Powder injection filling equipment

Abstract

A powder injection filling device effectively solves the problem that sealing is not tight after a filling head is used for a long time. Comprising a hopper, a feeding port is formed above the hopper, a rotating shaft is rotatably arranged in the hopper, a plurality of stirring rods extend out of the rotating shaft, a sleeve is arranged in the rotating shaft in a penetrating mode, the bottom of the sleeve extends out of the bottom of the hopper, a filling pipe is slidably arranged in the sleeve, the bottom of the filling pipe extends out of the sleeve, a plurality of first through holes are formed in the rotating shaft, and a plurality of second through holes are formed in the sleeve. A plurality of third through holes are formed in the filling pipe, when the first through hole, the second through hole and the third through holes correspond, the powder injection in the hopper enters the filling pipe, a piston is movably arranged in the filling pipe, an outlet is formed in the bottom of the filling pipe, and the piston stretches out and draws back in the filling pipe to fill the powder injection; the powder injection filling device is simple and ingenious in structure and convenient to use, powder injection filling is more stable and accurate by improving the filling pipe, it is guaranteed that powder injection filling is completed smoothly, and production efficiency is improved.

Description

Technical Field

[0001] This utility model relates to the field of powder injection production technology, and in particular to a powder injection filling device. Background Technology

[0002] When filling powder injections, the filling head is inserted into the packaging bottle, and then the solenoid valve is opened to inject the powder injection into the bottle. If the solenoid valve is damaged, it may lead to poor sealing and leakage of powder injections. Utility Model Content

[0003] To overcome the shortcomings of the existing technology, this utility model provides a powder injection filling device that effectively solves the problem of poor sealing of the filling head after long-term use.

[0004] The technical solution to the technical problem is as follows: a powder injection filling device, including a hopper, an inlet at the top of the hopper, a rotating shaft inside the hopper, multiple stirring rods extending out of the shaft, a sleeve passing through the shaft, the bottom of the sleeve extending out of the bottom of the hopper, a filling tube slidingly disposed inside the sleeve, the bottom of the filling tube extending out of the sleeve, multiple first through holes on the shaft, multiple second through holes on the sleeve, and multiple third through holes on the filling tube. When the first, second, and third through holes correspond, the powder injection in the hopper enters the filling tube. A piston is movably disposed inside the filling tube, and an outlet is opened at the bottom of the filling tube. The piston extends and retracts inside the filling tube to fill the powder injection.

[0005] Preferably, a motor is provided above the hopper, and the motor drives the rotating shaft to rotate.

[0006] Preferably, the top of the sleeve is provided with a tube extending out of the top of the hopper, and a fixing plate is provided above the tube. A first hydraulic cylinder is provided on the fixing plate, and the first hydraulic cylinder drives the sleeve to extend and retract within the rotating shaft.

[0007] Preferably, the top of the filling tube is connected to a second hydraulic cylinder fixed on a fixed plate. The second hydraulic cylinder pushes the piston to extend and retract inside the filling tube. A spring is provided above the piston inside the filling tube. The spring causes the piston to drive the filling tube to slide and retract inside the sleeve.

[0008] Preferably, the filling tube has a plug at the bottom and the outlet is located around the top of the plug.

[0009] This utility model has a simple and ingenious structure and is easy to use. By improving the filling tube, the filling of powder injections is made more stable and precise, ensuring the smooth completion of powder injection filling and improving production efficiency. Attached Figure Description

[0010] Figure 1 This is a schematic diagram of the structure of a powder injection filling device according to this utility model.

[0011] Figure 2 This is a cross-sectional schematic diagram of a powder injection filling device according to the present invention.

[0012] Figure 3 This is a cross-sectional structural diagram of the hopper in a powder injection filling device according to this utility model.

[0013] Figure 4 This is a schematic diagram of the sleeve structure in a powder injection filling device according to this utility model.

[0014] Figure 5 This is a cross-sectional structural diagram of the sleeve in a powder injection filling device according to this utility model.

[0015] Figure 6 This is a schematic diagram of the filling tube in a powder injection filling device according to this utility model.

[0016] Figure 7 This is a cross-sectional structural diagram of the filling tube in a powder injection filling device according to this utility model. Detailed Implementation

[0017] The specific embodiments of this utility model will be further described in detail below with reference to the accompanying drawings.

[0018] Depend on Figures 1 to 7 It is known that a powder injection filling device includes a hopper 1, an inlet 2 above the hopper 1, a rotating shaft 3 inside the hopper 1, a motor 12 above the hopper 1, the motor 12 drives the rotating shaft 3 to rotate, multiple stirring rods 4 extending out of the rotating shaft 3, a sleeve 5 passing through the rotating shaft 3, the bottom of the sleeve 5 extending out of the bottom of the hopper 1, a filling tube 6 slidingly disposed inside the sleeve 5, the bottom of the filling tube 6 extending out of the sleeve 5, multiple first through holes 7 on the rotating shaft 3, multiple second through holes 8 on the sleeve 5, and multiple third through holes 9 on the filling tube 6. When the first through holes 7, second through holes 8 and third through holes 9 correspond, the powder injection in the hopper 1 enters the filling tube 6. A piston 10 is movably disposed inside the filling tube 6, and an outlet 11 is opened at the bottom of the filling tube 6. The piston 10 extends and retracts inside the filling tube 6 to fill the powder injection.

[0019] In practical use, this utility model

[0020] The finished powder injection is added into the hopper 1 through the feed inlet 2. The equipment is started. The bottom of the equipment is a conveyor belt for transporting the packaging bottles. The packaging bottles remain stationary while being filled at the bottom. The specific filling process is as follows: the filling tube 6 and the sleeve 5 rise to the highest position. The powder injection in the hopper 1 enters the filling tube 6 through the first through hole 7, the second through hole 8 and the third through hole 9. At this time, the sleeve 5 moves down, so that the second through hole 8 is misaligned with the first through hole 7. The filling tube 6 moves down inside the sleeve 5, so that the bottom outlet 11 of the filling tube 6 opens. The powder injection enters the packaging bottle from the outlet 11. The filling tube 6 and the sleeve 5 move up to complete the filling.

[0021] In this device, the powder injection is stirred by the stirring rod 4 in the hopper 1 to prevent it from sticking to the inner wall of the hopper 1, so that it can enter the filling tube 6 more smoothly.

[0022] The first through hole 7 is located at the bottom of the connection between the rotating shaft 3 and the hopper 1, so that the powder injection at this location is kept in sufficient quantity and the powder injection entering the filling tube 6 is metered up to meet the filling requirements.

[0023] When not filling, the bottom outlet 11 of the filling pipe 6 is blocked by the sleeve 5, and there will be no leakage problem after a long period of time, thus ensuring the sealing performance of the equipment.

[0024] To facilitate the smooth filling of powder injections, the top of the sleeve 5 is provided with a sleeve 13 extending from the top of the hopper 1. A fixing plate 14 is provided above the sleeve 13, and a first hydraulic cylinder 15 is provided on the fixing plate 14. The first hydraulic cylinder 15 drives the sleeve 5 to extend and retract within the rotating shaft 3. The top of the filling tube 6 is connected to a second hydraulic cylinder 16 fixed on the fixing plate 14. The second hydraulic cylinder 16 pushes the piston 10 to extend and retract within the filling tube 6. A spring 17 is provided above the piston 10 and located inside the filling tube 6. The spring 17 causes the piston 10 to drive the filling tube 6 to slide and retract within the sleeve 5. A plug 18 is provided at the bottom of the filling tube 6, and the outlet 11 is located around the top of the plug 18.

[0025] The metering control of the powder injection is achieved by the movement of piston 10. When the sleeve 5 and filling tube 6 move to the high position, the first through hole 7, the second through hole 8, and the third through hole 9 are connected and the bottom outlet 11 of the filling tube 6 is sealed. At this time, piston 10 moves upward to compress spring 17, creating a negative pressure inside the filling tube 6, which causes the powder injection to be adsorbed into the filling tube 6. Then, sleeve 5 moves downward to offset the second through hole 8 from the first through hole 7, preventing the powder injection from flowing back into hopper 1. At this time, the second hydraulic cylinder 16 pushes the piston. When piston 10 moves downward, it pulls the filling tube 6 downward through spring 17, causing outlet 11 to open. A retaining plate 19 matching the filling tube 6 is provided inside the sleeve 5. A sliding groove that cooperates with the retaining plate is opened on the outside of the filling tube 6. When the upper end of the sliding groove contacts the retaining plate 19, the filling tube 6 cannot continue to move downward. At this time, piston 10 continues to move downward inside the filling tube 6, pushing out the powder injection inside the filling tube 6 to complete the filling. When resetting, piston 10 moves upward, pushing the filling tube 6 upward through spring 17, and finally reaching the initial position.

[0026] Compared with the prior art, this utility model has the following advantages: the opening and closing of the filling head is achieved through the structure, and there will be no outlet leakage problem after long-term use, ensuring the stability and consistency of powder injection filling.

Claims

1. A powder injection filling device, characterized in that, Includes a hopper (1), with a feed inlet (2) above the hopper (1), a rotating shaft (3) inside the hopper (1) and multiple stirring rods (4) extending out of the rotating shaft (3), a sleeve (5) passing through the rotating shaft (3), the bottom of the sleeve (5) extending out of the bottom of the hopper (1), a filling tube (6) slidingly arranged inside the sleeve (5), the bottom of the filling tube (6) extending out of the sleeve (5), multiple first through holes (7) on the rotating shaft (3), multiple second through holes (8) on the sleeve (5), and multiple third through holes (9) on the filling tube (6). When the first through holes (7), second through holes (8) and third through holes (9) correspond, the powder injection in the hopper (1) enters the filling tube (6), a piston (10) is movably arranged inside the filling tube (6), and an outlet (11) is opened at the bottom of the filling tube (6). The piston (10) extends and retracts inside the filling tube (6) to fill the powder injection.

2. The powder injection filling equipment according to claim 1, characterized in that, A motor (12) is provided above the hopper (1), and the motor (12) drives the rotating shaft (3) to rotate.

3. The powder injection filling equipment according to claim 1, characterized in that, The top of the sleeve (5) is provided with a sleeve (13) extending out of the top of the hopper (1), and a fixing plate (14) is provided above the sleeve (13). A first hydraulic cylinder (15) is provided on the fixing plate (14), and the first hydraulic cylinder (15) drives the sleeve (5) to extend and retract within the rotating shaft (3).

4. The powder injection filling equipment according to claim 3, characterized in that, The top of the filling tube (6) is connected to a second hydraulic cylinder (16) fixed on a fixed plate (14). The second hydraulic cylinder (16) pushes the piston (10) to extend and retract inside the filling tube (6). A spring (17) is provided above the piston (10) inside the filling tube (6). The spring (17) causes the piston (10) to drive the filling tube (6) to extend and slide inside the sleeve (5).

5. The powder injection filling equipment according to claim 1, characterized in that, The filling tube (6) is provided with a plug (18) at the bottom and the outlet (11) is located around the plug (18).

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