CN218863109U

CN218863109U - Special stable type of silicon chip production is gone up quick-witted pulley disc bearing frame

Info

Publication number: CN218863109U
Application number: CN202223221213.6U
Authority: CN
Inventors: 严循成
Original assignee: Jiangsu Fuxu Technology Co ltd
Current assignee: Jiangsu Fuxu Technology Co ltd
Priority date: 2022-12-02
Filing date: 2022-12-02
Publication date: 2023-04-14
Anticipated expiration: 2032-12-02

Abstract

The utility model relates to a silicon chip production technical field especially relates to a special stable form of silicon chip production pulley disc bearing frame of operating computer, realizes that an operation is stable not rock, the little pulley disc bearing frame mounting structure of wearing and tearing. The utility model provides a special stable form of silicon chip production is put on computer pulley disc bearing frame, includes the pulley disc, still includes the bearing frame, in the bearing frame, it has inner bearing and outer bearing with axle center interference fit respectively, inner bearing and outer bearing offset. The utility model discloses a mounting structure to the bearing frame improves, at the pulley plate high-speed rotation in-process, need not rely on the clearance piece to cooperate between inner bearing and the outer bearing inner circle, inner bearing and outer bearing inner circle closely offset, greatly reduced appear rocking the possibility of wearing and tearing between the bearing axle center, can guarantee the stable high-speed operation of pulley plate, wearing and tearing are little, the life of bearing frame ensures to some extent, bearing frame mounting structure's maintenance frequency greatly reduced for accurate transport processing can be stabilized to the silicon chip.

Description

Special stable type of silicon chip production is gone up quick-witted pulley disc bearing frame

Technical Field

The utility model relates to a silicon chip production technical field especially relates to a special stable form of silicon chip production pulley disc bearing frame of operating on computer.

Background

Silicon is one of the most abundant elements in the earth crust, and monocrystalline silicon is also one of the main photovoltaic materials.

When a silicon wafer is manufactured, each process for manufacturing the silicon wafer is critical, so that high operation requirements on silicon wafer manufacturing equipment are inevitable, and meanwhile, in order to ensure the stability in the production and conveying processes of the silicon wafer, the stable and accurate operation of a conveying device is very important.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a special stable form of silicon chip production pulley disc bearing frame of operating on computer realizes that an operation is stable not rock, the little pulley disc bearing frame mounting structure of wearing and tearing.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a special stable form of silicon chip production is operated pulley disc bearing frame, includes the pulley disc, still includes the bearing frame, the interior of bearing frame, it has inner bearing and outer bearing to assemble with axle center interference respectively, inner bearing and outer bearing offset, and the gross thickness of inner bearing and outer bearing is greater than the thickness of bearing frame, insert the internal thread axle sleeve in the inner bearing, the internal thread axle sleeve is T type structure, and hexagonal hole has been seted up to the horizontal part outside end face of internal thread axle sleeve, and the horizontal part inboard of internal thread axle sleeve offsets with the inner circle of inner bearing, inserts the screw in the outer bearing, and the screw is connected with the vertical portion screw thread of internal thread axle sleeve soon, and one side and the inner circle interference fit of outer bearing of pulley disc, and the outer end face of the inner circle of outer bearing of pulley disc offset, has offered the hole that is used for the screw to run through on the pulley disc, and the horizontal part and the pulley disc of screw offset.

Preferably, the horizontal part of the screw is a hexagonal head.

Preferably, one end of the inner bearing and one end of the outer bearing respectively protrude to the outer side of the bearing seat.

Preferably, the bearing and the outer bearing are of the same type.

Preferably, the inner wall of bearing frame is that six movable grooves have been seted up to the annular array, has the wane that is U type structure through round pin post movable mounting in the movable groove, and the horizontal part and the round pin post of wane are connected, are equipped with the clearance between the horizontal part of wane and the movable groove inner wall, and the extension end of two vertical portions of wane is outside protruding to the inner wall of bearing frame to axle center direction.

Preferably, two vertical portions of the rocker are in an isosceles trapezoid structure or an isosceles triangle structure, and the inclined end faces of the corresponding vertical portions are close to the insertion end of the bearing seat.

The utility model discloses possess following beneficial effect at least:

1. through improving the mounting structure of the bearing seat, in the high-speed rotation process of the pulley disc, the inner bearing and the outer bearing inner ring do not need to be matched by a clearance piece, the inner bearing and the outer bearing inner ring are tightly abutted, the possibility of shaking and abrasion between the bearing axes is greatly reduced, the stable high-speed operation of the pulley disc can be ensured, the abrasion is small, the service life of the bearing seat is ensured, the maintenance frequency of the bearing seat mounting structure is greatly reduced, and the silicon wafer can be stably and accurately conveyed and processed.

2. Through at bearing frame inner wall movable mounting wane, not only improved inner bearing or outer bearing and bearing frame assembly operation convenience, also improved interference fit's inseparable stability.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without any creative effort.

Fig. 1 is a schematic view of a pulley plate bearing seat mounting structure;

fig. 2 is a schematic cross-sectional view of a pulley sheave bearing block;

fig. 3 is a disassembled schematic view of a pulley plate bearing seat.

In the figure: 1. a pulley plate; 2. a screw; 3. a bearing seat; 4. an internal thread shaft sleeve; 5. an inner bearing; 6. an outer bearing; 7. a movable groove; 8. a seesaw.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention will be further described in detail with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

Example one

Referring to fig. 1-3, a stable type upper machine pulley plate bearing seat special for silicon wafer production comprises a pulley plate 1 and a bearing seat 3, wherein an inner bearing 5 and an outer bearing 6 are respectively assembled in the bearing seat 3 in a coaxial interference manner, the inner bearing 5 abuts against the outer bearing 6, the total thickness of the inner bearing 5 and the outer bearing 6 is larger than the thickness of the bearing seat 3, an inner threaded shaft sleeve 4 is inserted into the inner bearing 5, the inner threaded shaft sleeve 4 is of a T-shaped structure, a hexagonal hole is formed in the outer end face of a horizontal part of the inner threaded shaft sleeve 4, the inner side of the horizontal part of the inner threaded shaft sleeve 4 abuts against the inner ring of the inner bearing 5, a screw 2 is inserted into the outer bearing 6, the screw 2 is screwed and connected with a vertical part of the inner threaded shaft sleeve 4, one side of the pulley plate 1 is in interference fit with the inner ring of the outer bearing 6, the pulley plate 1 abuts against the outer end face of the inner ring of the outer bearing 6, a hole for the screw 2 to penetrate through is formed in the pulley plate 1, and the horizontal part of the screw 2 abuts against the pulley plate 1;

the scheme has the following working processes: the pulley plate 1 and the bearing seat 3 are installed in the following way: inserting an inner bearing 5 and an outer bearing 6 from two ends of a bearing seat 3 in an interference fit manner respectively, penetrating a screw 2 through a pulley disc 1, inserting an inner thread shaft sleeve 4 from the end of the inner bearing 5, inserting the screw 2 from the end of the outer bearing 6, connecting the screw 2 with the inner thread shaft sleeve 4 in a threaded screwing manner, inserting the pulley disc 1 and an inner ring of the outer bearing 6 in the interference fit manner, screwing the screw 2, and clamping the inner rings of the inner bearing 5 and the outer bearing 6 by the inner thread shaft sleeve 4 and the screw 2 to finish assembly; in the high-speed rotation process of pulley disc 1, need not rely on the clearance piece to cooperate between inner bearing 5 and the 6 inner circles of outer bearing, inner bearing 5 and the 6 inner circles of outer bearing closely offset, greatly reduced appear rocking the possibility of wearing and tearing between the bearing axle center, can guarantee the stable high-speed operation of pulley disc 1, wearing and tearing are little, the life of bearing frame 3 is ensured to some extent, the maintenance frequency greatly reduced of the mounting structure of bearing frame 3 for the silicon chip can be stabilized accurate transport processing.

Further, the horizontal part of screw 2 is the hexagonal head, and is concrete, the setting of hexagonal head screw 2 and hexagonal hole, and the operation is screwed up to the screw 2 of being convenient for.

Further, one end of the inner bearing 5 and one end of the outer bearing 6 protrude to the outside of the bearing housing 3, respectively.

Further, the inner bearing 5 and the outer bearing 6 are of the same type.

In one of them embodiment, the inner wall of bearing frame 3 is the annular array and has seted up six movable slot 7, there is the wane 8 that is U type structure through round pin post movable mounting in the movable slot 7, the horizontal part and the round pin post of wane 8 are connected, be equipped with the clearance between the horizontal part of wane 8 and the movable slot 7 inner wall, the extension end of two vertical portions of wane 8 is outside protruding to the inner wall of bearing frame 3 to the axle center direction, two vertical portions of wane 8 are isosceles trapezoid structure or isosceles triangle structure, and the tip face of the vertical portion that corresponds is close to bearing frame 3, it is concrete, inner bearing 5 or outer bearing 6 are with 3 inner wall clearance fit of bearing frame, for example, inner bearing 5's outer lane at first offsets with the inclined plane of wane 8, wane 8 uses the round pin post to rotate as the center, make the outer lane pass through the first vertical portion of wane 8 smoothly, when the outer lane offsets with the second vertical portion inclined plane of wane 8, use tools, insert inner bearing 5 interference fit, so that the outer lane passes through the second vertical portion of wane 8 closely the outer lane, not only the bearing 5 closely has set up the convenient stability with the bearing 3, the convenient bearing of the operation of the outer lane has also improved.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the principles of the present invention may be applied to any other embodiment without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a special stable form of silicon chip production pulley disc bearing frame of operating computer, includes pulley disc (1), its characterized in that still includes bearing frame (3), in bearing frame (3), it has inner bearing (5) and outer bearing (6) to assemble with axle center interference respectively, inner bearing (5) and outer bearing (6) offset, and the gross thickness of inner bearing (5) and outer bearing (6) is greater than the thickness of bearing frame (3), interior threaded shaft sleeve (4) are inserted in inner bearing (5), and interior threaded shaft sleeve (4) are T type structure, and hexagonal hole has been seted up to the horizontal part outside end face of interior threaded shaft sleeve (4), and the horizontal part inboard of interior threaded shaft sleeve (4) offsets with the inner circle of inner bearing (5), inserts screw (2) in outer bearing (6), and screw (2) are connected with the vertical portion screw thread of interior threaded shaft sleeve (4) spiral, and the inner circle interference fit of one side and outer bearing (6) of pulley disc (1), and the inner circle of pulley disc (1) and the outer terminal surface offset, offer the outer terminal surface that is used for screw disc (2), and offset with the horizontal part (1).

2. The stable type upper machine pulley disc bearing seat special for silicon wafer production according to claim 1, wherein the horizontal part of the screw (2) is a hexagonal head.

3. The stable type upper pulley plate bearing seat special for silicon wafer production according to claim 1, wherein one end of the inner bearing (5) and one end of the outer bearing (6) respectively protrude to the outer side of the bearing seat (3).

4. The stable type upper pulley plate bearing seat special for silicon wafer production according to claim 1, wherein the inner bearing (5) and the outer bearing (6) are of the same type.

5. The special stable upper pulley disc bearing seat for silicon wafer production according to claim 1, wherein six movable grooves (7) are formed in the inner wall of the bearing seat (3) in an annular array, a U-shaped rocker (8) is movably mounted in each movable groove (7) through a pin, the horizontal part of each rocker (8) is connected with the pin, a gap is formed between the horizontal part of each rocker (8) and the inner wall of each movable groove (7), and the extending ends of two vertical parts of each rocker (8) protrude out of the inner wall of the bearing seat (3) in the axis direction.

6. The stable type upper pulley plate bearing seat special for silicon wafer production as claimed in claim 5, wherein two vertical portions of said wane (8) are in an isosceles trapezoid structure or an isosceles triangle structure, and the inclined end faces of the corresponding vertical portions are close to the insertion end of the bearing seat (3).