Grain and oil raw material impurity removal device

Abstract

The grain and oil raw material impurity removal device comprises a barrel, a separation assembly, a blowing-away assembly, an impurity removal assembly, a sieve plate and a transmission assembly, the side wall of the barrel communicates with a feeding pipeline, and an impurity discharging opening is formed in the bottom of the barrel; the sieve plate is slidably arranged at the impurity discharge port; a ventilation pipeline penetrates through the center of the cylinder body, and a plurality of air holes are uniformly distributed in the ventilation pipeline; the blowing-away assembly is arranged outside the cylinder body and is connected with the ventilation pipeline; the separation assembly is rotationally arranged on the ventilation pipeline and divides the barrel into a plurality of spaces, and the exhaust direction of the air holes is located in the space over the air holes; a driving mechanism is arranged on the outer wall of the barrel and connected with the separation assembly; the impurity removing assembly is arranged on the barrel, and the transmission assembly is connected with the driving mechanism and the sieve plate. Therefore, the grain and oil raw materials are separated in different spaces to be prevented from being accumulated in a large amount, the blowing-away assembly is assisted to disperse the accumulated raw materials, the impurity removal effect is improved, light impurities and heavy impurities can be separated at the same time, and the impurity removal efficiency is improved.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of impurity removal of grain and oil raw materials, and in particular to an impurity removal device for grain and oil raw materials. BACKGROUND

[0002] In the grain and oil processing industry, raw materials (such as corn, soybeans, wheat, etc.) must go through a strict impurity removal process before entering the main production line for milling, pressing or refining. The light impurities (such as dust, chaff, straw fragments, etc.) and heavy impurities (such as mud, small stones, broken particles, immature particles) mixed in the raw materials not only reduce the quality and taste of the final product, but also accelerate the wear and tear of the equipment, affect the production efficiency and equipment life, and even contaminate the oil or cause food safety hazards.

[0003] Currently, grain and oil impurity removal usually adopts a combination of air separation and screening, that is, first separating and sucking the light impurities with an air separator, and then screening with a drum screen to separate the small heavy impurities through the screen holes.

[0004] However, this impurity removal method needs to be operated in different devices in steps, which is low in efficiency, and in the screening process, the raw materials are prone to accumulate inside the screen cylinder, and the small heavy impurities are wrapped in the material layer, which cannot be effectively separated, affecting the separation effect of impurities. SUMMARY

[0005] The present application aims to at least solve one of the technical problems in the related art to some extent.

[0006] To this end, one object of the present application is to provide an impurity removal device for grain and oil raw materials, which separates the grain and oil raw materials in different spaces to avoid accumulation, and uses a blowing and scattering assembly to scatter the accumulated raw materials, thereby improving the impurity removal effect and separating both light and heavy impurities, and improving the impurity removal efficiency.

[0007] To achieve the above object, the first aspect of the present application provides a grain and oil raw material impurity removal device, which comprises a cylinder, a separation assembly, a blowing assembly, an impurity removal assembly, a sieve plate and a transmission assembly, wherein the cylinder is arranged on a box, a side wall of the cylinder is provided with a feeding pipe, and a bottom of the cylinder is provided with an impurity discharge port; the sieve plate is slidably arranged at the impurity discharge port; a central part of the cylinder is provided with an air passage, a plurality of air holes are uniformly distributed on the air passage; the blowing assembly is arranged outside the cylinder and connected with the air passage; the separation assembly is rotatably arranged on the air passage and separates the cylinder into a plurality of spaces, and the air exhaust direction of the air hole is located in the space directly above; an outer wall of the cylinder is provided with a driving mechanism, the separation assembly is connected with the driving mechanism; the impurity removal assembly is arranged on the cylinder and connected with the space directly above; and the transmission assembly is arranged outside the cylinder and connected with the driving mechanism and the sieve plate respectively.

[0008] In addition, the grain and oil raw material impurity removal device provided by the present application can have the following additional technical features. In an embodiment of the present application, the separation assembly comprises a shaft sleeve, a plurality of partition plates and a plurality of scraper plates, wherein the shaft sleeve is sleeved on the outer wall of the air passage through a bearing, a plurality of through grooves are formed in the shaft sleeve, and the plurality of through grooves are arranged in different spaces respectively; the plurality of partition plates are uniformly arranged on the shaft sleeve; and the plurality of scraper plates are arranged at the ends of the corresponding partition plates respectively.

[0009] In an embodiment of the present application, the driving mechanism comprises a motor, a rotating shaft, a first gear and a second gear which are engaged with each other, wherein the motor is mounted on the outer wall of the cylinder; the rotating shaft is connected with the output end of the motor; and the first gear and the second gear are arranged on the rotating shaft and the shaft sleeve respectively.

[0010] In an embodiment of the present application, the transmission assembly comprises a positioning shaft, a swing rod, a sliding rod and a first connecting rod, wherein the positioning shaft is arranged on the outer wall of the center of the air passage, the positioning shaft is a hollow pipe body and is connected with the air passage, the swing rod is rotatably connected with the positioning shaft, a first sliding groove is formed through the swing rod, the sliding rod is eccentrically arranged on the first gear, the sliding rod is slidably connected with the first sliding groove, the bottom of the sieve plate is provided with a connecting plate, and the first connecting rod is rotatably arranged at the end of the swing rod and is threadedly connected with the connecting plate.

[0011] In an embodiment of the present application, the blowing assembly comprises a cylinder, a piston, a push-pull rod and a second connecting rod, the cylinder is mounted on the outer wall of the barrel by a support, and the cylinder is communicated with the positioning shaft through a conduit 9; the piston is slidingly arranged in the cylinder; the push-pull rod is connected with the piston; the second connecting rod is pivotally connected with the slide rod and the push-pull rod at two ends thereof.

[0012] In an embodiment of the present application, the impurity removing assembly comprises a shell, a fan, an adsorption cover and an impurity hopper, wherein the shell is arranged obliquely above the barrel by a support plate; the fan is arranged in the shell; the adsorption cover is communicated with the barrel and the shell respectively; the impurity hopper is arranged at the bottom of the shell in communication.

[0013] In an embodiment of the present application, a second chute is arranged on the inner wall of the barrel near the impurity discharging port, and a sliding block is slidingly connected in the second chute, and the sliding block is connected with the sieve plate.

[0014] Compared with the prior art, the present application has at least the following beneficial effects: the device separates the grain and oil raw materials in different spaces by the rotatable partition plate, effectively preventing a large amount of accumulation. At the same time, the transmission assembly and the blowing assembly work cooperatively: driving the sieve to reciprocating swing to accelerate the screening of heavy impurities, and generating a blowing gas flow to disperse the raw materials to assist in impurity removal. In addition, the impurity removing assembly is specially designed to separate light impurities, thereby significantly improving the overall impurity removal efficiency and effect.

[0015] Additional aspects and advantages of the present application will be in part apparent and in part pointed out hereinafter. BRIEF DESCRIPTION OF DRAWINGS

[0016] The above and / or additional aspects and advantages of the present application will become apparent and be readily appreciated from the following description, including the appended drawings. Figure 1 Structure diagram of the grain and oil raw material impurity removing device of an embodiment of the present application Figure 1 ; Figure 2 Cross-sectional view of the grain and oil raw material impurity removing device of an embodiment of the present application Figure 3 Enlarged structure diagram of area A in the present application Figure 2 Figure 4 Structure diagram of the grain and oil raw material impurity removing device of an embodiment of the present application Figure 2 Figure 5 Structure diagram of the blowing assembly of the grain and oil raw material impurity removing device of an embodiment of the present application ​​Figure 6 This is a schematic structural diagram of a transmission assembly in a grain and oil raw material impurity removal device according to one embodiment of the present application; Figure 7 This is a schematic diagram of the connection structure between the sieve plate and the connecting plate in the grain and oil raw material impurity removal device according to one embodiment of the present application; Figure 8 This is a schematic diagram of the structure of the air holes in a grain and oil raw material impurity removal device according to one embodiment of the present application.

[0017] As shown in the figure: 1. Cylinder; 2. Partition assembly; 3. Blowing assembly; 4. De-duster assembly; 5. Screen plate; 6. Driving mechanism; 7. Transmission assembly; 8. Cover plate; 9. Conduit; 10. Box; 11. Ventilation duct; 12. Air hole; 13. Feed pipe; 15. Bracket; 16. Connecting plate; 17. Second chute; 18. Slider; 21. Bushing; 22. Partition; 23. Scraper; 210. Through groove; 31. Cylinder; 32. Piston; 33. Push-pull rod; 34. Second connecting rod; 41. Housing; 42. Fan; 43. Adsorption cover; 44. Miscellaneous material hopper; 61. Motor; 62. Rotating shaft; 63. First gear; 64. Second gear; 71. Positioning shaft; 72. Swing rod; 73. Sliding rod; 74. First connecting rod; 720. First chute. DETAILED DESCRIPTION

[0018] The embodiments of the present application are described in detail below. 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 application and are not to be construed as limiting the present application. On the contrary, the embodiments of the present application include all variations, modifications, and equivalents that fall within the spirit and scope of the appended claims.

[0019] The grain and oil raw material impurity removal device of the embodiment of the present application is described below with reference to the accompanying drawings.

[0020] like Figures 1 to 8 As shown, the grain and oil raw material impurity removal device of the embodiment of the present application may include a cylinder 1, a partition component 2, a blowing component 3, an impurity removal component 4, a sieve plate 5 and a transmission component 7.

[0021] The cylinder 1 is arranged on the box body 10 , a feed pipe 13 is connected to the side wall of the cylinder 1 , and a debris discharge port is provided at the bottom of the cylinder 1 .

[0022] It should be noted that the feed pipe 13 is used to feed grain and oil raw materials (such as soybeans, corn, wheat, etc.) into the cylinder 1, and the discharge port is used to discharge impurities with a volume smaller than the grain and oil raw materials, such as stones, soil blocks, etc., and a discharge port is provided on the cylinder 1, and a cover plate 8 is detachably connected to the discharge port, wherein the discharge port is used to discharge the grain and oil raw materials after the impurity removal treatment.

[0023] The sieve plate 5 is slidingly arranged at the impurity discharge port.

[0024] It should be noted that the sieve plate 5 is used to screen out impurities smaller than the grain and oil raw materials, the sieve plate 5 is an arc-shaped plate structure, and the mesh of the sieve plate 5 is smaller than the diameter of the grain and oil raw materials.

[0025] The central part of the cylinder body 1 is provided with a ventilation pipe 11, a plurality of air holes 12 are uniformly distributed on the ventilation pipe 11, and the blowing assembly 3 is arranged outside the cylinder body 1 and connected with the ventilation pipe 11.

[0026] In the embodiment of the present application, the ventilation pipe 11 is arranged through the cylinder body 1, the two ends of the ventilation pipe 11 are blocked, and the blowing assembly 3 is used to blow gas into the ventilation pipe 11, the gas is discharged through the air holes 12, and the grain and oil raw materials are blown upward to avoid accumulation, which is helpful for impurity separation.

[0027] The partition assembly 2 is rotationally arranged on the ventilation pipe 11 and divides the cylinder body 1 into a plurality of spaces, the exhaust direction of the air holes 12 is located in the space directly above, the outer wall of the cylinder body 1 is provided with a driving mechanism 6, the partition assembly 2 is connected with the driving mechanism 6, and the impurity removal assembly 4 is arranged on the cylinder body 1 and connected with the space directly above.

[0028] It should be noted that the driving mechanism 6 is used to drive the partition assembly 2 to rotate and drive the grain and oil raw materials to rotate, when the grain and oil raw materials rotate to the space directly above, the gas blown out of the air holes 12 will disperse the grain and oil raw materials, so that the lighter impurities (such as straw fragments, leaf fragments, and pod fragments) in the grain and oil raw materials fly upward and disperse, and the light impurities are separated out in cooperation with the impurity removal assembly 4.

[0029] The transmission assembly 7 is arranged outside the cylinder body 1 and connected with the driving mechanism 6 and the sieve plate 5 respectively.

[0030] In the embodiment of the present application, when the driving mechanism 6 is started, the sieve plate 5 can be reciprocally swung through the cooperation of the transmission assembly 7, so as to remove small particle heavy impurities in the grain and oil raw materials, and the impurities will automatically fall into the inside of the box body 10. The inside of the box body 10 is provided with a movable storage groove, so as to facilitate the collection of the impurities.

[0031] In one embodiment of the present application, as shown in Figure 2 The partition assembly 2 includes a shaft sleeve 21, a plurality of partition plates 22 and a plurality of scraper plates 23, wherein the shaft sleeve 21 is sleeved on the outer wall of the ventilation pipe 11 through a bearing, and a plurality of through grooves 210 are formed in the shaft sleeve 21, the plurality of through grooves 210 are arranged in different spaces respectively; the plurality of partition plates 22 are uniformly arranged on the shaft sleeve 21; and the plurality of scraper plates 23 are arranged at the end portions of the corresponding partition plates 22 respectively.

[0032] When the through slot 210 is turned to the position of the air hole 12, the gas sprayed from the air hole 12 blows away the grain and oil raw materials in the space.

[0033] Further, the scraper 23 can be made of flexible material, which can drive the grain and oil raw materials in the cylinder 1 to rotate during the rotation of the scraper 23 and the partition plate 22.

[0034] In an embodiment of the present application, as shown in Figure 6 the driving mechanism 6 comprises a motor 61, a rotating shaft 62, a first gear 63 and a second gear 64 which are engaged with each other, wherein the motor 61 is mounted on the outer wall of the cylinder 1; the rotating shaft 62 is connected to the output end of the motor 61; the first gear 63 and the second gear 64 are arranged on the rotating shaft 62 and the shaft sleeve 21, respectively.

[0035] In an embodiment of the present application, when the motor 61 is started, the rotating shaft 62 is driven to rotate, and the shaft sleeve 21 is rotated through the cooperation between the first gear 63 and the second gear 64.

[0036] Further, as shown in Figure 6 and Figure 4 the transmission assembly 7 comprises a positioning shaft 71, a swing rod 72, a sliding rod 73 and a first connecting rod 74, wherein the positioning shaft 71 is arranged on the outer wall of the center of the air duct 11, and the positioning shaft 71 is a hollow pipe body and is in communication with the air duct 11; the swing rod 72 is rotatably connected to the positioning shaft 71, and a first sliding groove 720 is arranged through the swing rod 72; the sliding rod 73 is eccentrically arranged on the first gear 63, and the sliding rod 73 is slidably connected to the first sliding groove 720; the bottom of the sieve plate 5 is provided with a connecting plate 16, and the first connecting rod 74 is rotatably arranged at the end of the swing rod 72 and is threadedly connected to the connecting plate 16.

[0037] It should be noted that the positioning shaft 71 is coaxially arranged with the air duct 11, and when the sliding rod 73 rotates with the first gear 63, the sliding rod 73 slides in the first sliding groove 720 and reciprocatingly swings the swing rod 72, and under the action of the first connecting rod 74 and the connecting plate 16, the sieve plate 5 is reciprocatingly swung, which accelerates the screening efficiency, so that the reciprocating swinging of the sieve plate 5 can be realized without other driving mechanisms.

[0038] Further, as shown in Figure 2 an arc-shaped groove is arranged through the box 10, and the first connecting rod 74 is connected to the connecting plate 16 through the arc-shaped groove.

[0039] In an embodiment of the present application, as shown in Figure 5As shown, the blowing assembly 3 comprises a cylinder 31, a piston 32, a push-pull rod 33 and a second connecting rod 34, the cylinder 31 is installed on the outer wall of the barrel 1 through the support 15, and the cylinder 31 is communicated with the positioning shaft 71 through the conduit 9; the piston 32 is slidingly arranged in the interior of the cylinder 31; the push-pull rod 33 is connected with the piston 32; the two ends of the second connecting rod 34 are respectively pivotally connected with the slide rod 73 and the push-pull rod 33.

[0040] It should be noted that the support 15 is an L-shaped structure, and the cylinder 31 is suspended on the outside of the barrel 1 through the support 15 and does not interfere with the swing of the swing rod 72.

[0041] Further, the cylinder 31 is provided with an air inlet pipe, and a one-way valve (not shown in the figure) is arranged on the air inlet pipe. The one-way valve allows external gas to enter the interior of the cylinder 31 in one direction, but does not allow the gas in the cylinder 31 to be discharged. Specifically, in the process of rotating the slide rod 73, the second connecting rod 34 drives the push-pull rod 33 and the piston 32 to move up and down reciprocatingly. When the push-pull rod 33 and the piston 32 move downward, the volume of the cylinder 31 decreases, and the gas in the cylinder 31 enters the interior of the air duct 11 through the conduit 9, the positioning shaft 71 and the air duct 11, and is finally discharged from the air hole 12, thereby blowing away the grain and oil raw materials in the space directly above.

[0042] In an embodiment of the present application, as shown in Figure 2 The impurity removal assembly 4 comprises a shell 41, a fan 42, an adsorption cover 43 and an impurity hopper 44, wherein the shell 41 is arranged obliquely above the barrel 1 through the support plate 45; the fan 42 is arranged in the shell 41; the adsorption cover 43 is communicated with the barrel 1 and the shell 41 respectively; and the impurity hopper 44 is communicated and arranged at the bottom of the shell 41.

[0043] It should be noted that the impurity hopper 44 described in this embodiment is arranged lower than the shell 41, and the cross section of the impurity hopper 44 is in a structure of large at the top and small at the bottom. After the fan 42 is started, a certain suction force can be generated, and an adsorption force can be generated on the barrel 1 through the adsorption cover 43. After the grain and oil raw materials are blown away by the air in the air hole 12, the light impurities in the grain and oil raw materials are sucked into the interior of the shell 41, and when passing through the impurity hopper 44, the concave impurity hopper 44 destroys the smooth flow boundary, so that a vortex (or flow stagnation zone) is formed in the interior of the impurity hopper 44. At this time, the light impurities will automatically fall into the interior of the impurity hopper 44.

[0044] Further, the bottom of the impurity hopper 44 is provided with a through slot for discharging impurities, which facilitates the discharge of impurities. A shielding plate is detachably arranged on the through slot.

[0045] As a possible case, a screw conveyor can be arranged in the interior of the impurity hopper 44 to facilitate the discharge of impurities.

[0046] In an embodiment of the present application, as shown inFigure 2 and Figure 3 As shown in the drawings, the inner wall of the barrel 1 is provided with a second chute 17 near the position of the impurity discharge port, and a sliding block 18 is slidably connected in the second chute 17, and the sliding block 18 is connected with the sieve plate 5.

[0047] In the embodiment of the present application, the second chute 17 is an arc-shaped groove, and the second chute 17 and the sliding block 18 can guide the oscillation of the sieve plate 5, thereby improving the stability of the oscillation of the sieve plate 5.

[0048] Specifically, the relevant personnel control the motor 61 to start and drive the rotating shaft 62 to rotate, and through the cooperation between the first gear 63 and the second gear 64, the shaft sleeve 21 is driven to rotate, and the baffle 22 follows the rotation, and then the grain and oil raw materials can be poured into the inside of the barrel 1 through the feed pipe 13, and the grain and oil raw materials will fall into different spaces, so as to avoid excessive accumulation of the grain and oil raw materials.

[0049] When the first gear 63 rotates, the sliding rod 73 is driven to rotate, and the oscillating rod 72 is driven to reciprocate around the positioning shaft 71, so as to drive the sieve plate 5 to reciprocate, thereby accelerating the screening of small-particle heavy impurities in the raw materials, and the small-particle heavy impurities pass through the sieve holes and enter the inside of the box body 10.

[0050] Further, in the process of rotation of the sliding rod 73, the push-pull rod 33 and the piston 32 are driven to reciprocate through the cooperation of the second connecting rod 34, and then a sweeping gas flow is formed in the ventilation pipe 11 through the conduit 9, and the sweeping gas flow is finally discharged through the air hole 12 to blow away the grain and oil raw materials above it, thereby effectively preventing accumulation and avoiding that the light impurities are wrapped.

[0051] At the same time, after the fan 42 starts, a certain adsorption force is generated on the barrel 1 through the adsorption cover 43, so that the light impurities in the thrown grain and oil raw materials are sucked out and finally fall into the impurity hopper 44, so that the light impurities and the small-particle heavy impurities can be removed at the same time, without the need to rotate the grain and oil raw materials for multiple times, thereby improving the effect and efficiency of impurity removal.

[0052] When the impurity removal is completed, the cover plate 8 is opened, and the raw materials are discharged from the discharge port.

[0053] In summary, the grain and oil raw material impurity removal device of the embodiment of the present application separates the grain and oil raw materials in different spaces through the rotatable baffle, thereby effectively preventing excessive accumulation. At the same time, the transmission assembly and the blowing assembly work cooperatively: the sieve plate is driven to reciprocate to accelerate the screening of heavy impurities, and a sweeping gas flow is generated to disperse the raw materials to assist in impurity removal. In addition, the impurity removal assembly is specially designed to separate light impurities, thereby significantly improving the overall impurity removal efficiency and effect.

[0054] In the description of the specification, the terms "first", "second", "third", etc. are used only to describe various features, and are not to be construed as indicating or implying relative importance or a specific order of limiting the indicated technical features. Therefore, the features defined with "first", "second", etc. can explicitly or implicitly include at least one of the features. In the description of the present application, the meaning of "a plurality of" is at least two, for example, two, three, etc., unless otherwise specifically limited.

[0055] In the description of the specification, the description referring to the terms "one embodiment", "some embodiments", "an example", "a specific example", or "some examples" and the like means that the specific features, structures, materials or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the present application. In the present specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Also, the specific features, structures, materials or characteristics described can be combined in any appropriate manner in any one or more embodiments or examples. Furthermore, the person skilled in the art can combine and combine the different embodiments or examples described in the specification and the features of the different embodiments or examples, without contradiction.

[0056] Although the embodiments of the present application have been shown and described above, it is understood that the above-described embodiments are exemplary and are not to be construed as limiting the present application, and those skilled in the art can make changes, modifications, replacements and variations to the above-described embodiments within the scope of the present application.

Claims

1. A grain and oil raw material impurity removal device, characterized in that: It includes a cylinder, a partition assembly, a blowing assembly, a dust removal assembly, a screen plate and a transmission assembly, wherein: The cylinder is arranged on the box body, the side wall of the cylinder is connected with a feed pipe, and the bottom of the cylinder is provided with a debris discharge port; The sieve plate is slidably arranged at the impurity discharge port; A ventilation pipe is provided through the center of the cylinder, and a plurality of air holes are evenly distributed on the ventilation pipe; The blowing assembly is arranged outside the cylinder and is connected to the ventilation pipe; The partition assembly is rotatably mounted on the ventilation duct and divides the cylinder into a plurality of spaces, wherein the exhaust direction of the air hole is located in the space directly above; The outer wall of the cylinder is provided with a driving mechanism, and the partition assembly is connected to the driving mechanism; The impurity removal component is arranged on the cylinder and is in communication with the space directly above it; The transmission assembly is arranged outside the cylinder and is connected to the driving mechanism and the sieve plate respectively.

2. The grain and oil raw material impurity removal device according to claim 1, characterized in that: The separation assembly includes a shaft sleeve, a plurality of partitions and a plurality of scrapers, wherein: The shaft sleeve is mounted on the outer wall of the ventilation duct through a bearing sleeve, and a plurality of through slots 210 are formed on the shaft sleeve 21, and the plurality of through slots 210 are respectively arranged in different spaces; A plurality of the partitions are evenly arranged on the shaft sleeve; The plurality of scrapers are respectively arranged at the ends of the corresponding partitions.

3. The grain and oil raw material impurity removal device according to claim 2, characterized in that: The driving mechanism includes a motor, a rotating shaft, a first gear and a second gear meshing with each other, wherein: The motor is mounted on the outer wall of the cylinder; The rotating shaft is connected to the output end of the motor; The first gear and the second gear are respectively arranged on the rotating shaft and the shaft sleeve.

4. The grain and oil raw material impurity removal device according to claim 3, characterized in that: The transmission assembly includes a positioning shaft, a swing rod, a sliding rod and a first connecting rod, wherein, The positioning shaft is arranged on the central outer wall of the ventilation pipe, and the positioning shaft is a hollow tube body and is connected to the ventilation pipe; The swing rod is rotatably connected to the positioning shaft, and a first sliding groove is provided through the swing rod; The sliding rod is eccentrically arranged on the first gear, and the sliding rod is slidably connected to the first sliding groove; A connecting plate is provided at the bottom of the sieve plate, and the first connecting rod is rotatably arranged on the end of the swing rod and is threadedly connected to the connecting plate.

5. The grain and oil raw material impurity removal device according to claim 4, characterized in that: The blowing assembly includes a cylinder, a piston, a push-pull rod and a second connecting rod. The cylinder is mounted on the outer wall of the barrel through a bracket, and the cylinder is connected to the positioning shaft through a guide tube 9; The piston is slidably disposed inside the cylinder; The push-pull rod is connected to the piston; Both ends of the second connecting rod are pivotally connected to the sliding rod and the push-pull rod respectively.

6. The grain and oil raw material impurity removal device according to claim 1, characterized in that: The impurity removal component includes a shell, a fan, an adsorption cover and a miscellaneous material hopper, wherein: The shell is arranged obliquely above the cylinder through a support plate; The fan is arranged in the housing; The adsorption cover is respectively connected to the cylinder and the shell; The miscellaneous material hopper is communicatively arranged at the bottom of the shell body.

7. The grain and oil raw material impurity removal device according to claim 1, characterized in that: A second chute is provided on the inner wall of the cylinder near the impurity discharge port, a slider is slidably connected in the second chute, and the slider is connected to the sieve plate.

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