CN211246676U - Silicon material jaw crusher - Google Patents
Silicon material jaw crusher Download PDFInfo
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- CN211246676U CN211246676U CN201922159562.1U CN201922159562U CN211246676U CN 211246676 U CN211246676 U CN 211246676U CN 201922159562 U CN201922159562 U CN 201922159562U CN 211246676 U CN211246676 U CN 211246676U
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Abstract
The utility model relates to a polycrystalline silicon jaw breaker field discloses a silicon material jaw breaker. A silicon jaw crusher is applied to crush the polysilicon to form a silicon mass. The silicon jaw crusher comprises a crusher body, a static jaw plate, a movable jaw plate, a driving device and a pull rod. A crushing channel for crushing the polycrystalline silicon is formed between the static jaw plate and the movable jaw plate. The driving device comprises an eccentric shaft and a flywheel, the eccentric shaft is installed on the machine body through a shaft support, and the shaft support of the eccentric shaft and the top end face of the static jaw plate are located on the same horizontal line. One end of the pull rod is connected with the bottom end of the movable jaw plate through the mandrel, and the other end of the pull rod horizontally extends to the outer side of the machine body. The utility model discloses a jaw breaker through whole zero suspension type structure that adopts, makes the axle support of movable jaw eccentric shaft keep the same height with the top end face of deciding the jaw, has improved the upper portion movement track of movable jaw, has improved the silicon material crushing efficiency who moves the jaw pair, reduces the likepowder material production simultaneously, and likepowder material accounts for in the reduction silicon material compares.
Description
Technical Field
The utility model relates to a polycrystalline silicon jaw breaker field especially relates to a silicon material jaw breaker.
Background
In the application process of the polysilicon, the polysilicon raw material rod needs to be crushed to the granularity required by the process. Meanwhile, in the crushing process of the polycrystalline silicon, metal elements such as iron are not allowed to be mixed, and the purity requirement of the crushed product is less than 10 ppba. In addition, the requirement of the crushing process on the granules is very high, and the granules smaller than the process particle size requirement are discarded all together and cannot be used. The domestic automatic equipment for coarse crushing of the polycrystalline silicon is mainly a traditional jaw crusher. The traditional jaw crusher is mainly developed and transformed from the original standard crusher.
Present transformation back jaw breaker is mostly positive suspension type for move the lower and likepowder material of the broken efficiency of jaw upper portion to polycrystalline silicon and account for than high, present transformation back jaw breaker's pull rod simultaneously and move the structure of jaw junction and mostly be two mutually perpendicular's drag hook and connect, can produce a large amount of metal powder under long-term swing effect, and pollute the silicon material.
SUMMERY OF THE UTILITY MODEL
For solving the crushing efficiency that reforms transform back jaw crusher exists lower, likepowder material account for the relative altitude, produce the technical problem that metal powder pollutes silicon material easily, the utility model provides a silicon material jaw crusher.
The utility model discloses a following technical scheme realizes: a silicon jaw crusher for use in crushing polycrystalline silicon to form a silicon mass, the silicon jaw crusher comprising:
a body;
a stationary jaw plate which is erected and housed in the body;
a movable jaw plate which is relatively inclined and accommodated in the machine body; a crushing channel for crushing polycrystalline silicon is formed between the static jaw plate and the movable jaw plate;
the driving device comprises an eccentric shaft and a flywheel, the eccentric shaft is arranged on the machine body through a shaft support, and the shaft support of the eccentric shaft and the top end face of the static jaw plate are positioned on the same horizontal line; the flywheel is arranged on the eccentric shaft and drives the eccentric shaft to rotate; the top end of the movable jaw plate is in transmission connection with the eccentric shaft through a pressing block; and
and one end of the pull rod is connected with the bottom end of the movable jaw plate through the mandrel, and the other end of the pull rod horizontally extends to the outer side of the machine body.
The utility model discloses a jaw crusher wholly adopts zero suspension type structure, move the axle support of jaw eccentric shaft promptly and keep the same height with the top end face of deciding the jaw, the pull rod adopts the mandrel to be connected with the junction of moving between the jaw simultaneously, the crushing efficiency who has solved to reform transform back jaw crusher existence is lower, the likepowder material accounts for the relative altitude, produce the technical problem of metal powder pollution silicon material easily, obtained can improve polycrystalline silicon crushing efficiency, reduce the likepowder material in the silicon material and account for than and reduce the technological effect that metal powder produced.
Furthermore, one side of the movable jaw plate close to the bottom is connected with an obliquely arranged toggle plate through a plate pad.
Furthermore, the silicon jaw crusher further comprises an adjusting device, the adjusting device comprises a first adjusting block and a second adjusting block, one end of the first adjusting block is fixedly connected with one end, far away from the pull rod, of the toggle plate, and the other end, opposite to the first adjusting block, of the first adjusting block is provided with a first inclined surface; one end of the adjusting block II, which is close to the adjusting block I, is provided with an inclined plane II corresponding to the inclined plane I, and the adjusting block I and the adjusting block II are in pressing contact with the inclined plane II through the inclined plane I.
Furthermore, the adjusting device also comprises a square head bolt, and a rod part of the square head bolt penetrates through the top of the machine body and extends into the machine body; the head of the square-head bolt is connected with a groove reserved on the top of the second adjusting block in a clamping manner.
Furthermore, the rod part of the square head bolt positioned outside the machine body is relatively fixed through two nuts.
Furthermore, the top of the machine body is provided with a through hole which is in clearance fit with the rod part of the square-head bolt.
Furthermore, a sliding groove is formed in the corresponding side wall of the machine body, which is close to the first adjusting block, and one end, which is far away from the first adjusting block, of the second adjusting block is in sliding connection with the sliding groove.
Furthermore, the tooth tops and the tooth bottoms of the static jaw plate and the movable jaw plate are in smooth transition design.
Furthermore, a spring is arranged on the rod wall of the pull rod positioned on the outer side of the machine body in a surrounding mode, pressing rings are fixed to two ends of the spring, one of the pressing rings is sleeved on the pull rod in a sliding mode and is fixedly connected with the corresponding outer side wall of the machine body, and the other pressing ring is fixedly sleeved on the rod wall of the pull rod positioned on the outer side far away from the machine body in a sleeved mode.
Further, a polyurethane sealing strip is bonded on the surface of the pressing block.
The utility model has the advantages that:
1. the utility model discloses a jaw breaker through whole zero suspension type structure that adopts, makes the axle support of movable jaw eccentric shaft keep the same height with the top end face of deciding the jaw, has improved the upper portion movement track of movable jaw, has improved the silicon material crushing efficiency who moves the jaw pair, reduces the likepowder material production simultaneously, and likepowder material accounts for in the reduction silicon material compares.
2. The utility model discloses jaw breaker's pull rod and the junction between the movable jaw plate adopt the mandrel to be connected, because the mandrel surface is smooth, frictional force is little, has optimized the pull rod and has moved the connected mode between the jaw, not only avoids producing metal powder pollution silicon material, is favorable to the production of this breaker control powder material simultaneously.
3. The utility model discloses jaw breaker and polycrystalline silicon raw materials direct contact or risk contact department all adopt high wear-resisting material such as carbide or polyurethane to reduce sneaking into of metal powder or other foreign matters, can reduce the metallic element in the silicon material and account for than, be favorable to improving the purity of broken back silicon material.
4. The utility model has the advantages that the whole silicon jaw crusher has no metallic iron element to be brought into the silicon material, the crushing process can not pollute the silicon material, and the purity of the silicon material is ensured; and the jaw plate teeth are made of hard alloy materials with good wear resistance and good toughness, so that the service life of the plate teeth is prolonged, and metal pollution is reduced.
Drawings
Fig. 1 is a working state diagram of a silicon jaw crusher provided by an embodiment of the present invention;
fig. 2 is a cross-sectional view from another perspective of the partial structure of fig. 1.
Description of the main symbols:
1. a body; 2. a drive device; 3. adjusting a first block; 4. a second adjusting block; 5. a square head bolt; 6. a toggle plate; 7. a plate pad; 8. a pull rod; 9. pressing a ring; 10. a spring; 11. briquetting; 12. an adjustment device; 15. an eccentric shaft; 16. a flywheel; 17. sealing a polyurethane strip; 19. a stationary jaw plate; 20. a movable jaw plate.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.
Referring to fig. 1, a silicon jaw crusher is used to crush polysilicon to form a silicon mass. The silicon jaw crusher comprises a machine body 1, a fixed jaw 19, a movable jaw 20, a driving device 2, a pull rod 8 and an adjusting device 12. The machine body 1 in this embodiment is a jaw crusher.
The stationary jaw 19 is a plate body with a rectangular shape as a whole, and the height of the stationary jaw 19 in this embodiment may be equal to the height of the machine body 1. The static jaw plate 19 is made of, but not limited to, a hard alloy material YG8-YG20 with good wear resistance and toughness, so that the service life of the static jaw plate 19 is prolonged, and the tooth tops and the tooth bottoms of the static jaw plate 19 are both in a smooth transition design, so that stress concentration is avoided.
The fixed jaw 19 is erected and accommodated in the machine body 1, in this embodiment, one side of the fixed jaw 19, which is far away from the movable jaw 20, is connected with the machine body 1 in a clamping manner, and in other embodiments, the fixed jaw 19 may be connected with the machine body 1 through a screw.
The static jaw plate 19 in this embodiment may be a split structure formed by splicing two plates, which is convenient for people to maintain, and in other embodiments, the static jaw plate 19 may also be an integral structure.
The movable jaw plate 20 is trapezoidal as a whole. In the embodiment, the movable jaw plate 20 is made of, but not limited to, a hard alloy material YG8-YG20 with very good wear resistance and toughness, so that the service life of the movable jaw plate 20 is prolonged. The movable jaw plate 20 is integrally welded, so that the movable jaw plate is convenient to manufacture, and the strength performance is optimized.
The movable jaw plate 20 is relatively inclined and accommodated in the machine body 1, and the tooth tops and the tooth bottoms of the movable jaw plate 20 are both in a smooth transition design, so that stress concentration is avoided. The movable jaw plate 20 can be a split structure formed by splicing two plates, so that the movable jaw plate is convenient for people to maintain, and the movable jaw plate 20 can also be an integral structure in other embodiments.
The side of the swing jaw 20 close to the bottom is connected with an obliquely arranged toggle plate 6 through a plate pad 7, and the toggle plate 6 is obliquely upward in the embodiment. The plate pad 7 and the movable jaw 14 can be connected through screws. The plate pad 7 is tightly attached to the toggle plate 6.
A crushing channel for crushing the polycrystalline silicon is formed between the fixed jaw 19 and the movable jaw 20. The crushing channel in this embodiment further includes a side wall of the machine body 1 between the fixed jaw 19 and the movable jaw 20, that is, the crushing channel is formed between the fixed jaw 19, the movable jaw 20 and the side wall corresponding to the machine body 1, and the side wall is also made of hard alloy, so that no metal iron element is brought into the silicon material, the silicon material is not polluted in the crushing process, and the purity of the silicon material is ensured.
The drive means 2 comprise an eccentric shaft 15 and a flywheel 16. The eccentric shaft 15 is installed on the machine body 1 through a shaft support, and the shaft support of the eccentric shaft 15 and the top end face of the static jaw plate 19 are located on the same horizontal line, so that the eccentric shaft 15 is changed into a zero-suspension type structure, the motion track of the upper part of the movable jaw is improved, the crushing performance is improved, and the generation of powdery materials is reduced.
The flywheel 16 is a wheel body having a circular shape as a whole. The flywheel 16 is installed on the eccentric shaft 15 and drives the eccentric shaft 15 to rotate, in this embodiment, the rotation center of the flywheel 16 is connected with the outer side wall of the eccentric shaft 15 through a key, a belt wheel (not shown) can be coaxially arranged on the flywheel 16, and an external motor is used for driving another belt and transmitting the flywheel 16 through the belt, so as to drive the eccentric shaft 15 to rotate.
Referring to fig. 2, the top end of the movable jaw plate 20 is connected to the eccentric shaft 15 through a pressing block 11. The pressing block 11 is a block body with an inverted right trapezoid cross section and can be made of carbon steel. The pressing block 11 can be used as a connecting piece to connect the top end of the movable jaw plate 20 with the eccentric shaft 15, so that the eccentric shaft 15 drives the movable jaw plate 20 to do complex front-back up-and-down swinging. In this embodiment, the pressing block 11 may be welded to the top end of the movable jaw 20 and may be connected to the eccentric shaft 15 by a screw. The surface of the pressing block 11 is bonded with a polyurethane sealing strip 17, so that the outer surface of the pressing block 11 is not directly contacted with the silicon material, and metal pollution is avoided.
The pull rod 8 is a rod body which is horizontal as a whole and is in a long shaft shape, and one end of the pull rod 8 is connected with the bottom end of the movable jaw plate 20 through a mandrel (not shown) in the embodiment. Because the surface of the mandrel is smooth, the friction force is small, and the metal powder generated at the joint of the pull rod 8 and the movable jaw plate 20 due to long-term friction is reduced.
The other end of the pull rod 8 extends horizontally to the outside of the machine body 1, and a rod hole (not labeled) for the pull rod 8 to pass through is formed on the corresponding side wall of the machine body 1 in the embodiment. The pull rod 8 is surrounded by a spring 10 on the rod wall outside the machine body 1. Pressing rings 9 are fixed at both ends of the spring 10.
Each clamping ring 9 is a circular plate with a rod hole in the middle. One of them clamping ring 9 slides and cup joints on pull rod 8 and with the corresponding lateral wall fixed connection of organism 1, through welded fastening between this clamping ring 9 and the pole wall that organism 1 has the pole hole, and pull rod 8 can slide on the pole hole of this clamping ring 9. The other pressing ring 9 is fixedly sleeved on the outer side rod wall of the pull rod 8 far away from the machine body 1, and the rod hole of the pressing ring 9 and the outer side rod wall of the pull rod 8 are fixed through welding, so that the pressing ring 9 moves synchronously along with the pull rod 8.
In the embodiment, the spring 10 and the two pressing rings 9 are fixed by welding. The tie rod 8 is mainly arranged to make the toggle plate 6 and the plate pad 7 tightly fit, and to maintain a sufficient tensile force when the swing jaw 20 swings.
The adjusting device 12 comprises a first adjusting block 3, a second adjusting block 4 and a square head bolt 5. The cross section of the first adjusting block 3 is similar to an inverted isosceles trapezoid. One end of the first adjusting block 3 is fixedly connected with one end of the toggle plate 6 far away from the pull rod 8, and in the embodiment, the first adjusting block 3 is connected with the higher end of the toggle plate 6 through a screw. The opposite end of the first adjusting block 3 is provided with a first inclined surface (not shown).
The section of the second adjusting block 4 is in a right trapezoid shape, one side of the second adjusting block 4, which is close to the first adjusting block 3, is provided with a second inclined surface (not marked), and the first inclined surface corresponds to the second inclined surface. The first adjusting block 3 and the second adjusting block 4 are in extrusion contact with the second inclined plane through the first inclined plane, the vertical height of the second adjusting block 4 is changed, so that the first inclined plane and the second inclined plane between the first adjusting block 3 and the second adjusting block 4 are relatively extruded, the relative position between the first inclined plane and the second inclined plane is changed, the inclination angle of the toggle plate 6 is changed, the distance between the movable jaw plate 20 and the static jaw plate 19 is changed, the size of a discharge port of a crushing channel is changed, and the effect of controlling the crushing granularity of silicon materials is achieved.
The right-angle side of the second adjusting block 4 is far away from one side of the first adjusting block 3, a sliding groove (not shown) is formed in the corresponding side wall, close to the second adjusting block 4, of the machine body 1 in the embodiment, and one end, far away from the first adjusting block 3, of the second adjusting block 4 is connected with the sliding groove in a sliding mode. The right-angle side of the second adjusting block 4 is embedded in the sliding groove and can slide up and down in the sliding groove.
The pole part of square head bolt 5 runs through the top of organism 1 and stretches into in the organism 1, and the through-hole (not marking) corresponding with square head bolt 5 is seted up at the top of organism 1 in this embodiment, can be clearance fit between the pole part of square head bolt 5 and the through-hole, then the pole part of square head bolt 5 can be at the through-hole internal rotation. The rod part of the square head bolt 5 positioned outside the machine body 1 is fixed by two nuts (not marked).
The head of the square-head bolt 5 positioned in the machine body 1 is connected with a groove (not shown) reserved at the top of the second adjusting block 4 in a clamping manner, so that a worker can change the position of the second adjusting block 4 in the vertical direction in the chute by screwing a nut with a tool, and the machine is convenient and practical.
Therefore, the working mode of the silicon material jaw crusher is as follows: when the single crystal or polycrystalline silicon bar enters the crushing channel, the flywheel 16 drives the eccentric shaft 15 to make the movable jaw plate 20 do complex up-and-down swing back and forth, so as to extrude the single crystal or polycrystalline silicon bar to form a silicon material, and the silicon material is crushed into required small blocks; during crushing, the size of the discharge port can be changed through the adjusting device 12, so that the control on the crushing granularity is realized; when the crushing channel falls into non-crushed objects or instantly drops, the load of the jaw plate is increased, the toggle plate 6 can be broken at the moment, the overload protection effect is achieved, and other important parts are prevented from being damaged.
In summary, the present embodiment has the following advantages:
1. the jaw crusher of this embodiment, through whole zero suspension type structure that adopts, make the axle support of movable jaw eccentric shaft keep the same height with the top end face of deciding the jaw, improved the upper portion movement track of movable jaw, improved the silicon material crushing efficiency that the movable jaw is right, reduce the likepowder material production simultaneously, reduce likepowder material in the silicon material and account for than.
2. The connecting part between the pull rod and the movable jaw plate of the jaw crusher is connected by the mandrel, and the mandrel has smooth surface and small friction force, so that the connecting mode between the pull rod and the movable jaw is optimized, the silicon material is prevented from being polluted by metal powder, and the control of the crusher on the generation of the powder material is facilitated.
3. In the embodiment, the jaw crusher and the polycrystalline silicon raw material are in direct contact or in a risk contact position, and high-wear-resistant materials such as hard alloy or polyurethane are adopted, so that the mixing of metal powder or other foreign matters is reduced, the metal element proportion in the silicon material can be reduced, and the purity of the crushed silicon material is improved.
4. According to the silicon material jaw crusher, no metal iron element is brought into a silicon material integrally, the silicon material is not polluted in the crushing process, and the purity of the silicon material is ensured; and the jaw plate teeth are made of hard alloy materials with good wear resistance and good toughness, so that the service life of the plate teeth is prolonged, and metal pollution is reduced.
The above description is only exemplary of the present invention and should not be construed as limiting the present invention, and any modifications, equivalents and improvements made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (10)
1. A silicon jaw crusher for use in crushing polycrystalline silicon to form a silicon mass, the silicon jaw crusher comprising:
a body;
a stationary jaw plate which is erected and housed in the body;
a movable jaw plate which is relatively inclined and accommodated in the machine body; a crushing channel for crushing polycrystalline silicon is formed between the static jaw plate and the movable jaw plate;
the driving device comprises an eccentric shaft and a flywheel, the eccentric shaft is arranged on the machine body through a shaft support, and the shaft support of the eccentric shaft and the top end face of the static jaw plate are positioned on the same horizontal line; the flywheel is arranged on the eccentric shaft and drives the eccentric shaft to rotate; the top end of the movable jaw plate is in transmission connection with the eccentric shaft through a pressing block; and
and one end of the pull rod is connected with the bottom end of the movable jaw plate through the mandrel, and the other end of the pull rod horizontally extends to the outer side of the machine body.
2. The jaw crusher of silicon material as claimed in claim 1 wherein the movable jaw is connected to an inclined toggle plate through a plate pad on the side close to the bottom.
3. The jaw crusher for silicon materials as claimed in claim 2, further comprising an adjusting device, wherein the adjusting device comprises a first adjusting block and a second adjusting block, one end of the first adjusting block is fixedly connected with one end of the toggle plate far away from the pull rod, and the other opposite end of the first adjusting block is provided with a first inclined surface; one end of the adjusting block II, which is close to the adjusting block I, is provided with an inclined plane II corresponding to the inclined plane I, and the adjusting block I and the adjusting block II are in pressing contact with the inclined plane II through the inclined plane I.
4. The jaw crusher for silicon material as claimed in claim 3 wherein the adjusting means further comprises a square head bolt, the rod part of the square head bolt extends through the top of the machine body and into the machine body; the head of the square-head bolt is connected with a groove reserved on the top of the second adjusting block in a clamping manner.
5. The jaw crusher of silicon material as claimed in claim 4 wherein the rod part of the lag bolt outside the crusher body is relatively fixed by two nuts.
6. The jaw crusher for silicon materials as claimed in claim 5 wherein the top of the machine body is provided with a through hole in clearance fit with the rod of the lag bolt.
7. The jaw crusher for silicon materials as claimed in claim 6 wherein the corresponding side wall of the machine body near the second adjusting block is provided with a chute, and one end of the second adjusting block far from the first adjusting block is connected with the chute in a sliding manner.
8. The jaw crusher as claimed in claim 1 wherein the tooth tops and tooth bottoms of the fixed jaw and the movable jaw are smooth transition designs.
9. The jaw crusher for silicon materials as claimed in claim 1 wherein the pull rod is surrounded by a spring on the rod wall outside the machine body, and the two ends of the spring are fixed with a clamping ring, wherein one of the clamping rings is slidably sleeved on the pull rod and is fixedly connected with the corresponding outer side wall of the machine body, and the other clamping ring is fixedly sleeved on the outer rod wall of the pull rod away from the machine body.
10. The silicon jaw crusher as claimed in claim 1 wherein a polyurethane seal is bonded to the surface of the briquette.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922159562.1U CN211246676U (en) | 2019-12-05 | 2019-12-05 | Silicon material jaw crusher |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922159562.1U CN211246676U (en) | 2019-12-05 | 2019-12-05 | Silicon material jaw crusher |
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| Publication Number | Publication Date |
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| CN211246676U true CN211246676U (en) | 2020-08-14 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201922159562.1U Active CN211246676U (en) | 2019-12-05 | 2019-12-05 | Silicon material jaw crusher |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112642515A (en) * | 2020-11-05 | 2021-04-13 | 中国恩菲工程技术有限公司 | Polycrystalline silicon crushing, sorting and packaging system |
| WO2022120890A1 (en) * | 2020-12-10 | 2022-06-16 | 毛雪梅 | Nondisruptive gap adjustment mechanism for jaw crusher |
| CN115400826A (en) * | 2022-04-22 | 2022-11-29 | 蓝城房产建设管理集团有限公司 | Construction waste recovery device and recovery method thereof |
-
2019
- 2019-12-05 CN CN201922159562.1U patent/CN211246676U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112642515A (en) * | 2020-11-05 | 2021-04-13 | 中国恩菲工程技术有限公司 | Polycrystalline silicon crushing, sorting and packaging system |
| WO2022120890A1 (en) * | 2020-12-10 | 2022-06-16 | 毛雪梅 | Nondisruptive gap adjustment mechanism for jaw crusher |
| CN115400826A (en) * | 2022-04-22 | 2022-11-29 | 蓝城房产建设管理集团有限公司 | Construction waste recovery device and recovery method thereof |
| CN115400826B (en) * | 2022-04-22 | 2024-03-22 | 蓝城房产建设管理集团有限公司 | Construction waste recycling device and recycling method thereof |
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