CN114346320A - Wire cutting equipment - Google Patents
Wire cutting equipment Download PDFInfo
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- CN114346320A CN114346320A CN202210064180.4A CN202210064180A CN114346320A CN 114346320 A CN114346320 A CN 114346320A CN 202210064180 A CN202210064180 A CN 202210064180A CN 114346320 A CN114346320 A CN 114346320A
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- guide
- lead screw
- wire
- saw
- slide rail
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Abstract
The invention provides linear cutting equipment which comprises a rotary workbench, traction assemblies and saw wires, wherein the traction assemblies are respectively arranged on two sides of the rotary workbench and are arranged oppositely, and the saw wires are respectively connected with the traction assemblies at two ends in a one-to-one mode; one end of the saw wire sequentially penetrates through the guide device and the tensioning device of the corresponding traction assembly and is wound on the corresponding retraction device of the traction assembly. Through with the vertical sliding connection of guider on the stand and with stand horizontal sliding connection on the slide rail, utilize swivel work head to drive the work piece simultaneously and rotate, the saw wire can change the cutting gesture of saw wire under two guider's drive, forms the processing orbit of complicated curved surface, is applicable to the processing of complicated curved surface class spare part and equipment can be built in a flexible way, the cost is lower relatively.
Description
Technical Field
The invention relates to cutting equipment, in particular to linear cutting equipment.
Background
In recent years, with the rapid development of the fields of aerospace, medical industry, tool and die manufacturing industry, automobile industry and the like, a large number of complex curved surface shape parts with high processing difficulty and strict performance index requirements appear. The traditional curved surface processing modes such as milling, grinding and the like have the problems of small contact area between a cutter and a workpiece (belonging to point contact processing), large processing allowance, serious cutter abrasion, low processing efficiency and the like. The linear processing technology can effectively improve the processing efficiency and the material utilization rate.
The applicant provides a curved surface rough machining method based on flexible abrasive particle mechanical cutting in a Chinese invention patent application with publication number CN111240271A, wherein two devices for realizing the machining method are mentioned, one is to realize curved surface cutting machining by controlling a workpiece to move relative to a line data through a workbench, and the other is to realize curved surface cutting machining by performing space sweeping motion on the surface of the workpiece through a mechanical arm control line; the former completely controls the action of a workpiece by a workbench, and the workbench and the wire saw interfere with each other at certain processing positions (for example, when the workbench is turned over by 90 degrees along the wire saw direction), the method is difficult to be applied to the processing of complex curved surface parts; the latter is realized by means of multi-joint mechanical arms, and the equipment cost is relatively high.
In view of the above, the applicant has made an intensive study on the structure of a wire cutting apparatus, and has made this disclosure.
Disclosure of Invention
The invention aims to provide a linear cutting device which is suitable for processing complex curved surface parts and has relatively low device cost.
In order to achieve the purpose, the invention adopts the following technical scheme:
a wire cutting device comprises a rotary workbench, traction assemblies which are respectively arranged on two sides of the rotary workbench and are arranged oppositely, and saw wires of which two ends are respectively connected with the traction assemblies in a one-to-one manner;
the traction assembly comprises a first slide rail and a second slide rail which are arranged in parallel, a retracting device which is horizontally and slidably connected to the first slide rail, an upright which is horizontally and slidably connected to the second slide rail and is vertically arranged, a guide device which is vertically and slidably connected to the upright, a tensioning device which is directly or indirectly fixedly connected to the upright, a guide motor for driving the guide device to vertically slide and a transverse moving motor for driving the retracting device and the upright to synchronously slide, wherein the first slide rail is far away from the rotary workbench relative to the second slide rail, and the retracting device, the tensioning device and the guide device are sequentially arranged in a straight line in a projection on a horizontal plane;
one end of the saw wire sequentially penetrates through the guide device and the tensioning device of the corresponding traction assembly and is wound on the corresponding retraction device of the traction assembly.
As a modification of the invention, the saw wire is a diamond wire saw.
As an improvement of the invention, the winding and unwinding device comprises a sliding seat connected to the first sliding rail in a sliding manner, a winding drum connected to the sliding seat in a rotating manner, a winding and unwinding motor for driving the winding drum to rotate, a guide rod fixedly connected to the sliding seat and arranged in parallel with the winding drum, a sliding block connected to the guide rod in a sliding manner, a wire arranging motor for driving the sliding block to slide, and a wire arranging wheel connected to the sliding block in a rotating manner, wherein the saw wire abuts against or is wound on the wire arranging wheel, and one end of the saw wire is wound on the winding drum.
As an improvement of the invention, the tensioning device comprises a sliding rod which is directly or indirectly fixedly connected to the upright column and is vertically arranged, a supporting rod which is fixedly connected to the upper end of the sliding rod, a fixed pulley which is rotatably connected to the supporting rod, a lifting block which is vertically and slidably connected to the sliding rod, a movable pulley which is rotatably connected to the lifting block, and a balancing weight which is hung on the movable pulley, wherein the fixed pulley and the movable pulley are arranged in a staggered manner in the horizontal direction, and the projection of the fixed pulley on the horizontal plane is positioned between the projection of the movable pulley and the projection of the retraction device on the plane.
As an improvement of the present invention, the guiding device includes a guiding seat vertically slidably connected to the upright, a guiding bracket disposed in an inclined manner with respect to a horizontal plane, and a first guiding wheel and a second guiding wheel sequentially rotatably connected to the guiding bracket from top to bottom, an upper end of the guiding bracket is fixedly connected to the guiding seat, and a lower end of the guiding bracket faces the rotary table.
As an improvement of the present invention, in the same traction assembly, a first lead screw arranged in parallel with the first slide rail is arranged beside the first slide rail, a second lead screw arranged in parallel with the second slide rail is arranged beside the second slide rail, belt pulleys are fixedly connected to one ends of the first lead screw and the second lead screw, a synchronous belt is wound between the two belt pulleys, the traverse motor is in transmission connection with one end of the first lead screw or one end of the second lead screw, a first lead screw nut matched with the first lead screw is fixedly connected to the retraction device, and a second lead screw nut matched with the second lead screw is fixedly connected to the stand column.
By adopting the technical scheme, the invention has the following beneficial effects:
1. through with the vertical sliding connection of guider on the stand and with stand horizontal sliding connection on the slide rail, utilize swivel work head to drive the work piece simultaneously and rotate, the saw line can change the cutting gesture of saw line under two guider's the drive, forms the processing orbit of complicated curved surface, is applicable to the processing of complicated curved surface class spare part and equipment cost is lower relatively.
2. The two traction assemblies can be flexibly built, the linear cutting of complex curved surface models with different sizes is met, the machining efficiency and the material utilization rate are improved, and the device is suitable for machining brittle and hard materials and metal material models.
3. Through invariable assurance saw line tensile force of balancing weight quality, when the processing process tensile force takes place undulantly, the movable pulley can reciprocate under the effect of the gravity of balancing weight and realize adjusting.
4. The linear cutting equipment provided by the invention can realize the processing of complex curved surface models, is simple and easy to install, meets the requirements of model processing with different sizes and material attributes, and solves the problems of low processing efficiency, poor processing quality and the like in the current point contact processing mode.
Drawings
FIG. 1 is a schematic view of a wire cutting apparatus according to the present invention;
FIG. 2 is a schematic structural view of the retracting device of the present invention;
FIG. 3 is a schematic view of the tensioner of the present invention;
fig. 4 is a schematic structural view of the guide device of the present invention, and the guide seat is omitted.
The designations in the figures correspond to the following:
100-a rotating table; 200-a traction assembly;
210-a first slide rail; 220-a second slide rail;
230-retraction device; 231-a slide carriage;
232-reel; 233-retracting and releasing the motor;
234-a guide bar; 235-a slider;
236-a flat cable motor; 237-wire arranging wheel;
240-column; 250-a guide;
251-a guide seat; 252-a guide support;
253-a first guide wheel; 254-a second guide wheel;
260-a tensioning device; 261-a slide bar;
262-a strut; 263-fixed pulley;
264-lifting block; 265-a movable pulley;
266-a counterweight; 270-a steering motor;
280-a traversing motor; 281-a first screw rod;
282-second lead screw; 283-belt wheel;
284-a synchronous belt; 300-saw wire.
Detailed Description
The invention is further described with reference to the following figures and specific embodiments.
As shown in fig. 1 to 4, the present embodiment provides a wire cutting apparatus, including a rotary table 100, pulling assemblies 200 respectively disposed at two sides of the rotary table 100 and disposed oppositely, and a saw wire 300 having two ends respectively connected with the pulling assemblies 200 one-to-one, wherein the rotary table 100 is a conventional table, a workpiece placed on the rotary table 100 can be driven by the rotary table 100 to rotate around an axis disposed vertically, the rotary table 100 can be directly purchased from the market, which is not the focus of the present embodiment, and details are not described herein.
The traction assembly 200 includes a first slide rail 210 and a second slide rail 220 which are horizontally arranged and arranged in parallel with each other, a retraction device 230 horizontally slidably connected to the first slide rail 210, a vertical column 240 horizontally slidably connected to the second slide rail 220 and arranged vertically, a guide device 250 vertically slidably connected to the vertical column 240, a tensioning device 260 directly or indirectly fixedly connected to the vertical column 240, a guide motor 270 for driving the guide device 260 to slide vertically, and a traverse motor 280 for driving the retraction device 230 and the vertical column 240 to slide synchronously, wherein a specific transmission connection structure between the guide motor 270 and the guide device 260 may be a conventional structure, for example, a transmission connection is realized through a screw rod assembly, and the like, and details are not described herein. The first slide rail 210 is far away from the rotary table 100 relative to the second slide rail 220, and the projections of the retraction device 230, the tensioning device 260 and the guide device 250 on the horizontal plane are arranged in a straight line in sequence.
The saw wire 300 is a diamond wire saw, and includes a diamond wire saw prepared by resin consolidation, brazing consolidation, electroplating consolidation, etc., one end of which passes through the guide 250 and the tensioning device 260 of the corresponding pulling assembly 200 in sequence and is wound on the winding and unwinding device 230 of the corresponding pulling assembly 200.
The winding and unwinding device 230 comprises a sliding base 231 slidably connected to the first sliding rail 210, a winding drum 232 rotatably connected to the sliding base 231, a winding and unwinding motor 233 for driving the winding drum 232 to rotate, a guide rod 234 fixedly connected to the sliding base 231 and arranged parallel to the winding drum 232, a sliding block 235 slidably connected to the guide rod 234, a winding displacement motor 236 for driving the sliding block 235 to slide, and a winding displacement wheel 237 rotatably connected to the sliding block 235, wherein the winding drum 232 is horizontally arranged and arranged perpendicular to the first sliding rail 210, a central axis of the winding displacement wheel 237 is horizontally arranged and arranged perpendicular to a central axis of the winding drum 232, a specific transmission connection structure between the winding displacement motor 236 and the sliding block 235 may be a conventional structure, such as a transmission connection realized by a lead screw assembly, and the like, and a specific connection structure between the winding and unwinding motors 233 may also be a conventional structure, such as a direct connection or a connection through a coupling or a speed reducer, and the like, and will not be described in detail herein. The saw wire 300 abuts against or is wound around the wire arranging wheel 237, and one end of the saw wire 300 is wound around the reel 232. When the winding and unwinding device is used, the winding and unwinding motor 233 drives the winding drum 232 to rotate forwards or reversely to wind and unwind the saw wire 300, and the sliding block 235 drives the wire arranging wheel 237 to slide back and forth in the process of winding and unwinding the saw wire 300, so that the saw wire 300 can be orderly arranged on the winding drum 232.
The guide device 250 includes a guide seat 251 vertically slidably coupled to the column 240, a guide bracket 252 disposed to be inclined with respect to a horizontal plane, and a first guide wheel 253 and a second guide wheel 254 rotatably coupled to the guide bracket 252 from the top down in sequence, an upper end of the guide bracket 252 is fixedly coupled to the guide seat 251, and a lower end of the guide bracket 252 faces the rotary table 100. The portion of the saw wire 300 between the guides 250 of the two drawing assemblies 200 forms a working section for processing a workpiece placed on the rotary table 100, and the saw wire 300 is wound on the guides 250 in such a manner as to wind on the side of the second guide wheel 254 facing away from the rotary table 100 starting from the lower end of the first guide wheel 253, wind in the opposite direction on the first guide wheel 253 after passing through the position between the second guide wheel 254 and the first guide wheel 253, and finally be drawn out from the upper end of the first guide wheel 253.
The tensioning device 260 comprises a sliding rod 261 which is directly or indirectly fixedly connected to the upright post 240 and is vertically arranged, a supporting rod 262 which is fixedly connected to the upper end of the sliding rod 261, a fixed pulley 263 which is rotatably connected to the supporting rod 262, a lifting block 264 which is vertically and slidably connected to the sliding rod 261, a movable pulley 265 which is rotatably connected to the lifting block 264 and a balancing weight 266 which is hung on the movable pulley 265, wherein the fixed pulley 263 and the movable pulley 265 are arranged in a staggered mode in the horizontal direction (namely, the projections of the fixed pulley 263 and the movable pulley 265 on the horizontal plane are not overlapped), and the projection of the fixed pulley 263 on the horizontal plane is located between the projection of the movable pulley 265 and the plane of the winding and unwinding device 230, namely, the positioning pulley 263 is close to the winding and unwinding device 230 relative to the movable pulley 265. The saw wire led out from the guide 250 is wound around the movable pulley 265, reversely wound around the fixed pulley 263, and finally drawn to the wire arranging wheel 237 of the take-up and pay-off device 230. Therefore, the tension of the saw wire 100 can be guaranteed to be constant through the constant quality of the balancing weight 266, and when the tension of the machining process fluctuates, the movable pulley 265 can move up and down under the action of the gravity or the tension of the balancing weight to realize adjustment. Of course, the amount of tension can be adjusted by changing the mass of the weight 266.
The specific drive connection between the traverse motor 280 and the winding and unwinding device 230 and the mast 240 may be a conventional structure, such as a rack and pinion assembly, in this embodiment, in the same traction assembly 200, a first lead screw 281 parallel to the first slide rail 210 is disposed beside the first slide rail 210, a second lead screw 282 parallel to the second slide rail 220 is disposed beside the second slide rail 220, belt pulleys 283 are fixedly connected to one ends of the first lead screw 281 and the second lead screw 282, a synchronous belt 284 is wound between the two belt pulleys 283, the traverse motor 280 is in transmission connection with one end of the first lead screw 281 or one end of the second lead screw 282, in this embodiment, an example is described by taking connection between an output shaft of the traverse motor 280 and one end of the second lead screw 282 as an example, a first lead screw nut matching with the first lead screw 281 is fixedly connected to the slide seat 231 of the retraction device 230, and a second lead screw nut matching with the second lead screw 282 is fixedly connected to the upright post 240. The first lead screw 281 and the second lead screw 282 are lead screws with the same specification, so that the winding and unwinding device 230 and the upright post 240 can be driven to synchronously act by the traversing motor 280, and the relative horizontal position relationship among the winding drum 232, the tensioning device 260 and the guide device 250 is ensured to be constant all the time.
When the cutting device is used, the saw wire 300 reciprocates between the two traction assemblies 200 to realize cutting, the transverse movement of the upright post 240 and the vertical movement of the guide device 250 are realized, the workpiece is driven to rotate by the rotary workbench 100 to form a machining track of a complex curved surface, and the two guide devices 250 work independently to realize the movement of two moving pairs and two rotating pairs.
According to the wire cutting equipment, the cutting posture of the saw wire 300 is changed through the guide device 250, the rack can be flexibly built, the wire cutting of complex curved surface models with different sizes is met, the processing efficiency and the material utilization rate are improved, and the wire cutting equipment is suitable for processing brittle and hard materials and metal material models.
The present invention is described in detail with reference to the attached drawings, but the embodiments of the present invention are not limited to the above embodiments, and those skilled in the art can make various modifications to the present invention based on the prior art, which fall within the scope of the present invention.
Claims (6)
1. The wire cutting equipment is characterized by comprising a rotary workbench, traction assemblies which are respectively arranged on two sides of the rotary workbench and are arranged oppositely, and saw wires of which two ends are respectively connected with the traction assemblies in a one-to-one mode;
the traction assembly comprises a first slide rail and a second slide rail which are arranged in parallel, a retracting device which is horizontally and slidably connected to the first slide rail, an upright which is horizontally and slidably connected to the second slide rail and is vertically arranged, a guide device which is vertically and slidably connected to the upright, a tensioning device which is directly or indirectly fixedly connected to the upright, a guide motor for driving the guide device to vertically slide and a transverse moving motor for driving the retracting device and the upright to synchronously slide, wherein the first slide rail is far away from the rotary workbench relative to the second slide rail, and the retracting device, the tensioning device and the guide device are sequentially arranged in a straight line in a projection on a horizontal plane;
one end of the saw wire sequentially penetrates through the guide device and the tensioning device of the corresponding traction assembly and is wound on the corresponding retraction device of the traction assembly.
2. The wire cutting apparatus of claim 1, wherein the saw wire is a diamond wire saw.
3. The wire cutting device according to claim 1, wherein the winding and unwinding device comprises a sliding base slidably connected to the first sliding rail, a winding drum rotatably connected to the sliding base, a winding and unwinding motor for driving the winding drum to rotate, a guide rod fixedly connected to the sliding base and arranged in parallel with the winding drum, a sliding block slidably connected to the guide rod, a wire arranging motor for driving the sliding block to slide, and a wire arranging wheel rotatably connected to the sliding block, the saw wire abuts against or is wound on the wire arranging wheel, and one end of the saw wire is wound on the winding drum.
4. The wire cutting machine as claimed in claim 1, wherein the tensioning device comprises a vertically arranged sliding rod fixedly connected to the upright column directly or indirectly, a supporting rod fixedly connected to an upper end of the sliding rod, a fixed pulley rotatably connected to the supporting rod, a lifting block vertically slidably connected to the sliding rod, a movable pulley rotatably connected to the lifting block, and a counterweight block suspended on the movable pulley, the fixed pulley and the movable pulley are arranged in a staggered manner in a horizontal direction, and a projection of the fixed pulley on a horizontal plane is located between a projection of the movable pulley and a projection of the retractable device on a plane.
5. The wire cutting machine as claimed in claim 1, wherein the guide means comprises a guide base vertically slidably coupled to the column, a guide bracket disposed to be inclined with respect to a horizontal plane, and a first guide wheel and a second guide wheel rotatably coupled to the guide bracket in sequence from top to bottom, an upper end of the guide bracket is fixedly coupled to the guide base, and a lower end of the guide bracket faces the rotary table.
6. The wire cutting device as claimed in any one of claims 1 to 5, wherein a first lead screw disposed parallel to the first rail is disposed beside the first rail, a second lead screw disposed parallel to the second rail is disposed beside the second rail in the same traction assembly, belt pulleys are fixedly connected to one ends of the first lead screw and the second lead screw, a timing belt is wound between the two belt pulleys, the traverse motor is in transmission connection with one end of the first lead screw or the second lead screw, a first lead screw nut engaged with the first lead screw is fixedly connected to the retraction device, and a second lead screw nut engaged with the second lead screw is fixedly connected to the column.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210064180.4A CN114346320B (en) | 2022-01-20 | 2022-01-20 | Wire cutting equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210064180.4A CN114346320B (en) | 2022-01-20 | 2022-01-20 | Wire cutting equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114346320A true CN114346320A (en) | 2022-04-15 |
| CN114346320B CN114346320B (en) | 2022-12-27 |
Family
ID=81091709
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210064180.4A Active CN114346320B (en) | 2022-01-20 | 2022-01-20 | Wire cutting equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114346320B (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0520861U (en) * | 1991-07-04 | 1993-03-19 | 株式会社進興製作所 | Saw wire cutting machine |
| CN101500753A (en) * | 2006-06-30 | 2009-08-05 | 国立大学法人长崎大学 | Cutting method and cutting device |
| CN104369274A (en) * | 2014-11-17 | 2015-02-25 | 福州天石源超硬材料工具有限公司 | Horizontal loop line cutting machine with cantilever |
| US20180326590A1 (en) * | 2015-11-16 | 2018-11-15 | Takatori Corporation | Wire saw device, and processing method and processing device for workpiece |
| CN112045865A (en) * | 2020-09-22 | 2020-12-08 | 厦门品河机械制造有限公司 | Horizontal open-loop reciprocating diamond wire special-shaped cutting machine |
| CN212471984U (en) * | 2020-03-12 | 2021-02-05 | 深圳市威雄精机有限公司 | Wire cutting apparatus |
| CN212528269U (en) * | 2020-09-22 | 2021-02-12 | 厦门品河机械制造有限公司 | Mechanical arm type open-loop reciprocating diamond wire special-shaped cutting machine |
| CN112938645A (en) * | 2021-03-05 | 2021-06-11 | 江苏苏缆电缆有限公司 | Wire and cable cutting machine with receive material structure |
-
2022
- 2022-01-20 CN CN202210064180.4A patent/CN114346320B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0520861U (en) * | 1991-07-04 | 1993-03-19 | 株式会社進興製作所 | Saw wire cutting machine |
| CN101500753A (en) * | 2006-06-30 | 2009-08-05 | 国立大学法人长崎大学 | Cutting method and cutting device |
| CN104369274A (en) * | 2014-11-17 | 2015-02-25 | 福州天石源超硬材料工具有限公司 | Horizontal loop line cutting machine with cantilever |
| US20180326590A1 (en) * | 2015-11-16 | 2018-11-15 | Takatori Corporation | Wire saw device, and processing method and processing device for workpiece |
| CN212471984U (en) * | 2020-03-12 | 2021-02-05 | 深圳市威雄精机有限公司 | Wire cutting apparatus |
| CN112045865A (en) * | 2020-09-22 | 2020-12-08 | 厦门品河机械制造有限公司 | Horizontal open-loop reciprocating diamond wire special-shaped cutting machine |
| CN212528269U (en) * | 2020-09-22 | 2021-02-12 | 厦门品河机械制造有限公司 | Mechanical arm type open-loop reciprocating diamond wire special-shaped cutting machine |
| CN112938645A (en) * | 2021-03-05 | 2021-06-11 | 江苏苏缆电缆有限公司 | Wire and cable cutting machine with receive material structure |
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| Publication number | Publication date |
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| CN114346320B (en) | 2022-12-27 |
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