Powder mixing device for producing aluminum oxide ceramic microspheres

Abstract

The utility model discloses a powder mixing device for producing alumina ceramic microspheres, which relates to the technical field of alumina ceramic microsphere production and comprises a mixing tank, a top cover is arranged at the top end of the mixing tank, the surface of the top cover is connected with a powder mixing unit, a discharge port is arranged at the bottom end of the mixing tank, and the powder mixing unit is connected with the discharge port. According to the device, through cooperation of a driving motor, a driving gear, a connecting gear, a connecting sleeve and a stirring scraping rod, the inner side wall of the mixing tank can be scraped while powder is stirred and mixed, uneven mixing caused by adhesion of the powder is prevented, waste of the powder is prevented, and the device is suitable for popularization and application. And through cooperation of a sliding seat, a sliding block, a clamping groove, a supporting plate, a connecting spring and a limiting groove, the fixing form of the stirring scraping rod can be conveniently adjusted, dismounting and separation of the stirring scraping rod and the mixing tank are convenient, the mounting efficiency is improved, and cleaning of the mixing tank is convenient.

Description

Technical Field

[0001] The utility model relates to the field of alumina ceramic microsphere production, in particular to a powder mixing device for producing alumina ceramic microspheres. Background Technique

[0002] In the processing and production process of alumina ceramic microspheres, it is necessary to fully mix a variety of required powders. The mixing of powders needs to be continuously stirred after different powders are added to ensure the uniformity of mixing, so as to improve the production quality of alumina ceramic microspheres. For example, a Chinese patent discloses a powder mixing device for preparing alumina ceramic microspheres (publication number CN217699002U). Although this mixing device can expand the stirring range of alumina raw materials and increase the degree of mixing uniformity, a large amount of powder adheres to the inner side wall of the mixing tank, making it difficult to fully stir and mix, which not only affects the mixing uniformity but also causes waste of powder. Content of the Utility Model

[0003] Aiming at the deficiencies of the prior art, the utility model provides a powder mixing device for producing alumina ceramic microspheres, which solves the problems put forward in the above background technique.

[0004] To achieve the above object, the utility model is realized through the following technical solutions: A powder mixing device for producing alumina ceramic microspheres, including a mixing tank, a top cover is arranged at the top end of the mixing tank, a powder mixing unit is connected to the surface of the top cover, and a discharge port is arranged at the bottom end of the mixing tank;

[0005] The powder mixing unit includes a connecting sleeve, a fixing seat is connected to the outer surface of the bottom end of the connecting sleeve, a movable seat is connected to the outer surface of the upper end of the connecting sleeve, an adjusting rod is connected to the inner side wall of the movable seat and located on the inner side wall of the connecting sleeve, four movable connecting rods are annularly connected between the movable seat and the fixing seat, a stirring scraping rod is connected to the connection part of two of the movable connecting rods, and two guiding grooves are opened at the corresponding positions of the outer surface of the connecting sleeve and the sliding path of the movable seat.

[0006] As a further technical solution of the utility model, a driving motor is connected to the top surface of the top cover, a driving gear is connected to the driving end of the driving motor, a connecting gear is arranged on the outer surface of the connecting sleeve and located on the top surface of the driving motor, and the driving gear and the connecting gear are meshed with each other.

[0007] As a further technical solution of the utility model, a support seat is connected to the outer surface of the connecting sleeve and located above the top cover, two guiding rods are annularly connected to the top surface of the support seat, a support plate is connected to the top surface of the adjusting rod, and through holes are correspondingly opened on the surface of the support plate and both guiding rods.

[0008] As a further technical solution of the present utility model, connecting springs are connected to the outer surfaces of the two guide rods and located between the support plate and the support base. A sliding seat is arranged on the top surface of the support plate, and two sliders are connected to the inner side wall of the sliding seat.

[0009] As a further technical solution of the present utility model, chutes are opened at the corresponding positions of the inner side wall of the sliding seat and the sliding paths of the two sliders. Engaging grooves are opened at one ends of the two sliders, and limiting grooves are correspondingly opened on the outer surfaces of the two guide rods and corresponding to the engaging grooves.

[0010] As a further technical solution of the present utility model, the stirring and scraping rod is connected to the connecting sleeve through the movable connecting rod, the fixed seat and the movable seat. The inner diameter dimension of the guide groove is adapted to the sliding path of the movable seat, and the stirring and scraping rod is connected to the driving gear through the connecting sleeve and the connecting gear.

[0011] As a further technical solution of the present utility model, the inner diameter dimension of the connecting sleeve is adapted to the outer diameter dimension of the adjusting rod. The inner diameter dimension of the chute is adapted to the sliding path of the slider. The adjusting rod is connected to the support base through the support plate and the connecting spring. The inner diameter dimension of the limiting groove is adapted to the inner diameter dimension of the engaging groove.

[0012] The present utility model provides a powder mixing device for producing alumina ceramic microspheres, which has the following beneficial effects compared with the prior art:

[0013] 1. The powder mixing device for producing alumina ceramic microspheres in this design, through the cooperation between the driving motor, the driving gear, the connecting gear, the connecting sleeve and the stirring and scraping rod, can scrape the inner side wall of the mixing tank while stirring and mixing the powder, prevent the uneven mixing caused by the sticking of the powder, and prevent the waste of the powder.

[0014] 2. The powder mixing device for producing alumina ceramic microspheres in this design, through the cooperation between the sliding seat, the slider, the engaging groove, the support plate, the connecting spring and the limiting groove, can conveniently adjust the fixed form of the stirring and scraping rod, facilitate the disassembly and separation of the stirring and scraping rod from the mixing tank, improve the installation efficiency and facilitate the cleaning of the mixing tank. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 is a schematic structural diagram of a powder mixing device for producing alumina ceramic microspheres;

[0016] Figure 2 is a left view of a powder mixing device for producing alumina ceramic microspheres;

[0017] Figure 3 is a powder mixing device for producing alumina ceramic microspheres Figure 2The A-A cross-sectional view in;

[0018] Figure 4 It is a schematic exploded view of a powder mixing unit of a powder mixing device for producing alumina ceramic microspheres;

[0019] Figure 5 For a powder mixing device for producing alumina ceramic microspheres Figure 4 The enlarged view of A in.

[0020] In the figure: 1, mixing tank; 2, top cover; 21, driving motor; 22, driving gear; 3, discharge port; 4, powder mixing unit; 41, connecting sleeve; 42, fixed seat; 43, movable seat; 44, movable connecting rod; 45, stirring and scraping rod; 46, guiding groove; 47, adjusting rod; 48, connecting gear; 49, supporting seat; 401, supporting plate; 402, guiding rod; 403, connecting spring; 404, sliding seat; 405, slider; 406, sliding groove; 407, engaging groove; 408, limiting groove. Specific embodiments

[0021] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0022] Please refer to Figures 1-4 , the present invention provides a technical solution for a powder mixing device for producing alumina ceramic microspheres: including a mixing tank 1: a top cover 2 is arranged at the top end of the mixing tank 1, a powder mixing unit 4 is connected to the surface of the top cover 2, a discharge port 3 is arranged at the bottom end of the mixing tank 1, the powder mixing unit 4 includes a connecting sleeve 41, a fixed seat 42 is connected to the outer surface of the bottom end of the connecting sleeve 41, a movable seat 43 is connected to the outer surface of the upper end of the connecting sleeve 41, an adjusting rod 47 is connected to the inner side wall of the movable seat 43 and located inside the inner side wall of the connecting sleeve 41, four movable connecting rods 44 are annularly connected between the movable seat 43 and the fixed seat 42, a stirring and scraping rod 45 is connected to the connection part of two movable connecting rods 44, and two guiding grooves 46 are opened at the corresponding positions of the outer surface of the connecting sleeve 41 and the sliding path of the movable seat 43.

[0023] Such as Figures 1-3As shown in the figure, a driving motor 21 is connected to the top surface of the top cover 2. The driving end of the driving motor 21 is connected to a driving gear 22. A connecting gear 48 is arranged on the outer surface of the connecting sleeve 41 and on the top surface of the driving motor 21. The driving gear 22 and the connecting gear 48 are meshed with each other. The stirring and scraping rod 45 is connected to the connecting sleeve 41 through a movable connecting rod 44, a fixed seat 42 and a movable seat 43. The inner diameter dimension of the guiding groove 46 is adapted to the sliding path of the movable seat 43. The stirring and scraping rod 45 is connected to the driving gear 22 through the connecting sleeve 41 and the connecting gear 48. It should be noted that the driving motor 21 can drive the rotation of the connecting sleeve 41 and the four stirring and scraping rods 45 through the driving gear 22 and the connecting gear 48 to achieve the stirring effect, and can scrape the powder adhered to the inner side wall of the mixing tank 1 while stirring, preventing uneven mixing caused by powder adhesion and waste of powder.

[0024] As Figures 3-5 shown, a support seat 49 is connected to the outer surface of the connecting sleeve 41 and above the top cover 2. Two guiding rods 402 are annularly connected to the top surface of the support seat 49. A support plate 401 is connected to the top surface of the adjusting rod 47. Through holes are correspondingly formed on the surface of the support plate 401 and the two guiding rods 402. Connecting springs 403 are connected to the outer surfaces of the two guiding rods 402 and between the support plate 401 and the support seat 49. A sliding seat 404 is arranged on the top surface of the support plate 401. Two sliding blocks 405 are connected to the inner side wall of the sliding seat 404. A sliding groove 406 is formed at the corresponding position of the inner side wall of the sliding seat 404 and the sliding paths of the two sliding blocks 405. Engaging grooves 407 are formed at one ends of the two sliding blocks 405. Limiting grooves 408 are correspondingly formed on the outer surfaces of the two guiding rods 402 and corresponding to the engaging grooves 407. The inner diameter dimension of the connecting sleeve 41 is adapted to the outer diameter dimension of the adjusting rod 47. The inner diameter dimension of the sliding groove 406 is adapted to the sliding path of the sliding block 405. The adjusting rod 47 is connected to the support seat 49 through the support plate 401 and the connecting spring 403. The inner diameter dimension of the limiting groove 408 is adapted to the inner diameter dimension of the engaging groove 407. It should be noted that the engagement of the engaging grooves 407 of the two sliding blocks 405 and the limiting grooves 408 can adjust the fixed positions of the adjusting rod 47 and the movable seat 43, so as to facilitate the disassembly and assembly of the stirring and scraping rod 45 from the inner side wall of the mixing tank 1 and facilitate the cleaning of the mixing tank 1.

[0025] The working principle of the present utility model is as follows: Start the driving motor 21, drive the rotation of the connecting gear 48 through the driving gear 22, so that the connecting sleeve 41 drives the four stirring and scraping rods 45 to continuously rotate on the inner side wall of the mixing tank 1, and during the process of stirring and mixing the powder, the powder adhered to the inner side wall of the mixing tank 1 is also scraped, improving the mixing uniformity and preventing waste of powder;

[0026] Slide both sliders 405 inward along the chute 406 so that the engaging grooves 407 at one end of the sliders 405 are separated from the limiting grooves 408 on the outer surface of the guide rod 402. The two connecting springs 403 drive the support plate 401 and the adjusting rod 47 to slide upward along the inner wall of the connecting sleeve 41, and also make the movable seat 43 slide upward along the outer surface of the connecting sleeve 41, driving the movable connecting rod 44 to contract, and the stirring and scraping rod 45 is separated from the inner wall of the mixing tank 1, then the cleaning of the mixing tank 1 can be carried out.

[0027] The above is only the preferred embodiment of the present utility model. It should be pointed out that for those of ordinary skill in the art of this technology, without departing from the principle of the present utility model, several improvements and refinements can be made, and these improvements and refinements should also be regarded as the protection scope of the present utility model. The structures, devices and operation methods not specifically described and explained in the present utility model, unless otherwise specified and limited, are implemented according to the conventional means in this field.

Claims

1. A powder mixing device for producing alumina ceramic microspheres, characterized in that: It comprises a mixing tank (1): a top cover (2) is arranged at the top of the mixing tank (1), a powder mixing unit (4) is connected to the surface of the top cover (2), and a discharge port (3) is arranged at the bottom of the mixing tank (1); The powder mixing unit (4) comprises a connecting sleeve (41), the outer surface of the bottom end of the connecting sleeve (41) is connected to a fixed seat (42), the outer surface of the upper end of the connecting sleeve (41) is connected to a movable seat (43), an inner wall of the movable seat (43) and located on the inner wall of the connecting sleeve (41) is connected to an adjusting rod (47), four movable connecting rods (44) are connected in a ring shape between the movable seat (43) and the fixed seat (42), a stirring scraper (45) is connected at the connection point of two of the movable connecting rods (44), and two guide grooves (46) are provided at the outer surface of the connecting sleeve (41) and at the corresponding positions of the sliding path of the movable seat (43).

2. A powder mixing device for producing alumina ceramic microspheres according to claim 1, characterized in that: The top surface of the top cover (2) is connected to a driving motor (21), the driving end of the driving motor (21) is connected to a driving gear (22), and a connecting gear (48) is provided on the outer surface of the connecting sleeve (41) and located on the top surface of the driving motor (21), and the driving gear (22) and the connecting gear (48) are meshed.

3. A powder mixing device for producing alumina ceramic microspheres according to claim 1, characterized in that: A support seat (49) is connected to the outer surface of the connecting sleeve (41) and is located above the top cover (2); the top surface of the support seat (49) is annularly connected to two guide rods (402); the top surface of the adjusting rod (47) is connected to a support plate (401); and through holes are provided on the surface of the support plate (401) and the two guide rods (402) correspondingly.

4. A powder mixing device for producing alumina ceramic microspheres according to claim 3, characterized in that: A connecting spring (403) is connected to the outer surfaces of the two guide rods (402) and is located between the support plate (401) and the support seat (49); a sliding seat (404) is provided on the top surface of the support plate (401); and two sliding blocks (405) are connected to the inner side wall of the sliding seat (404).

5. A powder mixing device for producing alumina ceramic microspheres according to claim 4, characterized in that: A sliding groove (406) is provided on the inner side wall of the sliding seat (404) at a position corresponding to the sliding path of the two sliding blocks (405), a snap-fit ​​groove (407) is provided at one end of the two sliding blocks (405), and a limiting groove (408) is provided on the outer surface of the two guide rods (402) corresponding to the snap-fit ​​groove (407).

6. A powder mixing device for producing alumina ceramic microspheres according to claim 2, characterized in that: The stirring scraper rod (45) is connected to the connecting sleeve (41) via a movable connecting rod (44), a fixed seat (42) and a movable seat (43); the inner diameter of the guide groove (46) is adapted to the sliding path of the movable seat (43); and the stirring scraper rod (45) is connected to the driving gear (22) via the connecting sleeve (41) and a connecting gear (48).

7. A powder mixing device for producing alumina ceramic microspheres according to claim 5, characterized in that: The inner diameter of the connecting sleeve (41) matches the outer diameter of the adjusting rod (47); the inner diameter of the sliding groove (406) matches the sliding path of the sliding block (405); the adjusting rod (47) is connected to the supporting seat (49) via the supporting plate (401) and the connecting spring (403); and the inner diameter of the limiting groove (408) matches the inner diameter of the locking groove (407).

Images