A device for uniformly grinding and refining metal materials

Abstract

The present invention relates to a grinding and refining device, and in particular to a uniform grinding and refining device for metal materials. It is necessary to design a uniform grinding and refining device for metal materials that can grind and refine metal materials after crushing them, thereby improving the grinding and refining efficiency. A uniform grinding and refining device for metal materials includes a grinding cylinder, a feed pipe, a support frame, etc. The lower outer portion of the grinding cylinder is fixedly connected to the support frame along the circumferential direction, and the middle of the top of the grinding cylinder is connected with a feed pipe. The present invention first starts the servo motor to drive the drive shaft to rotate forward, so that the crushing wheel rotates and the grinding roller rotates forward, and then the metal material is poured into the feed hopper and crushed by the crushing wheel. The crushed metal material falls onto the grinding plate through the feed pipe, and the grinding roller rotates forward to grind the crushed metal material through the grinding plate. In this way, the metal material can be crushed first and then ground and refined, thereby improving the grinding and refining efficiency.

Description

Technical Field

[0001] The invention relates to a grinding and refining device, in particular to a metal material uniform grinding and refining device. Background Art

[0002] In order to ensure the melting effect of the metal material, it is usually necessary to grind the metal material to reduce the volume of the metal coating, so a grinding and refining device is needed to process the metal material.

[0003] A Chinese patent with announcement number CN110253420B discloses a metal powder grinding processing device, including a grinding box, a grinding roller, a lifting and displacement frame, a metal bracket, a driving mechanism, a mounting plate, a side support plate, a discharge door, a collection box and a fan. The right side of the grinding box is hollowed out, and the left side of the grinding box is provided with a material-blocking exhaust hole; the grinding box is fixed on the mounting plate, and the mounting plate is fixed to the middle of the collection box through two left and right side support plates. Although the above patent can grind and refine metal materials, it only grinds the metal materials directly through the grinding roller. Since the metal materials are large, direct grinding takes a lot of time, resulting in low grinding efficiency.

[0004] The present invention aims to solve the problems existing in the above patents. To this end, a metal material uniform grinding and refining device is proposed, which can grind and refine metal materials after crushing them and improve the grinding and refining efficiency. Summary of the invention

[0005] In order to overcome the disadvantage that the above patent can grind metal materials but only grinds the metal materials directly through grinding rollers, and since the metal materials are large, direct grinding takes a lot of time, resulting in low grinding efficiency, the present invention provides a metal material uniform grinding and refining device that can grind metal materials after crushing them to improve the grinding and refining efficiency.

[0006] The present invention is achieved through the following technical approaches:

[0007] A device for uniformly grinding and refining metal materials comprises a grinding cylinder, a feed pipe, a support frame, a grinding plate and a feed hopper. The support frame is fixedly connected to the lower outer portion of the grinding cylinder along the circumferential direction. The middle of the top of the grinding cylinder is connected to the feed pipe, and the top of the feed pipe is connected to the feed hopper. The grinding plate is fixedly connected to the lower inner portion of the grinding cylinder along the circumferential direction. The device also comprises a rolling mechanism and a crushing mechanism. The grinding cylinder is provided with a rolling mechanism for grinding and refining metal materials, and a crushing mechanism for crushing metal materials is provided between the rolling mechanism and the feed hopper.

[0008] Further description, it also includes an anti-skid rubber plate, and the anti-skid rubber plate is symmetrically fixed to the bottom of the support frame.

[0009] Further explanation, the rolling mechanism includes a servo motor, a drive shaft, a rotating disk and a grinding roller. The upper inner side of the grinding cylinder is rotatably connected to the drive shaft, and the bottom end of the drive shaft rotatably passes through the middle of the bottom of the grinding cylinder. A rotating disk is fixedly mounted on the upper part of the drive shaft, and the rotating disk is located above the grinding plate. A grinding roller for grinding metal materials is rotatably connected to the rotating disk front and back. A servo motor is fixedly connected to the middle of the outer bottom of the grinding cylinder, and the output shaft end of the servo motor is fixedly connected to the bottom end of the drive shaft.

[0010] To further explain, the crushing mechanism includes a worm, a worm wheel, a rotating shaft and a crushing wheel. The crushing wheels for crushing metal materials are symmetrically rotatably connected between the lower parts of the front and rear sides of the feed hopper. The rotating shaft is symmetrically rotatably connected to the lower part of the front side of the feed hopper. The rear ends of the left and right rotating shafts are respectively driven to the front sides of the left and right crushing wheels through synchronous belt assemblies. Worm wheels are fixedly mounted on the front sides of the left and right rotating shafts. A worm is rotatably connected to the front side of the top of the grinding cylinder. The bottom end of the worm is driven to the upper part of the drive shaft through a synchronous belt assembly, and the worm is meshed with the worm wheels on the left and right sides.

[0011] Further description, also includes a screening mechanism for screening the crushed metal materials, the screening mechanism includes a screening plate, a positioning frame, a connecting frame, a straight hole rod, a column positioning seat and a rotating rod. A positioning frame is fixedly connected to the inner side of the feed pipe, the positioning frame is inclined, and a screening plate for screening the crushed metal materials is slidably connected to the inner side of the positioning frame. A connecting frame is symmetrically fixed to the front side of the bottom of the screening plate. The left and right connecting frames are respectively slidably connected to the left and right sides of the feed pipe. The outer ends of the left and right connecting frames are fixed to the straight hole rods. The front sides of the upper left and right sides of the feed pipe are rotatably connected with column positioning seats for driving the straight hole rods to move forward and backward. The outer ends of the left and right column positioning seats are respectively slidably connected to the left and right straight hole rods. The upper front part of the feed pipe is symmetrically rotatably connected with a rotating rod. The rear ends of the left and right rotating rods are respectively connected to the inner ends of the left and right column positioning seats through bevel gears. The front ends of the left and right rotating rods are respectively connected to the front ends of the left and right rotating shafts through synchronous belt assemblies. A discharge port is opened in the middle of the rear side of the feed pipe.

[0012] Further description, it also includes a cleaning brush mechanism for removing metal materials attached to the grinding plate, the cleaning brush mechanism includes a limit frame, a gear ring, a driven gear, a transmission rod, a cleaning brush plate and a slotted positioning tube. The limit frame is fixedly connected to the middle of the left part of the rotating disk, and the inner side of the limit frame is slidably connected with a cleaning brush plate for removing metal materials attached to the grinding plate. The cleaning brush plate contacts the grinding plate, and the upper part of the cleaning brush plate is symmetrically fixed with a slotted positioning tube. A transmission rod for driving the slotted positioning tube to move is rotatably connected between the upper left and right sides of the limit frame, and the transmission rod is respectively in contact with the slotted positioning tubes on the left and right sides. A driven gear is fixedly mounted on the left end of the transmission rod, and a gear ring for driving the driven gear to rotate is fixedly connected to the lower inner side of the grinding cylinder, and the gear ring is meshed with the driven gear.

[0013] Further description, it also includes a dust-proof mechanism for blocking dust generated during the crushing process, the dust-proof mechanism includes a baffle plate and a mounting frame, the mounting frames are fixedly connected to the upper left and right side surfaces of the feed hopper, and the left and right side mounting frames are fixedly connected with baffle plates for blocking a large amount of dust, and the baffle plates are set at an angle.

[0014] Further description, it also includes a return mechanism for conveying large pieces of metal materials to the feed hopper for re-crushing. The return mechanism includes a return pipe and a spiral plate. A return pipe is connected between the rear side of the feed hopper and the rear side of the feed pipe. The return pipe passes through the discharge port. A spiral plate is rotatably connected between the top and bottom of the return pipe for driving the large pieces of metal materials to move upward. The bottom end of the spiral plate and the upper part of the drive shaft are driven by a synchronous belt assembly.

[0015] The present invention has significant improvements in that:

[0016] 1. First start the servo motor to drive the drive shaft to rotate forward, so that the crushing wheel and the grinding roller rotate forward, and then pour the metal material into the feed hopper to be crushed by the crushing wheel. The crushed metal material falls onto the grinding plate through the feed pipe. The grinding roller rotates forward and grinds the crushed metal material through the grinding plate. In this way, the metal material can be crushed first and then ground, which improves the efficiency of grinding.

[0017] 2. Under the action of the screening mechanism, whenever the metal material is broken and falls onto the screening mechanism, the screening mechanism can screen out the large pieces of metal material, preventing the large pieces of metal material from falling down and requiring a long time of grinding and refinement, thereby ensuring the grinding efficiency of the metal material.

[0018] 3. Under the action of the cleaning brush mechanism, whenever the servo motor is started, the cleaning brush mechanism can operate to remove the metal materials attached to the grinding plate, which can prevent a large amount of metal materials from being attached to the grinding plate and making it difficult to collect, thereby ensuring that the ground and refined metal materials can be completely collected. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a schematic diagram of the three-dimensional structure of the present invention.

[0020] Figure 2 It is a schematic diagram of a first partial cross-sectional structure of the present invention.

[0021] Figure 3 It is a partial cross-sectional structural schematic diagram of the rolling mechanism of the present invention.

[0022] Figure 4 It is a partial cross-sectional structural schematic diagram of the crushing mechanism of the present invention.

[0023] Figure 5 It is a schematic diagram of a second partial cross-sectional structure of the present invention.

[0024] Figure 6 It is a schematic diagram of a first partial cross-sectional structure of the screening mechanism of the present invention.

[0025] Figure 7 It is a schematic diagram of a second partial cross-sectional structure of the screening mechanism of the present invention.

[0026] Figure 8 It is a schematic diagram of a first partial cross-sectional structure of the cleaning mechanism of the present invention.

[0027] Fig. 9 It is a schematic diagram of a second partial cross-sectional structure of the cleaning mechanism of the present invention.

[0028] Fig.10 It is a schematic diagram of a third partial cross-sectional structure of the cleaning mechanism of the present invention.

[0029] Fig.11 It is a schematic diagram of a third partial cross-sectional structure of the present invention.

[0030] Fig.12 It is a partial cross-sectional structural schematic diagram of the dustproof mechanism of the present invention.

[0031] Fig.13 It is a partial cross-sectional structural schematic diagram of the material return mechanism of the present invention.

[0032] The meanings of the reference numerals in the figure are as follows: 1. grinding cylinder, 2. feed pipe, 3. support frame, 31. anti-slip rubber sheet, 4. grinding plate, 5. feed hopper, 6. rolling mechanism, 61. servo motor, 62. drive shaft, 63. rotating disk, 64. grinding roller, 7. crushing mechanism, 71. worm, 72. worm gear, 73. rotating shaft, 74. crushing wheel, 8. screening mechanism, 81. screening plate, 82. positioning frame, 83. connecting frame, 84. slotted hole rod, 85. positioning seat with column, 86. rotating rod, 87. discharge port, 9. cleaning mechanism, 91. limit frame, 92. gear ring, 93. driven gear, 94. transmission rod, 95. cleaning plate, 96. slotted positioning tube, 10. dustproof mechanism, 101. shielding plate, 102. mounting frame, 11. return mechanism, 111. return pipe, 112. spiral plate. DETAILED DESCRIPTION

[0033] First of all, it should be pointed out that in the different described embodiments, the same parts are provided with the same reference numerals or the same component names, wherein the disclosure contained in the entire description can be transferred to the same parts with the same reference numerals or the same component names. Selected positional descriptions in the description, such as top, bottom, lateral, etc., also refer to the directly described and shown figures and are transferred to the new positions in the case of a change in position.

[0034] Example 1

[0035] A device for uniformly grinding and refining metal materials, comprising a grinding cylinder 1, a feed pipe 2, a support frame 3, an anti-slip rubber plate 31, a grinding plate 4, a feed hopper 5, a roller pressing mechanism 6 and a crushing mechanism 7, see Figure 1-Figure 4 As shown, a support frame 3 is installed on the lower outer part of the grinding cylinder 1 along the circumferential direction by welding, and an anti-skid rubber plate 31 is fixedly connected to the bottom of the support frame 3 symmetrically in front and back. A feed pipe 2 is connected to the middle of the top of the grinding cylinder 1, and a feed hopper 5 is connected to the top of the feed pipe 2. A grinding plate 4 is installed on the lower inner part of the grinding cylinder 1 along the circumferential direction by bolts. A rolling mechanism 6 is arranged on the grinding cylinder 1. When the rolling mechanism 6 is in operation, the rolling mechanism 6 can grind and refine the metal material. A crushing mechanism 7 is arranged between the rolling mechanism 6 and the feed hopper 5. When the crushing mechanism 7 is in operation, the crushing mechanism 7 can crush the metal material.

[0036] The rolling mechanism 6 includes a servo motor 61, a drive shaft 62, a rotating disk 63 and a grinding roller 64, see Figure 2 and Figure 3As shown, a driving shaft 62 is rotatably connected to the upper inner side of the grinding cylinder 1, and the bottom end of the driving shaft 62 rotatably passes through the middle of the bottom of the grinding cylinder 1. A rotating disk 63 is fixedly mounted on the upper part of the driving shaft 62, and the rotating disk 63 is located above the grinding plate 4. A grinding roller 64 is rotatably connected to the rotating disk 63 front and back. When the grinding roller 64 rotates, the grinding roller 64 can grind the metal material into fine powder. A servo motor 61 is fixedly connected to the middle of the outer bottom of the grinding cylinder 1, and the output shaft end of the servo motor 61 is fixedly connected to the bottom end of the driving shaft 62.

[0037] The crushing mechanism 7 includes a worm 71, a worm wheel 72, a rotating shaft 73 and a crushing wheel 74, see Figure 2 and Figure 4 As shown, a crushing wheel 74 is rotatably connected between the lower parts of the front and rear sides of the feed hopper 5. When the crushing wheel 74 rotates, the crushing wheel 74 can crush the metal material. A rotating shaft 73 is rotatably connected to the lower part of the front side of the feed hopper 5. The rear ends of the rotating shafts 73 on the left and right sides are respectively driven to the front sides of the crushing wheels 74 on the left and right sides through a synchronous belt assembly. The front sides of the rotating shafts 73 on the left and right sides are fixedly covered with worm gears 72. A worm 71 is rotatably connected to the front side of the top of the grinding cylinder 1. The bottom end of the worm 71 and the upper part of the drive shaft 62 are driven through a synchronous belt assembly, and the worm 71 is meshed with the worm gears 72 on the left and right sides.

[0038] First, place the collection container under the grinding cylinder 1, then start the servo motor 61 to drive the drive shaft 62 to rotate forward, the drive shaft 62 rotates forward to drive the rotating disk 63 to rotate forward, the rotating disk 63 rotates forward to drive the grinding roller 64 to rotate forward, and at the same time, the drive shaft 62 rotates forward to drive the worm 71 to rotate forward through the synchronous belt assembly, the worm 71 rotates forward to drive the worm wheels 72 on the left and right sides to rotate, the rotation of the worm wheels 72 on the left and right sides drives the crushing wheels 74 on the left and right sides to rotate, and then pour an appropriate amount of metal material into the feed hopper 5, the metal material and the crushing wheels 74 on the left and right sides rotate, the crushing wheels 74 on the left and right sides rotate to crush the metal material, and the crushed metal material falls into the rotating disk 63 through the feed pipe 2 , the metal material in the rotating disk 63 falls onto the grinding plate 4, the grinding roller 64 rotates through the grinding plate 4 to grind the crushed metal material into fine powder, the ground metal material falls from the grinding plate 4 to the bottom of the grinding cylinder 1, and the ground metal material in the grinding cylinder 1 falls into the collection container. Due to the effect of the anti-slip rubber plate 31, the device can be placed more stably. When the metal material is ground and refined, the servo motor 61 is turned off, the drive shaft 62 stops driving the grinding roller 64 to rotate forward through the rotating disk 63, and the crushing wheels 74 on the left and right sides also stop rotating, and then the collection container is picked up to carry out subsequent processing of the ground metal material. In this way, the metal material can be crushed first and then ground and refined, thereby improving the grinding and refinement efficiency.

[0039] Example 2

[0040] On the basis of embodiment 1, a screening mechanism 8 is also included. The screening mechanism 8 includes a screening plate 81, a positioning frame 82, a connecting frame 83, a straight hole rod 84, a positioning seat with a column 85 and a rotating rod 86. Figure 5-Figure 7 As shown, a positioning frame 82 is installed on the inner side of the feed pipe 2 by welding. The positioning frame 82 is tilted. A screening plate 81 is slidably connected to the inner side of the positioning frame 82. When the screening plate 81 moves forward and backward, the screening plate 81 can screen the crushed metal materials. A connecting frame 83 is symmetrically fixed to the front side of the bottom of the screening plate 81. The connecting frames 83 on the left and right sides are respectively slidably connected to the left and right sides of the feed pipe 2. The outer ends of the connecting frames 83 on the left and right sides are fixedly connected to a slotted hole rod 84. The upper front sides of the left and right sides of the feed pipe 2 are rotatably connected with a belt column The positioning seat 85, the outer ends of the left and right column positioning seats 85 are respectively slidably connected with the left and right slotted hole rods 84. When the column positioning seat 85 rotates, the column positioning seat 85 can drive the slotted hole rod 84 to move forward and backward. A rotating rod 86 is symmetrically rotated on the upper front side of the feed pipe 2. The rear ends of the left and right rotating rods 86 are respectively connected to the inner ends of the left and right column positioning seats 85 through bevel gears. The front ends of the left and right rotating rods 86 are respectively connected to the front ends of the left and right rotating shafts 73 through synchronous belt assemblies. A discharge port 87 is opened in the middle of the rear side of the feed pipe 2.

[0041] The cleaning brush mechanism 9 includes a limit frame 91, a gear ring 92, a driven gear 93, a transmission rod 94, a cleaning brush plate 95 and a slotted positioning tube 96. Figure 5 , Figure 8 , Fig. 9 and Fig.10 As shown, the left middle of the rotating disk 63 is fixedly connected with a limit frame 91, and a cleaning brush plate 95 is slidably connected to the inner side of the limit frame 91. The cleaning brush plate 95 contacts the grinding plate 4. When the cleaning brush plate 95 moves, the cleaning brush plate 95 can remove the metal materials attached to the grinding plate 4. The upper part of the cleaning brush plate 95 is symmetrically fixed with a slotted positioning tube 96, and the upper part of the left and right sides of the limit frame 91 is rotatably connected with a transmission rod 94, and the transmission rod 94 is respectively connected to the slotted positioning tubes on the left and right sides. The positioning tube 96 is in contact with the transmission rod 94, and a protrusion is provided on the transmission rod 94. The protrusion on the transmission rod 94 cooperates with the cam groove on the inner side of the slotted positioning tube 96. When the transmission rod 94 rotates, the transmission rod 94 can drive the slotted positioning tube 96 to move. A driven gear 93 is fixedly sleeved on the left end of the transmission rod 94, and a gear ring 92 is fixedly connected to the lower inner side of the grinding cylinder 1. The gear ring 92 is meshed with the driven gear 93. When the driven gear 93 rotates, the gear ring 92 can drive the driven gear 93 to rotate.

[0042] When the servo motor 61 is started, the left and right rotating shafts 73 rotate through the synchronous belt assembly to drive the left and right rotating rods 86 to rotate, the left and right rotating rods 86 rotate through the bevel gear transmission to drive the left and right belt column positioning seats 85 to rotate, the left and right belt column positioning seats 85 rotate to drive the left and right slotted hole rods 84 to move forward and backward, the left and right slotted hole rods 84 move forward and backward to drive the left and right connecting frames 83 to move forward and backward, the left and right connecting frames 83 move forward and backward to drive the screening plate 81 to move forward and backward, and then the crushing wheel 74 crushes the metal material. The broken metal materials fall onto the screening plate 81, and the screening plate 81 moves forward and backward to screen the metal materials. Small pieces of metal materials pass through the screening plate 81 and fall downward to be ground and refined, while large pieces of metal materials are left on the screening plate 81. Since the screening plate 81 is tilted, large pieces of metal materials fall from the screening plate 81 to the outside of the feed pipe 2 through the discharge port 87. When the servo motor 61 is turned off, the left and right rotating shafts 73 stop rotating through the synchronous belt assembly to drive the left and right rotating rods 86 to rotate, and the screening plate 81 also stops moving forward and backward. In this way, large pieces of metal materials can be prevented from falling downward, which requires a long time of grinding and refinement, thereby ensuring the grinding efficiency of the metal materials.

[0043] When the rotating disk 63 rotates forward, the rotating disk 63 also drives the limit frame 91 to rotate forward, the limit frame 91 rotates forward and drives the transmission rod 94 to rotate forward, the transmission rod 94 rotates forward and drives the driven gear 93 and the cleaning brush plate 95 to rotate forward, the cleaning brush plate 95 rotates forward to remove the metal materials attached to the grinding plate 4, and at the same time, the driven gear 93 rotates forward through the ring gear 92, the driven gear 93 rotates and drives the transmission rod 94 to rotate, the transmission rod 94 rotates and drives the slotted positioning tube 96 to move back and forth, the slotted positioning tube 96 reciprocates and drives the cleaning brush plate 95 to move back and forth, the cleaning brush plate 95 reciprocates to more comprehensively remove the metal materials attached to the grinding plate 4. When the rotating disk 63 stops rotating forward, the rotating disk 63 stops driving the limit frame 91 to rotate forward, the transmission rod 94 also stops driving the driven gear 93 and the cleaning brush plate 95 to rotate forward, the driven gear 93 stops rotating through the ring gear 92, and the cleaning brush plate 95 also stops reciprocating. In this way, it can be prevented that a large amount of metal materials adhere to the grinding plate 4 and become difficult to collect, thereby ensuring that the ground and refined metal materials can be completely collected.

[0044] Example 3

[0045] On the basis of the embodiment 1 and the embodiment 2, a dustproof mechanism 10 is also included. The dustproof mechanism 10 includes a shielding plate 101 and a mounting frame 102. Fig.11 and Fig.12 As shown, mounting frames 102 are installed on the upper left and right side surfaces of the feed hopper 5 by welding, and shielding plates 101 are fixedly connected to the mounting frames 102 on the left and right sides. The shielding plates 101 are inclined and can block a large amount of dust.

[0046] The device also includes a material return mechanism 11, which includes a material return pipe 111 and a spiral plate 112. Fig.11 and Fig.13 As shown, a return pipe 111 is connected between the rear side of the feed hopper 5 and the rear side of the feed pipe 2. The return pipe 111 passes through the discharge port 87. A spiral plate 112 is rotatably connected between the top and the bottom of the return pipe 111. When the spiral plate 112 rotates forward, the spiral plate 112 can drive the large piece of metal material to move upward. The bottom end of the spiral plate 112 and the upper part of the drive shaft 62 are driven by a synchronous belt assembly.

[0047] When a proper amount of metal material is poured into the feed hopper 5, the metal material falls onto the shielding plate 101, and the shielding plate 101 guides the metal material between the left and right crushing wheels 74. When dust is generated during the crushing process of the metal material, the shielding plate 101 blocks a proper amount of dust. In this way, a large amount of dust can be prevented from floating out of the feed hopper 5 to affect the surrounding environment, thereby ensuring that the surrounding environment is clean and tidy.

[0048] When the servo motor 61 is started, the drive shaft 62 rotates forward through the synchronous belt assembly to drive the spiral plate 112 to rotate forward, and then when the screening plate 81 screens out the large pieces of metal materials, the large pieces of metal materials fall into the return pipe 111, and the large pieces of metal materials contact the spiral plate 112. The spiral plate 112 rotates forward to drive the large pieces of metal materials to move upward. When the large pieces of metal materials move upward to the maximum stroke, the large pieces of metal materials fall into the feed hopper 5 and contact the crushing wheel 74 to be crushed. This is repeated, and the large pieces of metal materials can be continuously recycled and crushed again. When the servo motor 61 is turned off, the drive shaft 62 stops driving the spiral plate 112 to rotate forward through the synchronous belt assembly. In this way, there is no need for people to collect and crush the discharged large pieces of metal materials again, thereby improving the efficiency of recycling large pieces of metal materials.

[0049] Finally, it is necessary to point out that the above content is only used to help understand the technical solution of the present invention and cannot be understood as limiting the scope of protection of the present invention; non-essential improvements and adjustments made by technical personnel in the field of technology based on the above content of the present invention are all within the scope of protection required by the present invention.

Claims

1. A device for uniformly grinding and refining metal materials, comprising a grinding cylinder (1), a feed pipe (2), a support frame (3), a grinding plate (4) and a feed hopper (5), wherein the support frame (3) is fixedly connected to the lower outer portion of the grinding cylinder (1) along the circumferential direction, the middle of the top of the grinding cylinder (1) is connected to the feed pipe (2), the top of the feed pipe (2) is connected to the feed hopper (5), and the grinding plate (4) is fixedly connected to the lower inner portion of the grinding cylinder (1) along the circumferential direction, wherein: The invention also comprises a roller pressing mechanism (6) and a crushing mechanism (7). The grinding cylinder (1) is provided with a roller pressing mechanism (6) for grinding and refining the metal material. A crushing mechanism (7) for crushing the metal material is provided between the roller pressing mechanism (6) and the feed hopper (5). The roller pressing mechanism (6) comprises a servo motor (61), a drive shaft (62), a rotating disk (63) and a grinding roller (64). The upper inner part of the grinding cylinder (1) is rotatably connected to the drive shaft (62). The bottom end of the drive shaft (62) is rotatably connected to the grinding cylinder (1). The grinding cylinder (1) is provided with a rotating disk (63) fixedly mounted on the upper part of the driving shaft (62). The rotating disk (63) is located above the grinding plate (4). A grinding roller (64) for grinding and refining metal materials is connected to the rotating disk (63) in a symmetrically rotating manner. A servo motor (61) is fixedly connected to the middle of the outer bottom of the grinding cylinder (1). The output shaft end of the servo motor (61) is fixedly connected to the bottom end of the driving shaft (62). The rotating disk (63) is provided with a rotating roller (64) for grinding and refining metal materials. The brushing mechanism (9) for removing the metal material, the brushing mechanism (9) comprising a limit frame (91), a gear ring (92), a driven gear (93), a transmission rod (94), a brushing plate (95) and a slotted positioning tube (96), the limit frame (91) is fixedly connected to the middle of the left part of the rotating disk (63), the brushing plate (95) for removing the metal material attached to the grinding plate (4) is slidably connected to the inner side of the limit frame (91), the brushing plate (95) is in contact with the grinding plate (4), and the upper part of the brushing plate (95) is A slotted positioning tube (96) is fixedly connected symmetrically on the left and right sides. A transmission rod (94) for driving the slotted positioning tube (96) to move is rotatably connected between the upper parts of the left and right sides of the limit frame (91). The transmission rod (94) is respectively in contact with the slotted positioning tubes (96) on the left and right sides. A driven gear (93) is fixedly sleeved on the left end of the transmission rod (94). A gear ring (92) for driving the driven gear (93) to rotate is fixedly connected to the lower part of the inner side of the grinding cylinder (1). The gear ring (92) is meshed with the driven gear (93).

2. A device for uniformly grinding and refining metal materials according to claim 1, characterized in that: It also includes an anti-skid rubber plate (31), and the anti-skid rubber plate (31) is symmetrically fixed to the bottom of the support frame (3) in the front and rear directions.

3. A device for uniformly grinding and refining metal materials according to claim 2, characterized in that: The crushing mechanism (7) comprises a worm (71), a worm wheel (72), a rotating shaft (73) and a crushing wheel (74); a crushing wheel (74) for crushing metal materials is rotatably connected between the lower parts of the front and rear sides of the feed hopper (5); a rotating shaft (73) is rotatably connected to the lower part of the front side of the feed hopper (5); the rear ends of the rotating shafts (73) on the left and right sides are respectively connected to the front sides of the crushing wheels (74) on the left and right sides through a synchronous belt assembly; the front sides of the rotating shafts (73) on the left and right sides are fixedly sleeved with worm wheels (72); a worm (71) is rotatably connected to the front side of the top of the grinding cylinder (1); the bottom end of the worm (71) and the upper part of the driving shaft (62) are driven through a synchronous belt assembly; the worm (71) is meshed with the worm wheels (72) on the left and right sides.

4. A device for uniformly grinding and refining metal materials according to claim 3, characterized in that: The invention also comprises a screening mechanism (8) for screening the crushed metal materials, the screening mechanism (8) comprising a screening plate (81), a positioning frame (82), a connecting frame (83), a straight hole rod (84), a column-shaped positioning seat (85) and a rotating rod (86), a positioning frame (82) is fixedly connected to the inner side of the feed pipe (2), the positioning frame (82) is inclined, and a screening plate (81) for screening the crushed metal materials is slidably connected to the inner side of the positioning frame (82), a connecting frame (83) is symmetrically fixedly connected to the front side of the bottom of the screening plate (81), and the connecting frames (83) on the left and right sides are respectively slidably connected to the left and right sides of the feed pipe (2), and the connecting frames (83) on the left and right sides are respectively slidably connected to the left and right sides of the feed pipe (2), and the connecting frames (83) on the left and right sides are The outer ends are fixedly connected with a slotted hole rod (84), and the upper front sides of the left and right sides of the feed pipe (2) are rotatably connected with a column positioning seat (85) for driving the slotted hole rod (84) to move forward and backward. The outer ends of the column positioning seats (85) on the left and right sides are respectively slidably connected with the slotted hole rods (84) on the left and right sides. A rotating rod (86) is symmetrically rotatably connected with the upper front side of the feed pipe (2). The rear ends of the rotating rods (86) on the left and right sides are respectively connected to the inner ends of the column positioning seats (85) on the left and right sides through bevel gear transmission, and the front ends of the rotating rods (86) on the left and right sides are respectively connected to the front ends of the rotating shafts (73) on the left and right sides through synchronous belt assemblies. A discharge port (87) is opened in the middle of the rear side of the feed pipe (2).

5. A device for uniformly grinding and refining metal materials according to claim 4, characterized in that: The invention also comprises a dustproof mechanism (10) for blocking dust generated during the crushing process, the dustproof mechanism (10) comprising a shielding plate (101) and a mounting frame (102), the mounting frames (102) being fixedly connected to the upper parts of the left and right side surfaces in the feed hopper (5), the shielding plates (101) for blocking a large amount of dust being fixedly connected to the left and right side mounting frames (102), and the shielding plates (101) being arranged in an inclined manner.

6. A device for uniformly grinding and refining metal materials according to claim 5, characterized in that: The invention also comprises a return mechanism (11) for conveying large pieces of metal material into a feed hopper (5) for re-crushing. The return mechanism (11) comprises a return pipe (111) and a spiral plate (112). The rear side of the feed hopper (5) and the rear side of the feed pipe (2) are connected by a return pipe (111). The return pipe (111) passes through a discharge port (87). A spiral plate (112) for driving the large pieces of metal material to move upward is rotatably connected between the top and bottom of the return pipe (111). The bottom end of the spiral plate (112) and the upper part of the drive shaft (62) are driven by a synchronous belt assembly.

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