CN1390165A - Grinding machine of arc welding electrode for welding - Google Patents

Grinding machine of arc welding electrode for welding Download PDF

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Publication number
CN1390165A
CN1390165A CN00815779A CN00815779A CN1390165A CN 1390165 A CN1390165 A CN 1390165A CN 00815779 A CN00815779 A CN 00815779A CN 00815779 A CN00815779 A CN 00815779A CN 1390165 A CN1390165 A CN 1390165A
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CN
China
Prior art keywords
welding
welding rod
grinding
emery wheel
retainer
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN00815779A
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Chinese (zh)
Other versions
CN1188250C (en
Inventor
池田信一
森本明弘
米华克典
本井傅晃央
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Japan Science and Technology Agency
Fujikin Inc
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Fujikin Inc
Japan Science and Technology Corp
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Publication of CN1390165A publication Critical patent/CN1390165A/en
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Publication of CN1188250C publication Critical patent/CN1188250C/en
Anticipated expiration legal-status Critical
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B47/00—Drives or gearings; Equipment therefor
    • B24B47/02—Drives or gearings; Equipment therefor for performing a reciprocating movement of carriages or work- tables
    • B24B47/04—Drives or gearings; Equipment therefor for performing a reciprocating movement of carriages or work- tables by mechanical gearing only
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B19/00—Single-purpose machines or devices for particular grinding operations not covered by any other main group
    • B24B19/16—Single-purpose machines or devices for particular grinding operations not covered by any other main group for grinding sharp-pointed workpieces, e.g. needles, pens, fish hooks, tweezers or record player styli
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B55/00—Safety devices for grinding or polishing machines; Accessories fitted to grinding or polishing machines for keeping tools or parts of the machine in good working condition
    • B24B55/06—Dust extraction equipment on grinding or polishing machines
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24D—TOOLS FOR GRINDING, BUFFING OR SHARPENING
    • B24D7/00—Bonded abrasive wheels, or wheels with inserted abrasive blocks, designed for acting otherwise than only by their periphery, e.g. by the front face; Bushings or mountings therefor
    • B24D7/14—Zonally-graded wheels; Composite wheels comprising different abrasives

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Grinding And Polishing Of Tertiary Curved Surfaces And Surfaces With Complex Shapes (AREA)
  • Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)

Abstract

A welding electrode polishing machine capable of shaping the tip part of an electrode in a final shape efficiently and accurately and capable of polishing the head part of the electrode in mirror surface with one polishing panel and one electrode polishing machine, comprising a main body, a polishing motor, a polishing panel, a swing plate, a holder guide, an electrode holder, an electrode rotating motor, and a swing plate moving device, wherein an axis &phgr; of the electrode is disposed along a line vertical to an axis &phgr; of a motor drive shaft, a polishing part of the polishing panel is formed in a shape corresponding to the final shape of the electrode, the polishing panel is rotated by the polishing motor, and at the same time, the electrode is rotated by the electrode rotating motor.

Description

Grinding machine of arc welding electrode for welding
Technical field
The present invention relates to the front end grinding of the arc welding electrode for welding of materials such as the tungsten of use in TIG welding and the PLASMA ARC WELDING etc., molybdenum, chromium-copper is become the improvement of the milling drum of reservation shape.
Prior art
The shape of the front end of the welding rod in welding such as TIG and the current density of weld part and CURRENT DISTRIBUTION, cooling effect etc. have confidential relation, and the quality of welding efficiency of operation and welded articles is had very big influence.Therefore, will be according to the factors such as material, thickness and welding condition of soldered material, the front end of welding rod is processed into suitable shape, for example, front end is processed into sharp cone shape, perhaps front end is processed into the two machined surface shapes (so-called frusto-conical) that constitute by taper seat and plane.And, the outer surface of front end that is processed into the welding rod of reservation shape is ground to highly smooth surface.For example, for shown in Figure 12, front end is processed into the dome shape head A about radius R=0.08～0.1mm 0, the welding of the TIG about diameter D=0.5～2.0mm φ is with tungsten welding rod A, preferably with dome shape head A 0Outer surface be ground to than conus portion A 1The surface of smooth outer surface, be ground to so-called minute surface.This be because, with the head A of dome shape 0Outer surface be processed into minute surface, not only can more be easy to generate electric arc, and can increase substantially the directive property and the stability of electric arc.
And to the grinding of above-mentioned welding rod A front end, normally the welding rod milling drum with special use carries out.Specifically, adopt real opening flat 4-60386 number or special welding rod milling drum disclosed, structure shown in Figure 13,1. at first that granularity is thicker emery wheel B such as open flat 7-276211 number more 1(for example emery wheel about No. 170) is installed in motor drive shaft M 1On, the front end of welding rod A is shaped as reservation shape, afterwards, with emery wheel B 1Change the thinner emery wheel B of granularity into 2(for example emery wheel about No. 500) is with this emery wheel B 2The method (being called method 1) that welding rod leading section after the shaping is carried out grinding again, and, 2. prepare to be equipped with the thicker emery wheel B of granularity 1The welding rod milling drum and the thinner emery wheel B of granularity is installed 22 of welding rod milling drums, leading section is shaped to after the reservation shape method (being called method 2) of the welding rod leading section being carried out grinding with the latter's welding rod milling drum with the former welding rod milling drum.
Among Figure 13, C is an outer cover body, and M is the grinding motor, and D is the emery wheel hold-down screw, and E is a dust cover, and F is the welding rod guider.
But, in the former method 1, owing to need carry out two kinds of emery wheel B 1, B 2Replacing, the problem that therefore existing the grinding operation can not be expeditiously, promptly carry out.
And in the method 2, owing to need 2 welding rod milling drums, thus less economical, and workload increase such as maintenance.
And, from the thicker emery wheel B of granularity 1Carrying out grinding transfers to the thinner emery wheel B of granularity 2When carrying out grinding, the position of center line of welding rod A is many can be offset, and is difficult to keep the alignment of so-called welding rod A.Therefore, exist such problem, that is, not only leading section being ground to minute surface will expend time in, and leading section shape itself can change.The task that invention will solve
The present invention is intended to solve the existing following problem of this arc welding electrode for welding front end of grinding in the past, promptly, 1. in the occasion that substitutes the thinner emery wheel of thicker emery wheel of use granularity and granularity, except the replacing emery wheel need expend time in, the alignment of welding rod was difficult to be maintained before and after emery wheel was changed, 2. using the occasion of 2 milling drums, not only less economical, and in the use of two milling drums, be difficult to keep the problems such as alignment of welding rod; Its objective is, even provide a kind of with a welding rod milling drum, carry out grinding for extremely short welding rod, also can expeditiously the leading section of welding rod be processed into reservation shape, and can only the head of welding rod be ground to the grinding machine of arc welding electrode for welding of minute surface by shirtsleeve operation.
Disclosure of an invention
For realizing above-mentioned task, the basic structure of the grinding machine of arc welding electrode for welding of claim 1 is, the body 1 that comprises box-shaped, be fixed on the grinding motor 2 in the body 1, be installed in the discoid emery wheel 3 on the motor drive shaft 2a of grinding motor 2 with grinding part 3A, be positioned at the top of emery wheel 3 and be provided on the body 3, the swing plate 4 that can move along the direction of the center line φ of motor drive shaft 2a, be longitudinal attitude and can obtain that swing plate 4 supports with freely revolving shape, the retainer guider 6 of the tubular that emery wheel 3 tops of part in body 1, below are outstanding, be inserted in the retainer guider 6 detachable, the welding rod retainer 7 that welding rod A is fixed with the contacted state detachable of the grinding part 3A ground of its front end and emery wheel 3, be fixed in the body 1, driving is fitted with the welding rod rotation motor 8 of retainer guider 6 rotation of welding rod retainer 7, the swing plate mobile device 9 that said swing plate 4 is only moved a certain distance along the center line φ of motor drive shaft 2a.
In addition, the invention of claim 2 is in the invention of claim 1, and the structure of the grinding part 3A of emery wheel 3 is to have the 1st grinding part 3a that is formed by coarse grit and the 2nd grinding part 3b that is formed by fine grit.
The invention of claim 3 is in the invention of claim 1, and the structure of the grinding part 3A of emery wheel 3 is, the leading section of welding rod A is shaped as front one side that conical the 1st grinding part is formed at disk, will be shaped as the front end head A of conical welding rod 0Be ground to minute surface, V-arrangement grind reliefs 3b, the 2nd grinding part 3b that is arranged on the outer peripheral face is formed on the outer peripheral face of disk.
The invention of claim 4 is in the invention of claim 1, and the structure of the grinding part 3A of emery wheel 3 is, the leading section of welding rod A is shaped as conical the 1st grinding part 3a and will be shaped as the front end head A of conical welding rod 0The 2nd grinding part 3b that is ground to minute surface is formed at front one side of disk respectively.
The invention of claim 5 is in the invention of aforesaid right requirement 4, the 1st grinding part 3a is formed on the position of the inboard radially of disk and the foreign side on the thickness direction, and the 2nd grinding part 3b is formed on the outside radially of disk and the interior side's on the thickness direction the position.
The invention of claim 6 is in the invention of aforesaid right requirement 5, constitutes the angle [alpha] on the trim inclined-plane of the 1st grinding part 3a and the 2nd grinding part 3b respectively 1, the heel inclined-plane angle [alpha] 2And the radius R of the circular arc connecting portion on two inclined planes, identical separately in the 1st grinding part 3a and the 2nd grinding part 3b.
The invention of claim 7 is in the invention of claim 1, and the grinding part 3A of emery wheel 3 is integrally formed by the abrasive particle of middle granularity.
The invention of claim 8 is in the invention of claim 7, and the structure of the grinding part 3A of emery wheel 3 is for having, and the leading section of welding rod A is shaped as conical trim inclined-plane 3a 1, with the heel inclined-plane 3a of abrasive dust discharge 2, and with the front end head A of welding rod A 0Be the curved surface 3a that hemispherical is ground to minute surface 3
The invention of claim 9 is in the invention of claim 1, and the grinding part 3A of emery wheel 3 becomes symmetry shape to form on the two sides of the mother metal of emery wheel 3.
The invention of claim 10 is in invention as claimed in claim 1, and the structure of swing plate 4 is, the one end earth's axis free to rotate is supported on the upper wall of body 1, and the other end can move freely on the direction of the center line φ of motor drive shaft 2a.
The invention of claim 11 is in the invention of claim 1, welding rod retainer 7 is by the chuck guider 7a of tubular, insert chuck guider 7a front seam chuck 7b arranged, the chuck screw 7c that inserts from the butt side of chuck guider 7a, leading section can be screwed in the tubular on the seam chuck 7b constitutes.
The invention of claim 12 is in the invention of claim 11, and the lining 16 with set thickness h is inserted on the chuck guider 7a of welding rod retainer 7 the front end head A of welding rod A 0Be positioned at the grind reliefs 3b ' of the 2nd grinding part 3b.
The invention of claim 13 is in the invention of claim 1, and the retainer guider 6 that is fitted with welding rod retainer 7 rotates under the driving of welding rod rotation motor 8 by round rubber belt 15.
The invention of claim 14 is in the invention of claim 1, and swing plate mobile device 9 use knob 9a by moving, and in rotation under the driving of this knob 9a and the worm screw 9b formation that is meshed with screw thread 4c on being arranged on swing plate 4.
The invention of claim 15 is in the invention of claim 14, welding rod retainer 7 the distance 1 that is moved under the driving of swing plate mobile device 9 by have be arranged on swing plate 4 on indicator backstop 4b mutually the dial gauge 10 of the measuring stick 10a of interlock show.
The simple declaration of accompanying drawing
Fig. 1 is the vertical view of grinding machine of arc welding electrode for welding involved in the present invention.
Fig. 2 is the side view of grinding machine of arc welding electrode for welding.
Fig. 3 is the front view of grinding machine of arc welding electrode for welding.
Fig. 4 is the vertical profile side view that the major part of grinding machine of arc welding electrode for welding is showed.
Fig. 5 is the vertical profile front view that the major part of grinding machine of arc welding electrode for welding is showed.
Fig. 6 is the cutaway view of emery wheel.
Fig. 7 is the cutaway view of welding rod cramping body.
Fig. 8 is the key diagram of electrode stock removal tuning device.
Fig. 9 is the cutaway view of the related emery wheel of the 2nd embodiment.
Figure 10 is the cutaway view of the related emery wheel of the 3rd embodiment.
Figure 11 is the cutaway view of the related emery wheel of the 4th embodiment.
Figure 12 illustrates the example of TIG welding with the leading section shape of tungsten welding rod.
Figure 13 illustrates an example of existing welding rod milling drum.
The explanation of symbol
A is a welding rod, and φ is the axle core of motor drive shaft, and φ a is the center line of welding rod, A 1Be the conus portion of welding rod, A 0Be the front end head of welding rod, 1a is an outer cover body, and 1b is a dust cover, and 1c is a fixture, 1d is a handgrip, and 1e is a sleeve, and 1f is a demarcation strip, 1g is the abrasive dust box, and 1h is a holding components, and 1I is a slotted hole, 1j is an accepting hole, and 2 are the grinding motor, and 2a is a driving shaft, 2b is the emery wheel retainer, and 3 is emery wheel, and 3A is the grinding part, 3a is the 1st grinding part, and 3b is the 2nd grinding part, 3a 1, 3a 2Be trim inclined-plane, 3a 2, 3b 2Be the heel inclined-plane, 3b ' is a grind reliefs, and 3c is a mother metal, 4 is swing plate, and 4a is a fulcrum, and 4b is the indicator stop, 4c is a screw thread, and 4d is the sleeve installing hole, and 5 is the sleeve of tubular, 6 is the retainer guider, and 6a is a flange, and 6b is a belt pulley, 7 is the welding rod retainer, and 7a is the chuck guider, and 7b is for there being the seam chuck, 7c is the chuck screw, and 8 is the welding rod rotation motor, and 8a is a driving shaft, 9 is the swing arm mobile device, and to use knob, 9b be worm screw to 9a in order to move, 9c is the worm screw case, and 10 is dial ga(u)ge, and 10a is a measuring stick, 11 is electrical control gear, and 12 is the stock removal tuning device, and 12a is the brake body, 12b is a nut, and 12c uses bolt for installing, and 13 is the emery wheel hold-down screw, 14 are grinding motor switch, and 15 is the round rubber belt, and 16 is lining, 17 is drive pulley, and 18 are the conversion limit switch.
The working of an invention form
Below, in conjunction with the accompanying drawings form of implementation of the present invention is described.
Fig. 1 is the vertical view of grinding machine of arc welding electrode for welding involved in the present invention, and Fig. 2 is a side view, and Fig. 3 is a front view, and Fig. 4 is a vertical profile side-looking synoptic diagram, and Fig. 5 is that the vertical profile master looks synoptic diagram.
Grinding machine of arc welding electrode for welding of the present invention comprises, the body 1 of box-shaped, be contained in the grinding motor 2 of body 1 inside, the emery wheel 3 that under the driving of grinding motor 2, can rotate at a high speed, be provided in the swing plate 4 of the front upper of body 1, the sleeve 5 that is the tubular of vertically fixing in the central authorities of swing plate 4, can be inserted in the retainer guider 6 of the tubular in the sleeve 5 with freely revolving shape, be inserted in the welding rod retainer 7 in the retainer guider 6 with being the longitudinal attitude detachable, can drive the welding rod rotation motor 8 of welding rod retainer 7 rotations via retainer guider 6, the swing plate mobile device 9 that one end of the retainer guider 6 that said welding rod retainer 7 is supported is moved, indication is inserted into the dial ga(u)ge 10 of the amount of movement of the welding rod retainer 7 in the retainer guider 6, the electrical control gear 11 of control grinding motor 2 and welding rod rotation motor 8 etc., annex as body 1, has trimmer (omitting among the figure) that the grinding face of the stock removal tuning device 12 of the welding rod stock removal of adjusting and emery wheel 3 is cleaned etc.
Said body 1 is box-shaped and forms, and the outer cover body 1a, the dust cover 1b that the transparent plastic of front openings covering is made that are made by the steel plate or the plastics of front openings form; Have fixer 1c, handgrip 1d that fixing above-mentioned dust cover 1b uses, sleeve 1e etc.
In addition, the inside of outer cover body 1a is separated plate 1f separates, forwardly Qu Yu below be fitted with can pull abrasive dust box 1g.
And, in the Background Region of outer cover body 1a, be provided with the fixing holding components 1h that uses of each motor 2,8 etc.
Central part at the upper wall of the front area of said outer cover body 1a is provided with the slotted hole 1i that inserts for sleeve 5 described later and retainer guider 6 etc., and on the sidewall of a side of Background Region, is provided with the accommodation hole 1j that holds stock removal tuning device 12.
Said grinding motor 2 is the level of state and is installed on the holding components 1h, and motor drive shaft 2a passes the top of abrasive dust box 1g that demarcation strip 1f is projected into front one side of outer cover body 1a.
In addition, be fixed with emery wheel retainer 2b on the said motor drive shaft 2a, and, by hold-down screw 13 with emery wheel 3 detachables be fixed on this emery wheel retainer 2b.
In this form of implementation, as grinding motor 2, use be the single phase ac motor of AC100V, 50/60Hz, 100W, connect the grinding motor with behind the switch 14, can make it according to preestablishing the operation certain hour by electrical control gear 11, afterwards, make it out of service automatically by time switch.(the 1st embodiment of emery wheel)
Said emery wheel 3 forms the about 60mm of diameter as shown in Figure 6, and the disc of the about 8.2mm of thickness is entrenched in the shoulder position of emery wheel retainer 2b front end, fixes with emery wheel hold-down screw 13.
The 2nd grinding part 3b that the 1st grinding part 3a that this emery wheel 3 is made by thicker diamond particle and thinner diamond particle are made forms; Said the 1st grinding part 3a is by with respect to the straight line tilt alpha perpendicular to the center line φ of motor drive shaft 2a 1The trim inclined-plane 3a of the angle of=about 10 degree 1, and with respect to center line φ tilt alpha 2The heel inclined-plane 3a of=about 20 degree angles 2Form, the curved surface that the intersection point P of the two is radius R=about 0.08mm forms.
In addition, the 2nd grinding part 3b of emery wheel 3 is formed at the peripheral end of said the 1st grinding part 3a, has the trim inclined-plane 3a with said the 1st grinding part 3a 1Consecutive trim inclined-plane 3b 1And, on the outer peripheral face of the 2nd grinding part 3b, being provided with the V-arrangement grind reliefs 3b ' of the about 1.2mm of the degree of depth, grind reliefs 3b ' is with respect to the straight line tilt alpha perpendicular to center line φ 3The angle of=about 10 degree is opened.
In this form of implementation, said the 1st grinding part 3a is formed by so-called about No. 170 thicker diamond particle, and the 2nd grinding part 3b is with about No. 500 thinner diamond particle formation.
In addition, the distance 1 between the center of said intersection point P and grind reliefs 3b ' is set at about 2.5mm, and the distance h between the bottom surface of intersection point P and grind reliefs 3b ' is set at about 3.8mm (external diameter of welding rod A is the occasion of 2.0mm).
To shown in Figure 5, said swing plate 4 is arranged on the upper wall in outer cover body 1a the place ahead, can obtain the support of fulcrum 4a with an end with moving freely to the direction of arrow of Fig. 1 as Fig. 1.
In addition, erect on the other end of swing plate 4 and be provided with indicator backstop 4b, the front end of the measuring stick 10a of dial gauge 10 contacts with it.
And on the end face of the other end of swing plate 4, be formed with screw thread 4c, the worm screw 9b engagement of this screw thread 4c and swing plate mobile device 9 described later.
Offer sleeve installing hole 4d in the centre of this swing plate 4, in the 4d of this hole, insert be used for can rotate freely the sleeve 5 of short tubular that welding rod retainer 7 is supported.The upper end of the sleeve 5 of this tubular is fixed on the swing plate 4.
To the interior side of the sleeve 5 of said short tubular, insert the retainer guider 6 of short tubular from the top free to rotately.That is, the state that fastens to the upper surface of sleeve 5 with the flange 6a of its upper end of this retainer guider 6, to be longitudinal attitude supported free to rotately.
This retainer guider 6 fixing welding rod retainer 7 with being used for detachable, as shown in Figure 4, is tubular.And as previously mentioned, this retainer guider 6 can obtain the support of swing plate 4 with rotating freely with longitudinal attitude via sleeve 5, be inserted and secured in this retainer guider 6 welding rod retainer 7 detachables.
In addition, be formed with driven pulley 6b, at this driven pulley 6b and be installed between the drive pulley 17 on the driving shaft 8a of welding rod rotation motor 8 around hanging with balata belt 15 in the lower portion of this retainer guider 6.
Said welding rod retainer 7 is used for that detachable ground keeps and fixing welding rod A, welding rod A is kept with the 1st grinding part 3a state of contact of front end and emery wheel 3 and fixes.
As shown in Figure 7, this welding rod retainer 7 by detachable be inserted in the chuck guider 7a of the tubular in the retainer guider 6, be inserted into chuck guider 7a front seam chuck 7b arranged, and from the butt side insertion of chuck guider 7a and by the chuck screw 7c formation of screw thread with the tubular that has seam chuck 7b to screw, when chuck screw 7c being fastened on the seam chuck 7b by welding rod A, there is seam chuck 7b that the footpath takes place and contracts, make welding rod A can be held and be fixed on the seam chuck 7b.
In addition, as this seam chuck 7b being arranged, have multiple that the internal diameter of welding rod patchhole has nothing in common with each other, in the present embodiment, by replacing seam chuck 7b is arranged, can be that the welding rod A of 1.0～2.6mm processes to external diameter.
In addition, on said chuck guider 7a, shown in 7, be fitted with lining 16 detachable; As described later, after the front end to welding rod A carries out shaping with the 2nd grinding part 3b with front end head A 0Use said lining 16 when being ground to minute surface.
Said welding rod rotation motor 8 is arranged on the position, rear in the outer cover body 1a, goes up fixing to holding components 1h.
In addition, on the driving shaft 8a of this welding rod rotation motor 8, be fixed with drive pulley 17, between the driven pulley 6b of this drive pulley 17 and said retainer guider 6 around hanging with round rubber belt 15.
That is, by making motor 8 rotation, retainer guider 6 is activated via round rubber belt 15 and rotates, and its result is fixed on the welding rod retainer 7 on the retainer guider 6 detachable and the welding rod A that is fixed on the welding rod retainer 7 rotates.
Said swing plate mobile device 9 is formed by the screw thread 4c of the leading section that moves the swing plate 4 that meshes with knob 9a, the worm screw 9b that rotates by screw thread 9a, with worm screw 9b and worm screw case 9c etc.; Use knob 9a by rotating to move, via worm screw 9b, making swing plate 4 is that fulcrum moves to the direction of arrow with fulcrum 4a.
And when said swing plate 4 when the direction of arrow moves, be fixed on the swing plate 4 welding rod retainer 7 also one move, the front position of welding rod A will move on the direction of the center line φ of motor drive shaft 2a.
Along with the amount of movement of the said mobile swing plate 4 that takes place with the rotation of knob 9a can be read from dial gauge 10.That is, along with swing plate 4 on the contacted dial gauge measuring stick of indicator backstop 4b 10a move to the direction of arrow, the amount of movement of swing plate 4 will be presented on the dial gauge 10.
The structure of dial gauge 10 self is known, so omit its explanation here.
Said electrical control gear 11 is used for controlling the startup of grinding motor 2 and welding rod rotation motor 8 and stops etc., by connecting the grinding motor with switch 14, can make two motors 2,8 according in advance setting with the set speed rotation regular hour.
In addition, the front end of welding rod A is ground to the occasion of minute surface at the 2nd grinding part 3b that uses emery wheel 3, along with the action of conversion limit switch 18, the rotating speed of two motors 2,8 will be converted at a high speed, make two motors 2,8 rotate certain hour according to setting in advance with set speed.
Said electrode stock removal tuning device 12 is used for the overhang that remains on the welding rod A in the welding rod retainer 7 adjust, the adjust stock removal of welding rod A is installed on the sidewall of outer cover body 1a detachable.
As shown in Figure 8, this stock removal tuning device 12 by the tuning device body 12a of tubular, be fixed on the nut 12b on the tuning device body 12a leading section and the installation that is screwed among the nut 12b constitutes with bolt 12c, by inserting welding rod retainer 7 in the tuning device body 12a and the front end of welding rod A being contacted with bolt 12c, welding rod A outstanding amount from welding rod retainer 7 is adjusted.
In addition, when adjusting stock removal, at first, welding rod A is kept with the state of the only outstanding predetermined length of leading section and be fixed on the welding rod retainer 7 with stock removal tuning device 12.Secondly, welding rod retainer 7 is inserted in the retainer guiders 6, try grinding, confirm that can the front end of welding rod A be ground to complete cone shape with the 1st grinding part 3a of emery wheel 3.Afterwards, if welding rod A is by complete grinding, with keeping and being fixed with in the welding rod cramping body 7 insertion tuning device body 12a of welding rod A, move to install and adjust so that the front end of welding rod A and installation are set value (for example 0.5mm) with the gap between the front end of bolt 12c with bolt 12c.From next time, the stock removal of welding rod A will be limited by the length in said gap.
Below, the occasion of using welding rod milling drum grinding welding rod A of the present invention is described.
At first, the emery wheel 3 that the front end shape of the diameter of selection and welding rod A and need grinding adapts is fixed on the motor drive shaft 2a.
Secondly, welding rod A is inserted having in the seam chuck 7b of welding rod retainer 7, (45～50mm) afterwards, and 7c is fastening gently with the chuck screw, and welding rod A is kept with the state that can be free to slide from the only outstanding both measured lengths of the front end that seam chuck 7b is arranged to make welding rod A.
And, to the welding rod retainer 7 that welding rod A keeps be inserted in the outer cover body 12a of stock removal tuning device 12, the front end that makes welding rod A stitches in the chuck 7b with installing to have pushed after contacting with bolt 12c, in the time of in welding rod retainer 7 is entrenched in outer cover body 12a fully, 7c tightens fully with the chuck screw, and A fixes with welding rod.Like this, the overhang of welding rod A and stock removal promptly are set.Obviously, the installation of stock removal tuning device 12 with the position of bolt 12c as previously mentioned, the examination grinding by in advance welding rod A being carried out has been adjusted on the preposition.
Next, welding rod retainer 7 is inserted in the retainer guiders 6, the leading section that makes welding rod A is with after the 1st grinding part 3a of emery wheel 3 contacts, connection switch 14.
So its leading section contacts with the 1st grinding part 3a of emery wheel 3 in welding rod A rotation, by the order grinding.At this moment, when the grinding of welding rod A was carried out, along with the carrying out of this grinding, welding rod retainer 7 descended by deadweight in retainer guider 6, its result, and the leading section of welding rod A is by automatic grinding coning.And welding rod retainer 7 descend a certain amount of after, the portion that grips of chuck guider 7a contacts with the upper surface of retainer guider 6, its decline is restricted.
After carrying out the shaping grinding of certain hour, along with the action of timer, motor 2,8 stops automatically, and the shaping grinding finishes.The shaping grinding is extracted welding rod retainer 7, and lining 16 is inserted on the welding rod retainer 7 after finishing from retainer guider 6.
Then, the mobile knob 9a that uses of rotation swing plate mobile device 9, dial gauge 10 is observed on the limit, and the limit makes the position of the center line of retainer guider 6 move both set a distances 1 to the interior side of body 1.Like this, in the occasion that welding rod retainer 7 is inserted in the retainer guider 6, the front end that is held welding rod A within it will be positioned at emery wheel 3 the 2nd grinding part 3b directly over locate.
Finish after the moving of swing plate 4, lining 16 is inserted on the chuck guider 7a of welding rod retainer 7, the welding rod retainer 7 that is fitted with this lining 16 is inserted in the retainer guider 6.
The thickness of said lining 16 is foregoing size h.Its result, the front end that is maintained at the welding rod A of the shaping in the welding rod retainer 7 will be positioned on the V-arrangement grind reliefs 3b ' of the 2nd grinding part 3b.
Under this state, when connecting motor with switch 14 once more, emery wheel 3 and retainer guider 6 will rotate certain hour at a high speed with set speed, and welding rod retainer 7 is descending about about 1.2mm under the deadweight effect.Its result, near the of dome shape part of the front end of welding rod A is ground to minute surface by fine-grained the 2nd grinding part 3b.
When said swing plate 4 moved, the action of conversion limit switch 18 automatically switched to high-speed cruising with two motors 2,8, thus, can the dome shape of the front end of welding rod A partly be finish-machined to minute surface with higher efficient.(the 2nd embodiment of emery wheel)
Fig. 9 illustrates the 2nd embodiment of emery wheel 3.The emery wheel 3 of emery wheel 3 that the 2nd embodiment is related and the 1st embodiment shown in Figure 6 is same, form the disc of the about 60mm of diameter, the about 8.2mm of thickness, be entrenched on the shoulder position of leading section of emery wheel retainer 2b, the screw 13 that is fixed is fastened on the emery wheel retainer 2b.
As shown in Figure 9, the 1st grinding part 3a that this emery wheel 3 is made of about No. 170 thicker diamond particle, and the 2nd grinding part 3b formation of the thinner diamond particle formation about No. 500, the two is step-like formation separately in the front of disk one side the 1st grinding part 3a and the 2nd grinding part 3b.
That is, said the 1st grinding part 3a is arranged on the position of the inboard radially of front one side of disk and the foreign side on the thickness direction, by with respect to the straight line tilt alpha perpendicular to the center line φ of motor drive shaft 2a 1The trim inclined-plane 3a of=about 10 degree angles 1, and with respect to center line φ tilt alpha 2The heel inclined-plane 3a of=about 20 degree angles 2Form, the curved surface that the circular arc connecting portion P on two inclined planes is radius R=about 0.08mm forms.
In addition, said the 2nd grinding part 3b is provided with on the outside and the interior position on the thickness direction of the 1st grinding part 3a diametrically, by angle [alpha] 1The trim inclined-plane 3a of=about 10 degree 1, and angle [alpha] 2The heel inclined-plane 3a of=about 20 degree 2Form, the curved surface that the circular arc connecting portion Q of the two is radius R=about 0.08mm forms.
Between the circular arc connecting portion Q with the circular arc connecting portion P of the 1st grinding part 3a and the 2nd grinding part 3b, the distance 1 of (the driving shaft direction of grinding motor) is set at about 2.5mm on the disc thickness direction, and the distance h that makes progress at disk diameter is set at about 3.8mm (external diameter of welding rod A is the occasion of 2.0mm).
In addition, in the 2nd embodiment, the above-mentioned angle [alpha] of the 1st grinding part 3a and the 2nd grinding part 3b 1, α 2And radius R is identical respectively, certainly, and the angle [alpha] of two grinding part 3a, 3b 1, α 2And radius R also can be different separately.
In addition, said identical with the 1st embodiment in the 2nd embodiment apart from l and distance h, can certainly be with each of the 2nd embodiment apart from the suitable change of l, h.
The method for grinding of welding rod A of emery wheel 3 that uses the 2nd embodiment is identical during with the emery wheel 3 that uses aforementioned the 1st embodiment.Therefore, will describe omission in detail here.
In addition, do not have the such V-shaped groove of the 1st embodiment and make its front one side, therefore, can stop up hardly on the 2nd grinding part 3b to open than wide-angle as emery wheel 3, the 2 grinding part 3b of the 2nd embodiment.Its result can reduce the required time of emery wheel 3 maintenance managements significantly.(the 3rd embodiment of emery wheel)
Figure 10 illustrates the 3rd embodiment of emery wheel 3.As shown in figure 10, this emery wheel 3 is the discoid formation of the about 60mm of diameter, the about 8.2mm of thickness, and, be integrally formed by the diamond particle (removing material) of the granularity (for example about No. 350) between about the centre between coarseness (for example about No. 170) and the fine granularity (for example about No. 500), be entrenched in the shoulder portion of front side of emery wheel retainer 2b, fix with emery wheel hold-down screw 13.
Emery wheel 3 has the grinding part 3A that the leading section of welding rod A is carried out grinding, and this grinding part 3A is with the corresponding grinding shape of the net shape of the leading section of welding rod A shown in Figure 12 and forms.
That is, grinding part 3A is by with respect to the straight line tilt alpha perpendicular to the center line φ of motor drive shaft 2a 1=about 10 degree angles, the leading section of welding rod A is shaped as conical trim inclined-plane 3a 1, with respect to the center line φ tilt alpha of motor drive shaft 2a 2=about 20 degree angles, be used for heel inclined-plane 3a that abrasive dust etc. is discharged 2, and the intersection point of the two is the circular arc of radius R=about 0.8mm, with the front end head A of welding rod A 1Be the curved surface 3a that hemispherical is ground to minute surface 3Form (occasion of outer diameter D=2mm of welding rod A).
When carrying out grinding, same with aforementioned the 1st embodiment, welding rod retainer 7 is inserted in the retainer guiders 6, at the leading section of welding rod A with after the grinding part 3A of emery wheel 3 contact, connection grinding motor usefulness switch 14.
So around center line φ rotation, simultaneously, welding rod A rotates around its center line φ a under the driving of welding rod rotation motor 8 emery wheel 3 under the driving of grinding motor 2.
Like this, its leading section contacts with the grinding part 3A of emery wheel 3 in welding rod A rotation, and by the order grinding.At this moment, when the grinding of welding rod A was carried out, along with the carrying out of this grinding, welding rod retainer 7 descended by deadweight in retainer guider 6, its result, at the leading section of welding rod A by the trim inclined-plane 3a of emery wheel 3 1Automatic shaping is the conical while, and the front end head of welding rod A is by the curved surface 3a of emery wheel 3 3Be hemispherical and be finish-ground to minute surface.
This be since the center line φ a of welding rod A carry in the perpendicular straight line of the center line φ of motor drive shaft 2a, and, the grinding part 3A of emery wheel 3 is and the corresponding grinding shape formation of the final fine finishining shape of welding rod A, and, when emery wheel 3 rotates under the driving of grinding motor 2, the result that welding rod A rotates under the driving of welding rod rotation motor 8.
As welding rod retainer 7, after decline was a certain amount of, the portion that grips of chuck guider 7a contacted with the upper surface of retainer guider 6, and its decline is restricted.
After carrying out the shaping grinding of certain hour, time switch stops motor 2,8 automatically, finishes grinding, therefore, welding rod retainer 7 is extracted from retainer guider 6, and welding rod A is taken off from welding rod retainer 7.Like this, as shown in figure 12, just can obtain leading section and be processed to conical conus portion A 1And head A 0Be processed to hemispherical and outer surface and be the welding rod A of minute surface.
In different welding rod A of grinding external diameter or the occasion that the stock removal of welding rod A is adjusted, rotate the mobile knob 9a that uses of swing plate mobile device 9, dial gauge 10 is observed on the limit, the limit makes the position of the center line of retainer guider 6 only move both set a distances on the center line φ of motor drive shaft 2a direction, and the exposure level between welding rod A and the emery wheel 3 is adjusted.
The grinding part 3A of emery wheel 3 in above-mentioned example, is corresponding with the welding rod A of Figure 12 and have trim inclined-plane 3a 1With curved surface 3a 3, but not limited by this, for example at the leading section of welding rod A by two sections conical occasions of what is called that two different taper seats of angle form, also can have two sections trim inclined-planes with it accordingly.(the 4th embodiment of emery wheel)
Figure 11 illustrates the 4th embodiment of emery wheel 3.Being that the grinding part 3A that the 3rd embodiment shown in Figure 10 is related is assembled into symmetric shape in the both sides of mother metal 3c, is the emery wheel that the grinding part 3A of both sides can substitute use.
In addition, identical with the grinding that this emery wheel 3 carries out with the emery wheel 3 of the 3rd embodiment, its explanation is omitted.
The effect of invention
A. among the present invention, the center line of welding rod carries in perpendicular with the center line of motor drive shaft Straight line, and the grinding part of emery wheel is the grinding shape corresponding with the net shape of welding rod Shape forms, and when emery wheel rotated under the driving of grinding motor, welding rod was at electricity Rotate under the driving of welding rod rotation motor. Therefore, even with an emery wheel and a welding rod mill Cut machine, also can high efficiency and accurately the leading section of welding rod is shaped as net shape, And the head of welding rod is finish-ground to minute surface.
B. among the present invention, emery wheel 3 is thinner for having granularity thicker the 1st grinding part 3a and granularity The compound emery wheel 3 of the 2nd grinding part 3b, and, can make by swing plate mobile device 9 Can support that the swing plate 4 of welding rod retainer 7 moves, with said the 1st grinding with rotating freely The two front end to welding rod A of the 3a of section and the 2nd grinding part 3b carries out grinding.
Therefore, can carry out shaping to the front end of welding rod with thicker the 1st grinding part 3a of abrasive particle, with thinner the 2nd grinding part 3b of abrasive particle only with front end head A0Be ground to minute surface, can be with high Efficient the front end of welding rod is carried out grinding.
In addition, remain on state in the identical welding rod retainer 7 with welding rod A, use identical welding rod milling drum to carry out shaping grinding and the front end head A of welding rod front end0Mirror grinding, therefore, even when changing mirror grinding into from the shaping grinding, the position of center line of welding rod A can be disorderly, thereby can be expeditiously to front end head A0Carry out exactly the minute surface mill Cut.
C. among the present invention, can pass through swing plate mobile device 9, the limit is observed dial gauge 10 limits and is made electricity Welding rod retainer 7 only moves both set a distance l exactly, and, owing to use the round rubber belt 15 to welding rod A transmission rotary driving force, so can utilize the flexible with institute of round rubber belt 15 The variable quantity of saying distance 1 absorbs. Therefore, welding rod retainer 7 can rotate smoothly.
D. as long as lining 16 is inserted on the welding rod retainer 7, the front end head A of welding rod A that just can be when carrying out mirror grinding0Height and position both adjust on the allocation, can be exactly only with front end head A0Be ground to minute surface.
E. among the present invention, emery wheel is with one of the removing material formation of same particle sizes (middle granularity) The body emery wheel, and, the shape corresponding with the net shape of welding rod had. Therefore, system Make easily, can reduce its cost.
F. among the present invention, the center line of welding rod carries in perpendicular with the center line of motor drive shaft Straight line, so with respect to welding rod emery wheel is tilted or can adjust this angle of inclination person Compare, structure is greatly simplified and can be reduced cost.
G. among the present invention, but the limit is observed the dial gauge limit and is moved welding rod with the swing plate mobile device and keep Device is so welding rod can carry out very exactly with respect to the adjustment of the position of emery wheel.

Claims (15)

1. grinding machine of arc welding electrode for welding, comprise: the body of box-shaped (1), be fixed on the grinding motor (2) in the body (1), be installed in the discoid emery wheel (3) on the motor drive shaft (2a) of grinding motor (2) with grinding part (3A), be positioned at the top of emery wheel (3) and be provided on the body (3), the swing plate (4) that can move along the direction of the center line (φ) of motor drive shaft (2a), be longitudinal attitude and can obtain that swing plate (4) supports with freely revolving shape, the retainer guider (6) of the tubular that emery wheel (3) top of below part in body (1) is outstanding, be inserted in the retainer guider (6) detachable, the welding rod retainer (7) that welding rod (A) is fixed with the contacted state detachable ground, grinding part (3A) of its front end and emery wheel (3), be fixed in the body (1), driving is fitted with the welding rod rotation motor (8) of retainer guider (6) rotation of welding rod retainer (7), and the swing plate mobile device (9) that said swing plate (4) is only moved a certain distance along the center line (φ) of motor drive shaft (2a).
2. as the said grinding machine of arc welding electrode for welding of claim 1, the structure of the grinding part (3A) of emery wheel (3) is to have the 1st grinding part (3a) that is formed by coarse grit and the 2nd grinding part (3b) that is formed by fine grit.
3. as the said grinding machine of arc welding electrode for welding of claim 1, the structure of the grinding part (3A) of emery wheel (3) is, the leading section of welding rod (A) is shaped as front one side that conical the 1st grinding part (3a) is formed at disk, will be shaped as the front end head (A of conical welding rod 0) be ground to the 2nd grinding part (3b) that the V-arrangement grind reliefs (3b ') of minute surface is arranged on the outer peripheral face and be formed on the peripheral part of disk.
4. as the said grinding machine of arc welding electrode for welding of claim 1, the structure of the grinding part (3A) of emery wheel (3) is, the leading section of welding rod (A) is shaped as conical the 1st grinding part (3a) and will be shaped as the front end head (A of conical welding rod 0) the 2nd grinding part (3b) that is ground to minute surface is formed at front one side of disk respectively.
5. as the said grinding machine of arc welding electrode for welding of claim 4, the 1st grinding part (3a) is formed on the position of the inboard radially of disk and the foreign side on the thickness direction, and the 2nd grinding part (3b) is formed on the outside radially of disk and the interior side's on the thickness direction the position.
6. as the said grinding machine of arc welding electrode for welding of claim 5, constitute the angle [alpha] on the trim inclined-plane of the 1st grinding part (3a) and the 2nd grinding part (3b) respectively 1, the heel inclined-plane angle [alpha] 2And the radius R of the circular arc connecting portion on two inclined planes is identical separately in the 1st grinding part (3a) and the 2nd grinding part (3b).
7. as the said grinding machine of arc welding electrode for welding of claim 1, the grinding part (3A) of emery wheel (3) is integrally formed by the abrasive particle of middle granularity.
8. as the said grinding machine of arc welding electrode for welding of claim 7, the structure of the grinding part (3A) of emery wheel (3) is for having, and the leading section of welding rod A is shaped as conical trim inclined-plane (3a 1), with the heel inclined-plane (3a of abrasive dust discharge 2), and with the front end head (A of welding rod A 0) be the curved surface (3a that hemispherical is ground to minute surface 3).
9. as the said grinding machine of arc welding electrode for welding of claim 1, the grinding part (3A) of emery wheel (3) becomes symmetry shape to form on the two sides of the mother metal of emery wheel (3).
10. as the said grinding machine of arc welding electrode for welding of claim 1, the structure of swing plate (4) is, the one end earth's axis free to rotate is supported on the upper wall of body (1), and the other end can move freely on the direction of the center line (φ) of motor drive shaft (2a).
11. as the said grinding machine of arc welding electrode for welding of claim 1, welding rod retainer (7) is by the chuck guider (7a) of tubular, be inserted into chuck guider (7a) front seam chuck (7b) arranged, and the chuck screw (7c) that inserts from the butt side of chuck guider (7a), leading section can be screwed in the tubular on the seam chuck (7b) constitutes.
12. as the said grinding machine of arc welding electrode for welding of claim 11, the lining (16) with set thickness (h) is inserted on the chuck guider (7a) of welding rod retainer (7) the front end head (A of welding rod (A) 0) be positioned at the grind reliefs (3b ') of the 2nd grinding part (3b).
13. as the said grinding machine of arc welding electrode for welding of claim 1, the retainer guider (6) that is fitted with welding rod retainer (7) rotates under the driving of welding rod rotation motor (8) by round rubber belt (15).
14. as the said grinding machine of arc welding electrode for welding of claim 1, swing plate mobile device (9) is by moving with knob (9a), and in the rotation driving of this knob (9a) under and worm screw (9b) formation that is meshed with screw thread (4c) on being arranged on swing plate (4).
15. as the said grinding machine of arc welding electrode for welding of claim 14, welding rod retainer (7) the distance (1) that is moved under the driving of swing plate mobile device (9) by have be arranged on swing plate (4) on indicator backstop (4b) mutually the dial gauge (10) of the measuring stick of interlock (10a) show.
CNB008157790A 2000-11-06 2000-11-06 Grinding machine of arc welding electrode for welding Expired - Fee Related CN1188250C (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2000/007794 WO2002040219A1 (en) 1999-07-07 2000-11-06 Welding electrode polishing machine

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CN1390165A true CN1390165A (en) 2003-01-08
CN1188250C CN1188250C (en) 2005-02-09

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KR (1) KR100405111B1 (en)
CN (1) CN1188250C (en)
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WO (1) WO2002040219A1 (en)

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Publication number Priority date Publication date Assignee Title
CN102172899A (en) * 2011-02-17 2011-09-07 巩亚东 Novel superspeed point grinding wheel and grinding method thereof
CN105108620A (en) * 2015-06-30 2015-12-02 苏州华日金菱机械有限公司 Welding rod welding core polishing tool
CN109926875A (en) * 2019-03-08 2019-06-25 河南省林晓科技开发有限公司 A kind of subway dispersing platform pull rod pointing machine and processing method

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JP2006082197A (en) * 2004-09-17 2006-03-30 Toyoda Mach Works Ltd Grinding wheel
CN116728208B (en) * 2023-08-16 2023-10-17 唐山学院 Be used for ceramic deckle edge equipment of polishing

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JP2511525Y2 (en) * 1990-09-27 1996-09-25 彰久 村田 Electrode rod polishing machine
JP2577570Y2 (en) * 1992-08-24 1998-07-30 彰久 村田 Electrode bar polishing machine
JP2568231Y2 (en) * 1993-12-07 1998-04-08 彰久 村田 Electrode bar polishing machine

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102172899A (en) * 2011-02-17 2011-09-07 巩亚东 Novel superspeed point grinding wheel and grinding method thereof
CN105108620A (en) * 2015-06-30 2015-12-02 苏州华日金菱机械有限公司 Welding rod welding core polishing tool
CN109926875A (en) * 2019-03-08 2019-06-25 河南省林晓科技开发有限公司 A kind of subway dispersing platform pull rod pointing machine and processing method
CN109926875B (en) * 2019-03-08 2024-06-04 河南省林晓科技开发有限公司 Subway evacuation platform pull rod sharpening machine and processing method

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IL146690A (en) 2006-12-31
CA2371009A1 (en) 2002-05-06
CN1188250C (en) 2005-02-09
EP1250980A1 (en) 2002-10-23
KR20020060576A (en) 2002-07-18
WO2002040219A1 (en) 2002-05-23
CA2371009C (en) 2005-11-15

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