CN114311352A

CN114311352A - Silicon rod cutting and grinding system and silicon rod cutting and grinding method thereof

Info

Publication number: CN114311352A
Application number: CN202111568655.5A
Authority: CN
Inventors: 孙鹏; 范国强
Original assignee: Leshan Gaoce New Energy Technology Co ltd
Current assignee: Qingdao Gaoce Technology Co Ltd
Priority date: 2021-12-21
Filing date: 2021-12-21
Publication date: 2022-04-12

Abstract

The embodiment of the application provides a silicon rod cutting and grinding system and a silicon rod cutting and grinding method thereof. Silicon rod cutting grinding system includes: a machine base; the rotary platform is rotatably arranged on the base; the fixing device is fixed on the rotating platform and used for fixing the vertically placed silicon rod; the first cutting device, the second cutting device and the grinding device sequentially surround the outer side of the rotating platform and are fixed on the machine base; the rotating platform is used for rotating the silicon rods fixed by the fixing device to the first cutting device, the second cutting device and the grinding device in sequence for operation. According to the silicon rod cutting and grinding system, on one hand, the overall structure of the silicon rod cutting and grinding system is compact in layout, and on the other hand, the silicon rods can be rapidly and stably taken to each processing device by the rotating platform to perform corresponding processing operation.

Description

Silicon rod cutting and grinding system and silicon rod cutting and grinding method thereof

Technical Field

The application relates to the technical field of silicon rod cutting, in particular to a silicon rod cutting and grinding system and a silicon rod cutting and grinding method thereof.

Background

At present, with the importance and the openness of the society on the utilization of green renewable energy sources, the field of photovoltaic solar power generation is more and more valued and developed. In the field of photovoltaic power generation, conventional crystalline silicon solar cells are fabricated on high quality silicon wafers that are cut by wire saw from a pulled or cast silicon rod, i.e. wire cutting technique.

The wire cutting technology is an advanced cutting processing technology in the world at present, and the principle of the wire cutting technology is that a diamond wire moving at a high speed rubs a workpiece to be processed (such as a silicon rod, sapphire or other semiconductor hard and brittle materials) to cut a square rod, so that the cutting purpose is achieved. Compared with the traditional knife saw blade, grinding wheel and internal circle cutting, the linear cutting technology has the advantages of high efficiency, high productivity, high precision and the like.

The existing silicon rod cutting and grinding system cannot meet the requirements of the photovoltaic industry on silicon wafers.

The above information disclosed in the background section is only for enhancement of understanding of the background of the present application and therefore it may contain information that does not form the prior art that is known to those of ordinary skill in the art.

Disclosure of Invention

The embodiment of the application provides a silicon rod cutting and grinding system with a novel structure and a silicon rod cutting and grinding method thereof.

The embodiment of the application provides a silicon rod cutting grinding system, includes:

a machine base;

the rotary platform is rotatably arranged on the base;

the fixing device is fixed on the rotating platform and used for fixing the vertically placed silicon rod;

the first cutting device, the second cutting device and the grinding device sequentially surround the outer side of the rotating platform and are fixed on the machine base;

the rotating platform is used for rotating the silicon rods fixed by the fixing device to the first cutting device, the second cutting device and the grinding device in sequence for operation.

In the implementation, the first cutting device and the grinding device are arranged oppositely;

the silicon rod cutting and grinding system further comprises a transfer device, and the transfer device is movably connected to one side, opposite to the second cutting device, of the machine base;

the fixing device comprises a fixing column and at least three silicon rod longitudinal fixing mechanisms, and the silicon rod longitudinal fixing mechanisms are arranged on the side face of the fixing column at intervals.

The embodiment of the application also provides a silicon rod cutting and grinding method, which comprises the following steps:

rotating the rotating platform to rotate the first silicon rod to the first cutting device;

the two cutting machine head mechanisms of the first cutting device move from top to bottom to cut the first silicon rod for the first time to form a first middle rod and two back-to-back edge skins;

taking the two hems away, and upwards resetting the two cutting machine head mechanisms of the first cutting device;

continuing to rotate the rotating platform, rotating the first intermediate rod to the second cutting device, and simultaneously rotating the second silicon rod to the first cutting device;

the two cutting machine head mechanisms of the second cutting device move from top to bottom to cut the first middle rod for the second time to form a first square rod and two opposite side skins; simultaneously, the two cutting machine head mechanisms of the first cutting device move from top to bottom to cut the second silicon rod for the first time;

take the flaw-piece away, two cutting machine head mechanisms of the first cutting device and two cutting machine head mechanisms of the second cutting device reset upwards.

Due to the adoption of the technical scheme, the embodiment of the application has the following technical effects:

according to the silicon rod cutting and grinding system, the fixing device is fixed on the rotating platform, namely the rotating platform and the fixing device are fixed into a whole and are rotatably arranged on the base. The fixing device is used for fixing the vertically placed silicon rod, so that the rotating platform rotates to drive the vertically placed silicon rod fixed by the fixing device to rotate. The first cutting device, the second cutting device and the grinding device sequentially surround the outer side of the rotating platform and are fixed on the machine base. Therefore, the silicon rods which are vertically placed and fixed by the fixing device are driven by the rotating platform to rotate to the first cutting device, the second cutting device and the grinding device in sequence, and the first cutting device, the second cutting device and the grinding device are used for carrying out corresponding processing operation. According to the silicon rod cutting and grinding system, the three processing devices, namely the first cutting device, the second cutting device and the grinding device, are arranged around the rotating platform in a surrounding mode, on one hand, the overall structure of the silicon rod cutting and grinding system is compact in layout, and on the other hand, the rotating platform can rapidly and stably bring the silicon rods to the processing devices to perform corresponding processing operation.

Drawings

Fig. 1 is a schematic diagram illustrating a cutting process of a silicon rod cutting and grinding system according to an embodiment of the present disclosure;

fig. 1A is a schematic view of a silicon rod cutting and grinding system according to an embodiment of the present disclosure;

FIG. 1B is a schematic view of a rotary platform and a fixture of the silicon rod cutting and grinding system shown in FIG. 1A;

FIG. 1C is a schematic view of a fixture of the silicon rod cutting and grinding system shown in FIG. 1A;

FIG. 1D is a schematic diagram of the cutting device cutting of the silicon rod cutting and grinding system shown in FIG. 1A;

FIG. 1E is a partial schematic view of the cutting apparatus shown in FIG. 1D;

FIG. 1F is a schematic view of a grinding device of the silicon rod cutting and grinding system shown in FIG. 1A;

fig. 2A is a schematic view of a loading and unloading device of a silicon rod cutting and grinding system according to an embodiment of the present application;

FIG. 2B is a schematic view of another angle of FIG. 2A;

FIG. 2C is an enlarged view of a portion of FIG. 2B;

FIGS. 3A, 3B and 3C are schematic diagrams of a transfer device of a silicon rod cutting and grinding system according to an embodiment of the present application;

FIGS. 3D and 3E are schematic views of the upper and lower jaw assemblies of the transfer device of FIG. 3A;

FIG. 4A is a schematic view of a cutter head mechanism of a cutting device of a silicon rod cutting and grinding system according to an embodiment of the present application;

fig. 4B is a schematic view illustrating that the silicon rod is cut by two cutting head mechanisms of the same cutting device of the silicon rod cutting and grinding system according to the embodiment of the present application from top to bottom;

FIGS. 4C and 4D are schematic views showing two fillets formed by one cutting in FIG. 4B being removed from the through hole of the head;

FIG. 4E is a schematic view of the support frame, infeed mechanism, and vertical infeed mechanism of the cutting apparatus shown in FIG. 1A;

FIG. 4F is a schematic view of the silicon rod longitudinal holding mechanism of the silicon rod cutting and grinding system shown in FIG. 1A clamping the silicon rod;

fig. 4G is a schematic view of the silicon rod longitudinal fixing mechanism shown in fig. 4F.

Description of reference numerals:

the machine base 1 is provided with a machine base,

a feeding and discharging device 2, a round bar feeding frame 211, a round bar supporting mechanism 212, a round bar clamping block 213, a round bar clamping cylinder 214, a clamping block displacement measuring device 215, a feeding and discharging supporting frame 23, a feeding turnover cylinder 216, a speed reduction proximity switch 217, a square bar feeding component 22,

the transferring device 3, the feeding and discharging clamping jaw frame 31, the transferring gas-liquid cylinder 321, the gas-liquid converter 322, the transferring gas cylinder 323, the transferring clamping jaw fixing plate 331, the left clamping jaw 332-1, the right clamping jaw 332-2, the silicon rod detection probe 333, the vertical guide rail 341, the transferring clamping jaw cylinder 351, the connecting plate 352, the rack 353, the synchronizing gear 354 and the rotary seat 361,

a first cutting device 4-1, a second cutting device 4-2, a grinding device 4-3,

a composite grinding body 4-31, a grinding support frame 4-32,

a cutting machine head mechanism 41, a wire saw mounting frame 411, a machine head through hole 411-1, a driving wheel assembly 412-1, a lower transition wheel 412-2, a tension wheel assembly 412-3, an upper transition wheel 412-4,

a silicon rod longitudinal fixing mechanism 42, a chuck frame 421, an upper floating head 422, an edging support mounting part 423-1, a holding rod fixing part 423-2, an edging holding rod 423-3, an edging driving cylinder 423-4, a chuck frame vertical moving guide rail 424,

a silicon rod supporting mounting base 431, a lower floating head 432, a lower floating head supporting head 432-1, a flaw-piece supporting head 433-1, a flaw-piece supporting cylinder 433-2, a silicon rod rotating shaft 434-1, a silicon rod driving motor 434-2,

the support frame 44 is supported on the frame,

lateral feed mechanism 451, wire saw lateral slide 451-1, vertical feed mechanism 452, wire saw vertical slide 452-1, stop pin 461, stop bar 462,

a flaw-piece clamping mechanism 47, a clamping fixing seat 471, a primary arm 472-1, a secondary arm 472-2, a flaw-piece clamping claw 473, a flaw-piece clamping claw mounting plate 473-1, a bottom clamping claw 473-2, a top clamping claw 473-3,

the assembly 48 of the flaw-piece collection,

the platform 5 is rotated in such a way that,

and a fixing device 6.

Detailed Description

Exemplary embodiments of the present application are described in further detail below with reference to the accompanying drawings.

The silicon rod cutting and grinding system is used for vertically cutting and grinding a vertically placed round silicon rod. The process of cutting the silicon rod is shown in fig. 1, and a round silicon rod is cut twice to form a square rod and four edge skins. Thereafter, the square bar is ground. A vertically arranged round silicon rod is also referred to as a vertically arranged round silicon rod.

As shown in fig. 1A, 1B, 1C, 1D and 1E, a silicon rod cutting and grinding system according to an embodiment of the present application includes:

a machine base 1;

the rotary platform 5 is rotatably arranged on the stand 1;

the fixing device 6 is fixed on the rotating platform 5 and used for fixing the silicon rod which is vertically placed;

the cutting device comprises a first cutting device 4-1, a second cutting device 4-2 and a grinding device 4-3, wherein the first cutting device 4-1, the second cutting device 4-2 and the grinding device 4-3 sequentially surround the outer side of the rotating platform and are fixed on the machine base;

the rotating platform 5 is used for rotating the silicon rod fixed by the fixing device 6 to the first cutting device 4-1, the second cutting device 4-2 and the grinding device 4-3 in sequence for operation.

As an alternative, the first cutting device and the grinding device are arranged opposite to each other;

The silicon rod longitudinal fixing mechanisms are at least three, and are matched with the three processing devices, so that the three processing devices can work simultaneously.

In operation, as shown in FIG. 1A, the first cutting device 4-1 and the grinding device 4-3 are disposed opposite to each other;

the silicon rod cutting and grinding system further comprises a transfer device 3, wherein the transfer device 3 is movably connected to one side, opposite to the second cutting device 4-2, of the machine base 1;

the fixing device comprises a fixing column and four silicon rod longitudinal fixing mechanisms 42, and the four silicon rod longitudinal fixing mechanisms 42 are arranged on the side surface of the fixing column in a mode of being opposite to each other in pairs.

In this way, the four silicon rod longitudinal fixing means of the fixing device can be arranged opposite to the side on which the first cutting device, the second cutting device, the grinding device and the transfer device are arranged, respectively. The silicon rod longitudinal fixing mechanism and the transfer device are positioned on the same side, and the transfer device can transfer the silicon rod to the position of the silicon rod longitudinal fixing mechanism on the same side for fixing. The rotating platform rotates by 90 degrees, the silicon rod is rotated to a first cutting device to be cut for the first time, and a middle rod and two side skins which are arranged oppositely are formed; taking the two hems away; the rotating platform rotates for 90 degrees again, the middle rod is rotated to the second cutting device, and the middle rod is cut for the second time after being rotated for 90 degrees to form a square rod and two side skins which are arranged oppositely; taking the two hems away; the rotating platform rotates for 90 degrees again, and the square rod is rotated to the grinding device for grinding; after the grinding is completed, the rotating platform rotates for 90 degrees again, the square rod is rotated to the transfer device, and the transfer device takes away the ground square rod. For convenience of description, the silicon rod cutting and grinding system of the embodiment of the application can process three silicon rods in sequence, and the processing part times of the three silicon rods are overlapped.

Specifically, the axes of the fixed column and the rotary platform are superposed. Therefore, when the fixed column and the rotary platform rotate, the phenomenon of eccentricity cannot occur, and the abrasion is small.

Specifically, the fixed column is a square column, and the four silicon rod longitudinal fixing mechanisms are arranged on four side faces of the square column in a mode of being back to back in pairs.

In this way, the square column and the four silicon rod longitudinal fixing means form a cross-shaped arrangement structure. The square column can conveniently install the silicon rod longitudinal fixing mechanism.

In an implementation, as shown in fig. 1A, the silicon rod cutting and grinding system further includes:

the feeding and discharging device 2 is arranged between the fixing device and the transferring device; the feeding and discharging device 2 is used for feeding round silicon rods and discharging cut square rods;

the transfer device 3 is used for transferring the silicon rod loaded by the feeding and discharging device 2 to the fixing device, and is used for transferring the ground square rod to the feeding and discharging device 2. Namely, the transfer device is used for transferring the silicon rods and the square rods between the feeding and discharging device 2 and the fixing device;

wherein, the transfer device can rotate to face the feeding and discharging device and the fixing device, and the transfer device can also move along a first direction between the feeding and discharging device and the fixing device and a second direction which is above the base and is vertical to the first direction, so as to realize the accurate transfer of the silicon rod between the feeding and discharging device 2 and the fixing device.

The first cutting device, the second cutting device and the grinding device share one set of the loading and unloading device 2 and the transfer device 3, so that the silicon rod cutting and grinding system has fewer parts and occupies smaller space.

Specifically, the first cutting device and the second cutting device are cutting devices with the same structure.

Structure of grinding device of silicon rod cutting and grinding system

In practice, as shown in fig. 1F, the grinding apparatus comprises:

grinding support frames 4-32 fixed on the machine base;

the composite grinding body 4-31 for carrying out rough grinding and fine grinding on the square rod is arranged on the front side of the grinding support frame 4-32 and can move from top to bottom to grind the vertically placed square rod.

The grinding supporting frame is a mounting base of the grinding device. The compound grinding body can realize the top-down motion, and the square rod that just vertically places after the cutting carries out corase grind and fine grinding.

Structure of cutting device of silicon rod cutting and grinding system

In practice, as shown in fig. 1A, 1D and 1E, the cutting device comprises:

a support frame 44 fixed on the base;

the two cutting machine head mechanisms 41 are arranged on the front side of the supporting frame 44, the two cutting machine head mechanisms 41 can synchronously move up and down to cut the silicon rod and form two opposite side skins;

two edge clamping mechanisms 47 which are respectively and fixedly arranged on two edge sides of the supporting frame 44;

a scrap collecting assembly 48 fixedly mounted to the back side of the support frame 44;

two of them the open end that cortex fixture 47 is used for cortex fixture 47 moves in opposite directions and enters into two centre gripping two kerbs between the cutting head mechanism 41, and back-to-back movement withdraws from two between the cutting head mechanism 41 to place the kerb in the cortex collection subassembly 48.

Like this, two cutting machine head mechanisms of braced frame's positive side-mounting move up and down in step, cut the silicon rod, form two kerbs that carry on the back mutually, and two kerbs that braced frame's two avris difference fixed mounting's two kerbs fixture can grasp two kerbs, and place two kerbs in braced frame's the fixed kerb collection component of dorsal side. Therefore, the cutting device is based on the supporting frame, and achieves cutting, taking out after clamping of the edge leather and collection of the edge leather. Make cutting device integrate a plurality of functions on the one hand, and the overall arrangement is compact, and on the other hand cutting device can collect the flaw-piece fast.

In practice, as shown in fig. 1A, 1D and 1E, the bark clamp 47 comprises:

a clamping fixing seat 471 fixed at the side of the supporting frame;

the clamping fixing seat 471 is hinged to one end of the primary arm 472-1, and the secondary arm 472-2 is hinged to one end of the secondary arm 472-2;

a flaw-piece gripper 473 hinged to the secondary arm 472-2 on the side remote from the primary arm 472-1;

and the clamping control unit is used for controlling the rotation of the primary arm, the secondary arm and the flaw-piece clamping claw.

Like this, the articulated department of centre gripping fixing base and one-level arm, the articulated department of one-level arm and second grade arm, the articulated department of second grade arm and boundary leather gripper jaw realizes through axis of rotation and shaft hole connection respectively. The rotation of centre gripping control unit control one-level arm, second grade arm and flaw-piece gripper jaw for the activity that the flaw-piece fixture can be nimble is taken out behind the realization from braced frame's positive side centre gripping flaw-piece, places in braced frame's dorsal side flaw-piece collection subassembly.

In practice, as shown in fig. 1E, the flaw-piece gripper 473 includes:

a flaw-piece jaw mounting plate 473-1;

the bottom clamping jaw 473-2 is fixed to the bottom end of the front side of the flaw-piece clamping jaw mounting plate 473-1, and the bottom clamping jaw 473-2 is used for bearing the lower end face of the silicon rod which is vertically arranged;

and a top jaw 473-3 slidably attached to the upper end of the obverse side of the flaw-piece jaw mounting plate 473-1, the top jaw 473-3 being capable of moving up and down.

The top jaw is capable of moving up and down so that the distance between the top jaw and the bottom jaw can be adjusted. The bottom clamping jaw can bear the lower end face of the vertically arranged silicon rod, and the top clamping jaw can move downwards to press the upper end face of the silicon rod, so that the flaw-piece is clamped.

In order to conveniently take out the edge leather after cutting, the structure of a cutting head mechanism of the cutting device is improved.

In implementation, the cutter head mechanism 41 is used for forming a cutting section which is horizontally arranged to cut the silicon rod which is vertically placed. As shown in fig. 4A, 4B, 4C and 4D, the cutter head mechanism 41 includes:

the wire saw mounting bracket 411 is provided with a vertical machine head through hole 411-1;

the annular diamond wire is arranged on the front side of the wire saw mounting frame 411, and cutting sections of the annular diamond wire and the machine head through hole 411-1 are arranged in a staggered mode, namely, the cutting sections and the machine head through hole are not interfered with each other; the cutting section is a part of the annular diamond wire used for cutting the silicon rod in motion;

the two flaw-piece clamping claws 473 are used for moving in opposite directions to clamp the flaw-piece from the head through hole 411-1 through entering the space between the two cutting head mechanisms 41, and moving in opposite directions to exit the space between the two cutting head mechanisms 41 from the head through hole 411-1 to take the flaw-piece out of the space between the two cutting head mechanisms 41.

The flaw-piece clamping claw forwards penetrates through the through hole of the machine head, and the flaw-piece clamping mechanism clamps the flaw-piece; the flaw-piece is then removed by pulling it back through the nose through-hole 411-1. During this process, the wire saw mount itself need not be moved. The cutting device has the advantages that the scroll saw mounting frame is provided with the machine head through hole, so that the process of removing the flaw-piece is realized, the scroll saw mounting frame does not need to be moved, the time is saved, the flaw-piece taking efficiency is improved, the process of removing the flaw-piece is simpler, and the efficiency of the silicon rod cutting and grinding system is higher.

Specifically, the handpiece through hole 411-1 is a vertically arranged elongated handpiece through hole.

In particular, the wire saw mount is a rigid wire saw mount.

In practice, as shown in fig. 4A, 4B, 4C and 4D, the cutting section is a transversely arranged cutting section and is lower than the through-hole 411-1 of the head.

The cutting machine head mechanism can move from top to bottom to cut the silicon rod. In the process that the cutting machine head mechanism moves from top to bottom, the vertically arranged silicon rod is cut by the horizontally arranged cutting section from top to bottom. After the cutting is finished, the cutting section is lower than the lower end surface of the silicon rod. At this time, in the process that the flaw-piece is moved away through the through hole of the machine head, the cutting section does not interfere with the moving flaw-piece because the cutting section is lower than the through hole of the machine head.

In practice, as shown in fig. 4A, the cutter head mechanism further includes:

a driving wheel assembly 412-1 and a lower transition wheel 412-2 which are respectively arranged at the front side of the wire saw mounting frame 411;

a tension wheel assembly 412-3 and an upper transition wheel 412-4 respectively arranged at the front side of the wire saw mounting frame 411;

the annular diamond wire is wound on the peripheral surfaces of the driving wheel assembly 412-1, the lower transition wheel 412-2, the tension wheel of the tension wheel assembly 412-3 and the upper transition wheel 412-4, the cutting sections are formed at the bottom ends of the driving wheel and the lower transition wheel, and the diamond wire is not interfered with the through hole of the machine head.

The driving wheel assembly is arranged at the lower part of the front side of the wire saw mounting frame. The tension wheel assembly applies tension to the annular diamond wire, so that the annular diamond wire keeps certain tension to effectively cut the silicon rod. The lower transition wheel and the upper transition wheel adjust the direction of the annular diamond wire.

In practice, as shown in fig. 4E, the cutting device 4 further comprises:

the transverse feeding mechanisms 451 correspond to the cutting machine head mechanisms 41 one by one, the cutting machine head mechanisms and the transverse feeding mechanisms 451 corresponding to the cutting machine head mechanisms are fixed, the two cutting sections are arranged oppositely, and the transverse feeding mechanisms 451 are connected with the supporting frames in a sliding mode relatively to drive the two cutting sections to be close to and far away from each other. The transverse feeding mechanism 451 is used for driving the two cutting head mechanisms 41 to move close to and away from each other and adjusting the distance between the cutting sections of the two cutting head mechanisms of the same cutting device.

Like this, under two transverse feeding mechanism's drive, two cutting head mechanisms of same cutting device can be close to and keep away from for the distance between the cutting section of two cutting head mechanisms of same cutting device can be adjusted. Namely, two cutting sections of the same cutting machine head mechanism are arranged in parallel, and the distance between the two cutting sections is adjustable. The beneficial effect brought is that cutting device can be applicable to the cutting to the silicon rod of multiple diameter for cutting device's commonality is very strong.

The transverse feeding mechanism and the vertical feeding mechanism form a feeding mechanism.

In practice, as shown in fig. 4E, the cutting device further comprises:

the vertical feeding mechanisms 452 corresponding to the transverse feeding mechanisms one by one are vertically fixed on the same side of the supporting frame 44 respectively, and the vertical feeding mechanisms 452 and the transverse feeding mechanisms 451 corresponding to the vertical feeding mechanisms are fixed to drive the cutting machine head mechanism to move in the vertical direction;

the two vertical feeding mechanisms 452 are used for driving the two transverse feeding mechanisms to move in the vertical direction, so as to drive the cutting head mechanism to move in the vertical direction.

Therefore, the vertical feeding mechanism can drive the transverse feeding mechanism corresponding to the vertical feeding mechanism to move in the vertical direction, and further drive the cutting head mechanism and the cutting section of the cutting head mechanism to move in the vertical direction, so that the silicon rod placed vertically is cut from top to bottom, and the cutting head mechanism and the cutting section of the cutting head mechanism are driven to reset after the cutting is completed every time.

In practice, as shown in fig. 4E, the infeed mechanism includes:

a nut of the wire saw transverse guide rail lead screw is fixed at the vertical feeding mechanism; the guide direction of the guide rail of the wire saw transverse guide rail lead screw is the direction in which the two cutting sections are close to and far away from each other;

the scroll saw transverse sliding plate 451-1 is fixed with the sliding block of the scroll saw transverse guide lead screw and is fixed with the cutting machine head mechanism;

the wire saw transverse driving motor and the wire saw transverse speed reducer are connected to output rotary motion to the wire saw transverse guide rail lead screw;

the scroll saw transverse guide lead screw is used for converting received rotary motion into linear motion of a guide rail of the scroll saw transverse guide lead screw, and the scroll saw transverse guide lead screw and the scroll saw transverse sliding plate drive the cutting machine head mechanism to move in the transverse direction.

The wire saw transverse guide screw and the wire saw transverse sliding plate realize a transverse feeding mechanism through a simple structure.

In practice, as shown in fig. 4E, the vertical feeding mechanism includes:

the nut of the wire saw vertical guide rail lead screw is fixed at the supporting frame; the guide direction of the guide rail lead screw of the vertical guide rail of the wire saw is vertical up and down;

the wire saw vertical sliding plate 452-1 is fixed with a sliding block of the wire saw vertical guide rail lead screw and is fixed with a nut of the wire saw transverse guide rail lead screw;

the wire saw vertical driving motor and the wire saw vertical speed reducer output rotary motion to the wire saw vertical guide rail lead screw;

the scroll saw vertical guide rail screw is used for converting received rotary motion into linear motion of a guide rail of the scroll saw vertical guide rail screw, and the transverse feeding mechanism and the cutting machine head mechanism move in the vertical direction through the sliding block of the scroll saw vertical guide rail screw.

The nut and the support frame of the lead screw of the vertical guide rail of the wire saw are fixed into a whole and are fixed relative to the machine base. The slide block of the lead screw of the vertical guide rail of the fretsaw and the nut of the lead screw of the transverse guide rail of the fretsaw are fixed into a whole. The sliding block of the scroll saw vertical guide rail lead screw, the scroll saw vertical sliding plate and the nut of the scroll saw transverse guide rail lead screw can move in the vertical direction as a whole, so that the transverse feeding mechanism is driven to move in the vertical direction, and the cutting head mechanism and the cutting section of the cutting head mechanism are driven to move in the vertical direction.

In an implementation, the cutting device further comprises:

and the feeding control unit is respectively connected with two wire saw transverse driving motors and two wire saw vertical driving motors of the same cutting device, is used for controlling the distance between the cutting sections of the cutting head mechanism and is also used for controlling the movement of the cutting head mechanism in the vertical direction.

The feed control unit, coping saw horizontal driving motor and coping saw vertical driving motor cooperation have realized that the distance in the transverse direction can be convenient control between the cutting section of two cutting head mechanisms, have also realized that the cutting section of two cutting head mechanisms cuts at the motion of vertical direction, and the cutting is can be controlled promptly.

In practice, as shown in fig. 4E, the vertical feeding mechanism further includes:

a blocking pin 461, a socket of the blocking pin 461 being fixed to an upper portion of a side surface of the support frame 44;

a stop bar 462 transversely fixed to the wire saw vertical slide 452-1;

when the cutting head mechanism moves to the highest position, the plug of the blocking bolt can stretch out to block the blocking strip from moving downwards, and then the vertical sliding plate of the scroll saw and the cutting head mechanism are prevented from moving downwards.

Through the cooperation that blocks the bolt and block the strip, realize coping saw vertical slide downstream through mechanical structure. When the cutting machine head mechanism moves to the highest position, personnel have the requirement of entering maintenance equipment below the cutting machine head mechanism, and the cutting machine head mechanism is likely to accidentally fall down to cause injury to the personnel. The cutting head mechanism is ensured not to accidentally fall by the mechanical barrier which blocks the cooperation of the plug pin and the barrier strip.

Structure of fixing device of silicon rod cutting and grinding system

In practice, as shown in fig. 1C and 4F, the silicon rod longitudinal fixing mechanism 42 includes:

a chuck holder vertical movement guide 424 fixed to a side of the fixing column;

the chuck frame 421, which is connected with the chuck frame vertical motion guide rail in a sliding way;

an upper floating head 422 installed at the clip frame 421; the clamping head frame can move up and down along the guide rail in the vertical direction of the clamping head frame so as to drive the upper floating head to press the upper end surface of the silicon rod which is vertically placed and the upper end surface of the square rod which leaves the ground square rod;

and the flaw-piece supporting frame is connected with the clamping head frame 421 and can extend downwards and reset upwards, is used for extending downwards and supporting the outer peripheral surface of the silicon rod, and is also used for resetting upwards to leave the outer peripheral surface of the silicon rod.

The clamping frame is a mounting base. The upper floating head is used for pressing the upper surface of the silicon rod which is vertically placed, so that the silicon rod is clamped in the vertical direction. During the process of cutting and grinding the silicon rod, the upper floating head can be inclined by a preset angle to reduce or eliminate the stress generated by cutting. In order that the edge skin formed by the cut silicon rod cannot topple, the edge skin supporting bracket is arranged. The flaw-piece supporting frame is connected with the chuck frame and can extend downwards and reset upwards. Like this, after the up end of silicon rod was arranged in to the cutting section, will hold up the flaw-piece support and stretch out downwards and hold up the outer peripheral face at the silicon rod for cutting the silicon rod at the cutting section and forming square rod and flaw-piece, holding up the flaw-piece support and hold up the flaw-piece in the upper end outside, avoid the possibility that the flaw-piece probably takes place to empty. When the kerb is required to be taken away, the kerb supporting frame is reset upwards, the kerb supporting frame is not in contact with the kerb any more, and the kerb can be taken away.

Specifically, the collet is a rigid collet.

Specifically, the chuck frame can move up and down, and the upper floating head is used for pressing the upper end face of the silicon rod which is vertically placed.

Specifically, the upper floating head is mounted on a downward end surface of the clamping head frame.

Therefore, the upper floating head can be conveniently pressed on the upper end surface of the vertically placed silicon rod and can also be conveniently separated from the upper end surface of the cut silicon rod.

In practice, as shown in fig. 4F, the support of the body of the flaw-piece comprises:

the supporting frame mounting piece 423-1 is fixed with the chuck frame;

the device comprises a handrail fixing piece 423-2 and an edge leather handrail 423-3, wherein the edge leather handrail 423-3 is fixed on one side of the handrail fixing piece 423-2, which is far away from the upper floating head, and extends downwards;

and the edge supporting leather driving device is respectively connected with the edge supporting leather bracket mounting part and the supporting rod fixing part and is used for driving the supporting rod fixing part and the edge supporting leather supporting rod to extend downwards and reset upwards.

Specifically, as shown in fig. 4F, the flaw-piece supporting driving device is a flaw-piece supporting driving cylinder 423-4, a cylinder body of the flaw-piece supporting driving cylinder is fixed to the flaw-piece supporting bracket mounting part 423-1, a guide rod of the flaw-piece supporting driving cylinder is fixed to the supporting rod fixing part 423-2, and the guide rod of the flaw-piece supporting driving cylinder stretches and retracts to drive the supporting rod fixing part 423-2 and the flaw-piece supporting rod 423-3 to extend downward and return upward.

The holding rod fixing piece and the flaw-piece holding rod are fixed into a whole and connected with the holding flaw-piece support mounting piece through the holding flaw-piece driving cylinder. The guide rod of the flaw-piece driving cylinder is held up to extend, the rod fixing part and the flaw-piece holding rod extend downwards as a whole, and the flaw-piece holding rod is held up to hold up the outer peripheral surface of the silicon rod. The guide rod of the flaw-piece driving cylinder is held back, the rod fixing part and the flaw-piece holding rod are held back upwards as a whole, and the flaw-piece holding rod is driven to retract upwards to leave the silicon rod.

In operation, as shown in FIG. 4F, four of the edge bark holding rods 423-3 are fixed around one of the holding rod fixing members 423-2.

Like this, two flaw-pieces are held up the pole by four flaw-pieces of a pole mounting and are held up in the outer peripheral face department of silicon rod, and each flaw-piece is held up the pole by two flaw-pieces.

After the cutting section is arranged on the upper end face of the silicon rod which is vertically placed, the flaw-piece supporting rod extends downwards to be supported on the outer peripheral face of the silicon rod. After the single cut is completed, the flaw-piece holding rod retracts upwards, and the two flaw-pieces are removed.

In practice, as shown in fig. 4G, the silicon rod longitudinal fixing mechanism further includes:

a silicon rod support mount 431, the silicon rod support mount 431 being fixed on the rotary platform;

and the lower floating head 432 is used for supporting the lower end surface of the vertical silicon rod, and is arranged above the silicon rod supporting and mounting seat 431.

In this way, the lower floating head itself can be inclined at a preset angle to reduce or offset the stress generated by the cutting during the silicon rod being cut. When the cutting section of the cutting machine head mechanism is cut from top to bottom, the stress generated by cutting can be reduced or replaced by the inclination of the lower floating head, so that edge breakage is prevented when the lower part of the silicon rod is cut.

In implementation, as shown in fig. 4G, the silicon rod longitudinal fixing mechanism further includes a flaw-piece supporting assembly, and the flaw-piece supporting assembly includes:

a driving device for supporting the flaw-piece, which is fixed on the silicon rod supporting installation seat 431 and is arranged at an interval with the lower floating head;

the flaw-piece supporting head 433-1 is used for supporting the position of a flaw-piece formed after the lower end surface of the silicon rod is cut, and the flaw-piece supporting head 433-1 is fixed at the top end of the driving device for supporting the flaw-piece; the driving device for supporting the flaw-piece is used for locking when the silicon rod is cut into the square rod and the flaw-piece so that the flaw-piece supporting head keeps the height and supports the flaw-piece.

The process of fixing the silicon rod by the silicon rod longitudinal fixing mechanism is as follows:

firstly, the flaw-piece supporting head is positioned at an initial position, and the top end of the flaw-piece supporting head positioned at the initial position is lower than the top end of the lower floating head supporting head;

then, the silicon rod is placed on the lower floating head, and the lower floating head supporting heads are supported with the lower end surface of the silicon rod;

then, the flaw-piece supporting head is tightly pushed upwards, and the driving device for supporting the flaw-piece locks the height of the flaw-piece supporting head;

and finally, pressing the upper floating head on the upper end surface of the silicon rod.

When the cutting section of the cutting machine head mechanism is cut from top to bottom, the floating head is slightly inclined under the drive of the stress generated by cutting, and the flaw-piece supporting head always supports the flaw-piece; therefore, the lower floating head is matched with the edge skin supporting head, the stress generated by cutting is reduced or replaced, and the edge breakage is prevented when the lower part of the silicon rod is cut.

In practice, as shown in FIG. 4G, the driving device for supporting the flaw-piece is a cylinder 433-2 for supporting the flaw-piece;

the cylinder body of the flaw-piece supporting cylinder 433-2 is fixed to the silicon rod supporting mounting seat 431, and the guide rod of the flaw-piece supporting cylinder 433-2 is fixed to the flaw-piece supporting head 433-1.

In operation, as shown in FIG. 4G, the lower floating head has three lower floating head support heads 432-1 protruding upward, and the three lower floating head support heads 432-1 are located at the three vertices of a triangle. The three lower floating head support heads are capable of defining a plane such that each of the three lower floating head support heads supports the lower end surface of the silicon rod.

In practice, the upper floating head has three upper floating head pressing heads protruding downwards, and the three upper floating head pressing heads are positioned at three vertexes of a triangle. The three upper floating head pressing heads can determine a plane, so that each of the three upper floating head pressing heads is pressed on the lower end face of the silicon rod.

When the cutting section of the cutting machine head mechanism is cut from top to bottom, the lower floating head is driven by the stress generated by cutting to slightly incline, and the upper floating head can compensate, so that the silicon rod can be stably clamped between the lower floating head and the upper floating head.

In implementation, the number of the side skin supporting assemblies is four, and the four side skin supporting assemblies are positioned at four top points of a rectangle; the two edge skin supporting assemblies are used for supporting one edge skin formed by cutting one silicon rod.

A pair of flaw-piece supporting component can carry out effectual support to a flaw-piece.

In practice, as shown in fig. 4G, the silicon rod longitudinal fixing mechanism further includes a silicon rod rotating assembly, and the silicon rod rotating assembly includes:

a silicon rod rotating shaft 434-1, wherein the lower floating head is fixed on the silicon rod rotating shaft 434-1, and the silicon rod rotating shaft 434-1 is rotatably connected on the silicon rod supporting installation seat 431;

and a silicon rod driving motor 434-2 fixed below the silicon rod supporting mount 431 and connected to the silicon rod rotating shaft 434-1 to drive the silicon rod rotating shaft 434 to rotate.

After a first cut of the silicon rod, the intermediate rod and the two rims are formed and the two rims are removed. Through the rotation of rotary platform, with the relative position of the second cutting device that the intermediate rod removed, at this moment, reset the downward motion of flaw-piece support head. The silicon rod driving motor drives the silicon rod rotating shaft to rotate 90 degrees, and drives the lower floating head and the silicon rod clamped between the lower floating head and the upper floating head to rotate 90 degrees. In order to realize the 90-degree rotation of the silicon rod, the silicon rod driving motor can actively drive the silicon rod rotating shaft to rotate for 90 degrees, and the silicon rod is passively rotated for 90 degrees to prepare for the second cutting of the second cutting device.

Structure of transfer device of silicon rod cutting and grinding system

As shown in fig. 1A, 3B and 3C, the transfer device 3 of the silicon rod cutting and grinding system includes:

a loading and unloading jaw frame 31;

the upper clamping jaw assembly and the lower clamping jaw assembly are arranged on the same side of the upper and lower clamping jaw frames 31 in parallel at intervals up and down;

and the transfer driving assembly is used for driving the upper clamping jaw assembly to move up and down in the vertical direction relative to the lower clamping jaw assembly and also used for driving the upper clamping jaw assembly and the lower clamping jaw assembly to move up and down synchronously. Wherein, the direction of the up-and-down motion of the upper clamping jaw component and the lower clamping jaw component is vertical.

Specifically, the transfer driving assembly comprises an upper clamping jaw transfer driving device which is respectively fixed with the lower clamping jaw assembly and the upper clamping jaw assembly and drives the upper clamping jaw assembly to move up and down relative to the lower clamping jaw assembly;

lower clamping jaw transports drive arrangement, respectively with go up unloading clamping jaw frame with lower clamping jaw subassembly is fixed and drives lower clamping jaw subassembly, last clamping jaw subassembly with go up clamping jaw transports drive arrangement and moves from top to bottom in step.

Through transporting drive assembly, two functions have been realized, firstly go up the gripper assembly and can make the distance between last gripper assembly and the lower gripper assembly grow by upward movement alone, can also make the distance between last gripper assembly and the lower gripper assembly reset and diminish by downward movement alone. Therefore, when the silicon rod or the square rod is short, the distance between the upper clamping jaw assembly and the lower clamping jaw assembly does not need to be adjusted, and only the lower clamping jaw assembly needs to be used for clamping; when the silicon rod or the square rod is long, the distance between the upper clamping jaw component and the lower clamping jaw component can be kept unchanged, and the upper clamping jaw component and the lower clamping jaw component can be clamped simultaneously; when the silicon rod or the square rod is long, the distance between the upper clamping jaw component and the lower clamping jaw component can be increased, and the silicon rod or the square rod can be stably clamped during transferring. Secondly, the silicon rod or the square rod is clamped by the transfer device, when the silicon rod or the square rod needs to be lifted for rotation, the distance between the upper clamping jaw component and the lower clamping jaw component is kept unchanged, and the silicon rod or the square rod is synchronously moved upwards, namely the clamped silicon rod or the square rod is lifted for transferring the silicon rod or the square rod; after the silicon rod or the square rod is transferred in place, the distance between the upper clamping jaw component and the lower clamping jaw component is kept unchanged, and the silicon rod or the square rod moves downwards synchronously, namely the clamped square rod or the square rod is put down.

In practice, as shown in fig. 3C, the transfer drive assembly comprises:

the cylinder body of the transfer pneumatic-hydraulic cylinder 321 is fixed to the bottom of the feeding and discharging clamping jaw frame 31, and the upper end of a guide rod of the transfer pneumatic-hydraulic cylinder 321 is fixed to the lower clamping jaw assembly;

a gas-liquid converter 322 connected to the transfer gas cylinder 321; the gas entering the gas-liquid converter 322 extrudes hydraulic oil into the transfer gas-liquid cylinder 321 to drive a guide rod of the transfer gas-liquid cylinder 321 to jack up the lower clamping jaw assembly; namely, the upper clamping jaw transfer driving device comprises a transfer gas cylinder 321 and a gas-liquid converter 322;

the cylinder body of the transfer cylinder 323 is fixed with the lower clamping jaw assembly, and the upper end of the guide rod of the transfer cylinder 323 is fixed with the upper clamping jaw assembly; the gas from the gas source entering the transfer cylinder 323 drives the guide rod of the transfer cylinder 323 to jack up the upper clamping jaw assembly; i.e. the lower jaw transfer drive comprises a transfer cylinder 323.

The combination mode of transporting the pneumatic-hydraulic cylinder and transporting the cylinder for transport drive assembly's structure less, can make transfer device's overall structure less.

Specifically, when a short silicon rod is clamped, the transfer cylinder is reset and retracted, and the transfer gas-liquid cylinder extends out; when the short silicon rod of centre gripping, transport the cylinder and stretch out simultaneously with transporting the pneumatic cylinder.

If the length of the silicon rod is more than or equal to 150mm and less than or equal to 400mm, only the lower clamping jaw assembly clamps the round silicon rod before cutting or the square rod after cutting, and then the transfer gas cylinder acts to lift the silicon rod or the square rod for transfer.

When the length of the silicon rod is more than 400mm and less than or equal to 850mm, the distance between the upper clamping jaw assembly and the lower clamping jaw assembly is kept unchanged, and the silicon rod and the square rod jointly participate in clamping the round silicon rod before cutting or the square rod after cutting.

When the length of the silicon rod is larger than 850mm, the upper clamping jaw assembly and the lower clamping jaw assembly jointly participate in clamping the round silicon rod before cutting or the square rod after cutting, wherein the upper clamping jaw assembly can move up and down in the vertical direction of the upper and lower clamping jaw frames under the action of the transfer cylinder, and the upper clamping jaw assembly is suitable for clamping the round silicon rod before cutting or the square rod after cutting with different lengths.

In practice, as shown in fig. 3A, 3D and 3E, the upper jaw assembly and the lower jaw assembly each comprise:

a transfer jaw fixing plate 331;

a left clamping jaw 332-1 and a right clamping jaw 332-2 which are fixed on the front side of the transfer clamping jaw fixing plate 331 and are oppositely arranged, wherein the left clamping jaw 332-1 and the right clamping jaw 332-2 can move close to and away from each other to realize clamping and unclamping; one side of the transfer clamping jaw fixing plate for fixing the left clamping jaw and the right clamping jaw is the front side of the transfer clamping jaw fixing plate;

a silicon rod detection assembly fixed on the front side of the transfer jaw fixing plate 331, wherein a silicon rod detection probe 333 of the silicon rod detection assembly is positioned between the left clamping jaw 332-1 and the right clamping jaw 332-2;

the transfer device further comprises a silicon rod detection processing unit connected with the silicon rod detection component 333; wherein:

the silicon rod detection component is used for keeping a gap between the left clamping jaw 332-1 and the right clamping jaw 332-2 relatively far away from the silicon rod, namely, the silicon rod is not clamped, and when the bottom of the silicon rod is placed on the lower floating head to rotate, the silicon rod detection probe 333-1 of the silicon rod detection component is kept pressed on the outer peripheral surface of the silicon rod;

the silicon rod detection processing unit is used for obtaining the position of a crystal line of the silicon rod according to the signal of the silicon rod detection probe of the silicon rod detection component and judging whether the silicon rod meets the preset silicon rod standard.

In practice, as shown in fig. 3A, 3B and 3C, the transfer device further comprises:

two vertical guide rails 341 vertically arranged in parallel on one side of the transfer jaw fixing plate 331;

two transfer jaw sliding blocks fixed on the back side of the transfer jaw fixing plate 331, wherein the transfer jaw sliding blocks are connected with the vertical guide rail 341 in a sliding manner;

wherein, the guide bar upper end of transporting pneumatic-hydraulic cylinder 321 with lower jaw assembly's transportation clamping jaw fixed plate is fixed, transport cylinder 323 the guide bar upper end with upper jaw assembly's transportation clamping jaw fixed plate is fixed.

The transfer pneumatic-hydraulic cylinder can drive the whole lower clamping jaw assembly to move up and down in the height direction of the upper and lower feeding clamping jaw frames relative to the upper and lower feeding clamping jaw frames. The transfer cylinder can drive the whole clamping jaw assembly to move up and down in the vertical direction relative to the lower clamping jaw assembly.

In implementations, the upper jaw assembly and the lower jaw assembly each further comprise:

the clamping jaw synchronous reverse movement assembly is used for mounting the left clamping jaw and the right clamping jaw with the transfer clamping jaw fixing plate;

the clamping jaw synchronous reverse movement assembly is used for driving the left clamping jaw and the right clamping jaw to synchronously move in a reverse direction to be close to and far away from each other.

Therefore, the silicon rod can be conveniently clamped by the left clamping jaw and the right clamping jaw at the same time, and the silicon rod is loosened at the same time.

Specifically, as shown in fig. 3D and 3E, the jaw synchronized reverse motion assembly includes:

the cylinder body of the transfer clamping jaw cylinder 351 is fixed with the transfer clamping jaw fixing plate 331;

two connecting plates 352, the upper end of the guide rod of the transfer clamping jaw cylinder 351 is fixed with one of the connecting plates;

two racks 353, wherein the racks 353 are respectively fixed on the opposite sides of the two connecting plates 352;

the synchronizing gear 354 is engaged with the two racks 353.

Like this, the silicon rod or square rod is held to realization left clamping jaw and right clamping jaw that can be convenient simultaneously.

In an embodiment, the transfer device further comprises:

the feeding and discharging clamping jaw frame is fixed on the transferring rotating mechanism, and the transferring rotating mechanism is arranged on a base of the silicon rod cutting and grinding system;

the transfer rotating mechanism is used for driving the feeding and discharging clamping jaw frame to rotate and is also used for moving on the upper surface of the base.

The transfer rotating mechanism can drive the feeding and discharging clamping jaw frame to rotate and can move between the feeding and discharging device and the fixing device, and can drive the feeding and discharging clamping jaw frame to be close to and far away from the feeding and discharging device. In this way, two processes of transferring the silicon rod to the fixing device and transferring the cut square rod away from the fixing device can be realized. The process of transferring the silicon rod to the fixing device specifically includes:

turning the upper clamping jaw assembly and the lower clamping jaw assembly to the feeding and discharging device, enabling the upper clamping jaw assembly and the lower clamping jaw assembly to be close to a silicon rod vertically loaded by the feeding and discharging device, clamping the silicon rod and lifting the silicon rod;

retreating and rotating so that the silicon rod faces the fixing device;

in a silicon rod longitudinal fixing mechanism, the silicon rod is put down and loosened without clamping; completing the transfer of one silicon rod.

The process of transporting the cut square bars away from the fixing device specifically comprises:

turning the upper clamping jaw assembly and the lower clamping jaw assembly to the ground square rod, clamping the cut square rod and lifting the square rod;

being close to unloader to the square bar unloading subassembly of unloader makes progress, places the square bar in square bar unloading subassembly, accomplishes the transportation of a square bar, and follow-up unloading is accomplished by square bar unloading subassembly.

Specifically, as shown in fig. 3A, the transfer rotation mechanism mainly comprises a transfer motor, a transfer harmonic reducer, and a rotary base 361. The flexible gear of harmonic reducer ware is being installed simultaneously on the revolving bed 361, and the steel wheel of harmonic reducer ware is installed on last unloading clamping jaw frame, transports the motor like this and makes last unloading clamping jaw frame be stable rotary motion on the revolving bed through transporting harmonic reducer ware, owing to transport harmonic reducer ware and can eliminate reverse clearance for the silicon rod transports the material loading precision and improves greatly. And a rotary drag chain is simultaneously arranged on the rotary seat and used for wiring and piping in rotary motion. The transfer harmonic speed reducer greatly improves the transfer precision of the silicon rod.

Structure of feeding and discharging device of silicon rod cutting and grinding system

In the implementation, as shown in fig. 1A, fig. 2B and fig. 2C, the loading and unloading device 2 of the silicon rod cutting and grinding system includes a round rod loading assembly, and the round rod loading assembly includes:

an L-shaped round bar feeding frame 211;

the loading and unloading device further comprises:

the feeding and discharging support frame 23 is rotatably connected with the round bar feeding frame 211;

the feeding overturning driving device is respectively fixed with the bottom of the feeding and discharging supporting frame and the outer bottom of the round bar feeding frame, and is used for driving the round bar feeding frame to overturn for 90 degrees from the initial position of the round bar feeding frame;

and the feeding processing unit is used for controlling the feeding overturning driving device to control the round bar feeding frame to overturn at an accelerated speed, and when the round bar feeding frame overturns to reach a preset angle, the overturning speed of the round bar feeding frame is reduced until the round bar feeding frame overturns to 90 degrees.

Specifically, the value range of the preset angle is greater than or equal to 60 degrees and less than or equal to 85 degrees.

In implementation, the feeding overturning driving device adopts a feeding overturning oil cylinder 216;

the cylinder body of the feeding turnover cylinder 216 is fixed at the bottom of the feeding and discharging support frame, the upper end of a guide rod of the feeding turnover cylinder 216 is fixed with the outer bottom of the round bar feeding frame 211, and the feeding turnover cylinder 216 is used for driving the round bar feeding frame 211 to turn 90 degrees from the initial position of the round bar feeding frame;

the feeding processing unit is specifically configured to reduce the extension speed of the feeding and overturning oil cylinder 211 when the round rod feeding frame 211 is overturned to reach a preset angle, so as to reduce the overturning speed of the round rod feeding frame 211.

In the implementation, as shown in fig. 2A and 2B, the loading and unloading device further includes:

the deceleration approach switch 217 is connected with the feeding processing unit and is fixed at the position where the long arm of the round bar feeding frame turns to a preset angle;

the feeding processing unit is specifically used for adjusting the flow of an oil inlet of the feeding overturning oil cylinder to reduce the overturning speed until the oil inlet is overturned to 90 degrees after receiving the in-place signal of the deceleration approach switch.

The cooperation of speed reduction proximity switch and material loading processing unit through simple structure, has realized that the work or material rest is when the upset is close 90 degrees on the pole, and when the silicon rod upset was close 90 degrees promptly, the reduction of upset speed for the speed when silicon rod upset was to 90 degrees is lower, and is less to the impact of silicon rod, has played the effect of protection silicon rod.

In implementation, as shown in fig. 2A and 2B, the inner side of the short arm of the round bar loading frame 211 is a length measurement reference plane 211-1;

the round bar feeding assembly further comprises:

the round rod supporting mechanism 212 is fixed on the inner side of the long arm of the round rod feeding frame 211 and is used for supporting a horizontally placed round silicon rod when the long arm of the round rod feeding frame 211 is horizontally placed;

the round bar clamping driving device is fixed with the round bar supporting mechanism and the round bar clamping block respectively; the round bar clamping block 213 is used for pushing the round silicon bar on the round bar supporting mechanism to push against the length measurement reference surface 211-1 to clamp and fix under the driving of the round bar clamping driving device;

a clamping block displacement measuring device 215 fixed to the round bar loading frame 211 for measuring the displacement of the round bar clamping block 213;

the feeding processing unit is further used for obtaining the length of the round silicon rod according to the distance between the initial position of the round rod clamping block and the length measuring reference surface and the displacement of the round rod clamping block; the initial position of the round bar clamping block is the position of the round bar clamping block when the round bar clamping driving device extends to the maximum length.

When a round silicon rod needs to be loaded, firstly, an L-shaped round rod loading frame is placed in a mode that a long arm of the round rod loading frame is transversely placed; and then, horizontally placing the round silicon rod on the round rod supporting mechanism for material detection. For the subsequent need for transport and cutting of the silicon rods, the length of the silicon rods needs to be measured. The distance between the position of the length measuring reference plane and the initial position of the round bar clamping block is determined. Under the condition that the material is detected to be material, the round rod clamping block is driven by the round rod clamping cylinder to move from the round rod clamping block to push one side end face of the silicon rod until the end face abuts against the length side beam reference surface, the displacement of the round rod clamping block is measured by the clamping block displacement measuring device, and then the round rod processing unit calculates the length of the round silicon rod.

Specifically, the material detection is performed through a photoelectric switch of the loading and unloading device, which is used for the material detection.

In implementation, the round bar clamping driving device adopts a round bar clamping cylinder 214, a cylinder body of the round bar clamping cylinder 214 is fixed with the round bar feeding frame 211, and the round bar clamping block 213 is fixed at the upper end of a guide rod of the round bar clamping cylinder 214;

the round bar clamping block 213 is used for pushing the round silicon bar on the round bar supporting mechanism to push against the length measurement reference surface 211-1 to clamp and fix under the driving of the round bar clamping cylinder 214; the initial position of the round bar clamping block is the position of the round bar clamping block when the guide rod of the round bar clamping cylinder extends to the maximum length.

In implementation, the feeding processing unit is specifically configured to obtain the length L of the circular silicon rod according to the following relational expression:

L＝K-S；

and K is the distance between the initial position of the round bar clamping block and the length measurement reference surface, and S is the displacement of the round bar clamping block.

Therefore, the length of the silicon rod can be obtained quickly and conveniently.

In an implementation, the clamping block displacement measuring device is a tension encoder.

The stretching encoder is used as a clamping block displacement measuring device, is small in structure, convenient to install and matched with the feeding processing unit, can conveniently measure the length of the round silicon rod, and is high in measuring accuracy.

Specifically, as shown in fig. 2A, the loading and unloading device further includes:

two square rod blanking assemblies 22;

wherein, the pole material loading subassembly is two, two pole material loading subassemblies and two square bar unloading subassemblies parallel arrangement.

The circular silicon rod loading process comprises the following steps:

firstly, a long arm of a round bar feeding frame is transversely placed on a feeding and discharging support frame, and a silicon rod is fed onto a round bar support mechanism;

detecting by a photoelectric switch fixed at the round bar feeding frame, sending a material signal, ventilating by a round bar clamping cylinder, and driving a round bar clamping block to rotate and pop up when the round bar clamping cylinder moves; and then, the round bar clamping cylinder continues to drive the round bar clamping block to move, the silicon rod is pushed from one end surface of the silicon rod until the other end surface of the silicon rod props against the round bar clamping cylinder to be clamped and fixed.

And thirdly, the feeding overturning oil cylinder enables the round rod feeding frame to rotate around the shaft by pushing the outer bottom of the round rod feeding frame, when the round rod feeding frame is overturned to the position of the speed reduction proximity switch, the speed reduction proximity switch detects the position, and the flow of an oil inlet of the feeding overturning oil cylinder is adjusted through the feeding processing unit, so that the overturning speed is reduced until the round rod feeding frame is overturned by 90 degrees.

The blanking process of the square rod is as follows:

firstly, erecting a square rod blanking assembly, and vertically placing a cut square rod on the square rod blanking assembly;

and secondly, retracting a blanking overturning oil cylinder of the square rod blanking assembly, and overturning until the square rod blanking assembly reaches a horizontal position.

The silicon rod cutting and grinding method of the silicon rod cutting and grinding system comprises the following steps:

step S1: rotating the rotating platform to rotate the first silicon rod to the first cutting device;

step S2: the two cutting machine head mechanisms of the first cutting device move from top to bottom to cut the first silicon rod for the first time to form a first middle rod and two back-to-back edge skins;

step S3: taking the two hems away, and upwards resetting the two cutting machine head mechanisms of the first cutting device;

step S4: continuing to rotate the rotating platform, rotating the first intermediate rod to the second cutting device, and simultaneously rotating the second silicon rod to the first cutting device;

step S5: the two cutting machine head mechanisms of the second cutting device move from top to bottom to cut the first middle rod for the second time to form a first square rod and two opposite side skins; simultaneously, the two cutting machine head mechanisms of the first cutting device move from top to bottom to cut the second silicon rod for the first time;

step S6: take the flaw-piece away, two cutting machine head mechanisms of the first cutting device and two cutting machine head mechanisms of the second cutting device reset upwards.

According to the silicon rod cutting and grinding method of the silicon rod cutting and grinding system, the first cutting device is used for cutting the silicon rod for the first time to form the middle rod and two side skins which are opposite to each other; the second cutting device cuts the middle rod for the second time to form a square rod and two side skins which are back to back. When the second cutting device cuts the intermediate rod for the second time, the first cutting device cuts the silicon rod for the first time, so that the cutting efficiency is high. Through the rotation of the rotary platform, the silicon rod and the intermediate rod can be quickly and conveniently rotated. First cutting device and second cutting device can both once cut and form two kerbs when cutting, and cutting efficiency is higher.

In the implementation, the silicon rod cutting and grinding method further comprises the following steps:

step S7: continuing to rotate the rotating platform, and rotating the first square rod to the grinding device; simultaneously, the second intermediate rod rotates to the second cutting device, and the third silicon rod rotates to the first cutting device;

step S8: grinding the first square rod by using a grinding device to form a ground first square rod; simultaneously, two cutting machine head mechanisms of the second cutting device move from top to bottom to perform secondary cutting on the second middle rod to form a second square rod and two opposite side skins; simultaneously, the two cutting machine head mechanisms of the first cutting device move from top to bottom to cut the third silicon rod for the first time to form a third middle rod and two opposite side skins;

step S9: taking the flaw-piece away; meanwhile, the grinding device resets, and the two cutting machine head mechanisms of the first cutting device and the two cutting machine head mechanisms of the second cutting device reset upwards.

Therefore, the grinding device grinds the silicon rod, the second cutting device cuts the silicon rod, and the first cutting device cuts the silicon rod simultaneously, so that the silicon rod cutting and grinding efficiency is greatly improved. The rotary platform realizes the position conversion of the silicon rods, the middle rods and the square rods among the first cutting device, the second cutting device and the grinding device.

step S10: continuing to rotate the rotating platform, rotating the ground first square rod to a transfer device, and transferring the ground first square rod to a feeding and discharging device by the transfer device for discharging; simultaneously, the second square rod is rotated to the grinding device, the third square rod is rotated to the second cutting device, and the other first silicon rod is rotated to the first cutting device.

The first square rod after grinding is transferred to the feeding and discharging device by the transfer device, and discharging is carried out by the feeding and discharging device, so that the cutting and grinding processes of the first silicon rod → the first middle rod → the first square rod after grinding are realized. That is, each silicon rod can be processed in the process of silicon rod → middle rod → square rod → grinding rear rod.

In the implementation, the step of taking away two hems specifically comprises:

the flaw-piece clamping claws of the two flaw-piece clamping mechanisms of the cutting device move oppositely to enter the space between the two cutting machine head mechanisms of the cutting device through the machine head through holes to clamp the two flaw-pieces, and move oppositely to exit the space between the two cutting machine head mechanisms of the cutting device through the machine head through holes, and the flaw-pieces are placed in a flaw-piece collecting assembly;

wherein the cutting device comprises a first cutting device and a second cutting device.

Cutting device, because the coping saw mounting bracket is provided with the aircraft nose through-hole, mutually support with two flaw-piece fixture's of cutting device flaw-piece gripper jaw, realized the in-process of removing the flaw-piece, need not remove the coping saw mounting bracket, practiced thrift the time, improved the efficiency of getting the flaw-piece for the process of removing the flaw-piece is comparatively simple, and then makes the efficiency of getting the flaw-piece higher.

Claims

1. A silicon rod cutting and grinding system is characterized by comprising:

a machine base;

the rotary platform is rotatably arranged on the base;

2. The silicon rod cutting and grinding system as set forth in claim 1, wherein the first cutting device and the grinding device are disposed oppositely;

3. The silicon rod cutting and grinding system as set forth in claim 2, wherein the first cutting device and the second cutting device are cutting devices having the same structure; the cutting device includes:

the supporting frame is fixed on the base;

the two cutting machine head mechanisms are arranged on the front side of the supporting frame and can synchronously move up and down to cut the silicon rod and form two opposite side skins;

the two edge leather clamping mechanisms are respectively and fixedly arranged on two edges of the supporting frame;

the flaw-piece collecting assembly is fixedly arranged on the back side of the supporting frame;

the two flaw-piece clamping mechanisms are used for moving in opposite directions to enter two flaw-pieces and clamping the two flaw-pieces between the cutting machine head mechanisms, and moving in opposite directions to exit from two positions between the cutting machine head mechanisms, and the flaw-pieces are placed in the flaw-piece collecting assembly.

4. The silicon rod cutting and grinding system as set forth in claim 3, wherein the flaw-piece clamping mechanism comprises:

the clamping fixing seat is fixed on the side of the supporting frame;

the two ends of the first-stage arm are respectively hinged with the clamping fixing seat and one end of the second-stage arm;

the flaw-piece clamping claw is hinged to one side of the secondary arm, which is far away from the primary arm;

5. The silicon rod cutting and grinding system as set forth in claim 4, wherein the flaw-piece clamping jaw comprises:

a mounting plate for a side clamping jaw;

the bottom clamping jaw is fixed at the bottom end of the front side of the flaw-piece clamping jaw mounting plate and is used for bearing the lower end surface of the vertically arranged silicon rod;

and the top clamping jaw is connected to the upper end of the positive side of the side skin clamping jaw mounting plate in a sliding manner, and can move up and down.

6. The silicon rod cutting and grinding system as set forth in claim 5, wherein the cutter head mechanism comprises:

the scroll saw mounting frame is provided with a vertical machine head through hole;

the annular diamond wire is arranged on the positive side of the wire saw mounting frame, and the cutting section of the annular diamond wire is not interfered with the through hole of the machine head; the cutting section is a part of the annular diamond wire used for cutting the silicon rod in motion;

the two flaw-piece clamping claws are used for moving in opposite directions to clamp the flaw-piece between the cutting machine head mechanisms through entering the two machine head through holes, and move in opposite directions to exit from the two machine head through holes between the cutting machine head mechanisms.

7. The silicon rod cutting and grinding system as claimed in any one of claims 2 to 6, wherein the silicon rod longitudinal fixing mechanism comprises:

the chuck frame vertical motion guide rail is fixed on the side surface of the fixed column;

the chuck frame is in sliding connection with the chuck frame vertical movement guide rail;

an upper floating head installed at the clip frame; the clamping head frame can move up and down along the guide rail in the vertical direction of the clamping head frame so as to drive the upper floating head to press the upper end surface of the silicon rod which is vertically placed and the upper end surface of the square rod which leaves the ground square rod;

the supporting device comprises a chuck frame, a flaw-piece supporting frame and a supporting frame, wherein the chuck frame is connected with the chuck frame and can extend downwards and reset upwards, the flaw-piece supporting frame is used for extending downwards and supporting the outer peripheral surface of the silicon rod, and the flaw-piece supporting frame is also used for resetting upwards to leave the outer peripheral surface of the silicon rod.

8. The silicon rod cutting and grinding system of claim 7, wherein the kerb support comprises:

the mounting piece of the edge supporting bracket is fixed with the chuck frame;

the flaw-piece handrail is fixed on one side, far away from the upper floating head, of the handrail fixing part and extends downwards;

9. The silicon rod cutting grinding system as set forth in claim 8, wherein the silicon rod longitudinal fixing mechanism further comprises:

a silicon rod support mounting base fixed on the rotary platform;

and the lower floating head is used for supporting the lower end surface of the vertical silicon rod and is arranged above the silicon rod supporting and mounting seat.

10. The silicon rod cutting grinding system as set forth in claim 9, wherein the silicon rod longitudinal fixing mechanism further comprises an edge skin support assembly, the edge skin support assembly comprising:

the driving device for supporting the flaw-piece is fixed on the silicon rod supporting and installing seat and is arranged at intervals with the lower floating head;

the flaw-piece supporting head is used for supporting the position of a flaw-piece formed after the lower end surface of the silicon rod is cut, and the flaw-piece supporting head is fixed at the top end of the driving device for supporting the flaw-piece; the driving device for supporting the flaw-piece is used for locking when the silicon rod is cut into the square rod and the flaw-piece so that the flaw-piece supporting head keeps the height and supports the flaw-piece.

11. The silicon rod cutting and grinding system as set forth in any one of claims 2 to 6, wherein the transfer device comprises:

a loading and unloading clamping jaw frame;

the upper clamping jaw assembly and the lower clamping jaw assembly are arranged on the same side of the upper and lower clamping jaw frames at an interval in parallel;

the upper clamping jaw transferring and driving device is respectively fixed with the lower clamping jaw assembly and the upper clamping jaw assembly and drives the upper clamping jaw assembly to move up and down relative to the lower clamping jaw assembly;

12. The silicon rod cutting grinding system as set forth in claim 11, wherein the upper jaw transfer drive device comprises:

the cylinder body of the transfer gas-liquid cylinder is fixed at the bottom of the feeding and discharging clamping jaw frame, and the upper end of a guide rod of the transfer gas-liquid cylinder is fixed with the lower clamping jaw assembly;

the gas-liquid converter is connected with the transfer gas-liquid cylinder; the gas entering the gas-liquid converter extrudes hydraulic oil into the transfer gas-liquid cylinder to drive a guide rod of the transfer gas-liquid cylinder to jack the lower clamping jaw assembly;

the lower clamping jaw transferring driving device comprises a transferring air cylinder, a cylinder body of the transferring air cylinder is fixed with the lower clamping jaw assembly, and the upper end of a guide rod of the transferring air cylinder is fixed with the upper clamping jaw assembly; wherein, the air supply gets into the gas of transporting the cylinder drives the guide bar of transporting the cylinder will go up clamping jaw subassembly jack-up.

13. The silicon rod cutting and grinding system as set forth in claim 1, wherein the grinding device comprises:

the grinding support frame is fixed on the machine base;

the composite grinding body for coarse grinding and fine grinding of the square rod is installed on the front side of the grinding support frame, and the composite grinding body can move from top to bottom to grind the vertically placed square rod.

14. The silicon rod slicing and grinding method of the silicon rod slicing and grinding system as set forth in any one of claims 1 to 13, comprising the steps of:

15. The silicon rod cutting and grinding method as set forth in claim 14, further comprising:

continuing to rotate the rotating platform, and rotating the first square rod to the grinding device; simultaneously, the second intermediate rod rotates to the second cutting device, and the third silicon rod rotates to the first cutting device;

grinding the first square rod by using a grinding device to form a ground first square rod; simultaneously, two cutting machine head mechanisms of the second cutting device move from top to bottom to perform second cutting on the second middle rod to form a second square rod and two opposite side skins; simultaneously, the two cutting machine head mechanisms of the first cutting device move from top to bottom to cut the third silicon rod for the first time to form a third middle rod and two opposite side skins;

taking the flaw-piece away; meanwhile, the grinding device resets, and the two cutting machine head mechanisms of the first cutting device and the two cutting machine head mechanisms of the second cutting device reset upwards.

16. The silicon rod cutting and grinding method as set forth in claim 15, further comprising:

continuing to rotate the rotating platform, rotating the ground first square rod to a transfer device, and transferring the ground first square rod to a feeding and discharging device by the transfer device for discharging; simultaneously, the second square rod is rotated to the grinding device, the third square rod is rotated to the second cutting device, and the other first silicon rod is rotated to the first cutting device.

17. The silicon rod cutting and grinding method as set forth in claim 16, wherein the step of removing the two rims comprises: