Monocrystalline silicon stick line evolution prevents pounding line and prevents collapsing limit device
Technical Field
The utility model belongs to the evolution equipment field of monocrystalline silicon rod, in particular to monocrystalline silicon stick line evolution prevents pounding line and prevents collapsing limit device.
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 photovoltaic industry, a series of working procedures are required to be carried out after a silicon single crystal rod is pulled out of a single crystal furnace, and the working procedures comprise mechanical processing such as cutting, squaring, fillet grinding and plane grinding at the early stage; then, after the silicon rod is glued, slicing, cleaning, chamfering, grinding, corroding, cleaning again and the like are carried out; and finally, performing the procedures of texturing, diffusion, knot making, film coating, sintering and the like on the silicon wafer to manufacture the solar cell for photovoltaic power generation. The silicon single crystal rod is subjected to squaring before being cut into silicon wafers. When the silicon rod is cut, the cutting mechanism is fed along the length direction of the silicon rod and cuts four planes which are parallel in pairs along the circumferential direction of the silicon rod on the cutting machine, so that the whole silicon rod is in a similar cuboid shape.
After the cutting of the silicon rod is completed, the cutting machine has a process of taking the flaw-piece. The processing of present squaring machine to the side skin still has the problem: 1. for the squaring machine adopting the viscose mode, the mode of manually taking the flaw-piece is adopted after the silicon rod is cut, and the mode has low automation degree and low efficiency; 2. for the automatic squaring machine that drops of flaw-piece, the diamond wire can be pounded apart in the moment that the flaw-piece dropped after the silicon rod is accomplishing the butt, moreover because the dead weight of flaw-piece itself probably causes the edge breakage of cutting surface different degree, not only influences the normal operating of equipment but also influences the quality of silicon rod.
SUMMERY OF THE UTILITY MODEL
The utility model discloses the flaw-piece that produces to the silicon rod butt drops and can pound disconnected golden rigid line to and the artifical flaw-piece of getting causes the problem that production efficiency is low provides a monocrystalline silicon stick line evolution prevents to pound the line and prevents collapsing the limit device.
A monocrystalline silicon rod wire squaring anti-smashing anti-edge-breaking device comprises an edge skin clamping mechanism mounting plate, wherein at least one edge skin clamping mechanism assembly is mounted on the edge skin clamping mechanism mounting plate; the flaw-piece clamping mechanism assembly comprises a cylinder mounting frame, a driving cylinder and a clamping mechanism, wherein the driving cylinder is mounted on the cylinder mounting frame and used for adjusting the position of the cylinder mounting frame in the left-right direction; a free end of a piston rod of the driving cylinder is fixed with a linkage block; the clamping mechanism comprises a pair of symmetrical gripper connecting rods and sucker components arranged on the gripper connecting rods, one end of each gripper connecting rod is connected with the linkage block in a sliding mode, the gripper connecting rod close to one end of each gripper connecting rod is connected with the cylinder mounting frame in a revolute pair mode, and the other end of each gripper connecting rod is connected with the sucker component used for sucking the silicon rod flaw-piece.
Furthermore, the sucker component comprises a sucker component mounting support connected with the other end of the paw connecting rod in a revolute pair mode, a sucker mounting block connected with the sucker component mounting support in a sliding mode, and suckers mounted at two ends of the sucker mounting block respectively.
Furthermore, the sucker component comprises a sucker component mounting support connected with the other end of the paw connecting rod in a rotating pair mode and a sucker arranged on the sucker component mounting support.
Further, the flaw-piece clamping mechanism assemblies are two and are respectively a flaw-piece clamping mechanism A assembly and a flaw-piece clamping mechanism B assembly, and the flaw-piece clamping mechanism A assembly and the flaw-piece clamping mechanism B assembly are symmetrically arranged on the flaw-piece clamping mechanism mounting plate.
Furthermore, the number of the edge clamping mechanism components is two, namely an edge clamping mechanism A component and an edge clamping mechanism
The component B is correspondingly arranged at two ends of the mounting plate of the flaw-piece clamping mechanism; the sucker component of the flaw-piece clamping mechanism A component comprises a sucker component mounting support arranged at the other end of the paw connecting rod in a rotating pair mode, a sucker mounting block connected with the sucker component mounting support in a sliding mode, and suckers respectively arranged at two ends of the sucker mounting block; the sucker component of the kerb clamping mechanism B component comprises a sucker component mounting support arranged at the other end of the paw connecting rod in a revolute pair mode and a sucker arranged on the sucker component mounting support.
Furthermore, a driving cylinder protective cover is arranged outside the driving cylinder.
Further, the suction cup is a vacuum suction cup.
The utility model has the advantages that: the flaw-piece clamping mechanism component arranged on the silicon rod cutting machine can absorb the flaw-pieces generated by cutting the silicon rod, and prevent the flaw-pieces from breaking the diamond wires in the moment of falling; the piston rod of the driving cylinder contracts in the cutting process of the silicon rod, so that the sucker component on the clamping mechanism is firmly adsorbed on the surface of the silicon rod, and the edge skin breakage caused by the cutting of the silicon rod can be effectively prevented; in addition, the device of the utility model replaces the manual way of removing the flaw-piece, thereby improving the production efficiency; the utility model discloses greatly reduced the silicon rod installation and torn open and get the required time, avoided the viscose to the pollution that the silicon rod produced, improved production efficiency and yields.
Drawings
Fig. 1 is a schematic structural diagram of embodiment 1 of the present invention.
Fig. 2 is a side view of embodiment 1 of the present invention.
The reference numbers in the figures are: 1, mounting a mounting plate of a flaw-piece clamping mechanism; 2, a side leather clamping mechanism A component; 3, silicon rods; 4, cutting the guide wheel assembly; 5, a diamond wire; 6, edging; 7, a flaw-piece clamping mechanism B component; 8, a cylinder mounting rack; 9 driving the cylinder; 10 a linkage block; 11 a paw connecting rod; 12 a sucker component mounting support; 13 a sucker mounting block; 14, a sucker; 15 pin shafts; 16 drive the cylinder shroud.
Detailed Description
The invention will be further explained with reference to the drawings:
the utility model provides a monocrystalline silicon stick line evolution prevents pounding line and prevents collapsing limit device, is including being used for through the flaw-piece fixture mounting panel 1 of fix with screw on monocrystalline silicon rod butt equipment, flaw-piece fixture mounting panel 1 is located treats the evolution silicon rod directly over, install corresponding flaw-piece fixture A subassembly 2 and flaw-piece fixture B subassembly 7 on the flaw-piece fixture mounting panel 1.
The flaw-piece clamping mechanism A component 2 comprises a cylinder mounting frame 8 installed on the flaw-piece clamping mechanism mounting plate 1, a driving cylinder 9 on the cylinder mounting frame 8 is installed through a bolt, the position of the driving cylinder 9 can be adjusted on the cylinder mounting frame 8 in a left-right mode, and a clamping mechanism arranged below the driving cylinder 9 is arranged.
A free end of a piston rod of the driving cylinder 9 is fixed with a linkage block 10; the clamping mechanism comprises a pair of claw connecting rods 11 symmetrically arranged at two sides of the driving cylinder 9 and a sucker component connected with the claw connecting rods; one end part of each paw connecting rod 11 is connected with a pin shaft on the linkage block 10 in a sliding mode, and the paw connecting rod close to one end part of the paw connecting rod is arranged on a pin shaft 15 of the cylinder mounting rack 8 in a rotating pair mode through a clamp spring; the other end of each paw connecting rod is connected with a sucker component for sucking the silicon rod flaw-piece; the sucking disc subassembly include with the mode of revolute pair with sucking disc subassembly erection support 12 and sucking disc installation piece 13 of another end connection of hand claw connecting rod 11, waist shape hole has been seted up along its length direction to sucking disc installation piece 13, this sucking disc installation piece 13 through above-mentioned waist shape hole with sucking disc subassembly erection support 12 sliding connection, sucking disc 14 is installed respectively at sucking disc installation piece 13 both ends, this sucking disc 14 is vacuum chuck.
The setting of boundary strip fixture B subassembly 7 sets up the same basically with boundary strip fixture A subassembly 2, its difference lies in: another tip of every hand claw connecting rod of fixture of boundary leather fixture B subassembly 7 only is connected with a sucking disc, and specific saying so, every sucking disc subassembly include with install the sucking disc subassembly erection support at another tip of hand claw connecting rod 11 with the revolute pair mode with install the sucking disc on sucking disc subassembly erection support, this sucking disc is vacuum chuck.
In some embodiments, one of the flaw-piece clamping mechanism components can be set as the structure of the flaw-piece clamping mechanism A component; a plurality of edge skin clamping mechanism components can also be arranged, and the length, the width and the actual condition of the silicon rod are determined.
The utility model discloses a theory of operation does: as shown in fig. 2, when the piston rod of the driving cylinder 9 extends, the link block 10 mounted on the piston rod drives the gripper link 11 to rotate the gripper link 11 around the pin 15, so that the gripper is in an open state; when the piston rod of the driving cylinder 9 contracts, the clamping mechanism is in a closed state, and the sucker 14 connected to the paw connecting rod 11 is attached to the surface of the silicon rod; when the silicon rod 3 enters an open state, a piston rod of the driving cylinder 9 contracts, and the position of the sucker component mounting support 12 is adjusted, so that the sucker 14 can be completely attached to the surface of the silicon rod 3; the cutting guide wheel assembly 4 starts feeding, the diamond wire 5 cuts the silicon rod 3 at the running speed of 17mm/s until the diamond wire 5 enters a wire drawing bow state, and the sucking disc 14 starts vacuumizing to suck the edge leather 6; after confirming that the flaw-piece 6 is cut completely, the piston rod of the driving cylinder 9 extends, the clamping mechanism is opened, the flaw-pieces 6 on the two sides of the silicon rod 3 are lifted under the action of the sucker 14, the cutting guide wheel assembly 4 retreats, the diamond wire 5 returns to the initial position, the sucker 14 stops working, the flaw-piece 6 falls under the action of gravity, the silicon rod 3 rotates by 90 degrees, and the next cutting operation is carried out.
When the length of the silicon rod 3 is less than 560mm, the flaw-piece clamping mechanism A component is arranged to work, and the paw connecting rod of the flaw-piece clamping mechanism B component is always in an open state; when the length of the silicon rod 3 is more than or equal to 560mm, the assembly A of the flaw-piece clamping mechanism and the assembly B of the flaw-piece clamping mechanism work simultaneously. In addition, a driving cylinder shield 16 is arranged on the driving cylinder 9, so that the corrosion of water and silicon mud to the driving cylinder 9 is avoided, and the service life of the mechanism is prolonged.
Finally, it should be noted that the above-mentioned embodiments illustrate only specific embodiments of the invention. Obviously, the present invention is not limited to the above embodiments, and many variations are possible. All modifications which can be derived or suggested by a person skilled in the art from the disclosure of the invention should be considered as within the scope of the invention.