Raw material conveyor for food processing

Abstract

The invention relates to the technical field of raw material conveyors, in particular to a raw material conveyor for food processing, which comprises a box body and a feed hopper, and the feed hopper is communicated with a feed port of the box body; the device further comprises a driving device, a screening device, a backflow device, a conveying plate, limiting plates, a base and cutters, screening holes are formed in the conveying plate, the conveying plate is arranged in the box body in an upwards-inclined mode, the limiting plates are all arranged at the top end of the conveying plate, the base is slidably installed in the box body, the cutters are all arranged at the bottom end of the base, and the driving device is arranged in the box body. The driving device is used for driving the conveying plate to float up and down and shake left and right, the driving device is used for driving the base to reciprocate left and right, the screening device is arranged in the box body below the conveying plate, the screening device is used for secondarily screening and conveying raw materials, and the backflow device is arranged on the box body and used for backflow conveying of the raw materials. The screening and cutting effects of raw material conveying are improved, the working efficiency is improved, and the processing quality of raw materials is improved.

Description

Technical Field

[0001] The present invention relates to the technical field of raw material conveyors, and particularly to a raw material conveyor for food processing. Background Art

[0002] In the field of food processing, the conveyance of raw materials is a key link in the production process, and its efficiency, hygiene level and stability directly affect the overall quality and production efficiency of food processing. With the rapid development of the food industry, consumers have put forward higher requirements for the types, qualities and supply quantities of foods, which has imposed huge production pressures on food processing enterprises and also put forward more stringent and diversified requirements for the raw material conveyance link.

[0003] Currently, in existing raw material conveying equipment, such as the patent with the authorization publication number of CN118495087B, this automatic food raw material feeding device includes a conveyor, the conveyor includes a conveyor belt and conveyor frames arranged on both sides of the conveyor belt, and further includes a slow-speed blanking assembly arranged on one side of the conveyor. Food raw materials enter the conveyor smoothly through the slow-speed blanking assembly.

[0004] However, it is found in the use of this device that the screening effect of this device during the conveyance of food raw materials is poor, which increases the complexity of subsequent screening processing and reduces the processing quality of raw materials. Summary of the Invention

[0005] To solve the above technical problems, the present invention provides a raw material conveyor for food processing that improves the screening and cutting effects of raw material conveyance, improves work efficiency, and improves the processing quality of raw materials.

[0006] A raw material conveyor for food processing according to the present invention includes a box body and a feed hopper, and the feed hopper is communicatively provided at the feed inlet of the box body; it further includes a driving device, a screening device, a reflux device, a conveying plate, a limiting plate, a base and a cutting knife. The conveying plate is provided with screening holes, the conveying plate is arranged obliquely upward in the box body, a plurality of groups of limiting plates are arranged at the top of the conveying plate, the base is slidably installed in the box body, and a plurality of groups of cutting knives are arranged at the bottom of the base. A driving device is arranged in the box body, and the driving device is used to drive the conveying plate to float up and down and shake left and right, and the driving device is used to drive the base to reciprocate left and right. The screening device is arranged in the box body below the conveying plate, and the screening device is used to perform secondary screening and conveying of the raw materials. The reflux device is arranged on the box body, and the reflux device is used to reflux and convey the raw materials; the raw materials are put into the box body through the feed hopper, and the raw materials entering the box body fall onto the conveying plate. While driving the conveying plate to shake left and right, the driving device drives the conveying plate to float up and down, so that the movement of the conveying plate throws the raw materials obliquely upward. The raw materials are limited by a plurality of groups of limiting plates, so that the raw materials gradually move upward on the conveying plate. During the conveying process of the raw materials, screening is carried out through the screening holes, so that the raw materials with qualified particle sizes fall downward for conveying and discharging, and the large pieces of raw materials continue to move and be conveyed on the conveying plate.

[0007] Preferably, the driving device includes a guiding seat, a first crankshaft, a first connecting arm, a second crankshaft, a third crankshaft, a first sprocket and a first chain. The guiding seat is installed on the inner side wall of the box body, the base is slidably installed on the guiding seat, the first crankshaft is rotatably installed in the box body, one end of the first connecting arm is rotatably installed on the first crankshaft, and the other end of the first connecting arm is rotatably connected to the base. The second crankshaft and the third crankshaft are respectively rotatably installed in the box body, and the lower part of the conveying plate is fitted and sleeved on the second crankshaft and the third crankshaft. Three groups of first sprockets are respectively installed at the ends of the first crankshaft, the second crankshaft and the third crankshaft, and the three groups of first sprockets are driven by the first chain. The power device is arranged on the box body, and the power device is used to drive the second crankshaft to rotate; by driving the second crankshaft to rotate by the power device, after the second crankshaft rotates, the third crankshaft is driven to rotate through the first sprocket and the first chain. After the third crankshaft rotates, the first crankshaft is driven to rotate through the first sprocket and the first chain, so that during the rotation of the second crankshaft and the third crankshaft, the conveying plate floats up and down and shakes left and right. After the first crankshaft rotates, the base is driven to reciprocate left and right through the first connecting arm, realizing the synchronous effect of the left and right movement of the base and the left and right shaking of the conveying plate. When the conveying plate moves upward and approaches a plurality of groups of cutting knives, the plurality of groups of cutting knives cut the raw materials on the conveying plate, improving the continuity of the action.

[0008] Preferably, the screening device includes a transmission device, a screen plate, a second connecting arm, a support shaft, a roller shaft, and a belt. The screen plate is arranged below the conveying plate. The left end of the screen plate is rotatably installed on the box body through the support shaft. The bottom end of the second connecting arm is rotatably connected to the right part of the screen plate. The top end of the second connecting arm is rotatably sleeved on the third crankshaft. Multiple groups of roller shafts are rotatably installed in the box body. The belt is sleeved on multiple groups of roller shafts. A transmission device is arranged on the support shaft, and the transmission device is used to drive the rotation of the roller shafts. The raw materials screened by the conveying plate fall onto the screen plate. After the third crankshaft rotates, it drives the right part of the screen plate to swing up and down through the second connecting arm, so that the screen plate performs secondary screening and conveying of the raw materials. The crushed residues in the raw materials pass through the screen plate and fall onto the belt, and the complete raw materials are conveyed and discharged through the right end of the screen plate. When the screen plate swings up and down, it drives the support shaft to rotate forward and backward reciprocally. After the support shaft rotates, it drives the leftmost roller shaft to rotate through the transmission device, so that the roller shaft drives the belt to rotate, and the belt conveys and discharges the collected crushed residues, improving the effect of the conveyor to distinguish and convey raw materials of different sizes and improving work efficiency.

[0009] Preferably, the transmission device includes a rotating shaft, a one-way bearing, a first gear, a second gear, a second sprocket, and a second chain. The rotating shaft is rotatably installed on the outer side wall of the box body. The one-way bearing is installed on the rotating shaft. The first gear is installed on the one-way bearing. The second gear is installed on the outer side wall of the support shaft. The second gear meshes with the first gear. Two groups of second sprockets are respectively installed on the rotating shaft and the leftmost roller shaft, and the two groups of second sprockets are driven by the second chain; when the support shaft rotates forward, the support shaft drives the rotating shaft to rotate reversely through the second gear, the first gear, and the one-way bearing. After the rotating shaft rotates reversely, it drives the leftmost roller shaft to rotate through the two groups of second sprockets and the second chain, so that the roller shaft drives the belt to move circumferentially to convey the crushed residues to the left. When the support shaft rotates reversely, the one-way bearing does not drive the rotating shaft to rotate, so as to realize the effect of the screen plate vibrating and conveying and screening the raw materials while driving the belt to convey the crushed residues, improving work efficiency.

[0010] Preferably, it further includes a heating device, an air suction groove, a collection box, a filter screen, a fan, and an exhaust hood. The air suction groove is communicated and arranged on the box body. The output end of the air suction groove is communicated with the collection box. The filter screen is installed inside the collection box. The fan is communicated and arranged at the top end of the collection box. The output end of the fan is communicated with the exhaust hood through the heating device. The exhaust hood is communicated and arranged at the top end of the box body; start the fan to suck air into the collection box, so that the collection box absorbs the crushed residues conveyed by the belt through the air suction groove. The collected crushed residues are filtered by the filter screen and stored inside the collection box. The air is conveyed to the exhaust hood through the collection box, so that the exhaust hood conveys the air into the box body, and the air is heated by the heating device, so that the hot air circulates up and down in the box body, improving the drying treatment effect during the raw material conveying process and at the same time improving the convenience of the air to convey the raw materials.

[0011] Preferably, the heating device includes a heating box, electric heating tubes, and a cylinder. The heating box is connected to the output end of the blower. The electric heating tubes are installed inside the heating box. The cylinder is connected to the heating box. A moisture-absorbing material is arranged inside the cylinder. The output end of the cylinder is connected to the exhaust hood. The blower transports air into the heating box, heats the air through the electric heating tubes, enables the hot air to enter the interior of the box body, and dries the air through the moisture-absorbing material inside the cylinder, thereby improving the effect of drying the raw materials by the air.

[0012] Preferably, the reflux device includes a collection tank, a conveyor belt, and a discharge tank. The collection tank is connected to the box body. The conveyor belt is installed on the outer side wall of the box body. The discharge tank is connected to the box body. The conveying plate discharges large pieces of raw materials into the collection tank. The large pieces of raw materials are collected by the collection tank and transported onto the conveyor belt. The large pieces of raw materials are lifted and transported to the discharge tank by the conveyor belt, enabling the discharge tank to transport the large pieces of raw materials back onto the conveying plate again, improving the convenience of the cyclic conveying and cutting process of the large pieces of raw materials.

[0013] Preferably, the power device includes a speed reducer and a motor. Both the speed reducer and the motor are installed on the outer side wall of the box body. The output end of the speed reducer is connected to the second crankshaft. The output end of the motor is connected to the speed reducer. By driving the second crankshaft to rotate through the motor, the automation effect of the conveyor for transporting, screening, and cutting the raw materials is improved, the power energy consumption is reduced, and the working efficiency is increased.

[0014] Preferably, it further includes a diversion groove which is connected to the box body. The diversion groove diverts the raw materials screened by the screen plate, improving the convenience of raw material transportation.

[0015] Preferably, it further includes a diversion platform which is arranged inside the box body. The raw materials entering from the feed hopper are diverted and transported through the diversion platform, improving the convenience of the raw materials falling onto the conveying plate.

[0016] Compared with the prior art, the beneficial effects of the present invention are as follows: When large pieces of raw materials move under multiple groups of cutting knives, since the driving device drives the base to move left and right reciprocally, and the left and right movement of the base is synchronized with the left and right movement of the conveying plate, when the conveying plate moves upward, it contacts the multiple groups of cutting knives, enabling the multiple groups of cutting knives to cut the large pieces of raw materials. The cut raw materials continue to be transported on the conveying plate and are screened through the screening holes. The unqualified large pieces of raw materials continue to be transported on the conveying plate and are discharged to the reflux device. The large pieces of raw materials are put back onto the conveying plate again through the reflux device, enabling the cutting knives to cut them again, thereby improving the screening and cutting effects of raw material transportation, increasing the working efficiency, and improving the processing quality of the raw materials. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 is an isometric structural schematic diagram of the present invention; Figure 2 is an isometric structural schematic diagram of the connection between the box body and the diversion platform, etc. Figure 3 Is an axonometric partial structural schematic diagram of the connection between the conveying plate and the limiting plate, etc.; Figure 4 Is an axonometric partial structural schematic diagram of the connection between the base and the cutting tool, etc.; Figure 5 Is an axonometric partial structural schematic diagram of the connection between the support shaft and the second gear, etc.; Figure 6 Is an axonometric partial structural schematic diagram of the connection between the second crankshaft and the first sprocket, etc.; Figure 7 Is an axonometric partial structural schematic diagram of the connection between the sieve plate and the second connecting arm, etc.; Figure 8 Is an axonometric structural schematic diagram of the connection between the box body and the exhaust hood, etc.; Figure 9 Is an axonometric partial structural schematic diagram of the connection between the collection box and the filter screen, etc.; Figure 10 Is an axonometric structural schematic diagram of the connection between the box body and the diversion trough, etc.

[0018] Reference numerals in the drawings: 101, box body; 102, feed hopper; 103, conveying plate; 104, limiting plate; 105, base; 106, cutting tool; 201, guide seat; 202, first crankshaft; 203, first connecting arm; 204, second crankshaft; 205, third crankshaft; 206, first sprocket; 207, first chain; 301, sieve plate; 302, second connecting arm; 303, support shaft; 304, roller shaft; 305, belt; 401, rotating shaft; 402, one-way bearing; 403, first gear; 404, second gear; 405, second sprocket; 406, second chain; 501, suction groove; 502, collection box; 503, filter screen; 504, fan; 505, exhaust hood; 601, heating box; 602, electric heating tube; 603, cylinder; 701, collection trough; 702, conveyor belt; 703, discharge trough; 801, reducer; 802, motor; 901, diversion trough; 1001, diversion platform. Detailed implementation manners

[0019] For the convenience of understanding the present invention, the present invention will be described more comprehensively below with reference to the relevant drawings. The present invention can be implemented in many different forms and is not limited to the embodiments described herein. On the contrary, these embodiments are provided to make the disclosure of the present invention more thorough and comprehensive. Embodiment 1

[0020] A raw material conveyor for food processing according to the present invention includes a box body 101 and a feed hopper 102. The feed hopper 102 is communicatively provided at the feed inlet of the box body 101. It further includes a driving device, a screening device, a reflux device, a conveying plate 103, a limiting plate 104, a base 105 and a cutting knife 106. The conveying plate 103 is provided with screening holes, and the conveying plate 103 is arranged obliquely upward at an angle in the box body 101. Multiple groups of limiting plates 104 are all arranged at the top end of the conveying plate 103. The base 105 is slidably installed in the box body 101. Multiple groups of cutting knives 106 are all arranged at the bottom end of the base 105. A driving device is arranged in the box body 101. The driving device is used to drive the conveying plate 103 to float up and down and shake left and right, and the driving device is used to drive the base 105 to reciprocate left and right. The screening device is arranged in the box body 101 below the conveying plate 103. The screening device is used to screen and convey the raw materials for the second time. The reflux device is arranged on the box body 101. The reflux device is used to reflux and transport the raw materials; The driving device includes a guide seat 201, a first crankshaft 202, a first connecting arm 203, a second crankshaft 204, a third crankshaft 205, a first sprocket 206 and a first chain 207. The guide seat 201 is installed on the inner side wall of the box body 101. The base 105 is slidably installed on the guide seat 201. The first crankshaft 202 is rotatably installed in the box body 101. One end of the first connecting arm 203 is rotatably installed on the first crankshaft 202. The other end of the first connecting arm 203 is rotatably connected to the base 105. The second crankshaft 204 and the third crankshaft 205 are respectively rotatably installed in the box body 101. The lower part of the conveying plate 103 is fitted and sleeved on the second crankshaft 204 and the third crankshaft 205. Three groups of first sprockets 206 are respectively installed at the ends of the first crankshaft 202, the second crankshaft 204 and the third crankshaft 205. The three groups of first sprockets 206 are driven by the first chain 207. A power device is arranged on the box body 101. The power device is used to drive the second crankshaft 204 to rotate; In this embodiment, the raw materials are put into the interior of the box body 101 through the feed hopper 102. The raw materials that enter the box body 101 fall onto the conveying plate 103. While the driving device drives the conveying plate 103 to swing left and right and float up and down at the same time, the movement of the conveying plate 103 throws the raw materials obliquely upward. The raw materials are limited by multiple groups of limiting plates 104, so that the raw materials gradually move upward and are conveyed on the conveying plate 103. During the conveying process of the raw materials, they are screened through the screening holes, so that the raw materials with qualified particle sizes fall downward for conveying and discharging, and the large pieces of raw materials continue to move and be conveyed on the conveying plate 103. When the large pieces of raw materials move below multiple groups of cutting knives 106, due to the driving device driving the base 105 to move left and right reciprocally, and the left and right movement of the base 105 is synchronized with the left and right movement of the conveying plate 103, when the conveying plate 103 moves upward, it contacts multiple groups of cutting knives 106, so that multiple groups of cutting knives 106 cut the large pieces of raw materials. The cut raw materials continue to be conveyed on the conveying plate 103 and are screened through the screening holes. The unqualified large pieces of raw materials continue to be conveyed on the conveying plate 103 and are discharged to the reflux device. The large pieces of raw materials are put onto the conveying plate 103 again through the reflux device, so that the cutting knives 106 cut them again, thereby improving the screening and cutting effects of the raw material conveying, improving the working efficiency, and improving the processing quality of the raw materials. Embodiment 2

[0021] On the basis of Embodiment 1, a raw material conveyor for food processing according to the present invention, the screening device includes a transmission device, a screen plate 301, a second connecting arm 302, a support shaft 303, a roller shaft 304 and a belt 305. The screen plate 301 is arranged below the conveying plate 103. The left end of the screen plate 301 is rotatably installed on the box body 101 through the support shaft 303. The bottom end of the second connecting arm 302 is rotatably connected to the right part of the screen plate 301. The top end of the second connecting arm 302 is rotatably sleeved on the third crankshaft 205. Multiple groups of roller shafts 304 are all rotatably installed in the box body 101. The belt 305 is sleeved on multiple groups of roller shafts 304. A transmission device is arranged on the support shaft 303, and the transmission device is used to drive the rotation of the roller shaft 304; It further includes a heating device, an air suction groove 501, a collection box 502, a filter screen 503, a fan 504 and an exhaust hood 505. The air suction groove 501 is communicated and arranged on the box body 101. The output end of the air suction groove 501 is communicated with the collection box 502. The filter screen 503 is installed inside the collection box 502. The fan 504 is communicated and arranged at the top end of the collection box 502. The output end of the fan 504 is communicated with the exhaust hood 505 through the heating device. The exhaust hood 505 is communicated and arranged at the top end of the box body 101; The heating device includes a heating box 601, an electric heating tube 602 and a cylinder body 603. The heating box 601 is communicated with the output end of the blower 504. The electric heating tube 602 is installed inside the heating box 601. The cylinder body 603 is communicated and arranged on the heating box 601. A moisture absorption material is arranged inside the cylinder body 603. The output end of the cylinder body 603 is communicated with the exhaust hood 505; The reflux device includes a collection tank 701, a conveyor belt 702 and a discharge tank 703. The collection tank 701 is communicated and arranged on the box body 101. The conveyor belt 702 is installed on the outer side wall of the box body 101. The discharge tank 703 is communicated and arranged on the box body 101; The power device includes a speed reducer 801 and a motor 802. Both the speed reducer 801 and the motor 802 are installed on the outer side wall of the box body 101. The output end of the speed reducer 801 is connected to the second crankshaft 204. The output end of the motor 802 is connected to the speed reducer 801; It further includes a diversion groove 901 which is communicated and arranged on the box body 101; It further includes a diversion platform 1001 which is arranged inside the box body 101; In this embodiment, the second crankshaft 204 is driven to rotate by the power device. After the second crankshaft 204 rotates, the third crankshaft 205 is driven to rotate through the first sprocket 206 and the first chain 207. After the third crankshaft 205 rotates, the first crankshaft 202 is driven to rotate through the first sprocket 206 and the first chain 207. Thus, during the rotation of the second crankshaft 204 and the third crankshaft 205, the conveying plate 103 floats up and down and sways left and right, and after the first crankshaft 202 rotates, the base 105 is driven to move left and right reciprocally through the first connecting arm 203, achieving the synchronous effect of the left and right movement of the base 105 and the left and right swaying of the conveying plate 103. When the conveying plate 103 moves upward and approaches the multiple groups of cutting knives 106, the multiple groups of cutting knives 106 cut the raw materials on the conveying plate 103, improving the continuity of the action. The raw materials screened by the conveying plate 103 fall onto the screen plate 301. After the third crankshaft 205 rotates, the right part of the screen plate 301 is driven to swing up and down through the second connecting arm 302. Thus, the screen plate 301 performs secondary screening and conveying of the raw materials. The crushed residues in the raw materials pass through the screen plate 301 and fall onto the belt 305, and the complete raw materials are conveyed and discharged through the right end of the screen plate 301. When the screen plate 301 swings up and down, the support shaft 303 rotates reciprocally forward and backward. After the support shaft 303 rotates, the leftmost roller shaft 304 is driven to rotate through the transmission device. Thus, the roller shaft 304 drives the belt 305 to rotate, and the belt 305 conveys and discharges the collected crushed residues, improving the effect of the conveyor for separately conveying raw materials of different sizes and improving the working efficiency. Embodiment 3

[0022] Based on Embodiment 1, a raw material conveyor for food processing according to the present invention, the transmission device includes a rotating shaft 401, a one-way bearing 402, a first gear 403, a second gear 404, a second sprocket 405 and a second chain 406. The rotating shaft 401 is rotatably installed on the outer side wall of the box body 101, the one-way bearing 402 is installed on the rotating shaft 401, the first gear 403 is installed on the one-way bearing 402, the second gear 404 is installed on the outer side wall of the support shaft 303, the second gear 404 meshes with the first gear 403, and two groups of second sprockets 405 are respectively installed on the rotating shaft 401 and the leftmost roller 304, and the two groups of second sprockets 405 are driven by the second chain 406; when the support shaft 303 rotates forward, the support shaft 303 drives the rotating shaft 401 to rotate reversely through the second gear 404, the first gear 403 and the one-way bearing 402. After the rotating shaft 401 rotates reversely, it drives the leftmost roller 304 to rotate through the two groups of second sprockets 405 and the second chain 406, so that the roller 304 drives the belt 305 to move circumferentially to convey the crushed slag to the left. When the support shaft 303 rotates reversely, the one-way bearing 402 does not drive the rotating shaft 401 to rotate, so as to realize the effect of the screen plate 301 vibrating and conveying and screening the raw materials while driving the belt 305 to convey the crushed slag, and improve the working efficiency.

[0023] As Figures 1 to 10 shown, a raw material conveyor for food processing according to the present invention, when working, puts the raw materials into the box body 101 through the feed hopper 102. The raw materials entering the box body 101 fall onto the conveying plate 103, and while driving the conveying plate 103 to swing left and right and float up and down through the driving device, so that the movement of the conveying plate 103 throws the raw materials obliquely upward. The raw materials are limited by multiple groups of limiting plates 104, so that the raw materials gradually move upward on the conveying plate 103. During the conveying process of the raw materials, they are screened through the screening holes, so that the raw materials with qualified particle sizes fall downward for conveying and discharging, and the large pieces of raw materials continue to move and be conveyed on the conveying plate 103. When the large pieces of raw materials move below multiple groups of cutting knives 106, since the driving device drives the base 105 to move left and right reciprocally, and the left and right movement of the base 105 is synchronized with the left and right movement of the conveying plate 103, so that when the conveying plate 103 moves upward, it contacts multiple groups of cutting knives 106, and the multiple groups of cutting knives 106 cut the large pieces of raw materials. The cut raw materials continue to be conveyed on the conveying plate 103 and are screened through the screening holes. The unqualified large pieces of raw materials continue to be conveyed on the conveying plate 103 and are discharged to the reflux device, and the large pieces of raw materials are put onto the conveying plate 103 again through the reflux device, so that the cutting knives 106 cut them again.

[0024] The main functions achieved by the present invention are: 1. During the raw material conveying process, the unqualified large pieces are screened and circularly cut to make them into raw materials of qualified size, and at the same time, the crushed slag that does not meet the production requirements in the raw materials is screened and removed; 2. During the collection of raw material scraps, the entire raw material conveying process is dried to improve the drying requirement quality of the finished raw materials. 3. By using a combination of a power source and linkages, the effects of conveying, screening, cutting, and secondary screening and conveying of raw materials are achieved, saving energy consumption and improving work efficiency.

[0025] The blower 504, electric heating tube 602, conveyor belt 702, reducer 801, and motor 802 of a raw material conveyor for food processing according to the present invention are purchased on the market. Those skilled in the industry only need to install and operate them according to the attached operation manuals, without the need for creative labor from those skilled in the art.

[0026] The above are only the preferred embodiments of the present invention. It should be noted that for those of ordinary skill in the art in this technical field, without departing from the technical principle of the present invention, several improvements and modifications can still be made, and these improvements and modifications should also be regarded as the protection scope of the present invention.

Claims

1. A raw material conveyor for food processing, comprising a box body (101) and a feed hopper (102), the feed hopper (102) being communicatively arranged at the feed inlet of the box body (101); characterized in that, It also includes a driving device, a screening device, a reflux device, a conveying plate (103), a limiting plate (104), a base (105) and a cutting knife (106). The conveying plate (103) is provided with screening holes, and the conveying plate (103) is arranged obliquely upward at an angle inside the box body (101). Multiple groups of limiting plates (104) are all arranged at the top end of the conveying plate (103). The base (105) is slidably installed inside the box body (101). Multiple groups of cutting knives (106) are all arranged at the bottom end of the base (105). A driving device is arranged inside the box body (101). The driving device is used to drive the conveying plate (103) to float up and down and sway left and right, and the driving device is used to drive the base (105) to move left and right reciprocally. The screening device is arranged inside the box body (101) below the conveying plate (103). The screening device is used to screen and convey the raw materials for the second time. The reflux device is arranged on the box body (101). The reflux device is used to reflux and transport the raw materials.

2. The raw material conveyor for food processing according to claim 1, characterized in that, The driving device includes a guide seat (201), a first crankshaft (202), a first connecting arm (203), a second crankshaft (204), a third crankshaft (205), a first sprocket (206) and a first chain (207). The guide seat (201) is installed on the inner side wall of the box body (101). The base (105) is slidably installed on the guide seat (201). The first crankshaft (202) is rotatably installed inside the box body (101). One end of the first connecting arm (203) is rotatably installed on the first crankshaft (202), and the other end of the first connecting arm (203) is rotatably connected to the base (105). The second crankshaft (204) and the third crankshaft (205) are respectively rotatably installed inside the box body (101). The lower part of the conveying plate (103) is fitted and sleeved on the second crankshaft (204) and the third crankshaft (205). Three groups of first sprockets (206) are respectively installed at the ends of the first crankshaft (202), the second crankshaft (204) and the third crankshaft (205). The three groups of first sprockets (206) are driven by the first chain (207). A power device is arranged on the box body (101). The power device is used to drive the second crankshaft (204) to rotate.

3. The raw material conveyor for food processing according to claim 2, characterized in that, The screening device includes a transmission device, a screen plate (301), a second connecting arm (302), a support shaft (303), a roller shaft (304) and a belt (305). The screen plate (301) is arranged below the conveying plate (103). The left end of the screen plate (301) is rotatably installed on the box body (101) through the support shaft (303). The bottom end of the second connecting arm (302) is rotatably connected to the right part of the screen plate (301). The top end of the second connecting arm (302) is rotatably sleeved on the third crankshaft (205). Multiple groups of roller shafts (304) are all rotatably installed inside the box body (101). The belt (305) is sleeved on multiple groups of roller shafts (304). A transmission device is arranged on the support shaft (303). The transmission device is used to drive the rotation of the roller shaft (304).

4. The raw material conveyor for food processing according to claim 3, wherein The transmission device includes a rotating shaft (401), a one-way bearing (402), a first gear (403), a second gear (404), a second sprocket (405) and a second chain (406). The rotating shaft (401) is rotatably installed on the outer side wall of the box body (101). The one-way bearing (402) is installed on the rotating shaft (401). The first gear (403) is installed on the one-way bearing (402). The second gear (404) is installed on the outer side wall of the support shaft (303). The second gear (404) meshes with the first gear (403). Two groups of second sprockets (405) are respectively installed on the rotating shaft (401) and the leftmost roller shaft (304). The two groups of second sprockets (405) are driven by the second chain (406).

5. The raw material conveyor for food processing according to claim 1, characterized in that, It further includes a heating device, a suction slot (501), a collection box (502), a filter screen (503), a fan (504) and an exhaust hood (505). The suction slot (501) is communicated and arranged on the box body (101). The output end of the suction slot (501) is communicated with the collection box (502). The filter screen (503) is installed inside the collection box (502). The fan (504) is communicated and arranged at the top of the collection box (502). The output end of the fan (504) is communicated with the exhaust hood (505) through the heating device. The exhaust hood (505) is communicated and arranged at the top of the box body (101).

6. The raw material conveyor for food processing according to claim 5, wherein, The heating device includes a heating box (601), an electric heating tube (602) and a cylinder body (603). The heating box (601) is communicated with the output end of the fan (504). The electric heating tube (602) is installed inside the heating box (601). The cylinder body (603) is communicated and arranged on the heating box (601). A moisture absorption material is arranged inside the cylinder body (603). The output end of the cylinder body (603) is communicated with the exhaust hood (505).

7. The raw material conveyor for food processing according to claim 1, wherein The reflux device includes a collection trough (701), a conveyor belt (702) and a discharge trough (703). The collection trough (701) is communicated and arranged on the box body (101). The conveyor belt (702) is installed on the outer side wall of the box body (101). The discharge trough (703) is communicated and arranged on the box body (101).

8. The raw material conveyor for food processing according to claim 2, characterized in that, The power device includes a reducer (801) and a motor (802). The reducer (801) and the motor (802) are both installed on the outer side wall of the box body (101). The output end of the reducer (801) is connected to the second crankshaft (204). The output end of the motor (802) is connected to the reducer (801).

9. The raw material conveyor for food processing according to claim 1, wherein, It further includes a diversion trough (901), and the diversion trough (901) is communicated and arranged on the box body (101).

10. A raw material conveyor for food processing according to claim 1, characterized in that, It further includes a diversion platform (1001), and the diversion platform (1001) is arranged inside the box body (101).

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