CN213829771U

CN213829771U - Squaring machine silicon crystal bar clamping device

Info

Publication number: CN213829771U
Application number: CN202022124763.0U
Authority: CN
Inventors: 李海威; 梁兴华; 李元业; 林光展; 刘林炎
Original assignee: Fuzhou Tianrui Scroll Saw Technology Co Ltd
Current assignee: Fuzhou Tianrui Scroll Saw Technology Co Ltd
Priority date: 2020-09-24
Filing date: 2020-09-24
Publication date: 2021-07-30
Anticipated expiration: 2030-09-24

Abstract

The utility model relates to the field of processing of brittle and hard materials, in particular to a silicon crystal bar clamping device of a squaring machine, which comprises a supporting frame, an upper clamping mechanism, a lower clamping mechanism and a lifting mechanism; the lifting mechanism is arranged on the support frame, and the upper clamping mechanism is connected to the lifting mechanism; the upper clamping mechanism comprises a pressure head, an upper mandrel, a mounting plate, a rotary driving unit and an upper jacking piece, the pressure head is rotatably connected to the lifting mechanism through the upper mandrel, the mounting plate is rotatably sleeved outside the upper mandrel, the upper jacking piece is arranged on the mounting plate and positioned on the side of the pressure head, and the rotary driving unit is in transmission connection with the mounting plate; lower fixture sets up with last fixture is relative, and lower fixture includes base, swivel work head and tight piece in lower top, and swivel work head sets up on the base, and the tight piece in lower top sets up in swivel work head's side. This scheme clamping device's structure is comparatively simple, and the stability in use is better, and the cladding after silicon crystal bar evolution is collected more conveniently, and the commonality is stronger.

Description

Squaring machine silicon crystal bar clamping device

Technical Field

The utility model relates to a crisp hard material processing field especially relates to a squaring machine silicon crystal bar clamping device.

Background

Silicon crystals are used very widely in the photovoltaic industry. The silicon rod is subjected to primary processing in order to meet the quality parameters of the silicon crystal rod and the appearance and the size of the next process.

Circular silicon crystal bar is using before the processing of product preparation, bar evolution cutting work generally need be carried out, and evolution cutting work time carries out, it is higher to the centre gripping fixing device requirement of silicon crystal bar, both need carry out stable centre gripping to the bar, in order to guarantee the evolution precision, need guarantee again that the high-efficient function of fixture reduces fixture's work energy consumption as far as simultaneously, still need prevent that the cladding after the cutting of silicon crystal bar from dropping at will simultaneously, influence the operation environment, hinder normal work and cause equipment damage even. The existing bar clamping mechanisms have the problems of complex structure, poor use stability and inconvenient taking out of the square leather.

Disclosure of Invention

Therefore, the silicon crystal bar clamping device of the squaring machine needs to be provided for solving the technical problems that a bar clamping mechanism in the prior art is complex in structure, poor in use stability and inconvenient to take out square leather.

In order to achieve the purpose, the utility model provides a silicon crystal bar clamping device of a squaring machine, which comprises a supporting frame, an upper clamping mechanism, a lower clamping mechanism and a lifting mechanism;

the lifting mechanism is arranged on the support frame, the upper clamping mechanism is connected to the lifting mechanism, and the lifting mechanism is used for driving the upper clamping mechanism to ascend or descend;

the upper clamping mechanism comprises a pressure head, an upper mandrel, a mounting plate, a rotary driving unit and an upper jacking piece, the pressure head is rotatably connected to the lifting mechanism through the upper mandrel, the mounting plate is rotatably sleeved outside the upper mandrel, the upper jacking piece is arranged on the mounting plate and positioned on the side of the pressure head, and the rotary driving unit is in transmission connection with the mounting plate;

the lower clamping mechanism and the upper clamping mechanism are arranged oppositely, the lower clamping mechanism comprises a base, a rotary workbench and a lower tightening piece, the rotary workbench is arranged on the base, and the lower tightening piece is arranged on the side of the rotary workbench.

As the utility model discloses a preferred structure, elevating system includes lift cylinder, first slide rail, first slider and first slide, the lift cylinder is connected with first slide, first slide rail is along the vertical setting of a support frame lateral wall, first slide assembles on first slide rail through first slider, the rotation driving unit is fixed in on the first slide.

As a preferred structure of the utility model, elevating system still includes second slide rail, second slider and second slide, the vertical setting of another lateral wall of support frame is followed to the second slide rail, and the first slide rail of perpendicular to, the second slide passes through the second slider and assembles on the second slide rail, first slide and second slide fixed connection, the rotation driving unit is fixed in on the second slide.

As a preferred structure of the utility model, the lift cylinder is rodless cylinder, rodless cylinder's piston is connected with first slide.

As the utility model discloses a preferred structure, the rotary driving unit includes cylinder and gear, the tooth's socket has been seted up to the telescopic link of cylinder, the gear passes through tooth's socket and telescopic link meshing, the pressure head is fixed with the gear.

As a preferred structure of the utility model, go up the holding member and be two, two go up the holding member and set up in the relative both sides of pressure head.

As the utility model discloses an optimal structure, it is the cylinder to go up the holding member, the telescopic link of cylinder can support to lean on and treat square silicon crystal bar.

As the utility model discloses a preferred structure, the tight piece of top is two down, and two are pushed up the tight piece and set up in swivel work head's relative both sides down.

As the utility model discloses an optimal structure, the piece of pushing up is two pole cylinders down, two telescopic links of two pole cylinders can support and lean on the silicon crystal bar of treating the evolution.

As a preferred structure of the utility model, rotatory workstation includes rotating electrical machines, speed reducer and workstation, the rotating electrical machines passes through the speed reducer and is connected with the workstation.

Different from the prior art, the technical scheme has the following advantages: the utility model relates to a squaring machine silicon crystal bar clamping device, elevating system sets up on the support frame, it is connected with elevating system to go up fixture, the silicon crystal bar that waits to open is placed on fixture's swivel work head down, it is under elevating system's drive to go up fixture, the pressure head is pressed on the up end of silicon crystal bar, then move coping saw cutting mechanism to appointed cutting size position, go up the fastener and push up the fastener action down and lean on the cladding position of silicon crystal bar afterwards, coping saw cutting mechanism moves and opens the silicon crystal bar, the cladding that opens and cuts is held by last fastener and push up fastener down earlier, can clip the flaw-piece by the mechanism is got to the rim charge afterwards, go up the fastener and loosen the silicon crystal bar, when the silicon crystal bar length that waits to open is shorter, the water film adhesive force of its rim charge is relatively less, can directly follow the horizontal direction through rim charge collection mechanism and remove the rim charge, when the length of the silicon crystal bar to be cut is long, the water film adhesive force of the flaw-piece is relatively large, the rotary driving unit of the upper clamping mechanism rotates through the driving mounting plate, the upper jacking piece enables the space above the flaw-piece to be cut, the flaw-piece clamping device can move upwards along the vertical direction for a certain distance in the state of clamping the flaw-piece, the adsorption of the flaw-piece by the water film can be damaged, and then the flaw-piece collecting mechanism can directly move along the horizontal direction to take away the flaw-piece. After the cutting of the silicon crystal bar stock once is finished, the silicon crystal bar stock can rotate by a preset angle under the condition that the upper clamping mechanism and the lower clamping mechanism clamp the current silicon crystal bar stock as required so as to carry out next cutting work. In this scheme, clamping device's structure is comparatively simple, and the stability in use is better, and the cladding after silicon crystal bar evolution is collected more conveniently, and the commonality is stronger.

Drawings

FIG. 1 is a schematic perspective view of a silicon crystal bar stock clamping device of a squarer according to an embodiment;

FIG. 2 is a schematic diagram of a part of a structure of a silicon crystal bar clamping device of an squarer according to an embodiment;

FIG. 3 is a schematic structural diagram of an upper clamping member of a squarer silicon crystal bar clamping device rotated by 90 degrees according to an embodiment;

FIG. 4 is a schematic cross-sectional view of an upper clamping mechanism in a squarer silicon crystal bar clamping device according to an embodiment;

FIG. 5 is a schematic structural view of a lower clamping mechanism in a silicon crystal bar stock clamping device of an squarer according to an embodiment;

fig. 6 is a schematic cross-sectional view of a lower clamping mechanism in a squarer silicon crystal bar holding apparatus according to an embodiment.

Description of reference numerals:

100. a support frame;

200. an upper clamping mechanism;

210. a pressure head;

220. an upper mandrel;

230. mounting a plate;

241. a cylinder; 242. a gear;

250. an upper tightening member;

300. a lower clamping mechanism;

310. a base;

320. rotating the working table; 321. a rotating electric machine; 322. a speed reducer; 323. a work table;

330. a lower top tightening member;

400. a lifting mechanism;

410. a lifting cylinder;

420. a first slide rail;

430. a first slider;

440. a first slide plate;

450. a second slide rail;

460. a second slider;

470. a second slide plate;

500. a wire saw cutting mechanism;

600. silicon crystal ingot.

Detailed Description

To explain technical contents, structural features, and objects and effects of the technical solutions in detail, the following detailed description is given with reference to the accompanying drawings in conjunction with the embodiments.

Referring to fig. 1 to 6, the embodiment provides a clamping device for silicon crystal bar stock 600 of a squarer, which is used for clamping and fixing the silicon crystal bar stock during squaring and cutting. Specifically, the clamping device comprises a support frame 100, an upper clamping mechanism 200, a lower clamping mechanism 300 and a lifting mechanism 400;

the lifting mechanism 400 is arranged on the support frame 100, the upper clamping mechanism 200 is connected to the lifting mechanism 400, and the lifting mechanism 400 is used for driving the upper clamping mechanism 200 to ascend or descend so that the upper clamping mechanism 200 is pressed against or away from the upper end face of the silicon crystal bar 600 to be cut;

the upper clamping mechanism 200 is used for pressing the upper end face of the silicon ingot to be cut 600. Specifically, go up fixture 200 and include pressure head 210, last dabber 220, mounting panel 230, rotation driving unit and last top member 250, pressure head 210 passes through rotatable the connecting in elevating system 400 of dabber 220, the rotatable cover of mounting panel 230 is located outside dabber 220, go up top member 250 and set up on mounting panel 230, and be located pressure head 210's side, rotation driving unit and mounting panel 230 transmission are connected. The pressing head 210 is used for being in direct contact with and pressing against the upper end face of the silicon ingot to be cut 600. The upper core shaft 220 is used for connecting the pressing head 210 with the lifting mechanism 400, so that the pressing head 210 can rotate under the action of external force. The mounting plate 230 is used for mounting the upper tightening member 250 so as to selectively set the mounting position of the upper tightening member 250 as desired. The upper packing 250 is used to hold the skin to be cut at the upper end face of the silicon ingot 600. The rotation driving unit is used for driving the mounting plate 230 to rotate, thereby driving the upper jacking piece 250 to move for a preset angle such as 90 degrees when needed, so as to open the space above the cladding, and when the cladding is large, the rim charge collecting mechanism is convenient to drive the cladding to move downwards, so as to break the water film generated by spray cooling between the cladding and the silicon crystal bar material 600.

The lower clamping mechanism 300 is used for pressing the lower end surface of the to-be-sliced silicon ingot 600. Specifically, the lower clamping mechanism 300 is disposed opposite to the upper clamping mechanism 200 so as to simultaneously clamp the silicon crystal ingot 600 from the upper and lower ends. Specifically, the lower clamping mechanism 300 includes a base 310, a rotary table 320 and a lower clamping member 330, the rotary table 320 is disposed on the base 310, and the lower clamping member 330 is disposed on a side of the rotary table 320. The base 310 is used for mounting the rotary table 320. The rotary table 320 is used for placing the silicon crystal bar stock 600 to be cut, and the rotary table 320 can be used for driving the silicon crystal bar stock 600 placed on the rotary table to rotate. After the cutting of first evolution in the back, if there are other sides that need the evolution, that is taking away the cladding of last evolution after, go up fixture 200 and fixture 300 again and cooperate and press from both sides tight back to silicon crystal bar 600, swivel work head 320 rotates and drives silicon crystal bar 600 and pressure head 210 and rotate simultaneously, after rotating preset angle such as 90, so that carry out the cutting of evolution once more, device simple structure, silicon crystal bar 600 position control is quick, can increase substantially silicon crystal bar 600's cutting efficiency.

In this embodiment, the lifting mechanism 400 is disposed on the support frame 100, the upper clamping mechanism 200 is connected to the lifting mechanism 400, the silicon crystal bar 600 to be cut is placed on the rotary table 320 of the lower clamping mechanism 300, the upper clamping mechanism 200 is driven by the lifting mechanism 400, the ram 210 presses on the upper end surface of the silicon crystal bar 600, the wire saw cutting mechanism 500 is moved to a position with a specified cutting size, the upper and lower clamping members 250 and 330 act against the skin material of the silicon crystal bar 600, the wire saw cutting mechanism 500 performs cutting on the silicon crystal bar 600, the skin material cut by cutting is clamped by the upper and lower clamping members 250 and 330, and then the edge skin is clamped by the edge material clamping mechanism, the upper clamping member 250 releases the silicon crystal bar 600, when the length of the silicon crystal bar 600 to be cut is short, the water film adhesion of the edge skin is relatively small, can directly remove along the horizontal direction through rim charge collection mechanism and take away the boundary leather, when the silicon crystal bar 600 length of treating the evolution is longer, the water film adhesive force of its boundary leather is great relatively, the rotary drive unit who goes up fixture 200 this moment rotates through drive mounting panel 230, make last fastener 250 let open the space of cladding material top, make the boundary charge press from both sides the device and can follow vertical direction upward movement a little distance under the state of cliping the boundary charge, just can destroy the absorption of boundary charge by the water film, then the boundary charge collection mechanism can directly remove along the horizontal direction and take away the boundary leather. After the cutting of the silicon crystal bar 600 is completed once, the silicon crystal bar 600 can be rotated by a preset angle as required under the condition that the upper clamping mechanism 200 and the lower clamping mechanism 300 clamp the current silicon crystal bar 600, so as to perform the next cutting operation. In this scheme, clamping device's structure is comparatively simple, and the stability in use is better, and the cladding after 600 evolution of silicon crystal bar is collected more conveniently, and the commonality is stronger.

Referring to fig. 1 to 3, as a preferred embodiment of the present invention, the lifting mechanism 400 includes a lifting cylinder 410, a first slide rail 420, a first slider 430 and a first slide plate 440, the lifting cylinder 410 is connected to the first slide plate 440, the first slide rail 420 is vertically disposed along a sidewall of the supporting frame 100, the first slide plate 440 is assembled on the first slide rail 420 through the first slider 430, and the rotation driving unit is fixed on the first slide plate 440. The lifting cylinder 410 serves as a power supply unit for movement of the upper clamping mechanism 200. The first sliding plate 440 serves as a connection member between the lifting cylinder 410 and the upper clamping mechanism 200 so as to drive the upper clamping mechanism 200 to move. The first sliding plate 440 is fixed to the supporting frame 100 through the first sliding block 430 and the first sliding rail 420, so that the movement of the first sliding block 430 is more stable, and the stability of the cutting is improved.

As shown in fig. 1 to 3, in a further preferred embodiment, the lifting mechanism 400 further includes a second slide rail 450, a second slider 460 and a second slide plate 470, the second slide rail 450 is vertically disposed along the other side wall of the supporting frame 100 and is perpendicular to the first slide rail 420, the second slide plate 470 is assembled on the second slide rail 450 through the second slider 460, the first slide plate 440 is fixedly connected to the second slide plate 470, and the rotation driving unit is fixed to the second slide plate 470. In this embodiment, first slide 440 and second slide 470 constitute a whole, and first slide 420 and second slide 450 are laid perpendicularly, and the structural setting is more reasonable, can increase substantially structural stability, guarantees cutting accuracy.

In a specific embodiment, the lifting cylinder 410 is a rodless cylinder 241, and a piston of the rodless cylinder 241 is connected with the first sliding plate 440, so that the installation space can be saved, and the structure of the clamping device is more compact.

Referring to fig. 1 and 2, as an optimal structure of the present invention, the rotation driving unit includes a cylinder 241 and a gear 242, a tooth socket is formed on an expansion link of the cylinder 241, the gear 242 is engaged with the expansion link through the tooth socket, and the pressing head 210 is fixed to the gear 242. As shown in fig. 3, in this embodiment, the cylinder 241 drives the gear 242 engaged with the tooth space of the telescopic rod to rotate by driving the telescopic rod, so as to drive the mounting plate 230 to move, and further realize the adjustment of the position of the upper fastening member 250, preferably, the upper fastening member is rotated by 90 degrees, so as to prevent the leather from moving well to cause interference. When the silicon crystal bar 600 length of treating the evolution is longer, because the evolution formula sprays water washing, the water film adhesive force of its flaw-piece is great relatively, makes last fastener 250 let the space of opening the cladding top this moment, makes the device can follow vertical direction upward movement a little distance under the state of cliping the rim charge for the rim charge presss from both sides the device, just can destroy the absorption of rim charge by the water film, then the rim charge collection mechanism can directly remove along the horizontal direction and take away the flaw-piece. Of course, in some other embodiments, the rotation driving unit may also be a motor and gear 242 structure, and it is sufficient to drive the mounting plate 230 to rotate.

Referring to fig. 1 and 2, as a preferred embodiment of the present invention, there are two upper pressing members 250, and the two upper pressing members 250 are disposed on opposite sides of the ram 210. Two upper top members 250 are arranged to be capable of being pushed against the leather on the two sides of the silicon crystal bar material 600 to be cut, so that one-time double-knife cutting work is performed, and the cutting efficiency of the silicon crystal bar material 600 is improved. Specifically, the upper clamping member 250 is an air cylinder 241, and a telescopic rod of the air cylinder 241 can be abutted against the silicon crystal bar stock 600 to be cut. In other embodiments, the upper tightening member 250 may be a hydraulic cylinder. In a preferred embodiment, the cylinder 241 and one end of the telescopic rod of the hydraulic cylinder are provided with a top block to improve the stability of the jacking action. Referring to fig. 1, 2 and 5, it is suitable that the number of the lower tightening members 330 is two, and the two lower tightening members 330 are disposed on opposite sides of the rotating table 320. Specifically, the lower clamping member 330 is a double-rod cylinder 241, and two telescopic rods of the double-rod cylinder 241 can abut against the silicon crystal bar 600 to be opened. Two rods are used for supporting the lower end face of the silicon crystal bar material 600 in an abutting mode, and the clamping of the cladding material in the cutting process is more stable.

In the embodiment shown in fig. 1, 5 and 6, the rotary table 320 includes a rotary motor 321, a speed reducer 322 and a table 323, and the rotary motor 321 is connected to the table 323 through the speed reducer 322. The rotating motor 321 provides power for the rotating motion of the workbench 323, and the speed reducer 322 is used for reducing the high rotating speed of the rotating motor 321 so as to prevent the rotating platform from rotating too fast to cause unstable motion and influence normal squaring cutting work. In a specific embodiment, after the cutting of the silicon crystal ingot 600 is completed once, the silicon crystal ingot 600 can be rotated by a preset angle through the rotary table 320 in the case that the current silicon crystal ingot 600 is clamped by the upper and

lower clamping mechanisms

200 and 300 as required, so as to perform the next cutting operation.

It should be noted that, although the above embodiments have been described herein, the scope of the present invention is not limited thereby. Therefore, based on the innovative concept of the present invention, the changes and modifications of the embodiments described herein, or the equivalent structure or equivalent process changes made by the contents of the specification and the drawings of the present invention, directly or indirectly apply the above technical solutions to other related technical fields, all included in the scope of the present invention.

Claims

1. A silicon crystal bar clamping device of a squaring machine is characterized by comprising a support frame, an upper clamping mechanism, a lower clamping mechanism and a lifting mechanism;

2. The squarer silicon crystal bar clamping device according to claim 1, wherein the lifting mechanism comprises a lifting cylinder, a first slide rail, a first slide block and a first slide plate, the lifting cylinder is connected with the first slide plate, the first slide rail is vertically arranged along one side wall of the support frame, the first slide plate is assembled on the first slide rail through the first slide block, and the rotary driving unit is fixed on the first slide plate.

3. The device for clamping silicon crystal bar stock of a squarer as claimed in claim 2, wherein the lifting mechanism further comprises a second slide rail, a second slide block and a second slide plate, the second slide rail is vertically arranged along the other side wall of the support frame and is perpendicular to the first slide rail, the second slide plate is assembled on the second slide rail through the second slide block, the first slide plate is fixedly connected with the second slide plate, and the rotary driving unit is fixed on the second slide plate.

4. The squarer silicon crystal bar holding device of claim 2 wherein the lifting cylinder is a rodless cylinder, the piston of which is connected to the first slide plate.

5. The device for clamping silicon crystal bar stock of squarer as claimed in any one of claims 2 to 4, wherein the rotary driving unit comprises a cylinder and a gear, the telescopic rod of the cylinder is provided with a tooth socket, the gear is meshed with the telescopic rod through the tooth socket, and the pressure head is fixed with the gear.

6. The squarer silicon crystal ingot clamping device of claim 1 wherein there are two upper clamping members, the two upper clamping members being disposed on opposite sides of the ram.

7. The squarer silicon crystal bar clamping device according to claim 6, wherein the upper clamping piece is a cylinder, and a telescopic rod of the cylinder can abut against the silicon crystal bar to be squared.

8. The squarer silicon crystal bar holding device of claim 1 wherein the lower tightening member is two, the two lower tightening members being disposed on opposite sides of the rotary table.

9. The squarer silicon crystal bar clamping device of claim 8 wherein the lower top piece is a double rod cylinder with two telescopic rods that can abut against the silicon crystal bar to be squared.

10. The squarer silicon crystal bar holding device of claim 1 wherein the rotary table comprises a rotary motor, a speed reducer and a table, the rotary motor is connected to the table through the speed reducer.