A step-by-step conveying and grinding device for granular polysilicon

Abstract

The present invention provides a granular polysilicon step-by-step conveying and grinding device, which relates to the technical field of granular polysilicon grinding. The granular polysilicon step-by-step conveying and grinding device comprises two fixed mounting frames, which are symmetrically arranged, and the tops of the two fixed mounting frames are jointly provided with a step-by-step conveying assembly, and a grinding fixed cylinder is fixedly connected between the opposite sides of the two fixed mounting frames. In the present invention, the first rotating rod body rotates with the fourth connecting plate body, so that a plurality of vertical lifting steel needles rotate to the bottom of another group of grinding leak holes, and then the third driving cylinder is started, and the third driving cylinder rises with the fan-shaped rotating mounting seat, and the fan-shaped rotating mounting seat rises with the plurality of vertical lifting steel needles and inserts them into the inside of the grinding leak holes. When the fixed grinding head rises the filler each time, the plurality of vertical lifting steel needles will clear one group of grinding leak holes, thereby avoiding the situation where a large amount of material is blocked, and facilitating the discharge of the material.

Description

Technical Field

[0001] The invention relates to the technical field of granular polysilicon grinding, in particular to a granular polysilicon step-by-step conveying and grinding device. Background Art

[0002] Polycrystalline silicon is a form of elemental silicon. When molten elemental silicon solidifies under supercooling conditions, silicon atoms are arranged into many crystal nuclei in the form of diamond lattices. If these crystal nuclei grow into grains with different crystal plane orientations, these grains will combine and crystallize into polycrystalline silicon.

[0003] During the production process of granular polysilicon, grinding equipment is needed to grind the granular polysilicon. Many traditional grinding equipment are bottom-closed equipment. After grinding, the ground material needs to be taken out. Such repeated operations increase the labor intensity. Some grinding equipment are also equipped with leakage holes at the bottom, through which the ground material is discharged. However, in the actual grinding process, the granular polysilicon is prone to blockage of the leakage holes, making it difficult for the ground material to fall out. Summary of the invention

[0004] 1. Technical issues to be resolved

[0005] In view of the deficiencies in the prior art, the present invention provides a granular polysilicon step-by-step conveying and grinding device, which solves the problem that granular polysilicon easily causes blockage of leak holes during the grinding process, making it difficult for the ground material to fall off.

[0006] (II) Technical solution

[0007] To achieve the above objectives, the present invention is implemented through the following technical solutions: a granular polysilicon step-by-step conveying and grinding equipment, comprising two fixed mounting frames, the two fixed mounting frames are symmetrically arranged, a step-by-step conveying assembly is commonly arranged on the tops of the two fixed mounting frames, a grinding fixed cylinder is fixedly connected between the opposite sides of the two fixed mounting frames, a gantry fixed frame is commonly fixedly connected on the tops of the two fixed mounting frames, the top of the gantry fixed frame is connected to a second connecting plate body through a lifting assembly, the upper surface of the second connecting plate body is connected to a fixed grinding head through an adjusting assembly, the lower surface of the second connecting plate body is fixedly connected to a lifting and fixing rack, a horizontal connecting long rod is fixedly connected between the opposite sides of the two fixed mounting frames, The lower surface of the horizontally connected long rod is fixedly connected to a fixed vertical long plate, and one end of the fixed vertical long plate away from the horizontally connected long rod is fixedly connected to an L-shaped fixed plate, and the surface of the L-shaped fixed plate passes through and is rotatably connected to the first rotating rod body, and the outer surface of the first rotating rod body is provided with an ejection assembly, and the bottom end of the first rotating rod body is fixedly connected to a first bevel gear, and the side wall of the L-shaped fixed plate passes through and is rotatably connected to a third rotating rod body, and one end of the third rotating rod body is fixedly connected to a second bevel gear, and the first bevel gear is meshed with the second bevel gear, and the outer surface of the third rotating rod body is rotatably connected to a third rotating gear, a linkage assembly is provided between the lifting and fixing rack and the third rotating gear, and a one-way rotating assembly is provided between the third rotating gear and the third rotating rod body.

[0008] Preferably, the stepping conveying assembly includes two groups of mounting vertical upright plates fixedly connected to the tops of two fixed mounting frames, each group of the mounting vertical upright plates has two mounting vertical upright plates, a transmission roller is rotatably connected between the two mounting vertical upright plates, a mounting conveyor belt is transmission-connected between the two transmission rollers, a plurality of equidistantly arranged rubber fixed frames are fixedly connected to the surface of the mounting conveyor belt, a stepping drive motor is fixedly connected to the side wall of one of the mounting vertical upright plates, an output shaft of the stepping drive motor is fixedly connected to one of the transmission rollers, the stepping drive motor is started, the output shaft of the stepping drive motor rotates with one of the transmission rollers, so that the mounting conveyor belt rotates and moves forward a certain distance, the mounting conveyor belt moves with the rubber fixed frame, and the granular polysilicon in one of the rubber fixed frames is poured into the interior of the grinding fixed cylinder.

[0009] Preferably, the lifting assembly includes a first connecting plate body fixedly connected to the top of the gantry fixed frame body, two first driving cylinders are fixedly connected to the upper surface of the first connecting plate body, the piston ends of the two first driving cylinders are fixedly connected to the upper surface of the second connecting plate body, and when the two first driving cylinders are started, the piston ends of the two first driving cylinders lift the second connecting plate body, the second connecting plate body lifts the third connecting plate body, and the third connecting plate body lifts the fixed grinding head.

[0010] Preferably, the adjustment component includes a second driving cylinder fixedly connected to the upper surface of the second connecting plate body, the piston end of the second driving cylinder is fixedly connected to the third connecting plate body, the lower surface of the third connecting plate body is fixedly connected to a servo driving motor, the output shaft of the servo driving motor is fixedly connected to the mounting shaft, the end of the mounting shaft away from the servo driving motor is fixedly connected to the fixed grinding head, the servo driving motor is started, the output shaft of the servo driving motor rotates with the mounting shaft, the mounting shaft rotates with the fixed grinding head, so that the fixed grinding head grinds the granular polysilicon, and during the grinding process, the ground material is discharged through the grinding leak hole, and at the same time the second driving cylinder is started, the piston end of the second driving cylinder moves the third connecting plate body slightly downward to improve the grinding effect.

[0011] Preferably, both sides of the second connecting plate body are fixedly connected with horizontal fixed strips, and one end of the horizontal fixed strip away from the second connecting plate body is fixedly connected with a socket block, and the socket block is socketed on the outer surface of the gantry fixed frame to ensure stable lifting and lowering of the second connecting plate body.

[0012] Preferably, the ejection assembly includes a fourth connecting plate body fixedly connected to the outer surface of the first rotating rod body, the upper surface of the fourth connecting plate body is fixedly connected to a third driving cylinder, the piston end of the third driving cylinder is fixedly connected to a fan-shaped rotating mounting seat, the fan-shaped rotating mounting seat is slidably sleeved on the outer surface of the first rotating rod body, the upper surface of the fan-shaped rotating mounting seat is fixedly connected to a plurality of vertical lifting steel needles, and the third driving cylinder is started, the piston end of the third driving cylinder carries the fan-shaped rotating mounting seat up, the fan-shaped rotating mounting seat carries the plurality of vertical lifting steel needles up and inserts into the grinding leak hole to dredge the grinding leak hole.

[0013] Preferably, three groups of grinding leak holes are opened at the bottom of the grinding fixed cylinder, and a plurality of the vertical lifting steel needles are inserted into one group of grinding leak holes.

[0014] Preferably, the linkage assembly includes a second rotating rod body rotatably connected to the side wall of the L-shaped fixed plate, the outer surface of the second rotating rod body is fixedly connected to the first rotating gear and the second rotating gear, the lifting and fixing rack is meshed with the first rotating gear, and the second rotating gear is meshed with the third rotating gear.

[0015] Preferably, the one-way rotating assembly includes a fixed ratchet fixedly connected to an outer surface of the third rotating gear, an outer surface of the third rotating rod body is fixedly connected to a limited fixed short plate, a side wall of the limited fixed short plate is rotatably connected to a limited ratchet, and the limited ratchet is adapted to the fixed ratchet, and the side wall of the third rotating rod body is fixedly connected to a limited connecting convex rod and a connecting block, and the side wall of the connecting block is fixedly connected to a connecting mounting spring, and the other end of the connecting mounting spring is fixedly connected to the limited ratchet, and the two first driving cylinders are started, and the piston ends of the two first driving cylinders carry the second connecting plate body to rise, the second connecting plate body carries the third connecting plate body to rise, the third connecting plate body carries the fixed grinding head to rise, and the second connecting plate body carries the lifting and fixing rack to rise, so that the first rotating gear and the second rotating gear rotate, the second rotating gear rotates with the third rotating gear, and due to the setting of the limiting ratchet and the fixed ratchet, the third rotating gear carries the third rotating rod body to rotate, and finally the first rotating rod body carries the fourth connecting plate body to rotate.

[0016] (III) Beneficial effects

[0017] The present invention provides a granular polysilicon step-by-step conveying and grinding device, which has the following beneficial effects:

[0018] 1. The present invention starts the third driving cylinder, the piston end of the third driving cylinder brings the fan-shaped rotating mounting seat down, the fan-shaped rotating mounting seat brings a plurality of vertically lifted steel needles down to disengage from the grinding leak hole, and then starts the two first driving cylinders, the piston ends of the two first driving cylinders bring the second connecting plate body up, the second connecting plate body brings the third connecting plate body up, the third connecting plate body brings the fixed grinding head up, and the second connecting plate body brings the lifting and fixing rack up, so that the first rotating gear and the second rotating gear rotate, the second rotating gear brings the third rotating gear to rotate, and due to the limit ratchet With the setting of the fixed ratchet, the third rotating gear rotates the third rotating rod, and finally the first rotating rod rotates with the fourth connecting plate, so that the multiple vertical lifting steel needles rotate to the bottom of another group of grinding leakage holes, and then the third driving cylinder is started, and the piston end of the third driving cylinder rises with the fan-shaped rotating mounting seat, and the fan-shaped rotating mounting seat rises with the multiple vertical lifting steel needles and inserts into the grinding leakage holes. When the fixed grinding head rises the filler each time, the multiple vertical lifting steel needles will clear one group of grinding leakage holes, avoiding the situation of large-scale blockage of materials and facilitating the discharge of materials.

[0019] 2. The present invention starts the stepper drive motor, and the output shaft of the stepper drive motor rotates one of the transmission rollers, so that the installation conveyor belt rotates and moves forward a certain distance. The installation conveyor belt moves with the rubber fixed frame, so that the granular polysilicon in one of the rubber fixed frames is poured into the interior of the grinding fixed cylinder. The grinding effect of the granular polysilicon is ensured by multiple small amounts of fillers. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 A schematic diagram of the three-dimensional structure of a granular polysilicon step-by-step conveying and grinding device provided by the present invention;

[0021] Figure 2 A top view of a granular polysilicon step-by-step conveying and grinding device provided by the present invention;

[0022] Figure 3 A schematic diagram of the structure of a fixed grinding head of a granular polysilicon step-by-step conveying and grinding device provided by the present invention;

[0023] Figure 4 A schematic diagram of the structure of a vertical lifting steel needle of a granular polysilicon step-by-step conveying and grinding device provided by the present invention;

[0024] Figure 5 A schematic diagram of a grinding leak hole of a granular polysilicon step-by-step conveying grinding device provided by the present invention;

[0025] Figure 6 A schematic diagram of a fixed ratchet structure of a granular polysilicon step-by-step conveying and grinding device provided by the present invention;

[0026] Figure 7 A schematic diagram of the limit pawl structure of a granular polysilicon step-by-step conveying and grinding device provided by the present invention.

[0027] Among them, 1. Fixed installation frame; 2. Install vertical upright board; 3. Install conveyor belt; 4. Rubber fixed frame; 5. Stepper drive motor; 6. Grinding fixed cylinder; 7. Gantry fixed frame; 8. First connecting plate; 9. First drive cylinder; 10. Second connecting plate; 11. Second drive cylinder; 12. Third connecting plate; 13. Horizontal fixed strip; 14. Servo drive motor; 15. Fixed grinding head; 16. Lifting fixed rack; 17. Horizontal connecting long rod; 18. Fixed vertical long board; 19. L-shaped Fixed plate; 20, first rotating rod body; 21, fourth connecting plate body; 22, fan-shaped rotating mounting seat; 23, vertical lifting steel needle; 24, third driving cylinder; 25, first bevel gear; 26, second rotating rod body; 27, first rotating gear; 28, second rotating gear; 29, third rotating rod body; 30, second bevel gear; 31, third rotating gear; 32, fixed ratchet; 33, limit fixing short plate; 34, limit pawl; 35, connecting mounting spring; 36, limit connecting convex rod; 37, grinding leak hole. DETAILED DESCRIPTION

[0028] 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.

[0029] Example:

[0030] like Figure 1-Figure 7 As shown, an embodiment of the present invention provides a granular polysilicon step-by-step conveying and grinding device, comprising two fixed mounting frames 1, the two fixed mounting frames 1 are symmetrically arranged, a step-by-step conveying assembly is commonly arranged on the top of the two fixed mounting frames 1, the step-by-step conveying assembly comprises two groups of mounting vertical upright plates 2 fixedly connected to the tops of the two fixed mounting frames 1, the number of each group of mounting vertical upright plates 2 is two, a transmission roller is rotatably connected between the two mounting vertical upright plates 2, a mounting conveyor belt 3 is transmission-connected between the two transmission rollers, and a surface of the mounting conveyor belt 3 is fixedly connected with a plurality of There are equidistantly arranged rubber fixed frames 4, one of which is fixedly connected to a side wall of a vertical upright plate 2, and the output shaft of the stepper drive motor 5 is fixedly connected to one of the transmission rollers. The rubber fixed frame 4 is used to place granular polysilicon. When the stepper drive motor 5 is started, the output shaft of the stepper drive motor 5 rotates one of the transmission rollers, so that the installation conveyor belt 3 rotates and moves forward for a distance. The installation conveyor belt 3 moves forward with the rubber fixed frame 4, so that the granular polysilicon in one of the rubber fixed frames 4 is poured into the interior of the grinding fixed cylinder 6;

[0031] A grinding fixed cylinder 6 is fixedly connected between the opposite sides of the two fixed mounting frames 1, and a gantry fixed frame 7 is fixedly connected to the top of the two fixed mounting frames 1. The top of the gantry fixed frame 7 is connected to a second connecting plate 10 through a lifting assembly. The lifting assembly includes a first connecting plate 8 fixedly connected to the top of the gantry fixed frame 7, and two first driving cylinders 9 are fixedly connected to the upper surface of the first connecting plate 8. The piston ends of the two first driving cylinders 9 are fixedly connected to the upper surface of the second connecting plate 10. Both sides of the second connecting plate 10 are fixedly connected with a horizontal fixed strip 13, and one end of the horizontal fixed strip 13 away from the second connecting plate 10 is fixedly connected with a socket block, which is socketed on the outer surface of the gantry fixed frame 7. The two first driving cylinders 9 are started, and the piston ends of the two first driving cylinders 9 lift and lower the second connecting plate 10, and the second connecting plate 10 lifts and lowers the third connecting plate 12, and the third connecting plate 12 lifts and lowers the fixed grinding head 15;

[0032] The upper surface of the second connecting plate body 10 is connected to a fixed grinding head 15 through an adjusting component, and the upper half of the fixed grinding head 15 is set as an inclined surface to avoid the accumulation of materials. The adjusting component includes a second driving cylinder 11 fixedly connected to the upper surface of the second connecting plate body 10, and the piston end of the second driving cylinder 11 is fixedly connected to the third connecting plate body 12, and the lower surface of the third connecting plate body 12 is fixedly connected to a servo driving motor 14, and the output shaft of the servo driving motor 14 is fixedly connected to the installation shaft, and the end of the installation shaft away from the servo driving motor 14 is fixedly connected to the fixed grinding head 15, and the servo driving motor 14 is started, and the output shaft of the servo driving motor 14 rotates with the installation shaft, and the installation shaft rotates with the fixed grinding head 15, so that the fixed grinding head 15 grinds the granular polysilicon, and the second driving cylinder 11 is started, and the piston end of the second driving cylinder 11 slightly moves downward with the third connecting plate body 12 to improve the grinding effect;

[0033] The lower surface of the second connecting plate body 10 is fixedly connected to a lifting fixed rack 16, and a horizontal connecting long rod 17 is fixedly connected between the opposite sides of the two fixed mounting frames 1. The lower surface of the horizontal connecting long rod 17 is fixedly connected to a fixed vertical long plate 18, and the end of the fixed vertical long plate 18 away from the horizontal connecting long rod 17 is fixedly connected to an L-shaped fixing plate 19, and the surface of the L-shaped fixing plate 19 is rotatably connected to a first rotating rod body 20, and the outer surface of the first rotating rod body 20 is provided with an ejection assembly, which includes a fixed connection to the first rotating rod body 20. The fourth connecting plate body 21 on the outer surface of the rotating rod body 20, the upper surface of the fourth connecting plate body 21 is fixedly connected with the third driving cylinder 24, the piston end of the third driving cylinder 24 is fixedly connected with the fan-shaped rotating mounting seat 22, the fan-shaped rotating mounting seat 22 is slidably sleeved on the outer surface of the first rotating rod body 20, the upper surface of the fan-shaped rotating mounting seat 22 is fixedly connected with a plurality of vertical jacking steel needles 23, and the bottom of the grinding fixed cylinder 6 is provided with three groups of grinding leak holes 37, and the plurality of vertical jacking steel needles 23 are inserted into one group of grinding leak holes 37;

[0034] The bottom end of the first rotating rod body 20 is fixedly connected to the first bevel gear 25, the side wall of the L-shaped fixed plate 19 passes through and is rotatably connected to the third rotating rod body 29, one end of the third rotating rod body 29 is fixedly connected to the second bevel gear 30, the first bevel gear 25 is meshed with the second bevel gear 30, the outer surface of the third rotating rod body 29 is rotatably connected to the third rotating gear 31, a linkage assembly is provided between the lifting and fixing rack 16 and the third rotating gear 31, the linkage assembly includes a second rotating rod body 26 rotatably connected to the side wall of the L-shaped fixed plate 19, the outer surface of the second rotating rod body 26 is fixedly connected to the first rotating gear 27 and the second rotating gear 28, the lifting and fixing rack 16 is meshed with the first rotating gear 27, and the second rotating gear 28 is meshed with the third rotating gear 31;

[0035] A one-way rotating assembly is provided between the third rotating gear 31 and the third rotating rod body 29, the one-way rotating assembly includes a fixed ratchet 32 ​​fixedly connected to the outer surface of the third rotating gear 31, the outer surface of the third rotating rod body 29 is fixedly connected to a limited fixed short plate 33, the side wall of the limited fixed short plate 33 is rotatably connected to a limited pawl 34, the limited pawl 34 is adapted to the fixed ratchet 32, the side wall of the third rotating rod body 29 is fixedly connected to a limited connecting protruding rod 36 and a connecting block, the side wall of the connecting block is fixedly connected to a connecting mounting spring 35, the other end of the connecting mounting spring 35 is fixedly connected to the limited pawl 34, the third driving cylinder 24 is started, the piston end of the third driving cylinder 24 descends with the fan-shaped rotating mounting seat 22, the fan-shaped rotating mounting seat 22 descends with a plurality of vertical lifting steel needles 23 to disengage from the grinding leak hole 37, and then the two first driving cylinders 9 are started, the piston ends of the two first driving cylinders 9 carry As the second connecting plate body 10 rises, the second connecting plate body 10 brings the third connecting plate body 12 up, the third connecting plate body 12 brings the fixed grinding head 15 up, and the second connecting plate body 10 brings the lifting and fixing rack 16 up, so that the first rotating gear 27 and the second rotating gear 28 rotate, the second rotating gear 28 brings the third rotating gear 31 to rotate, and due to the setting of the limiting pawl 34 and the fixed ratchet 32, the third rotating gear 31 brings the third rotating rod body 29 to rotate, and finally the first rotating rod body 20 brings the fourth connecting plate body 21 to rotate, so that the multiple vertical lifting steel needles 23 rotate to the bottom of another group of grinding leakage holes 37, and then the third driving cylinder 24 is started, and the piston end of the third driving cylinder 24 brings the fan-shaped rotating mounting seat 22 up, and the fan-shaped rotating mounting seat 22 brings the multiple vertical lifting steel needles 23 to rise and insert into the inside of the grinding leakage hole 37 to dredge the other group of grinding leakage holes 37.

[0036] Working principle:

[0037] When in use, when adding granular polysilicon into the interior of the grinding fixed cylinder 6, the stepping drive motor 5 is started, and the output shaft of the stepping drive motor 5 rotates with one of the transmission rollers, so that the installation conveyor belt 3 rotates and moves forward for a distance, and the installation conveyor belt 3 moves with the rubber fixed frame 4, so that the granular polysilicon in one of the rubber fixed frames 4 is poured into the interior of the grinding fixed cylinder 6;

[0038] Then, the two first driving cylinders 9 are started, and the piston ends of the two first driving cylinders 9 bring the second connecting plate body 10 down, the second connecting plate body 10 brings the third connecting plate body 12 down, and the third connecting plate body 12 brings the fixed grinding head 15 down, and the servo driving motor 14 is started, and the output shaft of the servo driving motor 14 brings the installation shaft to rotate, and the installation shaft brings the fixed grinding head 15 to rotate, so that the fixed grinding head 15 grinds the granular polysilicon. During the grinding process, the ground material is discharged through the grinding leak hole 37, and at the same time, the second driving cylinder 11 is started, and the piston end of the second driving cylinder 11 brings the third connecting plate body 12 slightly downward to improve the grinding effect, and when the second connecting plate body 10 is descending, a plurality of vertical lifting steel needles 23 are inserted into one group of grinding leak holes 37, so that the third rotating gear 31 is idle and does not rotate with the third rotating rod body 29;

[0039] After one grinding process, the third driving cylinder 24 is started first, and the piston end of the third driving cylinder 24 brings the fan-shaped rotating mounting seat 22 down, and the fan-shaped rotating mounting seat 22 brings the multiple vertical jacking steel needles 23 down to disengage from the grinding leak hole 37, and then the two first driving cylinders 9 are started, and the piston ends of the two first driving cylinders 9 bring the second connecting plate body 10 up, the second connecting plate body 10 brings the third connecting plate body 12 up, the third connecting plate body 12 brings the fixed grinding head 15 up, and the second connecting plate body 10 brings the lifting and fixing rack 16 up, so that the first rotating gear 27 and the second rotating gear 28 rotate, and the second rotating gear 28 brings the third rotating gear 31 to rotate, and due to the setting of the limit ratchet pawl 34 and the fixed ratchet 32, the third rotating gear 31 brings The third rotating rod 29 rotates, and finally the first rotating rod 20 rotates with the fourth connecting plate 21, so that the multiple vertical lifting steel needles 23 rotate to the bottom of another group of grinding leak holes 37, and then the third driving cylinder 24 is started, and the piston end of the third driving cylinder 24 rises with the fan-shaped rotating mounting seat 22, and the fan-shaped rotating mounting seat 22 rises with the multiple vertical lifting steel needles 23 and inserts them into the inside of the grinding leak holes 37 to clear the other group of grinding leak holes 37, and then the stepping driving motor 5 is started again, and the output shaft of the stepping driving motor 5 rotates with one of the transmission rollers, so that the installation conveyor belt 3 rotates and moves forward for a distance, and the installation conveyor belt 3 is carried out with the rubber fixing frame 4, so that the granular polysilicon in one of the rubber fixing frames 4 is poured into the inside of the grinding fixing cylinder 6;

[0040] Repeat the above steps.

[0041] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, the elements defined by the statement "comprising a reference structure" do not exclude the existence of other identical elements in the process, method, article or device including the elements.

[0042] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A granular polysilicon step-by-step conveying and grinding device, comprising two fixed mounting frames (1), characterized in that: The two fixed mounting frames (1) are symmetrically arranged, a stepping conveying assembly is commonly arranged on the tops of the two fixed mounting frames (1), a grinding fixed cylinder (6) is fixedly connected between opposite sides of the two fixed mounting frames (1), a gantry fixed frame (7) is commonly fixedly connected on the tops of the two fixed mounting frames (1), a second connecting plate (10) is connected to the top of the gantry fixed frame (7) via a lifting assembly, a fixed grinding head (15) is connected to the upper surface of the second connecting plate (10) via an adjusting assembly, a lifting fixed rack (16) is fixedly connected to the lower surface of the second connecting plate (10), a horizontal connecting long rod (17) is fixedly connected between opposite sides of the two fixed mounting frames (1), a fixed vertical long plate (18) is fixedly connected to the lower surface of the horizontal connecting long rod (17), and the fixed vertical long plate (18) is kept away from water. One end of the flat connecting long rod (17) is fixedly connected to an L-shaped fixing plate (19), a surface of the L-shaped fixing plate (19) is penetrated and rotatably connected to a first rotating rod body (20), an outer surface of the first rotating rod body (20) is provided with an ejection assembly, a bottom end of the first rotating rod body (20) is fixedly connected to a first bevel gear (25), a side wall of the L-shaped fixing plate (19) is penetrated and rotatably connected to a third rotating rod body (29), one end of the third rotating rod body (29) is fixedly connected to a second bevel gear (30), the first bevel gear (25) is meshed with the second bevel gear (30), an outer surface of the third rotating rod body (29) is rotatably connected to a third rotating gear (31), a linkage assembly is provided between the lifting and fixing rack (16) and the third rotating gear (31), and a one-way rotating assembly is provided between the third rotating gear (31) and the third rotating rod body (29); The ejection assembly comprises a fourth connecting plate body (21) fixedly connected to the outer surface of the first rotating rod body (20), the upper surface of the fourth connecting plate body (21) is fixedly connected to a third driving cylinder (24), the piston end of the third driving cylinder (24) is fixedly connected to a fan-shaped rotating mounting seat (22), the fan-shaped rotating mounting seat (22) is slidably sleeved on the outer surface of the first rotating rod body (20), and the upper surface of the fan-shaped rotating mounting seat (22) is fixedly connected to a plurality of vertical ejection steel needles (23); Three groups of grinding leak holes (37) are provided at the bottom of the grinding fixed cylinder (6), and a plurality of the vertical lifting steel needles (23) are inserted into one group of the grinding leak holes (37).

2. The granular polysilicon step-by-step conveying and grinding device according to claim 1, characterized in that: The step conveying assembly comprises two groups of mounting vertical upright plates (2) fixedly connected to the tops of two fixed mounting frames (1), each group of the mounting vertical upright plates (2) having two members, a transmission roller being rotatably connected between the two mounting vertical upright plates (2), a mounting conveyor belt (3) being transmission-connected between the two transmission rollers, a plurality of equidistantly arranged rubber fixing frames (4) being fixedly connected to the surface of the mounting conveyor belt (3), a step drive motor (5) being fixedly connected to the side wall of one of the mounting vertical upright plates (2), and an output shaft of the step drive motor (5) being fixedly connected to one of the transmission rollers.

3. The granular polysilicon step-by-step conveying and grinding device according to claim 1, characterized in that: The lifting assembly comprises a first connecting plate body (8) fixedly connected to the top of the gantry fixed frame body (7), the upper surface of the first connecting plate body (8) being fixedly connected to two first driving cylinders (9), and the piston ends of the two first driving cylinders (9) being fixedly connected to the upper surface of the second connecting plate body (10).

4. The granular polysilicon step-by-step conveying and grinding device according to claim 1, characterized in that: The adjustment assembly comprises a second driving cylinder (11) fixedly connected to the upper surface of a second connecting plate body (10); a piston end of the second driving cylinder (11) is fixedly connected to a third connecting plate body (12); a lower surface of the third connecting plate body (12) is fixedly connected to a servo driving motor (14); an output shaft of the servo driving motor (14) is fixedly connected to a mounting shaft; and an end of the mounting shaft away from the servo driving motor (14) is fixedly connected to a fixed grinding head (15).

5. The granular polysilicon step-by-step conveying and grinding device according to claim 1, characterized in that: Both sides of the second connecting plate body (10) are fixedly connected to a horizontal fixed strip (13), one end of the horizontal fixed strip (13) away from the second connecting plate body (10) is fixedly connected to a sleeve block, and the sleeve block is sleeved on the outer surface of the gantry fixed frame body (7).

6. The granular polysilicon step-by-step conveying and grinding device according to claim 1, characterized in that: The linkage assembly comprises a second rotating rod body (26) rotatably connected to a side wall of the L-shaped fixed plate (19); a first rotating gear (27) and a second rotating gear (28) are fixedly connected to an outer surface of the second rotating rod body (26); the lifting and fixing rack (16) is meshed with the first rotating gear (27); and the second rotating gear (28) is meshed with a third rotating gear (31).

7. The granular polysilicon step-by-step conveying and grinding device according to claim 1, characterized in that: The one-way rotating assembly comprises a fixed ratchet (32) fixedly connected to the outer surface of the third rotating gear (31); the outer surface of the third rotating rod body (29) is fixedly connected to a limited fixed short plate (33); the side wall of the limited fixed short plate (33) is rotatably connected to a limited pawl (34); the limited pawl (34) is adapted to the fixed ratchet (32); the side wall of the third rotating rod body (29) is fixedly connected to a limited connecting convex rod (36) and a connecting block; the side wall of the connecting block is fixedly connected to a connecting mounting spring (35); the other end of the connecting mounting spring (35) is fixedly connected to the limited pawl (34).

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