CN218874024U - Wire moving structure of linear cutting machine - Google Patents

Abstract

The utility model relates to the technical field of wire-cutting machine tools, and discloses a wire-cutting structure of a wire-cutting machine tool. An adjustment assembly is arranged on one side of a winding roller on a supporting vertical plate, and a first wire-feeding structure is installed on one side of the winding roller. Roller, the second wire roller is installed on the side of the first wire roller away from the take-up roller on the support vertical plate, and the limit clamp is installed on the side of the second wire roller away from the second wire roller on the support vertical plate There is a tensioning assembly between the second wire-feeding roller and the limiting nip roller; the electrical signal is transmitted to the motor through the tension sensor, so that the motor starts, and the output shaft of the motor drives the screw to rotate, thereby driving the fixed frame in the The slide bar and the screw rod move up and down, thereby driving the first wire roller on the tension sensor to move down, so as to adjust the tension state of the electrode wire, thereby improving the cutting effect of the workpiece and facilitating the fine processing of the electrode wire , effectively improving the accuracy of the workpiece.

Description

A wire-cutting structure of a wire-cutting machine tool

technical field

The utility model relates to the technical field of wire-cutting machine tools, in particular to a wire-cutting structure of the wire-cutting machine tool.

Background technique

Wire cutting is the abbreviation of numerical control electric discharge wire cutting processing. Its working principle is to use the moving wire as the tool electrode, and pass a pulse current between the wire and the workpiece, and use the corrosion of the pulse discharge to cut the workpiece. , because it uses a wire electrode, it can only be used for contour cutting.

In the patent with the authorized publication number CN216829030U, a wire feeding device of a wire cutting machine tool is disclosed. By setting a limit ring groove on the first wire feed roller, the second wire feed roller and the limit nip roller, Utilizing the mutual cooperation between them, it is possible to limit the electrode wire during the wire walking process, prevent the electrode wire from sliding left and right, improve the stability of the wire running, and thus improve the processing quality. In addition, by setting the electric pusher The rod can quickly clamp the workpiece, and the work efficiency is high.

The above-mentioned existing technical solutions have the following defects: although the wire electrode is limited during the wire walking process, the wire electrode will relax due to the discharge of the wire electrode and its own force, which will affect the performance of wire cutting. For this reason, a wire-cutting structure of wire-cutting machine tool is proposed.

The disclosure of the information in this background section is only intended to increase the understanding of the general background of the application, and should not be considered as an acknowledgment or in any form to imply that the information constitutes the prior art known to those skilled in the art.

Utility model content

The purpose of this utility model is to provide a wire-cutting machine tool wire-feeding structure, to solve the above-mentioned background technology. , the electrode wire will relax, which will affect the processing accuracy of wire cutting.

In order to achieve the above object, the utility model provides the following technical solutions: a wire-cutting machine tool structure, including a workbench, the bottom of the workbench is equipped with support legs, the top of the workbench is installed with a support vertical plate, the A winding roller is installed on the support vertical plate, an adjustment assembly is arranged on one side of the winding roller on the support vertical plate, a first wire-feeding roller is installed on one side of the winding roller, and the support vertical plate A second wire roller is installed on the side of the first wire roller away from the take-up roller, and a limiting nip roller is installed on the side of the support vertical plate away from the second wire roller. A tensioning assembly is arranged between the second wire-feeding roller and the limiting nip roller.

As a further preference of this technical solution: the adjustment assembly includes two fixed plates, a slide bar and a screw rod, both of the two fixed plates are fixedly connected to one side of the support vertical plate, and the slide bar is fixed Connected between the two fixed plates, the screw rod is movably connected between the two fixed plates, the outer side of the sliding rod and the screw rod is movably sleeved with a fixed frame, and one side of the fixed frame It is fixedly connected to the tension sensor, and the outer side of the tension sensor is movably connected with the first wire-feeding roller.

As a further preference of this technical solution: the tensioning assembly includes two slide rails, a counterweight slide plate and a connecting shaft, and the two slide rails are fixedly connected to one side of the support vertical plate and are located on the second walkway. Between the silk roll and the limiting nip roller, the counterweight slide plate is slidably connected to the outer sides of the two slide rails, the connecting shaft is fixedly connected to one side of the counterweight slide plate, and the outer side of the connecting shaft is movably socketed There are pressure rollers, a connecting plate is fixedly connected between the two slide rails, and a telescopic spring is fixedly connected between the counterweight sliding plate and the connecting plate.

As a further preferred solution of this technical solution: a motor is installed on the top of one of the fixing plates, and the output shaft of the motor is fixedly connected to one end extending to the outside of one of the fixing plates.

As a further preferred embodiment of the technical solution: the point signal output end of the tension sensor is signal-connected to the electrical signal input end of the motor.

As a further preferred embodiment of the technical solution: the sliding rod is connected to the fixing frame by sliding, and the threaded rod is connected to the fixing frame through a thread.

Compared with the prior art, the beneficial effect of the utility model is: the utility model transmits the electric signal to the motor through the tension sensor, so that the motor starts, and the output shaft of the motor drives the screw to rotate, thereby driving the fixed frame on the slide bar And the wire rod moves downwards, so as to drive the first wire roller on the tension sensor to move downwards, so as to adjust the tension state of the electrode wire, thereby improving the cutting effect of the workpiece, facilitating the fine processing of the electrode wire, and effectively The accuracy of the processed workpiece is improved.

Description of drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the following will briefly introduce the drawings that need to be used in the description of the embodiments or the prior art. Obviously, the accompanying drawings in the following description are only These are some embodiments of the present application. Those skilled in the art can also obtain other drawings based on these drawings without creative work.

Fig. 1 is the main view structure schematic diagram of the utility model;

Fig. 2 is the schematic diagram of enlarged structure of A district in Fig. 1 of the present utility model;

Fig. 3 is a structural schematic diagram of the pressing roller of the present invention.

Explanation of reference signs: 1. workbench; 2. supporting legs; 3. supporting vertical plate; 4. winding roller; 5. fixing plate; 6. sliding rod; 7. screw rod; 8. fixing frame; Sensor; 10. First wire feed roller; 11. Motor; 12. Second wire feed roller; 13. Limit nip roller; 14. Slide rail; 15. Counterweight slide plate; 16. Connecting shaft; 17. Pressure roller; 18, connecting plate; 19, telescopic spring.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. example. Based on the embodiments of the present utility model, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of the present utility model.

It should be noted that the structures, proportions, sizes, etc. shown in the drawings of this specification are only used to match the content disclosed in the specification, for those who are familiar with this technology to understand and read, and are not used to limit the conditions that this application can implement , so it has no technical substantive meaning, and any modification of structure, change of proportional relationship or adjustment of size shall still fall within the scope of the disclosure disclosed in this application without affecting the effect and purpose of this application. The technical content must be within the scope covered.

Example

In the prior art, although the wire electrode is limited during the wire-feeding process, the wire electrode will loosen due to the discharge of the wire electrode and its own force, thereby affecting the machining accuracy of wire cutting.

Please refer to Figures 1-3, the utility model provides a technical solution: a wire cutting machine tool structure, including a workbench 1, the bottom of the workbench 1 is equipped with a support leg 2, and the top of the workbench 1 is installed with a support stand Plate 3, a winding roller 4 is installed on the supporting vertical plate 3, and the winding roller 4 is fixed on the supporting vertical plate 3 through a servo motor, and the output shaft of the servo motor drives the winding roller 4 to rotate, and the winding can be completed, and the supporting An adjustment assembly is arranged on one side of the winding roller 4 on the vertical plate 3, and the first wire feeding roller 10 is installed on one side of the winding roller 4, and the first wire feeding roller 10 is located on the supporting vertical plate 3 away from the winding roller 4 A second wire feeding roller 12 is installed on one side of the support vertical plate 3, and a limiting nip roller 13 is installed on a side where the second wire feeding roller 12 is away from the second wire feeding roller 12. By setting the limiting nip roller 13, thereby To limit the position of the electrode wire, a tension assembly is arranged between the second wire feeding roller 12 and the limiting nip roller 13 .

By setting the adjusting component, the tension state of the electrode wire can be adjusted, thereby improving the cutting effect of the workpiece, facilitating the fine machining of the electrode wire, and effectively improving the precision of the processed workpiece. The adjusting component includes two fixing plates 5 , the slide bar 6 and the screw mandrel 7, the two fixed plates 5 are all fixedly connected to one side of the supporting vertical plate 3, the slide bar 6 is fixedly connected between the two fixed plates 5, and the screw rod 7 is movably connected to the two fixed plates 5, the outer side of the slide bar 6 and the screw mandrel 7 is movably sleeved with a fixed frame 8, one side of the fixed frame 8 is fixedly connected to the tension sensor 9, and the outer side of the tension sensor 9 is movably connected with the first wire-feeding roller 10. Sliding connection between the rod 6 and the fixed frame 8, threaded connection between the screw rod 7 and the fixed frame 8, a motor 11 is installed on the top of one of the fixed plates 5, and the output shaft of the motor 11 is fixedly connected to one of the fixed plates 5, the point signal output terminal of the tension sensor 9 is connected to the electrical signal input terminal of the motor 11; the electrical signal is transmitted to the motor 11 through the tension sensor 9, so that the motor 11 is started, and the output shaft of the motor 11 drives the screw rod 7 rotates, thereby driving the fixed frame 8 to move downward on the slide rod 6 and the screw rod 7, thereby driving the first wire feeding roller 10 on the tension sensor 9 to move downward, thereby adjusting the tension state of the electrode wire .

By arranging the tensioning assembly, the tension force of the electrode wire is improved to avoid affecting the cutting process of the electrode wire. The tensioning assembly includes two slide rails 14, a counterweight slide plate 15 and a connecting shaft 16, and the two slide rails 14 are fixed Connected to one side of the supporting vertical plate 3 and located between the second wire feeding roller 12 and the limit nip roller 13, the counterweight slide plate 15 is slidably connected to the outside of the two slide rails 14, and the connecting shaft 16 is fixedly connected to the counterweight slide plate 15, the outer side of the connecting shaft 16 is movably sleeved with a pressure roller 17, a connecting plate 18 is fixedly connected between the two slide rails 14, and a telescopic spring 19 is fixedly connected between the counterweight slide plate 15 and the connecting plate 18; When the tension of the electrode wire is slightly loosened, the counterweight slide plate 15 will move on the slide rail 14, so that the counterweight slide plate 15 drives the pressure roller 17 to move downward, causing the telescopic spring 19 to shrink to a certain extent, and the counterweight slide plate 15 will Under the action of 15 gravity, the tension of the electrode wire is adjusted.

Working principle or structural principle, during the use of the wire cutting machine tool, when the electrode wire becomes loose, the electric signal is transmitted to the motor 11 through the tension sensor 9, so that the motor 11 is started, and the output shaft of the motor 11 drives the screw rod 7 to rotate , thereby driving the fixed frame 8 to move downward on the slide bar 6 and the screw mandrel 7, thereby driving the first wire feeding roller 10 on the tension sensor 9 to move downward, thereby adjusting the tension state of the electrode wire, thereby improving The cutting effect of the workpiece is convenient for the fine machining of the electrode wire, which effectively improves the precision of the workpiece.

When the tension of the electrode wire is slightly loosened, the counterweight slide plate 15 will move on the slide rail 14, so that the counterweight slide plate 15 will drive the pressure roller 17 to move downward, so that the telescopic spring 19 will shrink to a certain extent, through the counterweight The tension of the electrode wire is adjusted under the action of the gravity of the slide plate 15, thereby increasing the tension of the electrode wire and avoiding affecting the cutting process of the electrode wire.

Although the embodiments of the present invention have been shown and described, those skilled in the art can understand that various changes and modifications can be made to these embodiments without departing from the principle and spirit of the present invention , replacements and modifications, the scope of the present utility model is defined by the appended claims and their equivalents.

Claims (6)

1. A wire-cutting machine tool wire walking structure, comprising a workbench (1), is characterized in that: the bottom of the workbench (1) is equipped with support legs (2), and the top of the workbench (1) is equipped with Support the vertical plate (3), the winding roller (4) is installed on the support vertical plate (3), and the side of the winding roller (4) on the support vertical plate (3) is provided with an adjustment assembly, so A first wire feeding roller (10) is installed on one side of the winding roller (4), and the first wire feeding roller (10) is installed on the side away from the winding roller (4) on the support vertical plate (3) There is a second wire-feeding roller (12), and a limiting nip roller (13) is installed on the side of the second wire-feeding roller (12) away from the second wire-feeding roller (12) on the support vertical plate (3), so A tension assembly is arranged between the second wire feeding roller (12) and the limiting nip roller (13). 2. A wire-feeding structure for a wire-cutting machine tool according to claim 1, characterized in that: the adjustment assembly includes two fixing plates (5), sliding rods (6) and screw rods (7), The two fixed plates (5) are all fixedly connected to one side of the support vertical plate (3), the slide bar (6) is fixedly connected between the two fixed plates (5), and the screw mandrel ( 7) movably connected between the two fixed plates (5), the outside of the slide bar (6) and the screw mandrel (7) are movably socketed with a fixed frame (8), and the fixed frame (8) One side is fixedly connected to a tension sensor (9), and the outer side of the tension sensor (9) is movably connected to a first wire-feeding roller (10). 3. A wire-feeding structure for a wire-cutting machine tool according to claim 1, characterized in that: the tension assembly includes two slide rails (14), a counterweight slide plate (15) and a connecting shaft (16 ), the two slide rails (14) are fixedly connected to one side of the support vertical plate (3) and are located between the second wire feeding roller (12) and the limit nip roller (13), and the counterweight slide plate ( 15) slidingly connected to the outer sides of the two slide rails (14), the connecting shaft (16) is fixedly connected to one side of the counterweight slide plate (15), and the outer side of the connecting shaft (16) is movably sleeved with A pressure roller (17), a connection plate (18) is fixedly connected between the two slide rails (14), and a telescopic spring (19) is fixedly connected between the counterweight slide plate (15) and the connection plate (18) . 4. The wire-feeding structure of a wire-cutting machine tool according to claim 2, characterized in that: a motor (11) is mounted on the top of one of the fixing plates (5), and the output shaft of the motor (11) is fixed It is connected to one end extending to the outside of one of the fixing plates (5). 5. A wire-feeding structure for a wire-cutting machine tool according to claim 4, characterized in that: the point signal output end of the tension sensor (9) is signal-connected to the electrical signal input end of the motor (11). 6. The wire-feeding structure of a wire-cutting machine tool according to claim 2, characterized in that: the sliding rod (6) is connected to the fixed frame (8), and the screw rod (7) is connected to the fixed frame (8) are connected by thread.

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