Mixing device for low-temperature co-fired ceramic dielectric material

Abstract

The utility model belongs to the technical field of mixing of low-temperature co-fired ceramic dielectric materials, and particularly relates to a mixing device of low-temperature co-fired ceramic dielectric materials, which comprises a mounting frame, a rectangular frame is fixedly mounted on the mounting frame, a screening box is mounted on the rectangular frame, a first feed port is arranged above the screening box, and a second feed port is arranged above the screening box. A first supporting frame is installed on the outer side face of the screening box, a first motor is installed on the first supporting frame, and the output end of the first motor is connected with a driving gear. The screening device is arranged in the smashing box to screen ceramic powder, the scraping rod piece is arranged in the stirring box, the bottom face in the stirring box is scraped through rotation of the arc-shaped rod piece, the overall yield of ceramic dielectric materials after mixing is improved, and the working efficiency is improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of mixing low-temperature co-fired ceramic dielectric materials, in particular to a mixing device for low-temperature co-fired ceramic dielectric materials. Background Art

[0002] Low-temperature co-fired ceramics (LTCCs) are a material technology widely used in the electronics industry, playing a particularly important role in radio frequency circuits, microwave circuits, and other high-frequency applications. LTCC materials form packaging substrates with excellent electrical, mechanical, and thermal stability by sintering multiple layers of ceramic and metal conductors at relatively low temperatures. In the manufacture of LTCC devices, the mixing device is one of the key steps, requiring the ceramic powder, glass powder, and organic binder to be uniformly mixed in specific proportions to ensure consistency in structure and performance during the sintering process.

[0003] In the prior art, a mixing device for low-temperature co-fired ceramic dielectric materials is composed of a motor, a stirring box, and a stirring shaft. The motor drives the stirring shaft to rotate, thereby achieving the work of mixing the ceramic dielectric materials.

[0004] In the current existing technology, the ceramic dielectric material mixing device has a low yield due to the lack of a screening device, and the ceramic powder on the inner wall of the bottom of the mixing box is prone to agglomeration. Therefore, a low-temperature co-fired ceramic dielectric material mixing device is proposed to solve the above problems. Utility Model Content

[0005] In order to make up for the shortcomings of the existing technology, the utility model proposes a mixing device for low-temperature co-fired ceramic dielectric materials to address the problems that the ceramic dielectric material mixing device has a low yield due to the lack of a screening device and the ceramic powder on the inner wall of the bottom of the mixing box is easy to agglomerate.

[0006] The technical solution adopted by the present invention to solve its technical problems is a mixing device for low-temperature co-fired ceramic dielectric materials, comprising a mounting frame, a rectangular frame fixedly mounted on the mounting frame, a screening box mounted on the rectangular frame, a first feed port provided above the screening box, a first support frame mounted on the outer surface of the screening box, a first motor mounted on the first support frame, an output end of the first motor connected to a driving gear, a side of the driving gear connected to a crushing wheel, the crushing wheel being mounted in the screening box, two groups of crushing wheels being provided, one end of the other group of crushing wheels being connected to a driven gear, the driven gear and the driving gear being engaged with each other in a gear transmission;

[0007] The outer side of the driven gear is provided with a driving pulley, and the driving pulley and the driven gear rotate coaxially. A rotating shaft is installed on the outer side of the screening box, and a driven pulley is rotatably installed on the rotating shaft. The driven pulley is located below the driving pulley, and the driven pulley is connected to the driving pulley through a belt transmission. A first sliding cavity is provided below the two groups of crushing wheels, and the first sliding cavity is fixedly installed in the screening box. A moving rod is provided below the first sliding cavity, and two groups of screen plates are installed on the moving rod, and multiple groups of screen holes are provided on the screen plate. A second sliding cavity is provided below the screen plate, and the second sliding cavity is fixedly connected to the bottom of the screening box.

[0008] Preferably, rectangular grooves are provided on both sides of the screening box, and slide grooves are provided on the inner walls of the rectangular grooves. Moving blocks are installed on both ends of the moving rod, and the moving block is located in the rectangular grooves. Slide blocks are connected on both sides of the moving block, and the slide blocks are slidably arranged in the slide grooves. A fixing ring is installed on the outer side of one end of the moving rod, and a cam is provided behind the driven pulley. The cam rotates coaxially with the driven pulley, and one end of the cam is located below the fixing ring when it rotates, thereby realizing screening of ceramic powder.

[0009] Preferably, rectangular grooves are provided on both sides of the screening box, and a collection box is slidably installed in the rectangular groove. One side of the collection box is located below the bottom side of the sieve plate. Two groups of collection boxes are provided, and handles are installed on the outside of the two groups of collection boxes to facilitate regular cleaning of unqualified ceramic powder.

[0010] Preferably, a transmission box is installed below the second sliding cavity, and a second feed port is provided on the transmission box, and the second feed port passes through the bottom of the second sliding cavity. A transmission cylinder is provided inside the transmission box, and a second support frame is installed on the outside of the transmission box. A second motor is installed on the second support frame, and the output end of the second motor is connected to a spiral transmission shaft, and the spiral transmission shaft is installed in the transmission cylinder. A second discharge port is installed below the bottom end of the transmission box away from the second motor to facilitate the transmission and stirring of ceramic powder.

[0011] Preferably, a circular frame is fixed on the mounting frame, a mixing box is installed on the circular frame, a third feed port is provided above the mixing box, the third feed port is located below the outer side of the second discharge port, a third support frame is installed in the middle position above the mixing box, a third motor is installed on the third support frame, the output end of the third motor is connected to a rotating shaft, the rotating shaft is installed inside the mixing box, a stirring rod is rotatably installed on the outer side of the rotating shaft, four groups of stirring rods are provided, a scraping rod is installed on the outer side of the bottom end of the rotating shaft, and the bottom of the scraping rod is set in an arc shape to clean the agglomerated powder at the bottom of the mixing box.

[0012] Preferably, a mixing box is installed on the circular frame, a first discharge port is installed below the mixing box, a control valve is provided on the first discharge port, one end of the control valve is connected to a runner, and the runner is located below the mixing box to discharge the mixed material.

[0013] The utility model is beneficial in that:

[0014] The utility model discloses a mixing device for low-temperature co-fired ceramic dielectric materials. In order to avoid the problem that the ceramic dielectric material mixing device has a low yield due to the lack of a screening device and the ceramic powder is easy to agglomerate on the inner wall of the bottom of the mixing box, a screening device is provided inside the crushing box, and a cam is rotated to realize the up and down movement of two groups of sieve plates to complete the screening of the ceramic powder. A scraping rod is provided inside the mixing box, and the arc-shaped rod is rotated to complete the scraping of the bottom surface of the mixing box, so as to prevent the ceramic powder from agglomerating at the bottom after mixing, thereby improving the overall yield of the ceramic dielectric material after mixing and improving the work efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0016] Figure 1 Schematic diagram of the overall structure of the mixing device;

[0017] Figure 2 It is an enlarged schematic diagram of the screening mechanism structure of the mixing device;

[0018] Figure 3 It is a schematic diagram of the internal structure of the screening box of the mixing device;

[0019] Figure 4 It is a schematic diagram of the structure of the transmission and stirring mechanism of the mixing device;

[0020] Figure 5 It is a schematic diagram of the overall structure of the mixing device;

[0021] Figure: 1, mounting frame; 2, rectangular frame; 3, circular frame; 4, screening box; 5, first support frame; 6, first motor; 7, driving gear; 8, driven gear; 9, first feed port; 10, driving pulley; 11, belt; 12, driven pulley; 13, cam; 14, collection box; 15, handle; 16, transfer box; 17, second support frame; 18, second motor; 19, crushing wheel; 20, first slide chamber; 21 , sieve plate; 22. Moving rod; 23. Second sliding cavity; 24. Moving block; 25. Fixed ring; 26. Slider; 27. Scraping rod; 28. Second feed port; 29. ​​First discharge port; 30. Rotating wheel; 31. Screw transmission shaft; 32. Second discharge port; 33. Third feed port; 34. Mixing box; 35. Third support frame; 36. Third motor; 37. Rotating shaft; 38. Mixing rod; 39. Chute; 40. Control valve. DETAILED DESCRIPTION

[0022] The following will be combined with the accompanying drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0023] See also Figure 1-5 As shown, a mixing device for low-temperature co-fired ceramic dielectric materials includes a mounting frame 1, a rectangular frame 2 is fixedly mounted on the mounting frame 1, a screening box 4 is mounted on the rectangular frame 2, a first feed port 9 is provided above the screening box 4, a first support frame 5 is mounted on the outer surface of the screening box 4, a first motor 6 is mounted on the first support frame 5, an output end of the first motor 6 is connected to a driving gear 7, a side of the driving gear 7 is connected to a crushing wheel 19, the crushing wheel 19 is mounted in the screening box 4, two groups of crushing wheels 19 are provided, one end of the other group of crushing wheels 19 is connected to a driven gear 8, and the driven gear 8 and the driving gear 7 are engaged with each other;

[0024] A driving pulley 10 is provided on the outer side of the driven gear 8, and the driving pulley 10 and the driven gear 8 rotate coaxially. A rotating shaft is installed on the outer side of the screening box 4, and a driven pulley 12 is rotatably installed on the rotating shaft. The driven pulley 12 is located below the driving pulley 10, and the driven pulley 12 is connected to the driving pulley 10 through a belt 11. A first sliding cavity 20 is provided below the two groups of crushing wheels 19, and the first sliding cavity 20 is fixedly installed in the screening box 4. A moving rod 22 is provided below the first sliding cavity 20, and two groups of sieve plates 21 are installed on the moving rod 22. The sieve plates 21 are provided with multiple groups of sieve holes, and a second sliding cavity 23 is provided below the sieve plate 21, and the second sliding cavity 23 is fixedly connected to the bottom of the screening box 4.

[0025] During operation, when the ceramic particles need to be crushed and screened, the first motor 6 is started, and the first motor 6 drives the driving gear 7 to rotate, and the driving gear 7 drives the driven gear 8 to rotate, thereby realizing the opposite rotation of the two sets of crushing wheels 19, completing the crushing operation of the ceramic particles, and the crushed ceramic particles slide through the first sliding cavity 20 to the top of the sieve plate 21, and fall into the second sliding cavity 23 after being screened by the sieve plate 21, thereby completing the output of ceramic powder and improving work efficiency.

[0026] Furthermore, rectangular grooves are provided on both sides of the screening box 4, and slide grooves 39 are provided on the inner walls of the rectangular grooves. Moving blocks 24 are installed on both ends of the moving rod 22, and the moving blocks 24 are located in the rectangular grooves. Slide blocks 26 are connected on both sides of the moving block 24, and the slide blocks 26 are slidably arranged in the slide grooves 39. A fixing ring 25 is installed on the outside of one end of the moving rod 22, and a cam 13 is provided behind the driven pulley 12. The cam 13 rotates coaxially with the driven pulley 12, and one end of the cam 13 is located below the fixing ring 25 when it rotates.

[0027] During operation, after the ceramic particles are crushed by the two sets of crushing wheels 19, the driven gear 8 rotates to drive the driving pulley 10 to rotate, the driving pulley 10 rotates and drives the driven pulley 12 to rotate through the belt 11, the driven pulley 12 rotates and drives the cam 13 to rotate, the rotation of the cam 13 causes the fixed ring 25 to move up and down, the fixed ring 25 moves up and down and drives the moving rod 22 to move up and down, the moving rod 22 moves and drives the two sets of sieve plates 21 to move up and down, thereby realizing the screening of ceramic powder, improving the overall quality of ceramic powder mixing, and improving work efficiency.

[0028] Furthermore, rectangular grooves are provided on both sides of the screening box 4, in which a collecting box 14 is slidably installed. One side of the collecting box 14 is located below the bottom side of the sieve plate 21. Two groups of collecting boxes 14 are provided, and handles 15 are installed on the outside of the two groups of collecting boxes 14.

[0029] During operation, after the ceramic powder is screened, unqualified ceramic powder slides through the sieve plate 21 into the collection box 14 below on both sides. The ceramic powder in the collection box 14 is cleaned regularly through the handle 15, thereby improving work efficiency.

[0030] Furthermore, a transmission box 16 is installed below the second sliding cavity 23, and a second feed port 28 is provided on the transmission box 16. The second feed port 28 passes through the bottom of the second sliding cavity 23. A transmission cylinder is provided inside the transmission box 16, and a second support frame 17 is installed on the outside of the transmission box 16. A second motor 18 is installed on the second support frame 17. The output end of the second motor 18 is connected to a spiral transmission shaft 31, and the spiral transmission shaft 31 is installed in the transmission cylinder. A second discharge port 32 is installed below the end of the bottom of the transmission box 16 away from the second motor 18.

[0031] During operation, when the screened ceramic powder enters the transmission box 16 through the second sliding cavity 23, the second motor 18 is started, and the second motor 18 drives the spiral transmission shaft 31 to rotate. The spiral transmission shaft 31 rotates to transfer the ceramic powder to the second discharge port 32, thereby realizing the automatic transmission of the ceramic powder and improving work efficiency.

[0032] Furthermore, a circular frame 3 is fixed on the mounting frame 1, and a mixing box 34 is installed on the circular frame 3. A third feed port 33 is provided above the mixing box 34, and the third feed port 33 is located below the outer side of the second discharge port 32. A third support frame 35 is installed in the middle position above the mixing box 34, and a third motor 36 is installed on the third support frame 35. The output end of the third motor 36 is connected to a rotating shaft 37, and the rotating shaft 37 is installed inside the mixing box 34. A stirring rod 38 is rotatably installed on the outer side of the rotating shaft 37, and four groups of stirring rods 38 are provided. A scraping rod 27 is installed on the outer side of the bottom end of the rotating shaft 37, and the bottom of the scraping rod 27 is set to an arc shape.

[0033] During operation, when the ceramic powder is transmitted to the mixing box 34 through the transmission box 16, the third motor 36 is started, and the rotation of the third motor 36 drives the rotating shaft 37 to rotate, and the rotation of the rotating shaft 37 drives the four sets of stirring rods 38 to rotate, thereby realizing the stirring of the ceramic powder. A scraping rod 27 is provided at the bottom end of the rotating shaft 37. When the rotating shaft 37 rotates, the scraping rod 27 completes the cleaning of the bottom inner wall of the mixing box 34 to prevent the ceramic powder from adhering to the bottom of the mixing box 34 and agglomerating, thereby improving work efficiency.

[0034] Furthermore, a mixing box 34 is installed on the circular frame 3, and a first discharge port 29 is installed below the mixing box 34. A control valve 40 is provided on the first discharge port 29. One end of the control valve 40 is connected to a runner 30, and the runner 30 is located below the mixing box 34.

[0035] During operation, after the ceramic powder has been stirred, the rotor 30 is rotated and the control valve 40 is opened to discharge the ceramic powder, thereby improving working efficiency.

[0036] Working principle: When it is necessary to crush and screen the ceramic particles, start the first motor 6, the first motor 6 drives the driving gear 7 to rotate, the driving gear 7 rotates and drives the driven gear 8 to rotate, thereby realizing the opposite rotation of the two sets of crushing wheels 19, completing the crushing operation of the ceramic particles, the crushed ceramic particles slide through the first sliding cavity 20 to the top of the sieve plate 21, and fall into the second sliding cavity 23 after being screened by the sieve plate 21. When the ceramic particles are crushed after passing through the two sets of crushing wheels 19, the driven gear 8 rotates to drive the driving pulley 10 to rotate, and the main The driven pulley 10 rotates through the belt 11 to drive the driven pulley 12 to rotate, and the driven pulley 12 rotates to drive the cam 13 to rotate. The rotation of the cam 13 causes the fixed ring 25 to move up and down. The fixed ring 25 moves up and down to drive the moving rod 22 to move up and down. The movement of the moving rod 22 drives the two sets of sieve plates 21 to move up and down, thereby realizing the screening of ceramic powder. When the ceramic powder is screened, the unqualified ceramic powder slides through the sieve plate 21 into the collection box 14 at the bottom of both sides. The ceramic powder in the collection box 14 is regularly cleaned through the handle 15;

[0037] When the screened ceramic powder enters the transmission box 16 through the second sliding cavity 23, the second motor 18 is started, and the second motor 18 drives the spiral transmission shaft 31 to rotate. The spiral transmission shaft 31 rotates to transfer the ceramic powder to the second discharge port 32. When the ceramic powder is transferred to the mixing box 34 through the transmission box 16, the third motor 36 is started, and the third motor 36 rotates to drive the rotating shaft 37 to rotate. The rotation of the rotating shaft 37 drives the four groups of stirring rods 38 to rotate, thereby realizing the stirring of the ceramic powder. A scraping rod 27 is provided at the bottom end of the rotating shaft 37. When the rotating shaft 37 rotates, the scraping rod 27 completes the cleaning of the bottom inner wall of the mixing box 34 to prevent the ceramic powder from adhering to the bottom of the mixing box 34 and agglomerating. When the ceramic powder is completed stirring, the discharge of the ceramic powder is completed by rotating the wheel 30 and opening the control valve 40.

[0038] Throughout this specification, references to terms such as "one embodiment," "example," or "specific example" indicate that a specific feature, structure, material, or characteristic described in conjunction with that embodiment or example is included in at least one embodiment or example of the present invention. In this specification, schematic representations of these terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

[0039] The above shows and describes the basic principles, main features and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited to the above embodiments. The above embodiments and descriptions are merely illustrative of the principles of the present invention. Various changes and improvements may be made to the present invention without departing from the spirit and scope of the present invention, and such changes and improvements fall within the scope of the present invention as claimed.

Claims

1. A mixing device for low-temperature co-fired ceramic dielectric materials, characterized by: The invention comprises a mounting frame (1), a rectangular frame (2) is fixedly mounted on the mounting frame (1), a screening box (4) is mounted on the rectangular frame (2), a first feed port (9) is arranged above the screening box (4), a first support frame (5) is mounted on the outer surface of the screening box (4), a first motor (6) is mounted on the first support frame (5), an output end of the first motor (6) is connected to a driving gear (7), a side of the driving gear (7) is connected to a crushing wheel (19), the crushing wheel (19) is mounted in the screening box (4), two groups of crushing wheels (19) are provided, one end of the other group of crushing wheels (19) is connected to a driven gear (8), and the driven gear (8) and the driving gear (7) are gear meshing transmission; A driving pulley (10) is provided on the outer side of the driven gear (8), and the driving pulley (10) and the driven gear (8) rotate coaxially. A rotating shaft is installed on the outer side of the screening box (4), and a driven pulley (12) is rotatably installed on the rotating shaft. The driven pulley (12) is located below the driving pulley (10), and the driven pulley (12) is connected to the driving pulley (10) through a belt (11). A first sliding cavity (20) is provided below the two groups of crushing wheels (19), and the first sliding cavity (20) is fixedly installed in the screening box (4). A moving rod (22) is provided below the first sliding cavity (20), and two groups of screen plates (21) are installed on the moving rod (22). The screen plates (21) are provided with multiple groups of screen holes. A second sliding cavity (23) is provided below the screen plates (21), and the second sliding cavity (23) is fixedly connected to the bottom of the screening box (4).

2. The mixing device for low-temperature co-fired ceramic dielectric materials according to claim 1, characterized in that: Rectangular grooves are provided on both sides of the screening box (4), and a slide groove (39) is provided on the inner wall of the rectangular groove. Moving blocks (24) are installed on both ends of the moving rod (22), and the moving block (24) is located in the rectangular groove. Slide blocks (26) are connected to both sides of the moving block (24), and the slide blocks (26) are slidably provided in the slide groove (39). A fixing ring (25) is installed on the outer side of one end of the moving rod (22), and a cam (13) is provided behind the driven pulley (12). The cam (13) rotates coaxially with the driven pulley (12), and one end of the cam (13) is located below the fixing ring (25) when it rotates.

3. The mixing device for low-temperature co-fired ceramic dielectric materials according to claim 2, characterized in that: Rectangular grooves are provided on both sides of the screening box (4), and a collecting box (14) is slidably installed in the rectangular groove. One side of the collecting box (14) is located below the bottom side of the sieve plate (21). Two groups of collecting boxes (14) are provided, and handles (15) are installed on the outside of the two groups of collecting boxes (14).

4. The mixing device for low-temperature co-fired ceramic dielectric materials according to claim 3, characterized in that: A transmission box (16) is installed below the second sliding cavity (23), and a second feed port (28) is provided on the transmission box (16). The second feed port (28) passes through the bottom of the second sliding cavity (23). A transmission cylinder is provided inside the transmission box (16), and a second support frame (17) is installed on the outside of the transmission box (16). A second motor (18) is installed on the second support frame (17). The output end of the second motor (18) is connected to a spiral transmission shaft (31), and the spiral transmission shaft (31) is installed in the transmission cylinder. A second discharge port (32) is installed below the end of the bottom of the transmission box (16) away from the second motor (18).

5. The mixing device for low-temperature co-fired ceramic dielectric materials according to claim 4, characterized in that: A circular frame (3) is fixed on the mounting frame (1), a stirring box (34) is mounted on the circular frame (3), a third feed port (33) is arranged above the stirring box (34), the third feed port (33) is located below the outer side of the second discharge port (32), a third support frame (35) is mounted in the middle position above the stirring box (34), a third motor (36) is mounted on the third support frame (35), an output end of the third motor (36) is connected to a rotating shaft (37), the rotating shaft (37) is mounted inside the stirring box (34), a stirring rod (38) is rotatably mounted on the outer side of the rotating shaft (37), four groups of stirring rods (38) are arranged, a scraping rod (27) is mounted on the outer side of the bottom end of the rotating shaft (37), and the bottom of the scraping rod (27) is arranged in an arc shape.

6. The mixing device for low-temperature co-fired ceramic dielectric materials according to claim 5, characterized in that: A mixing box (34) is installed on the circular frame (3), a first discharge port (29) is installed below the mixing box (34), a control valve (40) is provided on the first discharge port (29), one end of the control valve (40) is connected to a runner (30), and the runner (30) is located below the mixing box (34).

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