CN113351986A - High-precision laser welding machine - Google Patents
High-precision laser welding machine Download PDFInfo
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- CN113351986A CN113351986A CN202110692618.9A CN202110692618A CN113351986A CN 113351986 A CN113351986 A CN 113351986A CN 202110692618 A CN202110692618 A CN 202110692618A CN 113351986 A CN113351986 A CN 113351986A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
- B23K26/20—Bonding
- B23K26/21—Bonding by welding
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
- B23K26/0093—Working by laser beam, e.g. welding, cutting or boring combined with mechanical machining or metal-working covered by other subclasses than B23K
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
- B23K26/08—Devices involving relative movement between laser beam and workpiece
- B23K26/0823—Devices involving rotation of the workpiece
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
- B23K26/70—Auxiliary operations or equipment
- B23K26/702—Auxiliary equipment
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- Optics & Photonics (AREA)
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- Mechanical Engineering (AREA)
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Abstract
The invention relates to the technical field of laser welding machines, and provides a high-precision laser welding machine which comprises a rack, a laser welding head, a welding table, a workpiece fixing device and a rotating clamping piece, wherein the laser welding head is arranged on the rack in a sliding mode along a first direction, the welding table is arranged on the rack in a sliding mode along a second direction, the welding table is positioned below the laser welding head, the workpiece fixing device is arranged on the welding table in a sliding mode along a third direction, the workpiece fixing device is positioned on one side of the laser welding head and comprises an object carrying plate, the object carrying plate is arranged on the welding table in a sliding mode along the third direction, a fixing frame is rotatably arranged on the object carrying plate, the rotating clamping piece is rotatably arranged on the fixing frame, a rotating shaft of the rotating clamping piece is perpendicular to a rotating shaft of the fixing frame, the rotating clamping piece is used for clamping a workpiece, and the laser welding head faces to the intersection point of the rotating clamping piece rotating shaft and the fixing frame rotating shaft. Through above-mentioned technical scheme, the inconvenient problem of laser welding machine welding clean shot work piece among the prior art has been solved.
Description
Technical Field
The invention relates to the technical field of laser welding, in particular to a high-precision laser welding machine.
Background
Along with the development of social economy, more and more people pay attention to the health of the body, and a part of people can apply to a product, the hollow iron ball, accomplish the exercise of hand through hollow iron ball or solid iron ball for the hand is more nimble.
The existing hollow iron ball is usually welded manually after aligning two hemispherical shells with standard equal diameters in the earlier stage of manufacturing, so that the operation is very inconvenient, the efficiency is low, and when the hollow iron ball is polished after welding, because a welding trace is only a circular outline, if the polishing stone is too small, the welding trace is not easy to polish, if the polishing stone is too large, the polishing stone consumes fast at the welding trace, a groove is easy to form, so that other parts except the welding trace of the hollow iron ball are particularly easy to polish, and the standard of the spherical shape of the hollow iron ball is not easy to achieve,
in addition, when the two hemispherical spherical shells are welded, the two hemispherical spherical shells are easy to shift and not easy to align, and the welding is easy to have a weak condition.
Firstly, to the preparation of clean shot iron ball, there is not the manual preparation of a welding equipment auxiliary production person, and it is inconvenient to produce, in addition, there is not a welding equipment can realize realizing more firm welding in the hollow iron ball preparation process.
Disclosure of Invention
The invention provides a high-precision laser welding machine, which solves the problem that no welding equipment in the prior art realizes welding when a hollow iron ball is manufactured.
The technical scheme of the invention is as follows:
the method comprises the following steps:
a machine frame, a plurality of guide rails and a plurality of guide rails,
the laser welding head is arranged on the frame in a sliding manner, the sliding direction of the laser welding head is a first direction,
the welding table is arranged on the rack in a sliding mode, the sliding direction of the welding table is the second direction, the welding table is located below the laser welding head,
the workpiece fixing device is arranged on the welding table in a sliding mode, the sliding direction of the workpiece fixing device is a third direction, the workpiece fixing device is positioned on one side of the laser welding head, and the workpiece fixing device comprises a first fixing device and a second fixing device,
the object carrying plate is arranged on the welding table in a sliding mode along a third direction,
a fixed mount which is rotatably arranged on the object carrying plate,
the rotary clamping piece is rotatably arranged on the fixed frame, a rotating shaft of the rotary clamping piece is vertical to the rotating shaft of the fixed frame, the rotary clamping piece is used for clamping a workpiece,
the laser welding head faces to the intersection point of the rotating clamping piece rotating shaft and the fixing frame rotating shaft.
As a further technical proposal, the workpiece fixing device also comprises,
the object carrying plate is provided with two arc guide rails which are arranged oppositely and have a common circle center,
the two sides of the fixing frame are provided with sliding blocks which are respectively arranged on the two arc-shaped guide rails in a sliding manner, and the rotating shaft of the fixing frame passes through the circle center of the arc-shaped guide rails.
As a further technical solution, it is proposed that,
the fixing frame is provided with two rotating shaft holes which are oppositely and coaxially arranged, the axial direction of the rotating shaft hole is vertical to the rotating shaft direction of the fixing frame, the rotating shaft hole is arranged along a certain radial direction of the circular arc guide rail,
the rotating clamping piece comprises a rotating clamping piece and a rotating clamping piece,
two rotating shafts are arranged in the two rotating shaft holes respectively in a rotating way and in a sliding way,
the clamping blocks are arranged at one ends of the two rotating shafts, which are close to each other,
after the two rotating shafts slide in the direction away from each other or the direction close to each other, the two clamping blocks move away from or close to each other.
As a further technical proposal, the rotating clamping piece also comprises,
a driving motor arranged in the rotating shaft hole,
the driving shaft of the driving motor is connected with the rotating shaft through the driving telescopic piece.
As a further technical solution, it is proposed that,
the fixed frame is provided with a workpiece taking and placing opening, and the workpiece taking and placing opening is positioned on one side of the two clamping blocks close to the laser welding head.
As a further technical solution, the driving telescopic member includes,
a first sleeve, one end of which is connected with a driving shaft of the driving motor,
one end of the first rod body is arranged in the first sleeve in a sliding mode, the sliding direction of the first rod body is the axial direction of the rotating shaft hole, and the other end of the first rod body is connected with one end, located in the rotating shaft hole, of the rotating shaft.
As a further technical proposal, the rotating clamping piece also comprises,
a thrust bearing, the thrust bearing is arranged in the rotating shaft hole in a sliding way, and a through hole is arranged on the thrust bearing,
one side of the thrust bearing is arranged at the end part of the rotating shaft, the first rod body penetrates through the through hole to be connected with the rotating shaft,
also comprises the following steps of (1) preparing,
and the limiting and jacking device is arranged on the fixing frame, is connected with one side of the thrust bearing far away from the rotating shaft, and is used for limiting the position of the thrust bearing.
As a further technical solution, it is proposed that,
the fixing frame is provided with strip-shaped openings at two sides of the rotating shaft hole, the strip-shaped openings are communicated with the rotating shaft hole and are arranged along the axial direction of the rotating shaft hole,
the limiting and jacking device comprises a limiting and jacking device,
one end of the connecting rod passes through the strip-shaped opening to be connected with one side of the thrust bearing far away from the rotating shaft, the other end of the connecting rod extends out of the strip-shaped opening,
a limit nut arranged on the fixed frame,
and the limiting screw is arranged in the limiting nut in a threaded manner, one end of the limiting screw is abutted to the connecting rod, and the connecting rod is tightly pushed or cancelled after the limiting screw rotates.
As a further technical solution, it is proposed that,
a first guide groove is arranged on the welding table along the third direction,
the bottom of carrying the thing board is provided with the second slider, the second slider slide set up in the first guide slot.
1 as a further technical proposal, also comprises,
a handle arranged on the fixing frame,
the handle is provided with two, two the handle is close to two respectively the circular arc guide rail.
The working principle and the beneficial effects of the invention are as follows:
in the invention, as shown in fig. 1 and 10, the first direction, the second direction and the third direction are mutually perpendicular in pairs, and the workpieces mentioned in the application are hollow spherical shell workpieces which are formed by splicing two hemispherical shells and need to be welded.
This laser-beam welding machine can realize the welding when the hollow spherical shell work piece is circular connection trace and the welding when being wave connection trace, as shown in fig. 10, the terminal surface that is used for interconnect of two hemisphere casings is the wave, be wave connection trace after connecting, can increase area of contact, the condition of dislocation can be prevented to itself, can be more firm after the welding, and can correspondingly improve the stone width of polishing during polishing, realize the polishing to wave welding trace, reduce the volume requirement to the stone of polishing, to the hollow spherical shell work piece that possesses two kinds of different joint traces more than, this laser-beam welding machine can play better welding effect, it is higher than manual welding efficiency, safety, welding efficiency has been improved. Specifically, the following scheme is adopted for implementation:
the rotary clamping piece is used for clamping a hollow spherical shell workpiece, the spherical center of the hollow spherical shell workpiece is positioned on the rotating shaft of the fixing frame and the rotating shaft of the rotary clamping piece at the same time, namely the spherical center of the hollow spherical shell workpiece is the intersection point of the rotating shaft of the fixing frame and the rotary clamping piece, the fixing frame is rotated, the rotary clamping piece is rotated, the object carrying plate, the welding table and the laser welding head are moved, the laser welding head is aligned to and close to a connecting trace on the hollow spherical shell workpiece, the laser welding head is opened at the moment, the rotary clamping piece is only rotated to realize the welding of the hollow spherical shell workpiece with a circular connecting trace, the fixing frame is operated to rotate in a reciprocating manner while the rotary clamping piece is rotated, the welding of the hollow spherical shell workpiece with a wavy connecting trace is realized, the welding operation of the hollow spherical shell workpiece can be finished by one person, and the operator can not directly contact with the hollow spherical shell workpiece and the laser welding head, the safety is improved, and certainly, when the hollow spherical shell workpiece is clamped by the rotary clamping piece, the connecting mark of the hollow spherical shell workpiece is in a range which can be passed by the laser welding head.
Drawings
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a first schematic view of a workpiece clamping structure according to the present invention;
FIG. 3 is an enlarged view of a portion C of FIG. 2 according to the present invention;
FIG. 4 is a second schematic structural view illustrating the clamping of a workpiece according to the present invention;
FIG. 5 is a schematic front view of the present invention;
FIG. 6 is a schematic cross-sectional view taken along line A-A of FIG. 5 according to the present invention;
FIG. 7 is a schematic side view of the present invention;
FIG. 8 is a schematic cross-sectional view of B-B of FIG. 7 according to the present invention;
FIG. 9 is a schematic view of the structure of the driving telescopic member of the present invention;
FIG. 10 is a schematic view of a workpiece structure according to the present invention;
in the figure: 1-frame, 2-laser welding head, 3-welding station, 4-workpiece fixing device, 41-carrying plate, 42-fixing frame, 421-rotating shaft hole, 43-rotating clamping piece, 431-rotating shaft, 432-clamping block, 433-driving motor, 434-driving telescopic piece, 4341-first sleeve, 4342-first rod body, 435-thrust bearing, 4351-through hole, 44-circular arc guide rail, 45-sliding block, 46-workpiece taking and placing opening, 5-limiting jacking device, 51-connecting rod, 52-limiting nut, 53-limiting screw, 61-strip opening, 62-second shaft, 63-first gear, 64-rack, 65-first bevel gear, 66-second bevel gear, 67-third shaft, 68-electric cylinder, 7-handle, 81-first guide groove, 82-second slide block, 83-spherical groove, 9-workpiece.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any inventive step, are intended to be within the scope of the present invention.
As shown in fig. 1 to 10, the present invention provides a high precision laser welding machine, comprising:
the machine frame (1) is provided with a frame,
the laser welding head 2 is arranged on the frame 1 in a sliding way, the sliding direction of the laser welding head 2 is a first direction,
a welding table 3 which is arranged on the frame 1 in a sliding way, the sliding direction of the welding table 3 is a second direction, the welding table 3 is positioned below the laser welding head 2,
a workpiece fixing device 4 which is arranged on the welding table 3 in a sliding way, the sliding direction of the workpiece fixing device 4 is a third direction, the workpiece fixing device 4 is positioned at one side of the laser welding head 2, the workpiece fixing device 4 comprises,
a carrying plate 41 arranged on the welding table 3 in a sliding manner along the third direction,
a fixing frame 42 rotatably arranged on the carrying plate 41,
the rotary clamping piece 43 is rotationally arranged on the fixed frame 42, the rotating shaft of the rotary clamping piece 43 is vertical to the rotating shaft of the fixed frame 42, the rotary clamping piece 43 is used for clamping a workpiece,
the laser welding head 2 is directed toward the intersection of the rotating shaft of the rotating holder 43 and the rotating shaft of the holder 42.
In this embodiment, as shown in fig. 1 and 10, the first direction, the second direction and the third direction are mutually perpendicular in pairs, and the workpieces mentioned in the present application are hollow spherical shell workpieces which are formed by splicing two hemispherical shells and need to be welded.
This laser-beam welding machine can realize the welding when the hollow spherical shell work piece is circular connection trace and the welding when being wave connection trace, as shown in fig. 10, the terminal surface that is used for interconnect of two hemisphere casings is the wave, be wave connection trace after connecting, can increase area of contact, the condition of dislocation can be prevented to itself, can be more firm after the welding, and can correspondingly improve the stone width of polishing during polishing, realize the polishing to wave welding trace, reduce the volume requirement to the stone of polishing, to the hollow spherical shell work piece that possesses two kinds of different joint traces more than, this laser-beam welding machine can play better welding effect, it is higher than manual welding efficiency, safety, welding efficiency has been improved. Specifically, the following scheme is adopted for implementation:
the rotating clamping piece 43 is used for clamping a hollow spherical shell workpiece, at the moment, the spherical center of the hollow spherical shell workpiece is simultaneously positioned on the rotating shaft of the fixing frame 42 and the rotating shaft of the rotating clamping piece 43, namely the spherical center of the hollow spherical shell workpiece is the intersection point of the rotating shaft of the fixing frame 42 and the rotating clamping piece 43, the fixing frame 42 is rotated, the rotating clamping piece 43 is rotated, the object carrying plate 41, the welding table 3 and the laser welding head 2 are moved, the laser welding head 2 is aligned to and close to a connecting mark on the hollow spherical shell workpiece, at the moment, the laser welding head 2 is opened, only the rotating clamping piece 43 is rotated, the hollow spherical shell workpiece with a circular connecting mark is welded, the fixing frame 42 is operated to rotate back and forth while the rotating clamping piece 43 is rotated, the welding of the hollow spherical shell workpiece with a wave-shaped connecting mark is realized, the welding operation of the hollow spherical shell workpiece can be completed by one person, similarly, the operator will not directly contact the hollow spherical shell workpiece and the laser welding head, which improves the safety, and certainly, when the hollow spherical shell workpiece is clamped by the rotating clamping piece 43, the connecting trace of the hollow spherical shell workpiece must be in the range that the laser welding head can pass through.
Further, the work fixing device 4 further includes,
the circular arc guide rail 44, the object carrying plate 41 is relatively provided with two circular arc guide rails 44, the two circular arc guide rails 44 are concentric,
the two sides of the fixing frame 42 are provided with sliding blocks 45 respectively arranged on the two circular arc guide rails 44 in a sliding manner, and the rotating shaft of the fixing frame 42 passes through the circle centers of the circular arc guide rails 44.
In this embodiment, when the sliding block 45 slides synchronously in the circular arc-shaped guide rail 44, a circular motion, that is, a rotation of the fixing frame 42, is realized.
Furthermore, the fixed frame 42 is provided with two rotating shaft holes 421 which are oppositely and coaxially arranged, the axial direction of the rotating shaft hole 421 is vertical to the rotating shaft direction of the fixed frame 42, the rotating shaft hole 421 is arranged along a certain radial direction of the circular arc guide rail 44,
the rotating clamp 43 comprises a rotating clamp member which,
two rotating shafts 431 are provided, the two rotating shafts 431 are respectively rotatably and slidably disposed in the two rotating shaft holes 421,
a clamping block 432, one end of the two rotating shafts 431 close to each other is provided with the clamping block 432,
when the two rotation shafts 431 slide in a direction away from or toward each other, the two clamping blocks 432 move away from or toward each other.
In this embodiment, an installation space of the clamping block 432 is provided before the two rotating shaft holes 421, and after the two rotating shafts 431 slide toward or away from each other, the two clamping blocks 432 approach or away from each other, so that clamping or unclamping of the hollow spherical shell workpiece is realized, and after the hollow spherical shell workpiece is clamped, the rotating shafts 431 are rotated, so that the hollow spherical shell workpiece is driven to rotate.
Further, the rotating clamp 43 further includes,
a driving motor 433 disposed in the rotation shaft hole 421,
the driving shaft of the driving motor 433 is connected to the rotation shaft 431 through the driving telescopic member 434 by driving the telescopic member 434.
In this embodiment, the diameter of the end of the rotating shaft hole 421 away from the rotating shaft 431 is increased to install the driving motor 433, and then the driving shaft of the driving motor 433 is connected to the rotating shaft 431 through the driving telescopic member 434, and the driving telescopic member 434 is telescopic, so that the driving rotating shaft 431 can rotate and slide at the same time.
Further, the holder 42 has a workpiece access opening 46, and the workpiece access opening 46 is located on one side of the two clamping blocks 432 close to the laser welding head 2.
In this embodiment, the setting of putting mouth 46 is got to the work piece, on the one hand, can conveniently get through this work piece and put mouth 46 and place hollow spherical shell work piece between two clamp splice 432, also can conveniently get through this work piece and put mouth 46 and take away hollow spherical shell work piece, and on the other hand, laser welding head 2 can get through the work piece and put mouth 46 and be close to the joint mark department of hollow spherical shell work piece, accomplishes the welding.
Further, the drive jack 434 includes,
a first sleeve 4341 having one end connected to a driving shaft of the driving motor 433,
one end of the first rod 4342 is slidably disposed in the first sleeve 4341, the sliding direction of the first rod 4324 is the axial direction of the rotation axis 431, and the other end is connected to one end of the rotation axis 431 located in the rotation axis 431.
In this embodiment, the driving telescopic member 434 includes a first sleeve 4341 and a first rod 4342, one end of the first sleeve 4341 is connected to the driving shaft of the driving motor 433, one end of the first rod 4342 is slidably disposed in the first sleeve 4341, the other end is connected to the rotation shaft 431, and the first rod 4342 cannot rotate in the first sleeve 4341, so that the function of driving the rotation shaft 431 to rotate while telescoping is achieved.
Further, the rotating clamp 43 further includes,
a thrust bearing 435, the thrust bearing 435 is slidably arranged in the rotating shaft hole 421, a through hole 4351 is arranged on the thrust bearing 435,
one side of the thrust bearing 435 is disposed at an end portion of the rotation shaft 431, the first rod 4342 is coupled to the rotation shaft 431 through the through hole 4351,
also comprises the following steps of (1) preparing,
and the limiting jacking device 5 is arranged on the fixed frame 42, the limiting jacking device 5 is connected with one side, away from the rotating shaft 431, of the thrust bearing 435, and the limiting jacking device 5 is used for limiting the position of the thrust bearing 435.
In this embodiment, when two clamp splice 432 realize pressing from both sides tight hollow spherical shell work piece, certain thrust will be exerted to axis of rotation 431, realize exerting the effect for axis of rotation 431 through promoting thrust bearing 435, can better completion rotation effect, can have thrust effect again, then after pressing from both sides tight hollow spherical shell work piece, carry on spacingly through spacing tight device 5 to thrust bearing 435, realized clamping effect.
Furthermore, the fixing frame 42 is provided with strip-shaped openings 61 at two sides of the rotating shaft hole 421, the strip-shaped openings 61 are communicated with the rotating shaft hole 421, the strip-shaped openings 61 are arranged along the axial direction of the rotating shaft hole 421,
the limit jacking device 5 comprises a limiting jacking device,
one end of the connecting rod 51 passes through the strip-shaped opening 61 to be connected with one side of the thrust bearing 435 away from the rotating shaft 431, the other end extends out of the strip-shaped opening 61,
a limit nut 52 arranged on the fixed frame 42,
and the limiting screw 53 is arranged in the limiting nut 52 in a threaded manner, one end of the limiting screw 53 is abutted to the connecting rod 51, and the limiting screw 53 is tightly pushed or cancelled to tightly push the connecting rod 51 after rotating.
In this embodiment, can realize the tight effect in top or cancellation top tight connecting rod 51 through rotating stop screw 53, during the tight connecting rod 51 in top, the hollow spherical shell work piece of centre gripping has been good, and when cancellation top tight connecting rod 51, the hollow spherical shell work piece of cancellation centre gripping is very convenient.
Furthermore, a first guide groove 81 is arranged on the welding table 3 along the third direction,
the bottom of the loading plate 41 is provided with a second sliding block 82, and the second sliding block 82 is slidably arranged in the first guide groove 81.
In this embodiment, the second sliding block 82 is slidably disposed in the first guiding groove 81, so as to realize the sliding of the object carrying plate 41.
Further, the method also comprises the following steps of,
a handle 7, which is arranged on the fixing frame 42,
the handles 7 are provided in two, and the two handles 7 are respectively adjacent to the two circular arc-shaped guide rails 44.
In this embodiment, the handle 7 is disposed on the fixing frame 42 near the circular arc-shaped guide rail 44, and by holding the handle 7, the rotation of the fixing frame 42 is controlled, which is very convenient and facilitates the manual operation of the operator.
Further, the two clamping blocks 432 are provided with spherical grooves 83 on opposite sides, and after the two clamping blocks 432 clamp the workpiece, the two spherical grooves 83 are concentric.
In this embodiment, the opposite sides of the two clamping blocks 432 have spherical grooves 83, which can completely fit with part of the outer wall of the hollow spherical shell workpiece, and when the clamping blocks 432 clamp the hollow spherical shell workpiece, the two spherical grooves 83 are concentric with the spherical center.
Further, the welding bench 3 is the rectangle, all parallel arrangement has rack 64 in its four corners department, it has two secondary shafts 62 to pass welding bench 3, two secondary shafts 62 both ends all are provided with first gear 63, two first gear 63 mesh with two racks 64 respectively, all be provided with first bevel gear 65 on two secondary shafts 62, be provided with third axle 67 in welding bench 3, the both ends of third axle 67 have second bevel gear 66, two second bevel gear 66 mesh with two first bevel gear 65 respectively, the electric cylinder 68 sets up in frame 1, the telescopic link is connected with welding bench 3, realize the slip of welding bench 3.
In the present embodiment, as shown in fig. 6 and 7, when the electric cylinder 68 drives the welding table 3 to move upward, the first gear 63, the first bevel gear 65 and the second bevel gear 66 rotate synchronously, so that each part of the welding table 3 rises synchronously, the offset is prevented, and the influence on the workpiece fixing device 4 is reduced.
The present invention is not limited to the above preferred embodiments, and any modifications, equivalent substitutions, improvements, etc. within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A high-precision laser welding machine is characterized by comprising,
a machine frame (1),
the laser welding head (2) is arranged on the frame (1) in a sliding mode, the sliding direction of the laser welding head (2) is a first direction,
the welding table (3) is arranged on the rack (1) in a sliding mode, the sliding direction of the welding table (3) is the second direction, the welding table (3) is located below the laser welding head (2),
the workpiece fixing device (4) is arranged on the welding table (3) in a sliding mode, the sliding direction of the workpiece fixing device (4) is the third direction, the workpiece fixing device (4) is located on one side of the laser welding head (2), the workpiece fixing device (4) comprises a first fixing device and a second fixing device,
an object carrying plate (41) arranged on the welding table (3) in a sliding manner along a third direction,
a fixed frame (42) which is rotationally arranged on the object carrying plate (41),
the rotary clamping piece (43) is rotatably arranged on the fixed frame (42), a rotating shaft of the rotary clamping piece (43) is vertical to the rotating shaft of the fixed frame (42), the rotary clamping piece (43) is used for clamping a workpiece,
the laser welding head (2) faces to the intersection point of the rotating shaft of the rotating clamping piece (43) and the rotating shaft of the fixing frame (42).
2. A high precision laser welder according to claim 1, characterized in that said workpiece fixture (4) further comprises,
the object carrying plate (41) is relatively provided with two arc guide rails (44), the two arc guide rails (44) are concentric,
and sliding blocks (45) which are respectively arranged on the two arc guide rails (44) in a sliding manner are arranged on two sides of the fixed frame (42), and a rotating shaft of the fixed frame (42) passes through the circle center of the arc guide rails (44).
3. A high precision laser welder according to claim 2,
the fixed frame (42) is provided with two rotating shaft holes (421) which are opposite and coaxially arranged, the axial direction of the rotating shaft holes (421) is vertical to the rotating shaft direction of the fixed frame (42), the rotating shaft holes (421) are arranged along a certain radial direction of the circular arc guide rail (44),
the rotating clamp (43) comprises,
two rotating shafts (431), wherein the two rotating shafts (431) are respectively arranged in the two rotating shaft holes (421) in a rotating and sliding way,
the clamping blocks (432) are arranged at one ends, close to each other, of the two rotating shafts (431),
after the two rotating shafts (431) slide in the direction of moving away from each other or the direction of moving close to each other, the two clamping blocks (432) move away from or close to each other.
4. A high precision laser welder according to claim 3, characterized in that said rotating clamp (43) further comprises,
a driving motor (433) arranged in the rotating shaft hole (421),
a driving telescopic member (434), through which a driving shaft of the driving motor (433) is connected with the rotation shaft (431).
5. A high precision laser welder according to claim 4,
the fixed frame (42) is provided with a workpiece taking and placing opening (46), and the workpiece taking and placing opening (46) is positioned on one side, close to the laser welding head (2), of the two clamping blocks (432).
6. A high precision laser welder according to claim 4, characterized in that said driving jack (434) comprises,
a first sleeve (4341) having one end connected to a driving shaft of the driving motor (433),
and one end of the first rod body (4342) is arranged in the first sleeve (4341) in a sliding manner, the sliding direction of the first rod body (4324) is the axial direction of the rotating shaft hole (431), and the other end of the first rod body is connected with one end, which is positioned in the rotating shaft hole (431), of the rotating shaft (431).
7. A high precision laser welder according to claim 6, characterized in that the rotating clamp (43) further comprises,
the thrust bearing (435) is arranged in the rotating shaft hole (421) in a sliding mode, a through hole (4351) is formed in the thrust bearing (435),
one side of the thrust bearing (435) is disposed at an end of the rotation shaft (431), the first rod body (4342) passes through the through hole (4351) to be connected with the rotation shaft (431),
also comprises the following steps of (1) preparing,
the limiting jacking device (5) is arranged on the fixed frame (42), the limiting jacking device (5) is connected with one side, away from the rotating shaft (431), of the thrust bearing (435), and the limiting jacking device (5) is used for limiting the position of the thrust bearing (435).
8. A high precision laser welder according to claim 7,
the fixing frame (42) is provided with strip-shaped openings (61) at two sides of the rotating shaft hole (421), the strip-shaped openings (61) are communicated with the rotating shaft hole (421), the strip-shaped openings (61) are arranged along the axial direction of the rotating shaft hole (421),
the limiting and jacking device (5) comprises a limiting and jacking device,
one end of the connecting rod (51) penetrates through the strip-shaped opening (61) to be connected with one side of the thrust bearing (435) far away from the rotating shaft (431), the other end of the connecting rod extends out of the strip-shaped opening (61),
a limit nut (52) arranged on the fixed frame (42),
and the limiting screw (53) is arranged in the limiting nut (52) in a threaded manner, one end of the limiting screw (53) is abutted to the connecting rod (51), and the connecting rod (51) is tightly pushed or cancelled after the limiting screw (53) rotates.
9. A high precision laser welder according to claim 1,
a first guide groove (81) is arranged on the welding table (3) along the third direction,
the bottom of the carrying plate (41) is provided with a second sliding block (82), and the second sliding block (82) is arranged in the first guide groove (81) in a sliding mode.
10. A high precision laser welder according to claim 2, characterized by further comprising,
a handle (7) arranged on the fixing frame (42),
the number of the handles (7) is two, and the two handles (7) are respectively close to the two arc-shaped guide rails (44).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110692618.9A CN113351986A (en) | 2021-06-22 | 2021-06-22 | High-precision laser welding machine |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110692618.9A CN113351986A (en) | 2021-06-22 | 2021-06-22 | High-precision laser welding machine |
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| CN113351986A true CN113351986A (en) | 2021-09-07 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113695708A (en) * | 2021-10-27 | 2021-11-26 | 南通大鲸智能科技有限公司 | Multi-track arc welding equipment for machining |
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2021
- 2021-06-22 CN CN202110692618.9A patent/CN113351986A/en not_active Withdrawn
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113695708A (en) * | 2021-10-27 | 2021-11-26 | 南通大鲸智能科技有限公司 | Multi-track arc welding equipment for machining |
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