CN211804427U - Thread pair driving structure for concentric adjustment of high-power cutting head - Google Patents
Thread pair driving structure for concentric adjustment of high-power cutting head Download PDFInfo
- Publication number
- CN211804427U CN211804427U CN201922293450.5U CN201922293450U CN211804427U CN 211804427 U CN211804427 U CN 211804427U CN 201922293450 U CN201922293450 U CN 201922293450U CN 211804427 U CN211804427 U CN 211804427U
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- thread
- nut
- cutting head
- power cutting
- high power
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- 238000005520 cutting process Methods 0.000 title claims abstract description 22
- 238000007789 sealing Methods 0.000 claims abstract description 33
- 238000013016 damping Methods 0.000 claims abstract description 18
- 230000000903 blocking effect Effects 0.000 claims description 22
- 238000005096 rolling process Methods 0.000 claims description 3
- 230000002093 peripheral effect Effects 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 7
- 238000005580 one pot reaction Methods 0.000 abstract 1
- 238000003698 laser cutting Methods 0.000 description 5
- 239000000428 dust Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 238000004880 explosion Methods 0.000 description 2
- 238000003754 machining Methods 0.000 description 2
- 244000208734 Pisonia aculeata Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000306 component Substances 0.000 description 1
- 239000008358 core component Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
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Abstract
The utility model discloses a vice drive structure of screw thread for concentric regulation of high power cutting head, it is including fixed interior fender nut that sets up in a front shroud, pass interior fender nut and rather than screw-thread complex screw thread pair core, general just be formed with the confession including vice core of screw thread one pot head is established outer nut, the cover in the removal space of vice core activity of screw thread are established and its periphery is supporting on the vice core of screw thread the damping sealing washer on removal space inner wall surface. The utility model provides the high efficiency of concentric regulation, and effectively solved concentric regulation structure and vibrated the not hard up technical problem along with the lathe bed.
Description
[ technical field ] A method for producing a semiconductor device
The utility model belongs to the technical field of laser cutting, especially, relate to a vice drive structure of screw thread for concentric regulation of high power cutting head.
[ background of the invention ]
The laser cutting head is a core component at the tail end of a laser cutting machine tool, and directly influences the cutting quality of the laser cutting machine tool on plates. The requirement of the high-power laser cutting head on the concentricity of the lens is very high, and the main influencing factor except tolerance errors in machining is the centering component.
The mechanism mainly divide into two kinds of structures in the high-power automatic focusing cutting head accent in the market at present: one is to adopt four plunger screws to jack up the structure at four corners of the lens cone; the other is that two plungers are opposite to each other and correspond to two spring pull-back structures. Both structures do not have self-locking function, all have after adjusting to target in place and lead to screw or plunger not hard up along with the vibrations of lathe, influence the problem of lens concentric position, and this can influence final cutting effect. The loosening of the thread structure is a problem in all existing structures. In the actual adjustment, the problem of overlong concentric adjustment time can occur; when the adjustment exceeds the range, the lens barrel can collide with the lens barrel cavity to damage machining parts; the thread structure can be loosened along with the high-frequency large-amplitude vibration of the machine tool; because the high power lens is fitted inside the barrel, there is a sealing problem.
Therefore, there is a need to provide a new thread pair driving structure for concentric adjustment of high power cutting heads to solve the above problems.
[ Utility model ] content
The utility model discloses a main aim at provides a vice drive structure of screw thread that is used for concentric regulation of high power cutting head, has improved the efficiency of concentric regulation, and has effectively solved concentric regulation structure and along with the lathe bed vibrations not hard up technical problem.
The utility model discloses a following technical scheme realizes above-mentioned purpose: a thread pair driving structure for concentric adjustment of a high-power cutting head comprises an inner blocking nut fixedly arranged in a front cover plate, a thread pair core penetrating through the inner blocking nut and in threaded fit with the inner blocking nut, an outer nut, a damping sealing ring and a front cover plate, wherein one end of the thread pair core is sleeved with the outer nut, a moving space for the thread pair core to move is formed in the outer nut, and the damping sealing ring is sleeved on the thread pair core, and the outer periphery of the damping sealing ring abuts against the surface of the inner wall of the moving space.
Furthermore, the outer screw thread structure is arranged on the peripheral surface of one end of the outer nut and is matched with the inner screw thread hole in the front cover plate to realize the position fixation of the outer nut.
Furthermore, one end face of the inner blocking nut forms a surrounding blocking face of the moving space and forms a limiting face of the moving range of the thread pair core, and the other surrounding blocking face of the moving space opposite to the surrounding blocking face forms the other limiting face of the moving range of the thread pair core.
Furthermore, the outer nut is sleeved with a sealing ring for sealing the internal thread hole in the front cover plate.
Furthermore, a rolling ball is clamped on the other free end face of the screw thread secondary core.
Furthermore, an annular groove is formed in the periphery of one end of the threaded auxiliary core, and the damping sealing ring is arranged in the annular groove for limiting.
Furthermore, an adjusting groove for inserting an adjusting head is formed in the end face of the outer side of the thread auxiliary core.
Furthermore, a through hole corresponding to the adjusting groove is formed in the outer nut; and the outer end surface of the outer nut is fixedly connected with a plug for blocking the through hole through a screw.
Compared with the prior art, the utility model relates to a vice drive structure of screw thread for concentric regulation of high power cutting head's beneficial effect lies in: the screw pair has the front and back limiting function, the adjusting range of the screw pair core is narrowed to the range of +/-1.5 mm of the central position through the screw pair inner stop nut and the outer nut, and the concentric adjusting time in practical application is greatly shortened; the thread pair core is sleeved with a damping sealing ring, and the periphery of the damping sealing ring abuts against the surface of an inner hole of the outer nut, so that the thread pair can be prevented from being loosened along with vibration of the lathe bed after being adjusted in place; besides the damping sealing ring, the outer nut is also provided with a sealing ring to form double-layer sealing, and the end cap structure is arranged on the end face of the outer nut, so that the sealing effect can be well achieved, and dust is prevented from entering the inner pollution lens from the thread clearance.
[ description of the drawings ]
FIG. 1 is a schematic sectional view of the present invention;
fig. 2 is a schematic diagram of the explosion structure of the present invention;
fig. 3 is a schematic diagram of an explosion structure applied to the concentric adjusting structure of the lens cone of the present invention;
the figures in the drawings represent:
1, a lens barrel; 2, a tension spring; 3, supporting a frame; 4, a lens barrel positioning pin; 5, a tension spring positioning pin; 6, fixing a jackscrew by a support frame; 7 a front cover plate; 8, a thread pair driving structure; 9 an inner stop nut; 10 thread pair core; 11 damping sealing rings; 12, sealing rings; 13 an external nut; 14 a movement space; 15 balls; 16 an annular groove; 17 adjusting the groove; 18 through holes; 19 surrounding baffle surfaces; 20 and another surrounding baffle surface.
[ detailed description ] embodiments
Example (b):
referring to fig. 1-3, a screw pair driving structure 8 for concentric adjustment of a high power cutting head of the present embodiment includes an inner retaining nut 9 fixedly disposed in a front cover plate 7, a screw pair core 10 passing through the inner retaining nut 9 and being in screw-fit with the inner retaining nut 9, an outer nut 13 having a moving space 14 formed therein for movement of the screw pair core 10 and having an end of the screw pair core 10 sleeved thereon, and a damping sealing ring 11 sleeved on an outer periphery of an end of the screw pair core 10 and having an outer periphery abutting against an inner wall surface of the moving space 14, wherein an outer thread structure is disposed on an outer periphery surface of an end of the outer nut 13 and is in fit with an inner thread hole in the front cover plate 7 to fix the position of the outer nut 13.
One end face of the inner blocking nut 9 forms a surrounding blocking face 19 of the moving space 14 and forms a limiting face of the moving range of the thread pair core 10, and the other surrounding blocking face 20 of the moving space 14 opposite to the surrounding blocking face 19 forms the other limiting face of the moving range of the thread pair core 10.
The outer nut 13 is sleeved with a sealing ring 12 for sealing an internal thread hole in the front cover plate 7, so that a sealing effect is achieved, and dust is prevented from entering a thread pair adjusting structure to influence adjusting precision or pollute lenses.
The other free end face of the screw thread secondary core 10 is clamped with a rolling ball 15.
An annular groove 16 is formed in the periphery of one end of the thread auxiliary core 10, and the damping sealing ring 11 is arranged in the annular groove 16 for limiting. The outer periphery of the damping seal ring 11 is abutted against the inner wall surface of the moving space 14 in the outer nut 13, so that the thread pair core 10 can be effectively prevented from loosening along with the vibration of the bed after being adjusted.
An adjusting groove 17 for inserting an adjusting head is formed in the end face of the outer side of the thread pair core 10, a through hole 18 corresponding to the adjusting groove 17 is formed in the outer nut 13, when the thread pair core 10 needs to be adjusted, a special matched tool rod only needs to be taken to penetrate through the through hole 18 to be inserted into the adjusting groove 17 to rotate, the thread pair core 10 is driven to rotate, under the thread matching effect of the inner blocking nut 9, the stretching-out and retracting movement of the thread pair core 10 is achieved, and the position adjustment of the lens barrel is achieved by adjusting the supporting angle of the lens barrel support 3.
A plug (not shown) for blocking the through hole 18 is fixedly connected to the outer end surface of the outer nut 13 by a screw. Through the end cap, dust can be prevented from entering the through hole 18 and entering a threaded structure of the threaded pair, so that the adjustment precision is influenced or the lens is prevented from being polluted, and the sealing performance is improved.
The thread pair driving structure 8 of the embodiment is used in a concentric adjusting structure of a cutting head lens cone, and the concentric adjusting structure comprises a front cover plate 7, a supporting seat 6 fixed on the inner side surface of the front cover plate 7, a lens cone supporting frame 3 which is rotatably hinged on the supporting seat 6 through a pin shaft and distributed in a splayed shape, two pairs of tension springs 2, one ends of which are hung on the supporting seat 6 through the pin shaft 5 and the other ends of which are hung on one side of a lens cone 1 to enable the lens cone 1 to be close to the lens cone supporting frame 3, and a lens cone positioning pin 4 which vertically penetrates through the lens cone 1 and is clamped. The screw pair driving structure 8 penetrates through a ball 15 at the end part of the front cover plate 7 to prop against one end of the lens cone supporting frame 3, so that the lens cone supporting frame 3 can carry out angle adjustment around a hinge pin shaft, and the position adjustment of the lens cone is realized.
The working mode of the concentric adjusting structure is that the lens cone 1 is flexibly fixed on the front cover plate 7 by four (2 groups) of tension springs 2, and the lens cone is positioned on one direction by the lens cone positioning pin 4, so that the two lens cone supporting frames 3 can push the lens cone 1 to overcome the reverse tension of the tension springs to swing forwards by the drive of the thread pair driving structure 8, and the concentric adjusting effect can be achieved.
The thread pair driving structure 8 for the concentric adjustment of the high-power cutting head has the advantages that: the screw pair has the front and back limiting function, the adjusting range of the screw pair core is narrowed to the range of +/-1.5 mm of the central position through the screw pair inner stop nut and the outer nut, and the concentric adjusting time in practical application is greatly shortened; the thread pair core is sleeved with a damping sealing ring, and the periphery of the damping sealing ring abuts against the surface of an inner hole of the outer nut, so that the thread pair can be prevented from being loosened along with vibration of the lathe bed after being adjusted in place; besides the damping sealing ring, the outer nut is also provided with a sealing ring to form double-layer sealing, and the end cap structure is arranged on the end face of the outer nut, so that the sealing effect can be well achieved, and dust is prevented from entering the inner pollution lens from the thread clearance.
What has been described above are only some embodiments of the invention. For those skilled in the art, without departing from the inventive concept, several modifications and improvements can be made, which are within the scope of the invention.
Claims (8)
1. A vice drive structure of screw thread for concentric regulation of high power cutting head which characterized in that: the damping sealing ring comprises an inner blocking nut fixedly arranged in a front cover plate, a thread auxiliary core which penetrates through the inner blocking nut and is in threaded fit with the inner blocking nut, an outer nut which is sleeved on one end of the thread auxiliary core and is provided with a moving space for the thread auxiliary core to move, and a damping sealing ring which is sleeved on the thread auxiliary core and the outer periphery of which abuts against the surface of the inner wall of the moving space.
2. A screw pair drive arrangement for concentric adjustment of a high power cutting head as set forth in claim 1, wherein: the outer nut's one end peripheral surface is provided with the external screw thread structure, with the internal thread hole cooperation in the front shroud realizes outer nut's rigidity.
3. A screw pair drive arrangement for concentric adjustment of a high power cutting head as set forth in claim 1, wherein: one end face of the inner blocking nut forms a blocking surface surrounding the moving space, a limiting surface of the moving range of the thread pair core is formed, and the other blocking surface surrounding the moving space and opposite to the blocking surface forms the other limiting surface of the moving range of the thread pair core.
4. A screw pair drive arrangement for concentric adjustment of a high power cutting head as set forth in claim 1, wherein: the outer nut is sleeved with a sealing ring for sealing the inner threaded hole in the front cover plate.
5. A screw pair drive arrangement for concentric adjustment of a high power cutting head as set forth in claim 1, wherein: and a rolling ball is clamped on the other free end face of the screw thread auxiliary core.
6. A screw pair drive arrangement for concentric adjustment of a high power cutting head as set forth in claim 1, wherein: the periphery of one end of the thread auxiliary core is provided with an annular groove, and the damping sealing ring is arranged in the annular groove for limiting.
7. A screw pair drive arrangement for concentric adjustment of a high power cutting head as set forth in claim 1, wherein: and an adjusting groove for inserting an adjusting head is formed in the end face of the outer side of the thread auxiliary core.
8. A screw pair drive arrangement for concentric adjustment of a high power cutting head as set forth in claim 7, wherein: the outer nut is provided with a through hole corresponding to the adjusting groove; and the outer end surface of the outer nut is fixedly connected with a plug for blocking the through hole through a screw.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922293450.5U CN211804427U (en) | 2019-12-19 | 2019-12-19 | Thread pair driving structure for concentric adjustment of high-power cutting head |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922293450.5U CN211804427U (en) | 2019-12-19 | 2019-12-19 | Thread pair driving structure for concentric adjustment of high-power cutting head |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211804427U true CN211804427U (en) | 2020-10-30 |
Family
ID=73032374
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922293450.5U Expired - Fee Related CN211804427U (en) | 2019-12-19 | 2019-12-19 | Thread pair driving structure for concentric adjustment of high-power cutting head |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211804427U (en) |
-
2019
- 2019-12-19 CN CN201922293450.5U patent/CN211804427U/en not_active Expired - Fee Related
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| 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: 20201030 |