CN107650281B - A multi-wire cutting machine that can realize swing cutting - Google Patents

Abstract

The invention discloses a multi-wire cutting machine that can realize swing cutting. The multi-wire cutting machine comprises: a frame; a pay-off roller, a wire take-up roller and a plurality of cutting rollers; a cutting line; The feeding device is arranged on the frame and is located below the cutting roller, and the feeding device includes: a fixed platform; a moving platform; a first branch chain, a second branch chain and a first branch chain that are respectively retractable along its axial direction Three branches, the first branch, the second branch and the third branch are all set between the moving platform and the fixed platform, and the first branch and the third branch are Two branched chains are arranged on both sides of the third branched chain; a first drive device for driving the first branched chain to expand and contract along its axial direction; second drive. The multi-wire cutting machine according to the embodiment of the present invention can realize swing cutting of the workpiece, and the multi-wire cutting machine has high cutting efficiency and cutting stability, and low wire breakage rate.

Description

A multi-wire cutting machine that can realize swing cutting

technical field

The invention relates to the field of multi-wire cutting machines, in particular to a multi-wire cutting machine that can realize swing cutting.

Background technique

The multi-wire cutting machine realizes the cutting of the workpiece through the high-speed reciprocating motion of the metal wire. The multi-wire cutting machine in the related art has problems such as low cutting efficiency, poor cutting stability, and easy wire breakage.

SUMMARY OF THE INVENTION

The present invention aims to solve one of the technical problems in the related art at least to a certain extent. To this end, the present invention proposes a multi-wire cutting machine that can realize swing cutting. The multi-wire cutting machine can realize swing cutting of workpieces. The multi-wire cutting machine has high cutting efficiency and cutting stability, and low wire breakage rate.

The multi-wire cutting machine that can realize swing cutting according to an embodiment of the present invention includes: a frame; a plurality of cutting rollers, the plurality of cutting rollers are respectively rotatably provided on the frame around a horizontal axis, and the The cutting roller is connected with the cutting drive device; the cutting line is wound on a plurality of the cutting rollers, and the two ends of the cutting line are respectively connected with the pay-off roller and the take-up roller; the feeding device, the The feeding device is arranged on the frame and is located below the cutting roller, and the feeding device includes: a fixed platform, which is fixed on the frame; a moving platform, which is set on the Above the fixed platform, the movable platform is suitable for supporting the workpiece; the first branch chain, the second branch chain and the third branch chain are respectively retractable along its axial direction, the first branch chain, the second branch chain The branch chain and the third branch chain are both arranged between the moving platform and the fixed platform, and the first branch chain and the second branch chain are arranged on both sides of the third branch chain, The third branch chain extends in the vertical direction, the upper end of the third branch chain is connected with the moving platform through the first rotation pair, the lower end of the third branch chain is fixedly connected with the fixed platform, and the The two ends of the first branch chain are respectively connected with the moving platform and the fixed platform through the second rotating pair and the third rotating pair, and the two ends of the second branch chain are respectively connected with the moving platform and the fixed platform The fourth rotating pair is connected with the fifth rotating pair, the axes of the first rotating pair, the second rotating pair, the third rotating pair, the fourth rotating pair and the fifth rotating pair are parallel to each other ; A first drive device for driving the first branch chain to expand and contract along its axial direction; a second drive device for driving the second branch chain to expand and contract along its axial direction.

The multi-wire cutting machine that can realize swing cutting according to the embodiment of the present invention can realize swing cutting of workpieces, and the multi-wire cutting machine has high cutting efficiency and cutting stability, and low wire breakage rate.

In addition, the multi-wire cutting machine that can realize swing cutting according to the embodiment of the present invention may also have the following additional technical features:

According to an embodiment of the present invention, the first driving device is a motor, and the first branch chain includes a first electric cylinder block and a first cylinder rod that can extend or retract relative to the first electric cylinder block, One of the first electric cylinder block and the first cylinder rod is connected with the moving platform through the second rotation pair, and the other one of the first electric cylinder block and the first cylinder rod is connected to the movable platform through the second rotation pair. The fixed platform is connected through the third rotation pair, and the extension and retraction of the first cylinder rod relative to the first electric cylinder block is driven by the motor.

According to an embodiment of the present invention, the second driving device is a motor, the second branch chain includes a second electric cylinder block and a second cylinder rod that can extend or retract relative to the second electric cylinder block, One of the second electric cylinder block and the second cylinder rod is connected with the moving platform through the fourth rotation pair, and the other one of the second electric cylinder block and the second cylinder rod is connected to the moving platform through the fourth rotation pair. The fixed platform is connected through the fifth rotating pair, and the telescopic extension of the second cylinder rod relative to the second electric cylinder is driven by the motor.

According to an embodiment of the present invention, the third branch chain includes a cylinder body and a rod body embedded in the cylinder body and capable of extending or retracting relative to the cylinder body. One of them is fixedly connected with the fixed platform, and the other of the cylinder body and the rod body is connected with the movable platform through the first rotation pair.

According to an embodiment of the present invention, the rack includes: a base plate; a support plate, the support plate is vertically arranged on the base plate, and one end of the fixed platform is fixedly connected to the support plate.

Optionally, the fixed platform is formed as a hollow structure.

Optionally, in the direction toward the support plate, the cross-sectional area of the fixed platform gradually increases.

According to an embodiment of the present invention, the cutting driving device includes: a driving motor, the driving motor is arranged on the frame; a plurality of synchronous pulleys, a plurality of the synchronous pulleys and a plurality of the cutting rollers One-to-one correspondence, a plurality of the synchronous pulleys are connected by a synchronous belt, and one of the plurality of the synchronous pulleys is connected with the drive motor.

Optionally, the cutting driving device further includes a tensioning wheel that is in constant contact with the synchronous belt.

Additional aspects and advantages of the present invention will be set forth, in part, from the following description, and in part will be apparent from the following description, or may be learned by practice of the invention.

Description of drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily understood from the following description of embodiments taken in conjunction with the accompanying drawings, wherein:

FIG. 1 is a perspective view (one angle) of a multi-wire cutting machine that can realize swing cutting according to an embodiment of the present invention;

FIG. 2 is a perspective view (another angle) of a multi-wire cutting machine capable of swing cutting according to an embodiment of the present invention;

3 is a schematic structural diagram (one angle) of a feeding device of a multi-wire cutting machine that can realize swing cutting according to an embodiment of the present invention;

4 is a schematic structural diagram (another angle) of a feeding device of a multi-wire cutting machine that can realize swing cutting according to an embodiment of the present invention;

FIG. 5 is a partial structural schematic diagram of a multi-wire cutting machine capable of performing swing cutting according to an embodiment of the present invention.

Reference number:

Multi-wire cutting machine 100;

Rack 1; bottom plate 11; support plate 12;

cutting roll 2;

cutting line 3;

Cutting drive device 4; drive motor 41; synchronous pulley 42; synchronous belt 43; tension pulley 44;

Feeding device 5; Fixed platform 51;

moving platform 52;

The first branch chain 53; the first electric cylinder block 531; the first cylinder rod 532; the first mounting plate 533;

The second branch chain 54; the second electric cylinder block 541; the second cylinder rod 542; the second mounting plate 543;

The third branch chain 55; the cylinder body 551; the rod body 552;

the first drive device 56;

The second drive means 57 .

Detailed ways

The following describes in detail the embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein the same or similar reference numerals refer to the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary, only used to explain the present invention, and should not be construed as a limitation of the present invention.

In the description of the present invention, it should be understood that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", The orientation or positional relationship indicated by "bottom", "axial", etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the indicated device or element must be It has a specific orientation, is constructed and operates in a specific orientation, and therefore should not be construed as a limitation of the present invention. In the description of the present invention, "plurality" means two or more, unless otherwise expressly and specifically defined.

In the description of the present invention, it should be noted that the terms "installed", "connected" and "connected" should be understood in a broad sense, unless otherwise expressly specified and limited, for example, it may be a fixed connection or a detachable connection Connection, or integral connection; may be mechanical connection or electrical connection; may be direct connection or indirect connection through an intermediate medium, may be internal communication between two elements or an interaction relationship between the two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to specific situations.

The following describes a multi-wire cutting machine 100 that can implement swing cutting according to an embodiment of the present invention with reference to FIGS. 1 to 5 .

As shown in FIGS. 1-5 , a multi-wire cutting machine 100 capable of swing cutting according to an embodiment of the present invention includes: a frame 1 , a plurality of cutting rollers 2 , a cutting wire 3 and a feeding device 5 .

A plurality of cutting rollers 2 are respectively arranged on the frame 1 rotatably around the horizontal axis, and the cutting rollers 2 are connected with the cutting driving device 4 , that is, the cutting rollers 2 are driven to rotate by the cutting driving device 4 .

The cutting wire 3 is wound on a plurality of cutting rollers 2, thereby forming an orderly cutting wire network, and the two ends of the cutting wire 3 are respectively connected with the pay-off roller (not shown in the figure) and the wire take-up roller (not shown in the figure). Connected, through the periodic forward and reverse rotation of the cutting roller 2, the cutting wire mesh performs periodic horizontal reciprocating motion, thereby realizing the cutting of the workpiece. When the cutting roller 2 performs periodic forward and reverse rotation, the pay-off roller and the take-up roller perform the pay-off and take-up correspondingly.

The feeding device 5 is arranged on the frame 1 and is located under the cutting roller 2. The feeding device 5 is used to push the workpiece to the running cutting wire mesh, so as to cut the workpiece into the desired shape through the horizontal reciprocating motion of the cutting wire mesh. of multiple slices. The feeding device 5 includes a fixed platform 51 , a movable platform 52 , a first branch chain 53 , a second branch chain 54 and a third branch chain 55 which are respectively retractable along the axial direction thereof. The fixed platform 51 is fixed on the frame 1, the moving platform 52 is set above the fixed platform 51, the moving platform 52 is suitable for supporting the workpiece, and the first branch 53, the second branch 54 and the third branch 55 are all set on the moving Between the platform 52 and the fixed platform 51, the first branch chain 53 and the second branch chain 54 are arranged on both sides of the third branch chain 55, the third branch chain 55 extends in the vertical direction, and the upper end of the third branch chain 55 It is connected with the moving platform 52 through the first rotating pair, the lower end of the third branch chain 55 is fixedly connected with the fixed platform 51, and the two ends of the first branch chain 53 are respectively connected with the moving platform 52 and the fixed platform 51 through the second rotating pair and the third The rotating pair is connected, specifically, the upper end of the first branch 53 is connected with the moving platform 52 through the second rotating pair, the lower end of the first branch 53 is connected with the fixed platform 51 through the third rotating pair, and the two branches of the second branch 54 are connected. The ends are respectively connected with the moving platform 52 and the fixed platform 51 through the fourth rotating pair and the fifth rotating pair. Specifically, the upper end of the second branch chain 54 is connected with the moving platform 52 through the fourth rotating pair, and the lower end of the second branch chain 54 Connected with the fixed platform 51 through the fifth rotating pair, the axes of the first rotating pair, the second rotating pair, the third rotating pair, the fourth rotating pair and the fifth rotating pair are parallel to each other, the first rotating pair, the second rotating pair, The axes of the third rotating pair, the fourth rotating pair and the fifth rotating pair all extend in the horizontal direction and are perpendicular to the moving direction of the cutting wire web. As shown in Figures 1-2, the cutting wire web can reciprocate in the front-rear direction. Moving, the axes of the first rotating pair, the second rotating pair, the third rotating pair, the fourth rotating pair and the fifth rotating pair all extend in the left-right direction.

The multi-wire cutting machine 100 further includes a first driving device 56 for driving the first branch chain 53 to extend and retract along its axial direction, and a second driving device 57 for driving the second branch chain 54 to extend and retract along its axial direction. By controlling the first driving device 56 and the second driving device 57, the swing cutting of the workpiece can be realized, thereby reducing the contact area between the cutting wire 3 and the workpiece, improving the cutting force, and further improving the performance of the multi-wire cutting machine 100. Cutting efficiency and cutting stability, and reducing the wire breakage rate of the multi-wire cutting machine 100 .

Specifically, as shown in FIGS. 1-2 , when the multi-wire cutting machine 100 is in operation, the cutting wire web reciprocates in the front-rear direction, and the axis of the first rotating pair extends in the left-right direction. When the first driving device 56 drives the first When the branch chain 53 is elongated along its axial direction, and the second drive device 57 drives the second branch chain 54 to shorten along its axial direction, the moving platform 52 will rotate forward around the axis of the first rotating pair, and the workpiece will also rotate forward. It swings forward around the axis of the first rotating pair; when the second driving device 57 drives the second branch chain 54 to extend along its axial direction, while the first driving device 56 drives the first branch chain 53 to shorten along its axial direction, the workpiece It will also rotate backward around the axis of the first rotating pair, and the workpiece will also swing backward around the axis of the first rotating pair. By controlling the first driving device 56 to drive the first branch chain 53 to expand and contract along its axial direction, and controlling the second driving device 57 to drive the second branch chain 54 to expand and contract along its axial direction, it is possible to realize the moving platform 52 and the workpiece around the first branch. The axis of the rotating pair swings back and forth.

The multi-wire cutting machine 100 that can realize swing cutting according to the embodiment of the present invention can realize swing cutting of the workpiece, and the multi-wire cutting machine 100 has high cutting efficiency and cutting stability, and a low wire breakage rate.

In one embodiment of the present invention, the first driving device 56 is an electric motor, and the first branch chain 53 includes a first electric cylinder block 531 and a first cylinder rod 532 that can extend or retract relative to the first electric cylinder block 531 , One of the first electric cylinder block 531 and the first cylinder rod 532 is connected to the movable platform 52 through a second rotation pair, and the other of the first electric cylinder block 531 and the first cylinder rod 532 is connected to the fixed platform 51 through a third rotation The pair are connected to each other, and the extension and retraction of the first cylinder rod 532 relative to the first electric cylinder block 531 is driven by the motor.

Specifically, in some examples, the first electric cylinder 531 and the moving platform 52 are connected through a second rotation pair, and the first cylinder rod 532 and the fixed platform 51 are connected through a third rotation pair; in other examples, as shown in FIG. 3- As shown in FIG. 4 , the first electric cylinder 531 and the fixed platform 51 are connected through a third rotation pair, and the first cylinder rod 532 and the movable platform 52 are connected through a second rotation pair. The structures of the first driving device 56 and the first branch chain 53 are simple, and the cooperation between the first driving device 56 and the first branch chain 53 is convenient. Referring to FIGS. 1-4 , one end of the first branch chain 53 is provided with a first mounting plate 533 , and the first driving device 56 is provided on the first mounting plate 533 .

In one embodiment of the present invention, the second driving device 57 is an electric motor, and the second branch chain 54 includes a second electric cylinder block 541 and a second cylinder rod 542 that can extend or retract relative to the second electric cylinder block 541 , One of the second electric cylinder block 541 and the second cylinder rod 542 is connected with the movable platform 52 through a fourth rotation pair, and the other of the second electric cylinder block 541 and the second cylinder rod 542 is connected with the fixed platform 51 through a fifth rotation The pair is connected to each other, and the extension and retraction of the second cylinder rod 542 relative to the second electric cylinder block 541 is driven by the motor.

Specifically, in some examples, the second electric cylinder 541 is connected with the moving platform 52 through a fourth rotation pair, and the second cylinder rod 542 is connected with the fixed platform 51 through a fifth rotation pair; in other examples, as shown in FIG. 3 - As shown in FIG. 4 , the second cylinder rod 542 is connected with the movable platform 52 through a fourth rotation pair, and the second electric cylinder 541 is connected with the fixed platform 51 through a fifth rotation pair. The structures of the second driving device 57 and the second branch chain 54 are simple, and the cooperation between the second driving device 57 and the second branch chain 54 is convenient. Referring to FIGS. 1-4 , one end of the second branch chain 54 is provided with a second mounting plate 543 , and the second driving device 57 is provided on the second mounting plate 543 .

In an embodiment of the present invention, the third branch chain 55 includes a cylindrical body 551 and a rod body 552 embedded in the cylindrical body 551 and capable of extending or retracting relative to the cylindrical body 551 , wherein the cylindrical body 551 and the rod body 552 One is fixedly connected to the fixed platform 51, and the other of the cylinder body 551 and the rod body 552 is connected to the movable platform 52 through a first rotating pair.

Specifically, in some examples, the cylindrical body 551 is connected with the moving platform 52 through the first rotation pair, and the rod body 552 is fixedly connected with the fixed platform 51; in other examples, as shown in FIGS. 3-4 , the cylindrical body 551 It is fixedly connected with the fixed platform 51, and the rod body 552 is connected with the movable platform 52 through the first rotating pair.

In one embodiment of the present invention, as shown in FIGS. 1 to 2 , the rack 11 includes a base plate 11 and a support plate 12 , the support plate 12 is vertically arranged on the base plate 11 , and one end of the fixing platform 51 is fixed to the support plate 12 . connected. The fixed platform 51 is cantilevered on the support plate 12, in order to improve the reliability of the connection between the fixed platform 51 and the support plate 12 and reduce the vibration generated between the fixed platform 51 and the support plate 12, preferably, as shown in Figures 1-2 As shown in the figure, the fixed platform 51 is formed as a hollow structure.

Further, as shown in FIGS. 1-2 , the cross-sectional area of the fixed platform 51 gradually increases in the direction toward the support plate 12 , thereby further improving the reliability of the connection between the fixed platform 51 and the support plate 12 properties and structural rigidity. As shown in FIGS. 1-2 , the lower surface of the fixed platform 51 may be formed as an arc surface.

In some embodiments of the present invention, the number of cutting rollers 2 is three or four, for example, in the examples shown in FIGS. 1-2 and 5 , there are three cutting rollers 2 .

In one embodiment of the present invention, the cutting driving device 4 includes a driving motor 41 and a plurality of synchronous pulleys 42 , the driving motor 41 is provided on the frame 1 , and the plurality of synchronous pulleys 42 are in one-to-one correspondence with the plurality of cutting rollers 2 The plurality of synchronous pulleys 42 are connected through a synchronous belt 43 , and one of the plurality of synchronous pulleys 42 is connected with the driving motor 41 . The drive motor 41 rotates to drive the synchronous pulley 42 connected to it to rotate, and the rotation of the synchronous pulley 42 is transmitted to the other synchronous pulleys 42 through the synchronous belt 43, and then the plurality of synchronous pulleys 42 rotate synchronously, thereby driving and The plurality of cutting rollers 2 connected to the plurality of timing pulleys 42 rotate synchronously.

Preferably, as shown in FIG. 5 , the cutting drive device 4 further includes a tensioning pulley 44 that is in constant contact with the synchronous belt 43 , thereby effectively preventing the synchronous belt 43 from loosening during the transmission process and improving the operation of the cutting driving device 4 security and reliability.

In the description of this specification, reference to the terms "one embodiment," "some embodiments," "exemplary embodiment," "example," "specific example," or "some examples", etc., is meant to incorporate the embodiments A particular feature, structure, material, or characteristic described by an example or example is included in at least one embodiment or example of the present invention. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

Although embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, The scope of the invention is defined by the claims and their equivalents.

Claims (9)

1. a kind of multi-line cutting machine that can be achieved to wave cutting characterized by comprising

Rack；

Multiple cutting rollers, multiple cutting rollers are rotatably arranged in the rack rotating around horizontal axis, and the cutting Roller is connected with cutting driving device；

Cutting line, the cutting line are wrapped on multiple cutting rollers, and the both ends of the cutting line respectively with unwrapping wire roller and Take-up roller is connected；

Feed arrangement, the feed arrangement are set to the lower section in the rack and being located at the cutting roller, the feed arrangement packet It includes:

Fixed platform, the fixed platform are fixed in the rack；

Moving platform, the moving platform are set to the top of the fixed platform, and the moving platform is suitable for support workpiece；

Respectively along its axial telescopic first branch, the second branch and third branch, first branch, second branch And the third branch is set between the moving platform and the fixed platform, and first branch and second branch are set In the two sides of the third branch, the third branch extends along the vertical direction, and the upper end of the third branch and described move are put down Platform is connected by the first revolute pair, and lower end and the fixed platform of the third branch are fixedly linked, and the two of first branch End is connected with the moving platform and the fixed platform by the second revolute pair and third revolute pair respectively, and the two of second branch End is connected with the moving platform and the fixed platform by the 4th revolute pair and the 5th revolute pair respectively, first revolute pair, Second revolute pair, the third revolute pair, the 4th revolute pair and the 5th revolute pair axis be parallel to each other；

For driving first branch along the first driving device of its axial stretching；

For driving second branch along the second driving device of its axial stretching；

Drive the first branch along its axial stretching, and the second driving device of control driving second by control first driving device Branch is along its axial stretching, it is possible thereby to realize the axis reciprocally swinging of moving platform and workpiece around the first revolute pair.

2. the multi-line cutting machine according to claim 1 that can be achieved to wave cutting, which is characterized in that the first driving dress Be set to motor, first branch include the first electronic cylinder body and the relatively described first electronic cylinder body it is extended or retract first One of them of cylinder rod, the first electronic cylinder body and first cylinder rod pass through the second revolute pair phase with the moving platform Even, another in the first electronic cylinder body and first cylinder rod passes through the third revolute pair phase with the fixed platform Even, the flexible of the relatively described first electronic cylinder body of the first cylinder rod passes through the motor driven.

3. the multi-line cutting machine according to claim 1 that can be achieved to wave cutting, which is characterized in that the second driving dress Be set to motor, second branch include the second electronic cylinder body and the relatively described second electronic cylinder body it is extended or retract second One of them of cylinder rod, the second electronic cylinder body and second cylinder rod pass through the 4th revolute pair phase with the moving platform Even, another in the second electronic cylinder body and second cylinder rod passes through the 5th revolute pair phase with the fixed platform Even, the flexible of the relatively described second electronic cylinder body of the second cylinder rod passes through the motor driven.

4. the multi-line cutting machine according to claim 1 that can be achieved to wave cutting, which is characterized in that the third branch packet It includes cylinder and is embedded in the cylinder and can the relatively described cylinder is extended or the body of rod that retracts, the cylinder and the body of rod One of them be fixedly linked with the fixed platform, another in the cylinder and the body of rod passes through institute with the moving platform The first revolute pair is stated to be connected.

5. the multi-line cutting machine according to claim 1 that can be achieved to wave cutting, which is characterized in that the rack includes:

Bottom plate；

Support plate, the support plate are vertical on the bottom plate, and one end of the fixed platform is fixedly linked with the support plate.

6. the multi-line cutting machine according to claim 5 that can be achieved to wave cutting, which is characterized in that the fixed platform is formed For engraved structure.

7. the multi-line cutting machine according to claim 5 or 6 that can be achieved to wave cutting, which is characterized in that described in On the direction of support plate, the cross-sectional area of the fixed platform is gradually increased.

8. the multi-line cutting machine according to claim 1 that can be achieved to wave cutting, which is characterized in that the cutting driving dress It sets and includes:

Driving motor, the driving motor are set in the rack；

Multiple synchronous pulleys, multiple synchronous pulleys are connected with multiple cutting roller one-to-one correspondence, multiple synchronous belts Wheel is connected by synchronous belt, and one in multiple synchronous pulleys is connected with the driving motor.

9. the multi-line cutting machine according to claim 8 that can be achieved to wave cutting, which is characterized in that the cutting driving dress Setting further includes the tensioning wheel often abutted with the synchronous belt.