CN216804016U

CN216804016U - Wire breakage detection structure for multi-wire cutting machine

Info

Publication number: CN216804016U
Application number: CN202123176425.2U
Authority: CN
Inventors: 张晓明; 姜玲玲; 王久辉; 张闯; 张启
Original assignee: Apmaster Wolters Shenyang Precision Machinery Co ltd
Current assignee: Apmaster Wolters Shenyang Precision Machinery Co ltd
Priority date: 2021-12-17
Filing date: 2021-12-17
Publication date: 2022-06-24
Anticipated expiration: 2031-12-17

Abstract

The utility model discloses a wire breakage detection structure for a multi-wire cutting machine, and belongs to the field of photovoltaic product cutting equipment. A broken wire detection structure for a multi-wire cutting machine is composed of position-adjustable nylon wire adjusting supports (10) and a detection device (11), wherein the nylon wire adjusting supports (10) are mounted on a machine body close to a cutting roller (9), and a nylon wire (5) is fixedly connected with a torsion spring (3) of the detection device (11) through the nylon wire adjusting supports (10). The wire breakage detection device has the advantages that the wire breakage detection of the multi-wire cutting machine is realized more accurately and sensitively, the structure is simple, the stability and the reliability are realized, and the loss caused by untimely shutdown during wire breakage processing is avoided.

Description

Wire breakage detection structure for multi-wire cutting machine

Technical Field

The utility model relates to a broken line detection structure for a multi-coin cutting machine, and belongs to the field of photovoltaic product wafer cutting equipment.

Background

With the progress of the times, the urgent needs for sustainable development and popularization and environmental protection are that the development and utilization of new energy fields are becoming the development trend in the future. Solar energy is being vigorously developed by governments of various countries as a relatively excellent new energy source, and therefore, the multi-wire saw for processing photovoltaic products has great market demands.

The multi-wire sawing machine is a new type of cutting equipment with a brand new concept, called wire saw for short, and carries abrasive materials into a semiconductor processing area for grinding through the high-speed reciprocating motion of a diamond wire, so that hard and brittle materials such as semiconductors and the like are simultaneously cut into hundreds of thin slices at one time. The diamond wire used for slicing the multi-wire cutting machine is broken sometimes. Once the wire is broken, if the machine cannot be stopped in time, the workpiece and the equipment are extremely easy to damage, and irreparable economic loss is caused. The nylon wire of the existing wire breakage detection device is generally far away from the cutting roller, the position is lack of an adjusting method, and the nylon wire cannot be broken with a certain probability when the device is broken. There is therefore a pressing need for an improvement in the precision sensitivity of the wire break detection.

Disclosure of Invention

The utility model aims to provide a broken wire detection structure for a multi-wire cutting machine aiming at the defects and requirements of the prior art, and solves the technical problems of low reliability and low precision sensitivity of the existing broken wire detection device.

In order to solve the technical problems, the technical scheme adopted by the utility model is as follows:

a broken wire detection structure for a multi-wire cutting machine comprises position-adjustable nylon wire adjusting supports and a detection device, wherein the nylon wire adjusting supports are mounted on a machine body, the position of each nylon wire adjusting support is close to a cutting roller, and a nylon wire is fixedly connected with a torsion spring of the detection device through the nylon wire adjusting supports.

Preferably, the nylon wire adjusting brackets are preferably four groups, and two ends of each cutting roller are respectively provided with one group.

Preferably, the nylon thread adjusting bracket has the following structure: the connecting plate is fixed on the lathe bed, a closed sheep eye bolt is arranged on the connecting plate, the connecting plate and the connecting plate are fixedly installed together, the adjusting block is installed on the connecting plate through an adjusting bolt, the adjusting block is a front-end pointed plate and rear-end rectangular plate, a waist hole is formed in the rectangular plate of the adjusting block, and the adjusting bolt is arranged in the waist hole.

Preferably, the connecting plate is a T-shaped plate, the closed sheep eye bolt is arranged on a transverse plate of the connecting plate, and the connecting block is arranged on a vertical plate of the connecting plate.

Preferably, the front end of the pointed plate of the adjusting block is provided with a thin groove, edges and corners of the periphery of the groove are polished smoothly, and the nylon thread is guided into the groove.

Preferably, the connecting plate is fixedly connected with the lathe bed through a closed sheep eye bolt and a screw arranged on the connecting plate.

Preferably, the detection device has the following structure: the mounting plate is fixed on the lathe bed, a limiting plate and a proximity switch are arranged on the mounting plate, and a strip hole is formed in the center of the limiting plate; a spring wire at one end of the torsion spring is provided with a hook which passes through a long hole in the center of the limiting plate, and the position of the hook is arranged at the position of the induction end of the proximity switch; one end spring wire of the torsion spring is fixed on the two torsion spring fixing screws which are fixedly arranged on the bed body, the mounting plate is provided with a closed sheep eye bolt, and the nylon wire penetrates through the closed sheep eye bolt to be connected with the hook.

Preferably, one end of the nylon wire is tied on the closed-end sheep eye bolt of the first group of the nylon wire adjusting brackets, and then sequentially passes through the groove of each nylon wire adjusting bracket and the closed-end sheep eye bolt, and the other end of the nylon wire is tied on the hook of the torsion spring.

Due to the adoption of the technical scheme, the utility model has the following beneficial effects:

the utility model relates to a broken wire detection structure for a multi-wire cutting machine, which realizes accurate and sensitive detection of broken wires of the multi-wire cutting machine, has a simple structure, is stable and reliable, and avoids economic loss caused by broken wires.

Drawings

Fig. 1 is a schematic view of the overall layout structure of the present invention.

Fig. 2 is a complete structural schematic view of the utility model hidden from view after the cutting roller is hidden.

FIG. 3 is an enlarged view of the last nylon wire adjusting bracket and the detecting device of the present invention.

Wherein: 1. mounting a plate; 2. a limiting plate; 3. a torsion spring; 4. a proximity switch; 5. a nylon thread; 6. a connecting plate; 7. connecting blocks; 8. an adjusting block; 9. a cutting roller; 10. a nylon thread adjusting bracket; 11. a detection device; 12. a waist hole; 13. adjusting the bolt; 14. a torsion spring fixing screw; 15. and (4) hanging hooks.

Detailed Description

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the description below are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.

As shown in fig. 1, 2 and 3, the utility model is a broken wire detection structure for a multi-wire cutting machine, which is composed of a nylon wire 5 which is arranged on a machine body and can adjust the position, a nylon wire adjusting bracket 10 and a detection device 11, wherein each nylon wire adjusting bracket 10 is arranged on the machine body close to a cutting roller 9, and the nylon wire 5 is fixedly connected with a torsion spring 3 of the detection device 11 through each nylon wire adjusting bracket 10.

As shown in fig. 3, the nylon wire adjusting brackets 10 are preferably provided in four sets, one set being provided at each end of each cutting roll 9. The structure of the nylon thread adjusting bracket 10 is as follows: the connecting plate 6 fixed on the lathe bed, the connecting plate 6 are T-shaped plates, the connecting plate 6 is fixedly connected with the lathe bed through the closed sheep eye bolt and the screw arranged on the connecting plate, the connecting block 7 is fixedly installed on the connecting plate 6, the closed sheep eye bolt is arranged on the transverse plate of the connecting plate 6, and the connecting block 7 is installed on the vertical plate of the connecting plate 6. Adjusting block 8 passes through adjusting bolt 13 to be installed on connecting block 7, and adjusting block 8 is front end point shaped plate rear end rectangular plate, is equipped with waist hole 12 on adjusting block 8's the rectangular plate, sets up adjusting bolt 13 in the waist hole 12, and the front end of adjusting block 8's point shaped plate is opened has thin recess, and the peripheral edges and corners of recess is through the meticulous rounding off of polishing, and 5 leading-in recesses of nylon wire penetrate the sheep eye bolt of remaining silent.

As shown in fig. 3, the detecting device 11 has the following structure: the mounting plate 1 is fixed on the lathe bed, a limiting plate 2 and a proximity switch 4 are arranged on the mounting plate 1, and a strip hole is formed in the center of the limiting plate 2; a spring wire at one end of the torsion spring 3 is provided with a hook 15, the hook passes through a long hole in the center of the limiting plate 2, and the position of the hook 15 is arranged at the position of the induction end of the proximity switch 4; one end spring wire of the torsion spring 3 is fixed on the two torsion spring fixing screws 14, the two torsion spring fixing screws 14 are fixedly installed on the bed body, the mounting plate 1 is provided with a closed sheep eye bolt, and the nylon wire 5 penetrates through the closed sheep eye bolt to be connected with the hook 15.

As shown in fig. 2, one end of the nylon thread 5 is fastened to the closed-end eye bolt of the first nylon thread adjusting bracket 10, and then passes through the groove of each nylon thread adjusting bracket 10 and the closed-end eye bolt in sequence, and the other end of the nylon thread 5 is fastened to the hook 15 of the torsion spring 3.

The specific operation mode is as follows: as shown in fig. 3, during assembly, a nylon wire 5 is tied on a hook 15 of a torsion spring 3, the nylon wire 5 is tensioned to drive the hook 15 to be blocked in front of an induction end of a proximity switch 4, and the nylon wire 5 penetrates through a closed sheep eye bolt and is guided into a groove at the tip end of an adjusting block 8; as shown in fig. 1 and 2, the nylon wire 5 is pulled into the groove at the tip of the next adjusting block 8 along the edge of the cutting roller 9, passes through the two closed sheep eye bolts 5 and is pulled to the cutting roller 9 at the other side, and the whole wiring mode is symmetrical; the nylon thread is guided into the groove of the fourth adjusting block 8 and then is threaded into the last closed sheep eye bolt 5 to be fastened. In the assembling process, the positions of the four adjusting blocks 8 can be adjusted, and the nylon wire 5 is close to the two cutting rollers 9 as much as possible on the premise of no interference. In the equipment course of working, if the diamond wire fracture in cutting zone, huge tension release in the line breaks the nylon wire, and the couple of torsional spring 3 pops open to the other end of limiting plate 2 central rectangular hole before the gauge head of proximity switch 4, and equipment reports to the police. When the nylon wire is far away from the cutting roller, the nylon wire can not be broken at a certain probability when the diamond wire is broken.

The utility model realizes accurate and sensitive detection of broken wires of the multi-wire cutting machine, has simple structure, stability and reliability, avoids economic loss caused by broken wires, can be used in similar scenes and is convenient for wide popularization and application. The nylon thread described in the present invention can be replaced by other thread ropes made of similar materials, which should not be used to limit the scope of the present invention. For example: cotton thread rope, polyester thread rope and the like are adopted.

In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The preferred embodiments of the utility model disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the utility model to the precise forms disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the utility model and the practical application, to thereby enable others skilled in the art to best utilize the utility model. The utility model is limited only by the claims and their full scope and equivalents.

Claims

1. A broken wire detection structure for a multi-wire cutting machine is characterized by comprising position-adjustable nylon wire adjusting supports (10) and a detection device (11), wherein the nylon wire adjusting supports (10) are mounted on a machine body close to a cutting roller (9), and a nylon wire (5) is fixedly connected with a torsion spring (3) of the detection device (11) through the nylon wire adjusting supports (10).

2. The breakage detecting structure for multi-wire saw according to claim 1, wherein the nylon wire adjusting brackets (10) are preferably four sets, and one set is installed at each end of each cutting roller (9).

3. The breakage detecting structure for multi-wire saw according to claim 1 or 2, wherein the nylon wire adjusting bracket (10) has a structure as follows: fix connecting plate (6) on the lathe bed, be provided with on connecting plate (6) and close the sheep eye bolt, connecting block (7) and connecting plate (6) fixed mounting together, adjusting block (8) are installed on connecting block (7) through adjusting bolt (13), and adjusting block (8) are front end point shaped plate rear end rectangular plate, are equipped with waist hole (12) on the rectangular plate of adjusting block (8), set up adjusting bolt (13) in waist hole (12).

4. The wire breakage detection structure for the multi-wire cutting machine according to claim 3, wherein the connecting plate (6) is a T-shaped plate, the closed sheep eye bolt is arranged on a transverse plate of the connecting plate (6), and the connecting block (7) is arranged on a vertical plate of the connecting plate (6).

5. The wire breakage detecting structure for a multi-wire saw as claimed in claim 3, wherein the front end of the pointed plate of the adjusting block (8) is provided with a thin groove, the edge of the periphery of the groove is finely ground and rounded, and the nylon wire (5) is guided into the groove.

6. The structure of claim 3, wherein the connecting plate (6) is fixedly connected with the machine bed through a closed-end sheep eye bolt and a screw.

7. The structure for detecting the breakage of a multi-wire saw according to claim 1 or 2, characterized in that said detecting means (11) are structured as follows: the mounting plate (1) is fixed on the lathe bed, the limiting plate (2) and the proximity switch (4) are arranged on the mounting plate (1), and the center of the limiting plate (2) is provided with a long hole; a spring wire at one end of the torsion spring (3) is provided with a hook (15) which passes through a long hole at the center of the limiting plate (2), and the position of the hook is arranged at the position of the induction end of the proximity switch (4); one end spring wire of the torsion spring (3) is fixed on the two torsion spring fixing screws (14), the two torsion spring fixing screws (14) are fixedly installed on the bed body, the closed sheep eye bolt is installed on the installation plate (1), and the nylon wire (5) penetrates through the closed sheep eye bolt to be connected with the hook (15).

8. The breakage detecting structure for the multi-wire saw according to claim 1, wherein one end of the nylon wire (5) is fastened to the closed sheep eye bolt of the first set of the nylon wire adjusting brackets (10), and then passes through the groove and the closed sheep eye bolt of each nylon wire adjusting bracket (10) in sequence, and the other end of the nylon wire (5) is fastened to the hook (15) of the torsion spring (3).