Conductive silver paste raw material grinding device

Abstract

The utility model discloses a conductive silver paste raw material grinding device which comprises a conductive silver paste raw material grinding machine body, a neck bush is arranged in the conductive silver paste raw material grinding machine body, an inner discharging opening is formed in the center of the bottom face of the neck bush, an inner sealing plug is arranged in the inner discharging opening, and a sealing ring is arranged in the inner sealing plug. A material buffering groove is formed in the position, located below the neck bush, in the conductive silver paste raw material grinding machine body, through openings are formed in the two sides of the bottom of the material buffering groove, a grinding roller is arranged in the neck bush, and a sealing cover is arranged at the top of the conductive silver paste raw material grinding machine body. The grinding roller is arranged in the neck bush, the section of the neck bush is of the U-shaped structure, the structure enables the grinding roller to roll in an arc-shaped path, and under the action of gravity, rolled raw materials return to the middle position of the neck bush again, so that the effect of repeatedly rolling the raw materials is achieved, the grinding blind area is reduced, and the grinding efficiency is improved. And the raw material grinding uniformity is improved.

Description

Technical Field

[0001] The utility model relates to the field related to conductive silver paste processing, in particular to a conductive silver paste raw material grinding device. Background Art

[0002] Conductive silver paste is an industrial coating material and a type of conductive paste. Conductive paste is a type of electronic paste, so conductive silver paste also belongs to the electronic paste category. Conductive silver paste contains a variety of conductive substances, such as precious metal silver powder, silver-coated copper powder, base metal copper powder, nickel powder, aluminum powder, tungsten, molybdenum, manganese, and conductive inorganic powders such as carbon powder and graphene. Conductive silver paste has different silver contents, and its conductive properties are mainly achieved by silver powder. "Paste" usually refers to a blend of a carrier binder phase, additives, and auxiliary agents, which plays a role in supporting and enhancing the conductive material. The functions of conductive silver paste are firstly conductivity and secondly bonding and adhesion.

[0003] In the existing technology, there are still certain disadvantages in the use of conductive silver paste raw material grinding devices. The traditional grinding method usually uses a grinding disc for grinding. Since the raw materials will solidify before grinding, the solidified raw materials are easy to splash from the edge of the grinding disc when they come into contact with the grinding disc, resulting in uneven grinding of the raw materials. Screening is required for secondary grinding, which reduces the grinding efficiency. Utility Model Content

[0004] The purpose of the present utility model is to provide a conductive silver paste raw material grinding device to solve the problem that the traditional grinding method proposed in the above background technology usually adopts a grinding disc for grinding. Since the raw material will solidify before grinding, the solidified raw material is easy to splash from the edge of the grinding disc when it comes into contact with the grinding disc, resulting in uneven grinding of the raw material, requiring screening for secondary grinding processing, and reducing the grinding efficiency.

[0005] In order to achieve the above-mentioned purpose, the utility model provides the following technical solutions: a conductive silver paste raw material grinding device, comprising a conductive silver paste raw material grinding machine body, an inner sleeve is provided inside the conductive silver paste raw material grinding machine body, an inner feed opening is provided at the center position of the bottom surface of the inner sleeve, an inner sealing plug is provided inside the inner feed opening, a buffer groove is provided inside the conductive silver paste raw material grinding machine body below the inner sleeve, through openings are provided on both sides of the bottom of the buffer groove, a grinding roller is provided inside the inner sleeve, a sealing cover is provided on the top of the conductive silver paste raw material grinding machine body, and a sealing cover is provided in the middle above the sealing cover. A feed trough is provided at the intermediate position, support frames are provided at the four corners on both sides of the conductive silver paste raw material grinding body, a collecting hopper is provided at the bottom of the conductive silver paste raw material grinding body, and a discharge port is provided at the bottom of the collecting hopper, and an external limit slide groove and an internal limit slide groove are respectively provided below the front and rear end positions of the conductive silver paste raw material grinding body, a large gear plate is provided above the external limit slide groove, a small gear plate is provided below the large gear plate, and the small gear plate is connected to the large gear plate through a connecting handle, a motor seat is provided at the front end of the large gear plate, and a drive motor is provided above the motor seat.

[0006] In a further embodiment, the sealing cover is fixedly connected to the conductive silver paste raw material grinding body by a first fixing bolt, and the feed trough and the sealing cover are connected by welding. Guide blocks are provided on both sides of the interior of the feed trough, and the cross-section of the guide blocks is set to a triangular structure.

[0007] In a further embodiment, the cross section of the inner sleeve is configured as a U-shaped structure, and the grinding roller and the inner sleeve are connected by sliding.

[0008] In a further embodiment, the small gear plate is rotatably connected to the connecting handle via a bearing, and the grinding roller is fixedly connected to the connecting handle via a fastener.

[0009] In a further embodiment, the connecting handle is fixedly connected to the driving motor by screws, and the connecting handle is rotationally connected to the large gear plate by a bearing, and the large gear plate is fixedly connected to the conductive silver paste raw material grinding body by a second fixing bolt.

[0010] In a further embodiment, the inner sealing plug is connected to the conductive silver paste raw material grinding body through an electric telescopic rod, the collecting hopper is connected to the conductive silver paste raw material grinding body through an assembly plate, and a fixing plate is provided below both sides of the conductive silver paste raw material grinding body, and the assembly plate and the fixing plate are fixedly connected by locking bolts.

[0011] Compared with the prior art, the beneficial effects of the present invention are:

[0012] 1. In the utility model, a grinding roller is provided inside the inner sleeve, and the cross section of the inner sleeve is set to a U-shaped structure. This structure can make the grinding roller roll in an arc path. Under the action of gravity, the raw material after rolling returns to the middle position of the inner sleeve, thereby achieving the effect of repeated rolling of the raw material, reducing the blind area of ​​grinding, and improving the uniformity of raw material grinding. The grinding roller moves by gear transmission. This transmission method can ensure the accuracy of the movement trajectory of the grinding roller. At the same time, it also increases the stability of the operation of the grinding roller, making it easier to grind. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 This is a schematic structural diagram of a conductive silver paste raw material grinding device of the present invention;

[0014] Figure 2 This is a schematic cross-sectional view of a conductive silver paste raw material grinding device of the present invention;

[0015] Figure 3 This is a schematic diagram of the connection structure between the small gear plate and the large gear plate of the utility model;

[0016] Figure 4 It is a top view of the inner sleeve of the utility model.

[0017] In the figure: 1. Conductive silver paste raw material grinding body; 2. First fixing bolt; 3. Sealing cover; 4. Feed chute; 5. Motor seat; 6. Drive motor; 7. Support frame; 8. External limit slide; 9. Assembly plate; 10. Collecting hopper; 11. Discharge port; 12. Guide block; 13. Inner bushing; 14. Inner limit slide; 15. Grinding roller; 16. Inner discharge port; 17. Inner sealing plug; 18. Electric telescopic rod; 19. Slow-down chute; 20. Through port; 21. Locking bolt; 22. Large gear plate; 23. Second fixing bolt; 24. Connecting handle; 25. Fastener; 26. Small gear plate; 27. Fixing plate. DETAILED DESCRIPTION

[0018] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments.

[0019] See also Figure 1-4The utility model provides an embodiment: a conductive silver paste raw material grinding device, including a conductive silver paste raw material grinding machine body 1, an inner sleeve 13 is provided inside the conductive silver paste raw material grinding machine body 1, an inner feed opening 16 is provided at the center position of the bottom surface of the inner sleeve 13, an inner sealing plug 17 is provided inside the inner feed opening 16, a buffer groove 19 is provided inside the conductive silver paste raw material grinding machine body 1 below the inner sleeve 13, through openings 20 are provided on both sides of the bottom of the buffer groove 19, a grinding roller 15 is provided inside the inner sleeve 13, and a conductive A sealing cover 3 is provided on the top of the silver paste raw material grinding machine body 1, a feed trough 4 is provided in the middle position above the sealing cover 3, support frames 7 are provided at the four corners on both sides of the conductive silver paste raw material grinding machine body 1, a collecting hopper 10 is provided at the bottom of the conductive silver paste raw material grinding machine body 1, a discharge port 11 is provided at the bottom of the collecting hopper 10, an outer limit slide 8 and an inner limit slide 14 are provided below the front and rear ends of the conductive silver paste raw material grinding machine body 1, a large gear plate 22 is provided above the outer limit slide 8, and a large gear plate 22 is provided below the large gear plate 22. A small gear plate 26 is provided, and the small gear plate 26 is connected to the large gear plate 22 through a connecting handle 24. A motor seat 5 is provided at the front end of the large gear plate 22, and a driving motor 6 is provided above the motor seat 5. The inner bushing 13 is used to change the shape of the interior of the conductive silver paste raw material grinding machine body 1, the inner feed port 16 is used to transport the ground raw material downward, the inner sealing plug 17 is used to open or close the inner feed port 16, the buffer trough 19 is used to cache the powdered raw material, and the grinding roller 15 is used to transfer the raw material The material roller is pressed into a powdery structure, and the sealing cover 3 is used to seal the conductive silver paste raw material grinding body 1, and the support frame 7 is used to support and fix the conductive silver paste raw material grinding body 1 to the ground. The collecting hopper 10 is used to collect and store the powdered raw materials, and the external limit chute 8 and the internal limit chute 14 are used to limit and position the movement of the grinding roller 15. The connecting handle 24 is used to connect and fix the small gear plate 26 and the large gear plate 22, and the small gear plate 26 and the large gear plate 22 are used to drive the grinding roller 15 to operate.

[0020] The sealing cover 3 is fixedly connected to the conductive silver paste raw material grinding machine body 1 by a first fixing bolt 2, and the feed trough 4 is connected to the sealing cover 3 by welding. Guide blocks 12 are provided on both sides of the inside of the feed trough 4, and the cross-section of the guide block 12 is set to a triangular structure, which is used to fix the sealing cover 3 to the conductive silver paste raw material grinding machine body 1 by the first fixing bolt 2.

[0021] The cross section of the inner sleeve 13 is set to a U-shaped structure, and the grinding roller 15 is connected to the inner sleeve 13 by sliding, and the U-shaped structure is used to change the trajectory of the raw material grinding.

[0022] The small gear plate 26 is rotatably connected to the connecting handle 24 through a bearing, and the grinding roller 15 is fixedly connected to the connecting handle 24 through a fastener 25, and the fastener 25 is used to install and fix the grinding roller 15 to the connecting handle 24; the connecting handle 24 is fixedly connected to the drive motor 6 through a screw, and the connecting handle 24 is rotatably connected to the large gear plate 22 through a bearing, and the large gear plate 22 is fixedly connected to the conductive silver paste raw material grinding body 1 through a second fixing bolt 23, and the second fixing bolt 23 is used to install and fix the large gear plate 22 to the conductive silver paste raw material grinding body 1.

[0023] The inner sealing plug 17 is connected to the conductive silver paste raw material grinding body 1 through an electric telescopic rod 18, and the collecting hopper 10 is connected to the conductive silver paste raw material grinding body 1 through an assembly plate 9. Fixed plates 27 are provided below both sides of the conductive silver paste raw material grinding body 1, and the assembly plate 9 and the fixed plate 27 are fixedly connected by locking bolts 21. The electric telescopic rod 18 is used to adjust the height of the inner sealing plug 17, and the assembly plate 9 is used to combine and install the collecting hopper 10 and the conductive silver paste raw material grinding body 1, and the locking bolts 21 are used to fix the installation position of the collecting hopper 10.

[0024] Working principle: When in use, the raw materials are poured into the conductive silver paste raw material grinding machine body 1 through the feed trough 4, and the electrical energy is converted into mechanical energy through the driving motor 6 to drive the connecting handle 24 to swing left and right, so that the small gear plate 26 rotates along the edge of the large gear plate 22, thereby driving the grinding roller 15 to repeatedly roll, and the raw materials are ground by the grinding roller 15. After the grinding is completed, the inner sealing plug 17 is lowered downward by the electric telescopic rod 18 to open the inner discharge port 16, and the powdered raw material enters the buffer trough 19 through the inner discharge port 16, and is then transported to the collecting hopper 10 for storage.

[0025] It will be apparent to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above and that the present invention can be implemented in other specific forms without departing from the spirit or essential characteristics of the present invention. Therefore, the embodiments should be considered in all respects as illustrative and non-restrictive, and the scope of the present invention is defined by the appended claims, not the foregoing description, and all variations within the meaning and range of equivalents of the claims are intended to be encompassed within the present invention. Any reference sign in a claim should not be construed as limiting the claim to which it relates.

Claims

1. A conductive silver paste raw material grinding device, comprising a conductive silver paste raw material grinding body (1), characterized in that: The conductive silver paste raw material grinding machine body (1) is provided with an inner sleeve (13) inside, an inner discharge port (16) is provided at the center of the bottom surface of the inner sleeve (13), an inner sealing plug (17) is provided inside the inner discharge port (16), a buffer tank (19) is provided inside the conductive silver paste raw material grinding machine body (1) below the inner sleeve (13), through ports (20) are provided on both sides of the bottom of the buffer tank (19), a grinding roller (15) is provided inside the inner sleeve (13), a sealing cover (3) is provided on the top of the conductive silver paste raw material grinding machine body (1), a feed trough (4) is provided in the middle position above the sealing cover (3), and the four sides of the conductive silver paste raw material grinding machine body (1) are provided with a plurality of sealing caps (20). A support frame (7) is provided at each corner of the conductive silver paste raw material grinding machine body (1), a collecting hopper (10) is provided at the bottom of the collecting hopper (10), a discharge port (11) is provided at the bottom of the conductive silver paste raw material grinding machine body (1), an outer limiting slide groove (8) and an inner limiting slide groove (14) are provided below the front and rear ends of the conductive silver paste raw material grinding machine body (1), a large gear plate (22) is provided above the outer limiting slide groove (8), a small gear plate (26) is provided below the large gear plate (22), and the small gear plate (26) is connected to the large gear plate (22) through a connecting handle (24), a motor seat (5) is provided at the front end of the large gear plate (22), and a driving motor (6) is provided above the motor seat (5).

2. The conductive silver paste raw material grinding device according to claim 1, characterized in that: The sealing cover (3) is fixedly connected to the conductive silver paste raw material grinding machine body (1) via a first fixing bolt (2), and the feed trough (4) is connected to the sealing cover (3) by welding. Guide blocks (12) are provided on both sides of the interior of the feed trough (4), and the cross section of the guide blocks (12) is set as a triangular structure.

3. The conductive silver paste raw material grinding device according to claim 1, characterized in that: The cross section of the inner sleeve (13) is configured as a U-shaped structure, and the grinding roller (15) is connected to the inner sleeve (13) by sliding.

4. The conductive silver paste raw material grinding device according to claim 1, characterized in that: The small gear plate (26) is rotatably connected to the connecting handle (24) via a bearing, and the grinding roller (15) is fixedly connected to the connecting handle (24) via a fastener (25).

5. The conductive silver paste raw material grinding device according to claim 1, characterized in that: The connecting handle (24) is fixedly connected to the driving motor (6) via screws, and the connecting handle (24) is rotationally connected to the large gear plate (22) via a bearing, and the large gear plate (22) is fixedly connected to the conductive silver paste raw material grinding machine body (1) via a second fixing bolt (23).

6. The conductive silver paste raw material grinding device according to claim 1, characterized in that: The inner sealing plug (17) is connected to the conductive silver paste raw material grinding machine body (1) through an electric telescopic rod (18), and the collecting hopper (10) is connected to the conductive silver paste raw material grinding machine body (1) through an assembly plate (9). Fixed plates (27) are provided below both sides of the conductive silver paste raw material grinding machine body (1), and the assembly plate (9) and the fixed plate (27) are fixedly connected by locking bolts (21).

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