CN210548780U - Nozzle and plasma arc cutting torch using same - Google Patents
Nozzle and plasma arc cutting torch using same Download PDFInfo
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- CN210548780U CN210548780U CN201921107961.7U CN201921107961U CN210548780U CN 210548780 U CN210548780 U CN 210548780U CN 201921107961 U CN201921107961 U CN 201921107961U CN 210548780 U CN210548780 U CN 210548780U
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Abstract
The utility model discloses a nozzle and a plasma arc cutting torch using the nozzle, wherein the nozzle comprises a nozzle body; a stepped through hole is formed in the middle of the nozzle body; a first annular boss is arranged at the end part of the nozzle body; the edge of the first annular boss is provided with two arc-shaped lugs which are arranged in a central symmetry manner by using the central axis of the first annular boss; a plurality of first through holes penetrating through the peripheral wall of the nozzle body are uniformly distributed on the peripheral surface of the nozzle body along the circumferential direction. The utility model discloses an edge at the first boss of nozzle tip has set up the lug that is central symmetry, has the nozzle of different lug sizes through the change for the lug can shelter from the venthole of different quantity, realizes the change of the gas flow rate, only needs to change the nozzle, need not to change the wearing parts, and is easy and simple to handle, has improved work efficiency.
Description
Technical Field
The utility model belongs to the technical field of the arc cutting torch and specifically relates to a nozzle and use plasma arc cutting torch of this nozzle are related to.
Background
Plasma arc torches are widely used for cutting and marking materials. Plasma arc torches typically include an electrode, a nozzle, a swirl ring to control the flow of plasma gases, a protective cap to protect the nozzle from splatter damage, and a retaining cap to connect the torch, nozzle, and protective cap.
Plasma arc torches can operate at different current levels. However, the required process parameters are different at different current steps and the required flow rate of the shielding gas is also different. Meanwhile, the wearing parts (the electrode, the nozzle and the protective cap) used by different current gears are different.
The current common method realizes work under different current levels by replacing the wearing parts, but because the corresponding air pressure is not adjusted well, the wearing parts can be damaged early, and even the cutting performance and quality are influenced.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a to among the prior art because do not adjust the atmospheric pressure that corresponds, lead to the problem of the too early damage of vulnerable part and provide a nozzle and use the plasma arc cutting torch of this nozzle.
Realize the utility model discloses the technical scheme of purpose is: a nozzle comprising a nozzle body; a stepped through hole is formed in the middle of the nozzle body; a first annular boss is arranged at the end part of the nozzle body; the edge of the first annular boss is provided with two arc-shaped lugs which are arranged in a central symmetry manner by using the central axis of the first annular boss; a plurality of first through holes penetrating through the peripheral wall of the nozzle body are uniformly distributed on the peripheral surface of the nozzle body along the circumferential direction.
The lugs are arc-shaped.
A plasma arc cutting torch comprises a cutting torch body and a nozzle body; a stepped through hole is formed in the middle of the nozzle body; a first annular boss is arranged at the end part of the nozzle body; the edge of the first annular boss is provided with two arc-shaped lugs which are arranged in a central symmetry manner by using the central axis of the first annular boss; a plurality of first through holes communicated with the large ends of the stepped through holes are uniformly distributed on the peripheral surface of the nozzle body along the circumferential direction; the arc cutting torch body comprises an electrode arranged on the arc cutting torch body; one end of the electrode extends into the stepped through hole of the nozzle body; the electrode is sleeved with a vortex ring; a fixed cover used for installing the nozzle body on the vortex ring is arranged on the outer side of the vortex ring, and a gap is formed between the vortex ring and the fixed cover; the end part of the fixed cover is provided with a second annular boss positioned with the first annular boss of the nozzle body; a plurality of air outlet holes are uniformly distributed on the second annular boss along the circumferential direction; the air outlet is positioned between the outer wall of the first annular boss and the inner wall of the fixed cover; the lug shields one or both of the vent holes.
The lug is arc-shaped, and the outer peripheral surface of the lug is in contact with the inner peripheral surface of the fixed cover.
And a third annular boss positioned with the second annular boss on the fixed cover is arranged on the outer peripheral surface of the nozzle body along the circumferential direction.
The nozzle body is sleeved with a protective cover; one end of the protective cover is clamped with the fixed cover.
By adopting the technical scheme, the utility model discloses following beneficial effect has: (1) the utility model discloses an edge at the first boss of nozzle tip has set up the lug that is central symmetry, has the nozzle of different lug sizes through the change for the lug can shelter from the venthole of different quantity, realizes the change of the gas flow rate, only needs to change the nozzle, need not to change the wearing parts, and is easy and simple to handle, has improved work efficiency.
(2) The utility model discloses a lug is the arc type to the outer peripheral face of lug and the inner peripheral surface contact of fixed cover, the location and the installation of the nozzle body of being convenient for.
(3) The utility model discloses be equipped with along circumference on the outer peripheral face of nozzle body with the third annular boss of the second annular boss location on the fixed cover, the installation of the nozzle body of further being convenient for nozzle installation is more stable.
(4) The utility model discloses a set up the protective sheath, use safelyr.
(5) The utility model discloses a safety cover and fixed cover joint, convenient to detach.
Drawings
In order that the present invention may be more readily and clearly understood, the following detailed description of the present invention is given in conjunction with the accompanying drawings, in which
Fig. 1 is a schematic structural view of the nozzle of the present invention.
Fig. 2 is a top view of the present invention.
Fig. 3 is a cross-sectional view of B-B in fig. 2.
FIG. 4 is a schematic view of the plasma arc cutting torch of the present invention.
Fig. 5 is a schematic view of the nozzle mounting structure of the present invention.
3 fig. 3 6 3 is 3 a 3 sectional 3 view 3 taken 3 along 3 line 3 a 3- 3 a 3 in 3 fig. 3 4 3. 3
The reference numbers in the drawings are:
the arc cutting torch comprises a nozzle body 1, a step through hole 1-1, a first annular boss 1-2, a lug 1-3, a first through hole 1-4, a third annular boss 1-5, an arc cutting torch body 2, an electrode 2-1, a swirl ring 2-2, a fixed cover 2-3, a clamping block 2-3-1, a second annular boss 2-4, an air outlet 2-4-1, a protective cover 2-5 and a clamping groove 2-5-1.
Detailed Description
(example 1)
Referring to fig. 1 to 6, a nozzle of the present embodiment includes a nozzle body 1.
The middle part of the nozzle body 1 is provided with a step through hole 1-1. The end of the nozzle body 1 is provided with a first annular boss 1-2. The edge of the first annular boss 1-2 is provided with two arc-shaped lugs 1-3 which are arranged in a central symmetry manner by using the central axis of the first annular boss 1-2. A plurality of first through holes 1-4 communicated with the large ends of the stepped through holes 1-1 are uniformly distributed on the peripheral surface of the nozzle body 1 along the circumferential direction.
(example 2)
The plasma arc torch of the present embodiment includes a torch body 2 and a nozzle body 1.
The middle part of the nozzle body 1 is provided with a step through hole 1-1. The right end of the nozzle body 1 is provided with a first annular boss 1-2. The edge of the first annular boss 1-2 is provided with two arc-shaped lugs 1-3 which are arranged in a central symmetry manner by using the central axis of the first annular boss 1-2. A plurality of first through holes 1-4 penetrating through the peripheral wall of the nozzle body 1 are uniformly distributed on the peripheral surface of the nozzle body 1 along the circumferential direction, and the first through holes 1-4 are positioned at the rear end of the nozzle body 1.
The arc torch body 2 includes an electrode 2-1 disposed on the arc torch body 2. One end of the electrode 2-1 extends into the stepped through hole 1-1 of the nozzle body 1. The electrode 2-1 is sleeved with a vortex ring 2-2. The outer side of the vortex ring 2-2 is provided with a fixed cover 2-3 used for installing the nozzle body 1 on the vortex ring 2-2, and a gap is arranged between the vortex ring 2-2 and the fixed cover 2-3. The end of the fixed cover 2-3 is provided with a second annular boss 2-4 which is positioned with the first annular boss 1-2 of the nozzle body 1. A plurality of air outlet holes 2-4-1 are uniformly distributed on the second annular boss 2-4 along the circumferential direction, and the number of the air outlet holes 2-4-1 is preferably 10. The air outlet 2-4-1 is positioned between the outer wall of the first annular boss 1-2 and the inner wall of the fixed cover 2-3. The lug 1-3 at least covers two air outlet holes 2-4-1, and at most covers eight air outlet holes 2-4-1.
In order to facilitate the positioning and mounting of the nozzle body 1, the lugs 1-3 are arranged in an arc shape, and the outer circumferential surfaces of the lugs 1-3 are in contact with the inner circumferential surfaces of the fixed shrouds 2-3.
To further facilitate the mounting of the nozzle body 1, a third annular boss 1-5 is provided on the outer circumferential surface of the nozzle body 1 in the circumferential direction to be positioned with the second annular boss 2-4 on the stationary shroud 2-3.
In order to improve the use safety, a protective cover 2-5 is sleeved on the nozzle body 1.
One end of the protective cover 2-5 is clamped with the fixed cover 2-3 for facilitating the disassembly of the protective cover. The inner wall of the protective cover 2-5 is provided with a step-shaped clamping groove 2-5-1, and the outer wall of the fixed cover 2-3 is provided with a clamping block 2-3-1 matched with the clamping groove 2-5-1.
The plasma arc cutting torch of this embodiment has the nozzle of different lug sizes through the change for the lug can shelter from the venthole of different quantity, realizes the change of gas flow rate, only needs to change the nozzle, need not to change the vulnerable part, and is easy and simple to handle, has improved work efficiency.
The above-mentioned embodiments, further detailed description of the objects, technical solutions and advantages of the present invention, it should be understood that the above-mentioned embodiments are only specific embodiments of the present invention, and are not intended to limit the present invention, and any modifications, equivalent substitutions, improvements, etc. made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (7)
1. A nozzle, characterized by: comprises a nozzle body (1); a stepped through hole (1-1) is formed in the middle of the nozzle body (1); a first annular boss (1-2) is arranged at the end part of the nozzle body (1); the edge of the first annular boss (1-2) is provided with two arc-shaped lugs (1-3) which are arranged in a central symmetry manner by using the central axis of the first annular boss (1-2); the outer circumferential surface of the nozzle body (1) is uniformly provided with a plurality of first through holes (1-4) which penetrate through the outer circumferential wall of the nozzle body along the circumferential direction.
2. A nozzle as claimed in claim 1, wherein: the lugs (1-3) are arc-shaped.
3. A plasma arc torch, comprising: comprises an arc cutting torch body (2) and a nozzle body (1); a stepped through hole (1-1) is formed in the middle of the nozzle body (1); a first annular boss (1-2) is arranged at the end part of the nozzle body (1); the edge of the first annular boss (1-2) is provided with two arc-shaped lugs (1-3) which are arranged in a central symmetry manner by using the central axis of the first annular boss (1-2); a plurality of first through holes (1-4) communicated with the large end of the stepped through hole (1-1) are uniformly distributed on the peripheral surface of the nozzle body (1) along the circumferential direction; the arc cutting torch body (2) comprises an electrode (2-1) arranged on the arc cutting torch body (2); one end of the electrode (2-1) extends into the stepped through hole (1-1) of the nozzle body (1); the electrode (2-1) is sleeved with a vortex ring (2-2); a fixed cover (2-3) used for installing the nozzle body (1) on the vortex ring (2-2) is arranged on the outer side of the vortex ring (2-2), and a gap is formed between the vortex ring (2-2) and the fixed cover (2-3); a second annular boss (2-4) positioned with the first annular boss (1-2) of the nozzle body (1) is arranged at the end part of the fixed cover (2-3); a plurality of air outlet holes (2-4-1) are uniformly distributed on the second annular boss (2-4) along the circumferential direction; the air outlet (2-4-1) is positioned between the outer wall of the first annular boss (1-2) and the inner wall of the fixed cover (2-3); the lug (1-3) can at least shield one air outlet hole (2-4-1).
4. A plasma arc torch as in claim 3 wherein: the lug (1-3) is arc-shaped, and the arc center of the lug (1-3) is positioned on the central axis of the first annular boss (1-2).
5. A plasma arc torch as in claim 3 wherein: and a third annular boss (1-5) positioned with the second annular boss (2-4) on the fixed cover (2-3) is arranged on the peripheral surface of the nozzle body (1) along the circumferential direction.
6. A plasma arc torch as in claim 3 wherein: the nozzle body (1) is sleeved with a protective cover (2-5).
7. The plasma arc torch of claim 6 wherein: one end of the protective cover (2-5) is clamped with the fixed cover (2-3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921107961.7U CN210548780U (en) | 2019-07-16 | 2019-07-16 | Nozzle and plasma arc cutting torch using same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921107961.7U CN210548780U (en) | 2019-07-16 | 2019-07-16 | Nozzle and plasma arc cutting torch using same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210548780U true CN210548780U (en) | 2020-05-19 |
Family
ID=70670421
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921107961.7U Active CN210548780U (en) | 2019-07-16 | 2019-07-16 | Nozzle and plasma arc cutting torch using same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210548780U (en) |
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2019
- 2019-07-16 CN CN201921107961.7U patent/CN210548780U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 213000 No.9, environmental protection Third Road, national environmental protection industrial park, Xinbei District, Changzhou City, Jiangsu Province Patentee after: Changzhou TELMA Technology Co.,Ltd. Address before: 213000 No.9, environmental protection Third Road, national environmental protection industrial park, Xinbei District, Changzhou City, Jiangsu Province Patentee before: TERMMEI TORCH & TIP Co. |