CN215312760U

CN215312760U - Grinding disk for resin and grinding machine

Info

Publication number: CN215312760U
Application number: CN202120707292.8U
Authority: CN
Inventors: 战从琪; 赵平; 刘太恩
Original assignee: Shandong Youquan New Material Co ltd
Current assignee: Shandong Youquan New Material Co ltd
Priority date: 2021-04-08
Filing date: 2021-04-08
Publication date: 2021-12-28
Anticipated expiration: 2031-04-08

Abstract

The utility model discloses a resin grinding disc and a grinding machine, wherein the grinding disc comprises a fixed disc and a movable disc which are matched with each other, and round holes are formed in the centers of the fixed disc and the movable disc; the opposite surfaces of the fixed disc and the movable disc are provided with grinding surfaces; a plurality of asymmetric fan-shaped areas are uniformly arranged on the grinding surface in the circumferential direction, and each asymmetric fan-shaped area comprises a long boundary line and a short boundary line; the long boundary line is tangent to the round hole; a plurality of grooves which are parallel to each other are arranged on each asymmetric sector, and the cross section of each groove is an obtuse triangle; the grinding machine comprises n movable disks, n +1 or 2n fixed disks, wherein n is more than or equal to 1; the utility model increases the shearing force between the grinding surfaces of the movable disc and the fixed disc, increases the contact area between the grinding surfaces and materials, and improves the grinding effect; the directional flow of the grinding liquid is ensured, and the waste of the grinding materials is reduced; the grinding machine can grind and mix the colloid and the liquid, thereby realizing multiple purposes; the grinder can be used for continuous production, and the grinding efficiency is improved.

Description

Grinding disk for resin and grinding machine

Technical Field

The utility model relates to a resin grinding disc and a grinding machine, and belongs to the technical field of grinding equipment.

Background

The grinding machine has wide application, and is one of the key devices especially in the resin industry. The particle size after grinding and the production efficiency are important indexes. The aim of reducing the granularity after grinding, shortening the grinding time and improving the production efficiency of equipment is pursued in the industry.

At present, the traditional one-pot grinding method is commonly adopted in the grinding machine in the industry, such as a colloid mill, and the grinding machine consists of a motor, a connecting body, a grinding disc and the like. The grinding disc of the colloid mill is generally composed of 3 coaxial circles of teeth, and the grinding structure has the following problems in practical use:

1. during grinding, the existing one-pot grinding method often causes insufficient mixing and insufficient grinding among materials and has lower yield;

2. the materials do not flow directionally in the grinding process, so that the grinding materials are wasted;

3. the shearing force between the grinding surfaces of the movable disc and the fixed disc is small, the contact area between the grinding surfaces and materials is small, and the grinding effect is poor.

In view of the above, the prior art is obviously inconvenient and disadvantageous in practical use, and needs to be improved.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem and provides a resin grinding disc and a resin grinding machine, which can realize the following purposes:

1. the grinding machine can grind and mix colloid and liquid for many times, so that the materials are fully mixed and ground, and the grinding yield is improved.

2. The design of the grooves on the grinding disc surface ensures the directional flow of grinding liquid in the process of grinding materials and reduces the waste of the grinding materials;

3. the shearing force between the grinding surfaces of the movable disc and the fixed disc is increased, the contact area between the grinding surfaces and materials is increased, and the grinding effect is improved.

In order to solve the technical problems, the utility model adopts the following technical scheme: a resin grinding disc comprises a fixed disc and a movable disc which are matched with each other, wherein circular holes are formed in the centers of the fixed disc and the movable disc; the opposite surfaces of the fixed disc and the movable disc are provided with grinding surfaces; a plurality of asymmetric sectors are uniformly arranged on the grinding surface in the circumferential direction, and each asymmetric sector comprises a long boundary line and a short boundary line; the long boundary line of the asymmetric sector area is tangent to the circular hole;

each asymmetric sector is provided with a plurality of mutually parallel grooves, and the cross section of each groove is an obtuse triangle.

Further, each groove extends from a short boundary line of the asymmetric sector towards an outer edge of the abrasive face;

the grooves in two adjacent asymmetric fan-shaped areas are arranged at an angle of 30-75 degrees;

the width of the groove is 5-8 mm, and the depth of the groove is 0.5-1.5 mm.

Furthermore, a gap of 1-3.5 mm is arranged between the grinding surface of the fixed disc and the grinding surface of the movable disc.

Furthermore, the included angle between the long boundary line and the short boundary line of each asymmetric sector is 30-75 degrees;

the long boundary line of the asymmetric sector coincides with the short boundary line of the asymmetric sector adjacent thereto.

Further, one side of the obtuse triangle is coplanar with the grinding surface; the obtuse angle between the other two sides of the obtuse triangle is a fillet, and the range of the obtuse angle is 90-100 degrees.

A grinding machine comprises the grinding disc, wherein the number of the movable discs in the grinding disc is n, n is more than or equal to 1, and the number of the fixed discs is n +1 or 2 n;

at least one grinding surface of the movable disc is matched with the grinding surface of the fixed disc and rotates relatively.

Further, when the number of the fixed disks is n +1, the movable disks are arranged between two adjacent fixed disks, and the movable disks and the fixed disks are arranged in a staggered mode.

Further, when the number of the fixed disks is 2n, one movable disk and two fixed disks form a grinding disk group, and the movable disk in each grinding disk group is arranged between the two fixed disks; the number of the grinding disc groups is the same as that of the movable discs, and the plurality of grinding disc groups are arranged adjacently in sequence.

Further, the fixed plate is fixed on the machine body; the movable disc is fixed on the main shaft;

a clearance of 1-3 mm is arranged between the circumferential side of the movable disc and the machine body.

Furthermore, two ends of the main shaft are rotatably connected to the machine body, and one end of the main shaft is connected with the power mechanism through a transmission mechanism.

After the technical scheme is adopted, compared with the prior art, the utility model has the following advantages:

1. set up the slot in asymmetric fan-shaped district, form asymmetric fan-shaped slot texture, increased the shearing force between movable disk and the fixed disk lapping surface, increased the area of contact of lapping surface with the material, improved the grinding effect.

2. The grooves extend to the edges along the long boundary line of the asymmetric fan-shaped area, so that the directional flow of grinding liquid is ensured, and the waste of grinding materials is reduced; the grooves in two adjacent asymmetric sector areas on the movable disc are arranged at an angle of 30-75 degrees and are consistent with the moving direction of the movable disc, so that the grinding effect is improved.

3. The grinding machine with the grinding disc can grind and mix colloid and liquid, thereby realizing multiple purposes; the grinding machine changes the traditional one-pot grinding method and adopts continuous production, so that the grinding efficiency is improved by 70-80%.

The present invention will be described in detail below with reference to the accompanying drawings and examples.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the structure of the abrasive surface of the fixed plate;

FIG. 3 is a cross-sectional view of the abrasive surface of the fixed platen;

FIG. 4 is a schematic view of the structure of the abrasive surface on the rotor;

FIG. 5 is a cross-sectional view of the abrasive surface on the rotor plate;

in the figure, the position of the upper end of the main shaft,

1-fixed disc, 2-movable disc, 3-round hole, 4-asymmetric sector area, 5-groove, 6-discharge port, 7-power mechanism, 8-transmission mechanism, 9-machine body, 10-main shaft and 11-feed port.

Detailed Description

In order to more clearly understand the technical features, objects, and effects of the present invention, embodiments of the present invention will now be described with reference to the accompanying drawings.

Examples

As shown in fig. 1-5, the utility model provides a resin grinding disc, which comprises a fixed disc 1 and a movable disc 2 matched with the fixed disc 1, wherein the centers of the fixed disc 1 and the movable disc 2 are both provided with a round hole 3; the opposite surfaces of the fixed disc 1 and the movable disc 2 are provided with grinding surfaces; a gap is arranged between the grinding surfaces on the fixed disc 1 and the movable disc 2, the gap is 1-3.5 mm, and the size of the gap can be adjusted according to actual conditions; preferably, the clearance between the grinding surfaces on the fixed disc 1 and the movable disc 2 is 2 mm.

The grinding surface is a torus, a plurality of asymmetric sectors 4 are uniformly arranged in the circumferential direction of the grinding surface, each asymmetric sector 4 comprises a long boundary line and a short boundary line, and the long boundary line of each asymmetric sector 4 is superposed with the short boundary line of the adjacent asymmetric sector 4; the long boundary line of the asymmetric sector area 4 is tangent to the circular hole 3, the included angle between the long boundary line and the short boundary line is 30-75 degrees, and the included angle between the long boundary line and the short boundary line is preferably 45 degrees. Each asymmetric sector 4 is provided with a plurality of mutually parallel grooves 5, each groove 5 extends from the short boundary line of the asymmetric sector 4 to the outer edge of the grinding surface, the grooves 5 are parallel to the long boundary line of the asymmetric sector 4, the grooves 5 in two adjacent asymmetric sectors 4 are arranged at an angle of 30-75 degrees, and preferably, the grooves 5 in two adjacent asymmetric sectors 4 are arranged at an angle of 45 degrees.

The section of the groove 5 is an obtuse triangle, one side of the obtuse triangle is coplanar with the grinding surface, an obtuse angle between the other two sides of the obtuse triangle is a fillet, and the range of the obtuse angle is 90-100 degrees.

The width b of the groove 5 is 5-8 mm, and the depth t of the groove 5 is 0.5-1.5 mm.

Preferably, the groove width is 7mm and the groove depth is 0.8 mm.

The utility model also provides a grinder which comprises a power mechanism 7, a transmission mechanism 8 and the grinding disc, wherein the number of the movable discs 2 in the grinding disc is n according to the processing requirement, and n is more than or equal to 1; the number of the fixed discs 1 is n +1 or 2n, and at least one grinding surface of the movable disc 2 is matched with that of the fixed discs 1 and rotates relatively; the movable disc and the fixed disc are distributed at intervals.

When the number of the fixed disks 1 is n +1, the arrangement form of the movable disk 2 and the fixed disks 1 is as follows: the movable discs 2 are arranged between two adjacent fixed discs 1, and the movable discs 2 and the fixed discs 1 are arranged in a staggered manner;

when the number of the fixed discs 1 is 2n, one movable disc 2 and two fixed discs 1 form a grinding disc group, and the movable disc 2 in each grinding disc group is arranged between the two fixed discs 1; the number of the grinding disc groups is the same as that of the movable disc 2, and the plurality of grinding disc groups are arranged adjacently in sequence.

In this embodiment, preferably, the number of the fixed disks 1 in the grinding disk is two, the number of the movable disks 2 is one, and the movable disks 2 are arranged between the two fixed disks 1; the two ends of the movable disc 2 are provided with grinding surfaces, the grinding surface of the fixed disc 1 above is downward, the grinding surface of the fixed disc 3 below is upward, and the grinding surfaces of the two fixed discs 1 are opposite to each other.

The power mechanism 7 is fixed on the machine body 9, the transmission mechanism 8 is positioned between the power mechanism 7 and the main shaft 10, and the two fixed discs 1 are respectively fixed on the machine body 9; the movable disc 2 is fixed on the main shaft 10, and a gap is arranged between the circumferential side of the movable disc 2 and the machine body 9, and the size of the gap is 1-3 mm; preferably, the clearance between the peripheral side of the movable disk 2 and the fuselage 9 is 2 mm.

Two ends of the main shaft 10 are rotatably connected to the machine body 9, and the main shaft 10 is connected with the power mechanism 7 through the transmission mechanism 8; under the drive of the main shaft 10, the movable disc 2 and the two fixed discs 1 rotate relatively.

The top of the machine body 9 is provided with two feed inlets 11, and the two feed inlets 11 are respectively arranged at two sides of the main shaft 10; the feed inlet 11 runs through the upper grinding surface of the upper fixed disc 1 to the upper grinding surface of the movable disc 2.

The side of fuselage 9 is equipped with discharge gate 6, discharge gate 6 radially extends to the round hole 3 department at the fixed plate 1 center of below along fuselage 9 to the ejection of compact is convenient for.

The power mechanism 7 comprises a motor, and the transmission mechanism 8 comprises a synchronous belt and a belt pulley.

Taking the preparation of the acrylic resin aqueous dispersion as an example, the working process of the grinding machine is as follows:

when the device works, a motor is started, a main shaft is driven to rotate through a synchronous belt, a movable disc moves, the movable disc and an upper fixed disc and a lower fixed disc move relatively at the moment, then acrylic resin and purified water are respectively conveyed through two feed inlets, two materials reach a grinding surface at the upper end of the movable disc through the feed inlets, as the movable disc moves relatively relative to the upper fixed disc, a strong shearing acting force is generated in a gap between the grinding surface at the upper end of the movable disc and the grinding surface of the upper fixed disc, the acrylic resin and the purified water are primarily ground and mixed, and a primary mixture of the acrylic resin and the purified water is obtained; then acrylic resin and the first mixture of pure water get into the clearance between the fixed plate of movable disk and below through the clearance between movable disk and the fuselage, by the periphery along radial flow direction center, because the movable disk is for the fixed plate relative motion of below, the clearance between the abrasive surface of movable disk lower extreme and the fixed plate abrasive surface of below produces the strong shearing action force of second time, the first mixture of acrylic resin and pure water obtains the secondary grinding. After grinding for a period of time, the sample is sampled and then the detection sample meets the required requirements, and the material flows out from the discharge hole at the left side of the grinding machine, so that the grinding is completed. In the grinding process, the acrylic resin and the purified water can continuously enter from the feeding hole and continuously flow out from the discharging hole, so that the aim of continuous grinding is fulfilled.

The foregoing is illustrative of the best mode of the utility model and details not described herein are within the common general knowledge of a person of ordinary skill in the art. The scope of the present invention is defined by the appended claims, and any equivalent modifications based on the technical teaching of the present invention are also within the scope of the present invention.

Claims

1. A grinding disc for resin comprises a fixed disc (1) and a movable disc (2) which are matched with each other, wherein round holes (3) are formed in the centers of the fixed disc (1) and the movable disc (2); the opposite surfaces of the fixed disc (1) and the movable disc (2) are provided with grinding surfaces; the method is characterized in that: a plurality of asymmetric sectors (4) are uniformly arranged on the grinding surface in the circumferential direction, and each asymmetric sector (4) comprises a long boundary line and a short boundary line; the long boundary line of the asymmetric sector (4) is tangent to the round hole (3);

a plurality of mutually parallel grooves (5) are arranged on each asymmetric sector (4), and the cross section of each groove (5) is an obtuse triangle.

2. A resin abrasive disk according to claim 1, wherein: each groove (5) extends from the short boundary of the asymmetrical sector (4) towards the outer edge of the grinding surface;

the grooves (5) in two adjacent asymmetric sectors (4) are arranged at an angle of 30-75 degrees;

the width of the groove (5) is 5-8 mm, and the depth of the groove (5) is 0.5-1.5 mm.

3. A resin abrasive disk according to claim 1, wherein: and a gap of 1-3.5 mm is arranged between the grinding surface of the fixed disc (1) and the grinding surface of the movable disc (2).

4. A resin abrasive disk according to claim 1, wherein: the included angle between the long boundary line and the short boundary line of each asymmetric sector (4) is 30-75 degrees;

the long boundary line of the asymmetric sector (4) coincides with the short boundary line of the asymmetric sector (4) adjacent to the long boundary line.

5. A resin abrasive disk according to claim 1, wherein: one side of the obtuse triangle is coplanar with the grinding surface; the obtuse angle between the other two sides of the obtuse triangle is a fillet, and the range of the obtuse angle is 90-100 degrees.

6. A grinding machine characterized in that: the grinding disc comprises the grinding disc of any one of claims 1 to 5, wherein the number of the movable discs (2) in the grinding disc is n, n is more than or equal to 1, and the number of the fixed discs (1) is n +1 or 2 n;

at least one grinding surface of the movable disc (2) is matched with the grinding surface of the fixed disc (1) and rotates relatively.

7. A grinding mill according to claim 6, characterized in that: when the number of the fixed discs (1) is n +1, the movable disc (2) is arranged between two adjacent fixed discs (1), and the movable disc (2) and the fixed discs (1) are arranged in a staggered mode.

8. A grinding mill according to claim 6, characterized in that: when the number of the fixed discs (1) is 2n, one movable disc (2) and two fixed discs (1) form a grinding disc group, and the movable disc (2) in each grinding disc group is arranged between the two fixed discs (1); the number of the grinding disc groups is the same as that of the movable discs (2), and the plurality of grinding disc groups are arranged adjacently in sequence.

9. A grinding mill according to claim 6, characterized in that: the fixed plate (1) is fixed on the machine body (9); the movable disc (2) is fixed on the main shaft (10);

a clearance of 1-3 mm is arranged between the circumferential side of the movable disc (2) and the machine body (9).

10. A grinding mill according to claim 9, characterized in that: two ends of the main shaft (10) are rotatably connected to the machine body (9), and one end of the main shaft (10) is connected with the power mechanism (7) through the transmission mechanism (8).