CN213614529U

CN213614529U - Wire cutting device

Info

Publication number: CN213614529U
Application number: CN202022107088.0U
Authority: CN
Inventors: 朱小矿; 胡蝶
Original assignee: NINGBO KONIT INDUSTRIES Inc
Current assignee: NINGBO KONIT INDUSTRIES Inc
Priority date: 2020-09-23
Filing date: 2020-09-23
Publication date: 2021-07-06
Anticipated expiration: 2030-09-23

Abstract

The application provides a linear cutting device relates to novel numerical control cutting process field. The device comprises: a frame; the first to fourth guiding and positioning devices are arranged on the rack; the driving platform is arranged on the rack; the tensioning platform is movably arranged on the driving platform; the linear motor is arranged on the driving platform and used for driving the tensioning platform to reciprocate; and the cutting line bypasses the first to fourth guiding and positioning devices, and two ends of the cutting line are adjustably fixed on the tensioning platform. The device can accurately control the cutting process of the pressed compact and greatly improve the qualification rate of cutting processing.

Description

Wire cutting device

Technical Field

The application relates to the field of novel numerical control cutting machining, in particular to a linear cutting device.

Background

The wire cutting technology is a more advanced processing technology in the world, common wire cutting equipment comprises a multi-wire cutting machine and a single-wire cutting machine, and the processing principle is that a workpiece to be processed is rubbed by a cutting wire moving at a high speed, so that the purpose of cutting is achieved. In recent years, the wire cutting technology is gradually implemented in the magnetic material processing industry, and is mainly used for cutting sintered neodymium iron boron blanks.

According to some special requirements, a part of sintered neodymium iron boron manufacturers adopt a production process of cutting and processing green compacts which are not sintered and then sintering the cut green compacts. But the density of the pressed compact is lower than that of the sintered blank, the pressed compact is easy to damage by conventional equipment during cutting, the product percent of pass is low, the pressed compact needs to be processed under the inert gas protection atmosphere, the requirement on the conventional equipment is strict, and the cost is higher.

For solving the problem of cutting the pressed compact, patent CN105127510A provides a scroll saw cutting equipment, utilizes the straight reciprocating motion of cutting line to carry out cutting process to the pressed compact, can cut a plurality of stations simultaneously, and machining efficiency is higher. However, the driving mechanism is connected with the wire saw bent frame through the flexible chain part, the reciprocating cutting stroke is difficult to control accurately, the driving mechanism is arranged at the top of the equipment, the overall stress of the equipment is unbalanced in the cutting process, large vibration is easy to generate, and the service life of the equipment and the cutting precision of a pressed blank are influenced.

Disclosure of Invention

The application provides a wire cutting device can improve the pressed compact cutting accuracy, improves cutting process's qualification rate, effectively avoids the shake phenomenon of line of cut.

The features and advantages of the present apparatus will become apparent from the following detailed description, or may be learned by practice of the present application.

According to an aspect of the present application, there is provided a cutting device including: a frame; the first to fourth guiding and positioning devices are arranged on the rack; the driving platform is arranged on the rack; the tensioning platform is movably arranged on the driving platform; the linear motor is arranged on the driving platform and used for driving the tensioning platform to reciprocate; and the cutting line bypasses the first to fourth guiding and positioning devices, and two ends of the cutting line are adjustably fixed on the tensioning platform.

According to some embodiments, the tensioning platform further comprises a supporting seat, a first adjusting plate and a second adjusting plate, wherein the first adjusting plate and the second adjusting plate are arranged on the supporting seat and respectively provided with a threaded hole; the fastening nut is arranged in the threaded hole and used for adjusting the tension of the cutting line; and the fastening pieces are arranged on the fastening nuts and are used for respectively fixing the end parts of the cutting lines.

According to other embodiments, the structure that the fastening nut is matched with the threaded hole and the fastening piece is designed, so that the fixing and tensioning efficiency of the cutting line can be improved, the tension of the cutting line can be flexibly adjusted, and the shaking phenomenon of the cutting line is effectively avoided.

According to further embodiments, the first to fourth guiding and positioning means comprise rollers and/or sheaves. The roller and/or the grooved wheel have guiding and limiting functions, and the length of the roller and/or the grooved wheel is 1-2 meters.

According to some embodiments, the drive table comprises a guide rail on which the tensioning platform is movably arranged.

According to other embodiments, the cutting line can be adjusted according to actual requirements, and the pressed blank can be synchronously processed during cutting.

According to some embodiments, the first to fourth guiding and positioning means are arranged as a rectangle, a trapezoid or a parallelogram.

According to further embodiments, the cutting device comprises: the working platform is used for arranging a workpiece to be processed; the first driving mechanism is used for driving the working platform to move along a first direction; and the second driving mechanism is used for driving the working platform to move along the second direction.

According to some embodiments, the apparatus further comprises a clamping mechanism disposed on the work platform for automatically clamping the workpiece to be processed.

According to some embodiments, the rigid driving mechanism formed by the linear motor realizes reciprocating linear motion, can accurately control the cutting stroke, and improves the cutting machining precision.

According to the technical scheme of the application, the roller or the grooved wheel is driven to rotate by the cutting line instead of the conventional processing mode that the roller or the grooved wheel drives the cutting line to reciprocate, the roller or the grooved wheel is only used for guiding and positioning, the vibration of equipment with the structure is small, and the service life of the equipment is long.

It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the application.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without exceeding the protection scope of the present application.

Fig. 1 shows a schematic view of a wire cutting apparatus according to an exemplary embodiment.

Fig. 2 shows a schematic view of a tensioning platform according to an exemplary embodiment.

Fig. 3 shows a schematic view of a wire cutting apparatus according to another exemplary embodiment.

The reference numbers illustrate: 101, a machine frame, 102a first roller, 102b second roller, 103 driving tables, 104a third roller, 104b fourth roller, 105 tensioning platforms, 106 linear motors, 107 working platforms, 108 first driving mechanisms, 109 second driving mechanisms and 110 cutting lines;

201a first adjusting plate, 201b second adjusting plate, 202 threaded hole, 203a first fastener, 203b second fastener, 204 fastening nut;

302a first sheave, 302b second sheave, 304a third sheave, 304b fourth sheave.

Detailed Description

Example embodiments will now be described more fully with reference to the accompanying drawings. Example embodiments may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein; rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the concept of example embodiments to those skilled in the art. The same reference numerals denote the same or similar parts in the drawings, and thus, a repetitive description thereof will be omitted.

The described features, structures, or characteristics may be combined in any suitable manner in one or more embodiments. In the following description, numerous specific details are provided to give a thorough understanding of embodiments of the disclosure. One skilled in the relevant art will recognize, however, that the embodiments of the disclosure can be practiced without one or more of the specific details, or with other means, components, materials, devices, or the like. In such cases, well-known structures, methods, devices, implementations, materials, or operations are not shown or described in detail.

Furthermore, the terms "include" and "have," as well as any variations thereof, are intended to cover non-exclusive inclusions. For example, a process, method, system, article, or apparatus that comprises a list of steps or elements is not limited to only those steps or elements listed, but may alternatively include other steps or elements not listed, or inherent to such process, method, article, or apparatus.

The terms "first," "second," and the like in the description and claims of the present application and in the above-described drawings are used for distinguishing between different objects and not for describing a particular order. Furthermore, the terms "include" and "have," as well as any variations thereof, are intended to cover non-exclusive inclusions.

For providing a can high-efficient tensile wire cutting device of regulation line of cut, the utility model discloses a wire cutting device is equipped with the tensioning platform, last tight set nut and the fastener of being provided with of tensioning platform for fixed and regulation line of cut carries out the tensioning to the cutting wire.

For providing a can accurate control cutting stroke's wire cutting device, the utility model discloses a wire cutting device is equipped with the drive table, the drive table sets up in the frame, be equipped with linear electric motor on the drive table, be used for the drive tensioning platform reciprocating motion not only can accurate control cutting stroke, and can improve the cutting machining precision.

Furthermore, the wire cutting device also comprises a first guiding and positioning device, a second guiding and positioning device, a third guiding and positioning device and a fourth guiding and positioning device, wherein the first guiding and positioning device, the second guiding and positioning device and the fourth guiding and positioning device are arranged on the machine frame, are matched with the tensioning platform to tension the cutting wire and guide the cutting wire.

The first to fourth guiding and positioning means may comprise rollers and/or sheaves.

Embodiments of the present application will be described in detail below with reference to the accompanying drawings.

Figure 1 shows a schematic view of a multi-wire sawing device according to an exemplary embodiment.

As shown in fig. 1, the wire cutting apparatus may include a frame 101, a driving stage 103, a tensioning stage 105, a linear motor 106, a cutting wire 110, and first to fourth

guide positioning devices

102a, 102b, 104a, 104 b.

According to an example embodiment, the rack 101 may be disposed on the ground. The frame 101 may be of a steel frame construction or an aluminum alloy construction, for example.

Referring to fig. 1, the first to fourth guiding and positioning devices are rollers, which are a first roller 102a, a second roller 102b, a third roller 104a and a fourth roller 104b, respectively, and the first to

fourth rollers

102a, 102b, 104a and 104b may be disposed on the frame 101. For example, the first to

fourth rollers

102a, 102b, 104a, 104b may be fixed to the frame 101 by fasteners such as screws.

Referring to fig. 1, a driving stage 103 may be provided on the frame 101. For example, the driving stage 103 may be a plate frame structure.

According to an exemplary embodiment, the tensioning platform 105 is movably arranged on said drive table 103. For example, the tensioning platform 105 is driven by a linear motor 106. A linear motor 106 may be provided on the driving stage for driving the tension platform 105 to reciprocate.

According to some embodiments, when the tensioning platform 105 moves vertically upwards, the first and

second rollers

102a, 102b and the third and

fourth rollers

104a, 104b rotate clockwise under the drive of the cutting wire 110. When the tensioning platform 105 is moved vertically downwards, the first and

second rollers

102a, 102b and the third and

fourth rollers

104a, 104b are rotated counterclockwise by the cutting line. The first and

second rollers

102a, 102b and the third and

fourth rollers

104a, 104b have guiding and limiting functions, can reach 1-2 meters in length, and can be arranged in a rectangle, parallelogram or trapezoid under the view angle of fig. 1.

According to an example embodiment, the driving stage 103 may include a guide rail on which the tension platform 105 is movably disposed so as to be freely reciprocated.

The cutting line 110 may be passed around the first to

fourth rollers

102a, 102b, 104a, 104 b. According to an exemplary embodiment, both ends of the cutting wire 110 are adjustably secured to the tensioning platform 105. Thus, the first to

fourth rollers

102a, 102b, 104a and 104b ensure the position of the cutting line during reciprocating cutting, and reduce the jitter of the cutting line.

According to some embodiments, the cutting lines can comprise at least two cutting lines, the specific number of the cutting lines can be adjusted according to actual requirements, and the pressed blanks can be synchronously processed during cutting, so that the processing efficiency is improved.

According to an example embodiment, the aforementioned wire cutting apparatus may further include a work table 107, a first driving mechanism 108, and a second driving mechanism 109.

Referring to fig. 1, the work table 107 is used for setting a workpiece to be processed; the work platform 107 may be of steel frame construction or aluminum alloy construction, for example.

A first driving mechanism 108 for driving the working platform 107 to move along a first direction; generally comprising an electric motor, a drive shaft, a belt.

The second driving mechanism 109 is used for driving the working platform 107 to move along the second direction, and products in various forms, such as squares, tile shapes and the like, can be cut through the linkage of the first driving mechanism 108 and the second driving mechanism 109.

According to an embodiment, the system further comprises a clamping mechanism arranged on the working platform 107 for automatically clamping the workpiece to be processed.

According to an example embodiment, the first direction in the system is perpendicular to the second direction.

According to an exemplary embodiment, the linear motor 106 can realize direct transmission, eliminate various positioning errors caused by intermediate links, and accurately control the reciprocating speed and the displacement stroke of the tensioning platform.

As shown in fig. 2, the tension platform includes: the support base 200, the first adjusting plate 201a, the second adjusting plate 201b, the threaded hole 202, the fastening nut 204, the first fastener 203a, the second fastener 203 b.

According to an example embodiment, the support shoe 200 may be disposed on the tension platform 105. The support base 200 may be of an aluminum alloy structure or a steel structure, for example.

Referring to fig. 2, a first adjusting plate 201a and a second adjusting plate 201b are disposed on the support base 200, and the first adjusting plate 201a and the second adjusting plate 201b have screw holes 202, respectively.

According to some embodiments, a tightening nut 204 is provided in the threaded hole 202 for adjusting the tension of the cutting wire 110.

Referring to fig. 2, a first fastening member 203a and a second fastening member 203b are provided on the fastening nut 204 for respectively fixing both ends of the cutting line 110.

According to an exemplary embodiment, the first fastener 203a secures one end of the string 110 and the second fastener 203b secures the other end of the string 110 in the tensioning platform 105.

According to an embodiment, the first fastening member 203a is threadedly coupled to the fastening nut 204, the fastening nut 204 is coupled to the first adjustment plate 201a through the threaded hole 202, and the tension adjustment of the cutting line 110 is accomplished by rotating the fastening nut 204.

According to other embodiments, the fastening nut 204 is designed to be matched with the threaded hole 202, the first fastening piece 203a and the second fastening piece 203b, so that the fixing and tensioning efficiency of the cutting line can be improved, the tension of the cutting line can be flexibly adjusted, and the shaking phenomenon of the cutting line is effectively avoided.

According to an exemplary embodiment, the cutting lines 110 may include at least two cutting lines, each cutting line 110 is limited and guided by a line groove in each of the first to

fourth rollers

102a, 102b, 104a, and 104b, the number of the cutting lines may be adjusted according to actual requirements, the lengths of the first to

fourth rollers

102a, 102b, 104a, and 104b may also be adjusted according to actual requirements, and the line cutting apparatus may cut a plurality of green compacts simultaneously, thereby greatly improving the processing efficiency.

Fig. 3 shows a schematic view of an apparatus according to an alternative of an exemplary embodiment.

As shown in fig. 3, the first to fourth guiding and positioning devices are sheave structures, which are a first sheave 302a, a second sheave 302b, a third sheave 304a and a fourth sheave 304b, respectively, the first to

fourth sheaves

302a, 302b, 304a and 304b can limit and guide one cutting line 110, the number of the first to

fourth sheaves

302a, 302b, 304a and 304b is not limited to one, and can be adjusted according to actual requirements, and when there are a plurality of cutting lines 110, the sheaves can be configured to be corresponding numbers.

The foregoing detailed description of the embodiments of the present application has been presented to illustrate the principles and implementations of the present application, and the description of the embodiments is only intended to facilitate the understanding of the methods and their core concepts of the present application. Meanwhile, a person skilled in the art should, according to the idea of the present application, change or modify the embodiments and applications of the present application based on the scope of the present application. In view of the above, the description should not be taken as limiting the application.

Claims

1. A wire cutting apparatus, comprising:

a frame;

the first to fourth guiding and positioning devices are arranged on the rack;

the driving platform is arranged on the rack;

the tensioning platform is movably arranged on the driving platform;

the linear motor is arranged on the driving platform and used for driving the tensioning platform to reciprocate;

the cutting line bypasses the first to the fourth guiding and positioning devices, two ends of the cutting line are respectively and adjustably fixed on the tensioning platform,

wherein the tensioning platform comprises:

a supporting seat;

the first adjusting plate and the second adjusting plate are arranged on the supporting seat and are respectively provided with a threaded hole;

the fastening nut is arranged in the threaded hole and used for adjusting the tension of the cutting line;

and the fastening pieces are arranged on the fastening nuts and are used for respectively fixing the end parts of the cutting lines.

2. The apparatus of claim 1, wherein the first through fourth guide positioning devices comprise rollers and/or sheaves.

3. The device according to claim 2, characterized in that the length of the roller is 1 to 2 meters.

4. The apparatus of claim 1, wherein the drive stage comprises a guide rail on which the tensioning platform is movably disposed.

5. The apparatus of claim 1, wherein the first through fourth guide positioning means are arranged in a rectangular, trapezoidal or parallelogram shape in the wire cutting apparatus.

6. The apparatus of claim 1, further comprising:

and the working platform is used for arranging the processed workpiece.

7. The apparatus of claim 6, further comprising:

and the clamping mechanism is arranged on the working platform and is used for automatically clamping the processed workpiece.

8. The apparatus of claim 6, further comprising:

the first driving mechanism is used for driving the working platform to move along a first direction;

and the second driving mechanism is used for driving the working platform to move along the second direction.

9. The apparatus of claim 8, wherein the first direction is perpendicular to the second direction.