CN217597508U

CN217597508U - Wire cutting machine

Info

Publication number: CN217597508U
Application number: CN202221577952.6U
Authority: CN
Inventors: 宫云庆; 孙承政; 范国强; 于云飞
Original assignee: Qingdao Gaoce Technology Co Ltd
Current assignee: Qingdao Gaoce Technology Co Ltd
Priority date: 2022-06-22
Filing date: 2022-06-22
Publication date: 2022-10-18
Anticipated expiration: 2032-06-22

Abstract

The embodiment of the application provides a wire cutting machine, includes: the cutting device comprises at least two oppositely arranged cutting rollers, wherein cutting lines are wound on the peripheries of the cutting rollers so as to form a cutting area between the cutting rollers; and the cutting fluid spraying pipe is used for spraying cutting fluid on the circumferential outer wall of the bar to be cut, is positioned above the bar to be cut and is relatively fixed with the position of the bar to be cut in the cutting process. The cutting fluid passes through the circumferential outer wall at the joint of the bar to be cut and the cutting line, so that the liquid inlet amount during cutting is increased, the heat dissipation, lubrication and chip removal capabilities are improved, and the consistency of the overall cutting quality of the bar to be cut is ensured.

Description

Wire cutting machine

Technical Field

The application relates to the technical field of wire cutting, in particular to a wire cutting machine.

Background

At present, semiconductor materials such as crystalline silicon, siC, gaN and the like are mainly cut into slices by using mortar equipment, the cutting efficiency is low, the environmental pollution of cutting auxiliary materials is large, part of manufacturers cut the semiconductor sheets on testing diamond wires, the cutting efficiency is high, the cutting auxiliary materials can be recycled, and the environmental pollution is small. Diamond wire-electrode cutting is fast, and cutting efficiency is high, and the inside heat, the miropowder that produce of material are more than the mortar cutting far away in the unit interval, and diamond wire-electrode cutting compares the mortar cutting, and the line diameter of use is thin, and cutting fluid viscosity is low, and the liquid ability of taking of diamond wire is far less than the mortar, and the volume that cutting fluid got into the cutting tool joint is few, and the effect of the lubrication of cutting fluid, chip removal and cooling descends. Particularly, the heat taken away by the diamond wire is limited, and the surface appearance index of the cut sheet is lower than that of mortar cutting due to the influence factors such as unsmooth chip removal, poor heat dissipation and the like of the bar, thermal expansion and thermal stress generation. Although sapphire is cut by using a diamond wire, the surface morphology index of the sapphire after slicing is high, and the analysis reason is similar to that of semiconductor cutting. After hard and brittle materials such as magnetic materials, quartz, ceramics and the like are cut into slices, the same problems exist for the requirements on surface quality and surface appearance.

When the existing round bar is cut, the position of the spray pipe is fixed relative to the rack, relative motion exists between the spray pipe and a workpiece, cutting fluid is sprayed on the side face of the bar, the cutting fluid is brought into a knife gap by a diamond wire when the upper half of the bar is cut, the wire diameter of the diamond wire is small, the fluid carrying amount is limited, the cutting fluid can only cover the lower part of the bar, and the heat dissipation, lubrication and chip removal capacities are reduced due to the loss of the cutting fluid, so that the cutting quality of the upper half of the bar is lower than that of the lower half of the bar.

Disclosure of Invention

The embodiment of the application provides a wire cutting machine to diamond wire takes the liquid measure limited, can only cover the lower part of rod, leads to the unable problem of guaranteeing of the first half cutting quality of rod when solving current rod cutting.

In order to achieve the above purpose, the present application provides the following technical solutions:

a wire cutting machine comprising:

the cutting device comprises at least two oppositely arranged cutting rollers, wherein cutting lines are wound on the peripheries of the cutting rollers so as to form a cutting area between the cutting rollers;

the cutting fluid spraying pipe is used for spraying cutting fluid on the circumferential outer wall of the bar to be cut, and the cutting fluid spraying pipe is located above the bar to be cut and is relatively fixed with the position of the bar to be cut in the cutting process.

Optionally, the wire cutting machine further comprises a feeding assembly located above the cutting roller and corresponding to the cutting line of the cutting zone; the feeding assembly is used for driving the bar stock to be cut to move towards the direction close to or far away from the cutting line; the cutting fluid spray pipe is fixed on the feeding assembly.

Optionally, the cutting fluid spraying pipe sprays cutting fluid on the circumferential outer wall of the bar to be cut, which is located above the cutting line of the cutting area.

Optionally, the cutting fluid spray pipe can rotate relative to the bar stock to be cut so as to adjust the spray hole orientation of the cutting fluid spray pipe.

Optionally, the cutting fluid spray pipes are arranged in two groups, the two groups of cutting fluid spray pipes are arranged on two sides of a vertical center line of the feeding assembly, and each group at least comprises one cutting fluid spray pipe.

Optionally, the cutting fluid spray pipe extends along the length direction of the bar to be cut, and the length of the cutting fluid spray pipe is greater than or equal to that of the bar to be cut.

Optionally, the feed assembly comprises:

the feeding power driving part is connected with the workpiece clamping assembly, and one end of the workpiece clamping assembly is connected with the feeding power driving part;

the cutting lining plate is fixedly arranged below the workpiece plate; the cutting liner plate is used for fixing a bar to be cut, and the cutting liner plate is provided with a butt joint part which is attached to the circumferential outer wall of the bar to be cut.

Optionally, the abutment is arcuate.

Optionally, the two groups of cutting fluid spray pipes are respectively positioned on two side walls in the width direction of the workpiece plate; the cutting fluid spray pipe is detachably and fixedly connected with the workpiece plate.

Optionally, the method further comprises:

a storage box for collecting the bar stock fragments during the cutting process, the storage box being located below the cutting line in the cutting zone formed between the cutting rollers.

The embodiment of the application provides a wire cutting machine includes: the cutting device comprises at least two cutting rollers which are oppositely arranged and form a cutting area, wherein cutting lines are wound on the peripheries of the cutting rollers; the cutting fluid spraying pipe is used for spraying cutting fluid on the circumferential outer wall of the bar to be cut, is located above the bar to be cut and is relatively fixed with the bar to be cut in the cutting process.

Adopt the wire cutting machine that provides in this application embodiment, compare in prior art, have following technological effect:

the cutting fluid shower is fixed in the top of waiting to cut the bar, with the position relatively fixed who waits to cut the bar, in cutting process, it removes to being close to or keeping away from the line of cut direction to wait to cut the bar, the cutting fluid shower sprays the circumference outer wall of treating the cut bar, the cutting fluid is through the action of gravity downstream on the outer wall of waiting to cut the bar, make the circumference outer wall of waiting to cut bar and line of cut junction have the cutting fluid to pass through, feed liquor volume when improving the cutting, improve the heat dissipation, lubrication and chip removal ability, the assurance is waited to cut the whole cutting quality of bar unanimously.

Drawings

The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the application and together with the description serve to explain the application and not to limit the application. In the drawings:

fig. 1 is a schematic structural diagram of a wire cutting machine according to an embodiment of the present application.

The drawings are numbered as follows:

the cutting device comprises a cutting roller 1, a cutting fluid spray pipe 2, a workpiece plate 3, a cutting lining plate 4 and a bar 5 to be cut.

Detailed Description

The embodiment of the invention discloses a wire cutting machine, which aims to solve the problems that when the existing bar is cut, the liquid carrying amount of a diamond wire is limited, only the lower part of the bar can be covered, and the cutting quality of the upper part of the bar cannot be guaranteed.

In order to make the technical solutions and advantages of the embodiments of the present application more apparent, the following further detailed description of the exemplary embodiments of the present application with reference to the accompanying drawings makes it clear that the described embodiments are only a part of the embodiments of the present application, and are not exhaustive of all embodiments. It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict.

Referring to fig. 1, fig. 1 is a schematic structural diagram of a wire cutting machine according to an embodiment of the present application.

In a specific embodiment, the wire cutting machine provided by the application comprises at least two oppositely arranged cutting rollers 1, a feeding assembly and a cutting fluid spray pipe 2. Wherein, wire cut electrical discharge machining can include the relative cutting roller set that sets up of a plurality of groups, preferably every cutting roller 1 of group includes two cutting rollers 1, can set up the quantity of cutting roller 1 as required. Around being equipped with the line of cut on cutting roller 1's periphery, cutting roller 1's periphery is equipped with the tooth's socket to fix the cutting line, the winding form of line of cut concrete on cutting roller 1 can set up according to prior art, and the cutting roller of two relative settings forms the cutting area, and the cutting line in the cutting area is treated cutting bar 5 and is cut.

The feeding assembly is positioned above the cutting roller 1 and is arranged corresponding to the cutting line of the cutting area. The feeding assembly is used for driving the bar 5 to be cut to move towards the direction close to or away from the cutting line, and for example, the horizontal direction of the cutting line of the cutting area is set, and the feeding assembly preferably drives the bar 5 to be cut to move along the vertical direction.

In order to spray the bar 5 to be cut and the cutting position of the cutting line at any time according to the change of the bar 5 to be cut and the cutting position of the cutting line, the cutting liquid spray pipe 2 is arranged above the cutting line, the outlet end faces towards the bar 5 to be cut, preferably, the cutting liquid spray pipe 2 is fixed on the feeding assembly and moves along with the feeding assembly, meanwhile, the cutting liquid spray pipe 2 and the bar 5 to be cut are relatively fixed in position, the cutting liquid spray pipe 2 is positioned above the bar 5 to be cut, the cutting liquid spray pipe 2 sprays the circumferential outer wall of the bar 5 to be cut, so that the cutting liquid can move along the circumferential outer wall from top to bottom and is fully distributed on the circumferential outer wall.

the cutting fluid spray pipe 2 is fixed above a bar 5 to be cut, the position of the bar 5 to be cut is relatively fixed, the bar 5 to be cut is driven by the feeding assembly to move towards or away from a cutting line, the circumferential outer wall of the bar 5 to be cut is sprayed by the cutting fluid spray pipe 2, the cutting fluid moves downwards on the outer wall of the bar 5 to be cut under the action of gravity, the circumferential outer wall of the joint of the bar 5 to be cut and the cutting line is provided with a cutting fluid, the liquid inlet amount during cutting is increased, the heat dissipation and the chip removal capacity are improved, and the integral cutting quality of the bar 5 to be cut is ensured to be consistent.

Specifically, the cutting fluid spraying pipe 2 sprays cutting fluid on the circumferential outer wall of the bar 5 to be cut, which is positioned above the cutting line of the cutting area; due to the arrangement, the cutting fluid moves from top to bottom on the circumferential outer wall of the bar 5 to be cut under the action of gravity, and can be finally collected to the joint of the bar 5 to be cut and the cutting line, so that the liquid inlet amount during cutting is increased; secondly, along with cutting fluid sprays many times, can be preferentially to the cooling in advance of the bar 5 of waiting to cut of the not cutting region in top, further optimize the radiating effect when cutting.

In this embodiment, the cutting fluid spray pipes 2 are two groups, the two groups of cutting fluid spray pipes 2 are arranged on two sides of the vertical center line of the feeding assembly, each group at least comprises one cutting fluid spray pipe 2, and the number of the cutting fluid spray pipes 2 in each group can be set according to requirements. Preferably, two sets of cutting fluid showers 2 are provided on either side of the vertical centerline of the feed assembly. The arrangement positions of the cutting fluid spray pipes 2 can be arranged according to the shape of a specific bar to be cut, and preferably, the two cutting fluid spray pipes 2 are symmetrically arranged on two sides of the vertical central line of the feeding assembly so as to be convenient to install and arrange.

The cutting fluid spray pipe 2 extends along the length direction of the bar 5 to be cut, and the length of the cutting fluid spray pipe 2 is greater than or equal to that of the bar 5 to be cut; specifically, the length of the cutting fluid spray pipe 2 can be set according to the maximum length of the bar 5 to be cut which can be cut by the wire cutting machine. It can be understood that the cutting fluid spray pipe 2 is provided with a plurality of spray holes, and the spray holes can be uniformly arranged in the length direction of the cutting fluid spray pipe 2; of course, considering that the internal pressure of the cutting fluid spray pipe 2 is different in the length direction, the hole opening distance of the spray holes can be set according to the actual condition of the internal pressure of the cutting fluid spray pipe 2. The spray holes are preferably formed in the circumferential outer wall, facing the bar 5 to be cut, of the cutting fluid spray pipe 2, and the spray holes can be formed according to the position relation between the cutting fluid spray pipe 2 and the bar 5 to be cut, and are all within the protection range of the application.

Specifically, the cutting fluid spray pipe 2 can rotate relative to the bar 5 to be cut so as to adjust the direction of a spray hole of the cutting fluid spray pipe 2; preferably, the cutting fluid spray pipe 2 rotates around the axis of the cutting fluid spray pipe 2, if a rotary driving part is arranged, one end of the rotary driving part is connected with the feeding assembly, and the other end of the rotary driving part is connected with the cutting fluid spray pipe 2; the universality of the device is improved.

Furthermore, the two groups of cutting fluid spray pipes 2 are respectively positioned on two side walls of the workpiece plate 3 in the width direction; each group comprises a cutting fluid spray pipe 2. Cutting fluid shower 2 and 3 detachable fixed connection of work sheet, from this setting to can be according to the shape of waiting to cut bar 5 of difference, the position of adjustment cutting fluid shower 2 on work sheet 3, in order to satisfy the difference and wait to cut the spraying demand of bar 5, improve device's commonality.

In one embodiment, the feed assembly moves the bar 5 to be cut from top to bottom in a vertical direction, moving closer to the cutting line.

The feeding assembly comprises:

a feed power drive and a workpiece clamping assembly; one end of the workpiece clamping component is connected with the feeding power driving part, and the other end of the workpiece clamping component is connected with the workpiece plate, so that the bar 5 to be cut is driven by the feeding power driving part to move and feed; the workpiece clamping assembly can be a plate body with a wedge-shaped groove at the bottom end, and the workpiece plate is clamped with the wedge-shaped groove to realize fixation; according to the types of different bars 5 to be cut, the workpiece plate can be replaced so as to meet the installation requirements of the bars 5 to be cut in different types; in other embodiments, the workpiece clamping assembly may also be configured as an air cylinder, an oil cylinder, or other clamping mechanism, all within the scope of the present application;

the cutting device comprises a workpiece plate 3 and a cutting lining plate 4, wherein the workpiece plate 3 is connected with a feeding power driving piece, and the cutting lining plate 4 is fixedly arranged below the workpiece plate 3; the cutting liner plate 4 is used for fixing the bar 5 to be cut, and the cutting liner plate 4 is provided with a butt joint part which is attached to the circumferential outer wall of the bar 5 to be cut.

Wherein, the workpiece plate 3 is connected with the feeding power driving piece, and the cutting lining plate 4 is fixedly arranged below the workpiece plate 3, preferably in a detachable fixed connection. The cutting mat 4 serves for fixing the bar 5 to be cut, preferably adhesively fixed. In order to increase the contact area and ensure the connection strength, the cutting liner 4 has a butt joint part which is attached to the circumferential outer wall of the bar 5 to be cut. The shape of butt joint portion can be set up according to the shape of waiting to cut bar 5, and when waiting to cut bar 5 for circular bar, butt joint portion is equipped with arc butt joint portion. In other embodiments, the specific shape of the docking portion may be set as desired, all within the scope of the present application.

In one embodiment, for the purpose of collecting the cut chips, a storage box is provided below the cutting line of the cutting zone, in which cutting fluid is provided to be able to be immersed in the cutting fluid when the cutting line cuts the bar 5 to be cut. The contact part of the cutting line of the cutting area and the bar 5 to be cut is soaked in the cutting fluid, meanwhile, the bar 5 to be cut positioned below the cutting line of the cutting area is also soaked in the cutting fluid, the cut micro powder and heat are taken away by the cutting fluid in time, the temperature of the bar cutting area is relatively constant, the thermal expansion of the bar is reduced, and the surface quality and the surface appearance of the cut sheet meet the cutting requirements. Storage box is located two relative cutting roller 1 within a definite time that sets up to the space between two cutting rollers 1 of make full use of improves space utilization. Simultaneously, in order to enlarge the debris collecting range, the flaring portion is the flaring portion through the pitch arc transition, can understand to the central line one side of using the storage box is interior, and the direction of keeping away from the central line is outer. The outer wall of flaring portion and the circumference outer wall of cutting roller 1 correspond the setting, and preferred pitch arc place circle is concentric circles with cutting roller 1 to make full use of the space between two cutting rollers 1, enlarge the piece simultaneously and collect the scope.

Simultaneously, in order not to interfere with the top edge of storage box when the line of cut cutting, the top edge of storage box is equipped with the interval of predetermineeing with the cutting line in the cutting district when not cutting between to when making the line of cut with the biggest line bow cutting, do not take place to interfere between storage box and the line of cut, improve the life of line of cut, guarantee the safety of cutting efficiency cutting in-process simultaneously.

In order to facilitate the setting, set up outage and chip removal hole respectively in the bottom of storage box, carry out the discharge of cutting fluid and the discharge of clastic respectively, the convenient clearance after the cutting operation is accomplished simplifies the operation step.

In order to further carry out automatic control to the pipeline and improve the safety of the device, a control valve is arranged on the cutting fluid spray pipe, the inlet end of the cutting fluid spray pipe is connected with the cutting fluid spray power part, the outlet end of the cutting fluid spray pipe is fixed with the feeding assembly, and the outlet end faces the circumferential outer wall of the bar to be cut.

The device has the capability of cutting sheets, can expand the application of equipment, reduce the production investment cost of customers, and simultaneously can reduce the wire breakage rate and improve the production yield.

While the preferred embodiments of the present application have been described, additional variations and modifications in those embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. Therefore, it is intended that the appended claims be interpreted as including preferred embodiments and all alterations and modifications as fall within the scope of the application.

It will be apparent to those skilled in the art that various changes and modifications may be made in the present application without departing from the spirit and scope of the application. Thus, if such modifications and variations of the present application fall within the scope of the claims of the present application and their equivalents, the present application is intended to include such modifications and variations as well.

Claims

1. A wire cutting machine, characterized by comprising:

the cutting fluid spray pipe is used for spraying cutting fluid on the circumferential outer wall of the bar to be cut, and the cutting fluid spray pipe is located above the bar to be cut and is relatively fixed with the position of the bar to be cut in the cutting process.

2. The wire cutting machine according to claim 1, characterized by further comprising a feed assembly located above said cutting roller and corresponding to said cutting wire of said cutting zone; the feeding assembly is used for driving the bar stock to be cut to move towards or away from the cutting line;

the cutting fluid spray pipe is fixed on the feeding assembly.

3. The wire cutting machine according to claim 1, wherein the cutting fluid spray pipe sprays cutting fluid to a circumferential outer wall of the bar to be cut located above the cutting line of the cutting zone.

4. The wire cutting machine of claim 2 wherein the cutting fluid spray tube is rotatable relative to the bar to be cut to adjust the spray orifice orientation of the cutting fluid spray tube.

5. The wire cutting machine of claim 2 wherein the cutting fluid showers are two groups, two groups of cutting fluid showers being disposed on either side of a vertical centerline of the feed assembly, each group including at least one cutting fluid shower.

6. The wire cutting machine of claim 5 wherein the cutting fluid spray pipe extends along the length of the bar to be cut, the cutting fluid spray pipe having a length greater than or equal to the length of the bar to be cut.

7. The wire cutting machine according to claim 2, wherein the feed assembly comprises:

the cutting device comprises a workpiece plate and a cutting lining plate, wherein the workpiece plate is connected with the other end of the workpiece clamping component, and the cutting lining plate is fixedly arranged below the workpiece plate; the cutting liner plate is used for fixing a bar to be cut, and the cutting liner plate is provided with a butt joint part which is attached to the circumferential outer wall of the bar to be cut.

8. The wire cutting machine according to claim 7, wherein the butt joint portion is arc-shaped.

9. The wire cutting machine according to claim 7, wherein two sets of the cutting fluid showers are respectively located on two side walls in the width direction of the workpiece plate; the cutting fluid spray pipe is detachably and fixedly connected with the workpiece plate.

10. The wire cutting machine according to claim 1, characterized by further comprising:

a storage box for collecting the bar stock fragments in the cutting process, wherein the storage box is positioned below the cutting line in the cutting area formed between the cutting rollers.