CN204711811U - Tungsten bar automatic clamping device and rocking tungsten electrode tip sharpener - Google Patents
Tungsten bar automatic clamping device and rocking tungsten electrode tip sharpener Download PDFInfo
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- CN204711811U CN204711811U CN201520399675.8U CN201520399675U CN204711811U CN 204711811 U CN204711811 U CN 204711811U CN 201520399675 U CN201520399675 U CN 201520399675U CN 204711811 U CN204711811 U CN 204711811U
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- China
- Prior art keywords
- connecting rod
- tungsten bar
- slide block
- jaws
- clamping device
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Abstract
The utility model relates to tungsten electrode processing, a kind of tungsten bar automatic clamping device is provided, comprise the active chuck for sandwiched tungsten bar, active chuck comprises connecting rod and is positioned at the clamping part of connecting rod an end portion, connecting rod has the container cavity for accommodating part tungsten bar, clamping part has the jaws being communicated with container cavity and clamping tungsten bar for activity, jaws is positioned on the extended line of container cavity, also comprise be sheathed on connecting rod and can along connecting rod move to shrink or increase jaws slide block and for promoting the actuator of slide block along connecting rod movement; A kind of rocking tungsten electrode tip sharpener is also provided, comprises above-mentioned clamping device.In clamping device of the present utility model, by actuator and slide block coordinate the bore of clamp mouth part is increased automatically or reduces, the clamped condition of jaws to tungsten bar not only can be made more stable, and owing to not being artificial clamping, the clamping force of clamp mouth part to tungsten bar is easy to control, be applied to this in pointing machine, the tungsten electrode quality comparation after processing is high.
Description
Technical field
The utility model relates to tungsten electrode manufacture field, particularly relates to a kind of tungsten bar automatic clamping device and rocking tungsten electrode tip sharpener.
Background technology
In existing rocking tungsten electrode tip sharpener, tungsten bar grinding is adopted to become tungsten electrode, tungsten bar is generally all inserted in pilot hole or utilizes collet to be fixed, when using pilot hole to fix tungsten bar, pilot hole is not highly stable to the installation of tungsten bar, in process, tungsten bar is stressed easily arbitrarily swings, rotate, be unfavorable for quality control and cannot automated production be realized, and when adopting collet clamping tungsten bar, usual needs are manual puts into chuck tungsten bar, then contraction clip cephalic par is tightened with fixing tungsten bar by hand, the method clamping force is by Artificial Control, larger by artifical influence factor, clamping force size is caused to unify, the quality of impact processing.
Utility model content
The purpose of this utility model is to provide a kind of tungsten bar chuck, is intended to for solving the uppity problem of the clamping force of existing tungsten bar clamping device to tungsten bar.
For solving the problems of the technologies described above, the technical solution of the utility model is: provide a kind of tungsten bar automatic clamping device, comprise the active chuck for sandwiched tungsten bar, described active chuck comprises connecting rod and is positioned at the clamping part of described connecting rod an end portion, described connecting rod has the container cavity for accommodating the described tungsten bar of part, described clamping part has the jaws being communicated with described container cavity and clamping described tungsten bar for activity, described jaws is positioned on the extended line of described container cavity, also comprise be sheathed on described connecting rod and can along described connecting rod move to shrink or increase described jaws slide block and for promoting the actuator of described slide block along described connecting rod movement.
Particularly, described clamping part comprises enclosing and forms described jaws and at described slide block to the some fixture blocks drawing described jaws when moving near the direction of described jaws in, have gap between fixture block described in adjacent two, described clamping part also comprises for strutting each described fixture block to increase the elastic component of the bore of described jaws.
Further, each described fixture block all has along the first inclined plane of spreading laterally away from described connecting rod direction near described connecting rod end position place, and described slide block has and to coordinate with each described first inclined plane and can the second inclined plane of relative sliding.
Particularly, described connecting rod surface is provided with the external screw thread extended along its length, and described slide block has the internal thread coordinated with described external screw thread, and described actuator is order about the drive motors that described slide block rotates relative to described connecting rod.
Further, the shaft coupling that output shaft for connecting described drive motors respectively and described connecting rod rotate around own axes to drive described connecting rod is also comprised.
Further, described shaft coupling is equipped with two groups of connecting pins, wherein connecting pin described in connects the output shaft of described shaft coupling and described drive motors, and connecting pin described in another connects described shaft coupling and described connecting rod.
Particularly, the output shaft of described drive motors is connected with described slide block and drives described slide block to rotate around described connecting rod axis.
Further, also comprise mount pad, described drive motors is fixedly installed on ground by described mount pad.
Particularly, described actuator is be connected with described slide block to promote the telescopic cylinder of described slide block along described connecting rod movement.
The utility model additionally provides a kind of rocking tungsten electrode tip sharpener, comprises body, also comprises above-mentioned tungsten bar automatic clamping device, and described tungsten bar automatic clamping device is installed on described body.
The utility model has following technique effect:
In clamping device of the present utility model, due on the extended line that jaws is positioned at container cavity and both be connected, can stretch in the container cavity of connecting rod along the clamp mouth part of clamping part to this tungsten bar, and now can start actuator work, actuator can order about slide block and move along connecting rod, and then described jaws can be made to shrink to clamp tungsten bar, certainly after machining tungsten bar, actuator then can be adopted to order about slide block direction move jaws is opened, the tungsten bar after processing can take out by container cavity.In the above-mentioned course of work, clamp mouth part all can be controlled by actuator the clamping of tungsten bar and taking-up, not only can ensure that it is when clamping tungsten bar, tungsten bar has stronger stability, adopts actuator to coordinate with slide block to make jaws Automatic-clamping tungsten bar simultaneously, and the clamping force of clamp mouth part to tungsten bar is easy to control, to ensure the crudy of tungsten bar, this clamping device is applied in pointing machine, not only the convenient processing to tungsten bar, and after processing, the quality of tungsten electrode is also higher.
Accompanying drawing explanation
Fig. 1 is the structural representation of the tungsten bar automatic clamping device of the utility model embodiment;
Fig. 2 is the sectional view of the tungsten bar automatic clamping device of Fig. 1.
Detailed description of the invention
In order to make the purpose of this utility model, technical scheme and advantage clearly understand, below in conjunction with drawings and Examples, the utility model is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the utility model, and be not used in restriction the utility model.
See Fig. 1 and Fig. 2, the utility model embodiment provides a kind of tungsten bar automatic clamping device, be mainly used in rocking tungsten electrode tip sharpener, to form being fixedly clamped to tungsten bar (not shown) to be processed, mainly comprise active chuck 1, adopt active chuck 1 to clamp tungsten bar, active chuck 1 comprises connecting rod 11 and clamping part 12, clamping part 12 is positioned at the wherein an end portion of connecting rod 11, connecting rod 11 is hollow, namely there is in it container cavity 111 arranged along connecting rod 11 length direction, this container cavity 111 can accommodate tungsten bar to be processed, clamping part 12 then has the jaws 121 for activity clamping tungsten bar, the extended line that this jaws 121 is positioned at container cavity 111 is formed with container cavity 111 and is communicated with, can stretch in container cavity 111 by jaws 121 part to this tungsten bar, for clamping device, it also includes slide block 2 and actuator 3, slide block 2 is sheathed on connecting rod 11, it can be moved along connecting rod 11 surface and then can be formed the contraction of the jaws 121 of clamping part 12 or open, and actuator 3 can be mainly used for driving slide block 2 to move along the length direction of connecting rod 11.Jaws 121 is open configuration under normal circumstances, tungsten bar to be processed is stretched in container cavity 111 along jaws 121, certainly now tungsten bar is that part is positioned at container cavity 111, and another part is also positioned at outside, start actuator 3 and work, actuator 3 orders about slide block 2 along connecting rod 11 and moves jaws 121 is shunk, jaws 121 clamps tungsten bar, and after tungsten bar machines, actuator 3 orders about slide block 2 direction and moves to make jaws 121 open, now tungsten bar can be taken out by container cavity 111.In the above-mentioned course of work, actuator 3 coordinates slide block 2 to realize the contraction of jaws 121 to realize the clamping to tungsten bar, this clamped condition is more stable, namely in process, tungsten bar there will not be and rocks, simultaneously because the clamping of jaws 121 pairs of tungsten bars is automatically carried out after starting actuator 3, and artificial unlatching or the closedown that only need control actuator 3, thus the clamping force of jaws 121 place to tungsten bar can be controlled can be definite value, make it both can not be excessive, also can not be too small, and then effectively ensure tungsten bar crudy.
See Fig. 1, the structure of refinement clamping part 12, clamping part 12 includes some fixture blocks 122, each fixture block 122 encloses and is formed with above-mentioned jaws 121, and each fixture block 122 draws to reduce the bore at jaws 121 place in when slide block 2 moves to the direction near jaws 121 simultaneously, certainly when slide block 2 moves along the direction away from jaws 121, then each fixture block 122 can make the bore of jaws 121 increase, be specially between adjacent fixture block 122 and all there is gap, to make fixture block 122 when shrinking or opening jaws 121, interference can not be produced between adjacent two fixture blocks 122, simultaneously clamping part 12 its also include elastic component, this elastic component is mainly used in strutting above-mentioned fixture block 122 to increase the bore at jaws 121 place.In the present embodiment, normal condition sliding block 2 does not act on each fixture block 122, elastic component keeps former length, when actuator 3 controls slide block 2 along connecting rod 11 to when moving near the direction of jaws 121, slide block 2 can produce active force to each fixture block 122, and active force increases to make elastic component compression gradually, each fixture block 122 is all drawn close to centre, and then make the bore at jaws 121 place reduce gradually to clamp tungsten bar to be processed, otherwise when slide block 2 moves along the direction away from jaws 121, then the active force of slide block 2 to each fixture block 122 reduces gradually, elastic component under the effect of its own resilient, strut each fixture block 122 gradually until each fixture block 122 returns to previous status.Certainly also can be elastomeric material for each fixture block to make, when slide block acts on each fixture block, each fixture block stress deformation is to clamp tungsten bar.
See Fig. 2, optimize above-described embodiment, each fixture block 122 all has the first inclined plane 123 near the surface at connecting rod 11 end position place, each first inclined plane 123 all spreads along the direction away from connecting rod 11, and each first inclined plane 123 is all positioned at same curved surface, accordingly, slide block 2 has the second inclined plane 21 coordinated with each first inclined plane 123, and relative sliding can occur between the two.In the present embodiment, when slide block 2 moves to the direction near jaws 121, second inclined plane 21 is slided along each first inclined plane 123, the oppressive force increased gradually is produced to each first inclined plane 123 simultaneously, and then force elastic component to compress each fixture block 122 to draw close to centre gradually until jaws 121 clamps tungsten bar, otherwise the oppressive force of the second inclined plane 21 to each first inclined plane 123 reduces gradually, then elastic component can order about each fixture block 122 and be back to previous status.Certainly each first inclined plane 123 also can be assembles along the direction away from connecting rod 11, and when the second inclined plane 21 coordinates with each first inclined plane 123, it also can order about jaws 121 and shrink or open.
Refer again to Fig. 1 and Fig. 2, further, the outer surface of connecting rod 11 is provided with the external screw thread 112 extended along its length, namely slide block 2 is sheathed on the external screw thread 112 of connecting rod 11, slide block 2 has the internal thread 22 that can coordinate with connecting rod 11 external screw thread 112 simultaneously, actuator 3 is drive motors 3a accordingly, can order about slide block 2 rotate relative to connecting rod 11 by drive motors 3a.In such an embodiment, drive motors 3a is mounted on ground by a mount pad 32, can certainly be fixedly installed on other object, namely drive motors 3a is descended to be moved in working order, and when drive motors 3a order about between slide block 2 with connecting rod 11 relative rotate time, due between the two for being threaded, then between slide block 2 and connecting rod 11 along the length direction generation relative movement of connecting rod 11, when can be slide block 2 particularly relatively connecting rod 11 rotate clockwise, then slide block 2 moves along the direction near jaws 121, when connecting rod 11 rotates counterclockwise slide block 2 relatively, then slide block 2 moves along the direction away from jaws 121, or also can rotate clockwise for the relative connecting rod 11 of slide block 2, slide block 2 moves along the direction away from jaws 121, and the relative connecting rod 11 of slide block 2 rotates counterclockwise, and slide block 2 moves along the direction near jaws 121.To this, under the effect of drive motors 3a, relatively rotate between slide block 2 and connecting rod 11, and then the contraction of jaws 121 can be controlled or open.
For said structure, the output shaft 3a1 of drive motors 3a can be connected with connecting rod 11, namely connecting rod 11 is driven to rotate by the output shaft 3a1 of drive motors 3a, thus make to produce relative rotation between connecting rod 11 and slide block 2, and fix because drive motors 3a passes through mount pad 32, to this when drive motors 3a works, the position of connecting rod 11 is also relatively fixing, makes slide block 2 move along the length direction of connecting rod 11 this.Being specially between connecting rod 11 and the output shaft 3a1 of drive motors 3a adopts shaft coupling 4 to be connected, by the gearing of shaft coupling 4 with make connecting rod 11 can with the output shaft 3a1 synchronous axial system of drive motors 3a, and in this transmission process, shaft coupling 4 also produces moment of torsion to connecting rod 11, and then ensures that connecting rod 11 can rotate relatively with between slide block 2.Usually, upload be provided with two groups of connecting pins 41 at shaft coupling 4, wherein a connecting pin 41 is for connecting the output shaft 3a1 of shaft coupling 4 and drive motors 3a, and another connecting pin 41 is then for connecting shaft coupling 4 and connecting rod 11.Shaft coupling 4 can be made to be connected with the output shaft 3a1 of drive motors 3a and connecting rod 11 respectively by two groups of connecting pins 41, namely passing through wherein one group of connecting pin 41 makes drive motors 3a drive shaft coupling 4 synchronous rotary, and another group connecting pin 41 then can make shaft coupling 4 drive connecting rod 11 synchronous rotary.
In another embodiment, the output shaft 3a1 of drive motors 3a can be connected with slide block 2, orders about slide block 2 around the axis of connecting rod 11 rotate by drive motors 3a.In the present embodiment, direct-connected between the output shaft 3a1 of drive motors 3a and slide block 2, namely drive motors 3a directly orders about slide block 2 and rotates around connecting rod 11, now slide block 2 is owing to being connected with drive motors 3a, it is relatively fixing, then connecting rod 11 is moved, and then first inclined plane 123 of the second inclined plane 21 to each fixture block 122 that also can realize slide block 2 produces active force.
See Fig. 1, other version can also be adopted for actuator 3, such as actuator 3 is telescopic cylinder (not shown), connecting rod 11 outer surface is the slideway of slide block 2, slide block 2 is sheathed on the outer surface of connecting rod 11, and telescopic cylinder and connecting rod 11 extend in the same way, telescopic cylinder can be arranged at the same side of connecting rod 11, to this, when telescopic cylinder stretches, slide block 2 can be close to jaws 121 along connecting rod 11, on the contrary when telescopic cylinder bounces back then slide block 2 along connecting rod 11 away from jaws 121.The telescopic section of certain telescopic cylinder is not connected with connecting rod 11, and it can be cannula-like structure and being connected with slide block 2, and connecting rod 11 part-structure position in the inner, thus makes telescopic cylinder promote slide block 2 when moving, and connecting rod 11 can not produce interference to it.
The utility model additionally provides a kind of rocking tungsten electrode tip sharpener, comprise body and above-mentioned clamping device, clamping device is installed on body, adopts this pointing machine to process tungsten bar, not only more convenient to the installation of tungsten bar clamping, and tungsten electrode quality after machine-shaping is also higher.
The foregoing is only the utility model preferred embodiment; its structure is not limited to the above-mentioned shape enumerated; all do within spirit of the present utility model and principle any amendment, equivalent to replace and improvement etc., all should be included within protection domain of the present utility model.
Claims (10)
1. a tungsten bar automatic clamping device, comprise the active chuck for sandwiched tungsten bar, described active chuck comprises connecting rod and is positioned at the clamping part of described connecting rod an end portion, described connecting rod has the container cavity for accommodating the described tungsten bar of part, described clamping part has the jaws being communicated with described container cavity and clamping described tungsten bar for activity, described jaws is positioned on the extended line of described container cavity, it is characterized in that: also comprise be sheathed on described connecting rod and can along described connecting rod move to shrink or increase described jaws slide block and for promoting the actuator of described slide block along described connecting rod movement.
2. tungsten bar automatic clamping device as claimed in claim 1, it is characterized in that: described clamping part comprises enclosing and forms described jaws and at described slide block to the some fixture blocks drawing described jaws when moving near the direction of described jaws in, have gap between fixture block described in adjacent two, described clamping part also comprises for strutting each described fixture block to increase the elastic component of the bore of described jaws.
3. tungsten bar automatic clamping device as claimed in claim 2, it is characterized in that: each described fixture block all has along the first inclined plane of spreading laterally away from described connecting rod direction near described connecting rod end position place, described slide block has and to coordinate with each described first inclined plane and can the second inclined plane of relative sliding.
4. the tungsten bar automatic clamping device as described in any one of claim 1-3, it is characterized in that: described connecting rod surface is provided with the external screw thread extended along its length, described slide block has the internal thread coordinated with described external screw thread, and described actuator is order about the drive motors that described slide block rotates relative to described connecting rod.
5. tungsten bar automatic clamping device as claimed in claim 4, is characterized in that: also comprise the shaft coupling that output shaft for connecting described drive motors respectively and described connecting rod rotate around own axes to drive described connecting rod.
6. tungsten bar automatic clamping device as claimed in claim 5, it is characterized in that: described shaft coupling is equipped with two groups of connecting pins, wherein connecting pin described in connects the output shaft of described shaft coupling and described drive motors, and connecting pin described in another connects described shaft coupling and described connecting rod.
7. tungsten bar automatic clamping device as claimed in claim 4, is characterized in that: the output shaft of described drive motors is connected with described slide block and drives described slide block to rotate around described connecting rod axis.
8. tungsten bar automatic clamping device as claimed in claim 4, it is characterized in that: also comprise mount pad, described drive motors is fixedly installed on ground by described mount pad.
9. the tungsten bar automatic clamping device as described in any one of claim 1-3, is characterized in that: described actuator is be connected with described slide block to promote the telescopic cylinder of described slide block along described connecting rod movement.
10. a rocking tungsten electrode tip sharpener, comprises body, it is characterized in that: also comprise the tungsten bar automatic clamping device as described in any one of claim 1-9, and described tungsten bar automatic clamping device is installed on described body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520399675.8U CN204711811U (en) | 2015-06-10 | 2015-06-10 | Tungsten bar automatic clamping device and rocking tungsten electrode tip sharpener |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520399675.8U CN204711811U (en) | 2015-06-10 | 2015-06-10 | Tungsten bar automatic clamping device and rocking tungsten electrode tip sharpener |
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| Publication Number | Publication Date |
|---|---|
| CN204711811U true CN204711811U (en) | 2015-10-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520399675.8U Expired - Fee Related CN204711811U (en) | 2015-06-10 | 2015-06-10 | Tungsten bar automatic clamping device and rocking tungsten electrode tip sharpener |
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| Country | Link |
|---|---|
| CN (1) | CN204711811U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105500151A (en) * | 2015-12-30 | 2016-04-20 | 湖州新兴汽车部件有限公司 | Tungsten needle sharpening device |
| CN106694726A (en) * | 2017-01-18 | 2017-05-24 | 珠海格力智能装备技术研究院有限公司 | Clamping mechanism and pipe fitting machining device with same |
| CN113211250A (en) * | 2020-02-06 | 2021-08-06 | 皇家大师研磨机公司 | Trocar grinding machine |
| CN113385561A (en) * | 2021-05-17 | 2021-09-14 | 珠海格力智能装备有限公司 | Clamping device, clamping base, bending mechanism and bending system |
-
2015
- 2015-06-10 CN CN201520399675.8U patent/CN204711811U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105500151A (en) * | 2015-12-30 | 2016-04-20 | 湖州新兴汽车部件有限公司 | Tungsten needle sharpening device |
| CN106694726A (en) * | 2017-01-18 | 2017-05-24 | 珠海格力智能装备技术研究院有限公司 | Clamping mechanism and pipe fitting machining device with same |
| CN113211250A (en) * | 2020-02-06 | 2021-08-06 | 皇家大师研磨机公司 | Trocar grinding machine |
| CN113385561A (en) * | 2021-05-17 | 2021-09-14 | 珠海格力智能装备有限公司 | Clamping device, clamping base, bending mechanism and bending system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP03 | Change of name, title or address |
Address after: Futian District Shenzhen City, Guangdong province 518000 Shennan Road No. 1006 Shenzhen International Innovation Center C building 15 Floor Patentee after: SHENZHEN WINNER TECHNOLOGY CO., LTD. Address before: 518000, Guangdong, Futian District, Xinzhou South Road, Shenzhen, 2 floor, 6 floor, South half of the floor Patentee before: Shenzhen Weileda Technology Development Co., Ltd. |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151021 Termination date: 20190610 |
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| CF01 | Termination of patent right due to non-payment of annual fee |