CN110948716A

CN110948716A - Cutting fixture with good use effect for polycrystalline silicon wafer

Info

Publication number: CN110948716A
Application number: CN201811125209.5A
Authority: CN
Inventors: 何飞; 张靖
Original assignee: Jiangsu Derun Photoelectric Technology Co ltd
Current assignee: Jiangsu Derun Photoelectric Technology Co ltd
Priority date: 2018-09-26
Filing date: 2018-09-26
Publication date: 2020-04-03

Abstract

The invention discloses a cutting clamp for a polycrystalline silicon wafer with good use effect, which comprises a base, a T-shaped pull rod, a telescopic rod, a T-shaped threaded rod, a first clamp plate and a second clamp plate, wherein vertical plates are fixedly connected to the positions, close to two sides, of the top of the base, a U-shaped placing frame is arranged between the two vertical plates, close to two sides, a telescopic rod is fixedly connected between each vertical plate and the U-shaped placing frame, a first spring is fixedly connected to the side wall, opposite to the vertical plate, of the U-shaped placing frame, one end, far away from the U-shaped placing frame, of each first spring is fixedly connected with the side wall of the corresponding vertical plate, the T-shaped pull rod is arranged on one side, far, and the two vertical plates are provided with first through holes matched with the T-shaped pull rods, one ends of the T-shaped pull rods, which are opposite to the vertical plates, are fixedly connected with the side walls of the U-shaped placing frame, and the top of the inner cavity of the U-shaped placing frame is fixedly connected with two T-shaped slide rods.

Description

Cutting fixture with good use effect for polycrystalline silicon wafer

Technical Field

The invention relates to the technical field of polycrystalline silicon chips, in particular to a cutting clamp for a polycrystalline silicon chip with a good using effect.

Background

With the rapid development of the solar photovoltaic industry in recent years, the demand of the industry on silicon wafers is increasing, the price of silicon materials is also rising, and the production cost is greatly increased, so that the loss of silicon materials in the production and processing process is reduced by adopting an advanced process method, the yield of polycrystalline silicon block slices is improved, the production cost can be effectively reduced, and huge economic benefits can be generated.

Disclosure of Invention

The invention solves the technical problem of overcoming the defects that the prior art can not adapt to the clamping of polycrystalline silicon slices with different sizes and the clamping is not firm, and provides the cutting clamp for the polycrystalline silicon slices with good use effect. The cutting clamp for the polycrystalline silicon slices with the good using effect has the characteristics of adaptability to clamping of polycrystalline silicon slices with different sizes, firmness in clamping and the like.

In order to achieve the purpose, the invention provides the following technical scheme: a cutting clamp with good use effect for a polycrystalline silicon wafer comprises a base, wherein vertical plates are fixedly connected to the top of the base close to two sides, a U-shaped placing frame is arranged between the two vertical plates close to two sides, a telescopic rod is fixedly connected between the vertical plates and the U-shaped placing frame, a first spring is fixedly connected to the side wall of the U-shaped placing frame opposite to the vertical plates, the end, far away from the U-shaped placing frame, of the first spring is fixedly connected with the side wall of the vertical plate, a T-shaped pull rod is arranged on one side, far away from the U-shaped placing frame, of each vertical plate, first through holes matched with the T-shaped pull rods are formed in the two vertical plates, the end, opposite to the vertical plates, of each T-shaped pull rod sequentially penetrates through the first through holes and the first springs and is fixedly connected with the side wall of the U-shaped placing frame, two T-shaped slide rods are fixedly connected to the top, the T-shaped sliding rod is sleeved with a sliding ring, a first clamping plate is arranged below the T-shaped sliding rod, the top of the first clamping plate is close to two sides and is movably connected with an inclined rod, the top end of the inclined rod is movably connected with the left side wall and the right side wall of the sliding ring, the U-shaped sliding rod is movably connected with a T-shaped threaded rod above the U-shaped placing frame, the T-shaped sliding rod is provided with a threaded hole matched with the T-shaped threaded rod, the bottom end of the T-shaped threaded rod penetrates through the threaded hole to extend into the U-shaped placing frame, and the T-shaped sliding rod is movably connected with the.

Preferably, thick pipes are arranged below the two U-shaped placing frames, the bottom ends of the two thick pipes are fixedly connected with the top of the base, second springs are arranged in the thick pipes, the bottom ends of the second springs are fixedly connected with the top of the base, movable blocks are fixedly connected with the top ends of the second springs and are in sliding connection with the inner walls of the thick pipes, thin rods are fixedly connected with the top of the movable blocks, second through holes matched with the thin rods are formed in the bottom of the U-shaped placing frames, second clamping plates are arranged below the first clamping plates, the top ends of the thin rods sequentially penetrate through the top pipe orifices and the second through holes of the thick pipes and extend into the U-shaped placing frames to be fixedly connected with the bottoms of the second clamping plates, connecting rods are fixedly connected between the two thin rods, handles are fixedly connected to the side walls of one of the thin rods, and a plurality of uniformly distributed bolt ports are formed in the side walls of the thin rods, which are opposite to the vertical plate, and the outer wall of the thick pipe is provided with a bolt matched with the bolt opening.

Preferably, two install on the top mouth of pipe department inner wall of thick pipe with movable block assorted baffle, just movable block and thick pipe phase-match.

Preferably, the telescopic link includes pipe and round bar, and realizes fixing through fastening bolt between pipe and the round bar.

Preferably, the shape and the size of first splint and second splint are all the same, two the frame is placed to the U-shaped uses the central axis of base to be bilateral symmetry as the symmetry axis.

Compared with the prior art, the invention has the beneficial effects that: the distance between the two U-shaped placing frames can be adjusted through the mutual matching of the T-shaped pull rod, the first spring and the telescopic rod, the clamping of polycrystalline silicon wafers with different lengths can be adapted, the distance between the first clamping plate and the second clamping plate can be adjusted through the mutual matching of the T-shaped threaded rod, the T-shaped slide rod, the sliding ring and the inclined rod, the clamping of the polycrystalline silicon wafers with different thicknesses can be achieved through the mutual matching of the thick pipe, the movable block, the second spring and the thin rod, and the distance between the second clamping plate and the first clamping plate can be adjusted, so that the clamping of the polycrystalline silicon wafers with different sizes can be achieved, the firm clamping of the polycrystalline silicon wafers can be achieved through the mutual matching of the first clamping plate and the second clamping plate, and the use is convenient.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is an enlarged view of FIG. 1 at A;

fig. 3 is an enlarged view of fig. 1 at B.

Reference numbers in the figures: 1. a base; 2. a vertical plate; 3. a first spring; 4. a T-shaped pull rod; 5. a first through hole; 6. a telescopic rod; 7. a U-shaped placement frame; 8. a second spring; 9. a thick pipe; 10. a movable block; 11. a T-shaped threaded rod; 12. a threaded hole; 13. a slip ring; 14. a T-shaped slide bar; 15. a first splint; 16. a diagonal bar; 17. a second splint; 18. a second through hole; 19. a thin rod; 20. a connecting rod; 21. a baffle plate; 22. a bolt port; 23. a bolt; 24. a handle.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: a cutting fixture for a polycrystalline silicon wafer with good use effect comprises a base 1, wherein vertical plates 2 are fixedly connected to the top of the base 1 near two sides, U-shaped placing frames 7 are arranged between the two vertical plates 2 near two sides, an expansion link 6 is fixedly connected between the vertical plates 2 and the U-shaped placing frames 7, the expansion link 6 comprises a round pipe and a round rod, the round pipe and the round rod are fixed through fastening bolts, the expansion link 6 has a limiting effect and can prevent the U-shaped placing frames 7 from shifting, first springs 3 are fixedly connected to the side walls of the U-shaped placing frames 7 opposite to the vertical plates 2, one ends of the first springs 3 far away from the U-shaped placing frames 7 are fixedly connected to the side walls of the vertical plates 2, T-shaped pull rods 4 are arranged on the two vertical plates 2 far away from the U-shaped placing frames 7, and first through holes 5 matched with the T-shaped pull rods 4 are arranged on the two vertical plates 2, one end of the T-shaped pull rod 4 opposite to the vertical plate 2 sequentially passes through the first through hole 5 and the first spring 3 and is fixedly connected with the side wall of the U-shaped placing frame 7, the top of the inner cavity of the U-shaped placing frame 7 is fixedly connected with two T-shaped slide rods 14, the two T-shaped slide rods 14 are sleeved with the sliding ring 13, a first clamping plate 15 is arranged below the two T-shaped slide rods 14, the top of the first clamping plate 15 close to two sides is movably connected with inclined rods 16, the top ends of the two inclined rods 16 are movably connected with the left side wall and the right side wall of the sliding ring 13, a T-shaped threaded rod 11 is arranged above the two U-shaped placing frames 7, a threaded hole 12 matched with the T-shaped threaded rod 11 is arranged on the top of the U-shaped placing frame 7, the bottom end of the T-shaped threaded rod 11 passes through the threaded hole 12 to extend into the U-shaped placing frame 7 and is movably connected with, the bottom ends of two thick pipes 9 are fixedly connected with the top of the base 1, a second spring 8 is arranged in each thick pipe 9, the bottom end of each second spring 8 is fixedly connected with the top of the base 1, the top end of each second spring 8 is fixedly connected with a movable block 10, the movable blocks 10 are slidably connected with the inner wall of each thick pipe 9, the top parts of the movable blocks 10 are fixedly connected with thin rods 19, the bottom parts of the U-shaped placing frames 7 are provided with second through holes 18 matched with the thin rods 19, second clamping plates 17 are arranged below the first clamping plates 15, the first clamping plates 15 and the second clamping plates 17 are identical in shape and size, the two U-shaped placing frames 7 are bilaterally symmetrical by taking the central axis of the base 1 as a symmetrical axis, firm clamping of polycrystalline silicon wafers can be realized through mutual matching between the first clamping plates 15 and the second clamping plates 17, the top ends of the thin rods 19 sequentially penetrate through the top pipe orifices of the thick pipes 9 and the second through holes 18 and extend into the U-shaped placing frames 7 to be fixedly connected with the, fixedly connected with connecting rod 20 between two slim rods 19, fixedly connected with handle 24 on one of them slim rod 19's the lateral wall, a plurality of evenly distributed's bolt mouth 22 has been seted up on slim rod 19 and the relative lateral wall of riser 2, install on the 9 outer walls of thick pipe with bolt mouth 22 assorted bolt 23, through thick pipe 9, movable block 10, mutually support between second spring 8 and slim rod 19, adjustable second splint 17 is to the distance between first splint 15, reach and carry out the centre gripping to the polycrystalline silicon piece of different thickness, thereby can realize the centre gripping to not unidimensional polycrystalline silicon piece, install on the top mouth of pipe department inner wall of two thick pipes 9 with movable block 10 assorted baffle 21, and movable block 10 and thick pipe 9 phase-match, baffle 21 can effectually prevent movable block 10 from following the interior roll-off of thick pipe 9.

The working principle is as follows: when the device is used, a fastening bolt on a telescopic rod 6 is loosened, a T-shaped pull rod 4 is pulled, the T-shaped pull rod 4 drives two U-shaped placing frames 7 to move towards two sides, at the moment, a first spring 3 is in a compressed state, the distance between the two U-shaped placing frames 7 is adjusted to be suitable for the length of a polycrystalline silicon wafer, the polycrystalline silicon wafer is placed on a second clamping plate 17, the fastening bolt on the telescopic rod 6 is screwed, the U-shaped placing frame 7 is fixed, a T-shaped threaded rod 11 is rotated, the T-shaped threaded rod 11 drives a sliding ring 13 to move downwards on a T-shaped sliding rod 14, the sliding ring 13 drives a first clamping plate 15 to approach to the second clamping plate 17 through an inclined rod 16, a bolt 23 is pulled out, a handle 24 is pulled upwards, the handle 24 drives a thin rod 19 and a movable block 10 to move upwards in a thick pipe 9, at the moment, the second spring 8 is in a stretched state, the thin rod 19 drives the second clamping plate 17 and the polycrystalline silicon wafer, realize first splint 15 and second splint 17 and press from both sides the polycrystal silicon chip tightly, insert bolt 23, realize fixedly, when using the completion, the fastening bolt on the not hard up telescopic link 6 pulls out bolt 23, under the elastic force effect of first spring 3, places frame 7 with two U-shaped and pulls back the normal position, under the elastic force effect of second spring 8, pulls back the normal position with second splint 17, facilitates the use.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a cutting jig for polycrystalline silicon piece that excellent in use effect, includes base (1), its characterized in that: the top of the base (1) is fixedly connected with vertical plates (2) close to two sides, U-shaped placing frames (7) are arranged between the two vertical plates (2) close to two sides, telescopic rods (6) are fixedly connected between the vertical plates (2) and the U-shaped placing frames (7), first springs (3) are fixedly connected to the side walls of the U-shaped placing frames (7) opposite to the vertical plates (2), one ends, far away from the U-shaped placing frames (7), of the first springs (3) are fixedly connected with the side walls of the vertical plates (2), T-shaped pull rods (4) are arranged on one sides, far away from the U-shaped placing frames (7), of the two vertical plates (2), first through holes (5) matched with the T-shaped pull rods (4) are formed in the two vertical plates (2), one ends, opposite to the T-shaped pull rods (4) and the vertical plates (2), sequentially penetrate through the first through holes (5) and the first springs (3), and is fixedly connected with the side wall of the U-shaped placing frame (7), the top of the inner cavity of the U-shaped placing frame (7) is fixedly connected with two T-shaped sliding rods (14), the two T-shaped sliding rods (14) are sleeved with a sliding ring (13), a first clamping plate (15) is arranged below the two T-shaped sliding rods (14), inclined rods (16) are movably connected to the positions, close to the two sides, of the top of the first clamping plate (15), the top ends of the two inclined rods (16) are movably connected with the left side wall and the right side wall of the sliding ring (13), T-shaped threaded rods (11) are arranged above the two U-shaped placing frames (7), and the top of the U-shaped placing frame (7) is provided with a threaded hole (12) matched with the T-shaped threaded rod (11), the bottom end of the T-shaped threaded rod (11) penetrates through the threaded hole (12) to extend into the U-shaped placing frame (7) and is movably connected with the top of the sliding ring (13) through a bearing.

2. The cutting jig for the polycrystalline silicon wafer with good use effect as claimed in claim 1, wherein: thick pipes (9) are arranged below the two U-shaped placing frames (7), the bottom ends of the two thick pipes (9) are fixedly connected with the top of the base (1), second springs (8) are arranged in the thick pipes (9), the bottom ends of the second springs (8) are fixedly connected with the top of the base (1), movable blocks (10) are fixedly connected with the top ends of the second springs (8), the movable blocks (10) are slidably connected with the inner walls of the thick pipes (9), thin rods (19) are fixedly connected with the top ends of the movable blocks (10), second through holes (18) matched with the thin rods (19) are formed in the bottom of the U-shaped placing frames (7), second clamping plates (17) are arranged below the first clamping plates (15), the top ends of the thin rods (19) sequentially penetrate through the top pipe orifices of the thick pipes (9) and the second through holes (18), and extend into the U-shaped placing frames (7) to be fixedly connected with the bottom of the second clamping plates (17), two fixedly connected with connecting rod (20) between thin pole (19), one of them fixedly connected with handle (24) on the lateral wall of thin pole (19), a plurality of evenly distributed's bolt mouth (22) have been seted up on thin pole (19) and the lateral wall that riser (2) are relative, install on thick pipe (9) outer wall with bolt mouth (22) assorted bolt (23).

3. The cutting jig for the polycrystalline silicon wafer with good use effect as set forth in claim 2, wherein: two install on the top mouth of pipe department inner wall of thick pipe (9) with movable block (10) assorted baffle (21), just movable block (10) and thick pipe (9) phase-match.

4. The cutting jig for the polycrystalline silicon wafer with good use effect as claimed in claim 1, wherein: the telescopic rod (6) comprises a round pipe and a round rod, and the round pipe and the round rod are fixed through fastening bolts.

5. The cutting jig for the polycrystalline silicon wafer with good use effect as claimed in claim 1, wherein: the shape and the size of first splint (15) and second splint (17) are all the same, two frame (7) are placed to the U-shaped and are bilateral symmetry for the axis of symmetry with the central axis of base (1).