High-precision powder material filling machine

Abstract

The present application relates to the technical field of powder material quantitative filling equipment, and particularly relates to a high-precision powder material filling machine which is suitable for high-precision filling of small-dose powder detection material. The high-precision powder material filling machine comprises a machine box, a test tube turntable is arranged in the machine box, the test tube turntable comprises a plurality of work stations, a pressing unit, a cleaning unit and a sampling unit are arranged around the test tube turntable, the sampling unit comprises a storage tank mechanism and a sampling conveying mechanism, the storage tank mechanism comprises a plurality of storage tank bodies and material bins, the material bin comprises a lower cavity, a drive mechanism frame is arranged on the side of the lower cavity which is away from the storage tank body, a first drive mechanism is arranged on the drive mechanism frame, a pushing platform is arranged on the first drive mechanism, the pushing platform is arranged in the lower cavity, a push plate and a rake claw are arranged on the pushing platform, and a plurality of push plate holes are arranged on the push plate.

Description

Technical Field

[0001] This invention relates to the field of quantitative filling equipment for powdered materials, specifically to a high-precision powdered material filling machine, suitable for high-precision filling of small-dose powdered testing materials. Background Technology

[0002] In the field of testing, it is often necessary to fill test tubes with small doses of powdered materials (such as soil samples), which requires high precision in weight and hygiene. Currently, most commonly used powder filling equipment suffers from insufficient precision, especially when dispensing extremely small doses of powdered materials of 1g or less. Traditional filling equipment has a large error and cannot meet the needs of high-precision testing. Summary of the Invention

[0003] This invention aims to provide a high-precision powder material filling machine, the specific solution of which is as follows: A high-precision powder material filling machine includes a chassis, inside which is a test tube turntable. The test tube turntable includes several workstations. A pressing unit, a cleaning unit, and a sampling unit surround the test tube turntable. The sampling unit includes a storage tank mechanism and a sampling conveying mechanism. The storage tank mechanism includes several storage tank bodies and a material bin. The material bin includes a lower cavity. A drive mechanism frame is provided on the side of the lower cavity not near the storage tank bodies. A first drive mechanism is provided on the drive mechanism frame. A push platform is provided on the first drive mechanism. The push platform is located inside the lower cavity and is provided with a push plate and a rake claw. The push plate is provided with several push plate holes.

[0004] The material hopper includes an upper cavity, and a blocking block is provided inside one side of the upper cavity. The blocking block of the upper cavity is designed to push down any excess material that may remain at the bottom after the fixing tube has absorbed enough material.

[0005] A spring is provided between the blocking block and the cavity wall of the upper cavity. The spring ensures that the blocking block is flexible and avoids damage to the fixing tube.

[0006] The bottom of the lower cavity is provided with a frustum-shaped material bowl.

[0007] The drive mechanism frame is equipped with a second drive mechanism, and one end of the second drive mechanism is equipped with a flattening block. The flattening block is configured to cooperate with the upper cavity. If excess material pushed down by the blocking block is between the lower cavity and the upper cavity, the flattening block can push this material into the lower cavity.

[0008] The storage tank is equipped with a vibrator. This design allows the tank body to vibrate, enabling the material inside the tank to flow more effectively into the material silo.

[0009] The sampling and conveying mechanism includes a sampling assembly, which includes a sampling tank. An adjusting rod is threaded inside the sampling tank. The sampling tank is provided with an air inlet pipe and an air outlet pipe. A fixed pipe is provided at the lower part of the sampling tank. The adjusting rod is located inside the fixed pipe. The adjusting rod includes an upper rod body and a lower rod body. The bottom of the upper rod body is provided with a rod body hole. There is a gap between the upper rod body and the adjusting rod. There is no gap between the lower rod body and the adjusting rod. The lower rod body is a hollow structure, and the hollow structure is connected to the rod body hole. A filter element is provided at the bottom of the lower rod body.

[0010] The sampling container is equipped with a fixing knob, which works in conjunction with an adjusting rod. When the adjusting rod is adjusted to the desired position, the fixing knob can fix the adjusting rod in place.

[0011] The filter element is a composite filter element consisting of a PE filter element and a titanium mesh.

[0012] The sampling and conveying mechanism includes a transverse movable track, a transverse movable platform on the transverse movable track, a longitudinal movable track on the transverse movable platform, a sampling component frame on the longitudinal movable track, and a sampling component on the sampling component frame. This design allows the sampling component to move both laterally and longitudinally.

[0013] The sampling component frame includes an upper fixing frame and a lower fixing frame, which are configured to cooperate with the sampling component. The upper fixing frame and the lower fixing frame can fix the sampling component.

[0014] The cleaning unit includes a cleaning support rod with a cleaning bracket on it. The cleaning bracket has a first air passage pipe and a cylindrical outer shell. The bottom of the cylindrical outer shell has two openings at corresponding positions. These two openings ensure the passage of the protruding part of the test tube, reducing the need for frequent up-and-down movement of the cylindrical outer shell. The first gas passage includes an extension section that extends into the interior of the cylindrical outer casing.

[0015] The pressing unit includes a pressing support rod, a pressing support seat is provided on the pressing support rod, a pressing cylinder is provided on the pressing support seat, and a pressing head is fixed at one end of the pressing cylinder.

[0016] A detection unit is also provided around the test tube turntable. The detection unit includes a receiving mechanism and a transmitting mechanism. The transmitting mechanism includes a transmitting support rod with a transmitter on it. The receiving mechanism includes a receiving support rod with a receiver on it.

[0017] The chassis includes an inner trapezoidal door panel, which is configured to cooperate with a test tube turntable, with one station of the test tube turntable located on the outside of the inner trapezoidal door panel. This configuration is for the convenience of manually adding test tubes.

[0018] The inner trapezoidal door panel has two corresponding slots. This design ensures the passage of the protruding part of the test tube.

[0019] This invention has the following advantages: 1. Through the transmitting and receiving mechanisms of the detection unit, it is possible to identify in real time whether there are test tubes to be filled at the workstation, which can effectively avoid the problems of empty filling and missed filling, and improve the accuracy of filling operations.

[0020] 2. The cleaning unit can promptly clean up any residual powdery materials (or other dust) at the workstation after filling, avoiding cross-contamination between different batches of materials.

[0021] 3. The pressing unit can compact the test tube after filling to ensure that the test tube is installed in place.

[0022] 4. The sampling and conveying mechanism can perform high-precision material extraction at a relatively fast speed. Furthermore, the invention employs an air-suction method, which can ensure the consistency of the extracted material density as much as possible, thereby guaranteeing the accuracy of the extracted material quality.

[0023] 5. The storage tank mechanism can stably and sealed the powdered material used for filling. With the built-in pusher plate and rake claw, it can prevent the powdered material from clumping when it is left to stand, ensuring that the material density is uniform throughout the storage tank and ensuring filling accuracy from the source. Attached Figure Description

[0024] Figure 1 This is a schematic diagram of the structure of a high-precision powder material filling machine according to the present invention. Figure 1 ; Figure 2 This is a schematic diagram of the structure of a high-precision powder material filling machine according to the present invention. Figure 2 ; Figure 3 This is a partial structural diagram of a high-precision powder material filling machine according to the present invention. Figure 1 ; Figure 4 This is a partial structural diagram of a high-precision powder material filling machine according to the present invention. Figure 2 ; Figure 5 This is a partial structural diagram of a high-precision powder material filling machine according to the present invention. Figure 3 ; Figure 6 This is a partial structural diagram of a high-precision powder material filling machine according to the present invention. Figure 4 ; Figure 7This is a partial structural diagram of a high-precision powder material filling machine according to the present invention. Figure 5 ; Figure 8 This is a partial structural diagram of a high-precision powder material filling machine according to the present invention. Figure 6 ; Figure 9 This is a partial structural diagram of a high-precision powder material filling machine according to the present invention. Figure 7 ; Figure 10 This is a partial structural diagram of a high-precision powder material filling machine according to the present invention. Figure 8 ; Figure 11 This is a partial structural diagram of a high-precision powder material filling machine according to the present invention. Figure 9 ; Figure 12 This is a partial structural diagram of a high-precision powder material filling machine according to the present invention. Figure 10 ; Figure 13 This is a partial structural diagram of a high-precision powder material filling machine according to the present invention. Figure 10 one; Figure 14 This is a partial structural diagram of a high-precision powder material filling machine according to the present invention. Figure 10 two; Figure 15 This is a partial structural diagram of a high-precision powder material filling machine according to the present invention. Figure 10 three; Figure 16 This is a partial structural diagram of a high-precision powder material filling machine according to the present invention. Figure 10 Four; Figure 17 This is a partial structural diagram of a high-precision powder material filling machine according to the present invention. Figure 10 five; Figure 18 This is a partial structural diagram of a high-precision powder material filling machine according to the present invention. Figure 10 six; The components are labeled as follows: 1. Chassis; 11. Inner trapezoidal door panel; 12. Slot; 2. Test tube turntable; 21. Workstation; 3. Pressing unit; 31. Pressing support rod; 32. Pressing support; 33. Pressing cylinder; 34. Pressing head; 4. Cleaning unit; 41. Cleaning support rod; 42. Cleaning support; 43. First air passage pipe; 44. Columnar outer shell; 45. Opening; 5. Tank mechanism; 51. Tank body; 52. Material bin; 521. Lower cavity; 522. Upper cavity; 53. Drive mechanism frame; 54. First drive mechanism; 55. Pushing platform; 56. Push plate; 561. Push plate hole; 57. Rake claw; 58. Blocking block; 59. Spring; 510. Frustum-shaped material... 511. Bowl; 512. Second drive mechanism; 513. Pushing block; 514. Vibrator; 6. Sampling and conveying mechanism; 61. Sampling tank; 62. Adjusting rod; 621. Upper rod; 622. Lower rod; 623. Rod hole; 631. Air inlet pipe; 632. Exhaust pipe; 64. Fixing pipe; 65. Filter element; 66. Fixing knob; 67. Lateral moving track; 68. Lateral moving platform; 69. Longitudinal moving track; 610. Sampling component frame; 611. Upper fixing frame; 612. Lower fixing frame; 613. Sampling component; 7. Receiving mechanism; 71. Receiving support rod; 72. Receiver; 8. Transmitting mechanism; 81. Transmitting support rod; 82. Transmitter. Detailed Implementation

[0025] The following is combined Figure 1-18 Further explanation: A high-precision powder material filling machine includes a chassis 1, a test tube turntable 2 inside the chassis 1, the test tube turntable 2 including several workstations 21, a pressing unit 3, a cleaning unit 4 and a sampling unit surrounding the test tube turntable 2, the sampling unit including a storage tank mechanism 5 and a sampling conveying mechanism 6, the storage tank mechanism 5 including several storage tank bodies 51 and a material bin 52, the material bin 52 including a lower cavity 521, a drive mechanism frame 53 is provided on the side of the lower cavity 521 not close to the storage tank bodies 51, a first drive mechanism 54 is provided on the drive mechanism frame 53, a push platform 55 is provided on the first drive mechanism 54, the push platform 55 is located inside the lower cavity 521, and a push plate 56 and a rake claw 57 are provided on the push platform 55, and a number of push plate holes 561 are provided on the push plate 56.

[0026] The material bin 52 includes an upper cavity 522, and a blocking block 58 is provided inside one side of the upper cavity 522. The blocking block 58 of the upper cavity 522 is designed to push down any excess material that may remain at the bottom after the fixed tube 64 has absorbed enough material.

[0027] A spring 59 is provided between the blocking block 58 and the cavity wall of the upper cavity 522. The spring 59 ensures that the blocking block 58 is flexible and can avoid damage to the fixing tube 64.

[0028] The bottom of the lower cavity 521 is provided with a frustum-shaped material bowl 510.

[0029] The drive mechanism frame 53 is equipped with a second drive mechanism 511, and one end of the second drive mechanism 511 is equipped with a flattening block 512. The flattening block 512 is configured to cooperate with the upper cavity 522. If excess material pushed down by the blocking block 58 is between the lower cavity 521 and the upper cavity 522, the flattening block 512 can push this material into the lower cavity 521.

[0030] A vibrator 513 is installed on the tank body 51. This design can vibrate the tank body 51 to allow the material inside the tank body 51 to flow better into the material silo 52.

[0031] The working process of the storage tank mechanism 5 of the present invention is as follows: Powdered materials are pre-filled into each storage tank 51 for storage. After the operation starts, the vibrator 513 on the storage tank 51 operates, allowing the material to fall smoothly into the material bin 52, completing the material unloading process from storage to material bin 52. After the material enters the lower cavity 521 of the material bin 52, the first drive mechanism 54 drives the push platform 55 and its push plate 56 and rake claw 57 to move horizontally along the lower cavity 521. The rake claw 57 first loosens and flattens the accumulated material to avoid uneven local accumulation height. The material is pushed forward to the frustum-shaped material bowl 510. Then, the fixed pipe 64 extends into the material bin 52 to suck up the material. After the suction is completed, the fixed pipe 64 moves, and the excess material is pushed into the material bin 52 by the blocking block 58.

[0032] The sampling and conveying mechanism 6 includes a sampling component 613, which includes a sampling tank 61. An adjusting rod 62 is threaded inside the sampling tank 61. The sampling tank 61 is provided with an air inlet pipe 631 and an exhaust pipe 632. A fixed pipe 64 is provided at the lower part of the sampling tank 61. The adjusting rod 62 is located inside the fixed pipe 64. The adjusting rod 62 includes an upper rod 621 and a lower rod 622. The bottom of the upper rod 621 is provided with a rod hole 623. There is a gap between the upper rod 621 and the adjusting rod 62. There is no gap between the lower rod 622 and the adjusting rod 62. The lower rod 622 is a hollow structure and the hollow structure is connected to the rod hole 623. A filter element 65 is provided at the bottom inside the lower rod 622.

[0033] The sampling container 61 is equipped with a fixing knob 66, which is configured to cooperate with the adjusting rod 62. When the adjusting rod 62 is adjusted to the desired position, the fixing knob 66 ​​can fix the adjusting rod 62.

[0034] Filter element 65 is a composite filter element consisting of a PE filter element and a titanium mesh.

[0035] The sampling and conveying mechanism 6 includes a transverse movable track 67, a transverse movable platform 68 on the transverse movable track 67, a longitudinal movable track 69 on the transverse movable platform 68, a sampling component frame 610 on the longitudinal movable track 69, and a sampling component 613 on the sampling component frame 610. This design allows the sampling component 613 to move both laterally and longitudinally.

[0036] The sampling component frame 610 includes an upper fixing frame 611 and a lower fixing frame 612, which are configured to cooperate with the sampling component 613. The upper fixing frame 611 and the lower fixing frame 612 can fix the sampling component 613.

[0037] The working process of the sampling and conveying mechanism 6 of the present invention is as follows: First, adjust the position of the adjusting rod 62 according to the required amount of powdery material. Then, the sampling component 613 can move laterally and longitudinally to the material hopper 52 position of the storage tank mechanism 5. It then sucks in air to drive the powdery material into the space below the lower rod 622 and the fixed tube 64 (adjusting the position of the adjusting rod 62 is actually adjusting the size of this space). After completion, any excess material in the fixed tube 64 is pushed down by the blocking block 58. Then, the sampling component 613 is transferred to the corresponding position of the test tube turntable 2. After that, the suction stops, and air is blown in to transport the material into the test tube.

[0038] The cleaning unit 4 includes a cleaning support rod 41, a cleaning support 42 on the cleaning support rod 41, a first air passage pipe 43 on the cleaning support 42, and a cylindrical outer shell 44 (preferably, a suction pipe can be provided on the cylindrical outer shell 44 to suck in waste materials). Two openings 45 are provided at corresponding positions on the bottom of the cylindrical outer shell 44. The two openings 45 ensure the passage of the protruding part of the test tube, eliminating the need for frequent up-and-down movement of the cylindrical outer shell 44.

[0039] The first gas passage duct 43 includes an extension section that extends into the interior of the cylindrical outer casing 44.

[0040] The pressing unit 3 includes a pressing support rod 31, a pressing support 32 on the pressing support rod 31, a pressing cylinder 33 on the pressing support 32, and a pressing head 34 fixed at one end of the pressing cylinder 33.

[0041] The test tube turntable 2 is also surrounded by a detection unit, which includes a receiving mechanism 7 and a transmitting mechanism 8. The transmitting mechanism 8 includes a transmitting support rod 81, on which a transmitter 82 is provided. The receiving mechanism 7 includes a receiving support rod 71, on which a receiver 72 is provided.

[0042] The chassis 1 includes an inner trapezoidal door panel 11, which is configured to cooperate with the test tube turntable 2, with one station of the test tube turntable 2 located outside the inner trapezoidal door panel 11. This configuration is for the convenience of manually adding test tubes.

[0043] Two slots 12 are provided on the inner trapezoidal door panel 11. This design ensures the passage of the protruding part of the test tube.

[0044] The workflow of this invention is as follows: The operator places the empty test tube to be filled on the workstation outside the inner trapezoidal door panel 11 (the detection unit is activated, the transmitter 82 of the transmitting mechanism 8 sends a detection signal, and the receiver 72 of the receiving mechanism 7 identifies the received signal to confirm whether a test tube is installed at the workstation). After the equipment is started, the test tube turntable 2 drives the test tubes on the workstation to rotate gradually; the protrusion of the test tube passes through the slot 12 on the inner trapezoidal door panel 11, and when it reaches the preset workstation, the protrusion of the test tube can pass through the opening at the bottom of the cylindrical outer shell 44. Then it enters the pressing workstation, the pressing unit 3 is activated, the pressing cylinder 33 drives the pressing head 34 to move downward, pressing and fixing the test tube to ensure that it is installed in place. Then it enters the cleaning workstation, the first gas pipeline 43 introduces clean gas into the test tube through the extension section that extends into the cylindrical outer shell 44 to complete the cleaning of the inside of the test tube. Afterwards, it enters the powder material filling station. The working process of the sampling and conveying mechanism 6 and the storage tank mechanism 5 is as described above, so it will not be repeated. Finally, the test tube filled with material continues to move and is taken out.

[0045] The above embodiments describe in detail the structure, features, and effects of the present invention. The above description is only a preferred embodiment of the present invention. Any changes made in accordance with the concept of the present invention, or equivalent embodiments modified to have equivalent changes, shall still fall within the scope of protection of the present invention if they do not exceed the scope covered by the specification.

[0046] Although embodiments of the invention have been disclosed for illustrative purposes, those skilled in the art will understand that various substitutions, variations, and modifications are possible without departing from the spirit and scope of the invention and the appended claims. Therefore, the scope of the invention is not limited to the contents disclosed in the embodiments.

Claims

1. A high-precision powder material filling machine, characterized in that: The device includes a chassis, within which a test tube turntable is provided. The test tube turntable includes several workstations. A pressing unit, a cleaning unit, and a sampling unit surround the test tube turntable. The sampling unit includes a storage tank mechanism and a sampling and conveying mechanism. The storage tank mechanism includes several storage tank bodies and a material silo. The material silo includes a lower cavity. A drive mechanism frame is provided on the side of the lower cavity not near the storage tank bodies. A first drive mechanism is provided on the drive mechanism frame. A push platform is provided on the first drive mechanism. The push platform is located inside the lower cavity and is provided with a push plate and a rake claw. The push plate is provided with several push plate holes.

2. The high-precision powder material filling machine as described in claim 1, characterized in that: The material hopper includes an upper cavity, with a blocking block inside one side of the upper cavity; a spring is provided between the blocking block and the cavity wall of the upper cavity; a frustum-shaped material bowl is provided at the bottom of the lower cavity; a second drive mechanism is provided on the drive mechanism frame, with a flattening block at one end of the second drive mechanism, and the flattening block is configured to cooperate with the upper cavity.

3. The high-precision powder material filling machine as described in claim 1, characterized in that: The storage tank is equipped with a vibrator.

4. The high-precision powder material filling machine as described in claim 1, characterized in that: The sampling and conveying mechanism includes a sampling assembly, which includes a sampling tank. An adjusting rod is threaded inside the sampling tank. The sampling tank is provided with an air inlet pipe and an air outlet pipe. A fixed pipe is provided at the lower part of the sampling tank. The adjusting rod is located inside the fixed pipe. The adjusting rod includes an upper rod body and a lower rod body. The bottom of the upper rod body is provided with a rod body hole. There is a gap between the upper rod body and the adjusting rod. There is no gap between the lower rod body and the adjusting rod. The lower rod body is a hollow structure, and the hollow structure is connected to the rod body hole. A filter element is provided at the bottom of the lower rod body.

5. A high-precision powder material filling machine as described in claim 4, characterized in that: The sampling container is equipped with a fixing knob, which is configured to cooperate with the adjusting rod; the filter element is a composite filter element consisting of a PE filter element and a titanium mesh.

6. A high-precision powder material filling machine as described in claim 4, characterized in that: The sampling and conveying mechanism includes a transverse movable track, a transverse movable platform on the transverse movable track, a longitudinal movable track on the transverse movable platform, a sampling component frame on the longitudinal movable track, and a sampling component on the sampling component frame; the sampling component frame includes an upper fixed frame and a lower fixed frame, which are configured to cooperate with the sampling component.

7. A high-precision powder material filling machine as described in claim 1, characterized in that: The cleaning unit includes a cleaning support rod, a cleaning support base, a first air passage pipe and a cylindrical outer shell, and two openings at corresponding positions on the bottom of the cylindrical outer shell; the first air passage pipe includes an extension section that extends into the interior of the cylindrical outer shell.

8. A high-precision powder material filling machine as described in claim 1, characterized in that: The pressing unit includes a pressing support rod, a pressing support seat is provided on the pressing support rod, a pressing cylinder is provided on the pressing support seat, and a pressing head is fixed at one end of the pressing cylinder.

9. A high-precision powder material filling machine as described in claim 1, characterized in that: A detection unit is also provided around the test tube turntable. The detection unit includes a receiving mechanism and a transmitting mechanism. The transmitting mechanism includes a transmitting support rod with a transmitter on it. The receiving mechanism includes a receiving support rod with a receiver on it.

10. A high-precision powder material filling machine as described in claim 1, characterized in that: The chassis includes an inner trapezoidal door panel, which is configured to cooperate with a test tube turntable, with one station of the test tube turntable located on the outside of the inner trapezoidal door panel; the inner trapezoidal door panel is provided with two corresponding slots.

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