CN221064728U - Broken wire protection device for multi-wire cutting machine - Google Patents

Abstract

The application relates to a broken wire protection device for a multi-wire cutting machine, which comprises a frame, two rollers and a cutting wire, wherein the outer sides of the two rollers are respectively provided with a monitoring mechanism with an adjustable position, the monitoring mechanism comprises a monitoring rod, a plurality of wires are embedded in the inner side of the monitoring rod, and the cutting wire passes through the upper part of the monitoring rod and is in clearance fit with the wires; the end parts of the two rollers are provided with speed reducing structures, and the speed reducing structures are controlled by electromagnets. According to the scheme, the monitoring rod is arranged on the side edge of the roller, the wire is arranged on the inner side of the monitoring rod, the wire is connected into the control circuit of the electromagnet, whether the cutting wire breaks or not is monitored, when the cutting wire breaks, the wire is short-circuited, so that the control circuit of the electromagnet is reversed, the electromagnet further pushes the brake pad to be contacted with the speed reducing ring, the response speed of monitoring is effectively improved, and meanwhile, the adverse effect is effectively reduced due to the fact that follow-up treatment is quicker.

Description

Broken wire protection device for multi-wire cutting machine

Technical Field

The application relates to the technical field of multi-wire cutting machines, in particular to a broken wire protection device for a multi-wire cutting machine.

Background

The wire cutting machine tool is characterized in that the instantaneous high temperature of the electric spark can melt and oxidize partial metal to be corroded, so that the metal component is cut.

The utility model provides a multi-wire saw can often meet the broken string trouble at slicing operation, and the broken string leads to the holistic rejection of processing work piece easily, therefore current cutting machine all provides a take broken string protection device of proximity switch response induction block, like "CN108044820A, simple and practical multi-wire saw broken string protection device", its general principle is after the line broken string, and the line of cut utilizes its rotatory inertia to break behind the cotton line and makes the proximity switch output signal control make the machine stop operation after the response block that the cotton line was pulled drop. However, after the broken wire protection device is broken, after the induction block is separated from the proximity switch, a signal can be given by the system, and the falling time of the induction block after the broken wire can lead to the delay of the signal, along with the rapid development of an integrated circuit and a photovoltaic industry, the cutting speed of the multi-wire cutting machine is faster and faster (more than 1800 m/min), the cut finished product is thinner and thinner (thinner to 0.2 mm), the whole cut wire rod is longer and longer, and the cutting wire is broken on the cutting roller integrally due to one-point delay, so that a fried net is formed, the scrapping of a whole cut workpiece and the scrapping of the whole wire winding net are caused, and tens of thousands of times are lost, so that the whole protection of the broken wire protection device for the broken wire by the high-speed multi-wire cutting machine cannot be realized. Accordingly, in order to solve the above-mentioned problems, the present application provides a wire breakage protection device for a multi-wire saw.

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

Disclosure of utility model

The application provides a broken wire protection device for a multi-wire cutting machine, which aims to solve the problem that a cut workpiece is scrapped easily due to insufficient response speed to broken wires in a comparison file.

The application provides a broken wire protection device for a multi-wire cutting machine, which comprises a frame, wherein the inner side of the frame is rotationally connected with two rollers, a plurality of groups of cutting wires are wound on the two rollers, the outer sides of the two rollers are provided with position-adjustable monitoring mechanisms, each monitoring mechanism comprises a monitoring rod, a plurality of wires are embedded into the inner side of each monitoring rod, and the cutting wires pass through the upper part of each monitoring rod and are in clearance fit with the wires;

the end parts of the two rollers are provided with speed reducing structures, and the speed reducing structures are controlled by electromagnets;

the wire of the monitoring rod is electrically connected with the control circuit of the electromagnet.

Preferably, the wires are provided with at least two wires which are respectively electrically connected with the anode and the cathode of the electromagnet control circuit.

Preferably, the monitoring mechanism further comprises a sliding sleeve fixed at two ends of the monitoring rod and a pressing sheet positioned above the monitoring rod, and the pressing sheet is clamped above the sliding sleeve.

Preferably, the monitoring rod is provided with a plurality of placement grooves, the wires are respectively embedded in the inner sides of the placement grooves, the bottom of the monitoring rod is fixedly connected with a connecting wire welded with the wires, and the connecting wire is connected with a control circuit of the electromagnet.

Preferably, the guide rail is fixedly connected with two sides of the inner bottom of the frame through bolts, sliding blocks are sleeved on the guide rail, vertical rods are welded at the tops of the sliding blocks, and the sliding blocks are connected to the vertical rods in a sliding mode.

Preferably, the two sides of the frame are welded with brackets, the two rollers are connected between the brackets in a rotating way, one side of one of the two brackets is fixedly connected with a motor through a bolt, and output shafts of the two motors are respectively and fixedly connected with the two rollers.

Preferably, the outer walls of one side of the two brackets far away from the motor are rotationally connected with magnetic rods which are arranged in a central symmetry manner, and the electromagnets are fixedly connected to the brackets, and the end parts of the electromagnets are opposite to the end faces of the magnetic rods.

Preferably, the speed reducing structure comprises a speed reducing ring fixedly connected to the end part of the roller and a brake pad welded to the end parts of the two magnetic rods, and the brake pad is positioned on the outer side of the speed reducing ring.

In summary, the application has the following beneficial technical effects:

Through set up the monitoring pole at the side of roller, and the inboard of monitoring pole sets up the wire, insert the wire in the control circuit of electro-magnet to this monitoring cutting line fracture or not, when the cutting line fracture, the wire short circuit, thereby make the control circuit of electro-magnet reverse, with this switching-over that realizes the electro-magnet, the electro-magnet then promotes brake block and speed reducer circle contact, compare in the monitoring mode in the comparison file, effectively promoted the response speed of monitoring, it is more rapid to subsequent processing simultaneously, effectively reduce harmful effects.

Drawings

FIG. 1 is a left side isometric view of a first embodiment of the application;

FIG. 2 is a right side isometric view of a first embodiment of the application;

FIG. 3 is an enlarged view at A in a first embodiment of the application;

FIG. 4 is a diagram of a monitoring mechanism in accordance with a first embodiment of the present application;

FIG. 5 is a diagram of a monitor rod structure in accordance with a first embodiment of the present application;

Fig. 6 is a view showing an end structure of a monitor rod in the first embodiment of the present application.

Reference numerals illustrate: 1. a frame; 2. a roller; 3. cutting lines; 4. a speed reducing ring; 5. a guide rail; 6. a bracket; 7. a motor; 8. a vertical rod; 9. a monitoring rod; 10. a slide block; 11. a sliding sleeve; 12. a connecting wire; 13. tabletting; 14. a wire; 15. a placement groove; 16. a brake pad; 17. a magnetic rod; 18. an electromagnet.

Detailed Description

The application is described in further detail below with reference to fig. 1-6.

Example 1

Referring to fig. 1-6, a broken wire protection device for a multi-wire cutting machine comprises a frame 1, wherein the inner side of the frame 1 is rotatably connected with two rollers 2, a plurality of groups of cutting wires 3 are wound on the two rollers 2, one cutting wire 3 on the two rollers 2 is used for unreeling, the other cutting wire 3 is used for reeling, the outer sides of the two rollers 2 are provided with a position-adjustable monitoring mechanism, the monitoring mechanism comprises a monitoring rod 9, a plurality of wires 14 are embedded on the inner side of the monitoring rod 9, the cutting wires 3 pass through the upper side of the monitoring rod 9 and are in clearance fit with the wires 14, the monitoring mechanism further comprises a sliding sleeve 11 fixed at two ends of the monitoring rod 9 and a pressing piece 13 positioned above the monitoring rod 9, the pressing sheet 13 is clamped above the sliding sleeve 11, a clamping groove for clamping the pressing sheet 13 is formed in the upper side of the sliding sleeve 11, the clamping of the pressing sheet 13 enables the cutting line 3 to be conveniently installed, the monitoring rod 9 is provided with a plurality of placement grooves 15, the wires 14 are respectively embedded in the inner sides of the placement grooves 15, the bottom of the monitoring rod 9 is fixedly connected with a connecting wire 12 welded with the wires 14, the connecting wire 12 is connected with a control circuit of the electromagnet 18, the wires 14 are made of external exposed elastic metal materials, the wires 14 are arranged to protrude out of the upper end face of the monitoring rod 9, so that the cutting line 3 can drop onto the wires 14 after being broken, short circuit among the wires 14 is realized, and the reversing of the electromagnet 18 is controlled;

The end parts of the two rollers 2 are provided with a speed reducing structure, the speed reducing structure is controlled by an electromagnet 18, the two sides of the frame 1 are welded with brackets 6, the two rollers 2 are connected between the brackets 6 in a rotating way, one side bolt of one of the two brackets 6 is fixedly connected with a motor 7, the output shafts of the two motors 7 are respectively fixedly connected with the two rollers 2, the outer wall of one side of the two brackets 6 far away from the motor 7 is rotationally connected with a magnetic rod 17 which is arranged in a central symmetry way, the electromagnet 18 is fixedly connected with the brackets 6, the end part of the electromagnet 18 is opposite to the end surface of the magnetic rod 17, the end surface of the magnetic rod 17 has magnetism, so that after the electromagnet 18 is magnetically changed, the magnetic rod 17 can be provided with larger downward pressure, the speed reducing structure comprises a speed reducing ring 4 fixedly connected with the end part of the roller 2, and a brake pad 16 welded at the end part of the two magnetic rods 17, the brake pad 16 is positioned at the outer side of the speed reducing ring 4, the brake pad 16 is in an arc structure, a convex rib and the like is arranged on the speed reducing ring 4, and the friction between the brake pad 16 is increased;

The lead 14 of the monitoring rod 9 is electrically connected with the control circuit of the electromagnet 18, at least two lead 14 are arranged and are respectively electrically connected with the anode and the cathode of the control circuit of the electromagnet 18, the lead 14 is arranged in the control circuit of the electromagnet 18, when no cutting line 3 breaks, no short circuit occurs between the lead 14, the electromagnet 18 attracts the magnetic rod 17 at the moment, so that the brake pad 16 is far away from the reduction ring 4, when the lead 14 is short-circuited, the control circuit of the electromagnet 18 reverses, so that the electromagnet 18 magnetically converts, at the moment, the electromagnet 18 presses the brake pad 16 to approach the reduction ring 4, the reduction ring 4 is rapidly slowed down, and the roller 2 is rapidly stopped by being matched with the breaking of the motor 7, so that the influence caused by the breaking of the line is reduced;

The equal bolted connection of inboard bottom both sides of frame 1 has guide rail 5, and all sliding sleeve 11 has slider 10 on the guide rail 5, and the top welding of slider 10 has pole setting 8, and sliding sleeve 11 sliding connection is in pole setting 8, all is provided with the bolt-up structure on slider 10 and the sliding sleeve 11, utilizes the bolt to realize the position fixing, and slider 10 and sliding sleeve 11 mutually support and make the position of monitoring facilities carry out corresponding regulation, hoisting device's suitability.

The above embodiments are not intended to limit the scope of the present application, so: all equivalent changes in structure, shape and principle of the application should be covered in the scope of protection of the application.

Claims (8)

1. The utility model provides a broken wire protection device for multi-wire saw, includes frame (1), the inboard rotation of frame (1) is connected with two rollers (2), and all is equipped with a plurality of groups of cutting line (3) around on two rollers (2), its characterized in that: the outside of the two rollers (2) is provided with a position-adjustable monitoring mechanism, the monitoring mechanism comprises a monitoring rod (9), a plurality of wires (14) are embedded in the inside of the monitoring rod (9), and the cutting line (3) passes through the upper part of the monitoring rod (9) and is in clearance fit with the wires (14);

The end parts of the two rollers (2) are provided with speed reducing structures, and the speed reducing structures are controlled by electromagnets (18);

The conducting wire (14) of the monitoring rod (9) is electrically connected with the control circuit of the electromagnet (18).

2. A wire breakage protection device for a multi-wire saw as defined in claim 1, wherein: the lead (14) is provided with at least two wires which are respectively and electrically connected with the anode and the cathode of the electromagnet (18) control circuit.

3. A wire breakage protection device for a multi-wire saw as defined in claim 2, wherein: the monitoring mechanism further comprises a sliding sleeve (11) fixed at two ends of the monitoring rod (9) and a pressing sheet (13) positioned above the monitoring rod (9), and the pressing sheet (13) is clamped above the sliding sleeve (11).

4. A wire breakage protection device for a multi-wire saw as defined in claim 3, wherein: a plurality of placement grooves (15) are formed in the monitoring rod (9), the wires (14) are respectively embedded in the placement grooves (15), connecting wires (12) welded with the wires (14) are fixedly connected to the bottom of the monitoring rod (9), and the connecting wires (12) are connected to a control circuit of the electromagnet (18).

5. A wire breakage protection device for a multi-wire saw as defined in claim 1, wherein: the novel vertical rod is characterized in that the two sides of the bottom of the inner side of the frame (1) are fixedly connected with guide rails (5) through bolts, sliding sleeves (11) are arranged on the guide rails (5) and are provided with sliding blocks (10), vertical rods (8) are welded at the tops of the sliding blocks (10), and the sliding sleeves (11) are connected onto the vertical rods (8) in a sliding mode.

6. A wire breakage protection device for a multi-wire saw as defined in claim 1, wherein: both sides of the frame (1) are welded with brackets (6), two rollers (2) are connected between the brackets (6) in a rotating mode, one side of one of the two brackets (6) is fixedly connected with a motor (7) through bolts, and output shafts of the two motors (7) are fixedly connected with the two rollers (2) respectively.

7. The wire breakage protection device for a multi-wire saw of claim 6, wherein: the outer walls of one side, far away from the motor (7), of the two brackets (6) are rotationally connected with magnetic rods (17) which are arranged in a central symmetry mode, electromagnets (18) are fixedly connected to the brackets (6), and the end portions of the electromagnets (18) are opposite to the end faces of the magnetic rods (17).

8. The wire breakage protection device for a multi-wire saw of claim 7, wherein: the speed reducing structure comprises a speed reducing ring (4) fixedly connected to the end part of the roller (2) and a brake pad (16) welded to the end parts of the two magnetic rods (17), and the brake pad (16) is positioned on the outer side of the speed reducing ring (4).