Novel on-line powder weighing device

Abstract

The utility model discloses a novel on-line crushed powder weighing device, which relates to the technical field of crushed powder weighing and comprises a crushed powder blanking hopper, a box body, a material collecting pipe assembly, a weighing assembly, a material returning assembly and a cylinder plate fixing rod, all the components except for the dust falling hopper are mounted in the box body; a material level sensor is mounted on the material collecting pipe; when a material level sensor detects materials, a material collecting pipe discharging air cylinder acts, a first plug pin plate is pulled out, and the collected materials are discharged and enter a weighing assembly; the lower discharging pipe extends into the weighing bin and does not make contact with the weighing bin, dust is prevented from scattering outwards during discharging, the measuring precision is prevented from being affected, all assemblies are formed by combining pin plates and push blocks, movement guide rails do not exist in the assemblies, and material accumulation can be prevented; the problem that in the tobacco stem powder treatment process in the prior art, powder is directly recycled through a pipeline without being weighed, and material blockage is likely to occur is solved.

Description

Technical Field

[0001] The utility model belongs to the field of crushed powder weighing, relates to the production and processing technology of crushed powder weighing devices, and specifically is a novel crushed powder online weighing device. Background Art

[0002] Tobacco stems are the main veins and petioles of tobacco leaves, which are removed after separation and processing of tobacco leaves. Tobacco stem dust refers to the powdery substance obtained after the tobacco stems produced in the tobacco production process are crushed. In the existing tobacco stem dust processing process, the dust is not weighed and is directly recovered through the pipeline, which is prone to blockage, uneven movement of the latch plate, and insufficient negative pressure inside the pipeline. Utility Model Content

[0003] The utility model aims to solve at least one of the technical problems existing in the prior art. To this end, the utility model proposes a novel online weighing device for crushed tobacco, which solves the problem that in the prior art of tobacco stem crushing processing, the crushed tobacco is directly recovered through a pipeline without being weighed, which is prone to blockage.

[0004] To achieve the above-mentioned purpose, according to the embodiment of the first aspect of the utility model, a novel online weighing device for crushed powder is provided, comprising a crushed powder hopper, a box body, a collecting pipe assembly, a weighing assembly, a return assembly and a cylinder plate fixing rod; all the components except the crushed powder hopper are installed inside the box body;

[0005] A collecting pipe assembly is provided at the lower end of the debris dropping hopper, and the collecting pipe assembly includes a collecting pipe flange, a lower feeding pipe cover plate, a cylinder fixing plate, a first linear bearing, a guide rod, a collecting pipe discharge cylinder, a collecting pipe, a first latch plate, a first push block and a lower feeding pipe; the collecting pipe assembly is fixedly connected to the debris dropping hopper through the collecting pipe flange, the collecting pipe flange is arranged above the collecting pipe, a material level sensor is fixedly installed on the collecting pipe, the collecting pipe is fixedly installed on the lower feeding pipe cover plate, the first latch plate is installed below the lower feeding pipe cover plate, one end of the first latch plate is fixedly connected to the first push block, the first push block is fixedly connected to the output shaft of the collecting pipe discharge cylinder, the collecting pipe discharge cylinder is fixedly installed on one side of the lower feeding pipe through the cylinder fixing plate, the lower feeding pipe is fixedly connected to the lower feeding pipe cover plate, the lower feeding pipe is fixedly connected to the outer ring of the first linear bearing, and the inner ring of the first linear bearing is slidably connected to the guide rod.

[0006] Preferably, the weighing assembly includes a weighing bin flange, a lower bin cover, a second linear bearing, a weighing discharge cylinder, a first guide rod, a weighing bin, a second latch plate, a second push block, a first lower bin, a weighing bracket and an electronic scale, and the lower discharge pipe extends into the weighing bin but is not connected to the weighing bin.

[0007] Preferably, the lower material bin cover plate is provided below the weighing bin, the second latch plate is provided below the lower material bin cover plate, one end of the second latch plate is fixedly connected to the second push block, the second push block is fixedly connected to the output shaft of the weighing and discharging cylinder, the electronic scale is installed below the weighing bracket, the components of the weighing assembly except the electronic scale are installed above the weighing bracket, and the weighing bin flange is installed above the weighing bin.

[0008] Preferably, a dustproof cloth is fixedly installed on the weighing bin flange, the weighing bin is fixedly connected to the outer side of the lower discharge pipe through the weighing bin flange, one end of the first lower feed bin is fixedly connected to the weighing bracket, the second linear bearing is fixedly installed on the side of the first lower feed bin, and the first guide rod is slidably connected in the second linear bearing.

[0009] Preferably, the return material assembly includes a pressure replenishing pipe, an air adjusting handle, a return material hopper, a second lower material bin, a return material pipe, an air replenishing pipe, a third push block, a third latch plate, a second guide rod, a third linear bearing, a fixed plate, a cover plate and a return material cylinder, and the first lower material bin extends into the return material hopper and does not contact it.

[0010] Preferably, the lower end of the pressure-compensating pipe is fixedly connected to the return material pipe, and the upper end is connected to the collecting pipe flange; the return hopper is fixedly installed on the cover plate, and the third latch plate is provided under the cover plate, the third latch plate is fixedly connected to the third push block, the third push block is fixedly connected to the return material cylinder, and the return material cylinder is fixedly installed on the side of the second lower material bin through the fixed plate.

[0011] Preferably, the second lower material bin is fixedly installed under the cover plate, the air adjusting handle is provided on the pressure compensation pipe, one end of the return material pipe is fixedly connected to the air compensation pipe, one side of the second lower material bin is fixedly connected to the third linear bearing, and the second guide rod is slidably connected in the third linear bearing.

[0012] Preferably, a pneumatic element is disposed on the side of the collecting pipe assembly, a pneumatic element fixing plate is disposed on the pneumatic element, and the pneumatic element is fixedly mounted on one side of the box body through the pneumatic element fixing plate.

[0013] Compared with the prior art, the beneficial effects of the utility model are:

[0014] 1. Use a type of crushed powder online weighing device, and install a material level sensor on the collecting pipe. When the material level sensor detects the material, the collecting pipe discharge cylinder is activated, the first latch plate is pulled out, and the collected material is released into the weighing component. The lower discharge pipe goes deep into the weighing bin and does not contact the weighing bin, so as to avoid dust from being scattered when discharging the material and prevent the measurement accuracy from being affected.

[0015] 2. After the weighing component materials enter the weighing bin, the electronic scale is used for weighing, and the weight is displayed on the display screen through the PLC, making it easy to observe the value changes.

[0016] 3. Each component is combined with a latch plate and a push block. There is no moving guide rail inside the component, which can prevent material accumulation, thereby affecting the movement of the latch plate and affecting the weighing. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a front view of the internal structure of a novel online weighing device for crushed powder in the utility model;

[0018] Figure 2 This is a side view of a novel online weighing device for crushed powder according to the utility model;

[0019] Figure 3 This is a top view of a collecting pipe assembly of a novel online weighing device for crushed powder according to the utility model;

[0020] Figure 4 This utility model is a new type of crushed powder online weighing device Figure 3 AA direction cross-sectional view;

[0021] Figure 5 This is a top view of a weighing component of a novel online weighing device for crushed powder according to the utility model;

[0022] Figure 6 This utility model is a new type of crushed powder online weighing device Figure 5 AA direction cross-sectional view;

[0023] Figure 7 This is a front view of a new type of crushed powder online weighing device return material assembly of the utility model;

[0024] Figure 8 This is a top view of a material return assembly of a novel online weighing device for crushed powders according to the utility model;

[0025] Fig. 9 This utility model is a new type of crushed powder online weighing device Figure 8 AA direction cross-sectional view. DETAILED DESCRIPTION

[0026] The technical solution of the utility model will be described clearly and completely in conjunction with the embodiments below. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of them. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0027] like Figure 1-Figure 9 As shown, a novel online weighing device for fine dust comprises a fine dust hopper 1, a box body 2, a collecting pipe assembly 3, a pneumatic element 4, a weighing assembly 5, a return assembly 7, and a pneumatic element fixing plate 9; all the components except the fine dust hopper 1 are installed inside the box body 2;

[0028] The lower end of the debris hopper 1 is provided with a collecting pipe assembly 3, which includes a collecting pipe flange 301, a discharge pipe cover plate 302, a cylinder fixing plate 303, a first linear bearing 304, a guide rod 305, a collecting pipe discharge cylinder 306, a collecting pipe 307, a first latch plate 308, a first push block 309 and a discharge pipe 3010; the collecting pipe assembly 3 is fixedly connected to the debris hopper 1 through the collecting pipe flange 301, a collecting pipe 307 is provided below the collecting pipe flange 301, a material level sensor is fixedly installed on the collecting pipe 307, and the collecting pipe 307 is fixedly installed on the discharge pipe cover plate 302. 2 is installed below the first latch plate 308, one end of the first latch plate 308 is fixedly connected to the first push block 309, the first push block 309 is fixedly connected to the output shaft of the collecting pipe discharge cylinder 306, the collecting pipe discharge cylinder 306 is fixedly installed on one side of the lower discharge pipe 3010 through the cylinder fixing plate 303, the lower discharge pipe 3010 is fixedly connected to the lower discharge pipe cover plate 302, the lower discharge pipe 3010 is fixedly installed with a first linear bearing 304, the first linear bearing 304 is slidably connected with a guide rod 305, the guide rod 305 plays a role in dredging the lower discharge pipe 3010, and the crushed powder enters the collecting pipe 307 through the flange 301. A material level sensor is installed on the collecting pipe 307. When the material level sensor detects the material, the collecting pipe discharge cylinder 306 is actuated, the first latch plate 308 is pulled out, and the collected material is discharged into the weighing component 5.

[0029] The weighing assembly 5 includes a weighing bin flange 501, a lower bin cover 502, a second linear bearing 503, a weighing discharge cylinder 504, a first guide rod 505, a weighing bin 506, a second latch plate 507, a second push block 508, a first lower bin 509, a weighing bracket 5010 and an electronic scale 5011. The lower discharge pipe 3010 extends into the weighing bin 506 but is not connected to the weighing bin 506. A lower bin cover 502 is provided below the weighing bin 506. A second latch plate 507 is provided below the lower bin cover 502. One end of the second latch plate 507 is fixedly connected to the second push block 508. The second push block 508 is fixedly connected to the output shaft of the weighing discharge cylinder 504. The electronic scale 5011 is installed below the weighing bracket 5010. In addition to the electronic scale 5011, other weighing The components of assembly 5 are all installed on the top of weighing bracket 5010, weighing bin flange 501 is installed on the top of weighing bin 506, dustproof cloth is fixedly installed on weighing bin flange 501, weighing bin 506 is fixedly connected to the outside of lower discharge pipe 3010 through weighing bin flange 501, one end of first lower discharge bin 509 is fixedly connected to weighing bracket 5010, second linear bearing 503 is fixedly installed on the side of first lower discharge bin 509, first guide rod 505 is slidably connected in second linear bearing 503, first guide rod 505 can play a role of dredging when first lower discharge bin 509 is blocked; the device is provided with PLC control system, electronic scale 5011 is electrically connected with PLC, after material enters weighing bin 506, electronic scale 5011 weighs, and weight is displayed on the display screen through PLC. After weighing, weighing discharge cylinder 504 is actuated, second latch plate 507 is pulled out, and collected material is discharged into return assembly 7.

[0030] The return material assembly 7 includes a pressure compensation pipe 701, an air adjustment handle 702, a return material hopper 703, a second lower material bin 704, a return material pipe 705, an air compensation pipe 706, a third push block 707, a third latch plate 708, a second guide rod 709, a third linear bearing 7010, a fixing plate 7011, a cover plate 7012 and a return material cylinder 7013. The first lower material bin 509 extends into the return material hopper 703 and does not contact it, so it does not affect The weighing assembly 5 is weighed; the lower end of the pressure-compensating pipe 701 is fixedly connected to the return pipe 705, and the upper end is connected to the collecting pipe flange 301; the return hopper 703 is fixedly mounted on the cover plate 7012, and a third latch plate 708 is provided below the cover plate 7012, and the third latch plate 708 is fixedly connected to the third push block 707, and the third push block 707 is fixedly connected to the return cylinder 7013, and the return cylinder 7013 is fixed by the fixing plate 7011 It is installed on the side of the second lower material bin 704, and the second lower material bin 704 is fixedly installed under the cover plate 7012. An air adjustment handle 702 is provided on the pressure compensation pipe 701, and the air adjustment handle 702 is used to toggle the internal baffle to control the amount of air compensation; one end of the return pipe 705 is fixedly connected to the air compensation pipe 706, and a third linear bearing 7010 is fixedly connected to one side of the second lower material bin 704. A second guide rod 709 is slidably connected in the third linear bearing 7010, and the second guide rod 709 plays a role in dredging the second lower material bin 704. After the material is weighed, before the weighing discharge cylinder 504 is actuated, the return cylinder 7013 is actuated to pull out the third latch plate 708, so that the return hopper 703 enters a negative pressure state in advance, and then the weighed material is discharged. After the material is discharged, the return cylinder 7013 is inserted back into the third latch plate 708 to avoid the formation of negative pressure inside the equipment and affect the weighing. A pneumatic element 4 is arranged on the side of the collecting pipe assembly 3 . The pneumatic element 4 is fixedly mounted on one side of the box body 2 through a pneumatic element fixing plate 9 . The purpose of the pneumatic element 4 is to provide an air source for the cylinder arranged in the box body 2 .

[0031] The working principle of this utility model:

[0032] The crushed powder enters the collecting pipe 307 through the flange 301. A material level sensor is installed on the collecting pipe 307. When the material level sensor detects the material, the collecting pipe discharge cylinder 306 is activated, the first latch plate 308 is pulled out, and the collected material is discharged into the weighing component 5. The lower discharge pipe 3010 goes deep into the weighing bin 506 and does not contact the weighing bin 506 to prevent dust from being scattered when discharging the material.

[0033] After the material enters the weighing bin 506, the electronic scale 5011 weighs it, and the weight is displayed on the display screen through the PLC. After the weighing is completed, the weighing discharge cylinder 504 is activated, the second latch plate 507 is pulled out, and the collected material is discharged into the return material assembly 7. The first lower bin 509 extends to the return material hopper 703 without contacting it, so it does not affect the weighing of the weighing assembly 5, and at the same time avoids the dust from being scattered when discharging the material.

[0034] After the material weighing is completed, before the weighing discharge cylinder 504 is actuated, the return cylinder 7013 is actuated to pull out the third latch plate 708, so that the return hopper 703 enters a negative pressure state in advance, and the internal baffle is moved by the air adjustment handle 702 to control the amount of air supply; then the weighed material is discharged, and after the material is discharged, the return cylinder 7013 is inserted back into the third latch plate 708 to avoid the formation of negative pressure inside the equipment and affect the weighing.

[0035] The above embodiments are only used to illustrate the technical method of the utility model rather than to limit it. Although the utility model is described in detail with reference to the preferred embodiments, ordinary technicians in the field should understand that the technical method of the utility model can be modified or replaced by equivalents without departing from the spirit and scope of the technical method of the utility model.

Claims

1. A new type of online weighing device for crushed powder, characterized in that: It comprises a chip hopper (1), a box (2), a collecting pipe assembly (3), a weighing assembly (5), a material return assembly (7) and a cylinder plate fixing rod (8); all the components except the chip hopper (1) are installed inside the box (2); A collecting pipe assembly (3) is provided at the lower end of the debris drop hopper (1), and the collecting pipe assembly (3) comprises: a collecting pipe flange (301), a lowering pipe cover plate (302), a cylinder fixing plate (303), a first linear bearing (304), a guide rod (305), a collecting pipe discharge cylinder (306), a collecting pipe (307), a first latch plate (308), a first push block (309) and a lower discharge pipe (3010); the collecting pipe assembly (3) is fixedly connected to the debris drop hopper (1) via the collecting pipe flange (301), the collecting pipe flange (301) is provided above the collecting pipe (307), a material level sensor is fixedly installed on the collecting pipe (307), and the collecting pipe (307) is fixedly installed on the lower discharge pipe (3010). On the material pipe cover plate (302), the first latch plate (308) is installed below the lower material pipe cover plate (302), one end of the first latch plate (308) is fixedly connected to the first push block (309), the first push block (309) is fixedly connected to the output shaft of the collecting pipe discharge cylinder (306), the collecting pipe discharge cylinder (306) is fixedly installed on one side of the lower material discharge pipe (3010) through the cylinder fixing plate (303), the lower material discharge pipe (3010) is fixedly connected to the lower material pipe cover plate (302), the lower material discharge pipe (3010) is fixedly connected to the outer ring of the first linear bearing (304), and the inner ring of the first linear bearing (304) is slidably connected to the guide rod (305).

2. A novel online weighing device for crushed powder according to claim 1, characterized in that: The weighing assembly (5) includes a weighing bin flange (501), a lower bin cover plate (502), a second linear bearing (503), a weighing discharge cylinder (504), a first guide rod (505), a weighing bin (506), a second latch plate (507), a second push block (508), a first lower bin (509), a weighing bracket (5010) and an electronic scale (5011), and the lower discharge pipe (3010) extends into the weighing bin (506) but is not connected to the weighing bin (506).

3. A novel online weighing device for crushed powder according to claim 2, characterized in that: The lower material bin cover plate (502) is arranged below the weighing bin (506), and the second latch plate (507) is arranged below the lower material bin cover plate (502), one end of the second latch plate (507) is fixedly connected to the second push block (508), and the second push block (508) is fixedly connected to the output shaft of the weighing and discharging cylinder (504), the electronic scale (5011) is installed below the weighing bracket (5010), and the components of the weighing assembly (5) except the electronic scale (5011) are all installed above the weighing bracket (5010), and the weighing bin flange (501) is installed above the weighing bin (506).

4. A novel online weighing device for crushed powder according to claim 3, characterized in that: A dustproof cloth is fixedly installed on the weighing bin flange (501), the weighing bin (506) is fixedly connected to the outer side of the lower discharge pipe (3010) through the weighing bin flange (501), one end of the first lower material bin (509) is fixedly connected to the weighing bracket (5010), the second linear bearing (503) is fixedly installed on the side of the first lower material bin (509), and the first guide rod (505) is slidably connected inside the second linear bearing (503).

5. A novel online weighing device for crushed powder according to claim 4, characterized in that: The return material assembly (7) includes a pressure replenishing pipe (701), an air regulating handle (702), a return material hopper (703), a second lower material bin (704), a return material pipe (705), an air replenishing pipe (706), a third push block (707), a third latch plate (708), a second guide rod (709), a third linear bearing (7010), a fixing plate (7011), a cover plate (7012) and a return material cylinder (7013), wherein the first lower material bin (509) extends into the return material hopper (703) and does not contact it.

6. A novel online weighing device for crushed powder according to claim 5, characterized in that: The lower end of the pressure-compensating pipe (701) is fixedly connected to the return pipe (705), and the upper end is connected to the collecting pipe flange (301); the return hopper (703) is fixedly installed on the cover plate (7012), and the third latch plate (708) is arranged below the cover plate (7012); the third latch plate (708) is fixedly connected to the third push block (707), and the third push block (707) is fixedly connected to the return cylinder (7013); the return cylinder (7013) is fixedly installed on the side of the second lower bin (704) through the fixed plate (7011).

7. A novel online weighing device for crushed powder according to claim 6, characterized in that: The second material lower bin (704) is fixedly installed below the cover plate (7012), the air adjustment handle (702) is provided on the pressure compensation pipe (701), one end of the return pipe (705) is fixedly connected to the air compensation pipe (706), one side of the second material lower bin (704) is fixedly connected to the third linear bearing (7010), and the second guide rod (709) is slidably connected inside the third linear bearing (7010).

8. The novel online weighing device for crushed powder according to claim 1 is characterized in that: A pneumatic element (4) is arranged on the side of the collecting pipe assembly (3), a pneumatic element fixing plate (9) is arranged on the pneumatic element (4), and the pneumatic element (4) is fixedly mounted on one side of the box body (2) via the pneumatic element fixing plate (9).

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