CN210387977U - Cutting head for laser cutting machine - Google Patents
Cutting head for laser cutting machine Download PDFInfo
- Publication number
- CN210387977U CN210387977U CN201921355136.9U CN201921355136U CN210387977U CN 210387977 U CN210387977 U CN 210387977U CN 201921355136 U CN201921355136 U CN 201921355136U CN 210387977 U CN210387977 U CN 210387977U
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- ring
- base
- seat
- adjusting
- lens
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Abstract
The utility model discloses a cutting head used on a laser cutting machine, a plurality of positioning screws are screwed on a base after sequentially penetrating through a mounting seat, a compression ring, a lens seat and a connecting cylinder from top to bottom, and light guide holes which are penetrated up and down are formed in the middle parts of the mounting seat, the compression ring, the lens seat, the connecting cylinder, the base and an adjusting seat; an adjusting ring sleeve is sleeved on the adjusting seat and the base, the upper end of the adjusting ring sleeve is sleeved on the base in a rotating manner, a first internal thread is arranged on the inner wall of the lower end of the adjusting ring sleeve, a first external thread matched with the first internal thread is arranged on the outer side of the adjusting seat, and the nozzle is tightly connected to the bottom of the adjusting seat through a pressing ring sleeve; be provided with the focus lens in the microscope base, one side of microscope base is provided with the water cooling unit, is provided with its inside pressurize air-intake connector of intercommunication on the lateral wall of connecting cylinder, and the below that lies in the focus lens on the lateral wall of microscope base is provided with the hole of disappointing, and the downthehole end cap that is provided with loses heart. The cutting head is used for a laser cutting machine and has good heat dissipation performance.
Description
Technical Field
The utility model relates to a laser cutting machine, concretely relates to a cutting head for on laser cutting machine.
Background
The laser cutting head is a core component in laser processing, and laser cutting is to irradiate a workpiece surface with a laser beam emitted from a laser and focused into a spot with high power density through the laser cutting head. The higher the energy density of the light spot focused on the workpiece, the better the cutting effect on the workpiece. The existing laser cutting head has short service life due to poor heat dissipation.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a cutting head for on laser cutting machine, this cutting head has better heat dispersion on being used for laser cutting machine.
In order to achieve the above object, the utility model provides a cutting head for on laser cutting machine, this cutting head top-down includes in order: the mounting seat, the pressing ring, the microscope base, the connecting cylinder, the base, the adjusting seat and the nozzle are sequentially penetrated through by a plurality of positioning screws from top to bottom and then are screwed on the base, and the middle parts of the mounting seat, the pressing ring, the microscope base, the connecting cylinder, the base and the adjusting seat are provided with vertically through light guide holes; an adjusting ring sleeve is sleeved on the adjusting seat and the base, the upper end of the adjusting ring sleeve is sleeved on the base in a rotating manner, a first internal thread is arranged on the inner wall of the lower end of the adjusting ring sleeve, a first external thread matched with the first internal thread is arranged on the outer side of the adjusting seat, and the nozzle is tightly connected to the bottom of the adjusting seat through a pressing ring sleeve; be provided with the focus lens in the microscope base, one side of microscope base is provided with the water cooling unit, be provided with its inside pressurize air-intake joint of intercommunication on the lateral wall of connecting cylinder, lie in on the lateral wall of microscope base the below of focus lens is provided with the hole of disappointing, the downthehole end cap that is provided with loses heart.
Preferably, the mirror base comprises: the upper end of the fixed seat is provided with a U-shaped side groove, and one side of the movable seat is provided with a convex part which can be inserted into the side groove in a fitting manner; the convex part is provided with a lens hole coaxial with the light guide hole, the bottom of the lens hole is provided with a lens supporting ring, and a pressing ring knob, an elastic cushion, a lens pressing ring and the focusing lens are sequentially arranged in the lens hole from top to bottom; the outside of clamping ring knob sets up the second external screw thread, the upper end in the inboard in lens hole is provided with corresponding to the second internal thread of second external screw thread, lie in on the sliding seat the both sides position in lens hole is provided with one respectively and is used for connecting the mounting screw of fixing base.
Preferably, a pull ring is fixedly connected to one side of the movable seat, which faces away from the lens hole, and the water cooling unit is fixedly connected to one side of the fixed seat, which faces away from the pull ring.
Preferably, the water cooling unit includes: the heat conduction block is fixedly connected to one side of the fixing seat in an attaching mode, a waterway channel is arranged in the heat conduction block, and a water pipe connector is arranged at the inlet end and the outlet end of the waterway channel respectively.
Preferably, the bottom of the movable seat is provided with a first annular groove coaxial with the lens hole, and the first annular groove is internally provided with a first O-shaped ring.
Preferably, a second annular groove coaxial with the light guide hole is formed in the top of the connecting cylinder, and a second O-shaped ring is arranged in the second annular groove; the top of base is provided with the coaxial third ring channel of leaded light hole, be provided with third O shape circle in the third ring channel.
Preferably, the middle part of the adjusting seat is formed with a limiting pipe coaxial with the light guide hole, the limiting pipe extends upwards and is slidably inserted in the connecting cylinder and the base, a fourth annular groove is formed in the inner wall of the base, and a fourth O-ring in contact with the outer wall of the limiting pipe is arranged in the fourth annular groove.
Preferably, the upper end edge of the base is provided with a first-order step surface, the first-order step surface is matched with the bottom surface of the connecting cylinder to form a fifth annular groove, and the inner edge of the upper end of the adjusting ring sleeve is provided with a limiting annular ring which can be sleeved on the fifth annular groove in a self-rotating manner.
Preferably, the bottom of the adjusting seat is provided with an extension pipe, a third external thread is arranged outside the extension pipe, a third internal thread matched with the third external thread is arranged on the inner wall of the upper end of the compression ring sleeve, and a compression ring used for compressing the nozzle is arranged inside the lower end of the compression ring sleeve.
Preferably, the fixed cover in upper end of nozzle is equipped with the holding ring, the holding ring compress tightly in adjust between seat and the clamp ring, the side of clamp ring cover is provided with a plurality of housing screws that extend along its radial direction, and is a plurality of housing screw compress tightly in the lateral wall of holding ring, be provided with on the up end of holding ring with the coaxial sixth ring channel of light pipe, be provided with the fifth O shape circle in the sixth ring channel.
According to the technical scheme, a plurality of positioning screws in the utility model sequentially penetrate through the mounting seat, the compression ring, the microscope base and the connecting cylinder from top to bottom and then are screwed on the base, and the middle parts of the mounting seat, the compression ring, the microscope base, the connecting cylinder, the base and the adjusting seat are provided with vertically through light guide holes; an adjusting ring sleeve is sleeved on the adjusting seat and the base, the upper end of the adjusting ring sleeve is sleeved on the base in a rotating manner, a first internal thread is arranged on the inner wall of the lower end of the adjusting ring sleeve, a first external thread matched with the first internal thread is arranged on the outer side of the adjusting seat, and the nozzle is tightly connected to the bottom of the adjusting seat through a pressing ring sleeve; be provided with the focus lens in the microscope base, one side of microscope base is provided with the water cooling unit, be provided with its inside pressurize air-intake joint of intercommunication on the lateral wall of connecting cylinder, lie in on the lateral wall of microscope base the below of focus lens is provided with the hole of disappointing, the downthehole end cap that is provided with loses heart. This cutting head passes through the mount pad to be installed in the cutting device main part, and laser beam top-down shines and puts at light guide hole central point, focuses on laser beam through the focusing effect of focusing lens, adjusts the position of adjusting the seat and then the position of adjusting the nozzle through rotatory adjusting ring cover for the spout position of nozzle just in time is located the focus position, and the laser beam at this place is the strongest cutting effect best, and it can improve cutting effect to fill into the pressurize gas through the pressurize admission joint to the light guide hole. Because focus lens can make around producing a large amount of heats under long-time shining, be provided with the water cooling unit through the one side at the mirror seat, the heat conduction effect through the water cooling unit is walked unnecessary heat transfer, has improved the life of cutting head.
Other features and advantages of the present invention will be described in detail in the detailed description which follows.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:
FIG. 1 is a schematic view of the overall construction of a preferred embodiment of a cutting head;
FIG. 2 is a partial schematic view of a preferred embodiment of a cutting head;
FIG. 3 is a schematic cross-sectional view of a preferred embodiment of a cutting head;
figure 4 is a schematic view of a preferred embodiment of a cutting head in partial cross-section.
Description of the reference numerals
1 mounting seat and 2 press rings
3 fixed seat 4 connecting cylinder
5 adjusting ring sleeve 6 nozzle
7 compressing ring sleeve 8 heat conducting block
9 water pipe joint 10 pressure maintaining air inlet joint
11 pull ring 12 mounting screw
13 compression screw 14 set screw
15 movable seat 16 pressing ring knob
17 elastic pad 18 lens pressing ring
19 plug 20 focusing lens
21 first O-ring 22 second O-ring
23 base 24 third O-ring
25 adjusting seat 26 fourth O-ring
27 fifth O-ring of limit tube 28
29 clamp ring
Detailed Description
The following detailed description of the embodiments of the present invention will be made with reference to the accompanying drawings. It is to be understood that the description of the embodiments herein is for purposes of illustration and explanation only and is not intended to limit the invention.
In the present invention, unless otherwise specified, the terms "upper, lower, left, right, front, rear, inner, and outer" and the like included in the terms refer to the orientation of the terms in the normal use state or the common names understood by those skilled in the art, and should not be construed as limiting the terms.
Referring to the cutting head for a laser cutting machine shown in fig. 1-4, the cutting head comprises, from top to bottom: the microscope comprises a mounting seat 1, a pressing ring 2, a microscope base, a connecting cylinder 4, a base 23, an adjusting seat 25 and a nozzle 6, wherein a plurality of positioning screws 14 sequentially penetrate through the mounting seat 1, the pressing ring 2, the microscope base and the connecting cylinder 4 from top to bottom and then are screwed on the base 23, and light guide holes which are vertically communicated are formed in the middle of the mounting seat 1, the pressing ring 2, the microscope base, the connecting cylinder 4, the base 23 and the adjusting seat 25; the adjusting seat 25 and the base 23 are sleeved with an adjusting ring sleeve 5, the upper end of the adjusting ring sleeve 5 is sleeved on the base 23 in a rotatable manner, the inner wall of the lower end of the adjusting ring sleeve 5 is provided with a first internal thread, the outer side of the adjusting seat 25 is provided with a first external thread matched with the first internal thread, and the nozzle 6 is tightly pressed and connected to the bottom of the adjusting seat 25 through a pressing ring 29 and a sleeve 7; be provided with focus lens 20 in the microscope base, one side of microscope base is provided with the water cooling unit, be provided with its inside pressurize air-intake connector 10 of intercommunication on the lateral wall of connecting cylinder 4, lie in on the lateral wall of microscope base the below of focus mirror is provided with the hole of disappointing, the downthehole end cap 19 that is provided with of disappointing.
Through the implementation of above-mentioned technical scheme, this cutting head passes through mount pad 1 to be installed in the cutting device main part, laser beam top-down shines in leaded light hole central point, focuses on laser beam through focusing lens 20's focusing effect, adjust the position of seat 25 and then the position of adjusting nozzle 6 through rotatory adjusting ring cover 5 adjustment for the spout position of nozzle 6 just in time is located the focus position, the laser beam at this place is the strongest cutting effect best, it can improve the cutting effect to fill into the pressurize gas in the leaded light hole through pressurize admission joint 10. Because focus lens 20 can make around producing a large amount of heats under long-time shining, through being provided with the water cooling unit in one side of mirror seat, the heat conduction effect through the water cooling unit is walked unnecessary heat transfer, has improved the life of cutting head. The plug 19 can assist in accelerating the discharge of hot air in the light guide hole when not cutting, can accelerate the cooling of the interior of the cutting head, and prolongs the service life.
In this embodiment, in order to further improve the easy-to-detach performance and the mounting reliability of the focusing lens 20, it is preferable that the lens holder includes: the device comprises a fixed seat 3 and a movable seat 15, wherein the upper end of the fixed seat 3 is provided with a U-shaped side groove, and one side of the movable seat 15 is provided with a convex part which can be inserted into the side groove in a matching manner; the convex part is provided with a lens hole coaxial with the light guide hole, the bottom of the lens hole is provided with a lens supporting ring, and a pressing ring knob 16, an elastic cushion 17, a lens pressing ring 18 and the focusing lens 20 are sequentially arranged in the lens hole from top to bottom; the outside of clamping ring knob 16 sets up the second external screw thread, the upper end in the inboard in lens hole is provided with corresponding to the second internal thread of second external screw thread, lie in on the sliding seat 15 the both sides position in lens hole is provided with one respectively and is used for connecting mounting screw 12 of fixing base 3.
In this embodiment, in order to facilitate the pulling out of the movable seat 15 so as to replace the focusing lens 20 by detaching from the fixed seat 3, and without affecting the water cooling unit, preferably, a pull ring 11 is fixed to a side of the movable seat 15 facing away from the lens hole, and the water cooling unit is fixed to a side of the fixed seat 3 facing away from the pull ring 11.
In this embodiment, the water cooling unit may be any in the art, and in order to obtain a better water cooling effect, preferably, the water cooling unit includes: the heat conduction block 8, the heat conduction block 8 laminating rigid coupling in one side of fixing base 3, be provided with waterway in the heat conduction block 8, be located waterway's the business turn over end is provided with a water pipe head 9 respectively. Wherein, heat conduction is fast also can embedded setting in the outer wall of fixing base 3 to obtain better radiating effect.
In this embodiment, in order to obtain better sealing performance, it is preferable that the bottom of the movable seat 15 is provided with a first annular groove coaxial with the lens hole, and the first annular groove is provided with a first O-ring 21.
In this embodiment, in order to obtain better sealing performance, it is preferable that the top of the connecting cylinder 4 is provided with a second annular groove coaxial with the light guide hole, and the second annular groove is provided with a second O-ring 22; the top of the base 23 is provided with a third annular groove coaxial with the light guide hole, and a third O-shaped ring 24 is arranged in the third annular groove.
In this embodiment, in order to improve the stability of the adjusting seat 25 during position adjustment and improve the sealing performance, it is preferable that a limiting pipe 27 coaxial with the light guide hole is formed in the middle of the adjusting seat 25, the limiting pipe 27 extends upward and is slidably inserted into the connecting cylinder 4 and the base 23, a fourth annular groove is formed on the inner wall of the base 23, and a fourth O-ring 26 contacting with the outer wall of the limiting pipe 27 is arranged in the fourth annular groove.
In this embodiment, in order to further facilitate the adjustment of the height of the nozzle 6 by the rotation of the adjustment ring 5 and improve the sealing performance, it is preferable that the upper end edge of the base 23 is provided with a step surface, the step surface is matched with the bottom surface of the connection cylinder 4 to form a fifth annular groove, and the inner edge of the upper end of the adjustment ring 5 is provided with a stopper annular ring which is rotatably fitted in the fifth annular groove.
In this embodiment, in order to further achieve the compression of the nozzle 6 and improve the detachability of the nozzle 6, it is preferable that the bottom of the adjusting seat 25 is provided with an extension pipe, an outer portion of the extension pipe is provided with a third external thread, an inner wall of an upper end of the compression ring 29 sleeve 7 is provided with a third internal thread matching with the third external thread, and an inner portion of a lower end of the compression ring 29 sleeve 7 is provided with a compression ring 29 for compressing the nozzle 6.
In this embodiment, in order to further stabilize the position of the nozzle 6 and improve the sealing performance, preferably, the upper end of the nozzle 6 is fixedly sleeved with a positioning ring, the positioning ring is compressed between the adjusting seat 25 and the pressing ring 29, a plurality of pressing screws 13 extending along the radial direction of the pressing ring 29 are arranged on the side surface of the sleeve 7 of the pressing ring 29, the plurality of pressing screws 13 are compressed on the side wall of the positioning ring, a sixth annular groove coaxial with the light guide hole is arranged on the upper end surface of the positioning ring, and a fifth O-ring 28 is arranged in the sixth annular groove.
The preferred embodiments of the present invention have been described in detail with reference to the accompanying drawings, however, the present invention is not limited to the details of the above embodiments, and the technical concept of the present invention can be within the scope of the present invention to perform various simple modifications to the technical solution of the present invention, and these simple modifications all belong to the protection scope of the present invention.
It should be noted that the various technical features described in the above embodiments can be combined in any suitable manner without contradiction, and in order to avoid unnecessary repetition, the present invention does not need to describe any combination of the features.
In addition, various embodiments of the present invention can be combined arbitrarily, and the disclosed content should be regarded as the present invention as long as it does not violate the idea of the present invention.
Claims (10)
1. A cutting head for use on a laser cutting machine, characterized in that the cutting head comprises, from top to bottom in order: the endoscope comprises a mounting seat (1), a pressing ring (2), a microscope base, a connecting cylinder (4), a base (23), an adjusting seat (25) and a nozzle (6), wherein a plurality of positioning screws (14) sequentially penetrate through the mounting seat (1), the pressing ring (2), the microscope base and the connecting cylinder (4) from top to bottom and then are screwed on the base (23), and light guide holes which are vertically communicated are formed in the middle parts of the mounting seat (1), the pressing ring (2), the microscope base, the connecting cylinder (4), the base (23) and the adjusting seat (25);
an adjusting ring sleeve (5) is sleeved on the adjusting seat (25) and the base (23), the upper end of the adjusting ring sleeve (5) is sleeved on the base (23) in a rotating manner, a first internal thread is arranged on the inner wall of the lower end of the adjusting ring sleeve (5), a first external thread matched with the first internal thread is arranged on the outer side of the adjusting seat (25), and the nozzle (6) is tightly pressed and connected to the bottom of the adjusting seat (25) through a pressing ring (29) sleeve (7);
be provided with focus lens (20) in the microscope base, one side of microscope base is provided with the water-cooling unit, be provided with its inside pressurize air-intake connector (10) of intercommunication on the lateral wall of connecting cylinder (4), lie in on the lateral wall of microscope base the below of focus lens is provided with the hole of disappointing, the downthehole end cap (19) that is provided with of disappointing.
2. The cutting head for use on a laser cutting machine according to claim 1, wherein the lens holder comprises: the device comprises a fixed seat (3) and a movable seat (15), wherein a U-shaped side groove is formed in the upper end of the fixed seat (3), and a convex part which can be inserted into the side groove in a fit manner is formed in one side of the movable seat (15);
the convex part is provided with a lens hole coaxial with the light guide hole, the bottom of the lens hole is provided with a lens supporting ring, and a pressing ring knob (16), an elastic pad (17), a lens pressing ring (18) and the focusing lens (20) are sequentially arranged in the lens hole from top to bottom;
the outside of clamping ring knob (16) sets up the second external screw thread, the upper end in the inboard in lens hole is provided with corresponding to the second internal thread of second external screw thread, lie in on sliding seat (15) the both sides position in lens hole is provided with one respectively and is used for connecting mounting screw (12) of fixing base (3).
3. The cutting head for laser cutting machine according to claim 2, wherein a pull ring (11) is fixedly connected to a side of the movable seat (15) facing away from the lens hole, and the water cooling unit is fixedly connected to a side of the fixed seat (3) facing away from the pull ring (11).
4. The cutting head for laser cutting machine according to claim 3, wherein the water cooling unit comprises: the heat conduction block (8), the laminating rigid coupling of heat conduction block (8) in one side of fixing base (3), be provided with waterway in heat conduction block (8), be located waterway's the business turn over end is provided with a water pipe head (9) respectively.
5. The cutting head for laser cutting machines according to any one of claims 2 to 4, characterized in that the bottom of the movable seat (15) is provided with a first annular groove coaxial with the lens hole, and the first annular groove is provided with a first O-ring (21).
6. The cutting head for laser cutting machines according to claim 1, characterized in that the top of the connecting cylinder (4) is provided with a second annular groove coaxial with the light guide hole, and a second O-ring (22) is arranged in the second annular groove;
the top of base (23) is provided with the coaxial third ring channel of leaded light hole, be provided with third O shape circle (24) in the third ring channel.
7. The cutting head for the laser cutting machine is characterized in that a limiting pipe (27) coaxial with the light guide hole is formed in the middle of the adjusting seat (25), the limiting pipe (27) extends upwards and is slidably inserted in the connecting cylinder (4) and the base (23), a fourth annular groove is formed in the inner wall of the base (23), and a fourth O-shaped ring (26) in contact with the outer wall of the limiting pipe (27) is arranged in the fourth annular groove.
8. The cutting head for the laser cutting machine as claimed in claim 1, wherein the upper end edge of the base (23) is provided with a step surface, the step surface is matched with the bottom surface of the connecting cylinder (4) to form a fifth annular groove, and the inner edge of the upper end of the adjusting ring sleeve (5) is provided with a limiting annular ring which can be sleeved on the fifth annular groove in a self-rotating manner.
9. The cutting head for the laser cutting machine is characterized in that an extension pipe is arranged at the bottom of the adjusting seat (25), a third external thread is arranged outside the extension pipe, a third internal thread matched with the third external thread is arranged on the inner wall of the upper end of the pressing ring (29) sleeve (7), and a pressing ring (29) for pressing the nozzle (6) is arranged inside the lower end of the pressing ring (29) sleeve (7).
10. The cutting head for laser cutting machine according to claim 9, characterized in that the upper end of the nozzle (6) is fixedly sleeved with a positioning ring, the positioning ring is compressed between the adjusting seat (25) and a compression ring (29), the side surface of the compression ring (29) sleeve (7) is provided with a plurality of compression screws (13) extending along the radial direction, the plurality of compression screws (13) are compressed on the side wall of the positioning ring, the upper end surface of the positioning ring is provided with a sixth annular groove coaxial with the light guide hole, and the sixth annular groove is provided with a fifth O-ring (28).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921355136.9U CN210387977U (en) | 2019-08-20 | 2019-08-20 | Cutting head for laser cutting machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921355136.9U CN210387977U (en) | 2019-08-20 | 2019-08-20 | Cutting head for laser cutting machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210387977U true CN210387977U (en) | 2020-04-24 |
Family
ID=70338729
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921355136.9U Expired - Fee Related CN210387977U (en) | 2019-08-20 | 2019-08-20 | Cutting head for laser cutting machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210387977U (en) |
-
2019
- 2019-08-20 CN CN201921355136.9U patent/CN210387977U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200424 Termination date: 20210820 |
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| CF01 | Termination of patent right due to non-payment of annual fee |