CN212218920U - Cutting operation system of annular wire saw - Google Patents

Abstract

The utility model relates to an annular scroll saw cutting operation system, including main drive assembly, tensioning assembly and line of cut, main drive shaft has labyrinth seal structure between the main drive bearing frame in the main drive assembly, and main drive bearing frame has seted up the waterlogging caused by excessive rainfall chute on keeping away from main drive motor side's the terminal surface, when carrying out cutting work, the dust is difficult for getting into main drive bearing inside, spray cooling water gets into the labyrinth gap after, also can flow down along the waterlogging caused by excessive rainfall chute at first under the action of gravity, and then is thrown away by the centrifugation along with the rotation, when main drive shaft stops rotating, cooling water can be discharged from the waterlogging caused by excessive rainfall groove that can follow on main drive shaft outer wall, waterproof dustproof performance obtains effectively improving, and main drive wheel cover is located with the tip of main drive shaft, simplify main drive assembly's structure, avoid increasing main drive assembly's inertia, improve main drive assembly, therefore, the operation stability of the annular wire saw cutting operation system is effectively ensured, and the cutting quality is improved.

Description

Cutting operation system of annular wire saw

Technical Field

The utility model relates to a hard and brittle material cutting technical field especially relates to an annular coping saw cutting operating system.

Background

Silicon crystals are used very widely in the photovoltaic industry. The preliminary processing of the silicon rod is carried out in order to meet the quality parameters of the silicon crystal rod and the shape and the size of the next process, and is an indispensable step in the earlier process of the photovoltaic solar cell.

Chinese patent 201720191807.7 discloses a guide wheel assembly for diamond wire squaring machine, which comprises a guide wheel shaft, a locking screw, a spring washer, a guide wheel sleeve, a bearing locking screw, a bearing, a guide wheel bearing cover, a guide wheel, and a guide wheel cover, and can perform squaring operation by using a diamond wire. In the scheme, in order to prevent dust and cooling water from entering the interior of the bearing, a labyrinth sealing mechanism is arranged on the guide wheel shaft and the guide wheel sleeve, and compressed air is introduced into the bottom of the axial through hole of the guide wheel shaft. Waterproof performance is not good, moreover because compressed air contains a lot of moisture, leads to the bearing to rust easily, if dry compressed air, will greatly increase the operation cost.

In addition, the guide wheel is fixed by the guide wheel cover, the guide wheel cover is provided with two kidney grooves, so that the guide wheel cover is not easy to disassemble, the guide wheel assembly has a complex structure, and the rotational inertia of the guide wheel assembly can be increased, so that the stability of a cutting operation system is influenced; the cutting operation system is provided with a plurality of guide wheel assemblies, and the guide wheel covers are fixed to be not beneficial to adjusting the coplanarity tolerance of the guide wheel assemblies and also influence the silicon crystal cutting work.

Disclosure of Invention

Therefore, the circular wire saw cutting operation system needs to be provided to solve the problems that in an existing cutting operation mechanism, the main driving assembly is poor in protection performance, the structure is complex, and the stability of the cutting operation system is affected.

To achieve the above object, the inventors provide a circular wire saw cutting running system including a main drive assembly, a tension assembly, and a cutting wire;

the main driving assembly comprises a main driving motor, a main driving shaft, a main driving wheel, a main driving bearing seat and a set screw, wherein the main driving shaft is connected with the main driving motor, the main driving bearing seat is sleeved outside the main driving shaft, a labyrinth seal structure is arranged between the main driving shaft and the main driving bearing seat, a draining chute is arranged on the end surface of one side, away from the main driving motor, of the main driving bearing seat, the draining chute is positioned between the main driving bearing seat and the main driving shaft, a draining chute is arranged on the outer wall of the main driving shaft between the main driving bearing seat and the main driving wheel, the main driving bearing seat is sleeved between the main driving shaft and the main driving bearing seat, the main driving wheel is sleeved at the end part of the main driving shaft, and the set screw penetrates through the wheel surface of the main;

the tensioning assembly comprises a tensioning wheel and a tensioning mechanism, the tensioning wheel is connected with the tensioning mechanism, the cutting line is annularly arranged in the wire grooves of the main driving wheel and the tensioning wheel, and the tensioning mechanism is used for driving the tensioning wheel to move so as to tension the cutting line.

As the utility model discloses a preferred structure, the main drive subassembly still includes adjusting pin, adjusting pin is two at least, and adjusting pin runs through the tread of main drive wheel and supports with main drive axle tip and lean on, and adjusting pin evenly distributed.

As a preferred structure of the present invention, the main drive bearing is an angular contact bearing.

As a preferred structure of the utility model, main drive assembly still includes interior spacer sleeve and outer spacer sleeve, interior spacer sleeve and outer spacer sleeve are located main drive bearing's inboard and outside respectively.

As the utility model discloses a preferred structure, the main drive subassembly still includes outer lane briquetting and inner circle briquetting, outer lane briquetting and inner circle briquetting are located main drive bearing's inboard and outside respectively, and the outer lane briquetting is fixed with main drive bearing frame, and the inner circle briquetting is fixed with main drive shaft.

As the utility model discloses a preferred structure, the through-hole has been seted up on the main drive bearing frame, the through-hole is used for lubricated oil gas, and lubricated oil gas can be via the clearance escape of through-hole, main drive axle and main drive bearing frame.

As a preferred structure of the utility model, straining device is eccentric tensioning motor, but the take-up pulley pivot cover is located on the eccentric shaft of eccentric tensioning motor.

As a preferred structure of the utility model, straining device includes straining arm and weight, the straining arm is curved shape structure, take-up pulley and weight set up respectively in the both ends of straining arm.

As the utility model discloses a preferred structure, the cutting operation system still includes the first follow driving wheel, main drive wheel, take-up pulley and the first triangular distribution that is from the driving wheel, the line of cut is that the annular is laid in main drive wheel, take-up pulley and the first wire casing from the driving wheel.

As the utility model discloses a preferred structure, the cutting operation system still includes that the second follows the driving wheel, main drive wheel, take-up pulley, first follow driving wheel and second are the quadrangle and distribute from the driving wheel, the line of cut is that the annular is laid in main drive wheel, take-up pulley, first from the wire casing of driving wheel and second follow driving wheel.

Different from the prior art, the technical scheme has the following advantages: the utility model relates to an annular wire saw cutting operation system, which comprises a main driving assembly, a tensioning assembly and a cutting line, wherein the tensioning assembly is used for adjusting the degree of expansion of the cutting line around a main driving wheel and a tensioning wheel, a labyrinth seal structure is arranged between a main driving shaft and a main driving bearing seat in the main driving assembly, a draining chute is arranged on the end surface of one side of the main driving bearing seat away from a main driving motor, when the cutting operation is carried out, dust is not easy to enter the inside of the bearing, after spraying cooling water enters a labyrinth gap, the dust can firstly flow down along the draining chute under the action of gravity and then is centrifugally thrown out along with the rotation, when the main driving shaft stops rotating, the cooling water can be discharged along the draining chute on the outer wall of the main driving shaft, the waterproof and dustproof performance is effectively improved, and the main driving wheel is sleeved on the end part of the main driving, the rotational inertia of the main driving assembly is prevented from being increased, and the running stability of the main driving assembly is improved, so that the running stability of the annular wire saw cutting running system is effectively guaranteed, and the cutting quality is improved.

Drawings

Fig. 1 is a schematic perspective view of an embodiment of a cutting operation system of a circular wire saw according to the present invention;

FIG. 2 is a schematic cross-sectional view of an embodiment of a main drive assembly of a cutting operation system of a circular wire saw according to the present invention;

fig. 3 is a schematic perspective view of another embodiment of a cutting operation system for a circular wire saw according to the present invention;

fig. 4 is a schematic perspective view of another embodiment of the cutting operation system of the circular wire saw according to the present invention.

Description of reference numerals:

100. a main drive assembly;

110. a main drive motor;

120. a main drive shaft;

130. a main drive wheel;

140. a main drive bearing; 141. a draining tank;

150. a main drive bearing block; 151. a draining chute; 152. a through hole;

160. tightening the screw;

170. adjusting the pin;

181. an inner spacer sleeve;

182. an outer spacer sleeve;

191. pressing blocks on the outer ring;

192. pressing blocks on the inner ring;

200. a tension assembly;

210. a tension wheel;

220. a tensioning mechanism; 221. a tensioning arm; 222. a weight;

300. cutting the line.

400. A first driven wheel;

500. a second driven wheel.

Detailed Description

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

Referring to fig. 1 to 4, the present invention provides a circular wire saw cutting operation system for cutting silicon crystal bars, including cutting, slicing and squaring the silicon crystal bars. Specifically, the cutting operation system comprises a main driving assembly 100, a tensioning assembly 200 and a cutting line 300;

the main driving assembly 100 is used for driving the cutting line 300 to rotate, and provides a stable driving force for the cutting operation. Specifically, the main drive assembly 100 includes a main drive motor 110, a main drive shaft 120, a main drive wheel 130, a main drive bearing 140, a main drive bearing seat 150 and a set screw 160, the main driving shaft 120 is connected to the main driving motor 110, the main driving bearing seat 150 is sleeved outside the main driving shaft 120, a labyrinth seal structure is arranged between the main driving shaft 120 and the main driving bearing seat 150, a draining chute 151 is arranged on the end surface of the main driving bearing seat 150 far away from the main driving motor 110, the drainage chute 151 is located between the main drive bearing housing 150 and the main drive shaft 120, a water draining groove 141 is arranged on the outer wall of the main driving shaft 120 between the main driving bearing seat 150 and the main driving wheel 130, the main drive bearing 140 is sleeved between the main drive shaft 120 and the main drive bearing seat 150, the main driving wheel 130 is sleeved at the end of the main driving shaft 120, and the set screw 160 penetrates through the tread of the main driving wheel 130 and is locked on the main driving shaft 120;

the main driving motor 110 drives the main driving shaft 120 to rotate, the main driving shaft 120 can rotate stably under the limit of the main driving bearing seat 150 and the main driving bearing 140, so as to drive the main driving wheel 130 sleeved at the end part of the main driving shaft 120 to rotate, and further drive the cutting line 300 wound in the line slot of the main driving wheel 130 to rotate, so as to facilitate cutting work. Main drive wheel 130 be fixed in main drive shaft 120's tip through holding screw 160, compare in the background art in that current guide pulley subassembly guide pulley cover is established on the guide pulley lid, this structure is favorable to main drive wheel 130's dismantlement more, and is more simple structurally, can not increase main drive assembly 100's inertia, and cutting operation system work is more stable, is favorable to improving silicon crystal machining precision. Meanwhile, a labyrinth seal structure is arranged between the main driving shaft 120 and the main driving bearing seat 150, a certain waterproof and dustproof effect can be achieved, a draining chute 151 is formed in the end face of one side, away from the main driving motor 110, of the main driving bearing seat 150, when the cutting operation system works, after spraying cooling water enters a labyrinth gap, the cooling water can flow downwards along the draining chute 151 under the action of gravity at first and is thrown away along with rotation in a centrifugal mode, the online saw stops running, when the main driving shaft 120 stops rotating, the cooling water can be discharged from the draining chute 141 on the outer wall of the main driving shaft 120, the waterproof and dustproof performance is effectively improved, the main driving assembly 100 is prevented from being corroded or broken down, and the service life is prolonged.

The tensioning assembly 200 is used for laying of the string 300 and tensioning of the string 300. Specifically, the tensioning assembly 200 includes a tensioning wheel 210 and a tensioning mechanism 220, the tensioning wheel 210 is connected to the tensioning mechanism 220, the cutting line 300 is annularly disposed in the wire grooves of the main driving wheel and the tensioning wheel, and the tensioning mechanism 220 is configured to drive the tensioning wheel 210 to move so as to tension the cutting line 300.

Referring to fig. 1 and 2, as a preferred embodiment of the present invention, the main driving assembly 100 further includes at least two adjusting pins 170, the adjusting pins 170 penetrate through the wheel surface of the main driving wheel 130 and abut against the end of the main driving shaft 120, and the adjusting pins 170 are uniformly distributed. In a group of cutting operation systems, more than two guide wheels are included, so that the condition that the guide wheels for arranging the cutting wires 300 are not completely coplanar can occur to a certain extent, the arrangement of the cutting wires 300 is easily influenced, and the cutting operation of the silicon crystal bar is not facilitated. In particular, the guide wheel cover is fixed, and the guide wheel is fixed on the guide wheel cover, so that coplanar tolerance adjustment cannot be carried out at all. In this embodiment, the adjusting pin can be screwed to adjust the depth of the adjusting pin extending into the wheel surface of the main driving wheel 130, so that one end of the adjusting pin abuts against the end of the main driving wheel 130, and the size of the gap between the main driving wheel 130 and the main driving shaft 120 is adjusted, thereby controlling the position of the main driving wheel 130, adjusting the coplanar tolerance between the adjusting pin and other guide wheels (such as the tensioning wheel 210 and the driven wheel) in the cutting operation system, facilitating the layout of the cutting line 300, and improving the cutting accuracy.

In a specific embodiment, the main drive bearing 140 is an angular contact bearing. The angular contact ball bearing mainly bears large unidirectional axial load, and the larger the contact angle is, the larger the load bearing capacity is, so the angular contact ball bearing is more suitable for being used in the main driving assembly 100. As shown in fig. 2, in the specific embodiment, the main driving assembly further includes an inner spacer 181 and an outer spacer 182, where the inner spacer 181 and the outer spacer 182 are respectively located at the inner side and the outer side of the main driving bearing 140, so as to facilitate adjusting the play and the preload of the main driving bearing 140, and protect the main driving bearing 140 and prevent the bearing from being damaged. Preferably, the main driving assembly further comprises an outer ring pressing block 191 and an inner ring pressing block 192, the outer ring pressing block 191 and the inner ring pressing block 192 are respectively located on the inner side and the outer side of the main driving bearing 140, the outer ring pressing block 191 is fixed with the main driving bearing seat 150, and the inner ring pressing block 192 is fixed with the main driving shaft 120. In a preferred embodiment, the main driving shaft 120 is fixed to the top of the output shaft of the main driving motor 110 by a fastening screw, so that the fixing is reliable and firm, and the motor can be disassembled conveniently.

Referring to fig. 2, as a preferred embodiment of the present invention, a through hole 152 is formed on the main driving bearing seat 150, the through hole 152 is used for lubricating oil gas, and the lubricating oil gas can escape from the gap between the through hole 152, the main driving shaft 120 and the main driving bearing seat 150. The well-mixed lubricating oil gas is introduced into the oil-gas lubricating system, so that the internal pressure of the main driving bearing 140 is higher than the external pressure, cooling water and dust are prevented from entering the bearing, and meanwhile, a good lubricating effect can be provided for the main driving bearing 140.

As shown in fig. 1 and 2, as a preferred embodiment of the present invention, the tensioning mechanism 220 is an eccentric tensioning motor, and the tensioning wheel 210 is pivotally sleeved on an eccentric shaft of the eccentric tensioning motor. The eccentric tensioning motor drives the eccentric shaft to rotate, so that the position of the tensioning wheel 210 is changed, the tension degree of the cutting line 300 is changed, and the cutting precision is guaranteed. In a specific embodiment, the moment of the eccentric tensioning motor can be detected, and when the moment is within a preset range, the diamond cutting line 300 is in a tensioning state and does not need to be adjusted; when the torque exceeds a preset range, the diamond cutting line 300 is over-tight, and at the moment, the eccentric tensioning motor needs to be started, so that the tensioning wheel 210 approaches to the main driving wheel, and the cutting line 300 is anti-loose; when the torque is smaller than the preset range, it indicates that the diamond cutting line 300 is loose, and at this time, the eccentric tensioning motor needs to be started, so that the tensioning wheel 210 is far away from the main driving wheel, the cutting line 300 is tensioned, and the tensioning work of the cutting line 300 is more convenient.

Referring to fig. 3, as another preferred embodiment of the present invention, the tensioning mechanism 220 includes a tensioning arm 221 and a weight 222, the tensioning arm 221 is a curved structure, and the tensioning wheel 210 and the weight 222 are respectively disposed at two ends of the tensioning arm 221. In practical use, the supporting member of the tensioning arm 221 is fixed on the wheel train panel, and can rotate around the supporting member, the tensioning wheel 210 and the weight 222 are respectively installed at two ends of the tensioning arm 221, and the downward gravity of the weight 222 drives the tensioning wheel 210 to rotate through the tensioning supporting assembly to apply a smooth tension to the circular diamond wire saw.

Referring to fig. 3, as a preferred embodiment of the present invention, the cutting operation system further includes a first driven wheel 400, the main driving wheel 130, the tensioning wheel 210 and the first driven wheel 400 are distributed in a triangular shape, and the cutting line 300 is annularly arranged in the wire grooves of the main driving wheel 130, the tensioning wheel 210 and the first driven wheel 400, so as to form a three-wheel-train wire saw cutting operation system.

In other preferred embodiments, as shown in fig. 4, the cutting operation system further includes a second driven wheel 500, the main driving wheel 130, the tension wheel 210, the first driven wheel 400 and the second driven wheel 500 are distributed in a quadrilateral shape, and the cutting wire 300 is annularly arranged in the wire grooves of the main driving wheel 130, the tension wheel 210, the first driven wheel 400 and the second driven wheel 500, so as to form a three-wheel-train wire saw cutting operation system. Of course, a multi-wheel-train cutting operation mechanism can be formed by reasonably arranging the number of the driven wheels so as to adapt to the cutting work of silicon crystal bars of different varieties and different specifications.

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

Claims (10)

1. A circular wire saw cutting operation system, comprising a main drive assembly, a tensioning assembly, and a cutting wire;

the main driving assembly comprises a main driving motor, a main driving shaft, a main driving wheel, a main driving bearing seat and a set screw, wherein the main driving shaft is connected with the main driving motor, the main driving bearing seat is sleeved outside the main driving shaft, a labyrinth seal structure is arranged between the main driving shaft and the main driving bearing seat, a draining chute is arranged on the end surface of one side, away from the main driving motor, of the main driving bearing seat, the draining chute is positioned between the main driving bearing seat and the main driving shaft, a draining chute is arranged on the outer wall of the main driving shaft between the main driving bearing seat and the main driving wheel, the main driving bearing seat is sleeved between the main driving shaft and the main driving bearing seat, the main driving wheel is sleeved at the end part of the main driving shaft, and the set screw penetrates through the wheel surface of the main;

the tensioning assembly comprises a tensioning wheel and a tensioning mechanism, the tensioning wheel is connected with the tensioning mechanism, the cutting line is annularly arranged in the wire grooves of the main driving wheel and the tensioning wheel, and the tensioning mechanism is used for driving the tensioning wheel to move so as to tension the cutting line.

2. The ring wire saw cutting operation system of claim 1, wherein the main drive assembly further comprises at least two adjust pins, wherein the adjust pins are abutted against the end of the main drive shaft through the wheel face of the main drive wheel, and the adjust pins are evenly distributed.

3. The circular wiresaw cutting operation system of claim 2, wherein the main drive bearing is an angular contact bearing.

4. The ring wiresaw cutting operation system of any of claims 1 to 3, wherein the main drive assembly further comprises inner and outer spacers, respectively located inside and outside the main drive bearing.

5. The ring wiresaw cutting operation system as claimed in claim 4, wherein the main drive assembly further comprises an outer ring press block and an inner ring press block, the outer ring press block and the inner ring press block are respectively located inside and outside the main drive bearing, the outer ring press block is fixed to the main drive bearing housing, and the inner ring press block is fixed to the main drive shaft.

6. The ring wiresaw cutting operation system as claimed in claim 4, wherein the main drive bearing housing is provided with a through hole for lubricating oil gas, and the lubricating oil gas can escape through the through hole, the main drive shaft and the main drive bearing housing.

7. The circular wiresaw cutting operation system as claimed in claim 1, wherein the tensioning mechanism is an eccentric tensioning motor, and the tensioning wheel is pivotally mounted on an eccentric shaft of the eccentric tensioning motor.

8. The cutting operation system for a circular wire saw according to claim 1, wherein the tension mechanism includes a tension arm and a weight, the tension arm having a curved shape, and the tension arm and the weight being respectively disposed at both ends of the tension arm.

9. The endless wire saw cutting running system according to claim 1, further comprising a first driven wheel, wherein the main driving wheel, the tension wheel and the first driven wheel are arranged in a triangular shape, and the cutting line is arranged in a circular shape in the wire grooves of the main driving wheel, the tension wheel and the first driven wheel.

10. The endless wire saw cutting running system according to claim 9, further comprising a second driven wheel, wherein the main driving wheel, the tension wheel, the first driven wheel and the second driven wheel are distributed in a quadrilateral shape, and the cutting line is annularly arranged in the wire grooves of the main driving wheel, the tension wheel, the first driven wheel and the second driven wheel.

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