CN104889860A - Sharpening machine - Google Patents
Sharpening machine Download PDFInfo
- Publication number
- CN104889860A CN104889860A CN201510317732.8A CN201510317732A CN104889860A CN 104889860 A CN104889860 A CN 104889860A CN 201510317732 A CN201510317732 A CN 201510317732A CN 104889860 A CN104889860 A CN 104889860A
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- CN
- China
- Prior art keywords
- jaws
- fixture
- tungsten electrode
- clamping part
- casing
- 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.)
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Classifications
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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
- 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
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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
- B24B41/00—Component parts such as frames, beds, carriages, headstocks
- B24B41/02—Frames; Beds; Carriages
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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
- B24B41/00—Component parts such as frames, beds, carriages, headstocks
- B24B41/06—Work supports, e.g. adjustable steadies
- B24B41/067—Work supports, e.g. adjustable steadies radially supporting workpieces
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)
Abstract
The invention relates to the field of welding, and provides a sharpening machine for grinding a tungsten electrode. The sharpening machine comprises a box, a grinding wheel arranged on the front surface of the box and a fixture arranged on the box for clamping the tungsten electrode, and further comprises a rotating frame, wherein the rotating frame is spanned on the box, and can forwards and backwards rotate by surrounding the box; the rotating axle of the rotating frame passes through the circle center of the grinding surface of the grinding wheel; and the fixture is vertically arranged on the rotating frame. When the rotating frame rotates for different angles corresponding to the box and corresponding to the grinding wheel, the fixture and the tungsten electrode on the fixture are synchronously driven to rotate for different angles corresponding to the grinding wheel, so that the tungsten electrode has different grinding angles corresponding to the grinding wheel; and meanwhile, as the rotating axle of the rotating frame passes through the circle center of the grinding surface of the grinding wheel, when the rotating frame drives the fixture and the tungsten electrode to rotate, the all-angle longitudinal grinding of the tungsten electrode can be realized.
Description
Technical field
The present invention relates to field of welding processing, more particularly, relate to a kind of pointing machine.
Background technology
Tungsten electrode is the indispensable consumptive material of metal solder industry, and it has different diameters and length, and in use, need its end grinding to go out certain cone angle, the concentricity of cone angle and the lines of grinding, directly affect the quality of its serviceability and welding.
In current welding processing, the grinding of tungsten electrode can only can realize longitudinal grinding in some angles, and the lines that other angle grindings go out is oblique, cannot realize full angle longitudinal grinding, causes later stage welding quality to go wrong.
Summary of the invention
The object of the present invention is to provide a kind of pointing machine, be intended to solve tungsten electrode in prior art and cannot realize the problem of full angle longitudinal grinding.
For solving the problems of the technologies described above, technical scheme of the present invention is: provide a kind of pointing machine, for carrying out grinding to tungsten electrode, the fixture comprising casing, be located at the emery wheel on described casing front surface and be located at for clamping tungsten electrode on described casing, also comprise a rotating turret, described rotating turret is located on described casing, and described rotating turret can rotate before and after described casing, the rotation of described rotating turret passes through the center of circle of described grinding-wheel grinder bevel, and described clip vertical is located on described rotating turret.
Particularly, described rotating turret comprises biside plate and is located at the level board between described biside plate, wherein side plate described in is fixed on a side surface of described casing by a rotating shaft, another side plate is secured by bolts in another relative side surface of described casing, described level board is positioned at the top of described casing, described fixture is arranged on described level board, and the side plate at described bolt place is also provided with angle indicator, and the side surface of described casing is provided with angle dial.
Particularly, described level board is also provided with the translating device that can move horizontally along it, described fixture is located on described translating device.
Particularly, described level board is provided with fixed block, described fixed block is provided with screw, described translating device comprises slide block, be located at chute on described slide block and bolt, described fixed block is arranged in described chute, described bolt is by stretching into described screw internal fixtion above described chute, and described fixture is from top to bottom successively through the end face of described slide block, described level board and described casing.
Particularly, the end face of described casing extends to outside described emery wheel, the both side surface of described casing extends to outside described emery wheel, transparent baffle is provided with on front side of described emery wheel, described transparent baffle is fixedly connected with the end face of described casing and the both side surface of described casing, described transparent baffle and described fixture corresponding position are provided with recess, and the bottom margin of described recess is higher than the rotation of described rotating turret.
Particularly, the drawer type tray for splendid attire abrasive dust is also provided with below described emery wheel.
Particularly, described fixture comprises for the first active chuck of the short tungsten electrode of movable clamping and the second active chuck for the long tungsten electrode of movable clamping, described first active chuck is fixedly connected with described second active chuck, described first active chuck has the first container cavity for holding described short tungsten electrode and the first jaws for clamping described short tungsten electrode, described first jaws is positioned on the extended line of described first container cavity, described second active chuck has the second container cavity for holding described long tungsten electrode and the second jaws for clamping described long tungsten electrode, described second jaws is positioned on the extended line of described second container cavity, described first jaws deviates from described second jaws.
Particularly, described first active chuck comprises head rod and is positioned at the first clamping part of described head rod one end, described first jaws is positioned on described first clamping part, and described first container cavity extends to described head rod by described first clamping part; Described second active chuck comprises the second connecting rod and is positioned at the second clamping part of described second connecting rod one end, described second jaws is positioned on described second clamping part, described second container cavity extends to described second connecting rod by described second clamping part, and described head rod is fixedly connected with described second connecting rod.
Particularly, also comprise and can move along described head rod and oppress described first clamping part to control described first jaws contraction or the first sliding sleeve opened and can move along described second connecting rod and oppress described second clamping part with the second sliding sleeve controlling described second jaws contraction or open, described head rod is slidedly arranged in described first sliding sleeve, and described second connecting rod is slidedly arranged in described second sliding sleeve.
Particularly, described first clamping part comprises enclosing and forms described first jaws and at described first sliding sleeve to some first fixture blocks drawing described first jaws when moving near the direction of described first jaws in, have gap between first fixture block described in adjacent two, described first clamping part also comprises for strutting each described first fixture block to increase the first elastic component of the bore of described first jaws; Described second clamping part comprises enclosing and forms described second jaws and at described second sliding sleeve to some second fixture blocks drawing described second jaws when moving near the direction of described second jaws in, have gap between second fixture block described in adjacent two, described second clamping part also comprises for strutting each described second fixture block to increase the second elastic component of the bore of described second jaws.
In the present invention, when rotating turret opposite case and when rotating different angles relative to emery wheel, drive the tungsten electrode on fixture and fixture to rotate different angles relative to emery wheel simultaneously, relative to emery wheel, there is different grinding angles to make tungsten electrode; Meanwhile, the rotation of rotating turret, by the center of circle of grinding-wheel grinder bevel, like this, when rotating turret drives fixture and tungsten electrode to rotate, can realize tungsten electrode full angle longitudinal grinding.
Accompanying drawing explanation
Fig. 1 is the structural representation of the pointing machine that the embodiment of the present invention provides;
Fig. 2 is the position view of embodiment of the present invention medium plain emery wheel and rotating turret;
Fig. 3 is another angle views schematic diagram of pointing machine in the embodiment of the present invention;
Fig. 4 is the structural representation of fixed block in the embodiment of the present invention;
Fig. 5 is the structural representation of fixture in the embodiment of the present invention;
Fig. 6 is that the first clamping section of fixture in Fig. 5 and the second clamping section are all in the structural representation of flaring shape;
Fig. 7 is the sectional view of fixture in Fig. 5;
Fig. 8 is the first clamping section and the second clamping section structural representation all in gradually-reducing shape of fixture in Fig. 5.
Detailed description of the invention
In order to make object of the present invention, technical scheme and advantage clearly understand, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the present invention, be not intended to limit the present invention.
It should be noted that, when element is called as " being fixed on " or " being arranged at " another element, it can directly on another element or may there is centering elements simultaneously.When an element is called as " being connected to " another element, it can be directly connected to another element or may there is centering elements simultaneously.
Also it should be noted that, the orientation term such as left and right, upper and lower in the present embodiment, is only relative concept or be reference with the normal operating condition of product each other, and should not be regarded as have restrictive.
With reference to Fig. 1, the pointing machine 5 that the embodiment of the present invention provides, for carrying out grinding to tungsten electrode 6, the fixture 53 comprising casing 51, be located at the emery wheel 52 on casing 51 front surface and be located at for clamping tungsten electrode 6 on casing 51, also comprise a rotating turret 54, rotating turret 54 is located on casing 51, and rotating turret 54 can rotate before and after casing 51, and fixture 53 is vertical on rotating turret 54.When that is rotating turret 54 opposite case 51 rotates different angles relative to emery wheel 52, drive the tungsten electrode 6 on fixture 53 and fixture 53 to rotate different angles relative to emery wheel 52 simultaneously, relative to emery wheel 52, there is different grinding angles to make tungsten electrode 6; Meanwhile, composition graphs 2, the rotation of rotating turret 54, by the center of circle of emery wheel 52 grinding face, like this, when rotating turret 54 drives fixture 53 and tungsten electrode 6 to rotate, can realize tungsten electrode 6 full angle longitudinal grinding.
Particularly, rotating turret 54 comprises biside plate 541 and is located at the level board 542 between biside plate 541, and level board 542 and biside plate 541 are connected to form inverted U.And casing 51 is in hexahedron shape.Emery wheel 52 is fixed on casing 51 front surface.Level board 542 is placed in casing 51 top surface, and fixture 53 wears the top surface of level board 542 and casing 51, and biside plate 541 lays respectively at the side surface of casing 51.Wherein, side plate 541 is fixed on a side surface of casing 51 by a rotating shaft (not shown), and another side plate 541 is fixed on another relative side surface of casing 51 by bolt 543.Wherein, the side plate 541 at bolt 543 place is also provided with angle indicator 544, the side surface of casing 51 is provided with angle dial 545.When needs rotating turret 54, bolt 543 is unscrewed, according to the instruction of angle dial 545 and angle indicator 544, side plate 541 is stirred certain angle, thus drive rotating turret 54 to rotate certain angle, finally again bolt 543 is tightened and be locked by rotating turret 54.
Adopt manual mode to rotate rotating turret 54 in the present embodiment, certainly, electronic mode also can be adopted to rotate rotating turret 54.As being coaxially connected with a moving runner by side plate 541, drive side plate 541 to rotate by moving runner, and the rotation of moving runner can be moved, and also can be realized by the secondary drive such as belt transmission, gear drive by motor straight tape splicing.
Preferably, in the present embodiment, level board 542 is also provided with the translating device 55 that can move horizontally along level board 542, fixture 53 is located on translating device 55.Like this, fixture 53 can move horizontally along emery wheel 52, makes full use of the grinding skin of emery wheel 52, reduces emery wheel 52 and changes number of times.
Composition graphs 3, Fig. 4, in the present embodiment, level board 542 is provided with fixed block 546.Fixed block 546 is provided with screw 547.And translating device 55 comprises slide block 551, is located at chute 552 on slide block 551 and bolt 553.Wherein, slide block 551 is provided with step 554, and slide block 551 is separated into higher fixed part 555 and lower sliding part 556 by step 554, and chute 552 is located on fixed part 555.The width of chute 552 and the width of fixed block 546 match, and fixed block 546 is arranged in chute 552, and bolt 553 is by screw 547 internal fixtion stretching into fixed block 546 above chute 552.And fixture 53 is from top to bottom successively through the end face of fixed part 555, level board 542 and casing 51.Because fixed block 546 is arranged in chute 552, chute 552 has certain length, when slide block 551 moves horizontally, fixed block 546 plays guide effect, avoid chute 552 to move to offset, and after moving into place, on fixed block 546, screw 547 plays fixing effect with coordinating of bolt 553.
It should be noted that, translating device 55 is not limited to above-mentioned structure, also can have other structures, as long as can move horizontally all within scope along level board 542 by shield jig 53.
In the present embodiment, casing 51 has closed chamber, is provided with the grinding wheel drive mitor (not shown) that emery wheel 52 can be driven to rotate in chamber, and the output shaft of grinding wheel drive mitor is stretched out by the front surface of casing 51, and emery wheel 52 is fixed on the output shaft of grinding wheel drive mitor.The end face of casing 51 extends to outside emery wheel 52, the both side surface of casing 51 also forwards extends to outside emery wheel 52, transparent baffle 56 is provided with on front side of emery wheel 52, transparent baffle 56 is fixedly connected with the end face of casing 51 and the both side surface of casing 51, simultaneously, transparent baffle 56 and fixture 53 corresponding position are provided with recess 561, and the bottom margin of recess 561 is higher than the rotation of rotating turret 54.In the present embodiment, arrange transparent baffle 56 emery wheel 52 is closed, avoid emery wheel 52 exposed, pointing machine 5 is used safer, and corresponding fixture 53 place arranges recess 561, conveniently adjusted by recess 561 pairs of tungsten electrodes 6, simultaneously, because the bottom margin of recess 561 is higher than the rotation of rotating turret 54, the abrasive dust when grinding is avoided to be flown out by recess 561.
Further, in the present embodiment, below emery wheel 52, be also provided with the drawer type tray 57 for splendid attire abrasive dust.After grinding terminates, drawer type tray 57 is pulled out, abrasive dust is poured out, then drawer type tray 57 is loaded onto.Adopt this support holder structure, cleaning abrasive dust is more convenient, light.
See Fig. 5 and Fig. 6, the fixture 53 that the embodiment of the present invention provides, be mainly used in clamping tungsten electrode 6, comprise the first active chuck 1 and the second active chuck 2, be fixedly connected with between the two, first active chuck 1 may be used for clamping shorter tungsten electrode 6, second active chuck 2 then can be used for clamping longer tungsten electrode 6, first active chuck 1 has the first container cavity 11 and the first jaws 131, first container cavity 11 can be used for holding short tungsten electrode 6, first jaws 131 can be used for clamping short tungsten electrode 6, on the extended line that first jaws 131 is positioned at the first container cavity 11 and both be communicated with, stretch in the first container cavity 11 to this short tungsten electrode 6 by the first jaws 131, for the second active chuck 2, there is the second container cavity 21 and the second jaws 231, second container cavity 21 can be used for holding long tungsten electrode 6, second jaws 231 can be used for clamping long tungsten electrode 6, the extended line that second jaws 231 is positioned at the second container cavity 21 is communicated with between the two, can be stretched in the second container cavity 21 by the second jaws 231 this long tungsten electrode 6.In the present invention, general first jaws 131 deviates from the second jaws 231, the degree of depth of the first container cavity 11 is shallower than the degree of depth of the second container cavity 21, be specially the first jaws 131, first container cavity 11, second container cavity 21 and the second jaws 231 are all positioned on same axis, and set gradually, be equivalent to the both sides that the first jaws 131 and the second jaws 231 lay respectively at fixture 53, when the length of tungsten electrode 6 is shorter, tungsten electrode 6 can be stretched in the first container cavity 11 by the first jaws 131 of fixture 53 side and clamp, and when tungsten electrode 6 length is longer, then can select to be stretched in the second container cavity 21 by the second jaws 231 of fixture 53 single-candidate opposite side to clamp, namely the fixture 53 in the present invention has stronger selective, staff can select suitable active chuck according to the length of tungsten electrode 6.In the present embodiment, when the length of tungsten electrode 6 is larger, tungsten electrode 6 stretches in the second container cavity 21 by the second jaws 231, now tungsten electrode 6 major part is positioned at the second container cavity 21, the part-structure of a wherein end is only had to be positioned at the outside of fixture 53, namely tungsten electrode 6 be positioned at the second container cavity 21 length will much larger than be positioned at outside length, and adopt the second jaws 231 to clamp tungsten electrode 6, second jaws 231 plays the effect of fulcrum, from lever principle, even if when under this kind of state, tungsten electrode 6 end be positioned at outside fixture 53 is subject to External Force Acting, tungsten electrode 6 also can not occur rocking easily, thus make fixture 53 tungsten electrode 6 when processing longer tungsten electrode 6 have good stability, the quality of tungsten electrode 6 after guarantee machine-shaping.
See Fig. 6, particularly, for the structure of the first active chuck 1 and the second active chuck 2, first active chuck 1 comprises head rod 12 and the first clamping part 13, first clamping part 13 is positioned at a wherein end of head rod 12, first jaws 131 is positioned on the first clamping part 13, first container cavity 11 extends on head rod 12 by the first clamping part 13, and the second active chuck 2 comprises the second connecting rod 22 and the second clamping part 23, second clamping part 23 is positioned at a wherein end of the second connecting rod 22, second jaws 231 is positioned on the second clamping part 23, second container cavity 21 extends on the second connecting rod 22 by the second clamping part 23, head rod 12 is fixedly connected with between the second connecting rod 22 simultaneously, head rod 12 is can be understood as and the second connecting rod 22 is two parts for being fixedly connected with, also can be an entirety, namely one-body molded.In the present embodiment, a wherein end of head rod 12 is connected with a wherein end of the second connecting rod 22, and the first clamping part 13 is positioned at the other end of head rod 12, second clamping part 23 is positioned at the other end of the second connecting rod 22, usually be formed in one between the first clamping part 13 and head rod 12, be formed in one between second clamping part 23 and the second connecting rod 22, screw thread then can be adopted between head rod 12 with the second connecting rod 22 to be fixed be connected, be specially and be provided with conduit 121 at head rod 12 near the end position of the second connecting rod 22, and on the inwall of conduit 121, attacked internal thread 122, second connecting rod 22 has part-structure and stretches in the conduit 121 of this head rod 12, its outer surface has the external screw thread 221 with head rod 12 internal thread 122 corresponding matching simultaneously, thus form head rod 12 and being fixedly connected with between the second connecting rod 22, and it is very convenient during this structure dismounting, head rod 12 is relative with the second connecting rod 22 to be rotated.
Optimize above-described embodiment, fixture 53 also includes the first sliding sleeve 3 and the second sliding sleeve 4, head rod 12 is slidedly arranged in the first sliding sleeve 3, second connecting rod 22 is slidedly arranged in the second sliding sleeve 4, because the first active chuck 1 is fixedly connected with the second active chuck 2, the first sliding sleeve 3 and the second sliding sleeve 4 can be made for movable to this, namely the first sliding sleeve 3 can move along head rod 12, second sliding sleeve 4 can move along the second connecting rod 22, usually can play contention effect to control the contraction of the first jaws 131 or to open to the first clamping part 13 at the first sliding sleeve 3 along in the process of head rod 12 movement, contention effect can be played to control and the contraction of jaws or open to the second clamping part 23 in the process of the second sliding sleeve 4 along the second connecting rod 22 movement.In the present embodiment, first sliding sleeve 3 and the second sliding sleeve 4 can control the contraction of the first jaws 131 and the second jaws 231 respectively and open, and usually under normal circumstances the bore of the first jaws 131 and the second jaws 231 be maximum rating, and when needing to clamp tungsten electrode 6, then can control the first sliding sleeve 3 or the second sliding sleeve 4 moves to shrink the first jaws 131 or the second jaws 231, and then the clamping action formed tungsten electrode 6, very convenient, such as when the length of tungsten electrode 6 is larger, this tungsten electrode 6 is clamped by the second jaws 231, namely tungsten electrode 6 can stretch in the second container cavity 21 along the second jaws 231, and when most of structure is positioned at the second container cavity 21, the second sliding sleeve 4 can be controlled move along the second connecting rod 22 to the direction near the second jaws 231, second jaws 231 clamps tungsten electrode 6 gradually, and then the second sliding sleeve 4 can be oppositely moved after tungsten electrode 6 machines, second jaws 231 is opened gradually, and then the tungsten electrode 6 after shaping can be extracted out by the second jaws 231, and when the length of tungsten electrode 6 is shorter, tungsten electrode 6 is clamped by the first jaws 131, its operating process and above-mentioned long tungsten electrode 6 similar, do not repeat them here.
See Fig. 5-Fig. 7, further, the structure of refinement first clamping part 13 and the second clamping part 23, first clamping part 13 includes some first fixture blocks 132, each first fixture block 132 encloses and is formed with the first above-mentioned jaws 131, and each first fixture block 132 draws to reduce the bore at the first jaws 131 place in when the first sliding sleeve 3 moves to the direction near the first jaws 131 simultaneously, certainly when the first sliding sleeve 3 moves along the direction away from the first jaws 131, then each first fixture block 132 can make the bore of the first jaws 131 increase, be specially between adjacent first fixture block 132 and all there is gap, to make the first fixture block 132 when shrinking or opening the first jaws 131, interference can not be produced between adjacent two first fixture blocks 132, simultaneously the first clamping part 13 its also include the first elastic component (not shown), this first elastic component is mainly used in strutting above-mentioned first fixture block 132 to increase the bore at the first jaws 131 place, some second fixture blocks 232 are included for the second clamping part 23, each second fixture block 232 encloses and is formed with the second above-mentioned jaws 231, and each second fixture block 232 draws to reduce the bore at the second jaws 231 place in when the second sliding sleeve 4 moves to the direction near the second jaws 231 simultaneously, certainly when the second sliding sleeve 4 moves along the direction away from the second jaws 231, then each second fixture block 232 can make the bore of the second jaws 231 increase, be specially between adjacent second fixture block 232 and all there is gap, to make the second fixture block 232 when shrinking or opening the second jaws 231, interference can not be produced between adjacent two first fixture blocks 132, simultaneously the second clamping part 23 its also include the second elastic component (not shown), this second elastic component is mainly used in strutting above-mentioned second fixture block 232 to increase the bore at the second jaws 231 place.In the present embodiment, first sliding sleeve 3 does not act on each first fixture block 132 under normal circumstances, first elastic component keeps former length, when the first sliding sleeve 3 moves along head rod 12 to the direction near the first jaws 131, first sliding sleeve 3 can produce active force to each first fixture block 132, and active force increases to make the first elastic component compression gradually, each first fixture block 132 is all drawn close to centre, and then make the bore at the first jaws 131 place reduce gradually to clamp tungsten electrode 6 to be processed, otherwise when the first sliding sleeve 3 moves along the direction away from the first jaws 131, then the active force of the first sliding sleeve 3 to each first fixture block 132 reduces gradually, first elastic component under the effect of its own resilient, strut each first fixture block 132 gradually until each first fixture block 132 returns to previous status, in like manner the second sliding sleeve 4 does not also act on each second fixture block 232 under normal circumstances, second elastic component also keeps former length, its course of work and above-mentioned first sliding sleeve 3 and the first elastic component similar, also do not repeating at this.Certainly also can elastomeric material be all adopted to make for each first fixture block 132 with each second fixture block 232, when the first sliding sleeve 3 and the second sliding sleeve 4 act on each second fixture block 232 each first fixture block 132 respectively, each first fixture block 132 is out of shape to clamp tungsten electrode 6 with each first fixture block 132.
See Fig. 6 and Fig. 8, ground, the outer surface of each first fixture block 132 all has the first inclined plane 133a dispersed laterally along the direction away from head rod 12, accordingly the first sliding sleeve 3 have can support this first inclined plane 133a first support angle 31a, in such an embodiment, first support angle 31a not to each first inclined plane 133a generation active force under normal circumstances, then each first fixture block 132 maintains the original state, the bore of the first jaws 131 maximizes, and when the first sliding sleeve 3 moves along head rod 12 to the direction near the first jaws 131, because each first inclined plane 133a is divergent shape, first supports angle 31a forces the first jaws 131 to clamp tungsten electrode 6 to each first inclined plane 133a generation active force gradually.In like manner the outer surface of each second fixture block 232 all has the second inclined plane 233a dispersed laterally along the direction away from the second connecting rod 22, accordingly the second sliding sleeve 4 have can support this second inclined plane 233a second support angle 41a, in such an embodiment, second support angle 41a not to each second inclined plane 233a generation active force under normal circumstances, then each second fixture block 232 maintains the original state, the bore of the second jaws 231 maximizes, and when the second sliding sleeve 4 moves along the second connecting rod 22 to the direction near the second jaws 231, because each second inclined plane 233a is divergent shape, second supports angle 41a forces the second jaws 231 to clamp tungsten electrode 6 to each second inclined plane 233a generation active force gradually.Certainly in another kind of structure, first clamping part 13 has the first inclined plane 133b assembled to the inside along the direction away from head rod 12, namely the first clamping part 13 has the outer surface along away from the direction of head rod 12 being gradually-reducing shape, accordingly the first sliding sleeve 3 also have can with another inclined-plane 31b of this first inclined plane 133b relative sliding, when the first clamping part 13 moves laterally relative to the first sliding sleeve 3, the relative first inclined plane 133b of inclined-plane 31b of the first sliding sleeve 3 slides, extrude the first inclined plane 133b of the first clamping part 13 gradually, reduce gradually to make the bore of the first jaws 131, otherwise the first clamping part 13 is when the first sliding sleeve 3 moves to the inside, first jaws 131 is opened gradually, in like manner the second clamping part 23 has the second inclined plane 233b assembled to the inside along the direction away from the second connecting rod 22, namely the second clamping part 23 is gradually-reducing shape along the direction away from the second connecting rod 22, accordingly the second sliding sleeve 4 also have can with another inclined-plane 41b of this second inclined plane 233b relative sliding, its operation principle is identical with the fit structure of above-mentioned first clamping part 13 and the first sliding sleeve 3, does not repeat them here.
Continue to optimize above-described embodiment, for being threaded between the first sliding sleeve 3 with the second sliding sleeve 4, and both rotations coincide.In the present embodiment, can rotate around rotation is relative between first sliding sleeve 3 with the second sliding sleeve 4, first active chuck 1 and the second active chuck 2 are fixed, to this when the first sliding sleeve 3 is fixed, the second sliding sleeve 4 can be ordered about rotate relative to the first sliding sleeve 3, second sliding sleeve 4 will move along the second connecting rod 22, and moved to close or away from the second jaws 231 direction to make the second sliding sleeve 4 by the direction of rotation of the second sliding sleeve 4, otherwise when the second sliding sleeve 4 is fixed, the first sliding sleeve 3 can be ordered about rotate relative to the second sliding sleeve 4, first sliding sleeve 3 will move along head rod 12, and moved to close or away from the first jaws 131 direction to make the first sliding sleeve 3 by the direction of rotation of the first sliding sleeve 3.And for the relative rotation between the first sliding sleeve 3 with the second sliding sleeve 4, control by an actuator (not shown), namely when actuator works, first sliding sleeve 3 is relative with the second sliding sleeve 4 to be rotated, and usually actuator can be drive motors, only actuator need be started to the clamping of this first jaws 131 and the second jaws 231 pairs of tungsten electrodes 6, without the need to manual operation, not only very convenient, and first the clamping of jaws 131 and the second jaws 231 pairs of tungsten electrodes 6 be easy to control, clamping force can be definite value, make it both can not be excessive, also can not be too small, can effectively ensure tungsten electrode 6 crudy further.
Two kinds of versions can be had for being threaded between the first sliding sleeve 3 with the second sliding sleeve 4, such as the second sliding sleeve 4 has link slot 42, the inwall of link slot 42 is provided with internal thread 421, first sliding sleeve 3 is positioned at link slot 42 and its outer edge surface has the external screw thread 32 coordinated with internal thread 421, otherwise also can be provided with link slot (not shown) in the first sliding sleeve 3, the link slot formation that the second sliding sleeve 4 is positioned at the first sliding sleeve 3 is threaded.
These are only preferred embodiment of the present invention, not in order to limit the present invention, all any amendments done within the spirit and principles in the present invention, equivalent replacement and improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. a pointing machine, for carrying out grinding to tungsten electrode, the fixture comprising casing, be located at the emery wheel on described casing front surface and be located at for clamping tungsten electrode on described casing, it is characterized in that: also comprise a rotating turret, described rotating turret is located on described casing, described rotating turret can rotate before and after described casing, and the rotation of described rotating turret passes through the center of circle of described grinding-wheel grinder bevel, and described clip vertical is located on described rotating turret.
2. pointing machine as claimed in claim 1, it is characterized in that: described rotating turret comprises biside plate and is located at the level board between described biside plate, wherein side plate described in is fixed on a side surface of described casing by a rotating shaft, another side plate is secured by bolts in another relative side surface of described casing, described level board is positioned at the top of described casing, described fixture is arranged on described level board, the side plate at described bolt place is also provided with angle indicator, and the side surface of described casing is provided with angle dial.
3. pointing machine as claimed in claim 2, is characterized in that: described level board is also provided with the translating device that can move horizontally along it, described fixture is located on described translating device.
4. pointing machine as claimed in claim 3, it is characterized in that: described level board is provided with fixed block, described fixed block is provided with screw, described translating device comprises slide block, be located at chute on described slide block and bolt, described fixed block is arranged in described chute, described bolt is by stretching into described screw internal fixtion above described chute, and described fixture is from top to bottom successively through the end face of described slide block, described level board and described casing.
5. pointing machine as claimed in claim 4, it is characterized in that: the end face of described casing extends to outside described emery wheel, the both side surface of described casing extends to outside described emery wheel, transparent baffle is provided with on front side of described emery wheel, described transparent baffle is fixedly connected with the end face of described casing and the both side surface of described casing, described transparent baffle and described fixture corresponding position are provided with recess, and the bottom margin of described recess is higher than the rotation of described rotating turret.
6. pointing machine as claimed in claim 1, is characterized in that: be also provided with the drawer type tray for splendid attire abrasive dust below described emery wheel.
7. pointing machine as claimed in claim 1, it is characterized in that: described fixture comprises for the first active chuck of the short tungsten electrode of movable clamping and the second active chuck for the long tungsten electrode of movable clamping, described first active chuck is fixedly connected with described second active chuck, described first active chuck has the first container cavity for holding described short tungsten electrode and the first jaws for clamping described short tungsten electrode, described first jaws is positioned on the extended line of described first container cavity, described second active chuck has the second container cavity for holding described long tungsten electrode and the second jaws for clamping described long tungsten electrode, described second jaws is positioned on the extended line of described second container cavity, described first jaws deviates from described second jaws.
8. pointing machine as claimed in claim 7, it is characterized in that: described first active chuck comprises head rod and is positioned at the first clamping part of described head rod one end, described first jaws is positioned on described first clamping part, and described first container cavity extends to described head rod by described first clamping part; Described second active chuck comprises the second connecting rod and is positioned at the second clamping part of described second connecting rod one end, described second jaws is positioned on described second clamping part, described second container cavity extends to described second connecting rod by described second clamping part, and described head rod is fixedly connected with described second connecting rod.
9. pointing machine as claimed in claim 8, it is characterized in that: also comprise and can move along described head rod and oppress described first clamping part to control described first jaws contraction or the first sliding sleeve opened and can move along described second connecting rod and oppress described second clamping part with the second sliding sleeve controlling described second jaws contraction or open, described head rod is slidedly arranged in described first sliding sleeve, and described second connecting rod is slidedly arranged in described second sliding sleeve.
10. pointing machine as claimed in claim 9, it is characterized in that: described first clamping part comprises enclosing and forms described first jaws and at described first sliding sleeve to some first fixture blocks drawing described first jaws when moving near the direction of described first jaws in, have gap between first fixture block described in adjacent two, described first clamping part also comprises for strutting each described first fixture block to increase the first elastic component of the bore of described first jaws; Described second clamping part comprises enclosing and forms described second jaws and at described second sliding sleeve to some second fixture blocks drawing described second jaws when moving near the direction of described second jaws in, have gap between second fixture block described in adjacent two, described second clamping part also comprises for strutting each described second fixture block to increase the second elastic component of the bore of described second jaws.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510317732.8A CN104889860A (en) | 2015-06-10 | 2015-06-10 | Sharpening machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510317732.8A CN104889860A (en) | 2015-06-10 | 2015-06-10 | Sharpening machine |
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| Publication Number | Publication Date |
|---|---|
| CN104889860A true CN104889860A (en) | 2015-09-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510317732.8A Pending CN104889860A (en) | 2015-06-10 | 2015-06-10 | Sharpening machine |
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| Country | Link |
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| CN (1) | CN104889860A (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105881150A (en) * | 2016-05-20 | 2016-08-24 | 王恒标 | Adjustable grinding device |
| CN111774996A (en) * | 2020-07-20 | 2020-10-16 | 宋小磊 | Needle-shaped cylinder grinding mechanism for spinning |
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| CN104385091A (en) * | 2014-11-23 | 2015-03-04 | 天津市奥金渔具有限公司 | Pointing device |
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| US2525264A (en) * | 1946-09-26 | 1950-10-10 | William A Milner | Device for sharpening hollow surgical needles |
| CN2256359Y (en) * | 1996-08-29 | 1997-06-18 | 郭伟 | Hand-rocking tungsten electrode tip sharpener |
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