CN219075333U - Tungsten needle grinding clamping device - Google Patents
Tungsten needle grinding clamping device Download PDFInfo
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- CN219075333U CN219075333U CN202223001879.0U CN202223001879U CN219075333U CN 219075333 U CN219075333 U CN 219075333U CN 202223001879 U CN202223001879 U CN 202223001879U CN 219075333 U CN219075333 U CN 219075333U
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- tungsten needle
- tungsten
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
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Abstract
The utility model provides a tungsten needle grinding and clamping device, which relates to the technical field of clamping tools and aims to solve the problems that in the prior art, a tungsten needle is inconvenient to polish and has low safety when being held by a hand, and the tungsten needle grinding and clamping device comprises a tungsten needle pen seat, a tungsten needle chuck and a tungsten needle pen sleeve, wherein a containing cavity is arranged in the tungsten needle pen seat, an inserting hole communicated with the containing cavity is formed in the head end of the tungsten needle pen seat, a clamping part for clamping a tungsten needle is arranged at the head end of the tungsten needle chuck, the tungsten needle chuck is arranged in the containing cavity, the tungsten needle pen sleeve is connected with the tungsten needle pen seat in an adjustable mode, and the head end of the tungsten needle chuck can be abutted against the tungsten needle pen seat to enable the clamping part to be tightened to clamp the tungsten needle. The tungsten needle grinding and clamping device can effectively hold the tungsten needle, prevents an operator from directly holding the tungsten needle by hands, has good stability in the control process, is simple and convenient to operate, is easy to control, has high safety, and improves the grinding efficiency and the machining precision of the tungsten needle.
Description
Technical Field
The utility model relates to the technical field of clamping tools, in particular to a tungsten needle grinding and clamping device.
Background
Tungsten needles are a structurally elongated tungsten article made of pure tungsten or tungsten alloy. The electrode material can be used for argon arc welding technology and also can be used as an instrument probe. Tungsten is a refractory metal material, so that the tungsten-doped aluminum alloy has high temperature resistance, good conductivity and high strength. When argon arc welding is performed, the tungsten needle is used as an electric needle to conduct current and ignite electric arc and maintain stable combustion of the electric arc. The tungsten needle is used as an electrode, and before the tungsten needle is used, the end part of the tungsten needle needs to be ground into a certain taper angle, so that the electric arc is more concentrated.
The traditional tip grinding process of the tungsten needle generally adopts a grinding wheel to grind the tungsten needle at multiple angles by directly holding the tungsten needle by an operator, the tungsten needle is easy to burn due to overheat grinding in the processing process, the operation is dangerous when the tungsten needle is short, and in addition, the grinding process of the hand-held tungsten needle is unstable.
Disclosure of Invention
The utility model aims to provide a tungsten needle grinding and clamping device, which solves the problems of inconvenient grinding operation and low safety of a hand-held tungsten needle in the prior art.
The utility model provides a tungsten needle grinding and clamping device which comprises a tungsten needle pen seat, a tungsten needle chuck and a tungsten needle pen sleeve, wherein an accommodating cavity is formed in the tungsten needle pen seat, an insertion hole communicated with the accommodating cavity is formed in the head end of the tungsten needle pen seat, a clamping part for clamping a tungsten needle is arranged at the head end of the tungsten needle chuck, the tungsten needle chuck is arranged in the accommodating cavity, and the tungsten needle pen sleeve is connected with the tungsten needle pen seat in an adjustable mode and can enable the head end of the tungsten needle chuck to abut against the tungsten needle pen seat to enable the clamping part to be tightened so as to clamp the tungsten needle.
As a preferable scheme of the utility model, a perforation penetrating through the length direction of the tungsten needle chuck is arranged in the tungsten needle chuck, the clamping part comprises a plurality of clamping petals, the clamping petals are uniformly distributed by taking the axis of the perforation as the center, and a crack parallel to the axis of the perforation is arranged between two adjacent clamping petals.
As a preferable scheme of the utility model, the head end of the clamping part is provided with a first inclined plane which is used for connecting the end face of the clamping part and the outer side wall of the clamping part, the diameter of the accommodating cavity of the tungsten needle pen holder is larger than that of the inserting hole, the accommodating cavity and the inserting hole are coaxially arranged, the inner wall of the inserting hole is connected with the inner wall of the accommodating cavity through a second inclined plane, and the included angle between the second inclined plane and the axis of the accommodating cavity is smaller than that between the first inclined plane and the axis of the tungsten needle chuck.
As a preferable scheme of the utility model, an inner thread is arranged at the inner side of one end, far away from the insertion hole, of the tungsten needle pen holder, the tail end of the tungsten needle chuck extends to the inner thread when the tungsten needle chuck is arranged in the accommodating cavity, an outer thread is arranged at the head end of the tungsten needle pen sleeve, and the tungsten needle pen sleeve is connected with the tungsten needle pen holder in an adjustable mode through the thread.
As a preferable mode of the utility model, a containing hole is arranged in the tungsten needle pen cap, the containing hole extends from the head end to the tail end, and the containing hole is in butt joint with the perforation.
In a preferred embodiment of the present utility model, an inner diameter of the through hole at an end of the clamping portion is smaller than an inner diameter of the through hole at an end of the through hole away from the clamping portion.
As a preferable scheme of the utility model, the tungsten needle pen holder further comprises a rotating sleeve, wherein the outer side face of the tungsten needle pen holder is provided with a limiting groove arranged along the periphery of the tungsten needle pen holder, and the rotating sleeve is arranged in the limiting groove and can rotate relative to the tungsten needle pen holder.
As a preferable scheme of the utility model, the two side groove walls of the limit groove comprise elastic check rings and limit tables arranged on the tungsten needle pen holder, the limit tables are arranged at one end close to the insertion hole, a baffle groove arranged along the periphery of the baffle groove is arranged at one end, far away from the insertion hole, of the outer side surface of the tungsten needle pen holder, and the elastic check rings are arranged in the baffle groove.
As a preferable scheme of the utility model, the diameter of one end of the tungsten needle pen cap, which is provided with the external thread, is larger than that of the tungsten needle chuck, an inward concave conical groove is formed in the end face of the head end of the tungsten needle pen cap, and the conical groove is formed along the periphery of the accommodating hole.
As a preferable mode of the utility model, the outer side of one end of the tungsten needle pen holder provided with the insertion hole is in a convex conical shape.
Compared with the prior art, the utility model has the following positive effects:
1. the utility model provides a tungsten needle grinding and clamping device which comprises a tungsten needle pen seat, a tungsten needle chuck and a tungsten needle pen sleeve, wherein an accommodating cavity is formed in the tungsten needle pen seat, an insertion hole communicated with the accommodating cavity is formed in the head end of the tungsten needle pen seat, a clamping part for clamping a tungsten needle is arranged at the head end of the tungsten needle chuck, the tungsten needle chuck is arranged in the accommodating cavity, the tungsten needle pen sleeve is connected with the tungsten needle pen seat in an adjustable mode, and the head end of the tungsten needle chuck can be abutted against the tungsten needle pen seat to enable the clamping part to be tightened to clamp the tungsten needle. When the tungsten needle grinding and clamping device is used, firstly, the tungsten needle pen cap is unscrewed, the tungsten needle to be ground is inserted into the clamping part of the tungsten needle chuck in the tungsten needle pen seat from the insertion hole at the front end, the leakage length of the tungsten needle is manually adjusted, then the tungsten needle pen cap is manually screwed, and at the moment, the clamping part of the tungsten needle chuck elastically deforms by the thrust of forward movement of the front end of the tungsten needle pen cap so as to clamp the tungsten needle. In the process of grinding the tungsten needle by adopting the grinding wheel, an operator controls the tungsten needle by holding the tungsten needle pen cap by hand, so that the operator is prevented from directly holding the tungsten needle by hand, the stability of the control process is good, the operation is simple and convenient, the control is easy, the safety is high, and the grinding efficiency and the machining precision of the tungsten needle are improved.
Drawings
In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic view showing the external structure of a tungsten needle grinding and clamping device according to the present utility model;
FIG. 2 is a front view of the tungsten needle grinding and clamping device of the present utility model;
FIG. 3 is a cross-sectional view of A-A of FIG. 2;
fig. 4 is an exploded view of the tungsten needle grinding and clamping device of the present utility model.
In the figure: 1. a tungsten needle pen holder; 11. a receiving chamber; 12. an insertion hole; 13. a second inclined surface; 14. an internal thread; 15. a limiting table; 16. a blocking groove; 2. a tungsten needle chuck; 21. perforating; 22. a clamping part; 221. clamping petals; 222. a crack; 23. a first inclined surface; 3. a tungsten needle pen cap; 31. an accommodation hole; 32. an external thread; 33. a conical groove; 4. a rotating sleeve; 5. a circlip; 51. and (5) breaking the seam.
Detailed Description
In the description of the present utility model, it is to be noted that, unless otherwise indicated, the meaning of "plurality" means two or more; the terms "upper," "lower," "front," "rear," "left," "right," "top," "bottom," "inner," "outer," "front," "rear," "head," "tail," and the like are merely for convenience in describing and simplifying the utility model based on the orientation or positional relationship shown in the drawings and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the utility model. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present utility model, it should also be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium. The specific meaning of the above terms in the present utility model can be understood as appropriate by those of ordinary skill in the art.
The following describes the embodiments of the present utility model in further detail with reference to the drawings.
Example 1:
the tungsten needle grinding and clamping device provided by the embodiment, as shown in fig. 1-4, comprises a tungsten needle pen holder 1, a tungsten needle chuck 2 and a tungsten needle pen cap 3. The tungsten needle pen holder 1 is internally provided with a containing cavity 11, the head end of the tungsten needle pen holder 1 is provided with an insertion hole 12 communicated with the containing cavity 11, and the head end of the tungsten needle chuck 2 is provided with a clamping part 22 for clamping a tungsten needle. The tungsten needle chuck 2 is arranged in the accommodating cavity 11, the tungsten needle pen cap 3 is adjustably connected with the tungsten needle pen stand 1, and the head end of the tungsten needle chuck 2 can be abutted against the tungsten needle pen stand 1 to enable the clamping part 22 to be tightened to clamp the tungsten needle.
When the tungsten needle grinding and clamping device of the embodiment is used, firstly, the tungsten needle pen cap 3 is unscrewed, a tungsten needle to be ground is inserted into the clamping part 22 of the tungsten needle chuck 2 in the tungsten needle pen holder 1 from the insertion hole 12 at the front end, the leakage length of the tungsten needle is manually adjusted, then the tungsten needle pen cap 3 is manually screwed, and at the moment, the clamping part 22 of the tungsten needle chuck 2 elastically deforms by the thrust of forward movement of the front end of the tungsten needle pen cap 3 so as to clamp the tungsten needle.
In the process of grinding the tungsten needle by adopting the grinding wheel, an operator controls the tungsten needle by holding the tungsten needle pen cap 3 by hand, so that the operator is prevented from directly holding the tungsten needle by hand, the stability of the control process is good, the operation is simple and convenient, the control is easy, the safety is high, and the grinding efficiency and the machining precision of the tungsten needle are improved.
Preferably, as shown in fig. 3 and 4, a through hole 21 penetrating the length direction of the tungsten needle holder 2 is provided in the tungsten needle holder 2. The clamping portion 22 includes a plurality of clamping flaps 221, the plurality of clamping flaps 221 are uniformly distributed with the axis of the through hole 21 as the center, and a slit 222 parallel to the axis of the through hole 21 is provided between two adjacent clamping flaps 221. The tungsten needle holder 2 is made of elastic metal, such as copper.
In the tungsten needle grinding and clamping device of the present embodiment, during the process of clamping the tungsten needle, the tungsten needle is inserted into the tungsten needle pen holder 1 from the insertion hole 12 and is inserted into the through hole 21 of the tungsten needle chuck 2 from the clamping portion 22, the plurality of clamping flaps 221 surround the periphery of the tungsten needle, and when the clamping portion 22 of the tungsten needle chuck 2 abuts against the head end of the tungsten needle pen holder 1, the plurality of clamping flaps 221 are mutually closed by the pressing force, so that the tungsten needle is clamped inside.
Preferably, as shown in fig. 3, the head end of the clamping portion 22 is provided with a first inclined surface 23 connecting the end surface of the clamping portion 22 and the outer side wall of the clamping portion. The diameter of the accommodating cavity 11 of the tungsten needle pen holder 1 is larger than that of the insertion hole 12, and the accommodating cavity 11 and the insertion hole 12 are coaxially arranged. The inner wall of the insertion hole 12 is connected with the inner wall of the accommodating chamber 11 through a second inclined surface 13. The included angle b between the second inclined surface 13 and the axis of the accommodating cavity 11 is smaller than the included angle a between the first inclined surface 23 and the axis of the tungsten needle holder 2.
When the clamping portion 22 of the tungsten needle holder 2 in this embodiment abuts against the head end of the tungsten needle holder 1, the inner hole conical surface formed by the second inclined surface 13 and the outer conical surface formed by the first inclined surface 23 on the tungsten needle holder 2 are automatically and concentrically matched, so that the second inclined surface 13 has inward extrusion force on the first inclined surface 23, and further the clamping portion 22 of the tungsten needle holder 2 is elastically deformed to be tightened inwards, so as to clamp the tungsten needle.
Preferably, as shown in fig. 3, an inner thread 14 is arranged at the inner side of one end, far away from the insertion hole 12, of the tungsten needle pen stand 1, the tail end of the tungsten needle chuck 2 extends to the inner thread 14 when being arranged in the accommodating cavity 11, an outer thread 32 is arranged at the head end of the tungsten needle pen cap 3, and the tungsten needle pen cap 3 is connected with the tungsten needle pen stand 1 in an adjustable mode through threads.
Specifically, when the tungsten needle pen cap 3 in this embodiment is connected with the tungsten needle pen holder 1 through a screw thread, the pushing degree of the tungsten needle pen cap 3 to the tail end of the tungsten needle chuck 2 can be adjusted, so as to adjust the clamping degree of the clamping portion 22 of the tungsten needle chuck 2.
Preferably, a receiving hole 31 is provided in the tungsten needle holder 3, the receiving hole 31 is extended from the head end to the tail end, and the receiving hole 31 is abutted with the through hole 21.
Specifically, when the tungsten needle is clamped in the tungsten needle grinding and clamping device of the present embodiment, the tungsten needle can pass through the through hole 21 of the tungsten needle holder 2 into the accommodation hole 31 of the tungsten needle pen cap 3 according to the length of the tungsten needle.
Preferably, the inner diameter of the perforation 21 at the end of the clamping portion 22 is smaller than the inner diameter of the perforation at the end remote from the clamping portion 22. The tightening action in one end of the clamping portion 22 is able to hold the tungsten needle tighter as it penetrates into the bore 21 of the tungsten needle holder 2.
Preferably, the tungsten needle grinding and clamping device of the present embodiment further includes a rotating sleeve 4, a limit groove disposed along a circumference of the outer side surface of the tungsten needle pen stand 1 is disposed on the outer side surface of the tungsten needle pen stand 1, and the rotating sleeve 4 is disposed in the limit groove and can rotate relative to the tungsten needle pen stand 1.
In this embodiment, the rotating sleeve 4 is disposed on the outer side of the tungsten needle pen stand 1, so that the tungsten needle can be held by one hand in the grinding process, and the tungsten needle can be rotated by the other hand to rotate the tungsten needle pen stand 3, so that the tungsten needle can be in a rotating state, and the front end of the tungsten needle can be ground circumferentially on the grinder. The setting of changeing cover 4 makes the operator can use two hands to control the tungsten needle grinding clamping device of this embodiment simultaneously, and changeing cover 4 can rotate for the overall structure that tungsten needle pen holder 1, tungsten needle chuck 2 and tungsten needle pen cap 3 constitute, fixes a position this overall structure, makes the operator control the effect better, and the operation is more stable to can manual control rotation speed, the flexibility of operation is stronger.
Preferably, the two side groove walls of the limit groove comprise the circlip 5 and the limit table 15 arranged on the tungsten needle pen stand. The limit table 15 is disposed at one end close to the insertion hole 12, a blocking groove 16 is disposed along the outer periphery of the end far away from the insertion hole 12 on the outer side surface of the tungsten needle pen stand 1, and the circlip 5 is disposed in the blocking groove 16. The elastic retainer ring 5 is provided with a break seam 51, and the break seam 51 enables the elastic retainer ring 5 to have an internal and external shrinkage effect, so that the elastic retainer ring is convenient to install in the baffle groove 16.
When the rotating sleeve 4 is installed on the outer side of the tungsten needle pen stand 1, the rotating sleeve 4 is sleeved on the outer side of the tungsten needle pen stand 1 from the tail end of the tungsten needle pen stand 1, pushed to abut against the limiting table 15, and then the elastic retainer ring 5 is arranged in the blocking groove 16, so that the rotating sleeve 4 is limited.
Preferably, as shown in fig. 3, the diameter of the end of the tungsten needle pen cap 3 provided with the external thread 32 is larger than the diameter of the tungsten needle holder 2, and an inward concave conical groove 33 is provided on the end face of the head end of the tungsten needle pen cap 3, and the conical groove 33 is provided along the peripheral side of the accommodation hole 31.
When the tungsten needle pen cap 3 is screwed with the tungsten needle pen holder 1 through the screw thread, the conical groove 33 pushes the tail end of the tungsten needle chuck 2 and limits the tail end of the tungsten needle chuck 2, so that the tungsten needle pen cap 3 and the tungsten needle chuck 2 can move coaxially.
Preferably, the outer side of one end of the tungsten needle pen holder 1 provided with the insertion hole 12 is in a convex cone shape, so that the tungsten needle is convenient to grind.
The above description is only of the preferred embodiments of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art can make several variations and modifications without departing from the inventive concept, and it is intended to cover the scope of the present utility model.
Claims (10)
1. The utility model provides a tungsten needle grinding clamping device, its characterized in that includes tungsten needle pen holder (1), tungsten needle chuck (2) and tungsten needle pen cap (3), be provided with holding chamber (11) in tungsten needle pen holder (1) the head end of tungsten needle pen holder (1) be provided with holding chamber (11) intercommunication's insertion hole (12), the head end of tungsten needle chuck (2) is provided with clamping part (22) that are used for holding the tungsten needle, tungsten needle chuck (2) set up in holding chamber (11), tungsten needle pen cap (3) with tungsten needle pen holder (1) adjustable connection and can with the head end of tungsten needle chuck (2) to support on tungsten needle pen holder (1) and make clamping part (22) tighten up tightly to press from both sides the tungsten needle.
2. The tungsten needle grinding and clamping device according to claim 1, wherein a through hole (21) penetrating through the tungsten needle chuck (2) in the length direction is formed in the tungsten needle chuck (2), the clamping portion (22) comprises a plurality of clamping flaps (221), the plurality of clamping flaps (221) are uniformly distributed with the axis of the through hole (21) as the center, and a slit (222) parallel to the axis of the through hole (21) is formed between two adjacent clamping flaps (221).
3. The tungsten needle grinding and clamping device according to claim 1, wherein the head end of the clamping part (22) is provided with a first inclined surface (23) for connecting the end surface of the clamping part (22) with the outer side wall of the clamping part, the diameter of the accommodating cavity (11) of the tungsten needle pen holder (1) is larger than that of the inserting hole (12), the accommodating cavity (11) and the inserting hole (12) are coaxially arranged, the inner wall of the inserting hole (12) is connected with the inner wall of the accommodating cavity (11) through a second inclined surface (13), and an included angle between the second inclined surface (13) and the axis of the accommodating cavity (11) is smaller than that between the first inclined surface (23) and the axis of the tungsten needle chuck (2).
4. The tungsten needle grinding and clamping device according to claim 2, wherein an inner thread (14) is arranged on the inner side of one end, far away from the insertion hole (12), of the tungsten needle pen holder (1), the tail end of the tungsten needle chuck (2) extends to the inner thread (14) when the tungsten needle chuck (2) is installed in the accommodating cavity (11), an outer thread (32) is arranged on the head end of the tungsten needle pen cap (3), and the tungsten needle pen cap (3) is connected with the tungsten needle pen holder (1) in an adjustable mode through threads.
5. A tungsten needle grinding and clamping device according to claim 4, characterized in that a containing hole (31) is arranged in the tungsten needle pen cap (3), the containing hole (31) extends from the head end to the tail end, and the containing hole (31) is in butt joint with the perforation (21).
6. A tungsten needle grinding holding arrangement according to claim 2, characterized in that the inner diameter of the perforation (21) at the end of the holding portion (22) is smaller than the inner diameter of the perforation at the end remote from the holding portion (22).
7. The tungsten needle grinding and clamping device according to claim 1, further comprising a rotating sleeve (4), wherein a limit groove arranged along the periphery of the tungsten needle pen holder (1) is formed in the outer side face of the tungsten needle pen holder (1), and the rotating sleeve (4) is arranged in the limit groove and can rotate relative to the tungsten needle pen holder (1).
8. The tungsten needle grinding and clamping device according to claim 7, wherein two side groove walls of the limiting groove comprise elastic check rings (5) and limiting tables (15) arranged on the tungsten needle pen holder, the limiting tables (15) are arranged at one ends close to the insertion holes (12), a baffle groove (16) arranged along the periphery of the baffle groove is arranged at one end, away from the insertion holes (12), of the outer side surface of the tungsten needle pen holder (1), and the elastic check rings (5) are arranged in the baffle groove (16).
9. The tungsten needle grinding and clamping device according to claim 5, wherein the diameter of one end of the tungsten needle pen cap (3) provided with the external thread (32) is larger than that of the tungsten needle chuck (2), an inward concave conical groove (33) is formed in the end face of the head end of the tungsten needle pen cap (3), and the conical groove (33) is formed along the periphery of the accommodating hole (31).
10. The tungsten needle grinding and clamping device according to claim 1, wherein the outer side of one end of the tungsten needle pen holder (1) provided with the insertion hole (12) is in a convex conical shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223001879.0U CN219075333U (en) | 2022-11-10 | 2022-11-10 | Tungsten needle grinding clamping device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223001879.0U CN219075333U (en) | 2022-11-10 | 2022-11-10 | Tungsten needle grinding clamping device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219075333U true CN219075333U (en) | 2023-05-26 |
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ID=86400891
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223001879.0U Active CN219075333U (en) | 2022-11-10 | 2022-11-10 | Tungsten needle grinding clamping device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219075333U (en) |
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2022
- 2022-11-10 CN CN202223001879.0U patent/CN219075333U/en active Active
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