CN217016813U - Grinding machine for abrasive production - Google Patents

Abstract

The utility model provides a grinding machine for producing grinding materials, which belongs to the technical field of grinding and comprises a grinding bin and a first rotating shaft arranged in the grinding bin, wherein a grinding block is arranged on the first rotating shaft, a grinding disc is arranged on the inner side wall of the grinding bin corresponding to the grinding block, a first grinding layer is arranged below the grinding block, a second grinding layer is arranged on the grinding disc, a screen is arranged below the grinding disc, and a backflow mechanism is arranged outside the grinding bin corresponding to the screen; the utility model can grind the abrasive particles, can screen the ground abrasive particles, and can lead the unqualified abrasive particles to be reintroduced into the grinding bin for grinding through the backflow mechanism.

Description

A grinder for abrasive production

technical field

The utility model relates to the technical field of grinding, in particular to a grinding machine used for abrasive production.

Background technique

Grinding is a finishing process (such as cutting) that is performed on the machined surface through the relative movement of the grinding tool and the workpiece under certain pressure by using abrasive particles coated or pressed on the grinding tool. Grinding can be used to process various metal and non-metal materials, and the processed surface shapes include plane, inner and outer cylindrical and conical surfaces, convex and concave spherical surfaces, threads, tooth surfaces and other profiles. The machining accuracy can reach IT5~IT01, and the surface roughness can reach Ra0.63~0.01 microns.

The abrasive particles in the prior art generally cannot be processed at one time, and multiple grindings are required to make the abrasive particles qualified and usable. Therefore, a device for processing the abrasive particles at one time is required.

Utility model content

In view of this, the present utility model provides a grinding machine for abrasive production, which can grind abrasive particles, screen the ground abrasive particles, and reintroduce unqualified abrasive particles through a recirculation mechanism Grinding chamber for grinding.

In order to solve the above-mentioned technical problems, the present utility model provides a grinding machine for abrasive production, which includes a grinding chamber and a first rotating shaft arranged in the grinding chamber. A grinding disc is set on the top, a first grinding layer is set below the grinding block, a second grinding layer is set on the grinding disc, a screen is set below the grinding disc, and a reflux mechanism is set on the outside of the grinding chamber corresponding to the screen.

Further, the grinding block has a rhombic structure, and the distance between the middle part of the grinding disc and the bottom of the grinding block is smaller than the distance between the two ends of the grinding disc and the two ends of the grinding block.

Further, a feeding hole is set in the middle of the grinding disc, a grinding column is set at the bottom of the grinding block corresponding to the feeding hole, a third grinding layer is set on the outside of the grinding column, and a fourth grinding layer is set on the inner side of the feeding hole corresponding to the third grinding layer. abrasive layer.

Further, the screen is inclined in the grinding bin, and a discharge port is provided on the grinding bin corresponding to the lower end of the screen in the horizontal position.

Further, the recirculation mechanism includes a recirculation bin arranged on the outside of the grinding bin corresponding to the discharge port, a second rotating shaft is arranged in the recirculation bin, a spiral pushing blade is arranged on the second rotating shaft, and a return pipe is arranged at the top of the recirculation bin. , the return pipe is connected with the grinding chamber.

Further, a bracket is arranged at the bottom of the grinding chamber, a first motor is arranged on the bracket, and the output shaft of the first motor is connected with the first rotating shaft through a coupling.

Further, a drive compartment is arranged at the bottom of the return compartment, a second motor is arranged in the drive compartment, and the output shaft of the second motor is connected with the second rotating shaft.

The beneficial effects of the above-mentioned technical solutions of the present utility model are as follows:

1. The abrasive particles can be ground by the first grinding layer on the grinding block, the second grinding layer on the grinding disc, the third grinding layer on the grinding column and the fourth grinding layer in the blanking hole, so that the abrasive can be fully ground. Grinding is carried out, and the abrasive is ground into finished abrasive particles.

2. The inclined setting of the screen can make the qualified abrasive particles fall through the screen to the bottom of the grinding bin and then be discharged from the device, and the unqualified abrasives enter the reflux mechanism through the feeding port with the inclined surface of the screen for regrinding.

Description of drawings

Fig. 1 is the structural representation of a kind of grinding machine used for abrasive production of the present utility model;

Fig. 2 is the structural representation at the utility model A;

Fig. 3 is the structural representation of the bottom view of the grinding disc of the present invention;

FIG. 4 is a schematic structural diagram of the backflow mechanism of the present invention.

1. Grinding bin; 2. First shaft; 3. Grinding block; 4. Grinding disc; 5. First grinding layer; 6. Second grinding layer; 7. Screen; 8. Feed hole; 9. Grinding column 10. The third grinding layer; 11. The fourth grinding layer; A motor; 19, a coupling; 20, a drive compartment; 21, a second motor.

Detailed ways

In order to make the purposes, technical solutions and advantages of the embodiments of the present invention more clear, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings 1-4 of the embodiments of the present invention. Obviously, the described embodiments are some, but not all, embodiments of the present invention. Based on the described embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art fall within the protection scope of the present invention.

As shown in Figures 1-4: a grinding machine for abrasive production, comprising a grinding chamber 1 and a first rotating shaft 2 arranged in the grinding chamber 1, and a grinding block 3 is arranged on the first rotating shaft 2, corresponding to the grinding block 3 in the A grinding disc 4 is set on the inner side wall of the grinding chamber 1, a first grinding layer 5 is set below the grinding block 3, a second grinding layer 6 is set on the grinding disc 4, and a screen 7 is set below the grinding disc 4, corresponding to the screen. The mesh 7 is provided with a recirculation mechanism on the outside of the grinding chamber 1; the abrasive is put into the grinding chamber 1, and then the first rotating shaft 2 is controlled to drive the grinding block 3 to rotate, so that the abrasive can be ground, and the unqualified abrasive after grinding is re-introduced through the recirculation mechanism Grinding is carried out in grinding chamber 1 .

Specifically, a grinding machine for abrasive production, the first grinding, the second grinding layer 6, the third grinding layer 10, and the fourth grinding layer 11 are densely covered conical grinding heads, and the materials are introduced into the grinding chamber. After 1, the first rotating shaft 2 rotates to drive the grinding block 3 to rotate, and the grinding block 3 rotates so as to make the first grinding layer 5 on the grinding block 3 and the second grinding layer 6 on the grinding disc 4 to the grinding block 3 and the grinding layer. The abrasives in between are ground. After the grinding is completed, the qualified abrasives pass through the screen 7, and the unqualified abrasives enter the recirculation mechanism.

According to an embodiment of the present invention, as shown in Figures 1-2,

The grinding block 3 has a rhombus structure, and the distance between the middle of the grinding disc 4 and the bottom of the grinding block 3 is smaller than the distance between the two ends of the grinding disc 4 and the two ends of the grinding block 3 . The width of the periphery of the grinding disc 4 is greater than the width of the center of the grinding disc 4, that is, the abrasive between the two ends of the grinding disc 4 and the two ends of the grinding block 3 can enter the middle of the grinding disc 4 and grind with the inclined surface of the grinding disc 4 after being ground. between the bottom of the block 3, and then enter the blanking hole 8 after grinding.

According to another embodiment of the present invention, as shown in Figures 1-3,

A feeding hole 8 is set in the middle of the grinding disc 4 , a grinding column 9 is set at the bottom of the grinding block 3 corresponding to the feeding hole 8 , and a third grinding layer 10 is set on the outer side of the grinding column 9 , corresponding to the third grinding layer 10 in the feeding A fourth polishing layer 11 is provided inside the hole 8 . That is, in the process of the abrasive falling through the feeding hole 8, the grinding column 9 is driven to rotate by the grinding block 3, so that the third grinding layer 10 on the grinding column 9 and the fourth grinding layer 11 in the feeding hole 8 can fall on the abrasive. grinding again during the process.

In one embodiment of the present invention, as shown in Figure 1,

The screen 7 is inclined in the grinding bin 1, and a discharge port 12 is provided on the grinding bin 1 corresponding to the lower end of the screen 7 in the horizontal position. That is to say, the inclined setting of the screen 7 can make the qualified abrasive particles fall through the screen 7 to the bottom of the grinding chamber 1 and then be discharged from the device.

In another embodiment of the present invention, as shown in Figures 1 and 4,

The recirculation mechanism includes a recirculation chamber 13 disposed on the outside of the grinding chamber 1 corresponding to the feeding port 12 , a second rotating shaft 14 is arranged in the recirculation chamber 13 , and a screw pushing blade 15 is arranged on the second rotating shaft 14 . 13 A return pipe 16 is provided at the top, and the return pipe 16 is connected to the grinding chamber 1 . The unqualified ones enter the return chamber 13 through the feeding port 12, and control the rotation of the second rotating shaft 14 to make the screw push blade 15 rotate, so that the screw push blade 15 pushes the abrasive to the top of the return chamber 13, and then passes through the return pipe 16. Enter the grinding chamber 1 for grinding again.

According to another embodiment of the present invention, as shown in Figure 1,

A bracket 17 is arranged at the bottom of the grinding chamber 1 , a first motor 18 is arranged on the bracket 17 , and the output shaft of the first motor 18 is connected with the first rotating shaft 2 through a coupling 19 . That is, by controlling the operation of the first motor 18 on the bracket 17 , the output shaft of the first motor 18 can drive the first shaft 2 to rotate through the coupling 19 , so as to grind the abrasive in the grinding chamber 1 .

According to another embodiment of the present invention, as shown in Figures 1 and 4,

A driving chamber 20 is arranged at the bottom of the return chamber 13 , and a second motor 21 is arranged in the driving chamber 20 , and the output shaft of the second motor 21 is connected with the second rotating shaft 14 . That is, controlling the operation of the second motor 21 in the driving chamber 20 can make the output shaft of the second motor 21 drive the second rotating shaft 14 to rotate, so that the unqualified abrasives can be recirculated through the recirculation chamber 13 for grinding again.

The working principle of the present utility model:

Put the abrasive into the grinding chamber 1, and then control the first motor 18 to work to make the first shaft 2 rotate, so that the first grinding layer 5 on the grinding block 3 and the second grinding layer 6 on the grinding disc 4 are opposite to the grinding block 3 and grinding. The abrasive between the layers is ground, and the ground abrasive falls on the screen 7 through the blanking hole 8. During the falling process, the third grinding layer 10 on the grinding column 9 and the fourth grinding layer in the blanking hole 8 are ground. The grinding layer 11 can be ground again during the falling of the abrasive. After the abrasive falls on the screen 7, the qualified ones pass through the screen 7 and land at the bottom of the grinding chamber 1 and then discharged from the device, and the unqualified ones follow the inclination of the screen 7. The surface enters the recirculation chamber 13, and then controls the rotation of the second motor 21 to enable the screw pushing blade 15 to push the abrasive to the top of the recirculation chamber 13, and then enter the grinding chamber 1 through the recirculation pipe 16 for grinding again.

In the present utility model, unless otherwise expressly specified and limited, for example, it may be a fixed connection, a detachable connection, or an integrated body; it may be a mechanical connection or an electrical connection; it may be a direct connection, or a It can be indirectly connected through an intermediate medium, it can be the internal communication between two elements or the interaction relationship between the two elements, unless otherwise clearly defined, for those of ordinary skill in the art, the above terms can be understood according to specific situations in this document. The specific meaning in the utility model.

The above are the preferred embodiments of the present invention. It should be pointed out that for those skilled in the art, without departing from the principles of the present invention, several improvements and modifications can be made. These improvements and Retouching should also be regarded as the protection scope of the present invention.

Claims (7)

1. A grinding machine for abrasive production, characterized in that: the grinding chamber (1) and the grinding chamber (1) are provided with a first rotating shaft (2), and a grinding block (2) is provided on the first rotating shaft (2). 3), corresponding to the grinding block (3), a grinding disc (4) is provided on the inner side wall of the grinding chamber (1), a first grinding layer (5) is provided under the grinding block (3), and the grinding disc (4) is provided with a first grinding layer (5). A second grinding layer (6) is provided, a screen (7) is provided below the grinding disc (4), and a reflux mechanism is provided on the outside of the grinding chamber (1) corresponding to the screen (7). 2. a kind of grinding machine for abrasive production as claimed in claim 1 is characterized in that: described grinding block (3) is rhombus structure and the distance between the middle part of grinding disc (4) and the bottom of grinding block (3) is less than The distance between the two ends of the grinding disc (4) and the two ends of the grinding block (3). 3. A grinding machine for abrasive production as claimed in claim 1, characterized in that: a blanking hole (8) is provided in the middle of the grinding disc (4), and the corresponding blanking hole (8) is provided in the grinding disc (4). A grinding column (9) is provided at the bottom of the block (3), a third grinding layer (10) is provided on the outside of the grinding column (9), and a fourth grinding layer (10) is provided on the inside of the blanking hole (8) corresponding to the third grinding layer (10). 11). 4. A grinding machine for abrasive production according to claim 1, characterized in that: the screen (7) is inclined in the grinding chamber (1), and the horizontal position of the corresponding screen (7) is lower One end of the grinding chamber (1) is provided with a discharge port (12). 5. A grinding machine for abrasive production as claimed in claim 3, characterized in that: the backflow mechanism comprises a backflow bin (13) arranged on the outside of the grinding bin (1) corresponding to the discharge port (12), A second rotating shaft (14) is arranged in the return chamber (13), a screw pushing blade (15) is arranged on the second rotating shaft (14), a return pipe (16) is arranged at the top of the return chamber (13), and the The return pipe (16) is connected with the grinding chamber (1). 6. A grinding machine for abrasive production according to claim 1, characterized in that: a bracket (17) is arranged at the bottom of the grinding chamber (1), and a first motor (18) is arranged on the bracket (17). ), the output shaft of the first motor (18) is connected with the first rotating shaft (2) through a coupling (19). 7. A grinding machine for abrasive production according to claim 5, characterized in that: a driving chamber (20) is arranged at the bottom of the return chamber (13), and a second motor is arranged in the driving chamber (20). (21), the output shaft of the second motor (21) is connected with the second rotating shaft (14).

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