Raw material crushing device for dust-free workshop

Abstract

The utility model discloses a raw material crushing device for a dust-free workshop, and belongs to the technical field of veterinary drug preparation. Comprising a pulverizer and a dust collection structure, the dust collection structure comprises a sealing box, an air inlet pipe, a dust collection cover, an exhaust port, a lower support, an upper support, a centrifugal induced draft fan, a material receiving disc and a primary filter, and the upper support and the lower support are arranged in the middle and the lower portion of the sealing box respectively to divide the sealing box into a feeding section, a filtering section and a negative pressure section; an upper box door and a lower box door are arranged on the rear side of the sealing box, the upper box door is located between the upper support and the top of the sealing box, and the lower box door is located between the upper support and the bottom of the sealing box. A centrifugal induced draft fan is arranged in the negative pressure section and located on the upper support, and the centrifugal induced draft fan is connected with the exhaust port through a hose. The material receiving disc is arranged at the bottom in the sealing box; the primary filter is fixed on the upper side of the lower bracket; the lower end of the air inlet pipe is connected with the front side of the feeding section, the dust suction hood is located over the feeding hopper, and the exhaust port is located under an exhaust window on the top of the workshop.

Description

Technical Field

[0001] The utility model belongs to the technical field of veterinary medicine preparation, and particularly relates to a raw material crushing device for a dust-free workshop, especially for preparing veterinary powder containing traditional Chinese medicine. Background Art

[0002] As Figure 1 shown, it is a preparation flow chart of veterinary powder containing traditional Chinese medicine. Traditional Chinese medicine needs to be crushed and dried before mixing. In previous production, dust-free production was not required. However, in the latest standard, dust-free production is required.

[0003] To ensure dust-free production, a dust suction structure needs to be set up. The existing dust suction structure usually includes a dust suction hood, a fan, and a bag type dust collector, etc. The dust suction hood is located at the dust generating point, and the fan and the bag type dust collector are located outside the workshop. The dust suction hood, the fan, and the bag type dust collector are connected in sequence through pipelines, and the workshop needs to be renovated to lay the pipelines.

[0004] For example, the patent with the application number CN201320810517.8 discloses a dust purification device for a traditional Chinese medicine crusher to improve the production environment of the traditional Chinese medicine crushing process. It includes a crusher, a dust suction hood is arranged above the feeding port of the crusher, and the dust suction hood is connected with a fan through an air duct; the air duct is connected with a dust discharge pipe, and a spray chamber is arranged at the end of the dust discharge pipe.

[0005] However, if the applicant does not want to adjust the workshop, the applicant provides a solution that does not require pipeline layout in the workshop. Summary of the Utility Model

[0006] To solve the above problems, the embodiment of the utility model provides a raw material crushing device for a dust-free workshop, which does not require pipeline layout in the workshop. The centrifugal induced draft fan is located in a sealed box to reduce noise. The technical solution is as follows:

[0007] An embodiment of the present utility model provides a raw material crushing device for a dust-free workshop, which includes a crusher 1 and a dust suction structure. A feeding hopper is provided at the top of the crusher 1; the dust suction structure is located directly behind the crusher 1 and includes a sealed box 2, an air inlet pipe 3 in front of the sealed box 2, a dust suction hood 4 at the top end of the air inlet pipe 3, an exhaust port 5 at the top of the sealed box 2, and a lower support 6, an upper support 7, a centrifugal ventilation fan 8, a material receiving tray 9 and a primary filter 12 inside the sealed box 2. The upper support 7 and the lower support 6 are respectively arranged in the middle and lower part of the sealed box 2, dividing the sealed box 2 into a feeding section, a filtering section and a negative pressure section from bottom to top. An upper box door 10 and a lower box door 11 are arranged side by side up and down at the rear side of the sealed box 2. The upper box door 10 is located between the upper support 7 and the top of the sealed box 2, and the lower box door 11 is located between the upper support 7 and the bottom of the sealed box 2; a centrifugal ventilation fan 8 is arranged on the upper support 7 inside the negative pressure section, and the air outlet of the centrifugal ventilation fan 8 is connected to the exhaust port 5 through a vertical hose 13; the material receiving tray 9 is arranged at the bottom inside the sealed box 2 and can be taken out or pulled backward; the primary filter 12 is fixed on the upper side of the lower support 6 and includes a fixing frame matching with the sealed box 2, a plurality of filter bags on the upper side of the fixing frame, and a support frame matching with and inside the filter bags. The plurality of filter bags are arranged side by side left and right and are connected in sequence. The opening of the filter bag faces downward and its lower end is fixed on the fixing frame. The lower end of the support frame and the fixing frame are both fixed on the upper side of the lower support 6; the lower end of the air inlet pipe 3 is connected to the front side of the feeding section, the dust suction hood 4 is located directly above the feeding hopper, and the exhaust port 5 is located directly below the exhaust window at the top of the workshop.

[0008] Among them, the sealed box 2 in the embodiment of the present utility model is a vertically arranged rectangular box body. The upper box door 10 and the lower box door 11 are rectangular box doors matching with the sealed box 2, and there is a hinge between the left end or the right end of the upper box door 10 and the lower box door 11 and the corresponding side of the sealed box 2. The material receiving tray 9 is a rectangular groove matching with the sealed box 2.

[0009] Specifically, the air inlet pipe 3 in the embodiment of the present utility model is vertically arranged, it is a square pipe, and it is located adjacent to the rear of the crusher 1; the dust suction hood 4 is a rectangular dust suction hood arranged along the left-right direction.

[0010] Specifically, the dust suction hood 4 in the embodiment of the present utility model is located in front of and above the sealed box 2. Two fixing rods 14 are arranged side by side at the bottom of the rear side of the dust suction hood 4. The fixing rods 14 are vertically arranged and their lower parts are fixed on the front top side of the sealed box 2; the upper part of the air inlet pipe 3 passes upward through the upper side of the rear part of the dust suction hood 4 and then bends forward and downward to be connected to the upper side of the front part of the dust suction hood 4.

[0011] Further, a protruding portion 15 is provided at the front side inside the sealing box 2 in the embodiment of the present utility model. The front portion of the upper bracket 7 is fixed to the upper side of the protruding portion 15, and the front portion of the lower bracket 6 is fixed to the lower side of the protruding portion 15. The primary filter 12 is located at the rear side of the protruding portion 15.

[0012] Specifically, the sealing box 2 in the embodiment of the present utility model includes a rectangular frame and five side plates thereon. The five side plates are respectively arranged at the front side, left side, right side, upper side and lower side of the rectangular frame. The lower bracket 6 and the upper bracket 7 are fixed to the rectangular frame, and support beams 16 are provided in the vertical direction between the left and right sides of the lower bracket 6 and the corresponding bottom sides of the rectangular frame.

[0013] Specifically, the centrifugal induced draft fan 8 in the embodiment of the present utility model is arranged in the front-rear direction and its motor is located at the rear side.

[0014] The beneficial effects brought by the technical solution provided by the embodiment of the present utility model are as follows: The embodiment of the present utility model provides a raw material crushing device for a dust-free workshop. For the production of veterinary drugs with a small production volume (but 2 tons per batch and usually less than 50 kg of traditional Chinese medicine used), there is no need to adopt large dust removal equipment, and there is no need to arrange pipelines in the workshop. By means such as the centrifugal induced draft fan being located inside the sealing box and the centrifugal induced draft fan being connected to the exhaust port through a hose, the noise is reduced. In addition, this patent also has the advantages of being structurally compact (the air inlet pipe also serves as the bracket for the dust suction hood), easy to maintain (both the upper box door and the lower box door can be opened, and the primary filter is also convenient to replace and clean), easy for dust recycling (open the lower box door and take out the material receiving tray), and flexible layout (it can be located beside the crusher), etc. Description of the Drawings

[0015] Figure 1 is the preparation flow chart of veterinary drug powder;

[0016] Figure 2 is the structural schematic diagram of the raw material crushing device for a dust-free workshop provided by the embodiment of the present utility model;

[0017] Figure 3 is the structural schematic diagram of the dust suction structure when the upper box door and the lower box door are opened.

[0018] In the figure: 1 crusher, 2 sealing box, 3 air inlet pipe, 4 dust suction hood, 5 exhaust port, 6 lower bracket, 7 upper bracket, 8 centrifugal induced draft fan, 9 material receiving tray, 10 upper box door, 11 lower box door, 12 primary filter, 13 hose, 14 fixing rod, 15 protruding portion, 16 support beam. Detailed Embodiment

[0019] To make the objectives, technical solutions and advantages of the present utility model clearer, the present utility model will be further described in detail below with reference to the accompanying drawings.

[0020] Example 1

[0021] Refer to Figure 2-3 , Example 1 provides a raw material crushing device for a dust-free workshop. The device includes a crusher 1 and a dust suction structure, etc. The crusher 1 is a high-efficiency universal crusher, and a feeding hopper is provided at its top. Among them, the dust suction structure is located directly behind the crusher 1 (of course, it can also be located on the left side, rear side, etc. For the convenience of description in this patent, a specific direction is defined), and it includes a sealed box 2, an air inlet pipe 3, a dust suction hood 4, an exhaust port 5, a lower bracket 6, an upper bracket 7, a centrifugal induced draft fan 8, a receiving tray 9, a primary filter 12, etc.

[0022] Among them, the sealed box 2 is a vertically arranged rectangular box body. An upper box door 10 and a lower box door 11 are arranged side by side up and down at its rear side, and an exhaust port 5 is provided at its top. Both the upper box door 10 and the lower box door 11 can be rotated open. The upper box door 10 and the lower box door 11 are arranged side by side up and down, and they close the rear side of the sealed box 2. The upper box door 10 is located between the upper bracket 7 and the top of the sealed box 2, and the lower box door 11 is located between the upper bracket 7 and the bottom of the sealed box 2. The upper box door 10 and the lower box door 11 are rectangular box doors that match the sealed box 2, and a hinge is provided between the left end or the right end of them and the corresponding side of the sealed box 2.

[0023] Among them, the air inlet pipe 3 is vertically arranged. It is located in front of the sealed box 2. Its lower end is connected to the front side of the feeding section (the lower front side of the sealed box 2, and the connection point is below the lower bracket 6). Its upper end is connected to the top of the dust suction hood 4. Specifically, it is a square pipe and is located adjacent to the rear of the crusher 1. The air inlet pipe 3 has two functions: one is as a pipeline, and the other is as a support for the dust suction hood 4.

[0024] Among them, the dust suction hood 4 is arranged on the top of the air inlet pipe 3. It is located in front of the air inlet pipe 3. It is located directly above the feeding hopper. It is a conical hood with an open bottom and a smaller top and a larger bottom. Specifically, the dust suction hood 4 is a rectangular dust suction hood arranged along the left-right direction. It is located in front of and above the sealed box 2. Two fixing rods 14 are arranged side by side at the bottom of its rear side. The fixing rods 14 are vertically arranged and their lower parts are fixed to the top of the front side of the sealed box 2. The upper part of the air inlet pipe 3 passes upward through the upper rear side of the dust suction hood 4 and then bends forward and downward to be connected to the upper front side of the dust suction hood 4.

[0025] Among them, the upper bracket 7 and the lower bracket 6 are respectively arranged in the middle and lower parts of the sealed box 2 to divide the sealed box 2 from bottom to top into a feed section, a filter section and a negative pressure section. A centrifugal induced draft fan 8 is arranged in the negative pressure section and on the upper bracket 7. The centrifugal induced draft fan 8 is arranged in the front-back direction, its motor is located at the rear side, and the air outlet at its top is connected to the exhaust port 5 through a vertical hose 13. The receiving tray 9 is arranged at the bottom of the sealed box 2, which can be taken out (preferably) or pulled out backwards, and it is a rectangular groove that cooperates with the sealed box 2 (clearance fit). The primary filter 12 is fixed on the upper side of the lower bracket 6, which separates the sealed box 2. The primary filter 12 includes a fixed frame that cooperates with the sealed box 2, a plurality of (at least 6) filter bags on the upper side of the fixed frame, and a support frame in the filter bag and cooperates with it (to open the filter bag, specifically a vertically arranged rectangular frame), etc., and multiple filter bags are arranged side by side and connected in sequence. The filter bag is arranged vertically, with its opening facing downwards, and its lower end is fixed on a fixing frame, and is specifically a non-woven filter bag. The lower end of the support frame and the fixing frame are both fixed on the upper side of the lower bracket 6.

[0026] The exhaust port 5 is located directly below the exhaust window (an existing structure, specifically an integrated exhaust window arranged on the ceiling) on ​​the top of the workshop.

[0027] Specifically, the sealed box 2 in the embodiment of the utility model includes a rectangular frame and five side panels thereon, and the five side panels are respectively arranged on the front side, left side, right side, upper side and lower side of the rectangular frame. The lower bracket 6 and the upper bracket 7 are fixed on the rectangular frame. Support beams 16 (two in total) are arranged in the vertical direction between the left and right sides of the lower bracket 6 and the bottom of the corresponding side of the rectangular frame to improve stability.

[0028] Example 2

[0029] See also Figure 2 Embodiment 2 provides a raw material crushing device for a dust-free workshop, and its structure is basically the same as that of Embodiment 1, except that: a protrusion 15 is provided on the inner front side of the sealing box 2 in this embodiment, and the protrusion 15 has two functions: one is to enhance the stability of the fixing of the lower bracket 6 and the upper bracket 7, and the other is to reduce the depth of the primary filter 12 (for example, if the depth of the sealing box 2 is 50 cm and the height of the protrusion 15 is 10 cm, then the distance between the primary filter 12 in the front and rear directions is 40 cm) to facilitate the cleaning of the primary filter 12. The protrusion 15 is a rectangular protrusion arranged in the left and right directions. The front part of the upper bracket 7 is fixed to the upper side of the protrusion 15, the front part of the lower bracket 6 is fixed to the lower side of the protrusion 15, and the primary filter 12 is located on the rear side of the protrusion 15.

[0030] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A raw material crushing device for a dust-free workshop, comprising a crusher (1), wherein a feeding hopper is provided on the top of the crusher (1); characterized in that: The raw material crushing device also includes a dust suction structure, which is located directly behind the crusher (1) and includes a sealed box (2), an air inlet pipe (3) in front of the sealed box (2), a dust suction cover (4) at the top of the air inlet pipe (3), an exhaust port (5) at the top of the sealed box (2), and a lower bracket (6), an upper bracket (7), a centrifugal exhaust fan (8), a material receiving tray (9) and a primary filter (12) in the sealed box (2). The upper bracket (7) and the lower bracket (6) are respectively arranged at the middle and lower parts of the sealed box (2) to divide the sealed box (2) into a feeding section, a filtering section and a negative pressure section from bottom to top. An upper box door (10) and a lower box door (11) are arranged side by side at the rear side of the sealed box (2). The upper box door (10) is located between the upper bracket (7) and the top of the sealed box (2), and the lower box door (11) is located between the upper bracket (7) and the bottom of the sealed box (2). The air inlet (3) of the air inlet pipe (3) is connected to the front side of the feed section, and the dust collecting hood (4) is connected to the air outlet (5) through a vertical hose (13); the receiving tray (9) is arranged at the bottom of the sealed box (2) and can be taken out or pulled out backwards; the primary filter (12) is fixed on the upper side of the lower bracket (6) and comprises a fixed frame matched with the sealed box (2), a plurality of filter bags on the upper side of the fixed frame and a support frame matched with the filter bag, the plurality of filter bags are arranged side by side on the left and right and connected in sequence, the opening of the filter bag faces downward and the lower end of the filter bag is fixed on the fixed frame, the lower end of the support frame and the fixed frame are both fixed on the upper side of the lower bracket (6); the lower end of the air inlet pipe (3) is connected to the front side of the feed section, the dust collecting hood (4) is located directly above the feeding hopper, and the air outlet (5) is located directly below the air exhaust window on the top of the workshop.

2. The raw material crushing device for a dust-free workshop according to claim 1, characterized in that: The sealed box (2) is a vertically arranged rectangular box body, the upper box door (10) and the lower box door (11) are rectangular box doors that match the sealed box (2) and hinges are provided between the left end or the right end thereof and the corresponding side of the sealed box (2), and the receiving tray (9) is a rectangular groove that matches the sealed box (2).

3. The raw material crushing device for a dust-free workshop according to claim 1, characterized in that: The air inlet pipe (3) is arranged vertically and is a square pipe, and is located adjacent to and behind the pulverizer (1); the dust hood (4) is a rectangular dust hood arranged in the left-right direction.

4. The raw material crushing device for a dust-free workshop according to claim 3, characterized in that: The dust hood (4) is located at the upper front of the sealed box (2), and two fixing rods (14) are arranged side by side at the bottom of the rear side. The fixing rods (14) are arranged vertically and the lower parts thereof are fixed to the top of the front side of the sealed box (2); the upper part of the air inlet pipe (3) passes upward through the upper rear side of the dust hood (4), and then bends forward and downward to be connected to the upper front side of the dust hood (4).

5. The raw material crushing device for a dust-free workshop according to claim 2, characterized in that: A protrusion (15) is provided on the front inner side of the sealing box (2), the front part of the upper bracket (7) is fixed on the upper side of the protrusion (15), the front part of the lower bracket (6) is fixed on the lower side of the protrusion (15), and the primary filter (12) is located on the rear side of the protrusion (15).

6. The raw material crushing device for a dust-free workshop according to claim 5, characterized in that: The sealed box (2) comprises a rectangular frame and five side panels thereon, the five side panels being respectively arranged on the front side, left side, right side, upper side and lower side of the rectangular frame, the lower bracket (6) and the upper bracket (7) being fixed on the rectangular frame, and a support beam (16) being arranged in the vertical direction between the left and right sides of the lower bracket (6) and the bottom of the corresponding side of the rectangular frame.

7. The raw material crushing device for a dust-free workshop according to claim 1, characterized in that: The centrifugal induced draft fan (8) is arranged in the front-rear direction and its motor is located at the rear side.

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