 5 facing the center post 3 is provided with an arc surface 22 for abutting against the side wall of the center post 3. When the cutting block 5 is installed at a fixed position, the arc-shaped surface 22 of the cutting block 5 facing the central column 3 is attached to the central column 3, so that the installation is more convenient.

The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications or additions may be made to the described embodiments, or alternatives may be employed, by those skilled in the art, without departing from the spirit or ambit of the invention as defined in the appended claims.

Claims

1. The self-locking grinding mechanism of the colloid mill is characterized by comprising a rotating shaft (1) and a chassis (2) fixedly arranged at the upper end of the rotating shaft (1), wherein a central column (3) extending upwards is fixedly arranged at the center of the chassis (2), a plurality of fixing blocks (4) are fixedly arranged on the chassis (2), the fixing blocks (4) are uniformly distributed on the chassis (2) around the central column (3), a cutting block (5) capable of moving towards the central column (3) is movably arranged between every two adjacent fixing blocks (4), a connecting block (6) is fixedly arranged at the lower end of the cutting block (5), the connecting block (6) is positioned on one side, far away from the center post (3), of the lower end face of the cutting block (5), a guide rod (7) extending towards the direction of the center post (3) is fixedly arranged on the connecting block (6), a plurality of clamping grooves (8) used for clamping the connecting block (6) are fixedly arranged on the chassis (2), a guide groove (9) extending towards the direction of the center post (3) and used for clamping the guide rod (7) is formed in the end face, facing towards the center post (3), of the clamping grooves (8), the guide rod (7) is inserted into the guide groove (9), and a mounting groove distributed along the length direction of the guide groove (9) is fixedly formed in the bottom of the guide groove (9) (10) The end, far away from the connecting block (6), of the guide rod (7) penetrates through the guide groove (9) and is located in the installation groove (10), the installation groove (10) is in a circular truncated cone shape, the diameter of the installation groove (10) is gradually reduced from the center column (3) to the guide groove (9), the diameter of the installation groove (10) towards one end of the guide groove (9) is larger than that of the guide groove (9), a plurality of steel balls (11) used for locking the guide rod (7) are movably arranged in the installation groove (10), the plurality of steel balls (11) are located at one end, facing the guide groove (9), of the installation groove (10), a first spring (12) used for driving the steel balls (11) to move towards the guide groove (9) is movably arranged in the installation groove (10), the inner diameter of the first spring (12) is larger than that of the guide rod (7), an unlocking device (13) used for driving the steel balls (11) to move towards the direction of the guide groove (9) is arranged on the center column (3), the unlocking device (13) comprises an installation hole (14) arranged on the center column (3), and a lower end face of the installation hole (14) is arranged at the lower end face of the installation groove (14), the diameter of this movable groove (15) is greater than the diameter of mounting hole (14), mounting hole (14) internalization is provided with one and can follows unlocking lever (16) that mounting hole (14) length direction removed, and the lower extreme of this unlocking lever (16) is fixed to be provided with one and is used for adsorbing above-mentioned steel ball (11) to magnet (17) that center post (3) direction removed, and this magnet (17) are located above-mentioned movable groove (15), the high sum that is greater than above-mentioned magnet (17) and mounting groove (10) of movable groove (15), be provided with in movable groove (15) and be used for driving second spring (18) of above-mentioned magnet (17) rebound, this second spring (18) are located the bottom of movable groove (15) interior magnet (17).

2. The self-locking grinding mechanism of the colloid mill according to claim 1, wherein a groove (19) for engaging the first spring (12) is formed at one end of the mounting groove (10) facing the central column (3), one end of the first spring (12) facing the central column (3) is engaged in the groove (19), and the diameter of the circle surrounded by the grooves (19) is larger than that of the movable groove (15).

3. The self-locking grinding mechanism of the colloid mill according to claim 2, characterized in that a baffle plate (20) is movably arranged in the mounting groove (10), the baffle plate (20) is positioned between the first spring (12) and the steel balls (11) in the mounting groove (10), the steel balls (11) are abutted against the end surface of the baffle plate (20) facing the guide groove (9), and the center of the baffle plate (20) is provided with a slot (21) which penetrates through the baffle plate (20) and has the same diameter as the guide groove (9).

4. The self-locking grinding mechanism of the colloid mill according to claim 3, wherein four fixing blocks (4), four cutting blocks (5), four connecting blocks (6), four guide rods (7), four guide grooves (9), four mounting grooves (10), four baffle plates (20) and four first springs (12) are arranged, and the fixing blocks (4), the cutting blocks (5), the four connecting blocks (6), the four guide rods (7), the four guide grooves (9), the four mounting grooves (10), the four baffle plates (20) and the first springs (12) are in one-to-one correspondence respectively.

5. The self-locking grinding mechanism of colloid mill according to claim 4, characterized in that there are three steel balls (11) in the mounting groove (10).

6. The self-locking grinding mechanism of the colloid mill according to claim 1, wherein an arc surface (22) for abutting against the side wall of the central column (3) is provided on the end surface of the cutting block (5) facing the central column (3).