Jet mill grinding chamber capable of improving weighing precision

Abstract

The invention relates to the technical field of jet mills, and discloses a jet mill chamber capable of improving weighing precision, the jet mill chamber comprises a weighing device, the weighing device comprises a bin, the outer wall of the bin is fixedly sleeved with a fixing ring, and the outer wall of the top of the bin is fixedly connected with a telescopic pipe; a first connecting pipe is fixedly connected to the outer wall of the end, away from the bin, of the telescopic pipe, and the outer surface of the first connecting pipe is fixedly sleeved with a first supporting frame. Then the materials in the bin are weighed through a first stress block, the materials subjected to preliminary weighing enter the air milling chamber through a second connecting pipe, an adjusting assembly assists in adjusting the outer portion of the top of the air milling chamber so as to improve the movement stability of the air milling chamber, meanwhile, a second supporting frame bears the materials in the air milling chamber, and accurate weighing of the materials in the machining process of the air milling chamber is achieved; waste and excessive machining are avoided, and the machining cost is reduced.

Description

Technical Field

[0001] The invention relates to the technical field of airflow mills, in particular to an airflow mill chamber capable of improving weighing accuracy. Background Art

[0002] In the production process of air flow mill, the weighing accuracy of the grinding chamber is very important. Accurate weighing can ensure the stability of the amount of material entering the grinding chamber each time, thereby ensuring the consistency of the crushing effect. In reality, a high-precision weighing system can effectively control product quality and avoid affecting production efficiency and finished product quality due to too much or too little material. By continuously improving the weighing accuracy of the air flow mill grinding chamber, enterprises can better realize refined production and improve market competitiveness.

[0003] The patent application with application number CN202022958742.9 discloses an air flow mill grinding chamber, including a grinding chamber body and a feed pipeline and an air intake pipeline connected to the grinding chamber body. The output end of the feed pipeline is located above the output end of the air intake pipeline, and the output end of the air intake pipeline is connected to the nozzle on the grinding chamber body.

[0004] In summary, when it is necessary to weigh the material to be crushed, if the material is not placed in the central area of ​​the weighing equipment, the sensors at different positions are subjected to different pressures, which may cause the measurement results to deviate from the actual weight, and the weight of the material cannot be accurately weighed, which may lead to waste and over-processing of the material, and ultimately increase the processing cost.

[0005] Therefore, we proposed a jet mill chamber which can improve the weighing accuracy. Summary of the invention

[0006] In view of the deficiencies of the prior art, the present invention provides an airflow grinding chamber capable of improving weighing accuracy, so as to solve the problems raised in the above-mentioned background technology.

[0007] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: an airflow grinding chamber capable of improving weighing accuracy, comprising a weighing device, the weighing device comprising a chamber, the outer wall of the chamber being fixedly sleeved with a fixing ring, the top outer wall of the chamber being fixedly connected with a telescopic tube, the outer wall of the telescopic tube at one end away from the chamber being fixedly connected with a first connecting tube, the outer surface of the first connecting tube being fixedly sleeved with a first supporting frame, the bottom of the chamber being fixedly connected with a second connecting tube, a connecting block being provided on a side of the chamber close to the second connecting tube, the bottom of the connecting block being fixedly connected with a first supporting foot, one end of the first supporting frame away from the first connecting tube being fixedly connected to the connecting block, a second connecting rod being fixedly connected to an inner wall of a side of the connecting block close to the chamber, a first force-bearing block being fixedly connected to an inner wall of an end of the second connecting rod away from the connecting block, the top of the first force-bearing block being fixedly connected to the bottom of the chamber, and also comprising: The auxiliary mechanism includes a second connecting pipe, one end of which is fixedly connected to an air grinding chamber away from the chamber, a protrusion is fixedly connected to the inner wall of the air grinding chamber, an air inlet pipe is fixedly connected to the bottom of the air grinding chamber, a second supporting frame is arranged on the outer wall of the air grinding chamber, a second supporting foot is fixedly connected to the outer wall of the second supporting frame on a side away from the air grinding chamber, a discharge pipe is fixedly connected to the outer wall of the air grinding chamber at one end away from the air inlet pipe, a third connecting rod is fixedly connected to the top of the second supporting frame, an adjusting assembly is arranged on the end of the third connecting rod away from the second supporting frame, and a sliding frame is arranged inside the air grinding chamber.

[0008] According to the above technical solution, the top outer wall of the sliding frame is fixedly connected to a first fixed shaft, the outer wall surface of the first fixed shaft is slidably connected to the inner wall of the air mill chamber, the inner wall of the sliding frame is fixedly connected to a filter screen, and the top of the sliding frame is fixedly connected to a first elastic component, and the end of the first elastic component away from the sliding frame is fixedly connected to the air mill chamber, and the first elastic component causes the sliding frame in action to slide up and down, thereby causing the filter screen to vibrate and avoid clogging of the filter screen.

[0009] According to the above technical solution, the adjustment component includes a second force-bearing block fixedly connected to the outer wall of the air mill chamber, the outer wall of the second force-bearing block is fixedly connected to a second connecting frame, the outer wall of the second connecting frame is fixedly connected to a second fixed shaft, and the second force-bearing block increases the stability of the top of the air mill chamber during operation through a second elastic component.

[0010] According to the above technical solution, one end of the second fixed shaft away from the second connecting frame passes through the third connecting rod and is fixedly connected to a limiting plate. The outer wall of the limiting plate on one side close to the second connecting frame is fixedly connected with a second elastic component. The side of the second elastic component away from the limiting plate is fixedly connected to the third connecting rod. The second fixed shaft improves the stability of the second connecting frame during movement.

[0011] According to the above technical solution, the bottom outer wall of the chamber is fixedly connected with a second connecting shaft, the outer wall on the side away from the chamber passes through the connecting block and is fixedly connected with a second spring, the outer wall on the side close to the chamber is fixedly connected to the connecting block, and the second spring is used for resetting the chamber.

[0012] According to the above technical solution, a second motor is fixedly connected to an outer wall of a side of the second connecting pipe close to the chamber, an output end of the second motor passes through the second connecting pipe and is fixedly connected to a second conveying shaft, a valve is fixedly connected to an outer wall of a side of the second connecting pipe away from the chamber, and the second motor conveys the material to be processed to the inside of the air grinding chamber through the second connecting pipe via the second conveying shaft.

[0013] According to the above technical solution, the outer wall of the first connecting tube is fixedly connected to the first motor, the output end of the first motor passes through the first connecting tube and is fixedly connected to the first conveying shaft, the outer wall of the first connecting tube on one side close to the first motor is fixedly connected to the feeding pipe, the outer wall of the feeding pipe on the side away from the first connecting tube is fixedly connected to the feeding port, and the first motor conveys the logistics inside the feeding pipe to the inside of the chamber through the first conveying shaft.

[0014] According to the above technical solution, a first connecting frame is fixedly sleeved on an outer surface of a side of the first connecting tube close to the telescopic tube, a first connecting shaft is fixedly connected to a bottom outer wall of the first connecting frame, an end of the first connecting shaft away from the first connecting frame passes through a fixing ring and is fixedly connected to a first spring, an outer wall of a side of the first spring close to the first connecting frame is fixedly connected to the fixing ring, a first connecting rod is fixedly connected to an outer wall of a side of the first connecting frame away from the first spring, an outer wall of a side of the first connecting frame away from the first connecting frame is fixedly connected to the first supporting frame, and the first connecting frame plays a role of auxiliary support for the first connecting tube through the first connecting rod.

[0015] Compared with the prior art, the present invention provides an airflow grinding chamber that can improve weighing accuracy and has the following beneficial effects: 1. The present invention provides an air flow mill chamber that can improve weighing accuracy. When weighing the crushed material, first, the first motor drives the first conveying shaft to convey the material in the feed pipe to the chamber, and then the first force-bearing block weighs the material inside the chamber. The material after preliminary weighing enters the air mill chamber through the second connecting pipe, and the adjustment component assists in adjusting the outside of the top of the air mill chamber to improve its movement stability. At the same time, the second support frame bears the weight of the material inside the air mill chamber, thereby achieving accurate weighing of the material during air mill chamber processing, avoiding waste and over-processing, and reducing processing costs.

[0016] 2. The present invention supports and weighs multiple points at the bottom of the chamber by setting a weighing device and a plurality of first force-bearing blocks at the bottom of the chamber, thereby weighing the initial weight of the material entering the air mill chamber. When the second motor conveys the material to the air mill chamber through the second conveying shaft, the weight of the material inside the air mill chamber is checked by the reduced weight inside the chamber, thereby improving the accuracy of the weight of the material inside the air mill chamber.

[0017] 3. The present invention provides an auxiliary mechanism. When the material to be crushed enters the air mill chamber, the contact area between the convex block and the material is increased to improve the efficiency of material crushing. At the same time, the material that does not meet the standards is filtered through the filter. The sliding frame drives the filter to vibrate with the help of the flow of air in the air mill chamber, thereby avoiding clogging of the filter and preventing the material blocked in the filter from affecting the weight of the uncrushed material in the air mill chamber.

[0018] 4. The present invention provides an adjustment component to assist in supporting the top outer wall of the air mill chamber through the second force-bearing block, thereby improving the stability of the air mill chamber during operation, and further facilitating the second support frame to detect the weight of the material in the air mill chamber. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a schematic diagram of the overall front structure of the present invention; Figure 2 It is a schematic diagram of the overall front cross-sectional structure of the present invention; Figure 3 It is a schematic cross-sectional structural diagram of the weighing device of the present invention; Figure 4 For the present invention Figure 2 A is a schematic diagram of the enlarged structure of the middle part; Figure 5 It is a schematic diagram of the auxiliary mechanism structure of the present invention; Figure 6 It is a schematic diagram of the auxiliary mechanism structure of the present invention; Figure 7 It is a schematic diagram of the structure of the regulating component of the present invention; Figure 8 For the present invention Figure 2 Schematic diagram of the enlarged structure of B.

[0020] In the figure: 1, weighing device; 101, chamber; 102, fixing ring; 103, telescopic tube; 104, first connecting tube; 105, first connecting frame; 106, first connecting shaft; 107, first spring; 108, first connecting rod; 109, first supporting frame; 110, connecting block; 111, first supporting foot; 112, first motor; 113, first conveying shaft; 114, feeding pipe; 115, feeding port; 116, second connecting rod; 117, first force block; 118, second connecting pipe; 119, valve; 120, second motor; 121 , second conveying shaft; 122, second connecting shaft; 123, second spring; 2, auxiliary mechanism; 201, air grinding chamber; 202, air inlet pipe; 203, discharge pipe; 204, sliding frame; 205, first fixed shaft; 206, first elastic component; 207, filter screen; 208, bump; 209, second supporting frame; 210, second supporting foot; 211, third connecting rod; 212, adjusting component; 2121, second force block; 2122, second connecting frame; 2123, second fixed shaft; 2124, limit plate; 2125, second elastic component. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments.

[0022] Examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are intended to be used to explain the present invention, and should not be construed as limiting the present invention.

[0023] In the present invention, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0024] Example 1: See Figure 1-Figure 6 The present invention provides a technical solution: an airflow mill chamber capable of improving weighing accuracy, comprising a weighing device 1, the weighing device 1 comprising a chamber 101, an outer wall of the chamber 101 is fixedly sleeved with a fixing ring 102, a top outer wall of the chamber 101 is fixedly connected with a telescopic tube 103, an outer wall of the telescopic tube 103 at one end away from the chamber 101 is fixedly connected with a first connecting tube 104, an outer surface of the first connecting tube 104 is fixedly sleeved with a first supporting frame 109, a second connecting tube 118 is fixedly connected with the bottom of the chamber 101, a connecting block 110 is arranged on one side of the chamber 101 close to the second connecting tube 118, a first supporting foot 111 is fixedly connected with the bottom of the connecting block 110, and the first supporting frame 109 is away from the first connecting tube 10 One end of the connecting block 110 is fixedly connected to the connecting block 110, and the inner wall of one side of the connecting block 110 close to the chamber 101 is fixedly connected to the second connecting rod 116, and the inner wall of one end of the second connecting rod 116 away from the connecting block 110 is fixedly connected to the first force block 117, and the top of the first force block 117 is fixedly connected to the bottom of the chamber 101. When it is necessary to weigh the material to be crushed, firstly, the first motor 112 drives the first conveying shaft 113 to convey the material inside the feed pipe 114 to the inside of the chamber 101, and then, the first force block 117 set at the bottom of the chamber 101 weighs the weight of the material inside the chamber 101, and the material after preliminary weighing enters the inside of the air mill chamber through the second connecting pipe, and also includes: The auxiliary mechanism 2 includes a second connecting pipe 118, one end of which is away from the chamber 101 and is fixedly connected to the air mill chamber 201, a protrusion 208 is fixedly connected to the inner wall of the air mill chamber 201, an air inlet pipe 202 is fixedly connected to the bottom of the air mill chamber 201, a second support frame 209 is arranged on the outer wall of the air mill chamber 201, a second support foot 210 is fixedly connected to the outer wall of the second support frame 209 on one side away from the air mill chamber 201, a discharge pipe 203 is fixedly connected to the outer wall of one end of the air mill chamber 201 away from the air inlet pipe 202, a third connecting rod 211 is fixedly connected to the top of the second support frame 209, and the third connecting rod 212 is fixedly connected to the outer wall of the second support frame 209. An adjusting component 212 is provided at one end of the connecting rod 211 away from the second supporting frame 209. An adjusting component 212 is provided on the outside of the top of the air grinding chamber 201, which can assist in adjusting the air grinding chamber 201, so as to improve the stability of the air grinding chamber 201 during movement. At the same time, a second supporting frame 209 is provided in the air grinding chamber 201, which bears the weight of the material inside the air grinding chamber 201, so that the weight of the material can be accurately weighed during the processing of the air grinding chamber 201, avoiding waste and over-processing of materials, thereby reducing processing costs. A sliding frame 204 is provided inside the air grinding chamber 201.

[0025] The bottom outer wall of the chamber 101 is fixedly connected with a second connecting shaft 122. The outer wall on one side of the second connecting shaft 122 away from the chamber 101 passes through the connecting block 110 and is fixedly connected with a second spring 123. The second spring 123 is used for resetting the chamber 101. The second spring 123 is fixedly connected with the connecting block 110 on the outer wall on one side close to the chamber 101.

[0026] A second motor 120 is fixedly connected to the outer wall of the second connecting pipe 118 on one side close to the chamber 101. The second motor 120 conveys the material to be processed to the inside of the air grinding chamber 201 through the second conveying shaft 121. The output end of the second motor 120 passes through the second connecting pipe 118 and is fixedly connected to the second conveying shaft 121. A valve 119 is fixedly connected to the outer wall of the second connecting pipe 118 on the side away from the chamber 101.

[0027] The outer wall of the first connecting tube 104 is fixedly connected to the first motor 112, and the first motor 112 transports the logistics inside the feed tube 114 to the inside of the chamber 101 through the first conveying shaft 113. The output end of the first motor 112 passes through the first connecting tube 104 and is fixedly connected to the first conveying shaft 113. The outer wall of the first connecting tube 104 on one side close to the first motor 112 is fixedly connected to the feed tube 114, and the outer wall of the feed tube 114 on the side away from the first connecting tube 104 is fixedly connected to the feed port 115.

[0028] A first connecting frame 105 is fixedly sleeved on the outer surface of one side of the first connecting tube 104 close to the telescopic tube 103, and a first connecting shaft 106 is fixedly connected to the bottom outer wall of the first connecting frame 105. The end of the first connecting shaft 106 away from the first connecting frame 105 passes through the fixing ring 102 and is fixedly connected to a first spring 107. The outer wall of the first spring 107 close to the first connecting frame 105 is fixedly connected to the fixing ring 102, and the outer wall of the first connecting frame 105 away from the first spring 107 is fixedly connected to the first connecting rod 108. The first connecting frame 105 plays an auxiliary supporting role for the first connecting tube 104 through the first connecting rod 108, and the outer wall of the first connecting rod 108 away from the first connecting frame 105 is fixedly connected to the first supporting frame 109.

[0029] The working principle of this embodiment is as follows: when it is necessary to weigh the material to be crushed, first, the first motor 112 conveys the material in the feed pipe 114 to the interior of the chamber 101 through the first conveying shaft 113, and the plurality of first force-bearing blocks 117 arranged at the bottom of the chamber 101 support and weigh the bottom of the chamber 101, thereby weighing the initial weight of the material entering the air mill chamber 201, and the material after preliminary weighing enters the air mill chamber 201 through the second connecting pipe 118, and the adjusting component 212 adjusts the weight of the material entering the top of the air mill chamber 201. Auxiliary adjustment is performed to improve the stability of the air grinding chamber 201 during movement. At the same time, the second support frame 209 bears the weight of the material inside the air grinding chamber 201, so as to accurately weigh the weight of the material during the processing of the air grinding chamber 201, avoid waste and over-processing of materials, and reduce processing costs. When the second motor 120 conveys the material to the air grinding chamber 201 through the second conveying shaft 121, the weight of the material inside the air grinding chamber 201 is checked by the reduced weight inside the chamber 101, thereby improving the accuracy of the weight of the material inside the air grinding chamber 201.

[0030] Example 2: Please refer to Figure 7-Figure 8 On the basis of the first embodiment, the present invention provides a technical solution: the top outer wall of the sliding frame 204 is fixedly connected with a first fixed shaft 205, the outer wall surface of the first fixed shaft 205 is slidably connected with the inner wall of the air grinding chamber 201, the inner wall of the sliding frame 204 is fixedly connected with a filter screen 207, the top of the sliding frame 204 is fixedly connected with a first elastic component 206, the first elastic component 206 makes the sliding frame 204 slide up and down during operation, so that the filter screen 207 vibrates to avoid clogging of the filter screen 207, and the end of the first elastic component 206 away from the sliding frame 204 is fixedly connected to the air grinding chamber 201.

[0031] The adjusting component 212 includes a second force block 2121 fixedly connected to the outer wall of the air grinding chamber 201. The second force block 2121 increases the stability of the top of the air grinding chamber 201 during operation through a second elastic component 2125. The outer wall of the second force block 2121 is fixedly connected to a second connecting frame 2122, and the outer wall of the second connecting frame 2122 is fixedly connected to a second fixed shaft 2123.

[0032] The end of the second fixed shaft 2123 away from the second connecting frame 2122 passes through the third connecting rod 211 and is fixedly connected to the limiting plate 2124. The second fixed shaft 2123 improves the stability of the second connecting frame 2122 during movement. The outer wall of the limiting plate 2124 close to the second connecting frame 2122 is fixedly connected with a second elastic component 2125. The second elastic component 2125 is fixedly connected to the third connecting rod 211 on the side away from the limiting plate 2124.

[0033] The working principle of this embodiment is as follows: when the material to be crushed enters the air mill chamber 201, on the one hand, the contact area with the material is increased by the protrusion 208 to improve the material crushing efficiency; on the other hand, the material that does not meet the standards is filtered through the filter screen 207. At the same time, the flow of airflow in the air mill chamber 201 causes the sliding frame 204 to slide up and down, and the first elastic component 206 further assists the operation of the sliding frame 204, thereby causing the filter screen 207 to vibrate to avoid clogging of the filter screen 207 and preventing the material blocked inside the filter screen 207 from affecting the weight of the uncrushed material in the air mill chamber 201. In addition, the top outer wall of the air mill chamber 201 is auxiliary supported by the second force-bearing block 2121 to improve the stability of the air mill chamber 201 during operation, which is beneficial for the second support frame 209 to detect the weight of the material in the air mill chamber 201.

[0034] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0035] Finally, it should be noted that the above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. An airflow grinding chamber capable of improving weighing accuracy, comprising a weighing device (1), the weighing device (1) comprising a chamber (101), the outer wall of the chamber (101) being fixedly sleeved with a fixing ring (102), the top outer wall of the chamber (101) being fixedly connected with a telescopic tube (103), the outer wall of one end of the telescopic tube (103) away from the chamber (101) being fixedly connected with a first connecting tube (104), the outer surface of the first connecting tube (104) being fixedly sleeved with a first supporting frame (109), the bottom of the chamber (101) being fixedly connected with a second connecting tube (118), the chamber (101) being close to the first connecting tube (119). A connecting block (110) is provided on one side of the second connecting tube (118); a first supporting foot (111) is fixedly connected to the bottom of the connecting block (110); an end of the first supporting frame (109) away from the first connecting tube (104) is fixedly connected to the connecting block (110); a second connecting rod (116) is fixedly connected to the inner wall of a side of the connecting block (110) close to the chamber (101); a first force-bearing block (117) is fixedly connected to the inner wall of an end of the second connecting rod (116) away from the connecting block (110); and a top of the first force-bearing block (117) is fixedly connected to the bottom of the chamber (101), characterized in that: Also included are: The auxiliary mechanism (2) comprises a second connecting pipe (118) having one end away from the chamber (101) fixedly connected to an air mill chamber (201), an inner wall of the air mill chamber (201) fixedly connected to a protrusion (208), a bottom of the air mill chamber (201) fixedly connected to an air inlet pipe (202), an outer wall of the air mill chamber (201) provided with a second support frame (209), an outer wall of the second support frame (209) on a side away from the air mill chamber (201) fixedly connected to a second support foot (210), an outer wall of the air mill chamber (201) on one end away from the air inlet pipe (202) fixedly connected to a discharge pipe (203), a top of the second support frame (209) fixedly connected to a third connecting rod (211), an end of the third connecting rod (211) away from the second support frame (209) provided with an adjustment assembly (212), and a sliding frame (204) provided inside the air mill chamber (201).

2. The airflow grinding chamber capable of improving weighing accuracy according to claim 1, characterized in that: A first fixed shaft (205) is fixedly connected to the top outer wall of the sliding frame (204); an outer wall surface of the first fixed shaft (205) is slidably connected to the inner wall of the air grinding chamber (201); a filter screen (207) is fixedly connected to the inner wall of the sliding frame (204); a first elastic component (206) is fixedly connected to the top of the sliding frame (204); an end of the first elastic component (206) away from the sliding frame (204) is fixedly connected to the air grinding chamber (201).

3. The airflow grinding chamber capable of improving weighing accuracy according to claim 1, characterized in that: The adjustment assembly (212) comprises a second force-bearing block (2121) fixedly connected to the outer wall of the gas grinding chamber (201); the outer wall of the second force-bearing block (2121) is fixedly connected to a second connecting frame (2122); and the outer wall of the second connecting frame (2122) is fixedly connected to a second fixed shaft (2123).

4. The airflow grinding chamber capable of improving weighing accuracy according to claim 3, characterized in that: One end of the second fixed shaft (2123) away from the second connecting frame (2122) passes through the third connecting rod (211) and is fixedly connected to the limiting plate (2124); a second elastic component (2125) is fixedly connected to an outer wall of a side of the limiting plate (2124) close to the second connecting frame (2122); and a side of the second elastic component (2125) away from the limiting plate (2124) is fixedly connected to the third connecting rod (211).

5. The airflow grinding chamber capable of improving weighing accuracy according to claim 1, characterized in that: A second connecting shaft (122) is fixedly connected to the bottom outer wall of the chamber (101); the second connecting shaft (122) penetrates the connecting block (110) on the outer wall on the side away from the chamber (101) and is fixedly connected to a second spring (123); the second spring (123) is fixedly connected to the connecting block (110) on the outer wall on the side close to the chamber (101).

6. The airflow grinding chamber capable of improving weighing accuracy according to claim 1, characterized in that: A second motor (120) is fixedly connected to an outer wall of the second connecting tube (118) on one side close to the chamber (101); an output end of the second motor (120) passes through the second connecting tube (118) and is fixedly connected to a second conveying shaft (121); and a valve (119) is fixedly connected to an outer wall of the second connecting tube (118) on one side away from the chamber (101).

7. The airflow grinding chamber capable of improving weighing accuracy according to claim 1, characterized in that: The outer wall of the first connecting tube (104) is fixedly connected to a first motor (112); the output end of the first motor (112) passes through the first connecting tube (104) and is fixedly connected to a first conveying shaft (113); a feeding tube (114) is fixedly connected to the outer wall of the first connecting tube (104) on one side close to the first motor (112); and a feeding port (115) is fixedly connected to the outer wall of the feeding tube (114) on one side away from the first connecting tube (104).

8. The airflow grinding chamber capable of improving weighing accuracy according to claim 1, characterized in that: A first connecting frame (105) is fixedly sleeved on an outer surface of a side of the first connecting tube (104) close to the telescopic tube (103); a first connecting shaft (106) is fixedly connected to an outer wall at the bottom of the first connecting frame (105); an end of the first connecting shaft (106) away from the first connecting frame (105) passes through a fixing ring (102) and is fixedly connected to a first spring (107); an outer wall of a side of the first spring (107) close to the first connecting frame (105) is fixedly connected to the fixing ring (102); an outer wall of a side of the first connecting frame (105) away from the first spring (107) is fixedly connected to a first connecting rod (108); and an outer wall of a side of the first connecting rod (108) away from the first connecting frame (105) is fixedly connected to a first supporting frame (109).

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