CN104118014B - The sweep-saw that electromagnet drives - Google Patents
The sweep-saw that electromagnet drives Download PDFInfo
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- CN104118014B CN104118014B CN201410002367.7A CN201410002367A CN104118014B CN 104118014 B CN104118014 B CN 104118014B CN 201410002367 A CN201410002367 A CN 201410002367A CN 104118014 B CN104118014 B CN 104118014B
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- frame
- saw
- electromagnet
- sweep
- saw blade
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Abstract
The sweep-saw that electromagnet of the present invention drives, containing support, frame, saw blade and workbench, workbench connects support, and erecting is on support; There is guide rail inside frame and join arc saw frame; Frame inner top side mouth connects electromagnet, and lower port connects lower electromagnet, and electromagnet is made up of yoke, solenoid and armature core, yoke and frame connect, and connect, sleeve spring between armature core and solenoid outside armature core and saw frame, spring one end withstands on bottom yoke, and the other end withstands on outside saw frame; Connect hook with upper electromagnet corresponding position by latch plate inside saw frame, bottom and lower electromagnet corresponding position connect lower draw-bar; Saw blade hangs on lower draw-bar; Latch plate one end and saw frame are connected, and the other end hangs up hook by circular hole, have shoulder block to lean against circular hole upper surface, establish adjustment screw in the middle part of latch plate in the middle part of upper hook; Controlled by electric device by solenoidal electric current.Sweep-saw of the present invention has having stable behavior, efficiency is high, tractive force is balanced, sawtooth is had to the effect of protection.
Description
Technical field
The present invention relates to the sweep-saw of woodworking machinery, be specifically related to the sweep-saw that a kind of electromagnet drives.
Background technology
Usually with linear reciprocating motion mechanism alternation movement pattern or transmission motion in machine, or complete the function action required by production technology as executing agency, meet the requirement of the aspect such as speed, acceleration simultaneously.Such as crank block reciprocating linear moving mechanism, cam-type linear reciprocating motion mechanism, there are a common feature in these linear reciprocating motion mechanisms, be exactly all adopt tumbler be driving link band movable slider and so on part linearly guide rail movement to obtain linear reciprocating motion.These transmission mechanisms no doubt have many advantages, but its volume is large, complex structure and heaviness, the consumption of power because cross component force the is large and wearing and tearing produced also are very serious.The motive power of this transmission mechanism is generally motor, internal combustion engine or steam engine, and these motive power no doubt have many advantages, but its complex structure, expensive, and internal combustion engine contaminated environment is then its obvious defect.
Electromagnet is that electric energy is converted to electromagnetic energy, then electromagnetic energy is converted to the device of mechanical energy.The element of electromagnet is mostly identical with operation principle, is generally made up of coil, fixed core (yoke) and dynamic (armature) three major parts unshakable in one's determination.After coil passes through the electric current of certain value, in fixed core, dynamic iron core and air gap, just produce the magnetic flux of some, and then ferromagnetic material is produced to a certain size electromagnetic attraction, unshakable in one's determination suction to fixed core will be moved, after the electric current in coil stops, electromagnetic attraction also disappears very soon.Electromagnetic energy cleans, be easy to get, and electromagnet can form the motive power of rectilinear motion, and this motive application that can form rectilinear motion awaits further exploitation.
Number of patent application is 200410036368.X, name is called the patent of invention of " sweep-saw of steel wire drive ", disclose a kind of sweep-saw of steel wire drive, belong to sawing machinery, comprise base, casing, workbench, motor, saw blade clamp holder, saw blade and by the flywheel be fixed on motor shaft, bias is fixed on the little axle on flywheel, be sleeved on the roller on little axle, to be sleeved on roller with its elongated slot and with the slide block of left and right arms, to be fixed on casing and the guide block be sleeved on the left and right arms of slide block, be connected to the long steel wire on slide block left and right arms and short steel wire, be arranged on the guiding wheels on casing, upper/lower guide, afterbody is arranged on the saw blade clamp holder up and down in upper/lower guide respectively and is arranged on the steel wire strainer composition on casing.This sweep-saw is although be with steel wire drive, but it is in fact slide block and eccentric roller driving of installing, this type of drive exists and adopts tumbler to drive eccentricly to be fixed on little axle on flywheel as driving link, makes the large and consumption of power of cross component force produce the defect of heavy wear.
Summary of the invention
The technical issues that need to address of the present invention are, the sweep-saw the overcoming prior art part that adopts tumbler to be driving link band movable slider and so on linearly guide rail movement to obtain the defect existing for linear reciprocating motion, there is provided a kind of electromagnet that utilizes to carry out the sweep-saw that push-and-pull combines drive steel wire from two ends, the saw blade of sweep-saw of the present invention connects the function with buffering and limit load by elastic device.
The object of the invention is to be achieved by following technical proposals: the sweep-saw that a kind of electromagnet drives, comprise support, frame, saw blade and workbench, it is characterized in that, workbench is connected with support, and frame is U-shaped structure, and frame is arranged on support; Middle part inside frame is fixed with guide rail along the vertical direction, guide rail is furnished with arc saw frame; Upper port position inside frame is connected with electromagnet, lower port position inside frame is connected with lower electromagnet, upper electromagnet and lower electromagnet are respectively made up of yoke, solenoid and armature core, the exterior bottom of yoke is fixedly connected with frame, one end of armature core is fixedly connected with outside saw frame, overlap cylindrically coiled spring with a gap between armature core and solenoid, one end of cylindrically coiled spring withstands on the inside bottom of yoke, and the other end of cylindrically coiled spring withstands on saw frame lateral surface; The position corresponding with upper electromagnet armature core end, top inside saw frame is connected with upper hook by elastic device, and the position corresponding with the rank core ends of lower electromagnet, the bottom inside saw frame is connected with lower draw-bar; The two ends of saw blade are hooked on hook and lower draw-bar removably respectively; Described elastic device is made up of a latch plate, one end of latch plate is fixedly connected with the upper inner of saw frame, the other end of latch plate is linked up with corresponding position have circular hole with upper, and there is shoulder block at the middle part of upper hook, and upper hook is through this circular hole and shoulder block leans against the upper surface of described circular hole; The middle part of latch plate is provided with adjustment screw, and the screw thread of adjustment screw coordinates with the screw be located at inside saw frame; By powering on, magnet solenoid and the solenoidal electric current of lower electromagnet are controlled by the electric device being provided with electric current changement.
By workpiece plank clamping on the table, after opening gauge tap, power on magnet solenoid and the solenoidal current lead-through of lower electromagnet, upper and lower electromagnet armature core is attracted, identical and the periodic transformation direction of both force direction, common traction and pull saw frame, saw frame moves up and down along guide rail, by linking up with drive saw blade up and down.The scheme of cutting can be: 1, plank is fixing on the table, operator passes frame and makes it to move on support, frame drives saw frame, just can carry out sawing feed to saw blade, by mobile reaching saw blade relative to plank by predetermined curve movement to coordinating in length and breadth of frame, the curve shape meeted the requirements so just can be cut out; 2, frame is fixedly connected with support, and workbench and saw blade corresponding position have can through the through hole of saw blade, and plank is flat on the table, and operator coordinates mobile plank also can cut out the curve shape meeted the requirements in length and breadth.
As preferably, the solenoid turn-on action in turn of upper electromagnet and lower electromagnet, its force direction is contrary.
As preferably, the solenoid turn-on action simultaneously of upper electromagnet and lower electromagnet, the direction of its active force is identical and change along with the change of the saw frame direction of motion.
As preferably, frame is semicircular arc or openings shaped as frame, and upper hook and lower draw-bar are provided with length adjustment mechanism.
As preferably, described electric current changement comprises the upper stroke switch being fixed on frame inside upper part and the lower stroke switch being fixed on frame lower inside, on the upside of saw frame, be connected with the upper holder block corresponding with upper stroke switch of adjustable position, on the downside of saw frame, be connected with the lower lock block corresponding with lower stroke switch of adjustable position.
As preferably, the stroke of upper and lower electromagnet is greater than 50MM.
As preferably, the bottom surface of frame is at least connected with roller devices at four corners position, and the rolling member of roller devices is made up of steel ball; Workbench is the quadra structure of hollow.
As preferably, the material of saw blade is high-carbon low-alloy steel wire.
As preferably, saw frame side is provided with handle.
As preferably, frame is fixedly connected with support, and workbench and saw blade corresponding position have can through the through hole of saw blade.
The invention has the beneficial effects as follows:
1, move saw blade with electromagnet two-way tape, having stable behavior, avoid clamping stagnation, efficiency high;
2, move saw blade with electromagnet two-way tape, the mechanical rotation part structure compared with prior art is simple especially, cost is low;
3, electromagnet arranges the spring with energy-storage function, and tractive force is balanced;
4, connect saw blade by latch plate, possess the function of buffering and limit load, Absorbable rod impulsive force, to protect sawtooth, has the effect of protection to saw blade, can extend saw blade useful life.
Accompanying drawing explanation
Fig. 1 is the structure principle chart of an embodiment of the present invention.
Fig. 2 is the principle schematic of the another kind of embodiment of the present invention.
In figure, support 1; Frame 2; Guide rail 21; Saw blade 3; Workbench 4; Through hole 41; Saw frame 5; Upper electromagnet 6; Yoke 61; Solenoid 62; Armature core 63; Cylindrically coiled spring 64; Lower electromagnet 7; Upper hook 81; Lower draw-bar 82; Saw blade rate of tension governor motion 821; Adjustment screw 83; Latch plate 9; Electric device 10; Plank 11; Upper stroke switch 12; Lower stroke switch 13; Upper holder block 14; Lower lock block 15; Roller devices 16; Height adjustment mechanism 17.
Detailed description of the invention
Below in conjunction with accompanying drawing and specific embodiments, the invention will be further described.
Embodiment 1: as shown in Figure 1, the sweep-saw that a kind of electromagnet drives, comprise support 1, frame 2, saw blade 3 and workbench 4, workbench 4 is connected with support 1, and frame 2 is U-shaped structure, and frame 2 is placed on support 1 movably; Middle part inside frame 2 is fixed with guide rail 21 along the vertical direction, guide rail 21 is furnished with arc saw frame 5; Upper port position inside frame 2 is connected with electromagnet 6; lower port position inside frame 2 is connected with lower electromagnet 7; upper electromagnet 6 and lower electromagnet 7 are respectively made up of yoke 61, solenoid 62 and armature core 63; the exterior bottom of yoke 61 is fixedly connected with frame 2; one end of armature core 63 is fixedly connected with outside saw frame 5; cylindrically coiled spring 64 is overlapped with a gap between armature core 63 and solenoid 62; one end of cylindrically coiled spring 64 withstands on the inside bottom of yoke 61, and the other end of cylindrically coiled spring 64 withstands on saw frame 5 lateral surface; The port position of yoke 61 is fixed with fairlead, and endoporus and the armature core of fairlead are slidably matched, and fairlead is made up of high-abrasive material; The position corresponding with armature core 63 end of upper electromagnet 6, top inside saw frame 5 is connected with upper hook 81 by elastic device, and the position corresponding with the rank core ends of lower electromagnet 7, the bottom inside saw frame 5 is connected with lower draw-bar 82; The two ends of saw blade 3 are hooked on hook 81 and lower draw-bar 82 removably respectively, and upper hook and lower draw-bar are provided with length adjustment mechanism; Described elastic device is made up of a latch plate 9, one end of latch plate 9 is fixedly connected with the upper inner of saw frame 5, the other end of latch plate 9 is linked up with corresponding position have circular hole with upper, and there is shoulder block at the middle part of upper hook 81, and upper hook 81 is through this circular hole and shoulder block leans against the upper surface of described circular hole; The middle part of latch plate is provided with adjustment screw 83, and the screw thread of adjustment screw 83 coordinates with the screw be located at inside saw frame 3; By powering on, magnet solenoid and the solenoidal electric current of lower electromagnet are controlled by the electric device 10 being provided with electric current changement, and electric device 10 is connected to the side of support; The solenoid turn-on action simultaneously of upper electromagnet and lower electromagnet, the direction of its active force is identical and change along with the change of the saw frame direction of motion.
The middle part of lower draw-bar 82 is provided with saw blade rate of tension governor motion 821, and it is by differential thread Structure composing, can the tensioning degree of meticulous adjustment saw blade 3, makes it to be in optimum Working.
By workpiece plank 11 clamping on workbench 4, after opening gauge tap, power on magnet solenoid and the solenoidal current lead-through of lower electromagnet, upper and lower electromagnet armature core is attracted, identical and the periodic transformation direction of both force direction, common traction and pull saw frame, saw frame 5 moves up and down along guide rail 21, saw blade 3 is driven by linking up with up and down, because plank 11 is fixed on workbench 4, operator can pass frame 2 and make it to move on support 1, frame 2 drives saw frame 5, just can carry out sawing feed to saw blade 3, by reaching saw blade 3 relative to plank 11 by predetermined curve movement to the cooperation in length and breadth of frame 2 is mobile, so just can cut out the curve shape meeted the requirements.
Described electric current changement comprises the upper stroke switch 12 being fixed on frame inside upper part and the lower stroke switch 13 being fixed on frame lower inside, on the upside of saw frame, be connected with the upper holder block 14 corresponding with upper stroke switch of adjustable position, on the downside of saw frame, be connected with the lower lock block 15 corresponding with lower stroke switch of adjustable position.
The stroke of upper and lower electromagnet is greater than 50MM.The material of saw blade 3 is high-carbon low-alloy steel wire, and the stage casing periphery of steel wire respectively has many spiny sawtooth, and the setting of sawtooth follows interval, respectively to interting uniform requirement, and in order to when cutting workpiece be close to workbench, so sawtooth be oriented oblique below.
Frame bottom surface is rectangle structure, and the corner of frame bottom surface is respectively connected with roller devices 16, and the position of center to four drift angle one half-distance of frame bottom surface is respectively connected with 1 roller devices 16, and the rolling member of roller devices is made up of steel ball.Saw frame side is provided with handle, be convenient to operating personnel pass saw frame make saw blade along setting curve advance.
The junction of workbench and support is provided with height adjustment mechanism 17, and it regulates the threaded adjusting mechanism of screwed pipe and locking screwed pipe to form by comprising, and unclamps locking screwed pipe and namely regulates screwed pipe to raise by rotating or reduce workbench, then with the locking of locking screwed pipe; Height of table changes can correspond to the different working position of saw blade, can extend the saw blade finishing time, improves saw blade utilization rate and increase work efficiency.
Embodiment 2: the solenoid turn-on action in turn of upper electromagnet 6 and lower electromagnet, its force direction is contrary, and all the other structures are with embodiment 1.
Embodiment 3: frame is fixedly connected with support, workbench and saw blade corresponding position have can through the through hole 41 of saw blade, all the other structures with embodiment 1, as shown in Figure 2.
The present invention is the sweep-saw of electromagnet traction; there is having stable behavior, avoid clamping stagnation, efficiency is high, tractive force is balanced; sawtooth is had to the effect of protection; saw blade useful life can be extended; the advantage that the simple cost of structure is low; if those skilled in the art does simple amendment to foregoing invention content or replaces, such change can not be thought to depart from the scope of the present invention, all like this to the apparent amendment of those skilled in the art by be included in claim of the present invention scope within.
Claims (10)
1. a sweep-saw for electromagnet drive, comprise support, frame, saw blade and workbench, it is characterized in that, workbench is connected with support, and frame is U-shaped structure, and frame is arranged on support; Middle part inside frame is fixed with guide rail along the vertical direction, guide rail is furnished with arc saw frame; Upper port position inside frame is connected with electromagnet, lower port position inside frame is connected with lower electromagnet, upper electromagnet and lower electromagnet are respectively made up of yoke, solenoid and armature core, the exterior bottom of yoke is fixedly connected with frame, one end of armature core is fixedly connected with outside saw frame, overlap cylindrically coiled spring with a gap between armature core and solenoid, one end of cylindrically coiled spring withstands on the inside bottom of yoke, and the other end of cylindrically coiled spring withstands on saw frame lateral surface; The position corresponding with upper electromagnet armature core end, top inside saw frame is connected with upper hook by elastic device, and the position corresponding with the rank core ends of lower electromagnet, the bottom inside saw frame is connected with lower draw-bar; The two ends of saw blade are hooked on hook and lower draw-bar removably respectively; Described elastic device is made up of a latch plate, one end of latch plate is fixedly connected with the upper inner of saw frame, the other end of latch plate is linked up with corresponding position have circular hole with upper, and there is shoulder block at the middle part of upper hook, and upper hook is through this circular hole and shoulder block leans against the upper surface of described circular hole; The middle part of latch plate is provided with adjustment screw, and the screw thread of adjustment screw coordinates with the screw be located at inside saw frame; By powering on, magnet solenoid and the solenoidal electric current of lower electromagnet are controlled by the electric device being provided with electric current changement.
2. the sweep-saw of electromagnet drive according to claim 1, it is characterized in that, the solenoid turn-on action in turn of upper electromagnet and lower electromagnet, its force direction is contrary.
3. the sweep-saw of electromagnet drive according to claim 1, is characterized in that, the solenoid turn-on action simultaneously of upper electromagnet and lower electromagnet, the direction of its active force is identical and change along with the change of the saw frame direction of motion.
4. the sweep-saw that the electromagnet according to claim 1 or 2 or 3 drives, it is characterized in that, frame is semicircular arc or openings shaped as frame, and upper hook and lower draw-bar are provided with length adjustment mechanism.
5. the sweep-saw of electromagnet drive according to claim 4, it is characterized in that, described electric current changement comprises the upper stroke switch being fixed on frame inside upper part and the lower stroke switch being fixed on frame lower inside, on the upside of saw frame, be connected with the upper holder block corresponding with upper stroke switch of adjustable position, on the downside of saw frame, be connected with the lower lock block corresponding with lower stroke switch of adjustable position.
6. the sweep-saw of electromagnet drive according to claim 5, it is characterized in that, the stroke of upper and lower electromagnet is greater than 50MM.
7. the sweep-saw of electromagnet drive according to claim 5, it is characterized in that, the bottom surface of frame is at least connected with roller devices at four corners position, and the rolling member of roller devices is made up of steel ball; Workbench is the quadra structure of hollow.
8. the sweep-saw of electromagnet drive according to claim 5, it is characterized in that, the material of saw blade is high-carbon low-alloy steel.
9. the sweep-saw of electromagnet drive according to claim 8, it is characterized in that, saw frame side is provided with handle.
10. the sweep-saw of electromagnet drive according to claim 8, it is characterized in that, frame is fixedly connected with support, and workbench and saw blade corresponding position have can through the through hole of saw blade.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410002367.7A CN104118014B (en) | 2014-01-03 | 2014-01-03 | The sweep-saw that electromagnet drives |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410002367.7A CN104118014B (en) | 2014-01-03 | 2014-01-03 | The sweep-saw that electromagnet drives |
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| CN104118014A CN104118014A (en) | 2014-10-29 |
| CN104118014B true CN104118014B (en) | 2016-01-06 |
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| CN201410002367.7A Expired - Fee Related CN104118014B (en) | 2014-01-03 | 2014-01-03 | The sweep-saw that electromagnet drives |
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| CN104792569A (en) * | 2015-04-23 | 2015-07-22 | 中国石油天然气股份有限公司勘探开发研究院廊坊分院 | Gas storage rock salt sample preparation device |
| CN105346104B (en) * | 2015-11-20 | 2017-12-12 | 西安鑫垚陶瓷复合材料有限公司 | A kind of chopped latex bonded fibre preparation facilities |
| CN109732708A (en) * | 2018-12-25 | 2019-05-10 | 尧章铭 | A kind of finishing furred ceiling board cutting device |
| CN109773268B (en) * | 2019-03-07 | 2024-04-16 | 佛山市木之心教育科技有限公司 | Saw |
| CN112792914A (en) * | 2021-02-03 | 2021-05-14 | 浙江省林业科学研究院 | Control mechanism of curve sawing machine |
| CN114800703B (en) * | 2022-05-25 | 2023-05-23 | 深圳市爱创科技教育有限公司 | High-precision transverse pattern drawing saw |
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| GB612528A (en) * | 1946-03-19 | 1948-11-15 | Harold Ernest Flory | Improvements in or relating to saws |
| CN2045676U (en) * | 1988-12-13 | 1989-10-11 | 陈春田 | Hand electromagnetic saw |
| EP0317584B1 (en) * | 1987-05-22 | 1991-03-20 | Mefina S.A. | Machine-tool |
| CN2249139Y (en) * | 1996-01-17 | 1997-03-12 | 汪文汉 | Electromagnetic vibration shearing machine |
| CN2278555Y (en) * | 1996-11-25 | 1998-04-15 | 荆沙市自动化应用技术研究所 | Electromagnetic rotary cutting-off device |
| US6474211B1 (en) * | 2000-10-13 | 2002-11-05 | P & F Brother Industrial Corporation | Saw-blade driving device for a scroll saw |
| CN1608775A (en) * | 2004-11-19 | 2005-04-27 | 青岛地恩地机电科技股份有限公司 | Steel wire drive scroll saw |
| CN2866053Y (en) * | 2005-11-07 | 2007-02-07 | 青岛地恩地机电科技股份有限公司 | Flexible driving turning saw |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS56144102A (en) * | 1980-04-10 | 1981-11-10 | Asahi Koki | Fret sawing machine with electromagnetic driving device |
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2014
- 2014-01-03 CN CN201410002367.7A patent/CN104118014B/en not_active Expired - Fee Related
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB612528A (en) * | 1946-03-19 | 1948-11-15 | Harold Ernest Flory | Improvements in or relating to saws |
| EP0317584B1 (en) * | 1987-05-22 | 1991-03-20 | Mefina S.A. | Machine-tool |
| CN2045676U (en) * | 1988-12-13 | 1989-10-11 | 陈春田 | Hand electromagnetic saw |
| CN2249139Y (en) * | 1996-01-17 | 1997-03-12 | 汪文汉 | Electromagnetic vibration shearing machine |
| CN2278555Y (en) * | 1996-11-25 | 1998-04-15 | 荆沙市自动化应用技术研究所 | Electromagnetic rotary cutting-off device |
| US6474211B1 (en) * | 2000-10-13 | 2002-11-05 | P & F Brother Industrial Corporation | Saw-blade driving device for a scroll saw |
| CN1608775A (en) * | 2004-11-19 | 2005-04-27 | 青岛地恩地机电科技股份有限公司 | Steel wire drive scroll saw |
| CN2866053Y (en) * | 2005-11-07 | 2007-02-07 | 青岛地恩地机电科技股份有限公司 | Flexible driving turning saw |
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Effective date of registration: 20181213 Address after: 408300 Chunhua Jiushe, Guiyang Street, Dinjiang County, Chongqing (at the entrance of Yingbin Road) Patentee after: Yi Yanxiang building materials Co., Ltd of Chongqing City Address before: 315400 21 Lanxi new village, Yuyao, Ningbo, Zhejiang Patentee before: Zhang Jiancheng |
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