CN109773349A - It is a kind of for connecting the rotating shaft assembly of laser cutting head - Google Patents

Abstract

The invention discloses a kind of for connecting the rotating shaft assembly of laser cutting head, including rotary axis body (1), the first elbow (2), the second elbow (3) and driving assembly (4), be equipped in the rotary axis body shell (13) of the rotary axis body (1) and be nested with pipeline guide springs A(19) the first transmission shaft (11) and the first elbow shell (21) of the first elbow (2) in be equipped be nested with pipeline guide springs B(29) second driving shaft B(22)；Fixation is wound around pipeline guide springs A(19) on water power air pipe enter in the first elbow (2) after be wrapped in pipeline guide springs B(29) on and be directly entered in the second elbow (3) from the end of pipeline guide springs B(29).A plurality of water power air pipe is guided to laser cutting head by pipeline guide springs by the present invention inside rotating shaft assembly, solves the problems, such as pipeline winding；And the rotating shaft assembly can also be internal guide-lighting, it is compact-sized and simple ingenious.

Description

It is a kind of for connecting the rotating shaft assembly of laser cutting head

Technical field

The present invention relates to technical field of laser processing, specifically one kind can prevent rotary shaft and external circuits from interfering And can solve water power air pipe on the rotary shaft winding problem for connecting the rotating shaft assembly of laser cutting head.

Background technique

It is more and more in demand of the technical field of laser processing to Three-dimension process with the development of laser processing technology, mesh Preceding three-dimensional laser processing equipment typically adds two rotary shafts and external circuits to constitute three-dimensional five axis by three linear axis Laser-processing system, external circuits and rotary shaft structure independent, in actual production easily and outside when rotary shaft moves Portion's optical path component interferes, and influences the movement of rotary shaft to limit effective range of work of laser process equipment, is simultaneously So that laser cutting device is worked normally, generally can all have a plurality of water power air pipe need to be transmitted to by two rotary shafts it is sharp Light cutting head, water power air pipe is usually directly wound around outside rotary shaft in the prior art, these are managed when rotary shaft rotates Road also and then rotates together, and, first is that rotary shaft drives these pipelines are irregular to rotate back and forth, can thus hold there are three problem Easily route is made to break down, second is that a plurality of pipeline is wound around the maintenance and repair for being unfavorable for rotary shaft outside rotary shaft, third is that around Pipeline outside rotary shaft will affect equipment beauty.

Summary of the invention

In response to the problems existing in the prior art, the purpose of the present invention is to provide one kind can prevent rotary shaft and external circuits Interfere and can solve water power air pipe on the rotary shaft winding problem for connecting the rotating shaft assembly of laser cutting head.

The purpose of the present invention is what is solved by the following technical programs:

It is a kind of for connecting the rotating shaft assembly of laser cutting head, including rotary axis body and driving assembly, it is characterised in that: institute The driving assembly stated is mounted on the outside of the rotary axis body shell of rotary axis body and the lower end of rotary axis body and first curved The vertical end of head is connected, the horizontal ends of the first elbow be connected with the horizontal ends of the second elbow and the vertical end of the second elbow with it is sharp Light cutting head is connected；It is equipped in the first transmission shaft and the first elbow shell of the first elbow and sets in the rotary axis body shell There is second driving shaft B, the upper end for being nested with the pipeline guide springs A on the first transmission shaft is relatively fixed in rotary axis body shell The lower end upper and pipeline guide springs A is relatively fixed to follow the first transmission shaft to come back rotation, the first elbow on the first transmission shaft The upper end of shell is fixedly mounted on the lower end of the first transmission shaft and the first transmission shaft is followed to move, and is nested on second driving shaft B Pipeline guide springs B one end it is relatively fixed on the first elbow shell and the other end of pipeline guide springs B is relatively fixed Second driving shaft B is followed to carry out back rotation on second driving shaft B, the second elbow shell of the second elbow is fixed on second driving shaft One end of B simultaneously follows second driving shaft B to move；It is curved that the fixed water power air pipe being wound around on pipeline guide springs A enters first It is wrapped on pipeline guide springs B after in head and is directly entered in the second elbow from the end of pipeline guide springs B；The rotary shaft Components are in use, the first transmission shaft drives the movement of the first elbow and second driving shaft B drives the movement of the second elbow, so that pipe Water power air pipe on the guide springs A of road is static with respect to the first elbow shell and pipeline guide springs B on water power air pipe phase It is static to the second elbow shell.

The second driving shaft B is driven by second driving shaft A, and second driving shaft A is coaxially set in the first transmission shaft It is connected in inner cavity and between the two by angular contact ball bearing；The lower end outside of the second driving shaft A is arranged with locking nut A, locking nut A are used for the angular contact ball bearing fixed between the first transmission shaft and second driving shaft A.

The top of the second driving shaft A is higher than the top of the first transmission shaft and the raised area is provided with the second belt wheel, the Two belt wheels are connected by conveyer belt with the second electrical machine belt pulley of the second motor drive terminal in driving assembly, so that the second motor Drive second driving shaft A rotation；The inner cavity of the first transmission shaft is protruded in the lower end of the second driving shaft A and protrusion sets up separately and is equipped with One end of third belt wheel, second driving shaft B corresponding with the lower end of second driving shaft A is provided with the 4th belt wheel, third belt wheel On belt pass through the tension mechanism that is arranged in the inner cavity of the first elbow shell and be connected with the 4th belt wheel, second is driven The rotary motion of axis A passes to second driving shaft B.

The channel of the inner hollow in the channel and second driving shaft B of the inner hollow of the second driving shaft A is all laser Path channels；Laser beam is incident on the anti-of the first elbow along the central axes of second driving shaft A from the top of rotary axis body vertically Penetrate on component, the laser beam after the reflection of the reflection component of the first elbow along second driving shaft B central axes glancing incidence to the On the reflection component of double section belt arm, the laser beam after the reflection of the reflection component of the second elbow is along the vertical central axes side of the second elbow To being incident in laser cutting head；So that the rotating shaft assembly has interior light-guiding function.

The top of first transmission shaft is provided with first pulley, and first pulley passes through the in conveyer belt and driving assembly The first motor belt wheel of one motor drive terminal is connected, so that first motor drives the rotation of the first transmission shaft.

Outer wall upper section, the lower section of first transmission shaft are respectively equipped with cylindrical sleeve, the cylinder of the first transmission shaft upper section Shape sleeve by crossed roller bearing A, lower section cylindrical sleeve by cylinder roller bearing respectively with rotary axis body shell Inner wall be fixedly linked；The crossed roller bearing A include crossed roller bearing A inner ring and crossed roller bearing A it is outer Circle, wherein the inner ring of crossed roller bearing A fixes the outside for being set in the cylindrical sleeve of the first transmission shaft upper section, crossed roller It is close to the inner wall of rotary axis body shell and is firmly connected with it in the outer ring of bearing A.

The bottom of the outer ring of the crossed roller bearing A is fixedly installed a crescent pipeline steering mechanism, which turns It is made of to mechanism upper and lower two pipeline steering blocks and respectively has four pipelines being correspondingly arranged recessed in upper and lower two pipeline steering blocks Two pipeline steering blocks are bolted together and are formed four pipe passage A inside the pipeline steering mechanism by slot, and four The entrance of pipe passage A the outside of pipeline steering mechanism, the outlet of pipe passage A be arranged in the inside of pipeline steering mechanism and The exit is provided with pipe joint A；There are matching used fillister head screw and locking below the pipeline steering mechanism Nut B, fillister head screw and locking nut B, which are used cooperatively, is fixed on pipeline steering mechanism for the initial segment of pipeline guide springs A Bottom.

The rotary axis body shell is equipped with to be correspondingly arranged with the entrance of the pipe passage A on the outside of pipeline steering mechanism Through-hole B.

The boss ontology of the cylindrical sleeve of the first transmission shaft lower section is equipped with the spring of fixing pipe road guide springs A Fixed plate, and it is respectively equipped with pipe joint B and pipe joint C in the upper and lower sides of the boss ontology, water power air pipe is along pipeline Guide springs A is extended at spring retaining plate, and the cylinder of the first transmission shaft lower section is then entered by pipe joint B In the multiple axially extending bores being along the circumferential direction distributed on the boss ontology of sleeve, water power air pipe is after axially extending bore by pipeline Connector C output.

The central axes of the third belt wheel and the 4th belt wheel are mutually perpendicular to, and with third belt wheel and the 4th belt wheel is mating makes Tension mechanism is fixed on the inner wall of the first elbow shell, and the belt of winding is on third belt wheel around on tension mechanism Idle pulley after again be wound around on the 4th belt wheel, and the first elbow shell corresponding with tension mechanism be equipped with corresponding U-shaped through-hole, It can be adjusted from tension mechanism of the outside of the first elbow to its inside by the U-shaped through-hole.

The side of rotary axis body shell is arranged in the driving assembly, and driving assembly includes first motor, the second electricity Mechanical, electrical machine outer cover, motor mounting plate and water, electricity and gas connecting plate, the motor for installing first motor and the second motor respectively are installed Plate is all located at the top of outsides cover of electric machinery, and a water, electricity and gas connecting plate is equipped between two pieces of motor mounting plates, and water, electricity and gas connecting plate It is equipped with and provides water power air pipe by the external through-hole A for entering rotating shaft assembly inner passage；The first motor and second Motor passes through corresponding transmission parts respectively and goes to drive the first transmission shaft and second driving shaft A rotation.

The port A of the first elbow shell is coaxially connected by the first transmission shaft and rotary axis body, the port A and first The lower end of transmission shaft is fixedly linked so that the first transmission shaft is able to drive the rotation of the first elbow shell；The first elbow shell The port B is by second driving shaft B and the second elbow cage connection and second driving shaft B is able to drive the rotation of the second elbow shell.

The central axes of the port A and the central axes of the port B intersect vertically and set at the position of two central axes intersection It is equipped with the first microscope base mounting plate, the angle of the first microscope base mounting plate and two central axes is ° and the first microscope base mounting plate is installed There is the first microscope base of the first eyeglass of band, the position where the first eyeglass is the point of intersection of two central axes, and laser beam is passed from second The through-hole at the center moving axis A is incident on the first eyeglass and is incident on by the reflection of the first eyeglass along the central axes direction of the port B In second elbow.

The lower section of the first microscope base mounting plate is equipped with the first microscope base shell, the first microscope base shell and the first microscope base mounting plate It is arranged in parallel and the first microscope base shell is fixedly mounted on the first elbow shell, so that the inside of the first elbow shell forms one Closed cavity.

The inside of the first elbow shell is equipped with a circular cylindrical cavity and cylinder adjacent to the port B of the first elbow shell The central axes of shape cavity are overlapped with the central axes of the port B；The bottom of the separate port B one end on the circular cylindrical cavity is equipped with energy Enough through-hole C introduced water power air pipe inside circular cylindrical cavity.

The second driving shaft B is co-axially located in circular cylindrical cavity and is connected between the two by bearing, wherein second One end of the port A is provided with deep groove ball bearing to transmission shaft B and the other end is provided with crossed roller bearing B, crossed roller axis The outer ring of inner ring and crossed roller bearing B that B includes crossed roller bearing B is held, the outer ring of crossed roller bearing B is fixedly mounted on On the inner wall of the first elbow shell at the port B, the inner ring of crossed roller bearing B is fixed be set on second driving shaft B and with The annular convex platform of the end second driving shaft B is fixedly connected, the annular convex platform of the end second driving shaft B and the fixed company of the second elbow It connects.

The pipeline guide springs B is nested on the second driving shaft B between circular cylindrical cavity and second driving shaft B, The initial segment of pipeline guide springs B is held away from the end of the end face inner wall of the circular cylindrical cavity of the port B, pipeline guide springs B Section is fixed on the pipeline guide groove on second driving shaft B, and pipeline guide groove is arranged and is fixed on against the inner ring of crossed roller bearing B On the inner ring of crossed roller bearing B.

There are a plurality of pipe passage B, pipe passage B to sequentially pass through pipe along axial direction between the pipeline guide groove and the second elbow The end face of the C port of road guide groove, the inner ring of crossed roller bearing B, the lug bosses at end part of second driving shaft B, the second elbow shell；Institute The entrance of pipe passage B is stated on pipeline guide groove and the outlet pipe passage B is in the end face inner wall of the second elbow shell, in pipeline The exit of channel B is provided with pipe joint D.

The C port of the second elbow shell is coaxially connected by second driving shaft B and the port B of the first elbow shell, C Port and one end of second driving shaft B are fixedly linked so that second driving shaft B is able to drive the rotation of the second elbow shell；Described The port D of double section belt arm shell and laser cutting head are coaxially connected；So that second driving shaft B drives laser cutting by the second elbow Head rotation.

The central axes of the C port and the central axes of the port D intersect vertically and set at the position of two central axes intersection It is equipped with the second microscope base mounting plate, the angle of the second microscope base mounting plate and two central axes is ° and the second microscope base mounting plate is installed There is the second microscope base of the second eyeglass of band, the second microscope base water inlet and the second microscope base water outlet are respectively equipped on second microscope base And the second position where eyeglass is the point of intersection of two central axes, laser beam is incident on from the through-hole at the center second driving shaft B It is incident in laser cutting head on second eyeglass and by the reflection of the second eyeglass along the central axes direction of the port D.

The lower section of the second microscope base mounting plate is equipped with the second microscope base shell, the second microscope base shell and the second microscope base mounting plate It is arranged in parallel and the second microscope base shell is fixedly mounted on the second elbow shell, so that the inside of the second elbow shell forms one Closed cavity.

The second elbow shell is equipped with through-hole D and through-hole D is arranged adjacent to the port D of the second elbow shell；Gas circuit Pipe reaches the outside of the second elbow by through-hole D, again via laser cutting head side after one section of transmission outside rotating shaft assembly Through-hole E on wall enters the inside of laser cutting head, and the laser cutting head is equipped with circuit interface.

The present invention has the following advantages compared with prior art:

The present invention inside rotating shaft assembly by being arranged the mechanisms such as pipeline steering mechanism, pipeline guide springs, by a plurality of water power Air pipe guides to laser cutting head inside rotating shaft assembly, these pipelines will not twine in rotating shaft assembly operational process Around or damage, the normal operation of rotating shaft assembly will not be influenced, also can't see these pipelines outside rotating shaft assembly, therefore Beauty will not be influenced, the pipeline winding efficiently solved on the rotating shaft assembly for connecting laser cutting head in the prior art is brought The problem of；Simple and ingenious structure is suitable for promoting the use of.

Rotating shaft assembly of the invention has interior light-guiding function, i.e. laser optical path is passed through from the center of rotating shaft assembly , laser beam is incident on the reflection component of the first elbow from the top of rotary axis body vertically along the central axes of second driving shaft A On, laser beam after the reflection of the reflection component of the first elbow along second driving shaft B central axes glancing incidence to the second elbow Reflection component on, the laser beam after the reflection of the reflection component of the second elbow is incident along the vertical central axes direction of the second elbow Into laser cutting head；The function of general swivel head is only driven, and also needs to match if using the swivel head that can only be driven Standby external circuits guide system, will increase cost in this way, and be also easy to interfere between swivel head and external circuits, influence The spatial dimension of laser processing；Therefore can not only be driven can also be compact-sized internal guide-lighting for the rotating shaft assembly.

Detailed description of the invention

Attached drawing 1 is the integrally-built main view of rotating shaft assembly of the invention；

Attached drawing 2 is the integrally-built right view of rotating shaft assembly of the invention；

Attached drawing 3 is the broken section magnifying state figure of the integrally-built rearview of rotating shaft assembly and driving assembly of the invention；

Attached drawing 4 is the axonometric drawing of the first transmission shaft of rotating shaft assembly of the invention；

Attached drawing 5 is the schematic diagram of internal structure and its partial enlarged view of rotating shaft assembly of the invention；

Attached drawing 6 is the rotary axis body of rotating shaft assembly of the invention and the bonding state figure and its partial enlargement of driving assembly Figure；

Attached drawing 7 is the left view sectional view of the rotary axis body of rotating shaft assembly of the invention and the integrated structure of driving assembly；

Attached drawing 8 is the axonometric drawing of the pipeline steering mechanism of rotating shaft assembly of the invention；

Attached drawing 9 is the explosive view of the pipeline steering mechanism of rotating shaft assembly of the invention；

Attached drawing 10 is the lower steering block top view of the pipeline steering mechanism of rotating shaft assembly of the invention；

Attached drawing 11 is the internal structure axonometric drawing of the first elbow of rotating shaft assembly of the invention；

Attached drawing 12 is the internal structure left view of the first elbow of rotating shaft assembly of the invention；

Attached drawing 13 is the left view of the first elbow of rotating shaft assembly of the invention；

Attached drawing 14 is the axonometric drawing of the first elbow of rotating shaft assembly of the invention；

Attached drawing 15 is the main view of the first elbow of rotating shaft assembly of the invention；

Attached drawing 16 is the main view sectional view along A-A and its partial enlarged view of the first elbow of rotating shaft assembly of the invention；

Attached drawing 17 is that the first elbow of rotating shaft assembly of the invention hides the axonometric drawing of the first microscope base shell；

Attached drawing 18 is the axonometric drawing of the second elbow of rotating shaft assembly of the invention；

Attached drawing 19 is that the second elbow of rotating shaft assembly of the invention hides the main view of the second microscope base shell；

Attached drawing 20 is that the second elbow of rotating shaft assembly of the invention hides the main view of the second microscope base shell and the second microscope base；

Attached drawing 21 is the rearview of the second elbow of rotating shaft assembly of the invention；

Attached drawing 22 is that the second elbow of rotating shaft assembly of the invention hides the left view of its shell；

Attached drawing 23 is the bottom view of the second elbow of rotating shaft assembly of the invention；

Attached drawing 24 is the second microscope base of rotating shaft assembly of the invention and its combining structure schematic diagram of mounting plate；

Attached drawing 25 is the laser cutting head overlooking structure figure of rotating shaft assembly of the invention；

Attached drawing 26 is the laser cutting head facing structure figure of rotating shaft assembly of the invention.

Wherein: 1-rotary axis body；11-the first transmission shaft；111-first pulleys；112-axially extending bores；113-pipes Pipeline connector B；114-pipe joint C；12-second driving shaft A；121-the second belt wheel；122-third belt wheels；13-rotary shafts Main body cover；131-through-hole B；14-angular contact ball bearings；15-locking nut A；16-crossed roller bearing A；161-hand over Pitch the inner ring of roller bearing A；The outer ring of 162-crossed roller bearing A；17-cylinder roller bearings；18-pipeline steering mechanism； 181-pipeline grooves；182-pipe passage A；183-pipe joint A；184-fillister head screws；185-and locking nut B； 19-pipeline guide springs A；191-spring retaining plates；2-the first elbow；21-the first elbow shell；211-the ports A； 212-the ports B；213-the first microscope base mounting plate；214-U-shaped through-holes；22-second driving shaft B；221-the four belt wheel； 23-the first microscope base；24-the first microscope base shell；25-circular cylindrical cavities；251-through-hole C；26-deep groove ball bearings；27-hand over Pitch roller bearing B；The inner ring of 271-crossed roller bearing B；The outer ring of 272-crossed roller bearing B；28-tension mechanisms； 281-idle pulleys；29-pipeline guide springs B；291-pipeline guide grooves；3-the second elbow；31-the second elbow shell；311—C Port；312-the ports D；313-the second microscope base mounting plate；32-the second microscope base shell；33-the second microscope base；331-the second mirror Seat water inlet；332-the second microscope base water outlet；34-pipe passage B；35-pipe joint D；36-through-hole D；4-driving groups Part；41-first motors；411-first motor belt wheels；42-the second motor；421-the second electrical machine belt pulley；Outside 43-motors Cover；44-motor mounting plates；45-water, electricity and gas connecting plates；451-through-hole A；5-laser cutting heads；51-circuit interfaces； 52-through-hole E.

Specific embodiment

The present invention will be further described below with reference to the accompanying drawings and embodiments.

As shown in Fig. 1-2 6: a kind of for connecting the rotating shaft assembly of laser cutting head, including rotary axis body 1, first Elbow 2, the second elbow 3 and driving assembly 4, driving assembly 4 are mounted on the outside of the rotary axis body shell 13 of rotary axis body 1 And the lower end of rotary axis body 1 is connected with the vertical end of the first elbow 2, the water of the horizontal ends of the first elbow 2 and the second elbow 3 Flush end is connected and the vertical end of the second elbow 3 is connected with laser cutting head 5；The rotary axis body shell of the rotary axis body 1 It is equipped with second driving shaft B22 in the first elbow shell 21 equipped with the first transmission shaft 11 and the first elbow 2 in 13, is nested with first The upper end of pipeline guide springs A19 on transmission shaft 11 is relatively fixed on rotary axis body shell 13 and pipeline guide springs The lower end of A19 is relatively fixed to follow the first transmission shaft 11 to carry out back rotation on the first transmission shaft 11, the first elbow shell 21 it is upper End is fixedly mounted on the lower end of the first transmission shaft 11 and the first transmission shaft 11 is followed to move, and is nested on second driving shaft B22 One end of pipeline guide springs B29 is relatively fixed on the first elbow shell 21 and the other end of pipeline guide springs B29 is opposite It is fixed on second driving shaft B22 and second driving shaft B22 is followed to carry out back rotation, the second elbow shell 31 of the second elbow 3 is fixed Second driving shaft B22 one end and follow second driving shaft B22 move；The fixed water being wound around on pipeline guide springs A19 Electrical pipeline is wrapped on pipeline guide springs B29 and direct from the end of pipeline guide springs B29 after entering in the first elbow 2 Into in the second elbow 3；The rotating shaft assembly component is in use, the first transmission shaft 11 drives the movement of the first elbow 2 and second passes Moving axis B22 drives the movement of the second elbow 3, so that the water power air pipe on pipeline guide springs A19 is with respect to the first elbow shell 21 Water power air pipe on static and pipeline guide springs B29 is static with respect to the second elbow shell 31.

In addition, the rotating shaft assembly has interior light-guiding function, the second driving shaft being provided in the first transmission shaft 11 The channel of the inner hollow in the channel and second driving shaft B22 of the inner hollow of A12 is all laser optical path channel；Laser beam is from rotation The top of shaft main body 1 is along the reflection component that the first elbow 2 is incident in the central axes of second driving shaft A12 vertically, through first Elbow 2 reflection component reflection after laser beam along second driving shaft B22 central axes glancing incidence to the second elbow 3 reflection On component, the laser beam after the reflection of the reflection component of the second elbow 3 is incident on sharp along the vertical central axes direction of the second elbow 3 In light cutting head 5.

It is described in detail below by conjunction with all parts of the attached drawing to rotating shaft assembly provided by the invention into one Step shows the technical solution of rotating shaft assembly of the invention.

As shown in Fig. 1-3,5,7: the rotating shaft assembly includes rotary axis body 1, the first elbow 2, the second elbow 3 and driving Component 4, rotary axis body 1 include the first transmission shaft 11, second driving shaft A12, rotary axis body shell 13, the first elbow 2 packet Include the first elbow shell 21, second driving shaft B22, the first microscope base mounting plate 213 and the first microscope base shell 24, the second elbow 3 packet Include the second elbow shell 31, the second microscope base mounting plate 313 and the second microscope base shell 32, driving assembly 4 includes first motor 41, the Two motors 42 and outsides cover of electric machinery 43.

As shown in figs. 4-7: the two sections of the first transmission shaft 11 are respectively equipped with cylindrical sleeve, the cylindrical sleeve of upper section Diameter is less than the cylindrical sleeve diameter of lower section, and two sections are integrally formed, and the body interior of the cylindrical sleeve of lower section is along circle Multiple axially extending bores 112 are distributed in circumferential direction；Second driving shaft A12 is a cylindrical sleeve, and the outer diameter of second driving shaft A is small In the internal diameter of the first transmission shaft and the channel of second driving shaft A12 inner hollow is laser optical path channel, and second driving shaft A12 is same Axle sleeve is located inside the first transmission shaft 11, and the top of second driving shaft A12 is higher than the top of the first transmission shaft 11, second driving shaft The part that the top A12 is higher by the first transmission shaft 11 is provided with the second belt wheel 121 and the top of the first transmission shaft 11 is provided with first Belt wheel 111, first pulley 111 is in the underface of the second belt wheel 121.The first above-mentioned transmission shaft 11 and second driving shaft A12 it Between connected by angular contact ball bearing 14, the upper and lower ends between two transmission shafts respectively have a pair of of angular contact ball bearing 14, the axis The effect held is the relative motion being isolated between two transmission shafts, and two each spinnings of transmission shaft is allow to be independent of each other；In addition The lower end outside of second driving shaft A12 is arranged with a locking nut A15, and the effect of locking nut A15 is to fix the first transmission Angular contact ball bearing 14 between axis 11 and second driving shaft A12 avoids the slide downward due to gravity of angular contact ball bearing 14.

As illustrated in figs. 5-7: rotary axis body shell 13 is a cylindrical sleeve, and rotary axis body shell 13 is coaxially arranged It outside the first transmission shaft 11, is connected between the two by crossed roller bearing A16 and cylinder roller bearing 17, wherein intersecting rolling The outside of the fixed cylindrical sleeve for being set in 11 upper section of the first transmission shaft of the inner ring 161 of sub- bearing A, crossed roller bearing A's Outer ring 162 is close to 13 upper end inner wall of rotary axis body shell and is simultaneously firmly connected with it, and cylinder roller bearing 17 is fixed to be set in the It is close to 13 lower end of rotary shaft theme shell in the outside in the outside of the cylindrical sleeve of one transmission shaft, 11 lower section, cylinder roller bearing 17 Inner wall is simultaneously firmly connected with it；The effect of crossed roller bearing A16 and cylinder roller bearing 17 is in order to which the first transmission shaft is isolated Relative motion between 11 and rotary axis body shell 13, the first transmission shaft 11 are revolving parts, and rotary axis body shell 13 is solid Determine part.

As shown in Fig. 3,5-6,8-10: being provided with a crescent pipeline below the outer ring of crossed roller bearing A 162 and turn To mechanism 18, which is made of upper and lower two pipeline steering blocks, respectively has four in the two pipeline steering blocks Two pipeline steering blocks are bolted together and are formed four through pipeline steering mechanism by the pipeline groove 181 being correspondingly arranged The entrance of pipe passage A182 inside 18, this four pipe passage A182 are in 18 outside of pipeline steering mechanism, pipe passage The outlet of A182 is provided with pipe joint A183 in exit in 18 inside of pipeline steering mechanism.In addition outside rotary axis body There are a through-hole B131, the entrance pair of four pipe passage A182 in 18 outside through-hole B131 and pipeline steering mechanism on shell 13 It should be arranged.It is arranged with pipeline guide springs A19, between 11 upper section of the first transmission shaft and rotary axis body shell 13 for guiding With fixed water power air pipe.Have below the pipeline steering mechanism 18 three groups of arc-shaped spaced fillister head screws 184 and with Matching used and locking nut B185, this three groups of fillister head screws 184 and be used to fixing pipe pass with locking nut B185 The initial segment of guided missile spring A19, wherein having a radial hole on each fillister head screw 184, by pipeline guide springs A19's Starting point is sequentially inserted into the aperture of these three fillister head screws 184, then with and locking nut B185 by fillister head screw 184 It is fixed on the lower section of pipeline steering mechanism 18；The latter end of pipeline guide springs A19 is fixed on spring retaining plate 191, and spring is solid Fixed board 191 is mounted on the boss ontology of the cylindrical sleeve of 11 lower section of the first transmission shaft, and pipeline guide springs A19 latter end is consolidated It is identical as the initial segment to determine mode.

As shown in Fig. 1-3,5-7: driving assembly 4 is arranged in the side of rotary axis body shell 13, including first motor 41, Second motor 42 and outsides cover of electric machinery 43, two motors drive the first transmission shaft 11 and second driving shaft A12, motor and transmission respectively It is driven between axis by belt.For the setting of outsides cover of electric machinery 43 in outside motor, effect is protection motor, is also used as connecting Entire rotating shaft assembly can be connected on laser process equipment by part by outsides cover of electric machinery 43.On the top of outsides cover of electric machinery 43 There are two pieces of motor mounting plates 44, two pieces of motor mounting plates 44 are respectively intended to install fixed first motor 41 and the second motor 42, and two There is a water, electricity and gas connecting plate 45 between block motor mounting plate 44, has a through-hole A451 on water, electricity and gas connecting plate 45, for mentioning Water supply electrical pipeline is by the external channel entered inside rotating shaft assembly.The top of first motor 41 is provided with first motor belt wheel 411 and second the top of motor 42 be provided with the second electrical machine belt pulley 421.

As shown in Fig. 1-3,5,11-17: the lower section of rotary axis body 1 is arranged in the first elbow 2, and the first elbow shell 21 has Two ports, are the port A 211 and the port B 212 respectively, the two ports are circular port, the port A 211 and the port B 212 Central axes intersect vertically, and the first microscope base mounting plate 213, the installation of the first microscope base are provided near the position of two central axes intersection Plate 213 and the angle of two central axes are 45 °, and the first microscope base 23 is mounted on the first microscope base mounting plate 213, the first eyeglass peace On the first microscope base 23, the position where the first eyeglass is exactly the point of intersection of two central axes, and laser beam is driven from second The through-hole at the center axis A12 is incident on the first eyeglass, by the first eyeglass reflection just along the port B 212 central axes direction It is incident in the second elbow 3.

As shown in Fig. 1-3,5,11-17: the port A 211 of the first elbow shell 21 passes through the first transmission shaft 11 and rotary shaft Main body 1 is coaxially connected, and the port A 211 is fixedly connected with the lower end of the first transmission shaft 11, and the first transmission shaft 11 can drive first curved Head shell 21 rotates, and the port B 212 of the first elbow shell 21 is connect by second driving shaft B22 with the second elbow shell 31, the Two transmission shaft B22 can drive the second elbow shell 31 to rotate.The lower section of first microscope base mounting plate 213 is the first microscope base shell 24, the first microscope base shell 24 is arranged in parallel with the first microscope base mounting plate 213, and the first microscope base shell 24 is fixedly mounted on the first elbow On shell 21, the inside of the first elbow shell 21 is made to form a closed cavity.Second driving shaft B22 is a cylindrical shroud The cylinder and channel of second driving shaft B22 inner hollow is laser optical path channel has a circle annular convex platform in one end of sleeve, and second Transmission shaft B22 is co-axially located in circular cylindrical cavity 25 and is connected between the two by bearing, and one end close to the port A 211 is set It is equipped with deep groove ball bearing 26, the other end is crossed roller bearing B27, and crossed roller bearing B27 includes the interior of crossed roller bearing B The outer ring 272 of 271 and crossed roller bearing B is enclosed, wherein the fixation of inner ring 271 of crossed roller bearing B is set in second driving shaft B22 is upper and is fixedly connected with the annular convex platform of the end second driving shaft B22, and then fixed by annular convex platform and the second elbow 3 Connection, the outer ring 272 of crossed roller bearing B27 is close on 212 inner wall of the port B of the first elbow shell 21 and the company of being secured to It connects.Third belt wheel 122 is arranged with and in second driving shaft B22 close to second driving shaft A12's in the lower end of second driving shaft A12 One end is provided with the 4th belt wheel 221, outside of the 4th belt wheel 221 in 25 one end of circular cylindrical cavity；Third belt wheel 122 and the 4th band Wheel 221 is correspondingly arranged and the central axes of third belt wheel 122 and the 4th belt wheel 221 are mutually perpendicular to, in addition in the first elbow shell 21 Inner wall on setting there are two with third belt wheel 122 and the matching used tension mechanism 28 of the 4th belt wheel 221, outside the first elbow Respectively there is a U-shaped through-hole 214 in position corresponding with two tension mechanisms 28 on shell 21, can be from first by the U-shaped through-hole 214 The tension mechanism 28 of its inside is adjusted in the outside of elbow 2；The belt of winding bypasses tension mechanism 28 on third belt wheel 122 On idle pulley 281 after be wound around on the 4th belt wheel 221 again, tension mechanism 28 is for cooperating third belt wheel 122 and the 4th belt wheel 221 The rotary motion of second driving shaft A12 is passed into second driving shaft B22.

As shown in Fig. 5,11-17: being arranged with pipeline guide springs between second driving shaft B22 and circular cylindrical cavity 25 B29, for guiding and fixing water power air pipe.The initial segment of pipeline guide springs B29 is held away from the cylinder of the port B 212 The latter end of the end face inner wall of shape cavity 25, pipeline guide springs B29 is fixed on pipeline guide groove 291, and pipeline guide groove 291 is set in On second driving shaft B22, the position of pipeline guide groove 291 against crossed roller bearing B inner ring 271 and with crossed roller bearing B Inner ring 271 be fixedly connected；And pipeline guide springs B29 the initial segment and the fixed form of latter end rise with pipeline guide springs A19 The fixed form of beginning section is identical.

As shown in Fig. 5,11-17: having a circular cylindrical cavity 25, the circular cylindrical cavity in the inside of the first elbow shell 21 25 are overlapped close to the port B 212, the central axes of circular cylindrical cavity 25 with the central axes of the port B 212；The circular cylindrical cavity 25 is remote Bottom from 212 one end of the port B has a through-hole C251, through-hole C251 to be used to water power air pipe introducing circular cylindrical cavity 25 Inside.

As shown in Fig. 5,16,18: having a plurality of pipe passage B34, pipe passage between pipeline guide groove 291 and the second elbow 3 B34 along axial direction sequentially pass through pipeline guide groove 291, the inner ring 271 of crossed roller bearing B, second driving shaft B22 lug bosses at end part, The end face of the C port 311 of second elbow shell 31.The entrance of pipe passage B34 is on pipeline guide groove 291, pipe passage B34 The end face inner wall in the second elbow shell 31 is exported, the exit of pipe passage B34 is provided with pipe joint D35.

As shown in Fig. 1-3,5,18-24: the side of the first elbow 2 is arranged in the second elbow 3, and there are two ports, respectively It is C port 311 and the port D 312, the two ports are circular port, the phase vertical with the central axes of the port D 312 of C port 311 It hands over, is provided with the second microscope base mounting plate 313 near the position of two central axes intersection, the second microscope base mounting plate 313 and two The angle of central axes is 45 °, and the second microscope base 33 is mounted on the second microscope base mounting plate 313, and the second eyeglass is mounted on the second mirror On seat 33, the position where the second eyeglass is exactly the point of intersection of two central axes, and laser beam is from the center second driving shaft B22 Through-hole is incident on the second eyeglass, is incident on laser just along the central axes direction of the port D 312 by the reflection of the second eyeglass and is cut It cuts in first 5.It is the second microscope base shell 32 in the lower section of the second microscope base mounting plate 313, the second microscope base shell 32 and the second microscope base are pacified Loading board 313 is arranged in parallel, and the second microscope base shell 32 is fixedly mounted on the second elbow shell 31, makes the interior of the second elbow shell 31 Portion forms a closed cavity.C port 311 is coaxial by second driving shaft B22 and the port B 212 of the first elbow shell 21 Connection, the port D 312 and laser cutting head 5 are coaxially connected, and second driving shaft B22 is able to drive the rotation of the second elbow 3, and second is curved First 3 can drive laser cutting head 5 to rotate.

As shown in Fig. 1-3,25-26: being equipped with circuit interface 51 and through-hole E52 on laser cutting head 5.

Just the following further describes the technical solution of the present invention for the motion mode of rotating shaft assembly of the invention below: rotation First transmission shaft 11 of rotating assembly is driven by first motor 41, and the first pulley 111 on 11 top of the first transmission shaft passes through belt It is sequentially connected with the first motor belt wheel 411 on 41 top of first motor, first motor 41 drives the first transmission shaft 11 by belt Rotation because the lower end of the first transmission shaft 11 is fixedly connected with the first elbow 2, and then drives the synchronous rotation of the first elbow 2, is Narration is convenient, and the motion profile that the first transmission shaft 11 drives first elbow 2 to be formed now is known as the first motion profile.Second passes Moving axis A12 is driven by the second motor 42, and second belt wheel 121 on the top second driving shaft A12 is pushed up by belt and the second motor 42 Second electrical machine belt pulley 421 transmission connection at end, the second motor 42 drive second driving shaft A12 to rotate by belt, the second transmission Axis A12 further passes through successively around third belt wheel 122, the belt of tension mechanism 28 and the 4th belt wheel 221, passes motion to Second driving shaft B22 because one end of second driving shaft B22 is fixedly connected with the second elbow 3, and then drives the second elbow 3 and its Synchronous rotary.In order to describe conveniently, the second driving shaft B22 motion profile for driving the second elbow 3 to be formed now is known as the second fortune Dynamic rail mark.Because second driving shaft B22 is connect with the first elbow 2 by deep groove ball bearing 26 and crossed roller bearing B27, so First elbow 2 will drive second driving shaft B22 and move along the first motion profile, while second driving shaft B22 can also drive second Elbow 3 is run along the second motion profile, so the finally formed motion profile of the second elbow 3 is the first motion profile and the second fortune The superposition track of dynamic rail mark, because laser cutting head 5 is fixedly connected with the second elbow 3, so the actual motion rail of laser cutting head 5 Mark is exactly to be superimposed track.

Just the connection type of the water power air pipe in rotating shaft assembly of the invention is described further below: in order to make Laser cutting device can work normally, and need to intert one group of water power air pipe in rotating shaft assembly, water power air pipe is generally from electricity The top of machine outer cover 43 enters inside rotating shaft assembly, successively arrives after rotary axis body 1, the first elbow 2 and the second elbow 3 Up to laser cutting head 5, this group of pipeline generally comprises two water routes, a circuit and a gas circuit, amounts to four pipelines.Wherein Two water routes include a water inlet pipe and an outlet pipe, for providing recirculated cooling water to eyeglass；Circuit to laser for cutting Cut the anticollision mechanism power supply on first 5；Gas circuit is used to supply to the high pressure gas nozzle on laser cutting head 5, and high pressure gas nozzle is for blowing away The material slag generated when laser cutting.

Wherein water power air pipe enters inside outsides cover of electric machinery 43 via the water, electricity and gas connecting plate 45 at 43 top of outsides cover of electric machinery, water There is a circular through hole A451 on electrical connection plate 45, water power air pipe enters inside outsides cover of electric machinery 43 via through-hole A451, connects Successively by the through-hole B131 on rotary axis body shell 13 and the pipeline turning machine being correspondingly arranged with the position through-hole B131 Structure 18 enters inside rotary axis body shell 13, and water power air pipe is defeated by the pipe joint A183 of 18 inside of pipeline steering mechanism Out.Derived water power air pipe moves towards fixed and is wound around pipeline and draws along pipeline guide springs A19 from pipe joint A183 On guided missile spring A19, water power air pipe extends at spring retaining plate 191 along pipeline guide springs A19, then by pipe Pipeline connector B113 is entered in the axially extending bore 112 of 11 lower section boss body interior of the first transmission shaft, after passing through axially extending bore 112 It is exported by pipe joint C114.Water power air pipe is directly entered inside the first elbow 2 derived from pipe joint C114, because of first Transmission shaft 11 is fixedly connected with the first elbow 2, and the first transmission shaft 11 will drive the synchronous rotation of the first elbow 2 when rotated Turn, i.e. the first elbow 2 is static in contrast to the first transmission shaft 11 when rotated, therefore convex by 11 lower end of the first transmission shaft Axially extending bore 112 inside platform enters the water power air pipe in the first elbow 2, the shadow that can't be rotated by the first transmission shaft 11 It rings, when the first transmission shaft 11 rotates, the first transmission shaft 11 and the first elbow 2 and its water power air pipe of inside are all opposing stationary 's.Enter inside circular cylindrical cavity 25 into the water power air pipe inside the first elbow 2 via through-hole C251, then along pipeline Guide springs B29 move towards fixation be wound around on pipeline guide springs B29, water power air pipe along pipeline guide springs B always It extends at pipeline guide groove 291, is exported after then passing through pipe passage B34 by pipe joint D35.It is exported from pipe joint D35 Water power air pipe be directly entered inside the second elbow 3, because second driving shaft B22 is fixedly connected with the second elbow 3, second Transmission shaft B22 will drive the synchronous rotation of the second elbow 3 when rotated, i.e. second driving shaft B22 the second elbow 3 when rotated It is pipeline guide groove 291 and crossed roller bearing B inner ring 271 that be static in contrast, being fixedly mounted on second driving shaft B22 It is also relatively stationary with second driving shaft B22, therefore the water power air pipe in the second elbow 3 is entered by pipe passage B34, Can't be rotated by second driving shaft B22 is influenced, when second driving shaft B22 rotates, second driving shaft B22 and the second elbow Water power air pipe inside 3 and pipe passage B34 is all relatively stationary.

Water power air pipe is just separated from each other respective transmission after entering the second elbow 3, and what is be passed through in two of them water pipe follows Ring cooling water successively cools down the second microscope base 33 and the first microscope base 23；Circuit on circuitron and 5 end face of laser cutting head Interface 51 connects, and by circuit interface 51 by the anticollision button of electric signal transmission to laser cutting head 5, supplies to anticollision button Electricity；Gas circuit pipe reaches the outside of the second elbow 3 by the through-hole D36 on the second elbow 3, and one is transmitted outside rotating shaft assembly Enter inside laser cutting head 5 via the through-hole E52 on 5 side wall of laser cutting head again after segment, thus conveys high pressure gas To near the cutting head of laser cutting head 5, when laser via cutting head output workpiece is cut when, high pressure gas will with swash Light beam coaxially exports, and the slag generated in cutting process is blown off rapidly cutting surfaces, guarantees that the cut surface of workpiece is bright and clean, without molten Slag residual.

Cooling water is as follows into the flow direction after the second elbow 3 by water inlet pipe: the second microscope base water inlet in the second elbow 3 Pipe, outlet pipe respectively on the second microscope base 23 the second microscope base water inlet 331 and the second microscope base water outlet 332 connect, cooling water Entered in the second microscope base 33 by the second microscope base water inlet 331, the second microscope base 33 is cooled down, is then discharged by the second microscope base Mouth 332 flows out, and the cooling water that the second microscope base water outlet 332 flows out is imported into the first microscope base 23 by the second microscope base outlet pipe, i.e., Channel B34 enters in the first elbow 2 second microscope base outlet pipe by the road, the second microscope base outlet pipe and first in the first elbow 2 The water inlet of microscope base 23 connects, thus cooling water enters the first microscope base 23 and cools down to the first eyeglass, then cooling water by The water outlet of first microscope base 23 flows out, and the water outlet of the first microscope base 23 is connect with the outlet pipe of the first microscope base 23, the first microscope base 23 Outlet pipe the cooling water of cooled second microscope base 33 and the first microscope base 23 is output to rotation through the outlet pipe in water power air pipe Outside rotating assembly, it is connected with external water cooling unit, external water cooling unit gives 23 He of the first microscope base by water inlet pipe and outlet pipe Second microscope base 33 provides continual cooling water.

The present invention, will be more by the way that the mechanisms such as pipeline steering mechanism 18, pipeline guide springs are arranged inside rotating shaft assembly Water power air pipe guides to laser cutting head 5 inside rotating shaft assembly, these pipelines are not in rotating shaft assembly operational process It can occur to wind or damage, the normal operation of rotating shaft assembly will not be influenced, also can't see these outside rotating shaft assembly Pipeline, therefore beauty will not be influenced, efficiently solve the pipe on the rotating shaft assembly for connecting laser cutting head in the prior art The problem of road winding is brought；Simple and ingenious structure is suitable for promoting the use of.

The function of general swivel head is only driven, and also needs to be equipped with exterior light if using the swivel head that can only be driven Pass guiding systems will increase cost in this way, and be also easy to interfere between swivel head and external circuits, influence to laser machine Spatial dimension.And rotating shaft assembly of the invention has interior light-guiding function, i.e. laser optical path is from the center of rotating shaft assembly By, laser beam is incident on the first elbow 2 along the central axes of second driving shaft A12 from the top of rotary axis body 1 vertically On reflection component, through the first elbow 2 reflection component reflection after laser beam along second driving shaft B22 central axes glancing incidence Onto the reflection component of the second elbow 3, the laser beam after the reflection of the reflection component of the second elbow 3 is along the vertical of the second elbow 3 It is incident in laser cutting head 5 in central axes direction；Therefore can not only be driven can also be internal guide-lighting for the rotating shaft assembly, and structure is tight It gathers.

The above examples only illustrate the technical idea of the present invention, and this does not limit the scope of protection of the present invention, all According to the technical idea provided by the invention, any changes made on the basis of the technical scheme each falls within the scope of the present invention Within；The technology that the present invention is not directed to can be realized by the prior art.

Claims (22)

1. it is a kind of for connecting the rotating shaft assembly of laser cutting head, including rotary axis body (1) and driving assembly (4), it is special Sign is: the driving assembly (4) is mounted on the outside of the rotary axis body shell (13) of rotary axis body (1) and rotary shaft The lower end of main body (1) is connected with the vertical end of the first elbow (2), the horizontal ends of the first elbow (2) and the water of the second elbow (3) Flush end is connected and the vertical end of the second elbow (3) is connected with laser cutting head (5)；In the rotary axis body shell (13) Second driving shaft B(22 is equipped in the first elbow shell (21) equipped with the first transmission shaft (11) and the first elbow (2)), it is nested with Pipeline guide springs A(19 on first transmission shaft (11)) upper end it is relatively fixed on rotary axis body shell (13) and pipeline Guide springs A(19) lower end it is relatively fixed follow the first transmission shaft (11) to carry out back rotation on the first transmission shaft (11), first The upper end of elbow shell (21) is fixedly mounted on the lower end of the first transmission shaft (11) and the first transmission shaft (11) is followed to move, and is nested with Pipeline guide springs B(29 on second driving shaft B(22)) one end relatively fixed on the first elbow shell (21) and manage Road guide springs B(29) the other end relatively fixed second driving shaft B(22 is followed on second driving shaft B(22)) Lai Huizhuan Dynamic, the second elbow shell (31) of the second elbow (3) is fixed on second driving shaft B(22) one end and follow second driving shaft B (22) it moves；Fixation be wound around pipeline guide springs A(19) on water power air pipe enter the first elbow (2) in after be wrapped in pipe Road guide springs B(29) on and be directly entered in the second elbow (3) from the end of pipeline guide springs B(29)；The rotary shaft group Part component is in use, the first transmission shaft (11) drives the first elbow (2) movement and second driving shaft B(22) drive the second elbow (3) move, so that pipeline guide springs A(19) on water power air pipe is static with respect to first elbow shell (21) and pipeline guidance Water power air pipe in spring B (29) is static with respect to the second elbow shell (31).

2. according to claim 1 for connecting the rotating shaft assembly of laser cutting head, it is characterised in that: described second Transmission shaft B(22) driven by second driving shaft A(12), second driving shaft A(12) coaxially it is set in the interior of the first transmission shaft (11) It is connected in chamber and between the two by angular contact ball bearing (14), is arranged with locking in the lower end outside of second driving shaft A(12) Nut A(15), locking nut A(15) for fixing the first transmission shaft (11) and second driving shaft A(12) and between angular contact ball Bearing (14).

3. according to claim 2 for connecting the rotating shaft assembly of laser cutting head, it is characterised in that: described second passes Moving axis A(12) top be higher than the first transmission shaft (11) top and the raised area be provided with the second belt wheel (121), the second belt wheel (121) second electrical machine belt pulley (421) at end is driven to be connected with the second motor (42) in driving assembly (4) by conveyer belt, So that the second motor (42) drives second driving shaft A(12) rotation；The second driving shaft A(12) lower end protrusion first transmission The inner cavity of axis (11) and protrusion, which set up separately, to be equipped with third belt wheel (122), and corresponding with the lower end of second driving shaft A(12) second Transmission shaft B(22) one end be provided with the 4th belt wheel (221), the belt on third belt wheel (122) by be arranged in the first elbow Tension mechanism (28) in the inner cavity of shell (21) is connected with the 4th belt wheel (221), by the rotation of second driving shaft A(12) Movement passes to second driving shaft B(22).

4. according to claim 2 or 3 for connecting the rotating shaft assembly of laser cutting head, it is characterised in that: described the Two transmission shaft A(12) inner hollow channel and second driving shaft B(22) the channel of inner hollow be all that laser optical path is logical Road；Laser beam is incident on the first elbow (2) along the central axes of second driving shaft A(12) from the top of rotary axis body (1) vertically Reflection component on, through the first elbow (2) reflection component reflection after laser beam along second driving shaft B(22) central axes water Flat to be incident on the reflection component of the second elbow (3), the laser beam after the reflection of the reflection component of the second elbow (3) is curved along second It is incident in laser cutting head (5) in the vertical central axes direction of head (3)；So that the rotating shaft assembly has interior light-guiding function.

5. according to claim 1 to 3 for connecting the rotating shaft assembly of laser cutting head, it is characterised in that: described The top of first transmission shaft (11) is provided with first pulley (111), and first pulley (111) passes through conveyer belt and driving assembly (4) In first motor (41) driving end first motor belt wheel (411) be connected so that first motor (41) driving first transmission Axis (11) rotation.

6. according to claim 1 to 3 for connecting the rotating shaft assembly of laser cutting head, it is characterised in that: described Outer wall upper section, the lower section of first transmission shaft (11) are respectively equipped with cylindrical sleeve, the cylindrical shroud of the first transmission shaft (11) upper section Cylinder passes through crossed roller bearing A(16), the cylindrical sleeve of lower section by cylinder roller bearing (17) respectively with rotary axis body The inner wall of shell (13) is fixedly linked；The crossed roller bearing A(16) include crossed roller bearing A inner ring (161) and The outer ring (162) of crossed roller bearing A, wherein inner ring (161) fixation of crossed roller bearing A is set in the first transmission shaft (11) It is close to the inner wall of rotary axis body shell (13) simultaneously in the outer ring (162) in the outside of the cylindrical sleeve of upper section, crossed roller bearing A It is firmly connected with it.

7. according to claim 6 for connecting the rotating shaft assembly of laser cutting head, it is characterised in that: the intersection rolling The bottom of the outer ring (162) of sub- bearing A is fixedly installed a crescent pipeline steering mechanism (18), the pipeline steering mechanism (18) The pipeline groove for being constituted by upper and lower two pipeline steering blocks and respectively being there are four to be correspondingly arranged in upper and lower two pipeline steering blocks (181), two pipeline steering blocks being bolted together, it is logical to be formed four pipelines through pipeline steering mechanism (18) inside Road A(182), four pipe passage A(182) outside of the entrance in pipeline steering mechanism (18), pipe passage A(182) go out Mouth is arranged the inside in pipeline steering mechanism (18) and the exit is provided with pipe joint A(183)；The pipeline turning machine Have matching used fillister head screw (184) and locking nut B(185 below structure (18)), fillister head screw (184) and locking Nut B(185) with the use of the bottom that the initial segment of pipeline guide springs A(19) is fixed on to pipeline steering mechanism (18).

8. according to claim 7 for connecting the rotating shaft assembly of laser cutting head, it is characterised in that: the rotation Shaft body shell (13) is equipped with to be led to what the entrance of the pipe passage A(182 on the outside of pipeline steering mechanism (18)) was correspondingly arranged Hole B(131).

9. according to claim 6 for connecting the rotating shaft assembly of laser cutting head, it is characterised in that: described first Spring retaining plate of the boss ontology of the cylindrical sleeve of transmission shaft (11) lower section equipped with fixing pipe road guide springs A(19) (191), and in the upper and lower sides of the boss ontology it is respectively equipped with pipe joint B(113) and pipe joint C(114), water power air pipe Along pipeline guide springs A(19) it extends at spring retaining plate (191), then pass through pipe joint B(113) enter The multiple axially extending bores (112) being along the circumferential direction distributed on the boss ontology of the cylindrical sleeve of the first transmission shaft (11) lower section In, water power air pipe is exported after passing through axially extending bore (112) by pipe joint C(114).

10. according to claim 3 for connecting the rotating shaft assembly of laser cutting head, it is characterised in that: described the The central axes of three belt wheels (122) and the 4th belt wheel (221) are mutually perpendicular to, and are matched with third belt wheel (122) and the 4th belt wheel (221) It covers the tension mechanism (28) used to be fixed on the inner wall of the first elbow shell (21), winding on third belt wheel (122) Belt is wound around on the 4th belt wheel (221) again afterwards around the idle pulley (281) on tension mechanism (28), and right with tension mechanism (28) The the first elbow shell (21) answered is equipped with corresponding U-shaped through-hole (214), can be from the first elbow by the U-shaped through-hole (214) (2) tension mechanism (28) of its inside is adjusted in outside.

11. according to claim 1 for connecting the rotating shaft assembly of laser cutting head, it is characterised in that: the drive Dynamic component (4) are arranged in the side of rotary axis body shell (13), and driving assembly (4) includes first motor (41), the second motor (42), outsides cover of electric machinery (43), motor mounting plate (44) and water, electricity and gas connecting plate (45), for respectively install first motor (41) and The motor mounting plate (44) of second motor (42) is all located at the top of outsides cover of electric machinery (43), and between two pieces of motor mounting plates (44) Equipped with a water, electricity and gas connecting plate (45), and water, electricity and gas connecting plate (45) is equipped with and provides water power air pipe by external into rotary shaft The through-hole A(451 in component internal channel)；The first motor (41) and the second motor (42) passes through corresponding biography respectively Dynamic component goes to drive the first transmission shaft (11) and second driving shaft A(12) rotation.

12. according to claim 1 for connecting the rotating shaft assembly of laser cutting head, it is characterised in that: described first The port A (211) of elbow shell (21) is coaxially connected by the first transmission shaft (11) and rotary axis body (1), the port A (211) It is fixedly linked with the lower end of the first transmission shaft (11) so that the first transmission shaft (11) is able to drive the rotation of the first elbow shell (21)； The port B (212) of the first elbow shell (21) passes through second driving shaft B(22) it is connect with the second elbow shell (31) and the Two transmission shaft B(22) it is able to drive the rotation of the second elbow shell (31).

13. according to claim 12 for connecting the rotating shaft assembly of laser cutting head, it is characterised in that: the end A The central axes of mouthful (211) and the central axes of the port B (212) intersect vertically and are provided with the at the position of two articles of central axes intersection The angle of one microscope base mounting plate (213), the first microscope base mounting plate (213) and two central axes is 45 ° and the first microscope base is installed Plate (213) is provided with the first microscope base (23) of the first eyeglass, and the position where the first eyeglass is the point of intersection of two central axes, Laser beam is incident on the first eyeglass and by the reflection of the first eyeglass along the port B from the through-hole at the center second driving shaft A(12) (212) it is incident in the second elbow (3) in central axes direction.

14. according to claim 13 for connecting the rotating shaft assembly of laser cutting head, it is characterised in that: described first The lower section of microscope base mounting plate (213) is equipped with the first microscope base shell (24), the first microscope base shell (24) and the first microscope base mounting plate (213) it is arranged in parallel and the first microscope base shell (24) is fixedly mounted on the first elbow shell (21), so that the first elbow shell (21) inside forms a closed cavity.

15. according to claim 1, any rotating shaft assembly for being used to connect laser cutting head of 12-14, feature exist In: the inside of the first elbow shell (21) is equipped with a cylindrical cavity adjacent to the port B (212) of the first elbow shell (21) The central axes of body (25) and circular cylindrical cavity (25) are overlapped with the central axes of the port B (212)；On the circular cylindrical cavity (25) Bottom far from the port B (212) one end, which is equipped with, can introduce water power air pipe circular cylindrical cavity (25) internal through-hole C (251).

16. according to claim 15 for connecting the rotating shaft assembly of laser cutting head, it is characterised in that: described second Transmission shaft B(22) it is co-axially located in circular cylindrical cavity (25) and is connected between the two by bearing, wherein second driving shaft B (22) one end of the port A (211) is provided with deep groove ball bearing 26 and the other end is provided with crossed roller bearing B(27), it hands over Fork roller bearing B(27) include crossed roller bearing B inner ring (271) and the outer ring (272) of crossed roller bearing B, intersect roll The outer ring (272) of sub- bearing B is fixedly mounted on the inner wall of the first elbow shell (21) at the port B (212), crossed roller axis Inner ring (271) fixation for holding B is set in second driving shaft B(22) on and it is solid with the annular convex platform of the end second driving shaft B(22) Fixed connection, second driving shaft B(22) annular convex platform of end is fixedly connected with the second elbow (3).

17. according to claim 16 for connecting the rotating shaft assembly of laser cutting head, it is characterised in that: the pipe Road guide springs B(29) be nested in circular cylindrical cavity (25) and second driving shaft B(22) between second driving shaft B(22) on, Pipeline guide springs B(29) the initial segment be held away from the port B (212) circular cylindrical cavity (25) end face inner wall, pipeline Guide springs B(29) latter end be fixed on second driving shaft B(22) on pipeline guide groove (291) on, pipeline guide groove (291) abuts The inner ring (271) of crossed roller bearing B is arranged and is fixed on the inner ring (271) of crossed roller bearing B.

18. according to claim 17 for connecting the rotating shaft assembly of laser cutting head, it is characterised in that: the pipe Have a plurality of pipe passage B(34 between road guide groove (291) and the second elbow (3)), pipe passage B(34) along axial direction sequentially pass through pipe Inner ring (271), the second driving shaft B(22 of road guide groove (291), crossed roller bearing B) lug bosses at end part, the second elbow shell (31) end face of C port (311)；The pipe passage B(34) entrance on pipeline guide groove (291) and pipe passage B (34) outlet is provided with pipe joint D in the exit of pipe passage B(34) in the end face inner wall of the second elbow shell (31) (35).

19. being used to connect the rotating shaft assembly of laser cutting head according to claim 1 or described in 18, it is characterised in that: described The port B (212) that the C port (311) of second elbow shell (31) passes through second driving shaft B(22) and the first elbow shell (21) Coaxially connected, C port (311) and one end of second driving shaft B(22) are fixedly linked so that second driving shaft B(22) it is able to drive The rotation of second elbow shell (31)；The port D (312) of the second elbow shell (31) and laser cutting head (5) are coaxially connected； So that second driving shaft B(22) pass through the second elbow (3) drive laser cutting head (5) rotation.

20. according to claim 19 for connecting the rotating shaft assembly of laser cutting head, it is characterised in that: the C-terminal The central axes of mouthful (311) and the central axes of the port D (312) intersect vertically and are provided with the at the position of two articles of central axes intersection The angle of two microscope base mounting plates (313), the second microscope base mounting plate (313) and two central axes is 45 ° and the second microscope base is installed Plate (313) is provided with the second microscope base (33) of the second eyeglass, is respectively equipped with the second microscope base water inlet on the second microscope base (33) (331) position and where the second microscope base water outlet (332) and the second eyeglass is the point of intersection of two central axes, and laser beam is from the Two transmission shaft B(22) through-hole at center is incident on the second eyeglass and the axis by the reflection of the second eyeglass along the port D (312) It is incident in laser cutting head (5) in line direction.

21. according to claim 20 for connecting the rotating shaft assembly of laser cutting head, it is characterised in that: described second The lower section of microscope base mounting plate (313) is equipped with the second microscope base shell (32), the second microscope base shell (32) and the second microscope base mounting plate (313) it is arranged in parallel and the second microscope base shell (32) is fixedly mounted on the second elbow shell (31), so that the second elbow shell (31) inside forms a closed cavity.

22. according to claim 1 for connecting the rotating shaft assembly of laser cutting head, it is characterised in that: described the Double section belt arm shell (31) is equipped with through-hole D(36) and through-hole D(36) be arranged adjacent to the port D (312) of the second elbow shell (31)； The outside that gas circuit pipe reaches the second elbow (3) by through-hole D(36), again via sharp after one section of transmission outside rotating shaft assembly Through-hole E(52 on light cutting head (5) side wall) enter the inside of laser cutting head (5), and set on the laser cutting head (5) There are circuit interface (51).