Negative-pressure material recycling mechanism with good sealing performance

Abstract

The utility model relates to the technical field of material recovery, in particular to a negative pressure material recovery mechanism with good sealing performance, which comprises a cart, a material recovery box body is arranged on the cart, the material recovery box body is communicated with a negative pressure device, the top of the material recovery box body is communicated with a material absorption component, and the bottom of the material recovery box body is provided with a material containing box. A material circulating assembly is further arranged in the material recycling box body. The negative pressure device comprises a negative pressure tank, the negative pressure tank is communicated with an induced draft fan, and the negative pressure tank is further communicated with a material circulating assembly located in the material recycling box body. Through the arrangement of the negative pressure device, the inside of the material recovery box body is in a negative pressure state, and qualified materials which are filtered twice by the material absorption component and screened enter the material recovery box body; a small amount of materials enter the material circulating assembly through the negative pressure device and then circulate back into the material recycling box body, the air tightness of the material recycling box body is guaranteed, the absorption effect is guaranteed, and the materials are not wasted.

Description

Technical Field

[0001] The utility model relates to the technical field of material recovery, in particular to a negative pressure material recovery mechanism with good sealing performance. Background Art

[0002] Material recovery is the process of collecting and filtering materials that are spilled during feeding or dropped during operation, and then reusing them. Our company’s patent authorization announcement date is CN 216060351 U, and its name is an environmentally friendly negative pressure material recovery device with an anti-blocking structure. It discloses a recovery structure for collecting liquid materials, wherein the stirring plate is connected to the end of the connecting rod and both sides of the stirring plate protrude from the connecting rod. Such a structure is only suitable for collecting liquid materials. For solid particulate materials such as powders, if both sides of the stirring plate protrude from the connecting rod, it is not convenient for the particulate material to be discharged. At present, when recycling particulate materials, vacuum pumps are mostly used for collection and recovery. However, the existing particulate material recovery devices are not only complex in structure, but also cannot guarantee their sealing and airtightness, resulting in reduced adsorption effect.

[0003] In summary, the existing technology has obvious inconveniences and defects in actual use, so it is necessary to improve it. Utility Model Content

[0004] In view of the above-mentioned defects, the purpose of the present invention is to provide a negative pressure material recovery mechanism with good sealing performance, so as to solve the problem of poor adsorption effect due to insufficient airtightness when recovering particulate materials.

[0005] In order to achieve the above-mentioned purpose, the utility model provides a negative pressure material recovery mechanism with good sealing performance, including a cart, a material recovery box is provided on the cart, the material recovery box is connected to a negative pressure device, the top of the material recovery box is connected to a material absorption component and the bottom is provided with a material containing box, and a material circulation component is also provided in the material recovery box; the negative pressure device includes a negative pressure tank, the negative pressure tank is connected to an induced draft fan, and the negative pressure tank is also connected to the material circulation component located in the material recovery box.

[0006] As a preferred technical solution, the material circulation assembly includes an outer cylinder and an inner cylinder, and the bottoms of the outer cylinder and the inner cylinder are provided with material outlets; the inner cylinder is connected to the negative pressure device;

[0007] A cavity is formed between the outer cylinder and the inner cylinder, and the cavity is connected to a blower through an air inlet pipe; a rotating mechanism is provided in the inner cylinder, and the rotating mechanism includes a rotating shaft and a plurality of rotating plates connected to the rotating shaft, and the ends of the rotating plates are connected to arc-shaped plates, and the arc-shaped plates are fitted on the inner wall of the inner cylinder.

[0008] As a preferred technical solution, the rotating plates are provided with four and are symmetrically arranged, and a material holding cavity is formed between adjacent rotating plates. When the material holding cavity rotates with the rotating shaft, the material holding cavities on the left and right sides are material side holding cavities, and the material holding cavities on the upper and lower sides are respectively the material upper holding cavity and the material lower holding cavity;

[0009] The inner cylinder is provided with a plurality of through holes, which are distributed on the left and right sides of the inner cylinder, so that the material side accommodating cavities on the left and right sides of the inner cylinder are connected with the cavity through the through holes.

[0010] As a preferred technical solution, the negative pressure tank is connected to the material recovery box through a negative pressure pipe, and the end of the negative pressure pipe is connected to a trumpet-shaped adsorption head.

[0011] As a preferred technical solution, the material absorbing component is connected to the material recovery box through a telescopic tube;

[0012] The material absorbing component includes an adsorption connection end and a feed barrel. The feed barrel is detachably connected to one side of the adsorption connection end, and a filter is provided on the other side of the adsorption connection end.

[0013] As a preferred technical solution, the feed cylinder is a filter cylinder with a plurality of filter holes provided on the surface; the pore size of the filter screen is smaller than the pore size of the filter holes on the surface of the feed cylinder.

[0014] As a preferred technical solution, the adsorption connection end and the feed barrel, as well as the filter screen and the adsorption connection end are all detachably connected.

[0015] As a preferred technical solution, the material container is of a pull-out type, and a material baffle is provided on the top of the material container. The material baffle includes two openable and closable plates, and a cylinder is provided at the bottom of each openable and closable plate.

[0016] As a preferred technical solution, a sealing strip is provided between the two opening and closing panels.

[0017] The utility model provides a negative pressure material recovery mechanism with good sealing performance. Through the setting of the negative pressure device, a negative pressure state is created in the material recovery box. After two filtrations by the material absorption component, qualified materials are screened and enter the material recovery box. A small amount of materials enters the material circulation component through the negative pressure device and circulates back into the material recovery box, thereby ensuring the airtightness of the material recovery box and the absorption effect without wasting materials. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 This is a schematic diagram of the structure of the negative pressure material recovery mechanism with good sealing performance of the utility model;

[0019] Figure 2This is a schematic structural diagram from another perspective of the negative pressure material recovery mechanism with good sealing performance of the utility model;

[0020] Figure 3 It is a structural diagram of the material absorption component;

[0021] Figure 4 It is a structural diagram of the material absorption component;

[0022] Figure 5 Schematic diagram of the structure of the material baffle;

[0023] In the picture:

[0024] 1- trolley, 2- material recovery box, 3- negative pressure device, 31- negative pressure tank, 32- induced draft fan, 33- first hose, 34- trumpet-shaped adsorption head, 35- negative pressure pipe, 36- second hose, 4- material recovery interface, 5- telescopic tube, 6- material absorption component, 61- adsorption connection end, 62- feed barrel, 63- filter screen, 7- material holding box, 8- material baffle, 81- openable and closable plate, 82- sealing strip, 83- cylinder, 9- material absorption component, 90A- material side accommodating chamber, 90B- material upper accommodating chamber, 90C- material upper accommodating chamber, 91- outer cylinder, 92- cavity, 93- inner cylinder, 94- through hole, 95- arc plate, 96- rotating plate, 97- material outlet, 98- air inlet pipe, 99- blower. DETAILED DESCRIPTION

[0025] In order to make the purpose, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below in conjunction with the embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not intended to limit the present invention.

[0026] Example 1:

[0027] See also Figure 1 and Figure 2 The utility model provides a negative pressure material recovery mechanism with good sealing performance, including a cart 1, a material recovery box 2 is provided on the cart 1, the material recovery box 2 is connected to a negative pressure device 3, the top of the material recovery box 2 is connected to a material absorption component 6 and a material containing box 7 is provided at the bottom, and a material circulation component 9 is also provided in the material recovery box 2.

[0028] The negative pressure device 3 includes a negative pressure tank 31, which is connected to an induced draft fan 32 via a first hose 33. The negative pressure tank 31 is connected to the material recovery box 2 via a negative pressure pipe 35. Specifically, the end of the negative pressure pipe 35 is connected to a trumpet-shaped adsorption head 34, and the diameter of the negative pressure pipe 35 is much smaller than the diameter of the trumpet-shaped adsorption head 34. Under the action of the induced draft fan 32, the negative pressure tank 31 creates a negative pressure state in the material recovery box 2, thereby allowing the material circulation component 9 to absorb the spilled materials into the material recovery box 2. Since the diameter of the negative pressure pipe 35 is much smaller than the diameter of the trumpet-shaped adsorption head 34, only a small amount of material enters the negative pressure pipe 35 with a smaller diameter from the trumpet-shaped adsorption head 34, and then enters the material circulation component 9. This not only realizes the recycling and collection of materials and avoids material waste, but also maintains the negative pressure airtightness in the material recovery box 2, so that the absorption work of the material circulation component 9 is carried out continuously and stably. The internal structure of the negative pressure tank 31 in the present invention is the existing technology. For example, the negative pressure tank structure in Patent No. CN202111373081.6 can be adopted.

[0029] The negative pressure tank 31 is connected to the material circulation component 9 located in the material recovery box 2 through a second hose 36 .

[0030] See also Figure 3 The material circulation assembly 9 includes an outer cylinder 91 and an inner cylinder 93 , and a material outlet 97 is provided at the bottom of the outer cylinder 91 and the inner cylinder 93 . The inner cylinder 93 is communicated with the negative pressure tank 31 .

[0031] The outer cylinder 91 and the inner cylinder 93 are supported by a plurality of support blocks, so that a cavity 92 is formed between the two. The cavity 92 is connected to a blower 99 via an air inlet pipe 98. A rotating mechanism is provided in the inner cylinder 93, and the rotating mechanism includes a rotating shaft and a plurality of rotating plates 96 connected to the rotating shaft. The ends of the rotating plates 96 are connected to curved plates 95, so that the rotating plates 96 and the curved plates 95 are connected to form a sickle shape. The curved plates 95 are attached to the inner wall of the inner cylinder 93 and are made of corrosion-resistant rubber material. The rotating shaft is connected to a motor, and the motor (not shown in the figure) is located outside the material recovery box 2.

[0032] Preferably, the rotating plates 96 are provided in four pieces and are symmetrically arranged, and a material holding chamber is formed between adjacent rotating plates 96. When the material holding chamber rotates with the rotating shaft, the material holding chambers located on the left and right sides are the material side holding chambers 90A, and the material holding chambers located on the upper and lower sides are the upper material holding chamber 90B and the lower material holding chamber 90C respectively.

[0033] The inner cylinder 93 is provided with a plurality of through-holes 94. Specifically, the plurality of through-holes 94 are distributed on the left and right sides of the inner cylinder 93, connecting the material-side cavities 90A located on the left and right sides of the inner cylinder 93 with the cavity 92 through the through-holes 94. A blower 99 delivers air to the cavity 92, which in turn blows air through the plurality of through-holes 94 toward the material in the material-side cavities 90A located on the left and right sides. This not only improves the dryness of the material but also prevents the material from adhering to the material-side cavities 90A. With the cooperation of the rotating plate 96 and the curved plate 95, the material is smoothly discharged from the lower material cavities 90C into the material recovery box 2.

[0034] The rotating plate 96 cooperates with the arc plate 95 to make the lower material accommodating chamber 90C and the upper material accommodating chamber 90B and the two material side accommodating chambers 90A independent of each other and not connected, thereby better ensuring the airtightness of the material recovery box 2.

[0035] See also Figure 1 and Figure 4 , a material recovery interface 4 is provided on the top of the material recovery box 2, and the material absorption component 6 is connected to the material recovery interface 4 on the top of the material recovery box 2 through a telescopic tube 5. The material absorption component 6 includes an adsorption connection end 61 and a feed barrel 62, and the feed barrel 62 is a filter barrel with a plurality of filter holes provided on the surface. The feed barrel 62 is detachably connected to one side of the adsorption connection end 61, and a filter screen 63 is provided on the other side of the adsorption connection end 61. The adsorption connection end 61 and the feed barrel 62 are set as a detachable connection structure with threaded connection. The filter screen 63 is detachably buckled on the end of the adsorption connection end 61, and can be connected by thread or other connection methods. The aperture of the filter screen 63 is smaller than the aperture of the filter holes on the surface of the feed barrel 62. During operation, a barrel 62 with suitable filter holes and a matching filter screen 63 are selected according to the size of the adsorbed material, the filter screen 63 is installed at one end of the adsorption connection end 61, the barrel 62 is connected to the other end, and then the adsorption connection end 61 is connected to the telescopic tube 5. Specifically, a connecting sleeve of the adsorption connection end 61 that is suitable for the adsorption connection end can be set in the telescopic tube 5, and the sleeve and the adsorption connection end 61 can also be connected by threaded connection or other detachable methods. In actual applications, threaded connection is the main connection method. When the material absorption component 6 absorbs the material, the filter holes on the surface of the barrel 62 are first filtered for the first time. After being sucked into the feed barrel 62, it is filtered for the second time by the filter screen 63 set at the end of the adsorption connection end 61, and then enters the material recovery box 2 through the telescopic tube 5.

[0036] See also Figure 1 and Figure 5The material storage box 7 is of a pull-out type, and a material baffle 8 is provided above the material storage box 7. The material baffle 8 includes two openable and closable plates 81, and a sealing strip 82 is provided between the two opening and closing plates 81. A cylinder 83 is provided at the bottom of each opening and closing plate 81, and the cylinder 83 is used to control the opening and closing of the two opening and closing plates 81. The operation of the cylinder 83 is controlled by existing technology. When a large amount of material is accumulated on the opening and closing plates 81, the cylinder 83 controls the opening and closing plates 81 to open, and the material slides into the material storage box 7; when the material storage box 7 is full, it can be poured out for centralized storage.

[0037] The utility model provides a negative pressure material recovery mechanism with good sealing performance. Through the setting of the negative pressure device, a negative pressure state is created in the material recovery box. After two filtrations by the material absorption component, qualified materials are screened and enter the material recovery box. A small amount of materials enters the material circulation component through the negative pressure device and circulates back into the material recovery box, thereby ensuring the airtightness of the material recovery box and the absorption effect without wasting materials.

[0038] Of course, the present invention may have many other embodiments. Without departing from the spirit and essence of the present invention, technicians familiar with the field can make various corresponding changes and modifications based on the present invention, but these corresponding changes and modifications should all fall within the scope of protection of the claims attached to the present invention.

Claims

1. A negative pressure material recovery mechanism with good sealing performance, comprising a trolley (1), wherein a material recovery box (2) is provided on the trolley (1), characterized in that: The material recovery box (2) is connected to a negative pressure device (3), the top of the material recovery box (2) is connected to a material absorbing component (6) and the bottom is provided with a material containing box (7), and a material circulation component (9) is also provided in the material recovery box (2); the negative pressure device (3) includes a negative pressure tank (31), the negative pressure tank (31) is connected to an induced draft fan (32), and the negative pressure tank (31) is also connected to the material circulation component (9) located in the material recovery box (2).

2. A negative pressure material recovery mechanism with good sealing performance according to claim 1, characterized in that: The material circulation assembly (9) comprises an outer cylinder (91) and an inner cylinder (93), wherein the bottoms of the outer cylinder (91) and the inner cylinder (93) are provided with material outlets (97); the inner cylinder (93) is in communication with the negative pressure device (3); A cavity (92) is formed between the outer cylinder (91) and the inner cylinder (93), and the cavity (92) is connected to a blower (99) through an air inlet pipe (98); a rotating mechanism is provided in the inner cylinder (93), and the rotating mechanism includes a rotating shaft and a plurality of rotating plates (96) connected to the rotating shaft, and an arc plate (95) is connected to the end of the rotating plate (96), and the arc plate (95) is attached to the inner wall of the inner cylinder (93).

3. A negative pressure material recovery mechanism with good sealing performance according to claim 2, characterized in that: The rotating plates (96) are provided with four pieces and are symmetrically arranged. A material holding cavity is formed between adjacent rotating plates (96). When the material holding cavity rotates with the rotating shaft, the material holding cavities on the left and right sides are material side holding cavities (90A), and the material holding cavities on the upper and lower sides are respectively material upper holding cavities (90B) and material lower holding cavities (90C). The inner cylinder (93) is provided with a plurality of through holes (94), which are distributed on the left and right sides of the inner cylinder (93), so that the material-side accommodating chambers (90A) on the left and right sides of the inner cylinder (93) are connected to the cavity (92) through the through holes (94).

4. A negative pressure material recovery mechanism with good sealing performance according to claim 1, characterized in that: The negative pressure tank (31) is connected to the material recovery box (2) via a negative pressure pipe (35), and the end of the negative pressure pipe (35) is connected to a trumpet-shaped adsorption head (34).

5. The negative pressure material recovery mechanism with good sealing performance according to claim 1, characterized in that: The material absorbing component (6) is connected to the material recovery box (2) through a telescopic tube (5); The material absorbing component (6) comprises an adsorption connection end (61) and a feed barrel (62), wherein the feed barrel (62) is detachably connected to one side of the adsorption connection end (61), and a filter screen (63) is provided on the other side of the adsorption connection end (61).

6. A negative pressure material recovery mechanism with good sealing performance according to claim 5, characterized in that: The feed cylinder (62) is a filter cylinder with a plurality of filter holes provided on its surface; the pore size of the filter screen (63) is smaller than the pore size of the filter holes on the surface of the feed cylinder (62).

7. A negative pressure material recovery mechanism with good sealing performance according to claim 6, characterized in that: The adsorption connection end (61) and the feeding cylinder (62), and the filter screen (63) and the adsorption connection end (61) are all detachably connected.

8. The negative pressure material recovery mechanism with good sealing performance according to claim 1, characterized in that: The material storage box (7) is of a pull-out type. A material baffle (8) is provided above the material storage box (7). The material baffle (8) comprises two openable and closable plates (81). A cylinder (83) is provided at the bottom of each openable and closable plate (81).

9. A negative pressure material recovery mechanism with good sealing performance according to claim 8, characterized in that: A sealing strip (82) is provided between the two opening and closing plates (81).

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