CN218927960U - Multi-station wire cutting device - Google Patents

Abstract

The utility model discloses a multi-station linear cutting device which comprises a base, a plurality of supporting components and a plurality of cutting components, wherein each supporting component is connected to the base and comprises a supporting frame, and supporting positions are respectively formed in each supporting frame and used for supporting a workpiece; each cutting assembly is connected to the base and is respectively positioned between the adjacent supporting frames, and each cutting assembly comprises a frame, a cutting wheel set rotatably connected to one side of the frame and a cutting line wound on each cutting wheel set; the frame is provided with an avoidance port; in the cutting process, each cutting assembly can synchronously cut the workpiece, the process that a single cutting assembly repeatedly lifts and cuts and continuously feeds is omitted, and the cutting efficiency is high.

Description

Multi-station wire cutting device

Technical Field

The utility model belongs to the technical field of processing equipment, and particularly relates to a multi-station linear 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 generally adopts a single station to cut, the cutting efficiency is lower, in the cutting process, the cutting line is in line contact with the workpiece in a cutting area, under the condition that the workpiece is round, along with the cutting, the contact length of the cutting line and the workpiece changes, so that the stress of the cutting line changes, the tension fluctuation of the cutting line is generated, the adverse effect on the processing surface is generated, the quality of a cutting surface is poor, and the problem that the edge breakage of the workpiece is very easy to form at the fracture of the workpiece cut by the diamond wire is solved.

Disclosure of Invention

The utility model aims to provide a multi-station linear cutting device which solves the problems of low cutting efficiency, poor quality of a cutting surface, edge breakage and the like of a traditional cutting machine in the prior art.

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 multi-station linear cutting device, which comprises:

a base;

the support assemblies are connected to the base and comprise support frames, and support positions are formed in the support frames respectively and used for supporting workpieces;

the cutting assemblies are connected to the base and are respectively positioned between the adjacent supporting frames, each cutting assembly comprises a frame and a cutting wheel set used for winding a cutting line to cut a workpiece, and the cutting wheel sets are rotatably connected to one side of the frame; an avoidance port is formed in the frame.

In some embodiments of the present application, each supporting component further includes a shaft sleeve for accommodating and fixing the workpiece, the shaft sleeve is rotatably connected in the corresponding supporting position, and a rotation driving component is connected to the shaft sleeve and is used for driving the shaft sleeve to rotate and driving the workpiece to rotate.

In some embodiments of the present application, a chuck is connected within the sleeve, the chuck is formed with a hollow connection portion, and the workpiece is located within the connection portion.

In some embodiments of the present application, a fastening portion is further formed in the connecting portion of the chuck for clamping the workpiece in the connecting portion.

In some embodiments of the present application, the rotary drive assembly includes a drive member and a transmission member, the drive member being coupled to the sleeve via the transmission member.

In some embodiments of the present application, a moving track is formed on the base, and guiding portions adapted to the moving track are formed on each of the supporting frames and each of the racks, respectively.

In some embodiments of the present application, a size mark is further formed on the base along the length direction of the moving track.

In some embodiments of the present application, the feeding assembly further comprises a feeding driving part fixed on the base and a feeding piece connected with the feeding driving part, wherein the feeding piece is detachably connected with the end part of the workpiece and is used for driving the workpiece to be fed to a preset cutting position along the axial direction of the workpiece.

In some embodiments of the present application, a rolling portion is rotatably connected within the connecting portion along a feeding direction of the workpiece.

In some embodiments of the present application, the cutting wheel set comprises at least one drive wheel and a tension wheel, the drive wheel being connected to a cutting drive; the tension wheel is connected with a tensioning assembly for adjusting the tension of the cutting line.

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

the multi-station linear cutting device is provided with a plurality of cutting assemblies, in the cutting process, each cutting assembly can synchronously cut a workpiece, the process that a single cutting assembly repeatedly lifts and cuts and continuously feeds is omitted, and the cutting efficiency is high.

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 front view of one embodiment of a multi-station wire cutting apparatus in accordance with the present utility model;

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

FIG. 3 is a side view of one embodiment of a multi-station wire cutting apparatus in accordance with the present utility model;

FIG. 4 is a schematic view of the connection of the support frame to the rotary drive assembly;

FIG. 5 is a front view of the support bracket and rotary drive assembly;

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

FIG. 7 is a schematic illustration of the connection of the support frame, sleeve and chuck;

in the drawing the view of the figure,

100. a base;

200. a workpiece;

300. a support assembly;

310. a support frame;

320. a shaft sleeve;

321. a chuck; 322. a connection part; 323. a fastening part;

330. a rotary drive assembly;

340. a transmission member;

400. a cutting assembly;

410. a frame; 411. an avoidance port;

420. a first drive wheel;

430. a second driving wheel;

440. a tension wheel;

450. cutting lines.

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 provides a multi-station wire cutting apparatus including a base 100, a plurality of support members 300 coupled to the base 100, and a plurality of cutting members 400.

The support assemblies 300 are used for providing support force for the workpiece 200, and each cutting assembly 400 is respectively corresponding to a different cutting position of the workpiece 200 to cut the workpiece 200 at the different position.

Each supporting component 300 is arranged on the base 100 at intervals, and the supporting components 300 are arranged in a straight line along the length direction of the workpiece 200, so as to support different parts of the workpiece 200.

The support assembly 300 includes a support frame 310, and a support position for supporting the workpiece 200 is formed on the support frame 310; the supporting position is a connecting hole structure which is horizontally arranged.

The workpiece 200 is placed in the support position, and each cutting assembly 400 is positioned between two adjacent support frames 310 to cut a position between the two adjacent support frames 310.

Referring to fig. 3, each cutting assembly 400 includes a frame 410, cutting wheel sets rotatably coupled to one side of the frame 410, and cutting lines 450 wound around each cutting wheel set.

The frame 410 is provided with an avoidance opening 411, and the cutting line 450 passes through the avoidance opening 411 to form a cutting section for cutting the workpiece 200.

The cutting wheel set comprises a tension wheel 440 and at least one driving wheel, and the driving wheel is connected with a cutting driving piece; the tension pulley 440 is coupled to a tensioning assembly for adjusting the position of the tension pulley 440.

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 420 and the second driving wheel 430 are preferably provided at two sides of the avoidance port.

In some embodiments of the present application, driven wheels may be provided in the cutting wheel set in addition to the driving wheels, to provide support for the cutting line 450, and the driven wheels may be rotatably coupled to the frame 410, and the number of driven wheels 230 is not limited.

The cutting line 450 is rotated at a high speed by the driving of the cutting wheel set, and the workpiece 200 moving with respect to each of the escape openings 411 is simultaneously cut into a plurality of pieces by the cutting line 450.

Each drive wheel is individually driven by a cutting drive such that each drive wheel rotates in the same direction to power the movement of the cutting wire 450.

The design of a plurality of driving wheels can increase the driving capability of the cutting line 450, and under the condition of the same feed speed, the driving wheels reduce the line breakage probability compared with the single driving wheel during cutting, and the surface quality of the silicon rod after cutting is good.

After the cutting assembly 400 finishes cutting, the cut workpiece 200 is detached from the corresponding supporting position.

The opening position of the avoiding opening 411 may be at the lower side or the side of the supporting frame 310, and the relative movement of the supporting frame 310 and the cutting assembly 400 is vertical or horizontal.

Taking the relative movement of the support frame 310 and the cutting assembly 400 as vertical movement, the position of the support frame 310 is fixed, and the up-and-down movement of the cutting assembly 400 is taken as an example, the multi-station linear cutting device is described in detail:

the avoiding openings 411 of each frame 410 are positioned at the bottoms of the corresponding frames 410, the openings are downward, and before cutting, the workpiece 200 is fixed below the avoiding openings 411 through the support frame 310.

With the synchronous lifting movement of the cutting assembly 400, the escape opening 411 is lifted and lowered, and the workpiece 200 is cut into a plurality of sections at corresponding positions.

The lifting and cutting process of the cutting assembly 400 may be implemented by a lifting mechanism, and this part is not a design focus of the present application and will not be described in detail herein.

By arranging a plurality of cutting assemblies 400, the workpiece 200 can be cut into a plurality of short workpieces at the same time, the repeated cutting and continuous feeding processes of the single cutting assembly 400 are saved, and the cutting efficiency is high.

In addition, in the conventional cutting machine, the cutting line 450 is fed from the outer side Zhou Qieru of the workpiece 200, and the contact length of the cutting line 450 with the workpiece 200 increases as the cutting line 450 is fed deep into the workpiece 200 during cutting of the circular workpiece 200, and the maximum cutting length is reached when the cutting line 450 is fed to the center of the workpiece 200, and the cutting load is at the maximum.

To ensure that the cutting load is relatively stable, it is generally necessary to control the feed rate at the cutting center in the process, and when the cutting line 450 is fed beyond the center of the workpiece 200, the contact length gradually decreases as the feed proceeds until the workpiece 200 is cut, and the cutting stroke needs to pass through the entire cross section of the workpiece 200.

In some embodiments of the present application, the workpiece is cut simultaneously with the multi-station synchronous cutting and the rotary cutting.

The workpiece 200 rotates under the action of the rotary driving assembly 330 to realize rotary cutting, so that the contact between the cutting line 450 and the workpiece 200 is changed from the existing line contact to the point contact, the contact force and the contact length are greatly reduced, the processing quality of the cut end face is improved, and the processing time is shortened.

Referring to fig. 4 to 7, in particular, a shaft sleeve 320 is rotatably connected to each support frame 310 at a support position, a rotation driving assembly 330 is connected to an outside of one shaft sleeve 320, and the rotation of the workpiece 200 is controlled by the rotation driving assembly 330.

The rotary drive assembly 330 includes a drive member and a transmission member 340.

Sufficient rotational power is provided to the workpiece 300 and the bushings 320 on each support bracket 310 are connected to the rotary drive assembly 330.

In order to ensure the rotation synchronism of the workpieces 200 in each cutting segment, the rotary driving assemblies on each supporting frame 310 are connected with the controller, and in the processing process, the controller controls each rotary driving assembly 330 to synchronously move to drive the shaft sleeve 320 on each supporting frame 310 to rotate, so as to drive each workpiece 200 in each cutting segment to synchronously rotate.

Thus, when the multiple sections of the workpiece 200 are cut off, each section of short workpiece can synchronously rotate with the short workpiece of the adjacent section under the drive of the independent rotary driving assembly 330, so that the core breakage phenomenon caused by connecting and breaking residual materials of the cutting seams among the short workpieces when the cutting is adjacent to the breaking due to the asynchronous speed of the multiple sections of short workpieces is avoided.

In one embodiment, the driving member 340 may be a belt structure or a speed reducer structure.

In order to realize connection and disassembly between the workpiece 200 and the shaft sleeve 320, a chuck 321 is arranged in the shaft sleeve 320, the chuck 321 is provided with a hollow connecting part 322, the workpiece 200 penetrates through the connecting part 322, the chuck 321 fixes the workpiece 200 on the shaft sleeve 320, the workpiece 200 and the shaft sleeve 320 are ensured to synchronously rotate, and after the machining is finished, the workpiece 200 is released, so that the disassembly is convenient.

Specifically, the fastening portion 323 is further formed in the connecting portion 322 of the chuck 321, and the fastening portion 323 can move along the radial direction of the chuck 321 to clamp the workpiece 200 in the connecting portion 322, and in the cutting state, the fastening portion 323 moves toward the center of the chuck 321 to connect and fix the workpiece 200 to the chuck 321, and after the machining is completed, the fastening portion 323 moves along the direction away from the center of the chuck 321 to release the workpiece 200.

Chuck 321 may be pneumatic, hydraulic, or electric.

In some embodiments of the present application, in order to improve the versatility of the multi-station wire cutting apparatus, so that the workpiece 200 may be cut into short workpieces with different lengths according to the requirements, both the support frame 310 and the frame 410 may be disposed to be capable of moving on the base 100.

Specifically, a moving rail (not shown) axially parallel to the workpiece 200 is formed on the base 100, guide portions (not shown) adapted to the moving rail are formed on each of the support frames 310 and the frames 410, and the positions of each of the support frames 310 and the frames 410 on the moving rail are adjusted according to the actual machining length.

The base 100 is further formed with a size mark along the length direction of the moving rail to improve the accuracy of the position.

The multi-station wire cutting device further comprises a feeding assembly, wherein the feeding assembly comprises a feeding driving part fixed on the base 100 and a feeding piece connected with the feeding driving part, the feeding assembly is of a push rod structure, and the feeding driving part drives the push rod to move along the axial direction of the workpiece 200, so that the workpiece 200 is pushed to a target position from a support frame 310 on one side.

Before cutting, the feed drive portion retracts the feed member to its shortest, plugs the front end of the workpiece 200 into the support bracket 310 nearest to the feed drive portion, and then connects the feed member to the rear end of the workpiece 200.

The feed driving part is turned on to push the feed member to move forward, feed the workpiece 200 forward along the axial direction thereof, and the front end of the workpiece 200 sequentially passes through the connection parts 322 of the different support frames 310 and finally stops at the processing position.

In order to facilitate the feeding process of the workpiece 200, reduce abrasion and save driving force in the feeding process, a rolling part is rotatably connected in the connecting part 322 along the feeding direction of the workpiece 200.

Before machining, the feeding assembly pushes the workpiece 200 to move in each connecting portion 322, and the rolling portion can enable the feeding process of the workpiece 200 to be more convenient, reduce abrasion and save driving force in the feeding process.

The specific wire cutting process is as follows:

s1: the workpiece 200 to be cut is placed in a supporting position on each supporting member 300, and is fixed by a chuck 321.

S2: the cutting wires are adjusted, and the tension of each cutting wire 450 is adjusted on each cutting assembly 400 with a tension pulley and tension assembly to achieve an optimal tension.

S3: the controller controls the cutting drive on each cutting assembly 400 to turn on; the driving wheel drives the cutting line 450 to move annularly at a high speed, and the cooling liquid on the cutting assembly 400 is opened.

(during the reciprocating wire process: the take-up/pay-off drives rotate, each drive controls the reciprocating motion of the corresponding cutting wire).

The controller controls the rotation driving assembly to be turned on to drive the workpiece 200 to rotate on the supporting assembly 300 around the axis thereof.

S4: the controller controls the lifting mechanisms to act so as to drive the cutting assemblies to move downwards to cut different positions of the workpiece 200;

wherein, in the initial stage, each cutting assembly 400 is rapidly moved to a position close to the outer circumferential surface of the workpiece;

then, the workpiece 200 is cut after the workpiece is slowly moved to contact the outer circumference of the workpiece to cut into the workpiece 200, and after the cutting is performed to a depth of usually 1-3mm, since the cutting circumference of each cutting line 450 and the workpiece 200 gradually decreases with the diameter of the contact circle, the cutting load gradually decreases, and thus the downward moving speed of the cutting assembly 400 gradually increases until the cutting line 450 moves to the circular cross-section dot to reach the theoretical maximum value, and thus the workpiece 200 is cut.

S5: after the workpiece 200 is cut, the controller controls the cutting assembly to move upwards for resetting, the position of the cutting line is reset from the position of the center of the circle of the workpiece at a higher speed, and the workpiece is withdrawn.

S6: the controller controls the cutting driving piece and the rotary driving assembly to stop, the workpiece stops rotating, and the cooling liquid is closed.

S7: detaching each cut piece of the work piece 200 from the corresponding support assembly 300;

s8: the controller controls the feed drive member to feed the workpiece 200 forward into the support position of the support assembly 300 via the feed member, and the next cut is performed until the workpiece is completely cut.

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 multi-station wire cutting apparatus, comprising:

a base;

the support assemblies are connected to the base and comprise support frames, and support positions are formed in the support frames respectively and used for supporting workpieces;

the cutting assemblies are connected to the base and are respectively positioned between the adjacent supporting frames, each cutting assembly comprises a frame and a cutting wheel set used for winding a cutting line to cut a workpiece, and the cutting wheel sets are rotatably connected to one side of the frame; an avoidance port is formed in the frame.

2. The multi-station wire cutting apparatus according to claim 1, wherein,

each supporting component further comprises a shaft sleeve used for accommodating and fixing a workpiece, the shaft sleeve is rotatably connected in the corresponding supporting position, the shaft sleeve is connected with a rotary driving component, and the rotary driving component is used for driving the shaft sleeve to rotate and driving the workpiece to rotate.

3. The multi-station wire cutting apparatus according to claim 2, wherein,

the shaft sleeve is internally connected with a chuck, the chuck is provided with a hollow connecting part, and the workpiece is positioned in the connecting part.

4. A multi-station wire cutting apparatus according to claim 3, wherein,

and a fastening part is formed in the connecting part of the chuck and used for clamping the workpiece in the connecting part.

5. The multi-station wire cutting apparatus according to claim 4, wherein,

the rotary driving assembly comprises a driving piece and a transmission piece, and the driving piece is connected with the shaft sleeve through the transmission piece.

6. The multi-station wire cutting apparatus according to claim 1, wherein,

the base is provided with a moving track, and each supporting frame and each rack are respectively provided with a guide part matched with the moving track.

7. The multi-station wire cutting apparatus according to claim 6, wherein,

and a size mark is further formed on the base along the length direction of the moving track.

8. The multi-station wire cutting apparatus according to claim 2, wherein,

the feeding assembly comprises a feeding driving part fixed on the base and a feeding piece connected with the feeding driving part, wherein the feeding piece is detachably connected with the end part of the workpiece and used for driving the workpiece to be fed to a preset cutting position along the axial direction of the workpiece.

9. A multi-station wire cutting apparatus according to claim 3, wherein,

and a rolling part is rotatably connected in the connecting part along the feeding direction of the workpiece.

10. The multi-station wire cutting apparatus according to claim 1, wherein,

the cutting wheel set comprises at least one driving wheel and a tension wheel, and the driving wheel is connected with a cutting driving piece; the tension wheel is connected with a tensioning assembly for adjusting the tension of the cutting line.

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