Stirring device of powder pressing forming machine

Abstract

The utility model relates to the technical field of stirring equipment, in particular to a stirring device of a powder pressing forming machine, which is used for screening materials during feeding, ensuring the product quality, improving the stirring effect and avoiding precipitation. Comprising a stirring box, a discharging pipe, a transmission, a first driving motor, a reciprocating lead screw, a feeding assembly, a stirring assembly and a supporting assembly, a feeding opening is formed in the top end of the stirring box, the discharging pipe is connected to the left end of the bottom of the stirring box, a discharging valve is arranged on the discharging pipe, and the transmission is fixedly installed in the middle of the bottom end of the stirring box; the output end of the transmission is connected with the output end of the first driving motor, the output end of the transmission penetrates through the bottom end of the stirring box to be connected with a reciprocating screw rod, the feeding assembly is installed at a feeding opening in the top end of the stirring box, the stirring assembly is installed in the stirring box and installed on the reciprocating screw rod, and the supporting assembly is installed on the outer wall of the lower portion of the stirring box.

Description

Technical Field

[0001] The utility model relates to the technical field of stirring equipment, in particular to a stirring device of a powder molding machine. Background Art

[0002] Molding pressing is to add powdery or granular resin into the metal mold cavity of a press, make it fill the whole mold cavity under the action of pressure, and then obtain a preform after pressurizing and demolding. The preform is then put into a sintering furnace and heated and sintered into a finished product. Therefore, during production, it is necessary to uniformly stir the powder to obtain high-quality powder with sufficient stirring, which can effectively improve the forming effect. A powder molding press automatic stirring device disclosed in the prior art publication number CN206500069U includes a powder molding machine and an automatic stirring device. An upper feeding port, a filtering device, an automatic stirring device, a cabinet body, a pressing and molding box, a shock absorber, an alarm indicator light, a touch display screen, a control electrical cabinet, a frame, and a base are installed on the device body. A stirring barrel is installed inside the device body, and a stirring main shaft, a stirring support, a first driving track, and a second driving track are installed on the stirring barrel. Stirring vanes, a stirring vane track groove, a stirring main shaft fixing part, a stirring vane main shaft, and a stirring support guide wheel are installed on the stirring support. However, feeding is performed from a fixed position above, and after feeding, all the powdery materials fall from one direction, resulting in poor stirring effect, easy precipitation, inability to screen the powder, easy unqualified product quality, and increased cost. Summary of the Utility Model

[0003] To solve the above technical problems, the utility model provides a stirring device of a powder molding machine that screens materials during feeding, ensures product quality, improves the stirring effect, and avoids precipitation.

[0004] A stirring device of a powder molding machine of the utility model includes a stirring box, a discharge pipe, a transmission, a first driving motor, a reciprocating lead screw, a feeding component, a stirring component, and a supporting component. An inlet is opened at the top end of the stirring box, the left end of the bottom of the stirring box is connected with a discharge pipe, and a discharge valve is arranged on the discharge pipe. The transmission is fixedly installed in the middle of the bottom end of the stirring box, the output end of the transmission is connected with the output end of the first driving motor, the output end of the transmission passes through the bottom end of the stirring box and is connected with a reciprocating lead screw. The feeding component is installed at the inlet at the top end of the stirring box, the stirring component is installed inside the stirring box and on the reciprocating lead screw, and the supporting component is installed on the outer wall of the lower part of the stirring box; the equipment is supported by the supporting component to ensure the stability during use of the equipment. Materials are added into the stirring box through the feeding component to make the materials enter evenly, screen the materials during feeding to ensure product quality, start the first driving motor to drive the reciprocating lead screw to rotate through the transmission, and make the stirring component stir the materials to improve the stirring effect and avoid precipitation.

[0005] Preferably, the stirring assembly includes a moving block, a plurality of second driving motors, a plurality of rotating rods, a plurality of stirring rods and a plurality of second stirring rods. The middle part of the moving block is screwed on the outer wall of the reciprocating lead screw. A plurality of installation cavities are evenly formed inside the moving block. The plurality of second driving motors are fixed in the installation cavities. The output end of the second driving motor passes through the installation cavity and is connected with a rotating rod. A plurality of stirring rods are evenly installed on the outer wall of the rotating rod. Second stirring rods are installed on the stirring rods. The first driving motor drives the reciprocating lead screw to rotate through a transmission. By cooperating with the moving block, it drives the rotating rod to move up and down. At the same time, the second driving motor is started to drive the rotating rod to rotate. The rotating rod drives the stirring rods and the second stirring rods to rotate, so as to uniformly mix the materials, ensure the stirring effect on the materials and improve the stirring quality.

[0006] Preferably, it further includes a scraping ring and a plurality of limiting rods. The plurality of limiting rods are axially installed on the inner wall of the mixing tank. The scraping ring is slidably installed on the outer wall of the mixing tank and is slidably matched with the limiting rods. One end of the rotating rod is rotatably connected to the inner wall of the scraping ring. When the rotating rod rotates, it rotates on the scraping ring. At the same time, when the rotating rod moves up and down, it drives the scraping ring to cooperate with the limiting rods to slide on the outer wall of the mixing tank, ensuring the stability during use and scraping the outer wall of the mixing tank to reduce material waste.

[0007] Preferably, the feeding assembly includes a fixing plate, a feeding pipe, a feeding hopper, a second transmission, a vertical rod, a spiral conveying blade and a screening assembly. The fixing plate is connected inside the top feeding port of the mixing tank through a plurality of support rods. The feeding pipe is installed at the top feeding position of the mixing tank. The input end of the feeding pipe is connected with a feeding hopper. The second transmission is installed at the bottom of the fixing plate. The input end of the second transmission is connected to the top of the reciprocating lead screw. The output end of the second transmission passes through the fixing plate and is connected with a vertical rod. A spiral conveying blade is installed on the outer wall of the vertical rod. The material is added to the feeding hopper for temporary storage. When the reciprocating lead screw rotates, it drives the vertical rod to rotate through the second transmission. The vertical rod drives the spiral conveying blade to rotate, conveying the material downward, so that the material is evenly input into the inner top end of the mixing tank through the plurality of support rods, avoiding the material falling at one position, resulting in poor stirring effect and precipitation.

[0008] Preferably, the screening assembly includes a retaining ring, a screening mesh, a collar and two pushing plates. The retaining ring is fixedly installed on the inner wall of the feeding hopper. A circular hole is provided in the middle of the screening mesh and is clamped on the retaining ring through the vertical rod. The collar is sleeved on the upper end of the vertical rod. The left and right ends of the collar are fixedly connected with pushing plates. The bottom end of the pushing plate contacts the top of the screening mesh. After the material is poured into the feeding hopper, the material is screened through the screening mesh. When the vertical rod rotates, it drives the pushing plates to rotate through the collar, pushing the material on the top of the screening mesh to improve the screening efficiency. Pull the collar to remove the pushing plates from the vertical rod, and the screening mesh can be removed from the retaining ring for cleaning to ensure the screening effect.

[0009] Preferably, the support assembly includes a plurality of legs, a plurality of connecting plates, a plurality of dampers, a plurality of friction plates and a plurality of springs. The plurality of legs are evenly axially installed on the lower outer wall of the mixing tank. A connecting plate is connected to the bottom end of the leg. A damper is connected to the bottom end of the connecting plate. A friction plate is connected to the bottom end of the damper. The spring is sleeved on the outer wall of the damper. The equipment is supported by the legs, and the vibration generated during operation is absorbed and buffered through the cooperation of the damper and the spring, ensuring the stability during use.

[0010] Preferably, it further includes a material guiding ring and a conical block. The material guiding ring is fixedly installed at the inner bottom end of the mixing tank, and the conical block is installed in the middle of the bottom end of the mixing tank. The material is guided through the material guiding ring and the conical block to ensure the discharging effect of the material.

[0011] Compared with the prior art, the beneficial effects of the present utility model are as follows: The equipment is supported by the support assembly to ensure the stability during use of the equipment. The material is added into the mixing tank through the feeding assembly, enabling the material to enter evenly. The material is screened during feeding to ensure the product quality. The first driving motor is started to drive the reciprocating lead screw to rotate through the transmission, so that the mixing assembly mixes the material, improving the mixing effect and avoiding precipitation. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 is the structural schematic diagram of the present utility model;

[0013] Figure 2 is the lower structural schematic diagram of the present utility model;

[0014] Figure 3 is the internal structural schematic diagram of the present utility model;

[0015] Figure 4 is the front view sectional structural schematic diagram of the present utility model;

[0016] Figure 5 is the top view sectional structural schematic diagram of the present utility model;

[0017] Reference numerals in the drawings: 1, mixing tank; 2, discharge pipe; 3, transmission; 4, first driving motor; 5, reciprocating lead screw; 6, moving block; 7, second driving motor; 8, rotating rod; 9, stirring rod; 10, second stirring rod; 11, scraping ring; 12, limiting rod; 13, fixing plate; 14, support rod; 15, feed pipe; 16, feed hopper; 17, second transmission; 18, vertical rod; 19, spiral conveyor blade; 20, retaining ring; 21, screening mesh; 22, collar; 23, pushing plate; 24, leg; 25, connecting plate; 26, damper; 27, friction plate; 28, spring; 29, material guiding ring; 30, conical block. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0018] To facilitate the understanding of the present utility model, the present utility model will be described more comprehensively with reference to the relevant attached drawings. The present utility model can be implemented in many different forms and is not limited to the embodiments described herein. On the contrary, these embodiments are provided to make the disclosure of the present utility model more thorough and comprehensive.

[0019] Embodiment 1

[0020] As Figure 1 、 Figure 2 、 Figure 3 and Figure 5 shown, a feed inlet is provided at the top of the stirring tank 1. The left end of the bottom of the stirring tank 1 is connected with a discharge pipe 2, and a discharge valve is arranged on the discharge pipe 2. The transmission 3 is fixedly installed in the middle of the bottom end of the stirring tank 1. The output end of the transmission 3 is connected with the output end of the first driving motor 4. The output end of the transmission 3 passes through the bottom end of the stirring tank 1 and is connected with a reciprocating lead screw 5. The middle part of the moving block 6 is screwed on the outer wall of the reciprocating lead screw 5. A plurality of installation cavities are evenly opened inside the moving block 6. A plurality of second driving motors 7 are fixed in the installation cavities. The output end of the second driving motor 7 passes through the installation cavity and is connected with a rotating rod 8. A plurality of stirring rods 9 are evenly installed on the outer wall of the rotating rod 8. A second stirring rod 10 is installed on the stirring rod 9. A plurality of limiting rods 12 are axially installed on the inner wall of the stirring tank 1. A scraping ring 11 is slidably installed on the outer wall of the stirring tank 1 and is slidably matched with the limiting rod 12. One end of the rotating rod 8 is rotatably connected with the inner wall of the scraping ring 11. The fixing plate 13 is connected in the top feed inlet of the stirring tank 1 through a plurality of support rods 14. The feed pipe 15 is installed at the top feed of the stirring tank 1. The input end of the feed pipe 15 is connected with a feed hopper 16. The second transmission 17 is installed at the bottom of the fixing plate 13. The input end of the second transmission 17 is connected with the top of the reciprocating lead screw 5. The output end of the second transmission 17 passes through the fixing plate 13 and is connected with a vertical rod 18. A spiral conveying blade 19 is installed on the outer wall of the vertical rod 18;

[0021] The material is added into the feeding hopper 16 for temporary storage. When the reciprocating lead screw 5 rotates, it drives the vertical rod 18 to rotate through the second transmission 17. The vertical rod 18 drives the spiral conveying blade 19 to rotate, conveying the material downward, and enabling the material to be evenly input into the inner top of the mixing tank 1 through multiple support rods 14, avoiding the material falling at one position, resulting in poor mixing effect and sedimentation. The first driving motor 4 drives the reciprocating lead screw 5 to rotate through the transmission 3. By cooperating with the moving block 6, it drives the rotating rod 8 to move up and down. At the same time, the second driving motor 7 is started to drive the rotating rod 8 to rotate. The rotating rod 8 drives the stirring rod 9 and the second stirring rod 10 to rotate, evenly mixing the material, ensuring the mixing effect of the material and improving the mixing quality. When the rotating rod 8 rotates, it rotates on the scraping ring 11. At the same time, when the rotating rod 8 moves up and down, it drives the scraping ring 11 to cooperate with the limiting rod 12 to slide on the outer wall of the mixing tank 1, ensuring the stability during use, scraping the outer wall of the mixing tank 1, and reducing material waste.

[0022] Embodiment 2

[0023] As Figure 1 and Figure 4 shown, on the basis of Embodiment 1, it further includes a retaining ring 20 fixedly installed on the inner wall of the feeding hopper 16. A circular hole is provided in the middle of the screening mesh 21, which passes through the vertical rod 18 and is clamped on the retaining ring 20. A collar 22 is sleeved on the upper end of the vertical rod 18. The left and right ends of the collar 22 are fixedly connected with a pushing plate 23. The bottom end of the pushing plate 23 contacts the top of the screening mesh 21. A plurality of legs 24 are evenly axially installed on the lower outer wall of the mixing tank 1. The bottom end of the leg 24 is connected with a connecting plate 25. The bottom end of the connecting plate 25 is connected with a damper 26. The bottom end of the damper 26 is connected with a friction plate 27. A spring 28 is sleeved on the outer wall of the damper 26. A guiding ring 29 is fixedly installed at the inner bottom end of the mixing tank 1. A tapered block 30 is installed in the middle of the bottom end of the mixing tank 1;

[0024] After the material is poured into the feeding hopper 16, the material is screened through the screening mesh 21. When the vertical rod 18 rotates, it drives the pushing plate 23 to rotate through the collar 22, pushing the material on the top of the screening mesh 21, improving the screening efficiency. Pulling the collar 22 to remove the pushing plate 23 from the vertical rod 18 enables the screening mesh 21 to be removed from the retaining ring 20 for cleaning, ensuring the screening effect. The equipment is supported by the legs 24, and the damper 26 and the friction plate 27 cooperate to absorb and buffer the vibration generated during operation, ensuring the stability during use. The guiding ring 29 and the tapered block 30 are used to guide the material, ensuring the discharging effect of the material.

[0025] As Figures 1 to 5As shown in the figure, for the stirring device of a powder pressing and forming machine of the present utility model, during operation, materials are added into the feed hopper 16 for temporary storage. After the materials are poured into the feed hopper 16, the materials are screened by the screening mesh 21. When the vertical rod 18 rotates, the pushing plate 23 is driven to rotate through the collar 22, and the materials on the top of the screening mesh 21 are pushed to improve the screening efficiency. When the reciprocating lead screw 5 rotates, the vertical rod 18 is driven to rotate through the second transmission 17, and the vertical rod 18 drives the spiral conveying blade 19 to rotate, conveying the materials downward, so that the materials are evenly input into the inner top end of the mixing tank 1 through multiple support rods 14. The first driving motor 4 drives the reciprocating lead screw 5 to rotate through the transmission 3, and drives the rotating rod 8 to move up and down in cooperation with the moving block 6. At the same time, the second driving motor 7 is started to drive the rotating rod 8 to rotate, and the rotating rod 8 drives the stirring rod 9 and the second stirring rod 10 to rotate to evenly mix the materials. When the rotating rod 8 rotates, it rotates on the scraping ring 11. At the same time, when the rotating rod 8 moves up and down, it drives the scraping ring 11 to slide on the outer wall of the mixing tank 1 in cooperation with the limiting rod 12. The equipment is supported by the support legs 24, and the vibration generated during operation is absorbed and buffered through the cooperation of the damper 26 and the spring 28.

[0026] The transmission 3, the first driving motor 4, the second driving motor 7 and the second transmission 17 of the stirring device of a powder pressing and forming machine of the present utility model are purchased on the market. Technicians in this industry only need to install and operate according to the attached operation manuals, without the need for technicians in this field to carry out creative labor.

[0027] The above are only the preferred embodiments of the present utility model. It should be noted that for those of ordinary skill in the art in this technical field, without departing from the technical principle of the present utility model, several improvements and modifications can be made, and these improvements and modifications should also be regarded as the protection scope of the present utility model.

Claims

1. A stirring device of a powder pressing forming machine, characterized in that, It includes a stirring tank (1), a discharge pipe (2), a transmission (3), a first driving motor (4), a reciprocating screw rod (5), a feeding assembly, a stirring assembly and a supporting assembly. An inlet is provided at the top of the stirring tank (1). The left end of the bottom of the stirring tank (1) is connected with the discharge pipe (2), and a discharge valve is arranged on the discharge pipe (2). The transmission (3) is fixedly installed in the middle of the bottom end of the stirring tank (1). The output end of the transmission (3) is connected with the output end of the first driving motor (4). The output end of the transmission (3) passes through the bottom end of the stirring tank (1) and is connected with the reciprocating screw rod (5). The feeding assembly is installed at the inlet at the top of the stirring tank (1). The stirring assembly is installed inside the stirring tank (1) and on the reciprocating screw rod (5). The supporting assembly is installed on the outer wall of the lower part of the stirring tank (1).

2. The stirring device of a powder compacting machine according to claim 1, characterized in that, The stirring assembly includes a moving block (6), a plurality of second driving motors (7), a plurality of rotating rods (8), a plurality of stirring rods (9) and a plurality of second stirring rods (10). The middle part of the moving block (6) is screwed on the outer wall of the reciprocating screw rod (5). A plurality of installation cavities are evenly formed inside the moving block (6). A plurality of second driving motors (7) are fixed in the installation cavities. The output end of the second driving motor (7) passes through the installation cavity and is connected with the rotating rod (8). A plurality of stirring rods (9) are evenly installed on the outer wall of the rotating rod (8). The second stirring rod (10) is installed on the stirring rod (9).

3. The stirring device of a powder compacting machine according to claim 2, characterized in that, It also includes a scraping ring (11) and a plurality of limiting rods (12). The plurality of limiting rods (12) are axially installed on the inner wall of the stirring tank (1). The scraping ring (11) is slidably installed on the outer wall of the stirring tank (1) and is slidably matched with the limiting rods (12). One end of the rotating rod (8) is rotatably connected with the inner wall of the scraping ring (11).

4. The stirring device of a powder compacting machine according to claim 2, characterized in that, The feeding assembly includes a fixing plate (13), a feeding pipe (15), a feeding hopper (16), a second transmission (17), a vertical rod (18), a spiral conveying blade (19) and a screening assembly. The fixing plate (13) is connected inside the inlet at the top of the stirring tank (1) through a plurality of support rods (14). The feeding pipe (15) is installed at the feeding position at the top of the stirring tank (1). The input end of the feeding pipe (15) is connected with the feeding hopper (16). The second transmission (17) is installed at the bottom of the fixing plate (13). The input end of the second transmission (17) is connected with the top of the reciprocating screw rod (5). The output end of the second transmission (17) passes through the fixing plate (13) and is connected with the vertical rod (18). The spiral conveying blade (19) is installed on the outer wall of the vertical rod (18).

5. The stirring device of a powder compacting machine according to claim 4, characterized in that, The screening assembly includes a retaining ring (20), a screening mesh (21), a collar (22) and two pushing plates (23). The retaining ring (20) is fixedly installed on the inner wall of the feeding hopper (16). A circular hole is provided in the middle of the screening mesh (21), and it is clamped on the retaining ring (20) through the vertical rod (18). The collar (22) is sleeved on the upper end of the vertical rod (18). The left and right ends of the collar (22) are fixedly connected with the pushing plates (23). The bottom end of the pushing plate (23) is in contact with the top of the screening mesh (21).

6. The stirring device of a powder compacting machine according to claim 1, characterized in that, The supporting assembly includes a plurality of legs (24), a plurality of connecting plates (25), a plurality of dampers (26), a plurality of friction plates (27) and a plurality of springs (28). The plurality of legs (24) are evenly axially installed on the lower outer wall of the mixing tank (1). The bottom end of the leg (24) is connected with a connecting plate (25). The bottom end of the connecting plate (25) is connected with a damper (26). The bottom end of the damper (26) is connected with a friction plate (27). The spring (28) is sleeved on the outer wall of the damper (26).

7. The stirring device of a powder compacting machine according to claim 1, characterized in that It further includes a material guiding ring (29) and a tapered block (30). The material guiding ring (29) is fixedly installed at the inner bottom end of the mixing tank (1). The tapered block (30) is installed in the middle of the bottom end of the mixing tank (1).

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