CN209969875U - Cooling laser cutting head - Google Patents
Cooling laser cutting head Download PDFInfo
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- CN209969875U CN209969875U CN201920466423.0U CN201920466423U CN209969875U CN 209969875 U CN209969875 U CN 209969875U CN 201920466423 U CN201920466423 U CN 201920466423U CN 209969875 U CN209969875 U CN 209969875U
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- nozzle
- cooling
- cooling block
- cutting head
- laser cutting
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Abstract
The utility model discloses a cooling laser cutting head, which comprises a nozzle and an insulator, wherein the axis of the nozzle is provided with a light channel for laser to pass through, the nozzle is used as an induction electrode of a capacitance sensor, the nozzle is provided with a connector, the insulator is connected with the connector, the nozzle is connected with the laser frame in an insulating way through an insulator, a cooling block is arranged between the nozzle and the insulator and is mutually abutted against the nozzle, the cooling block is arranged on the nozzle which is used as a capacitance electrode, the cooling block is arranged in contact with the nozzle, the nozzle in contact with the cooling block exchanges heat with the cooling block at the same time of exchanging heat, the temperature that the nozzle rose in the course of the work is offset through setting up the cooling block, and the nozzle as the capacitance electrode can maintain a steady temperature to guarantee that nozzle and the direct distance of panel remain stable, make the cutting effect level and smooth even.
Description
Technical Field
The utility model relates to a laser cutting field, concretely relates to cooling laser cutting head.
Background
The high-power laser cutting has become the middle-flow grinding column device for processing metal plates at present, and has the advantages of high processing efficiency, high precision and the like, which are popular in the market. The laser cutting is non-contact cutting, and the laser cutting system senses the distance between the cutting nozzle and the plate through the capacitance between the nozzle and the plate. The distance between the nozzle and the plate is changed to affect the cutting effect, for example, when the laser is used for cutting carbon steel, the standard distance between the nozzle and the plate is 0.7mm, and when the laser is used for cutting stainless steel, the standard distance is 0.5 mm.
When cutting relatively thick carbon steel (20 mm or more), the temperature of the sheet material continues to increase as the cutting progresses. At this time, the nozzle (made of red copper) serving as the induction electrode is also heated, the resistance of the nozzle is increased after heating, and the capacitance between the nozzle and the plate is changed. The distance of the nozzle from the sheet becomes unstable and the cutting quality is reduced.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing an effectual cooling nozzle's water-cooling laser cutting head to the temperature that keeps the nozzle is stable, and keeps the stability of the conduct electric capacity electrode of nozzle, makes the nozzle stable from the distance of panel.
In order to realize the above object, the utility model provides a cooling laser cutting head, including nozzle and insulator, nozzle axle center opens the light passageway that supplies laser to pass through, the nozzle is as capacitance sensor's response electrode, the nozzle is provided with the connector, and the insulator is connected with the connector, and this nozzle passes through insulator and laser frame insulating connection, be provided with the cooling block between nozzle and the insulator, the setting of contradicting each other with the nozzle of cooling block.
As a further improvement of the present invention, the cooling block includes a cooling circulation channel, and the cooling circulation channel includes an inlet and an outlet formed in the outer peripheral wall of the cooling block.
As a further improvement, the cooling block is provided with a mounting hole, the mounting hole is sleeved on the outer wall of the nozzle or the connector, and the cooling block is mutually laminated with the outer wall of the nozzle or the connector.
As a further improvement of the utility model, the cooling circulation channel is arranged around the mounting hole.
As a further improvement of the utility model, the relative horizontal height of the inlet is higher than the relative horizontal height of the outlet.
As a further improvement of the present invention, the material of the cooling block is made of metal, including but not limited to copper, copper alloy, aluminum, and aluminum alloy.
As a further improvement of the present invention, the insulator is provided with a through hole penetrating in the axial direction, and the through hole is used for the wire to pass and be electrically connected with the nozzle.
As the utility model discloses a further improvement, import and export all are provided with the joint, should connect and be provided with mount pad and takeover, the takeover is the bushing structure, take over the cover and establish inside the mount pad to with mount pad integrated into one piece, the takeover is used for aligning each other with outside conveyer pipe and is connected, mount pad and import or export sealing connection, this mount pad have a flange to the extension in the cooling block outer wall outside, and this flange is used for cup jointing outside conveyer pipe.
As a further improvement, the outside cladding of nozzle has metal casing, and this metal casing ground connection sets up, be provided with the collets between metal casing and the nozzle.
The utility model provides a pair of cooling laser cutting head, through set up the cooling piece on the nozzle as the electric capacity electrode, its cooling piece sets up with the nozzle contact, when the cooling piece carries out the heat exchange, also carry out the heat exchange with the nozzle of cooling piece mutual contact, offset the temperature that the nozzle risees in the course of the work through setting up the cooling piece, can maintain a steady temperature as the nozzle of electric capacity electrode to guarantee that nozzle and panel direct distance remain stable, make the cutting effect level and smooth even.
Drawings
Fig. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic sectional view of the present invention.
Description of the drawings: 1. a nozzle; 2. an insulator; 3. a light path; 4. a linker; 5. cooling the block; 6. a cooling circulation passage; 7. an inlet; 8. an outlet; 9. mounting holes; 10. a through hole; 11. a joint; 12. a mounting seat; 13. taking over a pipe; 14. a connecting flange; 15. a metal housing; 16. an insulating block.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings, examples and effect examples, without limiting the present invention.
As shown in fig. 1-2, a cooling laser cutting head includes a nozzle 1 and an insulator 2, an axis of the nozzle 1 is provided with a light channel 3 for laser to pass through, the nozzle 1 is used as an induction electrode of a capacitance sensor, the nozzle 1 is electrically connected with the capacitance sensor, the capacitance sensor is mounted on a cutting head and used for detecting a distance between the nozzle 1 and a plate, the capacitance sensor transmits information to a control unit of a control system for controlling the cutting head to ascend and descend, the control system adjusts the distance between the cutting head and the plate through the control unit, the nozzle 1 is provided with a connector 4, the insulator 2 is connected with the connector 4, the nozzle 1 is in insulation connection with a laser frame through the insulator 2, a cooling block 5 is arranged between the nozzle 1 and the insulator 2, the cooling block 5 and the nozzle 1 are arranged in a mutually abutting manner, and a specific heat exchange manner of the cooling block 5 can adopt a water cooling heat exchange manner or an air cooling heat In another way, the cooling block 5 is attached to the nozzle 1 according to different shapes of the nozzle 1, but specific mounting structures of the cooling block and the nozzle 1 are not limited, and the cooling block can be sleeved on the outer side surface of the nozzle 1 and can also be arranged between the nozzle 1 and the insulator 2, so that the cooling block 5 is stably mounted on the cutting head, and the insulator 2 is preferably a ceramic body and has an insulating and buffering effect.
As a modified specific embodiment, the cooling block 5 comprises a cooling circulation channel 6, the cooling circulation channel 6 comprises an inlet 7 and an outlet 8 arranged on the peripheral wall of the cooling block 5, the cooling circulation channel 6 is arranged inside the cooling block 5 and uniformly exchanges heat with the cooling block 5, the inlet 7 is connected with a cooling delivery pipe or a cooling gas delivery pipe, cooling water or cooling gas can control the heat exchange efficiency by controlling the flow rate of the cooling water or cooling gas, a booster pump is preferably connected to the delivery pipe of the cooling water and cooling gas, a regulating valve is arranged for controlling the flow rate, and the cooling water is preferably circulated and can be provided with a refrigeration auxiliary device on the cooling water delivery pipe when necessary.
As a modified embodiment, the cooling block 5 is provided with a mounting hole 9, the mounting hole 9 is sleeved on the outer wall of the nozzle 1, when the connector 4 is integrally provided with the nozzle 1, the mounting hole 9 is sleeved on the outer wall of the connector 4, the lower end face of the cooling block 5 is attached to the nozzle 1 and is attached to the outer wall of the connector 4, and the cooling block 5 is more stably mounted on the cutting head through the sleeving structure and has a large contact area with the nozzle 1.
As a modified specific embodiment, the cooling circulation channel 6 is arranged around the mounting hole 9, so that the area of the cooling circulation channel 6 can be greatly increased, and the cooling circulation channel 6 is preferably an annular channel, so that the friction resistance of the cooling medium is small when the cooling medium passes through, and the heat conduction efficiency is further improved.
As a modified embodiment, the relative level of the inlet 7 is higher than that of the outlet 8, so that the cooling water or cooling gas can pass through the cooling circulation passage 6 quickly without the aid of a pump.
As a modified specific embodiment, the material of the cooling block 5 is a metal material, including but not limited to copper, copper alloy, aluminum alloy, and preferably red copper, where red copper refers to industrial pure copper containing 99.9%.
As a modified embodiment, the insulator 2 is provided with a through hole 10 penetrating in the axial direction, the through hole 10 is used for a lead to pass through to be electrically connected with the nozzle 1, the other end of the lead is connected with a circuit board, and a power supply and a capacitance sensor are connected through the circuit board, so that the structure is compact.
As a modified specific embodiment, the inlet 7 and the outlet 8 are provided with joints 11, the joints 11 are provided with mounting seats 12 and connecting pipes 13, the connecting pipes 13 are in a sleeve structure, the connecting pipes 13 are sleeved inside the mounting seats 12 and are integrally formed with the mounting seats 12, the connecting pipes 13 are used for being connected with external conveying pipes in an aligned mode, the mounting seats 12 are connected with the inlet 7 or the outlet 8 in a sealing mode, the mounting seats 12 extend towards the outer side of the outer wall of the cooling block 5 to form connecting flanges 14, the connecting flanges 14 are used for being sleeved with the external conveying pipes, and the joints 11 are arranged to ensure that the conveying pipes are connected with the cooling block 5 in a sealing mode so as to prevent cooling media from leaking.
As a modified specific embodiment, the outer side of the nozzle 1 is coated with a metal shell 15, the metal shell 15 is arranged in a grounding mode, an insulating block 16 is arranged between the metal shell 15 and the nozzle 1, the metal shell 15 is arranged, mistaken touch during operation contact is prevented, and safety of workers is guaranteed.
Above only the utility model discloses an it is preferred embodiment, the utility model discloses a scope of protection not only limits in above-mentioned embodiment, and the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (9)
1. A cooled laser cutting head, characterized by: including nozzle (1) and insulator (2), open in nozzle (1) axle center has light passageway (3) that supply laser to pass through, nozzle (1) is as capacitive sensor's response electrode, nozzle (1) is provided with connector (4), and insulator (2) are connected with connector (4), and this nozzle (1) is connected with laser frame insulation through insulator (2), be provided with cooling block (5) between nozzle (1) and insulator (2), cooling block (5) and nozzle (1) conflict each other and set up.
2. A cooled laser cutting head according to claim 1, characterized in that the cooling block (5) comprises a cooling circulation channel (6), which cooling circulation channel (6) comprises an inlet (7) and an outlet (8) arranged in the peripheral wall of the cooling block (5).
3. The cooled laser cutting head according to claim 2, characterized in that the cooling block (5) is provided with a mounting hole (9), the mounting hole (9) is sleeved on the outer wall of the nozzle (1) or the connecting body (4), and the cooling block (5) and the outer wall of the nozzle (1) or the connecting body (4) are attached to each other.
4. A cooled laser cutting head according to claim 3, characterized in that the cooling circulation channel (6) is arranged around the mounting hole (9).
5. A cooled laser cutting head according to claim 4, characterized in that the relative level of the inlet (7) is higher than the relative level of the outlet (8).
6. A cooled laser cutting head according to claim 1, characterized in that the material of the cooling block (5) is a metal material, including but not limited to copper, copper alloy, aluminum alloy.
7. A cooled laser cutting head according to claim 1, characterized in that the insulator body (2) is provided with a through hole (10) running through in the axial direction, which through hole (10) is used for an electrically conductive connection of a wire through to the nozzle (1).
8. The cooling laser cutting head as claimed in claim 2, characterized in that the inlet (7) and the outlet (8) are provided with a joint (11), the joint (11) is provided with a mounting seat (12) and a connecting pipe (13), the connecting pipe (13) is in a sleeve structure, the connecting pipe (13) is sleeved inside the mounting seat (12) and is integrally formed with the mounting seat (12), the connecting pipe (13) is used for being connected with an external conveying pipe in an aligned manner, the mounting seat (12) is connected with the inlet (7) or the outlet (8) in a sealing manner, a connecting flange (14) extends from the mounting seat (12) to the outer side of the outer wall of the cooling block (5), and the connecting flange (14) is used for being sleeved with the external conveying pipe.
9. A cooled laser cutting head according to claim 1, characterized in that the nozzle (1) is externally coated with a metal shell (15), the metal shell (15) being arranged in a grounded manner, and an insulating block (16) being arranged between the metal shell (15) and the nozzle (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920466423.0U CN209969875U (en) | 2019-04-09 | 2019-04-09 | Cooling laser cutting head |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920466423.0U CN209969875U (en) | 2019-04-09 | 2019-04-09 | Cooling laser cutting head |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209969875U true CN209969875U (en) | 2020-01-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920466423.0U Active CN209969875U (en) | 2019-04-09 | 2019-04-09 | Cooling laser cutting head |
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| Country | Link |
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| CN (1) | CN209969875U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109894755A (en) * | 2019-04-09 | 2019-06-18 | 奔腾激光(温州)有限公司 | A kind of cooling laser cutting head |
-
2019
- 2019-04-09 CN CN201920466423.0U patent/CN209969875U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109894755A (en) * | 2019-04-09 | 2019-06-18 | 奔腾激光(温州)有限公司 | A kind of cooling laser cutting head |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 325000 No. 4258, 3rd road, Binhai Park, Wenzhou Economic and Technological Development Zone, Wenzhou City, Zhejiang Province Patentee after: Pentium laser (Zhejiang) Co.,Ltd. Address before: 325000 no.4258, 3rd road, Binhai Park, Wenzhou Economic and Technological Development Zone, Zhejiang Province Patentee before: PENTA LASER (WENZHOU) Co.,Ltd. |
|
| CP03 | Change of name, title or address |