Granulation equipment and granulation method for negative electrode raw materials
By designing a granulation equipment including flip rods, scrapers and granulation cone mesh, the problem of materials easily mixing into air in the negative electrode raw material granulation equipment is solved, and efficient and high-quality granulation effect is achieved.
Patent Information
- Application Number
- CN202510300055.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-14
- Publication Date
- 2025-04-15
- Estimated Expiration
- Not applicable · inactive patent
AI Technical Summary
The existing granulation equipment for negative electrode raw materials is prone to mix air in the material granulation process, resulting in hollow particles and affecting the granulation quality.
A granulation equipment including a support frame, a material kettle, a granulation mechanism and a mixing mechanism is designed. The material is extruded multiple times by turning the rod and the small holes on the granulation cone net are used to form particles, and the materials in the kettle are stirred through the mixing mechanism to ensure that the materials are fully mixed.
It achieves efficient and continuous granulation, improves granulation efficiency, avoids the air contained in the granulated particles, thereby ensuring the quality of the granulated products.
Smart Images
Figure CN119819199A_ABST
Abstract
Description
Technical Field
[0001] The invention relates to the technical field of granulation equipment, in particular to granulation equipment and a granulation method for negative electrode raw materials. Background Art
[0002] Negative electrode raw materials usually refer to the negative electrode materials in lithium batteries. Common negative electrode materials include graphite, silicon-based materials, lithium titanate, etc. In the production process of negative electrode materials, granulation equipment is often required to granulate the powder. The granulation equipment can process negative electrode raw materials of different particle sizes into uniform particles through a certain process to improve the fluidity and processing performance of the negative electrode materials, while ensuring the quality stability of the battery. There are various types of granulation equipment for negative electrode raw materials. The selection of suitable equipment needs to be comprehensively determined based on the characteristics of the raw materials, production scale and particle requirements. In actual applications, it is often necessary to optimize the production process according to different process requirements and equipment characteristics to ensure the quality and production efficiency of the negative electrode materials.
[0003] When using the existing granulation equipment for negative electrode raw materials, there is still a problem that air is easily mixed into the material during the granulation process, resulting in hollow particles and affecting the granulation quality. Therefore, a granulation equipment and a granulation method for negative electrode raw materials are proposed to solve the above-mentioned problems. Summary of the invention
[0004] The technical problem to be solved by the present invention is to provide a granulation device and a granulation method for negative electrode raw materials in view of the deficiencies in the above-mentioned prior art.
[0005] In order to solve the above technical problems, the technical solution adopted by the present invention is: a granulation device for negative electrode raw materials, comprising a support frame, a frame ring is fixedly connected to the middle of the side of the support frame, an auxiliary frame is fixedly connected to the side of the upper half of the support frame, a material kettle is fixedly connected to the top of the support frame, a granulation mechanism is arranged at the center of the bottom end of the material kettle, a mixing mechanism is arranged inside the material kettle, a grinding and feeding mechanism is arranged at the top of the mixing mechanism, and an output shaft is rotatably connected to the center of the interior of the material kettle; The granulating mechanism includes a feeding rotary blade, which is fixedly connected to the bottom end of the output shaft, and a pushing barrel is fixedly connected to the bottom center of the bottom surface of the material kettle, the inside of the pushing barrel is rotatably connected to a worm gear, the side of the worm gear is fixedly connected to a feeding rotary blade, and the side of the worm gear is meshingly connected to a worm, the end of the pushing barrel away from the output shaft is fixedly connected to a sliding channel, and the upper and lower sides of the sliding channel are rotatably connected to two extrusion tooth rollers, the end of the sliding channel away from the pushing barrel is fixedly connected to a feeding barrel, the bottom end of the output shaft is fixedly connected to a connecting shaft, the bottom end of the feeding barrel is fixedly connected to a granulating tank, the inner wall of the granulating tank is fixedly connected to a granulating cone net, the bottom end of the connecting shaft of the granulating cone net is fixedly connected to a flip rod, the top surface of the flip rod is fixedly connected to two dividing pieces, and the end of the flip rod close to the inner wall of the granulating cone net is fixedly connected to a scraper.
[0006] According to the above technical scheme, the worm is fixedly connected to the bottom end of the output shaft, the side of the extrusion tooth roller is fixedly connected with meshing teeth, the connecting shaft passes through the center of the top to the bottom of the granulating cone net, the connecting shaft is rotatably connected to the granulating cone net, the scraper and the granulating cone net fit together, and a plurality of small holes are provided on the side of the granulating cone net. When the output shaft is driven by an external motor, the rotation of the output shaft drives the connected feeding impeller to rotate, and the mixed material in the material kettle is transported to the pushing barrel through the rotation of the feeding impeller through the rotation of the feeding impeller. The rotation of the output shaft also drives the connected worm to rotate, so that the worm in a moving state drives the meshing worm wheel to rotate, and the material falling into the pushing barrel is squeezed into the slide barrel through the pushing impeller through the rotation of the worm wheel. The air in the material is discharged from the material channel, and the material in the sliding channel contacts the two extrusion tooth rollers through sliding. The two extrusion tooth rollers meshing with meshing teeth squeeze the material in the sliding channel into sheets and discharge it into the discharge barrel so that the sheet material can be granulated and fall from the discharge barrel into the granulation tank. In the process of the material falling into the granulation tank, the coupling connected to the output shaft drives the flip rod to rotate, so that the dividing piece connected to the flip rod cuts the sheet material into small pieces and breaks it up. Then, the scraper connected to the flip rod extrude the small pieces of material to the side of the granulation cone net, and squeezes the scattered small pieces of material through the small holes on the granulation cone net to form particles. The scraper driven by the flip rod is continuously pressurized on the scattered material to achieve efficient and continuous granulation.
[0007] According to the above technical scheme, the mixing mechanism includes a pushing base plate, the pushing base plate is fixedly connected to the top surface of the unloading impeller, the top surface of the pushing base plate is fixedly connected to the crown ring, two contact blocks are arranged on the top of the crown ring, and each side of the contact block is fixedly connected to a connecting rod, the end of the connecting rod away from the contact block is fixedly connected to a vertical sliding ring, the middle top side of the connecting rod is fixedly connected to a folding plate, the top end of the folding plate is fixedly connected to a pressure ring, the outer side of the pressure ring is slidably connected to an inclined groove hinge rod, the outer surface of the output shaft is fixedly connected to an articulated shaft seat, the middle part of the inclined groove hinge rod is articulated to an inclined hinge rod, and the top end of the inclined hinge rod is articulated to a sliding seat block.
[0008] According to the above technical solution, a thin top rod is fixedly connected to the top surface of the sliding seat block, and each of the inclined hinge rods and the inclined groove hinge rods is hingedly connected to a thin hinge rod at one end away from the hinged shaft seat, and a thick sleeve rod is slidably connected between the two thin hinge rods, and the outer surface of the thick sleeve rod is rotatably connected to two flipping plates.
[0009] According to the above technical solution, the hinged shaft seat is hingedly connected to the bottom end of the inclined groove hinge rod, the sliding seat block is slidably connected to the hinged shaft seat, the contact block is fitted with the top of the crown ring, and the connected pushing base plate is driven to rotate by the rotation of the output shaft, so that the crown ring fixed on the pushing base plate fits the contact block and rotates. When the crown ring protrusion pushes the contact block upward, the contact block drives the connected connecting rod and the vertical sliding ring to slide upward along the output shaft and rotate with the output shaft. The folding plate connected to the connecting rod drives the pressure ring to push the inclined groove hinge rod upward. At this time, the inclined hinge rod hinged to the inclined groove hinge rod slides upward along the hinged shaft seat through the connected sliding seat block, and the inclined hinge rod The other end drives the connected thin hinge rod and thick sleeve rod to approach the hinged shaft seat, and by changing the distance between the hinged shaft seat and the thick sleeve rod, the materials at different positions in the kettle are stirred to improve the mixing effect of the materials. At the same time, when the thick sleeve rod moves close to or away from the hinged shaft seat, the two flipping plates connected to the thick sleeve rod are driven to flip. When the thick sleeve rod approaches the hinged shaft seat, the two flipping plates are close to each other and retracted. When the thick sleeve rod is away from the hinged shaft seat, the two flipping plates are away from each other and unfolded, pushing the surrounding materials from the center of the kettle to the outer circle, thereby improving the mixing of materials in the center and the space outside the center of the kettle, and further improving the material mixing effect.
[0010] According to the above technical solution, the grinding feeding mechanism includes a top pressure ring, the top surface of the top pressure ring is fixedly connected with four top pressure rods, the top ends of the four top pressure rods are fixedly connected with an upper top ring, the outer edge of the upper top ring is fixedly connected with three fixed ring rods, the top ends of the fixed ring rods are fixedly connected with a push ring, the outer side of the push ring is slidably connected with a plurality of inclined groove plates, the top surface of each inclined groove plate is fixedly connected with a hinge pressure strip, and the hinge pressure strip.
[0011] According to the above technical solution, a grinding turntable is fixedly connected to the outer side of the top end of the output shaft, a grinding fixed end is arranged above the grinding turntable, and a plurality of roller shafts are rotatably connected to the bottom surface of the grinding fixed end.
[0012] The cam is fixedly mounted on the upper surface of the grinding wheel, and the two ends of the cam are fixedly mounted on the upper surface of the grinding wheel, so that the cam can move upward and downward, and the cam can pass through the bottom of the grinding wheel and push the upper surface of the grinding wheel upward to move the upper surface of the grinding wheel.
[0013] A granulation method of a granulation device for negative electrode raw materials, comprising: S1: The thin push rod connected to the slide block pushes the contacting push ring to move upward, so that the push ring passes through the bottom of the grinding turntable through the connected push rod and pushes the upper push ring upward. The movement of the upper push ring will cause the push ring to press the inclined slot plate through the connected fixed ring rod. After the inclined slot plate is pressed, it will drive the connected hinge pressure strip to hinge around the grinding turntable and turn over, and the gap between them will be reduced by bringing the hinge pressure strip close to the roller pressure shaft above. S2: The crushed material will then roll down between the grinding disc and the grinding solid end to the edge of the grinding disc. During this process, the material will be crushed by the roller until it passes through the gap between the grinding solid end and the grinding disc and falls to the lower half of the kettle. By applying pressure and grinding to the agglomerated material, the powdered material can be fully mixed, thereby improving the material mixing effect. S3: The output shaft rotates to drive the connected push plate to rotate, so that the crown ring fixed on the push plate rotates in contact with the contact block. When the crown ring protrudes upward, the contact block drives the connected connecting rod and vertical sliding ring to slide upward along the output shaft and rotate with the output shaft. The folding plate connected to the connecting rod drives the pressure ring to push the inclined groove hinge rod upward. At this time, the inclined hinge rod hinged to the inclined groove hinge rod slides upward along the hinge shaft seat through the connected sliding seat block, and the other end of the inclined hinge rod drives the connected thin hinge rod and thick sleeve rod to approach the hinge shaft seat. S4: The thick sleeve rod moves close to or away from the hinged shaft seat, driving the two flipping plates connected to the thick sleeve rod to flip. When the thick sleeve rod is close to the hinged shaft seat, the two flipping plates are moved close to each other and retracted. When the thick sleeve rod is away from the hinged shaft seat, the two flipping plates are moved away from each other and spread out, pushing the surrounding materials from the center of the kettle to the outer circle, thereby improving the mixing of materials in the center and the space outside the center of the kettle, further improving the material mixing effect, and allowing the evenly mixed materials to be fully mixed into the materials required for the negative electrode of the power supply under the heating effect of the resistance wire on the inner wall of the kettle; S5: The mixed material in the material kettle is transported to the push barrel through the rotation of the discharge rotor blade, and the output shaft rotates and drives the connected worm to rotate at the same time, so that the worm in motion drives the meshing worm wheel to rotate, and the material falling into the push barrel is squeezed by the discharge rotor blade through the rotation of the worm wheel and then discharged into the sliding channel to discharge the air in the material. The material in the sliding channel contacts the two extrusion tooth rollers through sliding, and the two extrusion tooth rollers meshing with meshing teeth squeeze the material in the sliding channel into sheets and discharge them into the discharge barrel, so that the sheet material can be granulated and fall from the discharge barrel into the granulation tank; S6: When the material falls into the granulation tank, the coupling connected to the output shaft drives the flip rod to rotate, so that the splitter connected to the flip rod cuts the pressed material into small pieces and breaks it up. The scraper connected to the flip rod then squeezes the small pieces of material toward the side of the granulation cone, and squeezes the scattered small pieces of material through the small holes on the granulation cone to form particles. The flip rod drives the scraper to continuously pressurize the scattered material.
[0014] The present invention adopts the above technical solution to bring the following beneficial effects: 1. The granulation equipment for negative electrode raw materials uses a scraper connected to a flip rod to extrude small pieces of material to the side of the granulation cone, squeezes the scattered small pieces of material through the small holes on the granulation cone to form particles, and uses the flip rod to drive the scraper to continuously pressurize the scattered material to achieve efficient and continuous granulation, improve granulation efficiency, and avoid air in the granulated particles through multiple extrusions to ensure the quality of the granulated products.
[0015] 2. The granulating equipment for negative electrode raw materials stirs the materials at different positions in the kettle by changing the distance between the hinged shaft seat and the thick sleeve rod, thereby improving the mixing effect of the materials. At the same time, when the thick sleeve rod is away from the hinged shaft seat, the two flipping plates move away from each other and push the surrounding materials from the center of the kettle to the outer circle, thereby improving the mixing of the materials in the center and the space outside the center of the kettle, further improving the mixing effect of the materials, and allowing the evenly mixed materials to be fully mixed into the materials required for the negative electrode of the power supply under the heating action of the resistance wire on the inner wall of the kettle.
[0016] 3. The granulation equipment for negative electrode raw materials reduces the gap between the roller shafts by connecting the hinged pressure strips close to the upper side, thereby crushing the agglomerated materials put into the top of the kettle, and then the crushed materials will roll down between the grinding turntable and the grinding solid end to the edge of the grinding turntable, and the materials will be crushed by the roller shaft until they pass through the gap between the grinding solid end and the grinding turntable and fall into the lower half of the kettle. By applying pressure and grinding to the agglomerated materials, the powdered materials can be fully mixed, thereby improving the material mixing effect. BRIEF DESCRIPTION OF THE DRAWINGS
[0017] Figure 1 It is a schematic diagram of the overall front three-dimensional structure of the present invention; Figure 2 It is a schematic diagram of the overall rear-view stereoscopic structure of the present invention; Figure 3 It is a schematic diagram of the internal structure of the kettle of the present invention; Figure 4 It is a schematic diagram of the structure of the granulation mechanism of the present invention; Figure 5 For the present invention Figure 4 A is a schematic diagram of the enlarged structure of the middle part; Figure 6 It is a schematic diagram of the structure of the mixing mechanism of the present invention; Figure 7 It is a schematic diagram of the structure of the grinding and feeding mechanism of the present invention.
[0018] In the figure: 1, support frame; 2, frame ring; 3, auxiliary frame; 4, material kettle; 5, granulation mechanism; 51, material discharge rotary blade; 52, material pusher; 53, material discharge rotary blade; 54, worm gear; 55, worm; 56, material sliding channel; 57, material discharge barrel; 58, material extrusion gear roller; 59, connecting shaft; 510, granulation tank; 511, granulation cone net; 512, turning rod; 513, scraper; 514, dividing piece; 6, mixing mechanism; 61, material pusher bottom plate; 62, crown ring; 63, contact block; 64, connecting rod; 65 , folding plate; 66, vertical sliding ring; 67, pressure ring; 68, articulated shaft seat; 69, inclined groove hinge rod; 610, inclined hinge rod; 611, slide block; 612, thin push rod; 613, thin hinge rod; 614, thick sleeve rod; 615, flipping plate; 7, grinding feeding mechanism; 71, top pressure ring; 72, top pressure rod; 73, upper top ring; 74, fixed ring rod; 75, push ring; 76, inclined groove plate; 77, hinge pressure strip; 78, grinding turntable; 79, grinding fixed end; 710, roller shaft; 8, output shaft. DETAILED DESCRIPTION
[0019] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.
[0020] See also Figure 1-Figure 7 One embodiment of the present invention is: a granulation device for negative electrode raw materials, including a support frame 1, a frame ring 2 is fixedly connected to the middle of the side of the support frame 1, an auxiliary frame 3 is fixedly connected to the side of the upper half of the support frame 1, a material kettle 4 is fixedly connected to the top of the support frame 1, a granulation mechanism 5 is arranged at the bottom center of the material kettle 4, a mixing mechanism 6 is arranged inside the material kettle 4, a grinding and feeding mechanism 7 is arranged at the top of the mixing mechanism 6, and an output shaft 8 is rotatably connected to the inner center of the material kettle 4; The granulating mechanism 5 comprises a material discharge rotor 51, which is fixedly connected to the bottom end of the output shaft 8. A material pusher 52 is fixedly connected to the center of the bottom surface of the material kettle 4. A worm gear 54 is rotatably connected to the inside of the material discharge barrel 52. A material discharge rotor 53 is fixedly connected to the side of the worm gear 54. A worm 55 is meshingly connected to the side of the worm gear 54. A material sliding channel 56 is fixedly connected to the end of the material discharge barrel 52 away from the output shaft 8. Two extrusion tooth rollers 58 are rotatably connected to the upper and lower sides of the material sliding channel 56. The end away from the push cylinder 52 is fixedly connected with the discharge cylinder 57, the bottom end of the output shaft 8 is fixedly connected with the connecting shaft 59, the bottom end of the discharge cylinder 57 is fixedly connected with the granulation tank 510, the inner wall of the granulation tank 510 is fixedly connected with the granulation cone net 511, the outer side of the bottom end of the connecting shaft 59 of the granulation cone net 511 is fixedly connected with a flip rod 512, the top surface of the flip rod 512 is fixedly connected with two dividing pieces 514, and the end of the flip rod 512 close to the inner wall of the granulation cone net 511 is fixedly connected with a scraper 513.
[0021] The worm 55 is fixedly connected to the bottom end of the output shaft 8, and the side of the extrusion tooth roller 58 is fixedly connected with meshing teeth. The connecting shaft 59 passes through the center of the top to the bottom of the granulating cone net 511. The connecting shaft 59 is rotatably connected to the granulating cone net 511, and the scraper 513 fits with the granulating cone net 511. A plurality of small holes are provided on the side of the granulating cone net 511. When the output shaft 8 is driven by an external motor, the output shaft 8 rotates to drive the connected unloading vane 51 to rotate. The unloading vane 51 rotates to transport the mixed materials in the material kettle 4 to the push barrel 52 through the rotation of the unloading vane 51. The output shaft 8 rotates and drives the connected worm 55 to rotate at the same time, so that the worm 55 in motion drives the meshing worm wheel 54 to rotate, and the worm wheel 54 rotates to squeeze the materials falling into the push barrel 52 through the push vane 53 and then discharge them into the sliding channel 56 to discharge the air in the materials. The materials in the sliding channel 56 contact with the sliding vane 53 through sliding. The two extrusion tooth rollers 58, through the meshing teeth of the two extrusion tooth rollers 58, extrude the material in the sliding channel 56 into sheets and discharge them into the discharge barrel 57, so that the sheet material can be granulated and fall from the discharge barrel 57 into the granulation tank 510. In the process of the material falling into the granulation tank 510, the connecting shaft 59 connected to the output shaft 8 drives the turning rod 512 to rotate, so that the dividing piece 514 connected to the turning rod 512 cuts the sheet material into small pieces and breaks it up, and then the small pieces of material are pressed against the side of the granulation cone net 511 by the scraper 513 connected to the turning rod 512, and the scattered small pieces of material are squeezed through the small holes on the granulation cone net 511 to form particles, and the scraper 513 driven by the turning rod 512 is continuously pressurized on the scattered material, so as to realize efficient and continuous granulation, improve the granulation efficiency, and avoid air in the granulated particles through multiple extrusions to ensure the quality of the granulated products.
[0022] The mixing mechanism 6 includes a pushing base plate 61, which is fixedly connected to the top surface of the unloading impeller 51, and the top surface of the pushing base plate 61 is fixedly connected to a crown ring 62. Two contact blocks 63 are arranged on the top of the crown ring 62, and a connecting rod 64 is fixedly connected to the side of each contact block 63. The end of the connecting rod 64 away from the contact block 63 is fixedly connected to a vertical sliding ring 66, and a folding plate 65 is fixedly connected to the middle top side of the connecting rod 64. The top of the folding plate 65 is fixedly connected to a pressure ring 67, and the outer side of the pressure ring 67 is slidably connected to an inclined groove hinge rod 69. The outer surface of the output shaft 8 is fixedly connected to an articulated shaft seat 68, the middle part of the inclined groove hinge rod 69 is articulated to an inclined hinge rod 610, and the top of the inclined hinge rod 610 is articulated to a sliding seat block 611.
[0023] A thin top rod 612 is fixedly connected to the top surface of the slide block 611, and each inclined hinge rod 610 and the inclined groove hinge rod 69 are hingedly connected to a thin hinge rod 613 at one end away from the hinge shaft seat 68. A thick sleeve rod 614 is slidably connected between the two thin hinge rods 613, and two flipping plates 615 are rotatably connected to the outer surface of the thick sleeve rod 614.
[0024] The hinged shaft seat 68 is hingedly connected to the bottom end of the inclined groove hinge rod 69, the sliding seat block 611 is slidably connected to the hinged shaft seat 68, the contact block 63 and the top of the crown ring 62 fit each other, and the output shaft 8 rotates to drive the connected pusher bottom plate 61 to rotate, so that the crown ring 62 fixed on the pusher bottom plate 61 fits the contact block 63 to rotate, and when the raised part of the crown ring 62 pushes the contact block 63 upward, the contact block 63 drives the connected connecting rod 64 and the vertical sliding ring 66 to slide upward along the output shaft 8 and rotate with the output shaft 8, and the folding plate 65 connected to the connecting rod 64 will drive the pressure ring 67 to push the inclined groove hinge rod 69 upward. At this time, the inclined hinge rod 610 hinged to the inclined groove hinge rod 69 slides upward along the hinged shaft seat 68 through the connected sliding seat block 611, and the other end of the inclined hinge rod 610 drives the connected thin hinge rod 613 and the thick sleeve rod 614 to approach The articulated shaft seat 68 stirs the materials at different positions in the kettle 4 by changing the distance between the articulated shaft seat 68 and the thick sleeve rod 614, thereby improving the mixing effect of the materials. At the same time, when the thick sleeve rod 614 moves close to or away from the articulated shaft seat 68, the two flipping plates 615 connected to the thick sleeve rod 614 are driven to flip. When the thick sleeve rod 614 is close to the articulated shaft seat 68, the two flipping plates 615 are retracted close to each other. When the thick sleeve rod 614 is away from the articulated shaft seat 68, the two flipping plates 615 are spread apart from each other and push the surrounding materials from the center of the kettle 4 to the outer circle, thereby improving the mixing of the materials in the center and the space outside the center of the kettle 4, further improving the material mixing effect, and allowing the evenly mixed materials to be fully mixed into the materials required for the negative electrode of the power supply under the heating action of the resistance wire on the inner wall of the kettle 4.
[0025] The grinding feeding mechanism 7 includes a top pressure ring 71, the top surface of the top pressure ring 71 is fixedly connected with four top pressure rods 72, the top ends of the four top pressure rods 72 are fixedly connected with an upper top ring 73, the outer edge of the upper top ring 73 is fixedly connected with three fixed ring rods 74, the top ends of the fixed ring rods 74 are fixedly connected with a push ring 75, the outer sides of the push ring 75 are slidably connected with multiple inclined groove plates 76, and the top surface of each inclined groove plate 76 is fixedly connected with a hinge pressure strip 77.
[0026] A grinding turntable 78 is fixedly connected to the outer side of the top end of the output shaft 8 , a grinding fixed end 79 is arranged above the grinding turntable 78 , and a plurality of roller shafts 710 are rotatably connected to the bottom surface of the grinding fixed end 79 .
[0027] One end of the hinge strip 77 is hingedly connected to the grinding turntable 78, and the push rod 72 slides through the bottom surface of the grinding turntable 78 to the inside. A return spring is provided on the top surface of the upper top ring 73, and the two ends of the return spring are fixedly connected to the grinding turntable 78 and the upper top ring 73 respectively. The grinding fixed end 79 is fixedly connected to the material kettle 4, and the thin push rod 612 connected to the slide block 611 pushes the contacting push ring 71 to move upward, so that the push ring 71 passes through the bottom of the grinding turntable 78 through the connected push rod 72 and pushes the upper top ring 73 to move upward. The movement of the upper top ring 73 will cause the push ring 75 to press the inclined groove plate 76 through the connected fixed ring rod 74, and the inclined groove When the plate 76 is compressed, it will drive the connected hinged pressure strip 77 to hinge and flip around the grinding turntable 78, and the gap between the connected hinged pressure strip 77 and the roller shaft 710 above will be narrowed, so that the agglomerated material put into the top of the material kettle 4 will be crushed, and then the crushed material will roll down between the grinding turntable 78 and the grinding solid end 79 to the edge of the grinding turntable 78. In this process, the material will be crushed by the roller shaft 710 until it passes through the gap between the grinding solid end 79 and the grinding turntable 78 and falls to the lower half of the material kettle 4. By applying pressure and grinding to the agglomerated material, the powdered material can be fully mixed, thereby improving the material mixing effect.
[0028] When the output shaft 8 is driven by an external motor, the output shaft 8 rotates to drive the connected unloading vane 51 to rotate. The unloading vane 51 rotates to transport the mixed materials in the material kettle 4 to the push barrel 52 through the unloading vane 51. The output shaft 8 rotates and drives the connected worm 55 to rotate at the same time, so that the moving worm 55 drives the meshing worm wheel 54 to rotate, and the worm wheel 54 rotates to squeeze the materials falling into the push barrel 52 through the pushing vane 53 and then discharge them into the sliding channel 56 to exhaust the air in the materials. The materials in the sliding channel 56 contact the two extrusion tooth rollers 58 through sliding. The two extrusion tooth rollers 58 meshing with meshing teeth squeeze the materials in the sliding channel 56 into sheets and discharge them into the unloading barrel 57 so that the sheets can be discharged. The material is granulated and falls from the discharge barrel 57 into the granulation tank 510. In the process of the material falling into the granulation tank 510, the connecting shaft 59 connected to the output shaft 8 drives the turning rod 512 to rotate, so that the dividing piece 514 connected to the turning rod 512 cuts the sheet-shaped material into small pieces and breaks it up. Then, the scraper 513 connected to the turning rod 512 presses the small pieces of material to the side of the granulation cone net 511, and squeezes the scattered small pieces of material through the small holes on the granulation cone net 511 to form particles. The scraper 513 driven by the turning rod 512 is continuously pressurized on the scattered material, so as to realize efficient and continuous granulation, improve the granulation efficiency, and avoid air in the granulated particles through multiple extrusions to ensure the quality of the granulated products.
[0029] Working principle: When the output shaft 8 is driven by an external motor, the output shaft 8 rotates to drive the connected unloading vane 51 to rotate, and the mixed material in the material kettle 4 is transported to the push barrel 52 through the rotation of the unloading vane 51. The output shaft 8 rotates and drives the connected worm 55 to rotate at the same time, so that the moving worm 55 drives the meshing worm wheel 54 to rotate, and the material falling into the push barrel 52 is squeezed by the push vane 53 through the rotation of the worm wheel 54 and discharged into the sliding channel 56 to discharge the air in the material. The material in the sliding channel 56 contacts the two extrusion tooth rollers 58 through sliding, and the two extrusion tooth rollers 58 meshing with meshing teeth squeeze the material in the sliding channel 56 into sheets and discharge them into the unloading barrel 57. The flake material is granulated and falls from the discharge barrel 57 into the granulation tank 510. In the process of the material falling into the granulation tank 510, the coupling 59 connected to the output shaft 8 drives the flip rod 512 to rotate, so that the dividing piece 514 connected to the flip rod 512 cuts the flaked material into small pieces and breaks it up. Then, the scraper 513 connected to the flip rod 512 presses the small pieces of material against the side of the granulation cone net 511, and squeezes the scattered small pieces of material through the small holes on the granulation cone net 511 to form particles. The flip rod 512 drives the scraper 513 to continuously pressurize the scattered material, so as to realize efficient and continuous granulation, improve the granulation efficiency, and avoid air in the granulated particles through multiple extrusions to ensure the quality of the granulated products. The output shaft 8 rotates to drive the connected push plate 61 to rotate, so that the crown ring 62 fixed on the push plate 61 fits the contact block 63 to rotate. When the raised part of the crown ring 62 pushes the contact block 63 upward, the contact block 63 drives the connected connecting rod 64 and the vertical sliding ring 66 to slide upward along the output shaft 8 and rotate with the output shaft 8. The folding plate 65 connected to the connecting rod 64 drives the pressure ring 67 to push the inclined groove hinge rod 69 upward. At this time, the inclined hinge rod 610 hinged to the inclined groove hinge rod 69 slides upward along the hinge shaft seat 68 through the connected sliding seat block 611, and the other end of the inclined hinge rod 610 drives the connected thin hinge rod 613 and the thick sleeve rod 614 to approach the hinge shaft seat 68. By changing the distance between the hinge shaft seat 68 and the thick sleeve rod 614, the distance, stir the materials at different positions in the material kettle 4 to improve the mixing effect of the materials. At the same time, when the thick sleeve rod 614 moves close to or away from the hinged shaft seat 68, the two flipping plates 615 connected to the thick sleeve rod 614 are turned over. When the thick sleeve rod 614 is close to the hinged shaft seat 68, the two flipping plates 615 are close to each other and retracted. When the thick sleeve rod 614 is away from the hinged shaft seat 68, the two flipping plates 615 are away from each other and unfolded to push the surrounding materials from the center of the material kettle 4 to the outer circle, thereby improving the mixing of the materials in the center and the space outside the center of the material kettle 4, further improving the material mixing effect, and allowing the evenly mixed materials to be fully mixed into the materials required for the negative electrode of the power supply under the heating action of the resistance wire on the inner wall of the material kettle 4.
[0030] The thin push rod 612 connected by the sliding seat block 611 pushes the contacting pressing ring 71 to move upward, so that the pressing ring 71 passes through the bottom of the grinding turntable 78 through the connected pressing rod 72 and pushes the upper pressing ring 73 upward to move. The movement of the upper pressing ring 73 will cause the push ring 75 to apply pressure to the inclined slot plate 76 through the connected fixed ring rod 74. After the inclined slot plate 76 is pressed, it will drive the connected hinge pressure strip 77 to hinge around the grinding turntable 78 and flip over. The gap between the hinge pressure strip 77 and the upper roller pressure shaft 710 is narrowed by closing the gap between them, thereby crushing the agglomerated material put into the top of the material kettle 4, and then the crushed material will roll down between the grinding turntable 78 and the grinding fixed end 79 to the edge of the grinding turntable 78. In this process, the material will be crushed by the roller pressure shaft 710 until it passes through the gap between the grinding fixed end 79 and the grinding turntable 78 and falls to the lower half of the material kettle 4. By applying pressure and grinding to the agglomerated material, the powdered material can be fully mixed, thereby improving the material mixing effect.
[0031] A granulation method of a granulation device for negative electrode raw materials, comprising: S1: The thin push rod 612 connected to the slide block 611 pushes the contacting push ring 71 to move upward, so that the push ring 71 passes through the bottom of the grinding turntable 78 through the connected push rod 72 and pushes the upper push ring 73 upward to move. The movement of the upper push ring 73 will cause the push ring 75 to press the inclined groove plate 76 through the connected fixed ring rod 74. After the inclined groove plate 76 is pressed, it will drive the connected hinge pressure strip 77 to hinge around the grinding turntable 78 and flip, and the gap between them will be reduced by bringing the hinge pressure strip 77 close to the upper roller pressure shaft 710; S2: The crushed material will then roll down between the grinding turntable 78 and the grinding solid end 79 to the edge of the grinding turntable 78. During this process, the material will be crushed by the roller shaft 710 until it passes through the gap between the grinding solid end 79 and the grinding turntable 78 and falls to the lower half of the material kettle 4. By applying pressure and grinding to the agglomerated material, the powdered material can be fully mixed, thereby improving the material mixing effect. S3: The output shaft 8 rotates to drive the connected push plate 61 to rotate, so that the crown ring 62 fixed on the push plate 61 rotates in contact with the contact block 63. When the raised part of the crown ring 62 pushes the contact block 63 upward, the contact block 63 drives the connected connecting rod 64 and the vertical sliding ring 66 to slide upward along the output shaft 8 and rotate with the output shaft 8. The folding plate 65 connected to the connecting rod 64 drives the pressure ring 67 to push the inclined groove hinge rod 69 upward. At this time, the inclined hinge rod 610 hinged to the inclined groove hinge rod 69 slides upward along the hinge shaft seat 68 through the connected sliding seat block 611, and the other end of the inclined hinge rod 610 drives the connected thin hinge rod 613 and the thick sleeve rod 614 to approach the hinge shaft seat 68. S4: The thick sleeve rod 614 moves toward or away from the hinged shaft seat 68, driving the two flipping plates 615 connected to the thick sleeve rod 614 to flip. When the thick sleeve rod 614 approaches the hinged shaft seat 68, the two flipping plates 615 move toward each other and retract. When the thick sleeve rod 614 moves away from the hinged shaft seat 68, the two flipping plates 615 move away from each other and expand, pushing the surrounding materials from the center of the material kettle 4 to the outer circle, thereby improving the mixing of the materials in the center and the space outside the center of the material kettle 4, further improving the material mixing effect, and allowing the evenly mixed materials to be fully mixed into the materials required for the negative electrode of the power supply under the heating effect of the resistance wire on the inner wall of the material kettle 4; S5: The mixed material in the material kettle 4 is conveyed to the push barrel 52 through the rotation of the discharge impeller 51, and the output shaft 8 rotates and drives the connected worm 55 to rotate at the same time, so that the moving worm 55 drives the meshing worm wheel 54 to rotate, and the material falling into the push barrel 52 is squeezed by the discharge impeller 53 through the rotation of the worm wheel 54 and then discharged into the sliding channel 56 to discharge the air in the material, and the material in the sliding channel 56 contacts the two extrusion tooth rollers 58 through sliding, and the material in the sliding channel 56 is squeezed into sheets by the two extrusion tooth rollers 58 meshing with meshing teeth and discharged into the discharge barrel 57, so that the sheet material can be granulated and fall from the discharge barrel 57 into the granulation tank 510; S6: When the material falls into the granulation tank 510, the connecting shaft 59 connected to the output shaft 8 drives the flip rod 512 to rotate, so that the dividing piece 514 connected to the flip rod 512 cuts the pressed material into small pieces and breaks them up. Then, the scraper 513 connected to the flip rod 512 squeezes the small pieces of material toward the side of the granulation cone net 511, and squeezes the scattered small pieces of material through the small holes on the granulation cone net 511 to form particles. The flip rod 512 drives the scraper 513 to continuously pressurize the scattered material.
[0032] The present invention provides a granulation device and a granulation method for negative electrode raw materials. There are many methods and ways to implement the technical solution. The above is only a preferred embodiment of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the principle of the present invention. These improvements and modifications should also be regarded as the protection scope of the present invention. All components not specified in this embodiment can be implemented by existing technologies.
Claims
1. A granulation device for negative electrode raw materials, comprising a support frame (1), characterized in that: A frame ring (2) is fixedly connected to the middle of the side of the support frame (1), an auxiliary frame (3) is fixedly connected to the side of the upper half of the support frame (1), a material kettle (4) is fixedly connected to the top of the support frame (1), a granulating mechanism (5) is arranged at the center of the bottom end of the material kettle (4), a mixing mechanism (6) is arranged inside the material kettle (4), a grinding and feeding mechanism (7) is arranged at the top of the mixing mechanism (6), and an output shaft (8) is rotatably connected to the center of the interior of the material kettle (4); The granulating mechanism (5) comprises a material discharge rotor (51), wherein the material discharge rotor (51) is fixedly connected to the bottom end of the output shaft (8), a material pusher (52) is fixedly connected to the center of the bottom surface of the material kettle (4), a worm gear (54) is rotatably connected to the inside of the material pusher (52), a material discharge rotor (53) is fixedly connected to the side of the worm gear (54), a worm (55) is meshingly connected to the side of the worm gear (54), a sliding channel (56) is fixedly connected to one end of the material discharge barrel (52) away from the output shaft (8), and two extrusion tooth rollers (58) are rotatably connected to the upper and lower sides of the sliding channel (56), and the sliding channel (56) is rotatably connected to the two material extrusion tooth rollers (58). One end of the channel (56) away from the pushing cylinder (52) is fixedly connected to a lowering cylinder (57), the bottom end of the output shaft (8) is fixedly connected to a connecting shaft (59), the bottom end of the lowering cylinder (57) is fixedly connected to a granulating tank (510), the inner wall of the granulating tank (510) is fixedly connected to a granulating cone net (511), the outer side of the bottom end of the connecting shaft (59) of the granulating cone net (511) is fixedly connected to a flip rod (512), the top surface of the flip rod (512) is fixedly connected to two dividing pieces (514), and the ends of the flip rods (512) close to the inner wall of the granulating cone net (511) are fixedly connected to scrapers (513).
2. The granulation equipment for negative electrode raw materials according to claim 1, characterized in that: The worm (55) is fixedly connected to the bottom end of the output shaft (8); the side of the extrusion tooth roller (58) is fixedly connected with meshing teeth; the connecting shaft (59) passes through the center of the top to the bottom of the granulating cone net (511); the connecting shaft (59) is rotatably connected to the granulating cone net (511); the scraper (513) and the granulating cone net (511) are in contact with each other; and a plurality of small holes are provided on the side of the granulating cone net (511).
3. The granulation equipment for negative electrode raw materials according to claim 2, characterized in that: The mixing mechanism (6) comprises a material pushing base plate (61), the material pushing base plate (61) is fixedly connected to the top surface of the material discharging rotary blade (51), the top surface of the material pushing base plate (61) is fixedly connected to a crown ring (62), the top of the crown ring (62) is provided with two contact blocks (63), each side of the contact block (63) is fixedly connected to a connecting rod (64), and the end of the connecting rod (64) away from the contact block (63) is fixedly connected to a vertical sliding ring (66), A folding plate (65) is fixedly connected to the top side of the middle part of the connecting rod (64), a pressure ring (67) is fixedly connected to the top end of the folding plate (65), an inclined groove hinge rod (69) is slidably connected to the outer side of the pressure ring (67), an articulated shaft seat (68) is fixedly connected to the outer surface of the output shaft (8), a tilted hinge rod (610) is hingedly connected to the middle part of the tilted hinge rod (69), and a sliding seat block (611) is hingedly connected to the top end of the tilted hinge rod (610).
4. The granulation equipment for negative electrode raw materials according to claim 3, characterized in that: A thin top rod (612) is fixedly connected to the top surface of the slide block (611); one end of each of the inclined hinge rods (610) and the inclined groove hinge rods (69) away from the hinge shaft seat (68) is hingedly connected to a thin hinge rod (613); a thick sleeve rod (614) is slidably connected between the two thin hinge rods (613); and two turning plates (615) are rotatably connected to the outer surfaces of the thick sleeve rods (614).
5. The granulation equipment for negative electrode raw materials according to claim 4, characterized in that: The hinged shaft seat (68) is hingedly connected to the bottom end of the inclined groove hinge rod (69), the sliding seat block (611) is slidably connected to the hinged shaft seat (68), and the contact block (63) and the top of the crown ring (62) are in contact with each other.
6. The granulation equipment for negative electrode raw materials according to claim 5, characterized in that: The grinding feeding mechanism (7) comprises a top pressure ring (71), the top surface of the top pressure ring (71) is fixedly connected to four top pressure rods (72), the top ends of the four top pressure rods (72) are fixedly connected to an upper top ring (73), the outer edge of the upper top ring (73) is fixedly connected to three fixed ring rods (74), the top ends of the fixed ring rods (74) are fixedly connected to a push ring (75), the outer side of the push ring (75) is slidably connected to a plurality of inclined slot plates (76), the top surface of each inclined slot plate (76) is fixedly connected to a hinged pressure strip (77), and the hinged pressure strip (77) is fixedly connected to the top surface of each inclined slot plate (76).
7. The granulation equipment for negative electrode raw materials according to claim 6, characterized in that: A grinding turntable (78) is fixedly connected to the outer side of the top end of the output shaft (8), a grinding fixed end (79) is arranged above the grinding turntable (78), and a plurality of roller shafts (710) are rotatably connected to the bottom surface of the grinding fixed end (79).
8. The granulation equipment for negative electrode raw materials according to claim 7, characterized in that: One end of the hinged pressure strip (77) is hingedly connected to the grinding turntable (78), the pressure rod (72) slides through the bottom surface of the grinding turntable (78) to the inside, the top surface of the upper top ring (73) is provided with a return spring, and the two ends of the return spring are respectively fixedly connected to the grinding turntable (78) and the upper top ring (73), and the grinding fixed end (79) is fixedly connected to the material kettle (4).
9. The granulation method of a granulation device for negative electrode raw materials according to claim 8, characterized in that: include: S1: The thin push rod (612) connected to the slide block (611) pushes the contacting push ring (71) to move upward, so that the push ring (71) passes through the bottom of the grinding turntable (78) through the connected push rod (72) and pushes the upper push ring (73) upward to move. The movement of the upper push ring (73) causes the push ring (75) to apply pressure to the inclined groove plate (76) through the connected fixed ring rod (74). After the inclined groove plate (76) is pressed, it drives the connected hinge pressure strip (77) to hinge around the grinding turntable (78) and flip, and the gap between them is reduced by bringing the hinge pressure strip (77) close to the upper roller pressure shaft (710); S2: The crushed material then rolls down between the grinding disc (78) and the grinding end (79) to the edge of the grinding disc (78). During this process, the material is crushed by the roller (710) until it passes through the gap between the grinding end (79) and the grinding disc (78) and falls to the lower half of the kettle (4). By applying pressure and grinding to the agglomerated material, the powdered material can be fully mixed, thereby improving the material mixing effect. S3: The output shaft (8) is rotated to drive the connected push plate (61) to rotate, so that the crown ring (62) fixed on the push plate (61) fits the contact block (63) to rotate. When the raised part of the crown ring (62) pushes the contact block (63) upward, the contact block (63) drives the connected connecting rod (64) and the vertical sliding ring (66) to slide upward along the output shaft (8) and rotate with the output shaft (8). The folding plate (65) connected to the connecting rod (64) drives the pressure ring (67) to push the inclined groove hinge rod (69) upward. At this time, the inclined hinge rod (610) hinged to the inclined groove hinge rod (69) slides upward along the hinge shaft seat (68) through the connected sliding seat block (611), and the other end of the inclined hinge rod (610) drives the connected thin hinge rod (613) and the thick sleeve rod (614) to approach the hinge shaft seat (68); S4: The thick sleeve rod (614) moves toward or away from the hinged shaft seat (68), driving the two material turning plates (615) connected to the thick sleeve rod (614) to turn over. When the thick sleeve rod (614) approaches the hinged shaft seat (68), the two material turning plates (615) move toward each other and are retracted. When the thick sleeve rod (614) moves away from the hinged shaft seat (68), the two material turning plates (615) move away from each other and are unfolded, pushing the surrounding materials from the center of the material kettle (4) toward the outer circle, thereby improving the mixing of the materials in the center and the space outside the center of the material kettle (4), further improving the material mixing effect, and allowing the evenly mixed materials to be fully mixed into the materials required for the negative electrode of the power supply under the heating effect of the resistance wire on the inner wall of the material kettle (4); S5: The mixed material in the material kettle (4) is conveyed to the push barrel (52) by the rotation of the material discharge impeller (51), and the output shaft (8) rotates to drive the connected worm (55) to rotate, so that the worm (55) in motion drives the meshing worm wheel (54) to rotate, and the material falling into the push barrel (52) is squeezed by the material discharge impeller (53) and discharged into the sliding channel (56) through the rotation of the worm wheel (54) to discharge the air in the material, and the material in the sliding channel (56) contacts the two extrusion tooth rollers (58) through sliding, and the material in the sliding channel (56) is squeezed into sheets by the two extrusion tooth rollers (58) meshing with meshing teeth and discharged into the material discharge barrel (57) so that the sheet material can be granulated and fall from the material discharge barrel (57) into the granulation tank (510); S6: When the material falls into the granulation tank (510), the connecting shaft (59) connected to the output shaft (8) drives the flip rod (512) to rotate, so that the splitter (514) connected to the flip rod (512) cuts the material pressed into sheets into small pieces and breaks them up. The small pieces of material are then pressed against the side of the granulation cone (511) by the scraper (513) connected to the flip rod (512), and the broken small pieces of material are squeezed through the small holes on the granulation cone (511) to form granules. The flip rod (512) drives the scraper (513) to continuously pressurize the broken material.