Rapeseed residue grinding device

Abstract

The embodiment of the invention provides a rapeseed residue grinding device, and relates to the technical field of rapeseed residue processing. A rapeseed residue grinding device comprises a crushing box, the opposite angles of the top of the crushing box are communicated with a feeding hopper with a plugging cover, a material guiding frame with a vertical groove is embedded in the center of an inner cavity of the crushing box, the two sides of the crushing box are both communicated with material guiding covers, and the bottom ends of the material guiding covers are communicated with a feeding frame with an electromagnetic valve; the inner end of the feeding frame communicates with a grinding box fixedly matched with the crushing box. An outer side cover is fixedly connected to the outer side of the material guide cover, a supporting leg frame is arranged at the bottom of the grinding box, extrusion assemblies for extruding the material guide cover for feeding are arranged on the two sides of an inner cavity of the crushing box, and each extrusion assembly comprises a servo motor fixed to the top of the crushing box and a reciprocating lead screw fixed to an output shaft of the servo motor; and the rotating shaft is rotationally matched with the center of the guide frame. And a bidirectional extruding and crushing mode is adopted, so that the efficient and sufficient grinding effect on the rapeseed residues is realized.

Description

Technical Field

[0001] The present invention belongs to the technical field of rapeseed residue processing, and particularly relates to a rapeseed residue grinding device. Background Art

[0002] Rapeseed residue is a by-product after extracting oil from rapeseed, which has various uses and economic values. It is in the form of yellow or light brown fragments / crude powder, containing 35%-40% crude protein, amino acids, minerals and cellulose. It is a commonly used material for organic fertilizer and straw returning to the field. During the deep processing of rapeseed, it will be further processed by a grinding device.

[0003] In the prior art (patent application with publication number CN209034520U and patent name "A Rapeseed Residue Grinding Device"), the structure is ingenious, easy to use, convenient for grinding and crushing rapeseed residue, with a flexible processing capacity, good grinding and crushing effect, and low processing cost. In the process of implementing this technical solution, it is found that at least the following problems exist in the prior art: Before producing rapeseed residue into fertilizer, it is necessary to grind the caked and cake-shaped rapeseed residue. Currently, most of the grinding methods directly use a grinding disc to grind rapeseed residue. Due to the existence of oily substances in rapeseed residue, it is easy to stick during grinding, and there will still be small areas of caking and forming cakes, resulting in insufficient grinding of rapeseed residue. Summary of the Invention

[0004] This application aims to at least solve one of the technical problems in the prior art that it is impossible to adopt a two-way extrusion and crushing method to achieve an efficient and sufficient grinding effect on rapeseed residue, and it is easy to have small areas of caking and forming cakes, resulting in insufficient grinding of rapeseed residue. For this reason, this application proposes a rapeseed residue grinding device.

[0005] To achieve the above object, the specific technical solution of the present invention is as follows: A rapeseed residue grinding device includes a crushing box. The top of the crushing box is diagonally communicated with a feeding hopper with a sealing cover. The center of the inner cavity of the crushing box is embedded with a guide frame with a vertical groove. Both sides of the crushing box are communicated with a guide cover. The bottom end of the guide cover is communicated with a feeding frame with a solenoid valve. The inner end of the feeding frame is communicated with a grinding box fixedly matched with the crushing box; The outside of the guide cover is fixedly connected with an outer cover. The bottom of the grinding box is provided with a support leg frame. Both sides of the inner cavity of the crushing box are provided with an extrusion assembly for extruding and feeding the guide cover. The extrusion assembly includes a servo motor fixed on the top of the crushing box, a reciprocating lead screw fixed on the output shaft of the servo motor, and is rotationally matched with the center of the guide frame; The inner cavity of the grinding box is respectively provided with a first grinding assembly and a second grinding assembly. The first grinding assembly includes an extension rod fixed to the bottom of the reciprocating lead screw, which is rotationally matched with the crushing box and the grinding box, and an upper grinding disc fixed to the bottom of the extension rod, which is rotationally matched with the grinding box. The second grinding assembly includes a main bevel gear fixed to the output shaft of the servo motor, and a bevel gear frame meshed outside the main bevel gear.

[0006] Preferably: The extrusion assembly further includes a lead screw sleeve threadedly connected to the reciprocating lead screw. Both sides of the lead screw sleeve are hinged with push-pull arms through hinge joints. The other end of the push-pull arm is hinged with an extrusion plate slidably matched with the crushing box. And extrusion teeth are fixedly arranged in an array on the outer side of the extrusion plate. A forming plate for extruding and crushing materials with the extrusion teeth is embedded on one side of the crushing box close to the material guiding cover.

[0007] Preferably: The first grinding assembly further includes upper grinding heads fixed to the upper grinding disc at equal triangular intervals. The top of the inner cavity of the grinding box is fixedly connected with a special-shaped ring. The bottom of the special-shaped ring is rotatably connected with universal ball bearings. And the bottom of the universal ball bearings is fixedly connected with a sliding frame slidably matched with the upper grinding disc. A compression spring fixedly matched with the upper grinding disc is sleeved on the sliding frame, and the sliding frame and the upper grinding heads are staggered.

[0008] Preferably: The second grinding assembly further includes a secondary bevel gear meshed outside the bevel gear frame. The bottom of the secondary bevel gear is fixedly connected with a long rotating rod. The bottom of the long rotating rod is fixedly connected with a differential gear. And a single-sided tooth ring meshed with the inner side of the differential gear and rotationally matched with the support leg frame is fixedly connected to the inner side of the single-sided tooth ring. A lower grinding disc used in cooperation with the upper grinding disc is fixedly connected. And lower grinding heads used in cooperation with the upper grinding heads are fixedly arranged at equal triangular intervals on the top of the lower grinding disc.

[0009] Preferably: A chute is horizontally opened at the top of the inner cavity of the crushing box. And a sliding block fixedly matched with the extrusion plate is slidably connected in the inner cavity of the chute.

[0010] Preferably: Forming holes are arranged in an array on the forming plate. And an arc chamfer is arranged at the port of the forming hole and is distributed in a one-to-one alignment state with the extrusion teeth.

[0011] Preferably: A hidden groove is opened at the bottom of the upper grinding disc. And a crushing plate fixedly matched with the sliding frame is slidably arranged in the hidden groove. Crushing teeth are fixedly arranged in an array at the bottom of the crushing plate.

[0012] Preferably: Discharge ports are opened at equal triangular intervals on the lower grinding disc and are staggered with the lower grinding heads. And a sieve plate is embedded in the discharge port.

[0013] Preferably: A discharge rack is communicated with the bottom end of the lower grinding disc close to the discharge port. And a discharge pipe with a one-way valve is communicated with the inner end of the discharge rack.

[0014] Preferably, an annular edge opening is formed on one side of the grinding box close to the feeding rack, and an annular sliding opening fixedly matched with the single-sided gear ring is rotatably connected in the annular edge opening.

[0015] The rapeseed residue grinding device of the present invention has the following advantages: 1. For this rapeseed residue grinding device, the servo motor drives the reciprocating lead screw to rotate. The reciprocating lead screw drives two push-pull arms to push and pull in and out through the lead screw sleeve. The two push-pull arms drive two groups of pressing plates to slide back and forth in the crushing box, and drive the pressing teeth to reciprocally press against the forming holes on the two groups of forming plates, achieving a reciprocating extrusion and crushing effect on the rapeseed residue added into the crushing box, and completing the preliminary crushing and refinement work before grinding the rapeseed residue.

[0016] 2. For this rapeseed residue grinding device, the reciprocating lead screw drives the upper grinding head on the upper grinding disc to grind the rapeseed residue reaching the grinding box through the extension rod. The compression spring plays an elastic buffering and elastic resetting role for the sliding frame. Then, the sliding frame synchronously rotating with the upper grinding disc drives the universal ball to roll on the special-shaped ring. Since the special-shaped ring is designed with concave and convex waves and has a height difference, it forces the sliding frame on the universal ball to drive the crushing teeth on the crushing plate to move up and down, playing an auxiliary crushing and material turning role for the rapeseed residue in the area of the upper grinding head, so as to prevent the rapeseed residue from sticking and forming cakes.

[0017] 3. For this rapeseed residue grinding device, the main bevel gear drives the short rotating rods on the two groups of driven bevel gears to rotate. The two short rotating rods drive the two groups of driven synchronizing wheels to rotate through the synchronous belt on the main synchronizing wheel. The two groups of driven synchronizing wheels drive two groups of cutting knives and guiding leaves to rotate in the guiding cover through two rotating shafts. First, the cutting knives cut the crushed rapeseed residue extruded from the forming plate to prevent sticking, and then the guiding leaves guide the rapeseed residue reaching the guiding cover into the feeding rack to prevent blockage. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the following will briefly introduce the drawings required to be used in the embodiments. It should be understood that the following drawings only show some embodiments of the present invention, so they should not be regarded as limiting the scope. For those of ordinary skill in the art, other related drawings can be obtained based on these drawings without creative efforts.

[0019] Figure 1 It is a schematic structural diagram of a rapeseed residue grinding device of the present invention; Figure 2 It is a cross-sectional view of the structure of a rapeseed residue grinding device of the present invention; Figure 3 It is an internal view of the initial state of the structure of a rapeseed residue grinding device of the present invention; Figure 4 An internal view of the working state of the structure of a rapeseed residue grinding device according to the present invention; Figure 5 A diagram of the initial state of the structure of the extrusion assembly according to the present invention; Figure 6 A diagram of the working state of the structure of the extrusion assembly according to the present invention; Figure 7 A partial bottom view of the structure of the extrusion assembly according to the present invention; Figure 8 A bottom sectional view of the structures of the crushing box, the material guiding frame, the material guiding cover and the feeding frame according to the present invention; Figure 9 A top view of the structures of the first grinding assembly and the second grinding assembly according to the present invention; Figure 10 A bottom view of the structure of the first grinding assembly according to the present invention; Figure 11 An exploded view of the structure of the first grinding assembly according to the present invention; Figure 12 A partial exploded view of the structure of the first grinding assembly according to the present invention; Figure 13 A side view of the structure of the second grinding assembly according to the present invention; Figure 14 A partial exploded view of the structure of the second grinding assembly according to the present invention; Figure 15 A partial exploded view of the structures of the grinding box and the second grinding assembly according to the present invention; Figure 16 A side view of the structure of the material cutting assembly according to the present invention; Figure 17 A partial rear view of the structure of the material cutting assembly according to the present invention.

[0020] Marking description in the figure: 1. Crushing box; 2. Feeding guide frame; 3. Feeding guide cover; 4. Feeding rack; 5. Grinding box; 6. Outer cover; 7. Leg support frame; 81. Servo motor; 82. Reciprocating lead screw; 83. Lead screw sleeve; 84. Push-pull arm; 85. Extrusion plate; 86. Extrusion teeth; 87. Forming plate; 91. Extension rod; 92. Upper grinding disc; 93. Upper grinding head; 94. Special-shaped ring; 95. Universal ball; 96. Slide carriage; 97. Compression spring; 101. Main bevel gear; 102. Bevel gear frame; 103. Sub bevel gear; 104. Long rotating rod; 105. Differential gear; 106. Single-sided gear ring; 107. Lower grinding disc; 108. Lower grinding head; 111. Slave bevel gear; 112. Short rotating rod; 113. Main synchronous pulley; 114. Slave synchronous pulley; 115. Rotating shaft; 116. Cutting knife; 117. Feeding guide vane; 12. Chute; 13. Slide block; 14. Crushing plate; 15. Crushing teeth; 16. Screening plate; 17. Discharge port; 18. Discharge rack; 19. Discharge pipe; 20. Annular edge; 21. Annular sliding port. Specific implementation mode

[0021] The present invention will be specifically introduced below in conjunction with the accompanying drawings and specific embodiments: As Figures 1-17 Shown in the figure, a rapeseed residue grinding device of the present invention includes a crushing box 1. The top diagonal of the crushing box 1 is connected with a feed hopper with a sealing cover, and a feeding guide frame 2 with a vertical groove is embedded at the center of the inner cavity of the crushing box 1. Both sides of the crushing box 1 are connected with feeding guide covers 3, and the bottom end of the feeding guide cover 3 is connected with a feeding rack 4 with a solenoid valve, and the inner end of the feeding rack 4 is connected with a grinding box 5 fixedly matched with the crushing box 1; An outer cover 6 is fixedly connected to the outside of the feeding guide cover 3, and a leg support frame 7 is arranged at the bottom of the grinding box 5. Extrusion components for extruding and feeding with the feeding guide cover 3 are arranged on both sides of the inner cavity of the crushing box 1. The extrusion components include a servo motor 81 fixed on the top of the crushing box 1, and a reciprocating lead screw 82 fixed on the output shaft of the servo motor 81, which is rotationally matched with the center of the feeding guide frame 2 to achieve a reciprocating extrusion and crushing effect on the rapeseed residue added into the crushing box 1, and complete the preliminary crushing and refinement work before grinding the rapeseed residue; The inner cavity of the grinding box 5 is respectively provided with a first grinding component and a second grinding component. The first grinding component includes an extension rod 91 fixed to the bottom of the reciprocating lead screw 82, which is rotationally matched with the crushing box 1 and the grinding box 5, and an upper grinding disc 92 fixed to the bottom of the extension rod 91, which is rotationally matched with the grinding box 5, playing an auxiliary crushing and material turning role for the rapeseed residue in the area of the upper grinding head 93, so as to prevent the rapeseed residue from sticking and forming cakes. The second grinding component includes a main bevel gear 101 fixed to the output shaft of the servo motor 81, and a bevel gear frame 102 meshing on the outside of the main bevel gear 101, achieving an opposite differential grinding effect on the rapeseed residue reaching the grinding box 5 and further improving the grinding fineness of the rapeseed residue.

[0022] As Figures 5-15 shown, the extrusion component further includes a lead screw sleeve 83 threadedly connected to the reciprocating lead screw 82. Both sides of the lead screw sleeve 83 are hinged with push-pull arms 84 through hinge joints. The servo motor 81 drives the reciprocating lead screw 82 to rotate. The reciprocating lead screw 82 drives the two push-pull arms 84 to move in and out through the lead screw sleeve 83. The other end of the push-pull arm 84 is hinged with an extrusion plate 85 that is slidably matched with the crushing box 1. The two push-pull arms 84 drive the two groups of extrusion plates 85 to slide back and forth in the crushing box 1. And extrusion teeth 86 are fixedly arranged in an array on the outside of the extrusion plate 85. A forming plate 87 for extruding and crushing the material with the extrusion teeth 86 is embedded on one side of the crushing box 1 close to the material guiding cover 3. The two groups of extrusion plates 85 drive the extrusion teeth 86 to reciprocally extrude towards the forming holes on the two forming plates 87, achieving a reciprocating extrusion and crushing effect on the rapeseed residue added to the crushing box 1 and completing the preliminary crushing and refinement work before the rapeseed residue is ground. A chute 12 is horizontally opened at the top of the inner cavity of the crushing box 1, and a slider 13 fixedly matched with the extrusion plate 85 is slidably connected in the inner cavity of the chute 12, playing a role of sliding limit for the extrusion plate 85 to prevent the extrusion plate 85 from skewing and jamming when sliding in the crushing box 1, which is beneficial to the extrusion work of the rapeseed residue. Forming holes are arranged in an array on the forming plate 87, and an arc chamfer is opened at the port of the forming hole, and they are distributed in a one-to-one alignment state with the extrusion teeth 86, which is beneficial to the extrusion teeth 86 to extrude and crush the rapeseed residue through the forming holes on the extrusion plate 85.

[0023] The first grinding assembly further includes upper grinding heads 93 that are fixed on the upper grinding disc 92 at equal triangular intervals. The reciprocating lead screw 82 drives the upper grinding heads 93 on the upper grinding disc 92 through the extension rod 91 to grind the rapeseed residue that reaches the grinding box 5. A special-shaped ring 94 is fixedly connected to the top of the inner cavity of the grinding box 5. The bottom of the special-shaped ring 94 is connected to a universal ball 95 in a rolling manner. The bottom of the universal ball 95 is fixedly connected to a carriage 96 that is slidably matched with the upper grinding disc 92. The compression spring 97 provides elastic buffering and elastic resetting for the carriage 96. Then, the carriage 96 that rotates synchronously with the upper grinding disc 92 drives the universal ball 95 to roll on the special-shaped ring 94. A compression spring 97 that is fixedly matched with the upper grinding disc 92 is sleeved on the carriage 96, and the carriage 96 and the upper grinding heads 93 are staggered. Since the special-shaped ring 94 is designed with concave and convex wave shapes and has a height difference, it forces the carriage 96 on the universal ball 95 to drive the crushing teeth 15 on the crushing plate 14 to move up and down, playing an auxiliary crushing and material turning role for the rapeseed residue in the area of the upper grinding heads 93, so as to prevent the rapeseed residue from sticking and forming cakes; A hidden groove is formed at the bottom of the upper grinding disc 92, and a crushing plate 14 fixedly matched with the carriage 96 slides in the hidden groove. Crushing teeth 15 are fixedly arranged in an array at the bottom of the crushing plate 14. The crushing teeth 15 on the crushing plate 14 are driven by the carriage 96 that slides up and down to perform auxiliary crushing and material turning on the rapeseed residue in the grinding area of the upper grinding disc 92.

[0024] The second grinding assembly further includes a secondary bevel gear 103 meshing on the outside of the bevel gear frame 102. The main bevel gear 101 drives the secondary bevel gear 103 on the bevel gear frame 102 to rotate successively. The bottom of the secondary bevel gear 103 is fixedly connected to a long rotating rod 104, and the bottom of the long rotating rod 104 is fixedly connected to a differential gear 105. The secondary bevel gear 103 drives the differential gear 105 to rotate through the long rotating rod 104. A single-sided tooth ring 106 that is rotationally matched with the support leg frame 7 is meshed inside the differential gear 105. An annular edge 20 is formed on one side of the grinding box 5 close to the feeding frame 4, and an annular sliding opening 21 fixedly matched with the single-sided tooth ring 106 is rotatably connected inside the annular edge 20, playing a role in rotatably supporting the single-sided tooth ring 106 and improving the rotational stability of the single-sided tooth ring 106. A lower grinding disc 107 used in combination with the upper grinding disc 92 is fixedly connected inside the single-sided tooth ring 106. The differential gear 105 drives the lower grinding disc 107 inside the single-sided tooth ring 106 to rotate. Lower grinding heads 108 used in combination with the upper grinding heads 93 are fixedly arranged in a triangular shape at the top of the lower grinding disc 107. The lower grinding heads 108 and the upper grinding heads 93 are used in combination to achieve an opposite differential grinding effect on the rapeseed residue that reaches the grinding box 5, further improving the grinding fineness of the rapeseed residue; The lower grinding disc 107 is equidistantly provided with discharge ports 17 in a triangular shape, which are staggeredly matched with the lower grinding head 108. A sieve plate 16 is embedded in the discharge port 17 to screen the ground rapeseed residue, so that the ground rapeseed residue meets the standard. The bottom end of the lower grinding disc 107 close to the discharge port 17 is communicated with a discharge rack 18, and the inner end of the discharge rack 18 is communicated with a discharge pipe 19 with a one-way valve to carry out zoning feeding of the ground rapeseed residue to avoid material blockage.

[0025] As Figures 16-17 shown, during the grinding of rapeseed residue, it is impossible to achieve the effects of cutting and refining and guiding and preventing blockage of the extruded rapeseed residue. A cutting component used in conjunction with the material guiding cover 3 and the forming plate 87 is arranged inside the outer cover 6. The cutting component includes secondary bevel gears 111 meshed on both sides of the main bevel gear 101. The outer sides of the secondary bevel gears 111 are fixedly connected with a main synchronous pulley 113 rotatably matched with the outer cover 6 through short rotating rods 112. The bottom of the main synchronous pulley 113 is connected with a secondary synchronous pulley 114 through a synchronous belt. First, the main bevel gear 101 drives the short rotating rods 112 on the two secondary bevel gears 111 to rotate. The two short rotating rods 112 drive the two secondary synchronous pulleys 114 to rotate through the synchronous belt on the main synchronous pulley 113. The inner sides of the secondary synchronous pulleys 114 are fixedly connected with cutting knives 116 and material guiding vanes 117 used in conjunction with the forming plate 87 and the material guiding cover 3 through rotating shafts 115. The two secondary synchronous pulleys 114 drive the two cutting knives 116 and the material guiding vanes 117 to rotate in the material guiding cover 3 through the two rotating shafts 115. First, the cutting knives 116 cut the crushed rapeseed residue extruded from the forming holes of the forming plate 87 to prevent adhesion, and then the material guiding vanes 117 guide the rapeseed residue reaching the material guiding cover 3 into the feeding rack 4 to prevent blockage.

[0026] The working principle of a rapeseed residue grinding device: First, the rapeseed residue enters the two side areas of the inner cavity of the crushing box 1 after being guided by the feeding hopper through the material guiding rack 2. Then, control the servo motor 81 to start and drive the reciprocating lead screw 82 and the main bevel gear 101 to rotate synchronously. The reciprocating lead screw 82 drives the lead screw sleeve 83 to reciprocate up and down. The lead screw sleeve 83 drives the extrusion plate 85 to slide back and forth on both sides of the inner cavity of the crushing box 1 through two push-pull arms 84. The reciprocating extrusion plate 85 extrudes the rapeseed residue in the two side areas of the inner cavity of the crushing box 1 to the position of the forming plate 87, and extrudes and crushes the rapeseed residue passing through the forming hole area of the forming plate 87 through the extrusion teeth 86; Meanwhile, the main bevel gear 101 drives two sets of driven bevel gears 111 to rotate. The two sets of driven bevel gears 111 drive two sets of main synchronous pulleys 113 to rotate through two short rotating rods 112. The two sets of main synchronous pulleys 113 drive the rotating shafts 115 on two sets of driven synchronous pulleys 114 to rotate through two synchronous belts. The two rotating shafts 115 drive two sets of cutting knives 116 and the material guiding blades 117 to rotate accordingly. Then, the two sets of cutting knives 116 in the rotating state cut the crushed rapeseed residue extruded from the forming plate 87, playing an anti-adhesion role. Then, the material guiding blades 117 guide the rapeseed residue reaching the material guiding cover 3 into the feeding rack 4, playing an anti-blocking role; The rapeseed residue in the two sets of material guiding covers 3 is sent to the grinding area between the upper grinding plate 92 and the lower grinding plate 107 in the grinding box 5 through the two sets of feeding racks 4. The reciprocating lead screw 82 drives the upper grinding plate 92 to rotate through the extension rod 91. Meanwhile, the main bevel gear 101 drives the secondary bevel gear 103 on the bevel gear frame 102 to rotate successively. The secondary bevel gear 103 drives the differential gear 105 to rotate through the long rotating rod 104. The differential gear 105 drives the lower grinding plate 107 in the single-sided gear ring 106 to rotate differentially. Then, the rotating upper grinding plate 92 drives the upper grinding head 93, and the lower grinding plate 107 drives the lower grinding head 108 to perform two-way differential grinding on the rapeseed residue; During this period, the rotating upper grinding plate 92 drives the universal ball 95 to roll on the special-shaped ring 94 in a fixed state through the carriage 96. The compression spring 97 plays an elastic buffering and elastic resetting cooperation with the carriage 96. And because the special-shaped ring 94 is designed with concave and convex waves and has a height difference, it forces the carriage 96 on the universal ball 95 to drive the crushing teeth 15 on the crushing plate 14 to move up and down, playing an auxiliary crushing and material turning role for the rapeseed residue in the area of the upper grinding head 93 until the rapeseed residue is ground in place. The qualified rapeseed residue passes through the three-component sieve plate 16 and reaches the discharge port 17, and then is discharged through the discharge pipe 19 on the discharge rack 18. The unqualified rapeseed residue still remains in the grinding area between the upper grinding plate 92 and the lower grinding plate 107 and continues to be ground until all the rapeseed residue is completely ground.

[0027] It should be noted that the specific model and specification of the servo motor 81 need to be selected according to the actual specifications of the device, etc. The specific selection calculation method adopts the existing technology in this field, so it will not be elaborated in detail.

[0028] The power supply circuit of the servo motor 81 is clear to those skilled in the art and will not be elaborated in detail here.

[0029] It will be understood that the present invention is described by way of some embodiments, and those skilled in the art will know that various changes or equivalent replacements can be made to these features and embodiments without departing from the spirit and scope of the present invention. Additionally, under the teaching of the present invention, these features and embodiments can be modified to adapt to specific circumstances and materials without departing from the spirit and scope of the present invention. Therefore, the present invention is not limited by the specific embodiments disclosed herein, and all embodiments falling within the scope of the claims of this application belong to the scope protected by the present invention.

Claims

1. An oilseed rape residue grinding device, comprising a crushing box (1), characterized in that: The top of the crushing box (1) is diagonally connected with a feed hopper with a sealing cover, and a material guiding frame (2) with a vertical groove is embedded at the center of the inner cavity of the crushing box (1). Both sides of the crushing box (1) are connected with material guiding covers (3), and the bottom end of the material guiding cover (3) is connected with a feeding frame (4) with a solenoid valve. The inner end of the feeding frame (4) is connected with a grinding box (5) fixedly matched with the crushing box (1); An outer cover (6) is fixedly connected to the outside of the material guiding cover (3), and a leg frame (7) is arranged at the bottom of the grinding box (5). Extrusion components for extruding and feeding the material guiding cover (3) are arranged on both sides of the inner cavity of the crushing box (1). The extrusion components include a servo motor (81) fixed to the top of the crushing box (1), and a reciprocating lead screw (82) fixed to the output shaft of the servo motor (81), which is rotationally matched with the center of the material guiding frame (2); A first grinding component and a second grinding component are respectively arranged in the inner cavity of the grinding box (5). The first grinding component includes an extension rod (91) fixed to the bottom of the reciprocating lead screw (82), which is rotationally matched with the crushing box (1) and the grinding box (5), and an upper grinding disc (92) fixed to the bottom of the extension rod (91), which is rotationally matched with the grinding box (5). The second grinding component includes a main bevel gear (101) fixed to the output shaft of the servo motor (81), and a bevel gear frame (102) meshed outside the main bevel gear (101).

2. The rapeseed residue grinding device according to claim 1, wherein: The extrusion component further includes a lead screw sleeve (83) threadedly connected to the reciprocating lead screw (82). Push-pull arms (84) are hinged to both sides of the lead screw sleeve (83) through hinge joints. The other end of the push-pull arm (84) is hinged to an extrusion plate (85) slidably matched with the crushing box (1). Extrusion teeth (86) are fixedly arranged in an array on the outside of the extrusion plate (85). A forming plate (87) for extruding and crushing the material with the extrusion teeth (86) is embedded on one side of the crushing box (1) close to the material guiding cover (3).

3. The rapeseed residue grinding device according to claim 2, characterized in that: The first grinding component further includes upper grinding heads (93) fixed to the upper grinding disc (92) in an equilateral triangle pattern at equal intervals. An irregular ring (94) is fixedly connected to the top of the inner cavity of the grinding box (5). Universal balls (95) are rotatably connected to the bottom of the irregular ring (94). A sliding frame (96) fixedly connected to the bottom of the universal ball (95) and slidably matched with the upper grinding disc (92) is sleeved with a compression spring (97) fixedly matched with the upper grinding disc (92). The sliding frame (96) and the upper grinding heads (93) are arranged in an alternating pattern.

4. A rapeseed residue grinding device according to claim 3, characterized in that: The second grinding assembly further comprises a secondary bevel gear (103) meshed with the outside of the bevel gear frame (102), and the bottom of the secondary bevel gear (103) is fixedly connected to a long rotating rod (104), the bottom of the long rotating rod (104) is fixedly connected to a differential gear (105), and the inner side of the differential gear (105) is meshed with a single-sided gear ring (106) that rotates with the support leg frame (7), the inner side of the single-sided gear ring (106) is fixedly connected to a lower grinding disc (107) used in conjunction with the upper grinding disc (92), and the top triangle of the lower grinding disc (107) is fixed with a lower grinding head (108) used in conjunction with the upper grinding head (93).

5. A rapeseed residue grinding device according to claim 4, characterized in that: A slide groove (12) is transversely provided at the top of the inner cavity of the crushing box (1), and a slider (13) fixedly matched with the extrusion plate (85) is slidably connected to the inner cavity of the slide groove (12).

6. The rapeseed residue grinding device according to claim 5, wherein: The forming plate (87) is provided with forming holes in an array, and the ends of the forming holes are provided with arc chamfers and are distributed in a one-to-one alignment with the extrusion teeth (86).

7. A rapeseed residue grinding device according to claim 6, characterized in that: A hidden groove is provided at the bottom of the upper grinding disc (92), and a crushing plate (14) fixedly matched with the slide (96) slides in the hidden groove, and crushing teeth (15) are fixed in an array at the bottom of the crushing plate (14).

8. A rapeseed residue grinding device according to claim 7, characterized in that: The upper triangle of the lower grinding disc (107) is provided with discharge openings (17) at equal intervals, and is staggered with the lower grinding head (108), and a screening plate (16) is embedded in the discharge opening (17).

9. A rapeseed residue grinding device according to claim 8, characterized in that: The bottom end of the lower grinding disc (107) near the discharge port (17) is connected to a discharge rack (18), and the inner end of the discharge rack (18) is connected to a discharge pipe (19) with a one-way valve.

10. A rapeseed residue grinding device according to claim 9, characterized in that: The grinding box (5) is provided with an annular edge (20) on one side close to the feeding rack (4), and an annular sliding mouth (21) is rotatably connected in the annular edge (20) and fixedly matched with the single-sided gear ring (106).

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