WO2019072030A1

WO2019072030A1 - Multi-wire cutter

Info

Publication number: WO2019072030A1
Application number: PCT/CN2018/101968
Authority: WO
Inventors: 刘辛军; 吕春哲; 孟齐志; 谢福贵; 李勇; 郑佳凯; 孙旭东; 杜秀娟; 高少蕾
Original assignee: 烟台力凯智能科技有限公司; 清华大学
Priority date: 2017-10-12
Filing date: 2018-08-23
Publication date: 2019-04-18

Abstract

A multi-wire cutter (100) comprising: a frame (1); multiple cutting rollers (2) rotatably provided on the frame (1) and connected to a cutting drive device (4); cutting wires (3) wound around the multiple cutting rollers (2) and having two ends respectively connected to a wire delivering roller and a wire winding roller; and a feed device (5) provided on the frame (1) below the cutting rollers (2), so as to achieve both vertical and horizontal feeding of a workpiece, and/or to achieve oscillating feeding of a workpiece. The multi-wire cutter has multiple functions and is highly versatile with excellent cutting capabilities.

Description

Multi-wire cutting machine

Technical field

The present invention relates to the field of multi-wire cutting machines, and more particularly to a multi-wire cutting machine.

Background technique

The multi-wire cutting machine realizes the cutting of the workpiece by the high-speed reciprocating motion of the wire. The feeding system of the multi-wire cutting machine in the related art can only feed the workpiece in the vertical direction, thereby only processing the flat sheet. In the case of a profiled part, it is impossible to process a curved sheet-like part (for example, a tile-shaped structural part or the like), and the multi-wire cutting machine of the related art also has problems such as low cutting efficiency, poor cutting stability, and easy disconnection.

Summary of the invention

The present invention aims to solve at least one of the technical problems in the related art to some extent. To this end, the present invention provides a multi-wire cutting machine which has many functions, good versatility, and good cutting performance.

A multi-wire cutting machine according to an embodiment of the present invention includes: a frame; a plurality of cutting rolls, each of which is rotatably disposed on the frame about a horizontal axis, and the cutting roller and the cutting drive The device is connected to the cutting line, the cutting line is wound on the plurality of cutting rollers, and the two ends of the cutting line are respectively connected with the take-up roller and the take-up roller; the feeding device for feeding the workpiece is fed, The feeding device is disposed on the frame and under the cutting roller, and the feeding device is configured to simultaneously feed the workpiece in a vertical direction and a horizontal direction; and/ Or the sway feed of the machined workpiece can be achieved.

The multi-wire cutting machine according to the embodiment of the invention has many functions, good versatility, and good cutting performance.

In addition, the multi-wire cutting machine according to an embodiment of the present invention may further have the following additional technical features:

According to an embodiment of the present invention, the feeding device includes: a fixed platform, the fixed platform is fixed on the frame; a moving platform for supporting a workpiece, the moving platform is disposed above the fixed platform a first branch and a second branch, the first branch and the second branch being disposed between the fixed platform and the movable platform, the first branch having a first upper end, a first lower end portion and a first intermediate portion between the first upper end portion and the first lower end portion, the second branch having a second upper end portion, a second lower end portion, and the a second intermediate portion between the upper end portion and the second lower end portion, wherein between the first lower end portion and the fixed platform, between the second lower end portion and the fixed platform a rotating pair and a moving pair actively driven in a horizontal direction, the first intermediate portion and the second intermediate portion having a rotating pair, the first upper end portion and the moving platform, the second upper end And a rotating pair between the portion and the moving platform, and between the first upper end portion and the moving platform One of the second upper end portion and the movable platform has a moving pair driven in a horizontal direction; a first for driving the relative movement between the first lower end portion and the fixed platform in a horizontal direction a driving device; a second driving device for driving the relative movement between the second lower end portion and the fixed platform in a horizontal direction.

According to an embodiment of the invention, the movable platform is provided with a guide rail for guiding the movement of the first upper end portion or the second upper end portion.

According to an embodiment of the present invention, the first driving device includes a first motor and a first lead screw, the first lead screw includes a first screw and a first nut sleeved on the first screw, The second driving device includes a second motor and a second lead screw, the second lead screw includes a second screw and a second nut sleeved on the second screw, the first screw and the first screw The second screw is connected to the second motor, and the first screw and the second screw both extend in a horizontal direction and are fixed to the fixed platform side by side and spaced apart from each other. The first lower end portion and the first nut are connected by a rotating pair, and the second lower end portion and the second nut are connected by a rotating pair.

According to an embodiment of the present invention, the feeding device includes: a fixed platform, the fixed platform is fixed on the frame; a moving platform, the moving platform is disposed above the fixed platform, and the moving platform Suitable for supporting the workpiece; third, fourth and fifth branches respectively extending along the axial direction thereof, the third branch, the fourth branch and the fifth branch are respectively provided Between the movable platform and the fixed platform, and the third branch and the fourth branch are disposed on two sides of the fifth branch, and the fifth branch extends in a vertical direction The upper end of the fifth branch is connected to the moving platform through a first rotating pair, and the lower end of the fifth branch is fixedly connected to the fixed platform, and the two ends of the third branch are respectively associated with the The movable platform and the fixed platform are connected by a second rotating pair and a third rotating pair, and two ends of the fourth branch are respectively connected to the moving platform and the fixed platform through the fourth rotating pair and the fifth rotating pair The first rotating pair, the second rotating pair, the third rotating pair, the fourth rotating pair, and the fifth turn The sub-axis parallel to each other; means for driving said third drive means along a third branched axially telescopic; for driving the fourth drive means along the fourth branched axially telescopic.

According to an embodiment of the invention, the third driving device is a motor, and the third branch includes a first electric cylinder and a first cylinder rod that can be extended or retracted relative to the first electric cylinder. One of the first electric cylinder block and the first cylinder rod is connected to the moving platform through the second rotating pair, and the other of the first electric cylinder block and the first cylinder rod The fixed platform is connected by the third rotating pair, and the expansion and contraction of the first cylinder rod relative to the first electric cylinder is driven by the motor.

According to an embodiment of the invention, the fourth driving device is a motor, and the fourth branch includes a second electric cylinder block and a second cylinder rod that can be extended or retracted relative to the second electric cylinder block, One of the second electric cylinder block and the second cylinder rod is connected to the moving platform through the fourth rotating pair, and the other of the second electric cylinder body and the second cylinder rod The fixed platform is connected by the fifth rotating pair, and the expansion and contraction 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 fifth branch includes a barrel and a rod body embedded in the barrel and extendable or retractable relative to the barrel, the barrel and the rod body One of the cylinders is fixedly coupled to the fixed platform, and the other of the cylinder and the shaft is connected to the movable platform through the first rotating pair.

According to an embodiment of the present invention, the feeding device includes: a fixed platform, the fixed platform is fixed on the frame; a first moving platform and a second moving platform spaced apart in the up and down direction, the second The movable platform and the fixed platform are connected by a moving pair in a horizontal direction, the first moving platform is adapted to support the workpiece; the third branch, the fourth branch and the fifth branch respectively retractable along the axial direction thereof, The third branch, the fourth branch, and the fifth branch are both disposed between the first moving platform and the second moving platform, and the third branch and the first Four branches are disposed on two sides of the fifth branch, the fifth branch extends in a vertical direction, and an upper end of the fifth branch is connected to the first moving platform through a first rotating pair. The lower end of the fifth branch is fixedly connected to the second movable platform, and the two ends of the third branch respectively pass the second rotating pair and the third rotation with the first moving platform and the second moving platform a second connection, the two ends of the fourth branch respectively pass the fourth rotation with the first moving platform and the second moving platform Connected to 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 third driving device that expands and contracts the third branch along the axial direction thereof; a fourth driving device for driving the fourth branch to expand and contract along the axial direction thereof; for driving the second moving platform and the positioning platform A fifth driving device that moves relative to each other in the horizontal direction.

According to an embodiment of the invention, the third driving device is a motor, and the third branch includes a first electric cylinder and a first cylinder rod that can be extended or retracted relative to the first electric cylinder. One of the first electric cylinder block and the first cylinder rod is connected to the first moving platform through the second rotating pair, and the other of the first electric cylinder block and the first cylinder rod One is connected to the second moving platform through the third rotating pair, and the expansion and contraction of the first cylinder rod relative to the first electric cylinder is driven by the motor.

According to an embodiment of the invention, the fourth driving device is a motor, and the fourth branch includes a second electric cylinder block and a second cylinder rod that can be extended or retracted relative to the second electric cylinder block, One of the second electric cylinder block and the second cylinder rod is connected to the first moving platform through the fourth rotating pair, and the other of the second electric cylinder body and the second cylinder rod One is connected to the second moving platform through the fifth rotating pair, and the expansion and contraction 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 fifth branch includes a barrel and a rod body embedded in the barrel and extendable or retractable relative to the barrel, the barrel and the rod body One of the two is fixedly connected to the second moving platform, and the other of the cylindrical body and the rod is connected to the first moving platform through the first rotating pair.

According to an embodiment of the present invention, the fifth driving device includes: a third electric cylinder and a third cylinder rod that can be extended or retracted relative to the third electric cylinder, the third cylinder rod and the The second moving platform is connected, the third electric cylinder is connected to the fixed platform; and the motor for driving the third cylinder rod to expand and contract with respect to the third electric cylinder.

According to an embodiment of the invention, the fixed platform is provided with a first guide rail for guiding relative movement between the second movable platform and the fixed platform.

According to an embodiment of the invention, the frame comprises: a bottom plate; a support plate, the support plate is vertically disposed on the bottom plate, and one end of the fixed platform is fixedly connected to the support plate.

According to an embodiment of the invention, the fixed platform is formed as a hollow structure, and the cross-sectional area of the fixed platform gradually increases in a direction toward the support plate.

According to an embodiment of the present invention, the cutting driving device includes: a driving motor, the driving motor is disposed on the frame; a first timing pulley, the first timing pulley is disposed on the frame And connected to the driving motor; a plurality of second timing pulleys, a plurality of the second timing pulleys are connected in one-to-one correspondence with the plurality of cutting rollers, and the plurality of the second timing pulleys pass the second synchronization The belts are connected, and a portion of the plurality of second timing pulleys are coupled to the first timing pulley by a first timing belt.

According to an embodiment of the invention, the cutting drive further comprises a first tensioning wheel that abuts the second timing belt.

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

According to an embodiment of the invention, the cutting drive further comprises a second tensioning wheel that abuts the timing belt.

The additional aspects and advantages of the invention will be set forth in part in the description which follows.

DRAWINGS

The above and/or additional aspects and advantages of the present invention will become apparent and readily understood from

Figure 1 is a perspective view (an angle) of a multi-wire cutting machine in accordance with a first embodiment of the present invention;

Figure 2 is a perspective view (another angle) of a multi-wire cutting machine in accordance with a first embodiment of the present invention;

Figure 3 is a perspective view (an angle) of a feeding device of a multi-wire cutting machine according to a first embodiment of the present invention;

Figure 4 is a perspective view (another angle) of a feeding device of a multi-wire cutting machine according to a first embodiment of the present invention;

Figure 5 is an enlarged plan view showing a part of a feeding device of a multi-wire cutting machine according to a first embodiment of the present invention;

Figure 6 is a partial structural schematic view of a multi-wire cutting machine in accordance with a first embodiment of the present invention;

Figure 7 is a perspective view (an angle) of a multi-wire cutting machine in accordance with a second embodiment of the present invention;

Figure 8 is a perspective view (another angle) of a multi-wire cutting machine in accordance with a second embodiment of the present invention;

Figure 9 is a schematic structural view (an angle) of a feeding device of a multi-wire cutting machine according to a second embodiment of the present invention;

Figure 10 is a schematic structural view (another angle) of a feeding device of a multi-wire cutting machine according to a second embodiment of the present invention;

Figure 11 is a partial structural schematic view of a multi-wire cutting machine according to a second and third embodiment of the present invention;

Figure 12 is a perspective view (an angle) of a multi-wire cutting machine in accordance with a third embodiment of the present invention;

Figure 13 is a perspective view (another angle) of a multi-wire cutting machine in accordance with a third embodiment of the present invention;

Figure 14 is a schematic structural view (an angle) of a feeding device of a multi-wire cutting machine according to a third embodiment of the present invention;

Figure 15 is a schematic structural view (another angle) of a feeding device of a multi-wire cutting machine according to a third embodiment of the present invention.

Reference mark:

Multi-wire cutting machine 100;

Rack 1; bottom plate 11; support plate 12;

Cutting roller 2;

Cutting line 3;

Cutting drive device 4; drive motor 41; first timing pulley 42; second timing pulley 43;

a first timing belt 44; a second timing belt 45; a first tensioning pulley 46;

Timing pulley 420; timing belt 430; second tensioning pulley 440;

Feeding device 5; fixed platform 51; first guide rail 511; third mounting plate 512;

Moving platform 52; guide rail 521;

First moving platform 529;

Second moving platform 539;

a first chain 53; a first upper end 531; a first lower end 532; a first intermediate portion 533;

a second branch 54; a second upper end 541; a second lower end 542; a second intermediate portion 543;

a first driving device 55; a first motor 551; a first lead screw 552; a first screw 5521; a first nut 5522;

a second driving device 56; a second motor 561; a second lead screw 562; a second screw 5621; a second nut 5622;

a third branch 530; a first electric cylinder 5310; a first cylinder rod 5320; a first mounting plate 5330;

a fourth branch 540; a second electric cylinder 5410; a second cylinder rod 5420; a second mounting plate 5430;

a fifth branch 550; a cylinder 5510; a rod 5520;

a third driving device 560;

The fourth driving device 570.

The fifth driving device 59; the third electric cylinder 591; the third cylinder rod 592; the motor 593.

Detailed ways

The embodiments of the present invention are described in detail below, and the examples of the embodiments are illustrated in the drawings, wherein the same or similar reference numerals are used to refer to the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are intended to be illustrative of the invention and are not to be construed as limiting.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", " After, "Left", "Right", "Vertical", "Horizontal", "Top", "Bottom", "Inside", "Outside", "Clockwise", "Counterclockwise", "Axial", The orientation or positional relationship of the "radial", "circumferential" and the like is based on the orientation or positional relationship shown in the drawings, and is merely for the convenience of describing the present invention and the simplified description, and does not indicate or imply the indicated device or component. It must be constructed and operated in a particular orientation, and is not to be construed as limiting the invention. Moreover, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, features defining "first" and "second" may include one or more of the features either explicitly or implicitly. In the description of the present invention, the meaning of "a plurality" is two or more unless specifically and specifically defined otherwise.

In the description of the present invention, it should be noted that the terms "installation", "connected", and "connected" are to be understood broadly, and may be fixed or detachable, for example, unless otherwise explicitly defined and defined. Connected, or integrally connected; may be mechanically connected or electrically connected; may be directly connected, or may be indirectly connected through an intermediate medium, may be internal communication of two elements or an interaction relationship of two elements. For those skilled in the art, the specific meanings of the above terms in the present invention can be understood on a case-by-case basis.

A multi-wire cutting machine 100 according to an embodiment of the present invention will now be described with reference to Figs.

As shown in FIGS. 1 to 15, a multi-wire cutting machine 100 according to an embodiment of the present invention includes a frame 1, a plurality of cutting rolls 2, a cutting line 3, and a feeding device 5.

A plurality of cutting rolls 2 are rotatably disposed on the frame 1 about a horizontal axis, respectively, and the cutting rolls 2 are connected to the cutting drive unit 4, that is, the cutting rolls 2 are driven to rotate by the cutting drive unit 4.

The cutting line 3 is wound on a plurality of cutting rolls 2, thereby forming an ordered cutting line web, and both ends of the cutting line 3 are respectively attached to a take-up roll (not shown) and a take-up roll (not shown). Connected, the cutting roller 2 is periodically reversed, and the cutting wire mesh is periodically reciprocated horizontally, thereby cutting the workpiece. When the cutting roller 2 is periodically reversed, the take-up roller and the take-up roller perform the pay-off and take-up accordingly.

The feeding device 5 is arranged on the frame 1 and below the cutting roller 2, and the feeding device 5 is used for pushing the workpiece to the running cutting wire mesh to cut the workpiece into a desired shape by horizontal reciprocating motion of the cutting wire mesh. Multiple sheets.

The feed device 5 is configured to simultaneously feed the workpiece in the vertical direction as well as in the horizontal direction; and/or to achieve a rocking feed of the machined workpiece.

That is, in some embodiments, such as the examples shown in Figures 1-6, the feed device 5 is only configured to simultaneously feed the workpiece in the vertical and horizontal directions. That is, the multi-wire cutting machine 100 can not only realize the feeding of the workpiece in the vertical direction, but also realize the feeding of the workpiece in the horizontal direction, thereby not only the synthesis of the workpiece in the vertical direction but also the horizontal direction. The flat sheet-like parts are machined, and the cylindrical curved surface (curved surface) parts can also be processed. The multi-line cutting machine has many functions and good versatility.

In some embodiments, such as the examples shown in Figures 7-11, the feed device 5 is only configured to effect a rocking feed of the machined workpiece. Thereby, the swing cutting of the workpiece can be realized, and the cutting efficiency and the cutting stability of the multi-wire cutting machine 100 are high, and the disconnection rate is low.

In some embodiments, such as the examples shown in Figures 11-15, the feed device 5 is configured to simultaneously feed the workpiece in the vertical and horizontal directions, and to achieve a rocking feed of the machined workpiece . In this way, not only the feeding of the workpiece in the vertical direction but also the feeding of the workpiece in the horizontal direction can be achieved, whereby the synthesis of the workpiece in the vertical direction as well as in the horizontal direction can not only produce a planar sheet shape. The parts and the curved sheet-like parts can also be processed. The multi-wire cutting machine 100 has good versatility, simple structure, high operational reliability and low cost. In addition, the multi-wire cutter 100 can also realize the swing cutting of the workpiece, and the cutting efficiency and cutting stability of the multi-wire cutter 100 are high, and the disconnection rate is low.

In summary, the multi-wire cutting machine according to the embodiment of the present invention has many functions, good versatility, and good cutting performance.

A multi-wire cutting machine 100 in accordance with three specific embodiments of the present invention will be specifically described below with reference to Figs.

A multi-wire cutting machine 100 according to a first embodiment of the present invention will be described with reference to Figs.

Referring to FIGS. 1 to 6, the multi-wire cutter 100 includes a frame 1, a plurality of cutting rolls 2, a cutting line 3, and a feeding device 5.

The feeding device 5 includes a fixed platform 51, a movable platform 52 for supporting a workpiece, a first branch 53 and a second branch 54, and the fixed platform 51 is fixed on the frame 1, and the movable platform 52 is disposed above the fixed platform 51. The first branch 53 and the second branch 54 are disposed between the fixed platform 51 and the movable platform 52. The first branch 53 has a first upper end portion 531, a first lower end portion 532, and a first upper end portion 531 and a first intermediate portion 533 between the first lower end portions 532, the second branch 54 having a second upper end portion 541, a second lower end portion 542, and a second portion between the second upper end portion 541 and the second lower end portion 542 The intermediate portion 543, wherein between the first lower end portion 532 and the fixed platform 51, between the second lower end portion 542 and the fixed platform 51, has a rotating pair and a moving pair actively driven in the horizontal direction, the first intermediate portion 533 and The second intermediate portion 543 has a pair of rotations between the first upper end portion 531 and the movable platform 52, and between the second upper end portion 541 and the movable platform 52, and the first upper end portion 531 and the movable platform 52 One of the intermediate, second upper end portion 541 and the movable platform 52 has a moving pair driven in the horizontal direction.

Specifically, the first lower end portion 532 and the fixed platform 51 have a rotating pair and a moving pair actively driven in the horizontal direction, that is, the first lower end portion 532 can rotate relative to the fixed platform 51, and can be positioned along the fixed platform 51. Moving in the horizontal direction, the second lower end portion 542 and the fixed platform 51 also have a rotating pair and a moving pair actively driven in the horizontal direction, that is, the second lower end portion 542 can rotate relative to the fixed platform 51, and can be horizontally opposite to the fixed platform 51. Move in direction.

There is a rotating pair between the first intermediate portion 533 and the second intermediate portion 543, that is, the first intermediate portion 533 and the second intermediate portion 543 are rotatably connected, thereby enabling the first branch 53 and the second branch 54 to be Rotate relative to the axis of rotation.

The first upper end portion 531 and the movable platform 52 have a rotating pair, and the second upper end portion 541 and the movable platform 52 also have a rotating pair, that is, the first upper end portion 531 is rotatable relative to the movable platform 52, and the second upper end portion 541 is also The movable platform 52 can be rotated. Further, one of the first upper end portion 531 and the movable stage 52, and between the second upper end portion 541 and the movable stage 52 has a moving pair that is driven in the horizontal direction.

That is, in some examples, only the first upper end portion 531 and the moving platform 52 have a moving pair that is driven in the horizontal direction, and only the first upper end portion 531 can move in the horizontal direction relative to the moving platform 52; in some examples Among them, only the second upper end portion 541 and the movable platform 52 have a moving pair that is driven in the horizontal direction, and only the second upper end portion 541 can move in the horizontal direction with respect to the movable platform 52.

The multi-wire cutter 100 further includes a first driving device 55 for driving the relative movement between the first lower end portion 532 and the fixed platform 51 in the horizontal direction, and a second driving device 56 for driving the second driving device 56. It is used to drive the relative movement between the second lower end portion 542 and the fixed platform 51 in the horizontal direction. When the first lower end portion 532 moves relative to the fixed platform 51, the first upper end portion 531 rotates the relative moving platform 52, and the first lower end portion 532 rotates relative to the fixed platform 51, that is, the first driving device 55 drives the first When the lower end portion 532 moves relative to the fixed platform 51, the first upper end portion 531 will rotate correspondingly with respect to the movable platform 52, and the first lower end portion 532 will rotate correspondingly with respect to the fixed platform 51; at the second lower end portion 542, When the fixed platform 51 moves, the second upper end portion 541 rotates the relative moving platform 52, and the second lower end portion 542 rotates relative to the fixed platform 51, that is, when the second driving device 56 drives the second lower end portion 542 to move relative to the fixed platform 51. The second upper end portion 541 will rotate correspondingly with respect to the movable platform 52, and the second lower end portion 542 will rotate correspondingly with respect to the fixed platform 51. By the driving of the first driving device 55 and the second driving device 56, not only the feeding of the workpiece in the vertical direction but also the feeding of the workpiece in the horizontal direction can be achieved, whereby the workpiece is in the vertical direction as well as in the horizontal direction. The feed synthesis can not only machine flat sheet-like parts, but also machine cylindrical surface (curved surface) parts.

By controlling the first driving device 55 and the second driving device 56 to drive the first lower end portion 532 and the second lower end portion 542 to move in directions adjacent to each other, the feeding device 5 is caused to drive the workpiece to feed in the vertical direction. For example, as shown in FIGS. 1-2, when the first driving device 55 drives the first lower end portion 532 to move to the right, and the second driving device 56 drives the second lower end portion 542 to move to the left, the movable platform 52 and the fixed platform 51. The distance between them will increase, the moving platform 52 rises relative to the fixed platform 51, and the workpiece is placed on the moving platform 52, thereby achieving the feeding of the workpiece in the vertical direction.

By controlling the first driving device 55 and the second driving device 56 to drive the first lower end portion 532 and the second lower end portion 542 while moving in the same direction, the feeding device 5 can be driven to feed the workpiece in the horizontal direction. For example, as shown in FIG. 1 to FIG. 2, when the first driving device 55 drives the first lower end portion 532 to move to the right, and the second driving device 56 drives the second lower end portion 542 to move to the right, the moving platform 52 will be Moving to the right, the workpiece is placed on the movable platform 52, whereby the workpiece can be fed to the right; when the first driving device 55 drives the first lower end portion 532 to move to the left, the second driving device 56 drives the second lower end portion 542. When moving to the left, the moving platform 52 will move to the left at this time, and the workpiece is placed on the moving platform 52, whereby the workpiece can be fed to the left.

According to the multi-wire cutting machine 100 of the first embodiment of the present invention, not only the feeding of the workpiece in the vertical direction but also the feeding of the workpiece in the horizontal direction can be achieved, thereby passing the workpiece in the vertical direction and the horizontal direction. The feed synthesis not only can process flat sheet-like parts, but also can process cylindrical curved surface (curved surface) parts. The multi-wire cutting machine 100 has good versatility, simple structure, high operational reliability and low cost.

Further, the movable platform 52 is provided with a guide rail 521 for guiding the movement of the first upper end portion 531 or the second upper end portion 541. Specifically, as shown in FIG. 4 to FIG. 5, when only the first upper end portion 531 is movable relative to the movable platform 52 in the horizontal direction, the movable platform 52 is provided with a guide rail 521 for guiding the movement of the first upper end portion 531; When only the second upper end portion 541 is movable in the horizontal direction relative to the movable platform 52, the movable platform 52 is provided with a guide rail 521 for guiding the movement of the second upper end portion 541.

Further, the first driving device 55 includes a first motor 551 and a first lead screw 552. The first lead screw 552 includes a first screw 5521 and a first nut 5522 sleeved on the first screw 5521. The second driving device 56 The second screw 561 includes a second screw 5621 and a second nut 5622 that is sleeved on the second screw 5621. The first screw 5521 is connected to the first motor 551, and the second The screw 5621 is connected to the second motor 561. The first screw 5521 and the second screw 5621 are both extended in the horizontal direction, and are fixed to the fixed platform 51 side by side and spaced apart from each other, and the first lower end portion 532 and the first nut 5522 pass. The rotating pair is connected, and the second lower end portion 542 and the second nut 5622 are connected by a rotating pair. The first screw 5521 is driven to rotate by the first motor 551, thereby driving the first nut 5522 to move along the length of the first screw 5521, thereby driving the first lower end portion 532 to move in the horizontal direction relative to the fixed platform 51, and similarly, The second motor 561 drives the second screw 5621 to rotate, thereby driving the second nut 5622 to move along the longitudinal direction of the second screw 5621, thereby driving the second lower end portion 542 to move in the horizontal direction with respect to the fixed platform 51. The first driving device 55 and the second driving device 56 have a simple structure, high driving reliability, and are easily assembled with the first branch 53 and the second branch 54.

Further, as shown in FIG. 1 to FIG. 4, the frame 1 includes a bottom plate 11 and a support plate 12. The support plate 12 is vertically disposed on the bottom plate 11. One end of the fixed platform 51 is fixedly connected to the support plate 12, and a plurality of cutting rollers 2 are attached. Also disposed on the support plate 12, the first motor 551 and the second motor 561 and the fixed platform 51 may be respectively located at two sides of the support plate 12, as shown in FIGS. 1-2, the first motor 551 and the second motor The 561 is located on the right side of the support plate 12, and the fixed platform 51 is located on the left side of the support plate 12. The first motor 551 and the second motor 561 and the fixed platform 51 are disposed on both sides of the support plate 12 to facilitate the multi-wire cutting machine 100. Control and overhaul.

The fixed platform 51 cantilever is supported 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 to reduce the vibration generated between the fixed platform 51 and the support plate 12, in some examples of the present invention, such as As shown in Figures 1-2, the stationary platform 51 is formed as a hollow structure.

Further, as shown in FIGS. 1 to 2, the cross-sectional area of the fixed platform 51 is gradually increased in the direction toward the support plate 12, whereby the reliability of the connection between the fixed platform 51 and the support plate 12 can be further improved. Sexuality and structural rigidity. As shown in FIGS. 1-2, the lower surface of the stationary platform 51 may be formed as a curved surface.

The number of the cutting rolls 2 is three or more. For example, in the examples shown in FIGS. 1 to 2 and 6, the number of the cutting rolls 2 is three.

The cutting drive device 4 includes a drive motor 41, a first timing pulley 42 and a plurality of second timing pulleys 43. The driving motor 41 is disposed on the frame 1. The first timing pulley 42 is disposed on the frame 1 and connected to the driving motor 41. The plurality of second timing pulleys 43 are connected to the plurality of cutting rollers 2 in one-to-one correspondence. The second timing pulleys 43 are connected by the second timing belt 45, and a part of the plurality of second timing pulleys 43 is connected to the first timing belt 42 via the first timing belt 44. For example, in the example shown in FIG. 6, the number of cutting rolls 2 is three, wherein the two cutting rolls 2 are connected to the first timing belt 42 through the first timing belt 44, and of course, there may be only one cutting roll 2 It is connected to the first timing belt 42 via the first timing belt 44.

The first timing pulley 42 is driven to rotate by the drive motor 41, and transmits the rotation to the second timing pulley 43 connected to the first timing belt 44 through the first timing belt 44, thereby driving the first timing belt 44. The second timing pulley 43 rotates, and the second timing pulley 43 driven by the first timing belt 44 transmits the rotation to the remaining second timing pulleys 43 through the second timing belt 45, and the plurality of second timing pulleys 43 are further rotated. Both are rotated, thereby driving a plurality of cutter rolls 2 connected in one-to-one correspondence with the plurality of second timing pulleys 43 to rotate. By arranging the first timing belt 44 and the second timing belt 45, by changing the diameter of the first timing pulley 42, the gear ratio of the cutting drive 4 can be changed, thereby making the rotation speed of the second timing pulley 43 larger. Further, the rotational speed adjustment range of the cutting roller 2 is made larger, and a wide range of cutting speed can be obtained.

As shown in FIG. 6, the cutting drive device 4 further includes a first tensioning pulley 46 that abuts the second timing belt 45, thereby effectively preventing the second timing belt 45 from loosening during the transmission process, and improving the cutting drive device. 4 operational safety and reliability.

A multi-wire cutter 100 according to a second embodiment of the present invention will be described with reference to Figs.

Referring to FIGS. 7-11, the multi-wire cutter 100 includes a frame 1, a plurality of cutting rolls 2, a cutting line 3, and a feeding device 5.

The feeding device 5 is arranged on the frame 1 and below the cutting roller 2, and the feeding device 5 is used for pushing the workpiece to the running cutting wire mesh to cut the workpiece into a desired shape by horizontal reciprocating motion of the cutting wire mesh. Multiple sheets. The feeding device 5 includes a fixed platform 51, a movable platform 52, and a third branch 530, a fourth branch 540, and a fifth branch 550 that are respectively extendable in the axial direction thereof. The fixed platform 51 is fixed on the frame 1, the movable platform 52 is disposed above the fixed platform 51, the movable platform 52 is adapted to support the workpiece, and the third branch 530, the fourth branch 540 and the fifth branch 550 are all set in motion. Between the platform 52 and the fixed platform 51, and the third branch 530 and the fourth branch 540 are disposed on both sides of the fifth branch 550, the fifth branch 550 extends in the vertical direction, and the upper end of the fifth branch 550 The movable platform 52 is connected to the first rotating pair, and the lower end of the fifth branch 550 is fixedly connected with the fixed platform 51. The two ends of the third branch 530 respectively pass the second rotating pair and the third with the moving platform 52 and the fixed platform 51. The rotating pair is connected. Specifically, the upper end of the third branch 530 is connected to the movable platform 52 through the second rotating pair, and the lower end of the third branch 530 is connected to the fixed platform 51 through the third rotating pair, and the second branch 540 is The end is connected to the movable platform 52 and the fixed platform 51 respectively through the fourth rotating pair and the fifth rotating pair. Specifically, the upper end of the fourth branch 540 is connected to the moving platform 52 through the fourth rotating pair, and the lower end of the fourth branch 540 And the fixed platform 51 is connected by the fifth rotating pair, the first rotating pair, the second rotating pair, the third rotating pair, and the fourth turning The axes of the movable pair and the fifth rotating pair are parallel to each other, and 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 horizontal direction and are perpendicular to the cutting line network The moving direction, as shown in FIGS. 7-8, the cutting wire web can reciprocate in the front-rear direction, the axes of the first rotating pair, the second rotating pair, the third rotating pair, the fourth rotating pair and the fifth rotating pair Both extend in the left and right direction.

The multi-wire cutter 100 further includes a third driving device 560 for driving the third branch 530 to extend and contract in the axial direction thereof, and a fourth driving device 570 for driving the fourth branch 540 to expand and contract in the axial direction thereof. By controlling the third driving device 560 and the fourth driving device 570, the swing cutting of the workpiece can be realized, whereby the contact area between the cutting line 3 and the workpiece can be reduced, the cutting force can be increased, and the multi-wire cutting machine 100 can be improved. Cutting efficiency and cutting stability, and reducing the wire breakage rate of the multi-wire cutter 100.

Specifically, referring to FIGS. 7-8, when the multi-wire cutting machine 100 is in operation, the cutting wire mesh reciprocates in the front-rear direction, and the axis of the first rotating pair extends in the left-right direction, when the third driving device 560 drives the third. The branch 530 is elongated along its axial direction, while the fourth driving device 570 drives the fourth branch 540 to shorten along its axial direction, the moving platform 52 will rotate forward about the axis of the first rotating pair, and the workpiece will also be Rotating forward about the axis of the first rotating pair; when the fourth driving device 570 drives the fourth branch 540 to extend along its axial direction while the third driving device 560 drives the third branch 530 to shorten along its axial direction, the workpiece It will also rotate backward about the axis of the first rotary pair, at which point the workpiece will also swing back about the axis of the first rotary pair. The third branch 530 is driven to extend and contract in the axial direction thereof by controlling the third driving device 560, and the fourth driving device 570 is controlled to drive the fourth branch 540 to expand and contract along the axial direction thereof, thereby realizing the movable platform 52 and the workpiece around the first The axis of the rotating pair reciprocates.

According to the multi-wire cutting machine 100 of the second embodiment of the present invention, the swing cutting of the workpiece can be realized, and the cutting efficiency and the cutting stability of the multi-wire cutting machine 100 are high, and the disconnection rate is low.

Further, the third driving device 560 is a motor, and the third branch 530 includes a first electric cylinder block 5310 and a first cylinder rod 5320 that can be extended or retracted relative to the first electric cylinder block 5310. The first electric cylinder block 5310 And one of the first cylinder rods 5320 and the movable platform 52 are connected by the second rotating pair, and the other of the first electric cylinder block 5310 and the first cylinder rod 5320 is connected to the fixed platform 51 through the third rotating pair, the first cylinder The expansion and contraction of the rod 5320 with respect to the first electric cylinder block 5310 is driven by a motor.

Specifically, in some examples, the first electric cylinder block 5310 is coupled to the moving platform 52 by a second rotating pair, the first cylinder rod 5320 and the fixed platform 51 passing through the third rotating pair; in other examples, as shown in FIG. As shown in FIG. 10, the first electric cylinder block 5310 and the fixed platform 51 pass through the third rotating pair, and the first cylinder rod 5320 and the movable platform 52 are connected by the second rotating pair. The structure of the third driving device 560 and the third branch 530 is simple, and the cooperation between the third driving device 560 and the third branch 530 is convenient. Referring to FIGS. 7-10, one end of the third branch 530 is provided with a first mounting plate 5330, and the third driving device 560 is disposed on the first mounting plate 5330.

Further, the fourth driving device 570 is a motor, and the fourth branch 540 includes a second electric cylinder 5410 and a second cylinder rod 5420 that can be extended or retracted relative to the second electric cylinder 5410. The second electric cylinder 5410 And one of the second cylinder rods 5420 and the movable platform 52 are connected by the fourth rotating pair, and the other of the second electric cylinder 5410 and the second cylinder rod 5420 is connected to the fixed platform 51 by the fifth rotating pair, the second cylinder The expansion and contraction of the rod 5420 with respect to the second electric cylinder 5410 is driven by a motor.

Specifically, in some examples, the second electric cylinder 5410 is coupled to the moving platform 52 by a fourth rotating pair, and the second cylinder rod 5420 is coupled to the stationary platform 51 by a fifth rotating pair; in other examples, FIG. - As shown in Fig. 10, the second cylinder rod 5420 is connected to the movable platform 52 by a fourth rotating pair, and the second electric cylinder 5410 is connected to the fixed platform 51 by a fifth rotating pair. The structure of the fourth driving device 570 and the fourth branch 540 is simple, and the cooperation between the fourth driving device 570 and the fourth branch 540 is convenient. Referring to FIGS. 7-10, one end of the fourth branch 540 is provided with a second mounting plate 5430, and the fourth driving device 570 is disposed on the second mounting plate 5430.

Further, the fifth branch 550 includes a cylindrical body 5510 and a rod body 5520 embedded in the cylindrical body 5510 and extendable or retractable relative to the cylindrical body 5510. One of the cylindrical body 5510 and the rod body 5520 is fixed to the fixed platform 51. Connected, the other of the cylinder 5510 and the rod 5520 is connected to the movable platform 52 by the first rotating pair.

Specifically, in some examples, the barrel 5510 is coupled to the moving platform 52 by a first rotating pair, and the rod 5520 is fixedly coupled to the stationary platform 51; in other examples, as shown in Figures 9-10, the barrel 5510 Fixedly connected to the fixed platform 51, the rod body 5520 and the movable platform 52 are connected by the first rotating pair.

As shown in FIGS. 7-8, the frame 11 includes a bottom plate 11 and a support plate 12, and the support plate 12 is vertically disposed on the bottom plate 11, and one end of the fixed platform 51 is fixedly connected to the support plate 12. The fixed platform 51 cantilever is supported 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 to reduce the vibration generated between the fixed platform 51 and the support plate 12, in some examples of the present invention, such as As shown in FIGS. 7-8, the stationary stage 51 is formed as a hollow structure.

Further, as shown in FIGS. 7 to 8, the cross-sectional area of the fixed platform 51 is gradually increased in the direction toward the support plate 12, whereby the reliability of the connection between the fixed platform 51 and the support plate 12 can be further improved. Sexuality and structural rigidity. As shown in FIGS. 7-8, the lower surface of the stationary platform 51 may be formed as a curved surface.

The cutting rolls 2 are three or four, and for example, in the examples shown in FIGS. 7 to 8 and 6, the number of the cutting rolls 2 is three.

In one embodiment of the present invention, the cutting drive device 4 includes a drive motor 41 and a plurality of timing pulleys 420. The drive motor 41 is disposed on the frame 1, and the plurality of timing pulleys 420 and the plurality of cutting rollers 2 are in one-to-one correspondence. Connected, a plurality of timing pulleys 420 are connected by a timing belt 430, and one of the plurality of timing pulleys 420 is connected to the drive motor 41. The driving motor 41 rotates to drive the timing pulley 420 connected thereto to rotate, and the rotation of the timing pulley 420 is transmitted to the remaining timing pulleys 420 via the timing belt 430, so that the plurality of timing pulleys 420 are synchronously rotated, thereby driving and The plurality of cutting rolls 2 connected to the plurality of timing pulleys 420 are synchronously rotated.

Further, as shown in FIG. 6, the cutting drive device 4 further includes a second tensioning pulley 440 that abuts the timing belt 430, thereby effectively preventing the timing belt 430 from loosening during the transmission process, and improving the cutting drive device. 4 operational safety and reliability.

A multi-wire cutting machine 100 according to a third embodiment of the present invention will be described with reference to Figs.

Referring to FIGS. 11-15, the multi-wire cutter 100 includes a frame 1, a plurality of cutting rolls 2, a cutting line 3, and a feeding device 5.

The feeding device 5 is arranged on the frame 1 and below the cutting roller 2, and the feeding device 5 is used for pushing the workpiece to the running cutting wire mesh to cut the workpiece into a desired shape by horizontal reciprocating motion of the cutting wire mesh. Multiple sheets. The feeding device 5 includes a fixed platform 51, a first moving platform 529 and a second moving platform 539 which are spaced apart in the up and down direction, and a third branch 530, a fourth branch 540 and a fifth branch which are respectively extendable along the axial direction thereof. Chain 550. The fixed platform 51 is fixed on the frame 1, and the second moving platform 539 and the fixed platform 51 are connected by the moving pair in the horizontal direction, that is, the second moving platform 539 can move relative to the fixed platform 51 in the horizontal direction, and the first moving platform 529 is suitable. The third branch 530, the fourth branch 540, and the fifth branch 550 are disposed between the first moving platform 529 and the second moving platform 539, and the third branch 530 and the fourth branch 540 are supported on the workpiece. The fifth branch 550 is disposed on both sides of the fifth branch 550, and the fifth branch 550 extends in the vertical direction. The upper end of the fifth branch 550 is connected to the first movable platform 529 through the first rotating pair, and the lower end of the fifth branch 550 is The second moving platform 539 is fixedly connected, and the two ends of the third branch 530 are respectively connected to the first moving platform 529 and the second moving platform 539 through the second rotating pair and the third rotating pair, specifically, the third branch 530 The upper end is connected to the first moving platform 529 through the second rotating pair, and the lower end of the third branch 530 is connected to the second moving platform 539 through the third rotating pair, and the two ends of the fourth branch 540 are respectively connected with the first moving platform 529 and The second moving platform 539 is connected by the fourth rotating pair and the fifth rotating pair, specifically, the upper end of the fourth branch 540 The first moving platform 529 is connected to the fourth rotating pair, and the lower end of the fourth branch 540 and the second moving platform 539 are connected by the fifth rotating pair, the first rotating pair, the second rotating pair, the third rotating pair, and the fourth The axes of the rotating pair and the fifth rotating pair are parallel to each other, and 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 a horizontal direction and are perpendicular to the cutting wire network The moving direction, as shown in FIGS. 12-13, the cutting wire web can reciprocate in the front-rear direction, the axes of the first rotating pair, the second rotating pair, the third rotating pair, the fourth rotating pair and the fifth rotating pair Both extend in the left and right direction.

The multi-wire cutter 100 further includes a third driving device 560 for driving the third branch 530 to extend and contract in the axial direction thereof, a fourth driving device 570 for driving the fourth branch 540 to extend and contract in the axial direction thereof, and for driving The second moving platform 539 and the fixed driving platform 51 move relative to each other in the horizontal direction. By the driving of the third driving device 560, the fourth driving device 570, and the fifth driving device 59, not only planar sheet-like parts but also curved sheet-like parts can be processed, and the cutting efficiency of the multi-wire cutting machine 100 and High cutting stability and low wire breakage rate.

Specifically, referring to FIGS. 12-13, by driving the third driving device 560 to drive the third branch 530 to extend along its axial direction and controlling the fourth driving device 570 to drive the fourth branch 540 to extend along its axial direction. Long, the fifth branch 550 will be elongated in the vertical direction under the driving of the third branch 530 and the fourth branch 540, whereby the first moving platform 529 is raised relative to the second moving platform 539 and the fixed platform 51, This allows the workpiece to be fed in the vertical direction.

By controlling the fifth driving device 59, the second moving platform 539 is driven to move relative to the fixed platform 51 in the horizontal direction (the left and right direction as shown in FIGS. 12-13), since the first moving platform 529 passes through the third branch 530, the first The four branches 540 and the fifth branch 550 are coupled to the second moving platform 539, whereby when the second moving platform 539 moves in the horizontal direction, the first moving platform 529 also moves in the horizontal direction, for example, when the second moving platform 539 When moving to the left, the first moving platform 529 also moves to the left, whereby the workpiece can be fed to the left, and when the second moving platform 539 moves to the right, the first moving platform 529 also moves to the right, thereby being able to move to the right Feed the workpiece.

In addition, by controlling the third driving device 560 to drive the third branch 530 to expand and contract along its axial direction and control the fourth driving device 570 to drive the fourth branch 540 to expand and contract along the axial direction thereof, the first moving platform 529 can also be driven around the first The axis of the rotating pair oscillates, and when the first moving platform 529 swings about the axis of the first rotating pair, the workpiece will also swing about the axis of the first rotating pair, since the axis of the first rotating pair is perpendicular to the moving direction of the cutting wire web, Thereby, the contact area between the cutting line 3 and the workpiece can be reduced, the cutting force can be increased, the cutting efficiency and the cutting stability of the multi-wire cutting machine 100 can be improved, and the disconnection rate of the multi-wire cutting machine 100 can be reduced.

Specifically, referring to FIGS. 12-13, the cutting wire web reciprocates in the front-rear direction when the multi-wire cutting machine 100 is in operation, the axis of the first rotating pair extends in the left-right direction, and when the third driving device 560 drives the third When the branch 530 is elongated along its axial direction, while the fourth driving device 570 drives the fourth branch 540 to shorten along its axial direction, the first moving platform 529 will rotate forward about the axis of the first rotating pair, at which time the workpiece It will also swing forward about the axis of the first rotary pair; when the fourth drive 570 drives the fourth branch 540 to elongate in its axial direction while the third drive 560 drives the third branch 530 to shorten along its axial direction The workpiece will also rotate backward about the axis of the first rotary pair, at which point the workpiece will also swing back about the axis of the first rotary pair. By controlling the third driving device 560 to drive the third branch 530 to expand and contract along its axial direction, and controlling the fourth driving device 570 to drive the fourth branch 540 to expand and contract along the axial direction thereof, thereby achieving the first moving platform 529 around the first The axis of the rotating pair reciprocates.

In summary, according to the multi-wire cutting machine 100 of the third embodiment of the present invention, not only the feeding of the workpiece in the vertical direction but also the feeding of the workpiece in the horizontal direction can be achieved, thereby passing the workpiece in the vertical direction. As well as the horizontal feed synthesis, not only can the planar sheet-like parts be processed, but also the curved sheet-like parts can be processed. The multi-wire cutting machine 100 has good versatility, simple structure, high operational reliability and low cost. In addition, the multi-wire cutter 100 can also realize the swing cutting of the workpiece, and the cutting efficiency and cutting stability of the multi-wire cutter 100 are high, and the disconnection rate is low.

Further, the third driving device 560 is a motor, and the third branch 530 includes a first electric cylinder block 5310 and a first cylinder rod 5320 that can be extended or retracted relative to the first electric cylinder block 5310. The first electric cylinder block 5310 And one of the first cylinder rods 5320 is connected to the first moving platform 529 through the second rotating pair, and the other of the first electric cylinder block 5310 and the first cylinder rod 5320 is connected to the second moving platform 539 through the third rotating pair. The expansion and contraction of the first cylinder rod 5320 with respect to the first electric cylinder block 5310 is driven by a motor.

Specifically, in some examples, the first electric cylinder block 5310 is coupled to the first moving platform 529 by a second rotating pair, the first cylinder rod 5320 and the second moving platform 539 passing through the third rotating pair; in other examples, As shown in FIGS. 14-15, the first electric cylinder block 5310 and the second movable platform 539 are passed through a third rotating pair, and the first cylinder rod 5320 is connected to the first moving platform 529 through the second rotating pair. The structure of the third driving device 560 and the third branch 530 is simple, and the cooperation between the third driving device 560 and the third branch 530 is convenient. Referring to FIGS. 12-15, one end of the third branch 530 is provided with a first mounting plate 5330, and the third driving device 560 is disposed on the first mounting plate 5330.

Further, the fourth driving device 570 is a motor, and the fourth branch 540 includes a second electric cylinder 5410 and a second cylinder rod 5420 that can be extended or retracted relative to the second electric cylinder 5410. The second electric cylinder 5410 And one of the second cylinder rods 5420 is connected to the first moving platform 529 through the fourth rotating pair, and the other of the second electric cylinder 5410 and the second cylinder rod 5420 is connected to the second moving platform 539 through the fifth rotating pair. The expansion and contraction of the second cylinder rod 5420 with respect to the second electric cylinder block 5410 is driven by a motor.

Specifically, in some examples, the second electric cylinder 5410 is coupled to the first moving platform 529 by a fourth rotating pair, and the second cylinder 5420 is coupled to the second moving platform 539 by a fifth rotating pair; in other examples As shown in FIGS. 14-15, the second cylinder rod 5420 is connected to the first moving platform 529 through the fourth rotating pair, and the second electric cylinder 5410 is connected to the second moving table 539 through the fifth rotating pair. The structure of the fourth driving device 570 and the fourth branch 540 is simple, and the cooperation between the fourth driving device 570 and the fourth branch 540 is convenient. Referring to FIGS. 12-15, one end of the fourth branch 540 is provided with a second mounting plate 5430, and the fourth driving device 570 is disposed on the second mounting plate 5430.

Further, the fifth branch 550 includes a barrel 5510 and a rod body 5520 embedded in the barrel 5510 and extendable or retractable relative to the barrel 5510. One of the barrel 5510 and the rod 5520 and the second moving platform The 539 is fixedly coupled, and the other of the cylinder 5510 and the rod 5520 is connected to the first movable stage 529 through the first rotating pair.

Specifically, in some examples, the barrel 5510 is coupled to the first moving platform 529 by a first rotating pair, and the rod 5520 is fixedly coupled to the second moving platform 539; in other examples, as shown in FIGS. 14-15 The cylinder 5510 is fixedly coupled to the second movable platform 539, and the rod body 5520 is connected to the first moving platform 529 through the first rotating pair.

As shown in FIGS. 14-15, the fifth driving device 59 includes a third electric cylinder 591, a third cylinder rod 592 that can be extended or retracted relative to the third electric cylinder 591, and a third cylinder rod for driving The third cylinder rod 592 is connected to the second moving platform 539 with respect to the motor 593 which is expanded and contracted with respect to the third electric cylinder 591. The third cylinder rod 592 is driven to expand and contract with respect to the third electric cylinder 591 by the control motor 593, thereby achieving the feeding of the workpiece in the horizontal direction by the feeding device 5. For example, in the specific example shown in FIGS. 14-15, the fifth driving device 59 is disposed on the right side of the second movable platform 539, and when the third cylinder rod 592 is extended relative to the third electric cylinder 591, The second moving platform 539, the first moving platform 529 and the workpiece are both moved to the left, whereby the workpiece can be fed to the left; when the third cylinder rod 592 is retracted relative to the third electric cylinder 591, the second moving platform at this time 539. The first moving platform 529 and the workpiece are both moved to the right, whereby the workpiece can be fed to the right. The fifth driving device 59 has a simple structure and a stable and reliable driving process. Referring to FIGS. 12-15, the fifth driving device 59 may be disposed on the fixed platform 51. The fixed platform 51 is provided with a third mounting plate 512, and the fifth driving device 59 is disposed on the third mounting plate 512.

As shown in FIGS. 14-15, the fixed platform 51 is provided with a first guide rail 511 for guiding the relative movement between the second movable platform 539 and the fixed platform 51, thereby making the movement process of the second movable platform 539 more Smooth and smooth.

As shown in FIGS. 12-13, the frame 1 includes a bottom plate 11 and a support plate 12, and the support plate 12 is vertically disposed on the bottom plate 11, and one end of the fixed platform 51 is fixedly coupled to the support plate 12. The fixed platform 51 cantilever is supported 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 to reduce the vibration generated between the fixed platform 51 and the support plate 12, in some examples of the present invention, such as As shown in Figures 12-13, the stationary platform 51 is formed as a hollow structure.

Further, as shown in FIGS. 12 to 13, the cross-sectional area of the fixed platform 51 is gradually increased in the direction toward the support plate 12, whereby the reliability of the connection between the fixed platform 51 and the support plate 12 can be further improved. Sexuality and structural rigidity. As shown in FIGS. 12-13, the lower surface of the stationary platform 51 may be formed as a curved surface.

The number of the cutting rolls 2 is three or more. For example, in the examples shown in FIGS. 12 to 13 and 11, the number of the cutting rolls 2 is three.

As shown in FIG. 11, the cutting drive device 4 includes a driving motor 41 and a plurality of timing pulleys 420. The driving motor 41 is disposed on the frame 1, and the plurality of timing pulleys 420 and the plurality of cutting rollers 2 are connected one-to-one. A plurality of timing pulleys 420 are connected by a timing belt 430, and one of the plurality of timing pulleys 420 is connected to the drive motor 41. The driving motor 41 rotates to drive the timing pulley 420 connected thereto to rotate, and the rotation of the timing pulley 420 is transmitted to the remaining timing pulleys 420 via the timing belt 430, so that the plurality of timing pulleys 420 are synchronously rotated, thereby driving and The plurality of cutting rolls 2 connected to the plurality of timing pulleys 420 are synchronously rotated.

Further, as shown in FIG. 11, the cutting drive device 4 further includes a second tensioning pulley 440 that abuts the timing belt 430, thereby effectively preventing the timing belt 430 from loosening during the transmission process, and improving the cutting drive device. 4 operational safety and reliability.

It should be noted that the technical features described in the present application may be arbitrarily combined in a reasonable manner, and the technical solutions formed by the combination are all within the protection scope of the present application. For example, the cutting drive device 4 in the first embodiment can be used in the second and third embodiments, and similarly, the cutting drive device 4 in the second and third embodiments can also be used in the first embodiment.

In the description of the present specification, the description with reference to the terms "one embodiment", "some embodiments", "illustrative embodiment", "example", "specific example", or "some examples", etc. Particular features, structures, materials or features described in the examples or examples are included in at least one embodiment or example of the invention. In the present specification, the schematic representation of the above terms does not necessarily mean the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in a suitable manner in any one or more embodiments or examples.

While the embodiments of the present invention have been shown and described, the embodiments of the invention may The scope of the invention is defined by the claims and their equivalents.

Claims

A multi-wire cutting machine, comprising:

frame;

a plurality of cutting rolls, a plurality of the cutting rolls are respectively rotatably disposed on the frame about a horizontal axis, and the cutting rolls are connected to the cutting drive device;

a cutting line, the cutting line is wound on a plurality of the cutting rolls, and two ends of the cutting line are respectively connected to a take-up roll and a take-up roll;

a feeding device for feeding a workpiece, the feeding device being disposed on the frame and below the cutting roller, the feeding device being configured to:

Feeding of the machined workpiece in the vertical direction as well as in the horizontal direction can be achieved simultaneously; and/or

The sway feed of the machined workpiece can be achieved.
The multi-wire cutting machine according to claim 1, wherein said feeding means comprises:

Positioning platform, the fixed platform is fixed on the frame;

a moving platform for supporting a workpiece, the moving platform being disposed above the fixed platform;

a first branch and a second branch, the first branch and the second branch being disposed between the fixed platform and the moving platform, the first branch having a first upper end, a lower end portion and a first intermediate portion between the first upper end portion and the first lower end portion, the second branch having a second upper end portion, a second lower end portion, and the second portion a second intermediate portion between the upper end portion and the second lower end portion, wherein there is a rotation between the first lower end portion and the fixed platform, between the second lower end portion and the fixed platform a pair of moving pairs actively driven in a horizontal direction, a rotating pair between the first intermediate portion and the second intermediate portion, and a second upper end portion between the first upper end portion and the moving platform And a rotating pair between the moving platform, and one of the first upper end and the moving platform, between the second upper end and the moving platform has a driven drive in a horizontal direction Mobile vice

a first driving device for driving relative movement between the first lower end portion and the fixed platform in a horizontal direction;

a second driving device for driving relative movement between the second lower end portion and the fixed platform in a horizontal direction.
The multi-wire cutting machine according to claim 1, wherein the movable platform is provided with a guide rail for guiding the movement of the first upper end portion or the second upper end portion.
The multi-wire cutting machine according to claim 1, wherein said first driving means comprises a first motor and a first lead screw, said first lead screw comprising a first screw and sleeved at said first a first nut on the screw, the second driving device includes a second motor and a second lead screw, the second lead screw includes a second screw and a second nut sleeved on the second screw, a first screw is coupled to the first motor, and the second screw is coupled to the second motor,

The first screw and the second screw both extend in a horizontal direction, and are fixed to the fixed platform side by side and spaced apart from each other, and the first lower end portion and the first nut are connected by a rotating pair. The second lower end portion and the second nut are connected by a rotating pair.
The multi-wire cutting machine according to claim 1, wherein said feeding means comprises:

Positioning platform, the fixed platform is fixed on the frame;

a moving platform, the moving platform is disposed above the fixed platform, and the moving platform is adapted to support a workpiece;

a third branch, a fourth branch, and a fifth branch that are respectively extendable along an axial direction thereof, wherein the third branch, the fourth branch, and the fifth branch are all disposed on the moving platform And the fixed platform, and the third branch and the fourth branch are disposed on two sides of the fifth branch, the fifth branch extends in a vertical direction, the fifth An upper end of the branch is connected to the moving platform through a first rotating pair, and a lower end of the fifth branch is fixedly connected to the fixed platform, and two ends of the third branch are respectively associated with the moving platform and the The fixed platform is connected by the second rotating pair and the third rotating pair, and the two ends of the fourth branch are respectively connected to the moving platform and the fixed platform through the fourth rotating pair and the fifth rotating pair, the first The axes of the 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 third driving device for driving the third branch to expand and contract along its axial direction;

A fourth driving device for driving the fourth branch to expand and contract along its axial direction.
The multi-wire cutting machine according to claim 5, wherein the third driving device is a motor, and the third branch includes a first electric cylinder and is extendable relative to the first electric cylinder or a retracted first cylinder rod, one of the first electric cylinder block and the first cylinder rod being connected to the moving platform by the second rotating pair, the first electric cylinder block and the first The other of the one cylinder rod is connected to the fixed platform by the third rotary pair, and the expansion and contraction of the first cylinder rod relative to the first electric cylinder is driven by the motor.
A multi-wire cutting machine according to claim 5 or claim 6, wherein said fourth driving means is a motor, said fourth branch includes a second electric cylinder block and is extendable relative to said second electric cylinder block a second cylinder rod that is retracted or retracted, one of the second electric cylinder block and the second cylinder rod being connected to the moving platform through the fourth rotating pair, the second electric cylinder body and the The other of the second cylinder rods is connected to the fixed platform by the fifth rotating pair, and the expansion and contraction of the second cylinder rod relative to the second electric cylinder is driven by the motor.
The multi-wire cutting machine according to any one of claims 5-7, wherein the fifth branch comprises a cylinder and is embedded in the cylinder and is extendable relative to the cylinder or a retracted rod body, one of the barrel body and the rod body being fixedly coupled to the fixed platform, and the other of the barrel body and the rod body being connected to the moving platform by the first rotating pair.
The multi-wire cutting machine according to claim 1, wherein said feeding means comprises:

Positioning platform, the fixed platform is fixed on the frame;

a first moving platform and a second moving platform spaced apart in the up and down direction, the second moving platform and the fixed platform being connected by a moving pair in a horizontal direction, the first moving platform being adapted to support the workpiece;

a third branch, a fourth branch, and a fifth branch that are respectively extendable along an axial direction thereof, wherein the third branch, the fourth branch, and the fifth branch are both disposed at the first Between the movable platform and the second moving platform, and the third branch and the fourth branch are disposed on two sides of the fifth branch, and the fifth branch extends in a vertical direction. The upper end of the fifth branch is connected to the first moving platform through a first rotating pair, and the lower end of the fifth branch is fixedly connected to the second moving platform, and the two ends of the third branch are respectively The first moving platform and the second moving platform are connected by the second rotating pair and the third rotating pair, and the two ends of the fourth branch are respectively connected to the first moving platform and the second moving platform Connected by the fourth rotating pair and 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 third driving device for driving the third branch to expand and contract along its axial direction;

a fourth driving device for driving the fourth branch to expand and contract along its axial direction;

a fifth driving device for driving the second moving platform and the fixed platform to move relative to each other in the horizontal direction.
A multi-wire cutting machine according to claim 9, wherein said third driving means is a motor, said third branch comprising a first electric cylinder block and extending relative to said first electric cylinder block or a retracted first cylinder rod, one of the first electric cylinder block and the first cylinder rod being connected to the first moving platform by the second rotating pair, the first electric cylinder block and the The other of the first cylinder rods is connected to the second moving platform via the third rotating pair, and the expansion and contraction of the first cylinder rod relative to the first electric cylinder is driven by the motor.
A multi-wire cutting machine according to claim 9 or 10, wherein said fourth driving means is a motor, said fourth branch includes a second electric cylinder block and is extendable relative to said second electric cylinder block a second cylinder rod that is retracted or retracted, one of the second electric cylinder block and the second cylinder rod being connected to the first moving platform by the fourth rotating pair, the second electric cylinder And the other of the second cylinder rods is connected to the second moving platform through the fifth rotating pair, and the expansion and contraction of the second cylinder rod relative to the second electric cylinder is driven by the motor.
The multi-wire cutting machine according to any one of claims 9-11, wherein the fifth branch comprises a cylinder and is embedded in the cylinder and is extendable relative to the cylinder or a retracted rod body, one of the barrel body and the rod body being fixedly coupled to the second moving platform, the other of the barrel body and the rod body and the first moving platform passing the first The rotating pair is connected.
The multi-wire cutting machine according to any one of claims 9 to 12, wherein the fifth driving device comprises:

a third electric cylinder block and a third cylinder rod extendable or retractable relative to the third electric cylinder block, the third cylinder rod being connected to the second moving platform, the third electric cylinder body and the The platform is connected;

a motor for driving the third cylinder rod to expand and contract with respect to the third electric cylinder.
The multi-wire cutting machine according to any one of claims 9 to 13, wherein the fixed platform is provided with a first guide for guiding relative movement between the second movable platform and the fixed platform. guide.
The multi-wire cutting machine according to any one of claims 1 to 14, wherein the frame comprises:

Bottom plate

The support plate is vertically disposed on the bottom plate, and one end of the fixed platform is fixedly connected to the support plate.
The multi-wire cutting machine according to claim 15, wherein the fixed platform is formed in a hollow structure, and a cross-sectional area of the fixed platform is gradually increased in a direction toward the support plate.
The multi-wire cutting machine according to any one of claims 1 to 16, wherein the cutting drive device comprises:

Driving a motor, the driving motor being disposed on the frame;

a first timing pulley, the first timing pulley is disposed on the frame and connected to the driving motor;

a plurality of second timing pulleys, wherein the plurality of second timing pulleys are connected in one-to-one correspondence with the plurality of cutting rollers, and the plurality of the second timing pulleys are connected by a second timing belt, and the plurality of A portion of the second timing pulley is coupled to the first timing pulley by a first timing belt.
The multi-wire cutting machine according to claim 17, wherein said cutting drive means further comprises a first tensioning pulley that abuts said second timing belt.
The multi-wire cutting machine according to any one of claims 1 to 16, wherein the cutting drive device comprises:

Driving a motor, the driving motor being disposed on the frame;

a plurality of timing pulleys, a plurality of the timing pulleys and a plurality of the cutting rollers are connected in one-to-one correspondence, a plurality of the timing pulleys are connected by a timing belt, and one of the plurality of timing pulleys The drive motor is connected.
The multi-wire cutting machine according to claim 19, wherein said cutting drive means further comprises a second tensioning pulley that abuts said timing belt.