CN219054891U - Wire cutting device - Google Patents

Abstract

The utility model discloses a wire cutting device which comprises a base, a cutting assembly and a supporting assembly, wherein the cutting assembly comprises a frame, cutting wheel groups rotatably connected to one side of the frame and cutting wires wound on the cutting wheel groups; the support assembly is used for supporting the workpiece and comprises a feeding support piece, a rotary support piece and a blanking support piece which are sequentially distributed on the base along a straight line, the cutting assembly is positioned between the rotary support piece and the blanking support piece, a first rotary shaft sleeve used for supporting the workpiece is formed on the rotary support piece, and a rotary driving assembly is connected to the first rotary shaft sleeve and used for driving the workpiece to rotate; the wire cutting device can realize the purpose of rotary cutting, and is beneficial to improving the processing quality of a cut-off surface; the support component provides stable supporting effect for the workpiece in the rotary cutting process, maintains stable rotation of the workpiece in the cutting process, and is high in machining efficiency.

Description

Wire cutting device

Technical Field

The utility model belongs to the technical field of wire cutting processing equipment, and particularly relates to a wire cutting device.

Background

Compared with the traditional knife saw blade, grinding wheel and inner circle cutting, the wire cutting technology has the advantages of high efficiency, high productivity, high precision and the like, and the principle is that the workpiece to be processed is rubbed by the cutting wire moving at a high speed, so that the aim of cutting is fulfilled.

In the cutting process, the cutting line forms a wire saw on the frame under the action of the cutting wheel, and the workpiece to be processed and the frame provided with the cutting line move relatively to realize the cutting of the wire saw on the workpiece.

The existing cutting machine mainly places a workpiece to be processed such as a silicon rod on a V-shaped working table or a crystal support, fixes the workpiece on the V-shaped supporting crystal support by utilizing the self gravity of the workpiece, then cuts the silicon rod to cut a short rod by taking a reciprocating diamond wire or a loop diamond wire as a cutting tool, and the supporting mode can only be applied to linear cutting, and has a limited application range and poor universality; during the rotary cutting process, effective support for workpiece rotation is not provided;

the traditional linear cutting has the defects of lower cutting efficiency, easiness in forming a cutting line bow, formation of line marks on a cutting surface, limited finishing degree of the cutting surface and the like.

Disclosure of Invention

The utility model aims to provide a linear cutting device which is used for solving the problems that a V-shaped supporting crystal support used for supporting a workpiece in the prior art is limited in application range, poor in universality, incapable of providing effective support for workpiece rotation and the like.

In order to achieve the aim of the utility model, the utility model is realized by adopting the following technical scheme:

the utility model provides a wire cutting device, which comprises:

a base;

the cutting assembly comprises a frame, cutting wheel groups rotatably connected to one side of the frame and cutting lines wound on the cutting wheel groups; an avoidance port is formed on the frame;

the support assembly is used for supporting a workpiece and comprises a feeding support piece, a rotary support piece and a blanking support piece, wherein the feeding support piece, the rotary support piece and the blanking support piece are sequentially distributed on the base along a straight line, the cutting assembly is located between the rotary support piece and the blanking support piece, a first rotary shaft sleeve used for supporting the workpiece is formed on the rotary support piece, and a rotary driving assembly is connected to the first rotary shaft sleeve and used for driving the workpiece to rotate around the axis of the workpiece.

In some embodiments of the present application, the feeding support member is rotatably connected with a second rotating shaft sleeve, the first rotating shaft sleeve and the second rotating shaft sleeve are both provided with chucks, the chucks are formed with hollow connecting portions, and the workpiece is located in the connecting portions.

In some embodiments of the present application, the rotary driving assembly includes a driving member and a transmission member, the driving member is fixed on the base, and is connected with the first rotary shaft sleeve through the transmission member.

In some embodiments of the present application, a first guiding portion is formed on the base, a second guiding portion adapted to the guiding portion is formed at the bottom of the feeding support, and in the feeding process, the feeding support drives the workpiece to be fed along the first guiding portion.

In some embodiments of the present application, the feeding device further includes a feeding driving portion connected to the feeding support, and configured to drive the feeding support to move along the first guiding portion.

In some embodiments of the present application, the blanking support is movably connected to the base, and a third guiding portion adapted to the first guiding portion is formed at the bottom of the blanking support.

In some embodiments of the present application, the blanking support includes a blanking support frame and a clamp rotatably connected to one side of the blanking support frame, and the end of the workpiece is detachably connected to the clamp.

In some embodiments of the present application, the clamp is externally connected with an auxiliary driving part, which is used for driving the clamp to rotate.

In some embodiments of the present application, a controller is further included and is electrically connected to the rotary drive assembly and the auxiliary drive for controlling the synchronous operation of the rotary drive assembly and the auxiliary drive.

In some embodiments of the present application, the cutting wheel set includes a driving wheel, a driven wheel, and a tension wheel, and the tension wheel is externally connected to an adjusting member for adjusting the tension of the cutting line.

Compared with the prior art, the utility model has the advantages and positive effects that:

the wire cutting device is characterized in that a feeding support piece, a rotary support piece and a blanking support piece for supporting a workpiece are sequentially arranged along a base, the feeding support piece is movably connected to the base except for supporting the workpiece, and after cutting is completed, the feeding support piece drives the workpiece to linearly move, so that the feeding process is stable; the rotary support piece and the blanking support frame provide synchronous power for workpiece rotation, the purpose of workpiece self-rotation is achieved when cutting is achieved, machining quality of a cut-off section is improved, hard breakage of workpieces on two sides of a cutting line is avoided when the cutting line is close to a cutting-out position, edge breakage is reduced, and improvement of the quality of the section is facilitated.

Other features and advantages of the present utility model will become apparent upon review of the detailed description of the utility model in conjunction with the drawings.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present utility model, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

Fig. 1 is a schematic perspective view of an embodiment of a wire cutting apparatus according to the present utility model;

FIG. 2 is a front view of one embodiment of a wire cutting apparatus in accordance with the present utility model;

FIG. 3 is a top view of one embodiment of a wire cutting apparatus according to the present utility model;

FIG. 4 is a left side view of one embodiment of a wire cutting apparatus in accordance with the present utility model;

FIG. 5 is a schematic view of a rotary support structure;

FIG. 6 is a cross-sectional view A-A of FIG. 5;

FIG. 7 is a schematic perspective view of a rotary support;

FIG. 8 is a schematic view of a loading support structure;

FIG. 9 is a schematic perspective view of a blanking support structure;

FIG. 10 is a schematic plan view of a blanking support structure;

in the drawing the view of the figure,

100. a base;

110. a first guide part;

200. a cutting assembly;

210. a frame;

220. a first drive wheel;

230. a second driving wheel;

240. a tension wheel; 241. an adjusting member;

250. driven wheel;

260. cutting lines;

300. a blanking support;

310. a blanking bracket;

320. a clamp; 321. a claw;

400. a rotary support;

410. a rotating bracket;

420. a first rotating sleeve;

430. a rotary drive assembly; 431. a driving member; 432. a transmission member;

500. a loading support;

510. a feeding bracket;

520. a second rotating sleeve;

600. a workpiece;

700. a chuck; 701. a connection part; 710. a fastening part;

800. an auxiliary driving part.

Detailed Description

The following description of the embodiments of the present application will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all, of the embodiments of the present application. All other embodiments, which can be made by one of ordinary skill in the art without undue burden from the present disclosure, are within the scope of the present disclosure.

In the description of the present application, it should be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate description of the present application and simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present application.

The terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present application, unless otherwise indicated, the meaning of "a plurality" is two or more.

In the description of the present application, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; may be mechanically coupled, directly coupled, or indirectly coupled via an intermediate medium. The specific meaning of the terms in this application will be understood by those of ordinary skill in the art in a specific context.

In the present utility model, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, as well as the first and second features not being in direct contact but being in contact with each other through additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.

The following disclosure provides many different embodiments, or examples, for implementing different features of the utility model. In order to simplify the present disclosure, components and arrangements of specific examples are described below. They are, of course, merely examples and are not intended to limit the utility model. Furthermore, the present utility model may repeat reference numerals and/or letters in the various examples, which are for the purpose of brevity and clarity, and which do not themselves indicate the relationship between the various embodiments and/or arrangements discussed.

As shown in fig. 1 to 3, the present application proposes a wire cutting apparatus including a base 100, a cutting assembly 200 and a supporting assembly provided on the base 100, the cutting assembly 200 including a frame 210 coupled to the base 100 or individually fixed, cutting wheel sets rotatably coupled to one side of the frame 210, and cutting wires 260 wound around the respective cutting wheel sets.

The support assembly is used for supporting the workpiece 600 and driving the workpiece 600 to rotate around the axis thereof, and comprises a feeding support 500, a rotating support 400 and a blanking support 300 which are sequentially distributed on the base 100 along a straight line.

The feeding support 500, the rotating support 400 and the blanking support 300 are respectively provided with a support position for supporting the workpiece 600, the workpiece 600 is connected in the support positions, the cutting assembly 200 is positioned between the rotating support 400 and the blanking support 300, and the workpiece 600 between the rotating support 400 and the blanking support 300 is cut.

Referring to fig. 5-7, the rotary support 400, in addition to providing support to the workpiece 600, also provides power to the rotation of the workpiece 600 such that the workpiece 600 may rotate about its own axis.

The rotary support 400 includes a rotary bracket 410 and a first rotary shaft sleeve 420 rotatably connected to the rotary bracket 410, wherein the first rotary shaft sleeve 420 is externally connected to a rotary driving assembly 430, and the rotary driving assembly 430 drives the first rotary shaft sleeve 420 to rotate, thereby driving the workpiece 600 installed in the first rotary shaft sleeve 420 to rotate.

The rotation driving assembly 430 includes a driving member 431 and a transmission member 432, the driving member 431 is fixed on the base 100, and the driving member 431 is a driving motor, which is connected with the first rotation shaft sleeve 420 through the transmission member 432.

The transmission 432 may be a belt, a chain, or the like, or may be a speed reducer.

The loading supporter 500 includes a loading bracket 510, a second rotating shaft sleeve 520 rotatably coupled to the loading bracket 510, and the workpiece 600 coupled to the second rotating shaft sleeve 520.

Referring to fig. 6 and 8, in order to facilitate connection and disconnection between the work 600 and the shaft housing, chucks 700 are provided in both the first and second rotation shaft housings 420 and 520, and hollow connection portions 701 are formed in the chucks 700.

Specifically, the connecting portion 701 of the chuck 700 is further formed therein with a fastening portion 710 for clamping the workpiece 600 in the connecting portion 701, and in a cut state, the fastening portion 710 connects and fixes the workpiece 600 to the chuck 700, and after the machining is completed, the fastening portion 710 releases the workpiece 600.

Chuck 700 may be pneumatic, hydraulic, or electric.

The feeding support 500 can provide support for the workpiece 600, and can also linearly move relative to the base 100 to realize feeding of the workpiece 600.

The feeding support member 500 controls the linear motion thereof through the feeding driving part, the feeding driving part comprises a motor and a screw rod structure connected with the output end of the motor, correspondingly, a threaded hole matched with the screw rod structure is formed below the feeding support member 500, the motor drives the screw rod to rotate, and then the feeding support member 500 is driven to move and feed along the length direction of the screw rod under the action of screw thread fit.

The feeding driving part may be other power structures such as a hydraulic cylinder or an electric push rod, in addition to the above structure.

In order to improve stability of the feeding support 500 in the moving process, a first guide portion 110 is formed on the base 100 along the length direction of the workpiece 600, a second guide portion adapted to the guide portion is formed at the bottom of the feeding support 500, and in the feeding process, the feeding support 500 drives the workpiece 600 to be fed along the first guide portion 110.

During feeding, the chuck 700 on the rotary support 400 is loosened, so that the workpiece 600 freely passes through the chuck, the feeding driving part is opened, the feeding support 500 is pushed to move forward, the workpiece 600 is fed forward along the axial direction of the workpiece 600, and the front end of the workpiece 600 is connected to the blanking support 300.

In order to make the feeding process more convenient, reduce wear, save driving force in the feeding process, a rolling part is rotatably connected in the connecting part 701 of the rotary support 400 and the feeding support 500 along the feeding direction of the workpiece 600, and the rolling part is a ball structure.

Before cutting, the feeding driving part drives the feeding supporting part 500 to move forwards along the base 100 to push the workpiece 600 to move in the connecting part 701 of the rotary driving assembly 430, and the rolling part can make the feeding process of the workpiece 600 more convenient, reduce abrasion and save driving force in the feeding process.

Referring to fig. 9 and 10, the blanking support 300 includes a blanking bracket 310 and a clamp 320, and the blanking bracket 310 is movably coupled to the base 100 in order to achieve adjustment of a cutting length of the workpiece 600.

The clamp 320 is rotatably coupled to one side of the blanking bracket 310, and a plurality of jaws 321 are formed on the clamp 332, and one end of the workpiece 600 is fixed by the jaws 321.

The cutting assembly 200 cuts the workpiece 600 between the rotary support 400 and the blanking support 300, and the cut short workpiece 600 is supported and fixed by the blanking bracket 310.

The blanking support 300 may provide power to the rotation of the workpiece 600 in addition to supporting the cut short workpiece 600, and the clamp 320 is externally connected with an auxiliary driving part 800 for driving the clamp 320 to rotate.

The rotary driving assembly 430 and the auxiliary driving part 800 are electrically connected with the controller, and the synchronous action of the rotary driving assembly 430 and the auxiliary driving part 800 is controlled, so that the rotary stability and the machining synchronism of the workpiece 600 are ensured.

When the workpiece 600 is cut, the cut short workpiece 600 can rotate together with the clamp 320 under the drive of the auxiliary driving part 800, so that the core breakage phenomenon caused by connecting and cutting residual materials of the workpiece 600 when cutting and approaching to cutting is avoided.

During the cutting process, the workpiece 600 is rotated by the rotary driving assembly 430 and the auxiliary driving part 800, the cutting line 260 is entered from one point of the workpiece 600, and is cut through the center of the circular cross section of the workpiece 600, and the theoretical machining time of the single cutting assembly 200 is half of that of the conventional machining method.

In addition, the point contact processing mode of the rotary processing optimizes the material removal effect of the cutting contact area, is beneficial to reducing the cutting force of unit materials and improving the processing precision, and realizes the finishing processing of the abrasive particles on the cut surface of the workpiece 600 by utilizing the multiple contact of the cut section and the cutting line 260.

Referring to fig. 4, the cutting wheel set includes a driving wheel, a driven wheel 250, and a tension wheel 240, and the tension wheel 240 is externally connected with an adjusting member 241 for adjusting the tension of the cutting line 260.

The driving wheel is connected with a cutting driving part, the cutting driving part is connected with a controller, the controller controls the switch of the cutting driving part, and the driven wheel 250 provides auxiliary support for the cutting line 260.

The frame 210 is formed with an avoiding opening, and the cutting line 260 passes through the avoiding opening to form a cutting section.

The number of the driving wheels is at least one, of course, two or more driving wheels may be provided, and when the number of the driving wheels is two, the first driving wheel 220 and the second driving wheel 230 are preferably provided at two sides of the avoidance opening.

In some embodiments of the present application, a wire tension detecting wheel may be further disposed in the cutting wheel set, and the wire tension detecting wheel may detect the tension of the cutting wire 260, so as to facilitate timely adjustment of the tension of the cutting wire 260.

The cutting line 260 rotates at a high speed by the driving of the cutting wheel set, and the workpiece 600 moving with respect to each escape port is simultaneously cut into a plurality of pieces by the cutting line 260.

Each of the driving wheels is individually driven by a cutting driving part (not shown), and the controller controls the synchronous switch of each cutting driving part, so that each driving wheel rotates in the same direction and starts and stops to provide power for the movement of the cutting line 260.

The design of the plurality of driving wheels can increase the driving capability of the cutting line 260, and under the condition of the same feed speed, the plurality of driving wheels are smaller than a single driving wheel in cutting process, and the surface quality of the silicon rod after cutting is good.

The cutting assembly 200 may be horizontal or vertical, in which case the workpiece 600 is positioned to the left or right of the circular cutting line 260; in the upright state, the work 600 is located on the upper side or the lower side of the circular cutting line 260.

Correspondingly, the opening position of the avoiding opening can be at the upper side, the lower side or the side of the supporting frame, and the relative movement of the workpiece 600 and the cutting assembly 200 is vertical or horizontal.

The relative movement may be performed by fixing the cutting assembly 200, or by moving the workpiece 600, or by fixing the workpiece 600 and moving the cutting assembly 200.

Taking the relative movement of the workpiece 600 and the cutting assembly 200 as vertical movement, the workpiece 600 is fixed in position, and the cutting assembly 200 moves up and down as an example, the multi-station cutting device will be described in detail:

the avoiding openings of the respective frames 210 are positioned at the bottoms of the corresponding frames 210 with the openings facing downwards, and the workpiece 600 is fixed below the avoiding openings by the support frame before cutting.

With the synchronous lifting movement of the cutting assembly 200, the escape opening is lifted and lowered, and the workpiece 600 is cut into a plurality of sections at corresponding positions.

The lifting and cutting process of the cutting assembly 200 may be implemented by a lifting mechanism (not shown), which is also connected to the controller, and the lifting process is controlled by the controller, which is not a design focus of the present application and will not be described herein.

The specific cutting process is as follows:

at the beginning, the front end of the workpiece 600 passes through the feeding support 500 and the rotating support 400 in sequence and is fixed on the blanking support 300 by the clamp 320.

The tension of the cutting line 260 is adjusted, and after the adjustment is completed, the controller controls the cutting driving part to be turned on.

The controller controls the rotation driving assembly 430 and the auxiliary driving part 800 to be synchronously started, the workpiece 600 starts to rotate automatically, the frame 210 moves under the driving of the lifting mechanism, and the workpiece 600 between the rotation support 400 and the blanking support 300 is subjected to rotation cutting.

After the cutting is completed, the controller controls the rotation driving assembly 430 and the auxiliary driving part 800 to be synchronously turned off, and the cut short workpiece 600 is detached from the jig 320 on the blanking support 300.

The chuck 700 on the rotary driving assembly 430 is loosened, so that the workpiece 600 is conveniently fed, and the feeding driving part drives the feeding support member 500 to feed along the base 100 in a direction approaching to the rotary driving assembly 430, and the workpiece 600 is fed forward along the rotary driving assembly 430 until the front end is connected to the clamp 320.

The chuck 700 on the rotary support 400 is again tightened, and the workpiece 600 is fixed to the rotary support 400, and the next stage of cutting is performed.

In the description of the above embodiments, particular features, structures, materials, or characteristics may be combined in any suitable manner in any one or more embodiments or examples.

The foregoing is merely illustrative embodiments of the present utility model, and the scope of the present utility model is not limited thereto, and any changes or substitutions easily contemplated by those skilled in the art within the scope of the present utility model should be covered by the present utility model, and the scope of the present utility model shall be defined by the appended claims.

Claims (10)

1. A wire cutting apparatus, comprising:

a base;

the cutting assembly comprises a frame and a cutting wheel set used for winding a cutting line to cut a workpiece, and the cutting wheel set is rotatably connected to one side of the frame;

the support assembly is used for supporting a workpiece and comprises a feeding support piece, a rotary support piece and a blanking support piece, wherein the feeding support piece, the rotary support piece and the blanking support piece are sequentially distributed on the base along a straight line, the cutting assembly is located between the rotary support piece and the blanking support piece, a first rotary shaft sleeve used for supporting the workpiece is formed on the rotary support piece, and a rotary driving assembly is connected to the first rotary shaft sleeve and used for driving the workpiece to rotate around the axis of the workpiece.

2. The wire cutting device according to claim 1, wherein,

the feeding support piece is rotatably connected with a second rotating shaft sleeve, chucks are arranged in the first rotating shaft sleeve and the second rotating shaft sleeve, hollow connecting portions are formed on the chucks, and the workpiece is located in the connecting portions.

3. The wire cutting device according to claim 1, wherein,

the rotary driving assembly comprises a driving piece and a transmission piece, wherein the driving piece is fixed on the base and is connected with the first rotary shaft sleeve through the transmission piece.

4. The wire cutting device according to claim 1, wherein,

the base is provided with a first guide part, the bottom of the feeding support piece is provided with a second guide part matched with the guide part, and in the feeding process, the feeding support piece drives the workpiece to be fed along the first guide part.

5. The wire cutting device of claim 4, wherein the wire cutting device comprises a wire cutting blade,

the feeding device further comprises a feeding driving part which is connected with the feeding supporting piece and used for driving the feeding supporting piece to move along the first guiding part.

6. The wire cutting device of claim 4, wherein the wire cutting device comprises a wire cutting blade,

the blanking support piece is movably connected to the base, and a third guide part matched with the first guide part is formed at the bottom of the blanking support piece.

7. The wire cutting device according to claim 1, wherein,

the blanking support piece comprises a blanking support frame and a clamp, the clamp is rotatably connected to one side of the blanking support frame, and the end part of the workpiece is detachably connected to the clamp.

8. The wire cutting device of claim 7, wherein the wire cutting device comprises a wire cutting blade,

the clamp is externally connected with an auxiliary driving part for driving the clamp to rotate.

9. The wire cutting device of claim 8, wherein the wire cutting device comprises a wire cutting blade,

the controller is electrically connected with the rotary driving assembly and the auxiliary driving part and used for controlling the synchronous action of the rotary driving assembly and the auxiliary driving part.

10. The wire cutting device according to claim 1, wherein,

the cutting wheel set comprises a driving wheel, a driven wheel and a tension wheel, and the tension wheel is externally connected with an adjusting piece and used for adjusting the tension of the cutting line.

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