Material hanging barrel mechanism of single crystal furnace

Abstract

The utility model relates to a hanging barrel mechanism of a single crystal furnace, which is structurally characterized in that the bottom end of a connecting rod is hung with a charging barrel through a connecting sleeve, the middle of the connecting rod is sleeved with a lower taper sleeve, the top end of the connecting rod is fixedly provided with an upper taper sleeve, a taper barrel comprises a cylindrical part and a taper part, the connecting rod above the connecting sleeve ascends and descends in the taper barrel, and the bottom end of a heavy hammer is connected with the top end of the cylindrical part of the taper barrel; a side gland is arranged at the joint of the cylindrical part and the conical part of the conical cylinder; and a connecting screw sleeved with a spring penetrates through the side gland and is connected with a telescopic head on the inner side of the side gland. Compared with manual operation, the device has the advantages that the labor intensity can be reduced, the production efficiency is improved, the production cost is reduced, and the potential safety hazard is reduced. And the whole production process can be more coherent and efficient. The arc-shaped structure of the taper sleeve on the connecting rod can reduce metal friction in the material hanging process, and pollution of generated metal scraps to silicon materials is reduced. And the lengths of the conical cylinder and the connecting rod are increased, so that the connection is reliable, the falling risk of the charging barrel is reduced, and the use compatibility of the mechanism can be improved.

Description

Technical Field

[0001] This utility model relates to a single crystal furnace loading cylinder mechanism, belonging to the field of single crystal furnace technology. Background Technology

[0002] In the production process of single crystal furnaces, the connection of the furnace barrel is an important part.

[0003] In existing technologies, most material loading and unloading mechanisms require manual operation. For example, the feeder is hung on the single crystal furnace's counterweight, and then the movable pin is manually released and the connecting conversion lever is engaged. The operation is complex, and a single loading operation can take several minutes. Furthermore, when the furnace is large and tall, operators must climb to higher positions, further increasing operation time, impacting production efficiency, and posing certain safety risks. The significant human intervention also affects product consistency and quality. Moreover, these mechanisms have poor adaptability to different material cylinder specifications and limited compatibility with different single crystal furnaces. Utility Model Content

[0004] This utility model proposes a single crystal furnace hanging cylinder mechanism, which aims to overcome the above-mentioned shortcomings of the existing technology, reduce manual operation, improve automation, and thus improve production efficiency and adaptability.

[0005] The technical solution of this utility model is as follows: A single crystal furnace charging cylinder mechanism, comprising a conical cylinder, a counterweight, and a connecting rod. The bottom end of the connecting rod is connected to the charging cylinder via a connecting sleeve, the middle part of the connecting rod is fitted with a lower conical sleeve, and the top end of the connecting rod is fixedly installed with an upper conical sleeve by a nut. The conical cylinder includes a cylindrical part and a conical part connected vertically. The outer diameter of the connecting rod is smaller than the inner diameter of the cylindrical part of the conical cylinder. The connecting rod above the connecting sleeve moves up and down inside the conical cylinder. The bottom end of the counterweight is connected to the top end of the cylindrical part of the conical cylinder. A side pressure cover is provided at the connection between the cylindrical part and the conical part of the conical cylinder. A connecting screw fitted with a spring passes through the side pressure cover and connects to a telescopic head inside the side pressure cover. The upper and lower parts of the side pressure cover are respectively connected and fixed to the cylindrical part and the conical part of the conical cylinder by screws. After the charging cylinder is connected, the counterweight drives the conical cylinder to descend. The upper conical sleeve touches the telescopic head and compresses the spring, causing the connecting screw to move outward. After the upper conical sleeve enters the upper cylindrical part of the conical cylinder a certain distance, the counterweight stops descending. As the weight rises, the upper conical sleeve applies a vertical force to the telescopic head, preventing it from extending or retracting and locking it in place. This lifts the connecting rod and the connected feeding cylinder. Upon disengaging from the feeding cylinder, the weight descends, causing the lower conical sleeve to contact the telescopic head. The telescopic head compresses the spring, causing the connecting screw to move outwards. The lower conical sleeve enters the upper cylindrical section of the cone and continues descending until the upper and lower conical sleeves overlap, at which point the weight stops descending. As the weight rises, the lower conical sleeve contacts the telescopic head, causing it to begin translating outwards. Finally, the upper and lower conical sleeves disengage from the cone. This structure, where the connecting screw with the spring passes through the side pressure cover and connects to the telescopic head inside the side pressure cover, effectively increases the guide length and makes the guiding process smoother compared to a direct connection between the slider and the spring.

[0006] Preferably, the longitudinal section of the upper conical sleeve is an isosceles trapezoid with an arc-shaped waist, the longitudinal section of the lower conical sleeve is symmetrical about the upper and lower axes of the longitudinal section of the upper conical sleeve, and the longitudinal section of the telescopic head is an inverted isosceles trapezoid. The distance between the inner sides of the upper ends of the two telescopic heads is greater than the length of the upper base of the isosceles trapezoid in the longitudinal section of the upper conical sleeve but less than the length of the lower base of the isosceles trapezoid in the longitudinal section of the upper conical sleeve. The arc-shaped design of the upper and lower conical sleeves can improve the smoothness of the movement, reduce the probability of jamming, and also reduce the contamination of silicon material by debris generated by metal friction.

[0007] The advantages of this invention are: Its reasonable structural design enables automated loading of the feeding cylinder, effectively reducing labor intensity, shortening loading time, and increasing the feeding frequency of the single crystal furnace compared to manual operation, thereby improving production efficiency, reducing production costs, and minimizing safety hazards. It can be integrated with a single crystal furnace production automation system, making the entire production process more seamless and efficient. The upper conical sleeve of the cylinder connecting rod adopts an arc-shaped structure, which reduces metal friction during loading, reduces metal debris generated by friction, and avoids contaminating the silicon material. The increased length of the conical cylinder and connecting rod increases the unlocking distance, thus ensuring reliable connection of the mechanism, effectively reducing the risk of cylinder detachment, and allowing it to adapt to different production environments, improving the mechanism's compatibility. Attached Figure Description

[0008] Figure 1 This is a schematic diagram of the structure of the single crystal furnace hanging cylinder mechanism of this utility model.

[0009] Figure 2 This is a schematic diagram of the working state of the single crystal furnace hanging cylinder mechanism of this utility model.

[0010] In the diagram, 1 is the cone, 2 is the side pressure cover, 3 is the telescopic head, 4 is the connecting screw, 5 is the spring, 6 is the screw, 7 is the counterweight, 8 is the connecting rod, 9 is the lower cone sleeve, 10 is the nut, 11 is the barrel connecting sleeve, and 12 is the upper cone sleeve. Detailed Implementation

[0011] The present invention will be further described in detail below with reference to embodiments and specific implementation methods.

[0012] like Figure 1 As shown, a single crystal furnace charging cylinder mechanism includes a conical cylinder 1, a counterweight 7, and a connecting rod 8. The bottom end of the connecting rod 8 is connected to a charging cylinder (not shown) via a connecting sleeve 11. The middle part of the connecting rod 8 is fitted with a lower conical sleeve 9. The top end of the connecting rod 8 is fixedly installed with an upper conical sleeve 12 via a nut 10. The conical cylinder 1 includes a cylindrical part and a conical part connected vertically. The outer diameter of the connecting rod 8 is smaller than the inner diameter of the cylindrical part of the conical cylinder 1. The connecting rod 8 above the connecting sleeve 11 moves up and down inside the conical cylinder 1. The bottom end of the counterweight 7 is connected to the top end of the cylindrical part of the conical cylinder 1. A side pressure cover 2 is provided at the connection between the cylindrical part and the conical part of the conical cylinder 1. A connecting screw 4 with a spring 5 is fitted through the side pressure cover 2 and connected to a telescopic head 3 inside the side pressure cover 2. The upper and lower parts of the side pressure cover 2 are respectively connected and fixed to the cylindrical part and the conical part of the conical cylinder 1 via screws 6.

[0013] The longitudinal section of the upper conical sleeve 12 is an isosceles trapezoid with an arc-shaped waist. The longitudinal section of the lower conical sleeve 9 is symmetrical about the upper and lower axes of the longitudinal section of the upper conical sleeve 12. The longitudinal section of the telescopic head 3 is an inverted isosceles trapezoid. The distance between the inner sides of the upper ends of the telescopic heads 3 on both sides is greater than the length of the upper base of the isosceles trapezoid in the longitudinal section of the upper conical sleeve 12, but less than the length of the lower base of the isosceles trapezoid in the longitudinal section of the upper conical sleeve 12.

[0014] like Figure 2 As shown, after the feeding cylinder is attached, the weight 7 drives the cone cylinder 1 to descend. The arc surface of the upper cone sleeve 12 touches the telescopic head 3. The telescopic head 3 is compressed by the force of the spring 5, which causes the connecting screw 4 to move outward. The upper cone sleeve 12 enters the upper cylindrical part of the cone cylinder 1 a certain distance (which can be adjusted according to production needs. At the lowest position, the upper end face of the lower cone sleeve 9 coincides with the lower end face of the telescopic head 3). Then, the weight 7 stops descending.

[0015] As the hammer 7 rises, the upper cone sleeve 12 applies a vertical force to the telescopic head 3, preventing the telescopic head 3 from extending or retracting and locking the upper cone sleeve 12, thereby lifting the connecting rod 8 and the feeding cylinder connected to it.

[0016] When disengaging from the feeding cylinder, the weight 7 descends, causing the lower cone sleeve 9 to touch the telescopic head 3. The telescopic head 3 compresses the spring 5, causing the connecting screw 4 to move outward. The lower cone sleeve 9 enters the upper cylindrical part of the cone cylinder 1 and continues to descend until the upper cone sleeve 12 and the lower cone sleeve 9 overlap, at which point the weight 7 stops descending.

[0017] As the hammer 7 rises, the lower cone sleeve 9 touches the telescopic head 3, causing it to begin to move outward under force. Finally, the upper cone sleeve 12 and the lower cone sleeve 9 disengage from the cone cylinder 1.

[0018] All of the components described above are existing technologies, and those skilled in the art can use any model and existing design that can achieve their corresponding functions.

[0019] The above description is only a preferred embodiment of the present utility model. It should be noted that for those skilled in the art, several modifications and improvements can be made without departing from the inventive concept of the present utility model, and these all fall within the protection scope of the present utility model.

Claims

1. A single crystal furnace charging cylinder mechanism, characterized in that, The device includes a cone (1), a counterweight (7), and a connecting rod (8). The bottom end of the connecting rod (8) is connected to the feeding cylinder via a connecting sleeve (11). The middle part of the connecting rod (8) is fitted with a lower cone sleeve (9). The top end of the connecting rod (8) is fixedly installed with an upper cone sleeve (12) via a nut (10). The cone (1) includes a cylindrical part and a conical part connected vertically. The outer diameter of the connecting rod (8) is smaller than the inner diameter of the cylindrical part of the cone (1). The connecting rod (8) above the connecting sleeve (11) moves up and down inside the cone (1). The bottom end of the counterweight (7) is connected to the top end of the cylindrical part of the cone (1). A side pressure cover (2) is provided at the connection between the cylindrical part and the conical part of the cone (1). A connecting screw (4) fitted with a spring (5) passes through the side pressure cover (2) and is connected to the telescopic head (3) inside the side pressure cover (2). The upper and lower parts of the side pressure cover (2) are respectively connected and fixed to the cylindrical part and the conical part of the cone (1) via screws (6).

2. The single crystal furnace charging cylinder mechanism as described in claim 1, characterized in that, The longitudinal section of the upper conical sleeve (12) is an isosceles trapezoid with an arc-shaped waist. The longitudinal section of the lower conical sleeve (9) is symmetrical about the upper and lower axes of the longitudinal section of the upper conical sleeve (12). The longitudinal section of the telescopic head (3) is an inverted isosceles trapezoid. The distance between the inner sides of the upper ends of the telescopic heads (3) on both sides is greater than the length of the upper base of the isosceles trapezoid in the longitudinal section of the upper conical sleeve (12) but less than the length of the lower base of the isosceles trapezoid in the longitudinal section of the upper conical sleeve (12).

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