Crushing fluted disc and crushing roller structure for silicon material

Abstract

The utility model discloses a crushing fluted disc and crushing roller structure for silicon materials, which comprises a mounting disc and crushing teeth, a plurality of crushing teeth are fixedly arranged on the outer wall of the mounting disc, first crushing surfaces are arranged on two opposite sides of the crushing teeth, first arc chamfers are arranged between the first crushing surfaces and the mounting disc, and second arc chamfers are arranged between the first crushing surfaces and the mounting disc. Second crushing surfaces are arranged on the other two opposite sides of the crushing teeth, the two second crushing surfaces of every two adjacent crushing teeth are connected through a first arc surface, the two second crushing surfaces on the end portions of the crushing teeth are connected through a second arc surface, and second arc chamfers are arranged between the first crushing surfaces and the second arc surfaces; and a third arc chamfer is arranged between the first crushing surface and the second crushing surface. The crushing teeth are provided with a plurality of arc surfaces and a plurality of arc chamfers, so that edges and corners on the crushing teeth are effectively eliminated, the condition that the edges and corners of the crushing teeth are abraded in the crushing process of monocrystalline silicon leftover materials is prevented, and secondary reproduced monocrystalline silicon rods are prevented from being polluted.

Description

Technical Field

[0001] The utility model relates to the field of crushing equipment, in particular to a crushing toothed disc and a crushing roller structure for silicon materials. Background Art

[0002] During the processing of single crystal silicon rods, single crystal silicon scraps will be produced, which can be crushed to produce single crystal silicon rods. Most of the crushing methods in the prior art use two rollers to roll them together. During the rolling process, the edges and corners of the crushing teeth on the rollers are easily worn, and the impurities produced after wear are easy to contaminate the raw materials after crushing, resulting in a decrease in the quality of the re-produced single crystal silicon rods or even failure. Utility Model Content

[0003] The utility model aims to overcome the deficiencies of the prior art and provide a crushing toothed disc and a crushing roller structure for silicon materials.

[0004] The purpose of this utility model is achieved through the following technical solutions:

[0005] A crushing toothed disk for silicon material comprises a mounting disk and crushing teeth, a plurality of crushing teeth are fixedly arranged on the outer wall of the mounting disk, and all the crushing teeth are arranged on the same plane, first crushing surfaces are arranged on opposite sides of the crushing teeth, a first arc chamfer is arranged between the first crushing surface and the mounting disk, second crushing surfaces are arranged on other opposite sides of the crushing teeth, the two second crushing surfaces of two adjacent crushing teeth are connected by a first arc surface, the two second crushing surfaces on the ends of the crushing teeth are connected by a second arc surface, the axis lines of the first arc surface and the second arc surface are parallel to the axis line of the mounting disk, a second arc chamfer is arranged between the first crushing surface and the second arc surface, and a third arc chamfer matched with the second arc chamfer is arranged between the first crushing surface and the second crushing surface.

[0006] Furthermore, a fourth circular chamfer is provided between the first circular surface and the first circular chamfer, and two ends of the fourth circular chamfer are respectively matched with the two third circular chamfers.

[0007] Furthermore, the two first crushing surfaces on the crushing teeth are symmetrically arranged, and the two second crushing surfaces on the crushing teeth are symmetrically arranged.

[0008] Furthermore, the first crushing surface and the second crushing surface are both planes.

[0009] Furthermore, a keyway is provided on the inner wall of the mounting disc.

[0010] Furthermore, the crushing teeth are evenly arranged on the outer wall of the mounting disc.

[0011] A crushing roller structure comprises a main rotating shaft, a driven rotating shaft, a locking plate and a crushing tooth plate for silicon material, wherein a plurality of mutually contacting mounting discs are fixedly arranged on the main rotating shaft, a plurality of mutually contacting mounting discs are fixedly arranged on the driven rotating shaft, the crushing teeth on the main rotating shaft are staggered with the crushing teeth on the driven rotating shaft, and the locking plates for preventing the mounting discs from detaching are fixedly arranged on both ends of the main rotating shaft and the driven rotating shaft respectively.

[0012] Furthermore, the output end of the main rotating shaft is connected to the input end of the driven rotating shaft via a transmission gear set.

[0013] Furthermore, the transmission gear set includes a main large gear, a main small gear, a secondary large gear, a secondary small gear and a connecting plate component, the main large gear is fixedly arranged on the main rotating shaft and meshes with the main small gear, the secondary large gear is fixedly arranged on the driven rotating shaft and meshes with the secondary small gear, the main small gear meshes with the secondary small gear and both are arranged on the connecting plate component, and the two ends of the connecting plate component are respectively arranged on the main rotating shaft and the driven rotating shaft.

[0014] Further, the connecting plate component includes a main connecting rod, a secondary connecting rod and an intermediate connecting rod, the main connecting rod is connected to the secondary connecting rod through the intermediate connecting rod, the main connecting rod is rotatably set on the main rotating shaft, the secondary connecting rod is rotatably set on the driven rotating shaft, the main pinion is rotatably set on the hinge shaft between the main connecting rod and the intermediate connecting rod, and the secondary pinion is rotatably set on the hinge shaft between the secondary connecting rod and the intermediate connecting rod.

[0015] The beneficial effects of the utility model are:

[0016] 1) In this technology, by setting multiple arc surfaces and multiple arc chamfers on the crushing teeth, the edges and corners on the crushing teeth are effectively eliminated, preventing the edges and corners of the crushing teeth from being worn during the crushing process of the single crystal silicon edge material, and preventing the second production of single crystal silicon rods from being contaminated.

[0017] 2) In the present technology, a keyway is provided to facilitate fixing the mounting disc on the main rotating shaft and the driven rotating shaft, thereby preventing the mounting disc from rotating relative to the main rotating shaft and the driven rotating shaft. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a three-dimensional connection structure diagram of the crushing teeth on the mounting disc;

[0019] Figure 2 It is a three-dimensional connection structure diagram of the crushing roller structure;

[0020] Figure 3 This is the main view of the connection structure of the crushing roller structure;

[0021] Figure 4 It is a side view of the connection structure of the crushing roller structure;

[0022] In the figure, 1-mounting disc, 2-crushing teeth, 3-first crushing surface, 4-first arc chamfer, 5-second crushing surface, 6-first arc surface, 7-second arc surface, 8-second arc chamfer, 9-third arc chamfer, 10-fourth arc chamfer, 11-keyway, 12-main shaft, 13-driven shaft, 14-locking plate, 15-main gear, 16-main pinion, 17-secondary gear, 18-secondary pinion, 19-main connecting rod, 20-secondary connecting rod, 21-intermediate connecting rod. DETAILED DESCRIPTION

[0023] The following will be combined with the embodiments to clearly and completely describe the technical solution of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by those skilled in the art without creative work are within the scope of protection of the utility model.

[0024] See also Figure 1-Figure 4 , the utility model provides a technical solution:

[0025] A crushing toothed disk for silicon material comprises a mounting disk 1 and crushing teeth 2. A plurality of crushing teeth 2 are fixedly arranged on the outer wall of the mounting disk 1, and all the crushing teeth 2 are arranged on the same plane. First crushing surfaces 3 are arranged on opposite sides of the crushing teeth 2, and a first arc chamfer 4 is arranged between the first crushing surface 3 and the mounting disk 1. Second crushing surfaces 5 are arranged on other opposite sides of the crushing teeth 2. The two second crushing surfaces 5 of two adjacent crushing teeth 2 are connected by a first arc surface 6, and the two second crushing surfaces 5 on the ends of the crushing teeth 2 are connected by a second arc surface 7. The axis lines of the first arc surface 6 and the second arc surface 7 are parallel to the axis line of the mounting disk 1, a second arc chamfer 8 is arranged between the first crushing surface 3 and the second arc surface 7, and a third arc chamfer 9 matched with the second arc chamfer 8 is arranged between the first crushing surface 3 and the second crushing surface 5. The crushing teeth 2 are evenly arranged on the outer wall of the mounting disk 1. A fourth arc chamfer 10 is provided between the first arc surface 6 and the first arc chamfer 4, and the two ends of the fourth arc chamfer 10 are respectively matched with the two third arc chamfers 9. Among them, the first arc surface 6, the second arc surface 7, the first arc chamfer 4, the second arc chamfer 8, the third arc chamfer 9 and the fourth arc chamfer 10 can be provided to better crush the single crystal silicon edge material, and since there are no edges and corners on the crushing teeth 2, there is no situation that the edges and corners are worn during the crushing process, which effectively prevents the contamination of the single crystal silicon rod produced again for the second time.

[0026] In some embodiments, the two first crushing surfaces 3 on the crushing teeth 2 are symmetrically arranged, and the two second crushing surfaces 5 on the crushing teeth 2 are symmetrically arranged. The first crushing surface 3 and the second crushing surface 5 are both planes. In the crushing process, the first crushing surface 3 and the second crushing surface 5 are better in contact with the single crystal silicon edge material to achieve crushing.

[0027] In some embodiments, a keyway 11 is provided on the inner wall of the mounting disc 1. The mounting disc 1 is fixedly mounted on the main rotating shaft 12 and the driven rotating shaft 13, and four keyways 11 are evenly arranged on the mounting disc 1, and four splines matching the keyways 11 are evenly arranged on the outer walls of the main rotating shaft 12 and the driven rotating shaft 13, so that relative rotation does not occur between the mounting disc 1 and the main rotating shaft 12 and the driven rotating shaft 13.

[0028] A crushing roller structure comprises a main rotating shaft 12, a driven rotating shaft 13, a locking disk 14 and a crushing tooth disk for silicon materials, wherein a plurality of mutually contacting mounting disks 1 are fixedly arranged on the main rotating shaft 12, a plurality of mutually contacting mounting disks 1 are fixedly arranged on the driven rotating shaft 13, the crushing teeth 2 on the main rotating shaft 12 and the crushing teeth 2 on the driven rotating shaft 13 are staggeredly matched, and locking disks 14 for preventing the mounting disks 1 from detaching are respectively fixedly arranged on both ends of the main rotating shaft 12 and the driven rotating shaft 13. Among them, the main rotating shaft 12 is driven to rotate by the motor in the prior art, and a plurality of mounting discs 1 are fixedly arranged on the main rotating shaft 12, and two adjacent mounting discs 1 are in contact with each other. Locking discs 14 are fixedly arranged on both ends of the main rotating shaft 12, and the locking discs 14 can prevent the mounting discs 1 from sliding on the main rotating shaft 12; a plurality of mounting discs 1 are also fixedly arranged on the driven rotating shaft 13, and two adjacent mounting discs 1 are in contact with each other. Locking discs 14 are fixedly arranged on both ends of the driven rotating shaft 13, and the locking discs 14 can prevent the mounting discs 1 from sliding on the driven rotating shaft 13. The crushing teeth 2 on the main rotating shaft 12 are between the two crushing teeth 2 on the driven rotating shaft 13, so that the misaligned cooperation can achieve a better crushing effect.

[0029] In some embodiments, the output end of the main rotating shaft 12 is connected to the input end of the driven rotating shaft 13 through a transmission gear set. The transmission gear set includes a main large gear 15, a main small gear 16, a secondary large gear 17, a secondary small gear 18 and a connecting plate component. The main large gear 15 is fixedly arranged on the main rotating shaft 12 and meshes with the main small gear 16, the secondary large gear 17 is fixedly arranged on the driven rotating shaft 13 and meshes with the secondary small gear 18, the main small gear 16 meshes with the secondary small gear 18 and is arranged on the connecting plate component, and the two ends of the connecting plate component are respectively arranged on the main rotating shaft 12 and the driven rotating shaft 13. The connecting plate component includes a main connecting rod 19, a secondary connecting rod 20 and an intermediate connecting rod 21. The main connecting rod 19 is connected to the secondary connecting rod 20 through the intermediate connecting rod 21. The main connecting rod 19 is rotatably set on the main rotating shaft 12, and the secondary connecting rod 20 is rotatably set on the driven rotating shaft 13. The main pinion 16 is rotatably set on the hinge shaft between the main connecting rod 19 and the intermediate connecting rod 21, and the secondary pinion 18 is rotatably set on the hinge shaft between the secondary connecting rod 20 and the intermediate connecting rod 21. Among them, the main large gear 15 and the secondary large gear 17 are two identical gears, the main pinion 16 and the secondary pinion 18 are two identical gears, the main rotating shaft 12 drives the main large gear 15 to rotate, and the main large gear 15 drives the driven rotating shaft 13 to rotate after passing through the main pinion 16, the secondary pinion 18 and the secondary large gear 17 in turn. Under normal circumstances, the main rotating shaft 12 and the driven rotating shaft 13 are two identical rotating shafts, and the main rotating shaft 12 and the driven rotating shaft 13 rotate synchronously in opposite directions during operation. The main connecting rod 8 and the auxiliary connecting rod 9 are both hinged to the middle connecting rod 10 , and such an arrangement facilitates the adjustment of the distance between the main rotating shaft 12 and the driven rotating shaft 13 .

[0030] In the description of the present invention, it should be understood that the terms "two ends", "top", "middle", "the other end", "upper", "one side", "inside", "front", "center", "two ends", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings. They are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation. Therefore, they should not be understood as limitations on the present invention.

[0031] In the present utility model, unless otherwise clearly stipulated and limited, the terms such as "installation", "setting", "connection", "fixation", "hinge" and the like should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium; it can be the internal connection of two elements or the interaction relationship between two elements. Unless otherwise clearly defined, ordinary technicians in this field can understand the specific meanings of the above terms in the utility model according to the specific circumstances.

[0032] The above is only a preferred embodiment of the utility model. It should be understood that the utility model is not limited to the form disclosed herein, and should not be regarded as excluding other embodiments, but can be used in various other combinations, modifications and environments, and can be modified within the scope of the concept described herein through the above teachings or the technology or knowledge of the relevant field. The changes and modifications made by those skilled in the art do not deviate from the spirit and scope of the utility model, and should be within the scope of protection of the claims attached to the utility model.

Claims

1. A crushing toothed disc for silicon material, characterized in that: The invention comprises a mounting disc (1) and a crushing tooth (2), wherein a plurality of crushing teeth (2) are fixedly arranged on the outer wall of the mounting disc (1), and all the crushing teeth (2) are arranged on the same plane, first crushing surfaces (3) are arranged on opposite sides of the crushing teeth (2), a first arc chamfer (4) is arranged between the first crushing surface (3) and the mounting disc (1), and second crushing surfaces (5) are arranged on other opposite sides of the crushing teeth (2), and the two second crushing surfaces (5) of two adjacent crushing teeth (2) are arranged on opposite sides of the crushing teeth (2). The first crushing tooth (3) and the second crushing tooth (5) are connected to each other via a first arc surface (6); the two second crushing surfaces (5) on the end of the crushing tooth (2) are connected to each other via a second arc surface (7); the axis lines of the first arc surface (6) and the second arc surface (7) are parallel to the axis line of the mounting disc (1); a second arc chamfer (8) is provided between the first crushing surface (3) and the second arc surface (7); and a third arc chamfer (9) matched with the second arc chamfer (8) is provided between the first crushing surface (3) and the second crushing surface (5).

2. A crushing toothed disc for silicon material according to claim 1, characterized in that: A fourth circular chamfer (10) is provided between the first circular surface (6) and the first circular chamfer (4), and two ends of the fourth circular chamfer (10) are respectively matched with the two third circular chamfers (9).

3. A crushing toothed disc for silicon material according to claim 1 or 2, characterized in that: The two first crushing surfaces (3) on the crushing tooth (2) are symmetrically arranged, and the two second crushing surfaces (5) on the crushing tooth (2) are symmetrically arranged.

4. A crushing toothed disc for silicon material according to claim 1 or 2, characterized in that: The first crushing surface (3) and the second crushing surface (5) are both planes.

5. A crushing toothed disc for silicon material according to claim 1 or 2, characterized in that: A keyway (11) is provided on the inner wall of the mounting disc (1).

6. A crushing toothed disc for silicon material according to claim 1 or 2, characterized in that: The crushing teeth (2) are evenly arranged on the outer wall of the mounting disc (1).

7. A crushing roller structure, characterized in that: The invention comprises a main rotating shaft (12), a driven rotating shaft (13), a locking plate (14) and a crushing toothed plate for silicon material as claimed in any one of claims 1 to 6, wherein a plurality of mutually contacting mounting discs (1) are fixedly arranged on the main rotating shaft (12), a plurality of mutually contacting mounting discs (1) are fixedly arranged on the driven rotating shaft (13), the crushing teeth (2) on the main rotating shaft (12) and the crushing teeth (2) on the driven rotating shaft (13) are staggered and matched, and the locking plates (14) for preventing the mounting discs (1) from detaching are respectively fixedly arranged on both ends of the main rotating shaft (12) and the driven rotating shaft (13).

8. A crushing roller structure according to claim 7, characterized in that: The output end of the main rotating shaft (12) and the input end of the driven rotating shaft (13) are connected via a transmission gear set.

9. A crushing roller structure according to claim 8, characterized in that: The transmission gear set comprises a main large gear (15), a main small gear (16), a secondary large gear (17), a secondary small gear (18) and a connecting plate component. The main large gear (15) is fixedly arranged on the main rotating shaft (12) and meshes with the main small gear (16). The secondary large gear (17) is fixedly arranged on the driven rotating shaft (13) and meshes with the secondary small gear (18). The main small gear (16) meshes with the secondary small gear (18) and both are arranged on the connecting plate component. The two ends of the connecting plate component are respectively arranged on the main rotating shaft (12) and the driven rotating shaft (13).

10. A crushing roller structure according to claim 9, characterized in that: The connecting plate component comprises a main connecting rod (19), a secondary connecting rod (20) and an intermediate connecting rod (21); the main connecting rod (19) is connected to the secondary connecting rod (20) via the intermediate connecting rod (21); the main connecting rod (19) is rotatably arranged on the main rotating shaft (12); the secondary connecting rod (20) is rotatably arranged on the driven rotating shaft (13); the main pinion (16) is rotatably arranged on the hinge shaft between the main connecting rod (19) and the intermediate connecting rod (21); and the secondary pinion (18) is rotatably arranged on the hinge shaft between the secondary connecting rod (20) and the intermediate connecting rod (21).

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