Laser cutting machine focus height control device based on capacitance method
Technical Field
The utility model belongs to the technical field of laser cutting machine focus altitude mixture control is relevant, concretely relates to laser cutting machine focus altitude control device based on electric capacity method.
Background
The laser cutting machine focuses laser emitted from a laser into a laser beam with high power density through an optical path system. The laser beam irradiates the surface of the workpiece to enable the workpiece to reach a melting point or a boiling point, simultaneously, the high-pressure gas coaxial with the laser beam blows away the melted or gasified metal, the laser cutting processing uses the invisible light beam to replace the traditional mechanical knife, and the laser cutting processing device has the characteristics of high precision, high cutting speed, no limitation on cutting patterns, automatic typesetting, material saving, smooth cut, low processing cost and the like, and can gradually improve or replace the traditional metal cutting process equipment. Current laser cutting machine focus height adjusting device is when carrying out altitude mixture control, and stability is relatively poor, can not adjust the height of a focus control section of thick bamboo fast, can not carry out accurate control to the height of a focus control section of thick bamboo, and practicality is lower, for this reason, the utility model provides a laser cutting machine focus height control device based on electric capacity method.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a laser cutting machine focus high controlling means based on electric capacity method to solve the current laser cutting machine focus high adjusting device who proposes in the above-mentioned background art when carrying out altitude mixture control, stability is relatively poor, can not be fast to the high regulation of a focus regulation section of thick bamboo, can not carry out the problem of accurate control to the height of a focus regulation section of thick bamboo.
In order to achieve the above purpose, the utility model provides a following technical scheme: laser cutting machine focus height control device based on electric capacity method, it includes: the inside focus control section of thick bamboo of adjustment frame is located to adjustment frame and cover, the lower extreme of focus control section of thick bamboo is provided with the shower nozzle, the side of shower nozzle is provided with the connector, through fastening nut fixed connection between adjustment frame and the focus control section of thick bamboo, the front end of adjustment frame is fixed with the transmission frame, the inside of transmission frame is provided with the drive mechanism who carries out the adjustment to focus control section of thick bamboo position.
Preferably, the upper end of a focus adjusting cylinder is fixed with the baffle, the inner wall of adjusting the frame is fixed with the stopper with baffle matched with, be fixed with thick pinion rack on the outer wall of a focus adjusting cylinder, the inside thin tooth's socket that is provided with of focus adjusting cylinder of thick pinion rack one side.
Preferably, the transmission mechanism comprises a rotating shaft which is rotatably sleeved inside the transmission frame, a large-sized fine gear matched with the fine tooth groove is fixedly sleeved on the outer wall of the rotating shaft, and a small-sized coarse gear matched with the coarse tooth plate is fixedly sleeved on the outer wall of the rotating shaft on one side of the large-sized fine gear.
Preferably, the transmission mechanism further comprises a transmission rod arranged on the front side of the rotating shaft, the left end of the transmission rod penetrates through the outer wall of the transmission frame and is fixedly connected with a turntable, a large coarse gear matched with the small coarse gear is fixedly connected to the outer wall of the transmission rod, a small fine gear matched with the large fine gear is fixedly sleeved on the outer wall of the transmission rod on one side of the large coarse gear, and a check ring is fixed to the right end of the transmission rod.
Preferably, a fixed cylinder matched with the retainer ring is fixed on the inner wall of the transmission frame, and a retainer ring protruding inwards is fixed on the inner wall of the left end opening of the fixed cylinder.
Compared with the prior art of laser cutting machine focus height adjusting device, the utility model provides a laser cutting machine focus height control device based on electric capacity method possesses following beneficial effect:
the utility model discloses a set up drive mechanism in adjusting the frame, when promoting the transfer line right, the retaining ring contacts the transmission frame inner wall, at this moment, large-scale coarse gear meshes with small-size coarse gear mutually, large-scale fine gear staggers with the serration groove about, it can drive large-scale coarse gear to rotate through the transfer line to rotate the carousel, drive small-size coarse gear and rotate when large-scale coarse gear rotates, small-size coarse gear meshes with the serration board, can drive the focus adjustment section of thick bamboo and reciprocate greatly when small-size coarse gear rotates, thereby can adjust the focus adjustment section of thick bamboo height fast and stably;
two, the utility model discloses when dragging the transfer line left, until the retaining ring contacts with solid fixed cylinder left end, at this moment, small-size thin gear meshes with large-scale thin gear mutually, stagger about large-scale thick gear and the small-size thick gear, it can drive small-size thin gear through the transfer line and rotate to rotate the carousel, it rotates to drive large-scale thin gear when small-size thin gear rotates, large-scale thin gear meshes with thin tooth groove mutually, therefore, can drive a focus adjustment section of thick bamboo small amplitude during large-scale thin gear rotates and reciprocate, thereby can finely tune the height of a focus adjustment section of thick bamboo, and the operation is simple, and the high-speed adjustable optical disc is convenient to use, and has good practicality.
Drawings
The accompanying drawings 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, do not constitute a limitation of the invention, in which:
fig. 1 is a schematic view of a planar structure of a focal point height control device of a laser cutting machine based on a capacitance method according to the present invention;
fig. 2 is a schematic view of the internal structure of the adjusting frame provided by the present invention;
fig. 3 is a schematic view of a partial assembly structure of the focus adjusting cylinder according to the present invention;
FIG. 4 is a schematic view of the internal structure of the transmission frame of the present invention
Fig. 5 is a schematic view of the structure of the transmission mechanism of the present invention;
in the figure: 1. a spray head; 2. a connector; 3. a focus adjusting cylinder; 301. a baffle plate; 302. a thin gullet; 303. a coarse toothed plate; 4. fastening a nut; 5. a transmission frame; 501. a fixed cylinder; 6. an adjusting frame; 601. a limiting block; 7. a transmission mechanism; 701. a small-sized coarse gear; 702. a large-sized fine gear; 703. a rotating shaft; 704. a retainer ring; 705. a small-sized fine gear; 706. a large coarse gear; 707. a transmission rod; 708. a turntable.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-5, the present invention provides a technical solution: laser cutting machine focus height control device based on electric capacity method, it includes: the inside focus control section of thick bamboo 3 of adjusting frame 6 is located to adjusting frame 6 and cover, frictional force between focus control section of thick bamboo 3 and the adjusting frame 6 is greater than focus control section of thick bamboo 3 self gravity, ensure under natural state, focus control section of thick bamboo 3 can not follow the inside landing of adjusting frame 6, the lower extreme of focus control section of thick bamboo 3 is provided with shower nozzle 1, the side of shower nozzle 1 is provided with connector 2, through fastening nut 4 fixed connection between adjusting frame 6 and the focus control section of thick bamboo 3, under fastening nut 4's effect, improve the structural stability between adjusting frame 6 and the focus control section of thick bamboo 3 greatly, the front end of adjusting frame 6 is fixed with transmission frame 5, the inside of transmission frame 5 is provided with the drive mechanism 7 that carries out the adjustment to focus control section of thick bamboo 3 position, adjust the working height of focus control section of thick bamboo 3 through transmission mechanism 7.
The upper end of a focus adjustment section of thick bamboo 3 is fixed with baffle 301, and the inner wall of adjusting frame 6 is fixed with stopper 601 with baffle 301 matched with, under stopper 601 and baffle 301's combined action, can restrict the gliding distance of a focus adjustment section of thick bamboo 3, is fixed with thick pinion rack 303 on the outer wall of a focus adjustment section of thick bamboo 3, and the inside thin tooth's socket 302 that is provided with of a focus adjustment section of thick bamboo 3 of thick pinion rack 303 one side.
The transmission mechanism 7 comprises a rotating shaft 703 rotatably sleeved inside the transmission frame 5, a large-sized fine gear 702 matched with the fine tooth groove 302 is fixedly sleeved on the outer wall of the rotating shaft 703, and a small-sized coarse gear 701 matched with the coarse tooth plate 303 is fixedly sleeved on the outer wall of the rotating shaft 703 at one side of the large-sized fine gear 702. A driving rod 707 in front of the rotating shaft 703, the left end of the driving rod 707 penetrates through the outer wall of the driving frame 5 and is fixedly connected with a turntable 708, the outer wall of the driving rod 707 is fixedly connected with a large coarse gear 706 matched with the small coarse gear 701, the outer wall of the driving rod 707 on one side of the large coarse gear 706 is fixedly sleeved with a small fine gear 705 matched with the large fine gear 702, the driving rod 707 is pulled outwards to make the retainer ring 704 contact with the left end of the fixed cylinder 501, at this time, the small fine gear is meshed with the large fine gear 702, the turntable 708 is rotated to make the driving rod 707 drive the small fine gear 705 to rotate, the small fine gear 705 drives the large fine gear 702 to rotate when rotating, the large fine gear 702 is meshed with the fine gear groove 302, therefore, the large fine gear 702 can drive the focus adjusting cylinder 3 to move up and down with a small amplitude when rotating, the driving rod 707 is pushed inwards to make the retainer ring 704 contact with the inner wall of the driving frame 5, at this time, the large coarse gear 706 is engaged with the small coarse gear 701, the rotating disc 708 is rotated, so that the transmission rod 707 drives the large coarse gear 706 to rotate, the large coarse gear 706 drives the small coarse gear 701 to rotate when rotating, the small coarse gear 701 is engaged with the coarse toothed plate 303, and the small coarse gear 701 can drive the focus adjusting cylinder 3 to move up and down greatly when rotating.
A retainer ring 704 is fixed at the right end of the transmission rod 707, a fixed cylinder 501 matched with the retainer ring 704 is fixed on the inner wall of the transmission frame 5, and a retainer ring protruding inwards is fixed on the inner wall of the left end opening of the fixed cylinder 501, so that the transmission rod 707 is prevented from being completely drawn out of the fixed cylinder 501.
The utility model discloses a theory of operation and use flow: in utilizing the utility model discloses carry out the during operation, when needs carry out altitude mixture control to a focus adjustment section of thick bamboo 3, at first, promote transfer line 707 right, make retaining ring 704 contact transmission frame 5 inner wall, at this moment, large-scale coarse gear 706 meshes with small-size coarse gear 701 mutually, stagger about large-scale fine gear 702 and the thin tooth groove 302, rotate carousel 708, make transfer line 707 drive large-scale coarse gear 706 rotate, it rotates to drive small-size coarse gear 701 when large-scale coarse gear 706 rotates, small-size coarse gear 701 meshes with thick tooth board 303 mutually, can drive a focus adjustment section of thick bamboo 3 and reciprocate by a wide margin when small-size coarse gear 701 rotates, adjust a focus adjustment section of thick bamboo 3 to roughly the position fast.
After the focal length adjusting cylinder 3 is quickly adjusted to an approximate position, the transmission rod 707 is pulled leftwards, so that the retainer ring 704 is in contact with the left end of the fixed cylinder 501, at the moment, the small fine gear 705 is meshed with the large fine gear 702, the large coarse gear 706 is staggered with the small coarse gear 701 leftwards and rightwards, the rotary disc 708 is rotated, the transmission rod 707 drives the small fine gear 705 to rotate, the small fine gear 705 drives the large fine gear 702 to rotate when rotating, the large fine gear 702 is meshed with the fine tooth groove 302, therefore, the large fine gear 702 can drive the focal length adjusting cylinder 3 to move up and down in a small amplitude when rotating, and the height of the focal length adjusting cylinder 3 can be finely adjusted.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.