CN115781019B - High-precision laser welding positioning device - Google Patents
High-precision laser welding positioning device Download PDFInfo
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- CN115781019B CN115781019B CN202310089988.2A CN202310089988A CN115781019B CN 115781019 B CN115781019 B CN 115781019B CN 202310089988 A CN202310089988 A CN 202310089988A CN 115781019 B CN115781019 B CN 115781019B
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Abstract
The invention relates to a high-precision laser welding positioning device, which comprises a positioning disc, a pressing mechanism and a tensioning mechanism, wherein the positioning disc is horizontally arranged, and a through hole penetrating up and down is arranged at the center of the positioning disc and is used for placing a part to be welded; the pressing mechanism is arranged above the positioning disc and used for pressing or loosening parts on the positioning disc; the tensioning mechanism is arranged at the through hole and is used for tensioning or loosening the part on the positioning disc. The planetary carrier assembly positioning device has the beneficial effects of compact structure and reasonable design, can realize accurate positioning of the planetary carrier assembly, has high positioning accuracy, and ensures the quality of part processing.
Description
Technical Field
The invention relates to the technical field of laser welding, in particular to a high-precision laser welding positioning device.
Background
The planet carrier component is a key component in the planetary transmission, and the product has a large number of applications in the automobile transmission and robot industries, has a wide market prospect and also belongs to one of the current neck clamping technologies.
The welding is a processing mode with larger deformation, the planet carrier assembly is formed by welding three products in the above diagram through laser, and the perpendicularity requirement of a connecting shaft and a planet disc in the assembly is higher and reaches 0.08mm. The precision beyond the precision guaranteed by laser welding deformation is very high, and the welding equipment is also provided with a robot feeding and discharging device, so that the precision of the robot cannot be guaranteed to be placed in the high-precision positioning device, and the high-precision positioning device capable of moving is required to be designed.
Disclosure of Invention
The invention aims to solve the technical problem of providing a high-precision laser welding positioning device and aims to solve the problem in the prior art.
The technical scheme for solving the technical problems is as follows:
the high-precision laser welding positioning device comprises a positioning disc, a pressing mechanism and a tensioning mechanism, wherein the positioning disc is horizontally arranged, and a through hole penetrating up and down is formed in the center of the positioning disc and used for placing a part to be welded; the pressing mechanism is arranged above the positioning disc and is used for pressing or loosening parts on the positioning disc; the tensioning mechanism is arranged at the through hole and used for tensioning or loosening parts on the positioning disc.
The beneficial effects of the invention are as follows: in operation, firstly, the parts to be welded are placed on the positioning plate in a manner which can be thought by a person skilled in the art; then, compress tightly the part through pushing down the mechanism, rise tight part through the tight mechanism that rises simultaneously, realize the accurate location of part, guarantee the quality of part processing.
The invention has compact structure and reasonable design, can realize the accurate positioning of the planet carrier assembly, has high positioning accuracy and ensures the quality of part processing.
On the basis of the technical scheme, the invention can be improved as follows.
Further, the tensioning mechanism comprises a tensioning sleeve and a driving assembly, and the tensioning sleeve is vertically arranged at the through hole; the driving assembly is arranged at the through hole and is in transmission connection with the expansion sleeve, and is used for driving the expansion sleeve to expand to fix the planet cage in the part or retract to loosen the planet cage in the part.
The beneficial effect of adopting above-mentioned further scheme is when fixing a position, rises the cover through drive assembly drive and opens to the planet cage in the fixed part or retract to the planet cage in the part of loosening, and the location is accurate convenient, guarantees the quality of part processing.
Further, the tensioning sleeve comprises a plurality of tensioning blocks, and the tensioning blocks are movably arranged at the through holes in a circumferential manner; the driving assembly is in transmission connection with the tensioning blocks.
The beneficial effect of adopting above-mentioned further scheme is when fixing a position, keeps away from each other with expanding to the planet cage of fixing in the part through the drive assembly drive a plurality of tight pieces that rise, or drives a plurality of tight pieces that rise and be close to each other and retract to the planet cage of loosening in the part, and the location is accurate convenient, guarantees the quality of part processing.
Further, the driving assembly comprises a tensioning rod and a tensioning cylinder, the tensioning rod is vertically inserted into the tensioning sleeve, two ends of the tensioning rod extend out of two ends of the tensioning sleeve respectively, and the upper end of the tensioning rod and the upper end of the tensioning sleeve are wedge-shaped and are in sliding connection respectively; the tensioning cylinder is fixedly arranged on the lower surface of the positioning disc, and the telescopic end of the tensioning cylinder extends vertically upwards and is fixedly connected with the lower end of the tensioning rod.
The beneficial effect of adopting above-mentioned further scheme is when fixing a position, stretches out and draws back and drive the tight pole that rises through the tight cylinder that rises and reciprocate, utilizes the special structure and the sliding fit of the upper end of the tight pole that rises and the tight cover upper end that rises for the tight cover that rises to fix the planet cage in the part, or make the tight cover that rises shrink to loosen the planet cage in the part, fix a position accurate convenience, guarantee the quality of part processing.
Further, the driving assembly further comprises a tensioning seat, the tensioning seat is fixedly arranged in the through hole, the upper end of the tensioning seat extends into the lower end of the tensioning sleeve, and the upper end of the tensioning seat and the lower end of the tensioning sleeve are wedge-shaped and are in sliding connection; the inside of the tensioning seat is hollow, two ends of the tensioning seat are open, the tensioning rod is inserted into the tensioning seat, and two ends of the tensioning rod extend out of the tensioning seat respectively.
The adoption of the further scheme has the beneficial effects that when the positioning is performed, the expansion cylinder stretches and contracts and drives the expansion rod to move up and down, so that the expansion rod is utilized to drive the expansion seat to move up and down, and meanwhile, the expansion sleeve is expanded to fix the planet cage in the part or the expansion sleeve is contracted to loosen the planet cage in the part by utilizing the special structure and sliding fit of the upper end of the expansion rod and the upper end of the expansion sleeve and the special structure and sliding fit of the expansion seat and the lower end of the expansion sleeve, so that the positioning is accurate and convenient;
the design can accurately position the position degree and the verticality of the tensioning rod when tensioning, and ensure that a sufficient gap exists between a part and a positioning device when loosening, so that the robot can conveniently pick and place the part, the positioning accuracy is greatly improved, and the part processing quality is ensured.
Further, the pressing mechanism comprises a pressing cylinder and a pressing disc, and the pressing disc is horizontally arranged above the positioning disc; the lower pressing cylinder is fixedly arranged above the lower pressing disc, and the telescopic end of the lower pressing disc is vertically downward and in transmission connection with the lower pressing disc.
The beneficial effect of adopting above-mentioned further scheme is when fixing a position, flexible and drive down the pressure disk downwardly moving through pushing down the cylinder to sticis the part on the positioning disk, perhaps drive down the pressure disk and upwards move, with the part on unclamping the positioning disk, realize automatic positioning, the location is convenient.
Further, the device also comprises a rotating frame and a rotating motor, wherein the lower air cylinder and the positioning disc are respectively arranged on the rotating frame; the rotating motor is fixedly arranged, and the driving end of the rotating motor is fixedly connected with the rotating frame and used for driving the rotating frame to rotate on a vertical surface.
The beneficial effect of adopting above-mentioned further scheme is when fixing a position, can drive swivel mount and whole positioner rotation settlement angle through the rotating electrical machines to weld the welding seam on the part, the welding is convenient, simple structure, reasonable in design.
Further, the positioning disc and the lower pressing disc can horizontally rotate respectively, at least one positioning block is fixedly arranged on the lower pressing disc, and a positioning groove is formed in the lower end of the positioning block; the positioning plate is provided with positioning nails, the lower pressing plate can move downwards to press parts on the positioning plate, and the positioning nails are clamped into the positioning grooves.
The further scheme has the beneficial effects that the rotating frame and the whole positioning device can be driven to rotate by a set angle through the rotating motor during positioning; meanwhile, the positioning disc can horizontally rotate to adjust the azimuth of the part on the horizontal plane so as to weld the welding seam on the part, and the welding device is convenient to weld, simple in structure and reasonable in design;
in addition, through the cooperation of the positioning groove on the positioning block and the positioning nail, the up-and-down rotation synchronization of the lower pressing disc and the positioning disc can be realized, so that the welding seam precision of the parts during welding is ensured.
Further, a rotating motor is fixedly installed on the rotating frame, and the driving end of the rotating motor is vertically upwards and is in transmission connection with the positioning disc and used for driving the positioning disc to horizontally rotate.
The positioning device has the advantages that when the positioning device is used for positioning, the positioning disc can be driven to horizontally rotate through the rotating motor, so that the position of the part on the horizontal plane can be adjusted, welding seams on the part can be conveniently welded, and the positioning device is simple in structure and reasonable in design.
Further, the positioning device also comprises a primary positioning mechanism, wherein the primary positioning mechanism is fixedly arranged beside the positioning disc and used for initially positioning the parts on the positioning disc.
The beneficial effect of adopting above-mentioned further scheme is simple structure, reasonable in design, can realize the initial positioning of part on the positioning disk through initial positioning mechanism, further improves the accuracy that the part was fixed a position.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present invention;
FIG. 2 is a second schematic diagram of the overall structure of the present invention;
FIG. 3 is a schematic diagram of a pressing mechanism and a positioning plate according to the present invention;
FIG. 4 is a second schematic diagram of the pressing mechanism and the positioning plate according to the present invention;
FIG. 5 is a schematic view showing the internal structure of the pressing mechanism of the present invention;
FIG. 6 is a schematic view of the internal structure of the positioning plate, parts and tensioning mechanism of the present invention when assembled;
FIG. 7 is a schematic view of a puck according to the present invention;
fig. 8 is a schematic structural view of the initial positioning mechanism in the present invention.
In the drawings, the list of components represented by the various numbers is as follows:
1. a positioning plate; 2. a part; 2-1, a planet cage; 2-2, a planetary disc; 2-3, a planet carrier; 3. a tensioning block; 4. a tensioning rod; 5. a tensioning cylinder; 6. a tensioning seat; 7. a pressing cylinder; 8. a lower platen; 9. a rotating frame; 10. a rotating electric machine; 11. a positioning block; 12. a positioning groove; 13. positioning nails; 14. a rotating motor; 15. an initial positioning cylinder; 16. a pressing plate; 17. and (5) a base.
Description of the embodiments
It should be noted that, without conflict, the embodiments of the present invention and features of the embodiments may be combined with each other.
In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first", "a second", etc. may explicitly or implicitly include one or more such feature. In the description of the present invention, unless otherwise indicated, the meaning of "a plurality" is two or more.
In the description of the present invention, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art in a specific case.
The invention will be described in detail below with reference to the drawings in connection with embodiments.
Example 1
As shown in fig. 1 to 8, the present embodiment provides a high-precision laser welding positioning device, which comprises a positioning disc 1, a pressing mechanism and a tensioning mechanism, wherein the positioning disc 1 is horizontally arranged, and a through hole penetrating up and down is arranged at the center of the positioning disc 1 and is used for placing a part 2 to be welded; the pushing mechanism is arranged above the positioning disc 1 and is used for tightly pressing or loosening the part 2 on the positioning disc 1; the tensioning mechanism is arranged at the through hole and is used for tensioning or loosening the part 2 on the positioning disc 1.
In operation, first, the part 2 to be welded is placed on the puck 1 in a manner that will occur to those skilled in the art; then, compress tightly part 2 through pushing down the mechanism, rise tight part 2 through the tight mechanism that rises simultaneously, realize the accurate location of part 2, guarantee the quality of part 2 processing.
Based on the scheme, the part 2 comprises a planet cage 2-1, a planet disc 2-2 and a planet carrier 2-3, wherein the planet disc 2-2 is in a circular ring shape and is horizontally arranged on the positioning disc 1; the planet carrier 2-3 is arranged on the planet disc 2-2, the lower end of the planet carrier is open, a round hole is arranged in the center of the upper end, and a plurality of bulges are uniformly arranged at intervals on the edge of the upper end of the planet carrier; the planet cage 2-1 is inserted into round holes on the planet disc 2-2 and the planet carrier 2-3.
Preferably, in this embodiment, the positioning plate 1 is provided with a positioning groove for placing the planetary plate 2-2, a plurality of positioning blocks are uniformly arranged around the positioning groove at intervals, and the number and shape of the plurality of positioning blocks respectively correspond to the plurality of protrusions on the planetary frame 2-3 one by one, so as to perform initial positioning on the part 2, and further improve the positioning accuracy of the part 2.
The embodiment has compact structure and reasonable design, can realize the accurate positioning of the planet carrier assembly, has high positioning accuracy and ensures the quality of part processing.
Example 2
Based on the embodiment 1, in the embodiment, the tensioning mechanism comprises a tensioning sleeve and a driving assembly, and the tensioning sleeve is vertically arranged at the through hole; the driving component is arranged at the through hole and is in transmission connection with the expansion sleeve, and is used for driving the expansion sleeve to expand to fix the planet cage 2-1 in the part 2 or retract to loosen the planet cage 2-1 in the part 2.
During positioning, the driving assembly drives the expansion sleeve to expand to fix the planet cage 2-1 in the part 2 or retract to loosen the planet cage 2-1 in the part 2, positioning is accurate and convenient, and the processing quality of the part 2 is ensured.
Example 3
On the basis of the embodiment 2, in the embodiment, the expansion sleeve comprises a plurality of expansion blocks 3, and the expansion blocks 3 are movably arranged at the through holes in a circumference manner; the driving component is in transmission connection with a plurality of tensioning blocks 3.
During positioning, the plurality of tensioning blocks 3 are driven to be far away from each other so as to be unfolded to fix the planet cage 2-1 in the part 2, or the plurality of tensioning blocks 3 are driven to be close to each other so as to be retracted to loosen the planet cage 2-1 in the part 2, positioning is accurate and convenient, and machining quality of the part 2 is guaranteed.
Preferably, in this embodiment, the number of the tensioning blocks 3 may be designed according to the requirement, for example, three blocks.
In addition, the plurality of tensioning blocks 3 are arc-shaped blocks respectively, and can be spliced into a complete cylinder shape.
Example 4
On the basis of any one of embodiments 2 to 3, in this embodiment, the driving assembly includes a tensioning rod 4 and a tensioning cylinder 5, the tensioning rod 4 is vertically inserted into the tensioning sleeve, two ends of the tensioning rod extend out of two ends of the tensioning sleeve respectively, and an upper end of the tensioning rod 4 and an upper end of the tensioning sleeve are respectively wedge-shaped and slidingly connected; the tensioning cylinder 5 is fixedly arranged on the lower surface of the positioning disc 1, and the telescopic end of the tensioning cylinder vertically extends upwards and is fixedly connected with the lower end of the tensioning rod 4.
During positioning, the tensioning cylinder 5 stretches and stretches to drive the tensioning rod 4 to move up and down, and the tensioning sleeve is expanded to fix the planet cage 2-1 in the part 2 or the tensioning sleeve is contracted to loosen the planet cage 2-1 in the part 2 by utilizing the special structure and sliding fit of the upper end of the tensioning rod 4 and the upper end of the tensioning sleeve, so that positioning is accurate and convenient, and the processing quality of the part 2 is ensured.
Example 5
On the basis of embodiment 4, in this embodiment, the driving assembly further includes a tensioning seat 6, the tensioning seat 6 is fixedly installed in the through hole, the upper end of the tensioning seat extends into the lower end of the tensioning sleeve, and the upper end of the tensioning seat and the lower end of the tensioning sleeve are wedge-shaped and are in sliding connection; the inside of the tensioning seat 6 is hollow, two ends of the tensioning seat are open, the tensioning rod 4 is inserted into the tensioning seat 6, and two ends of the tensioning rod extend out of the tensioning seat 6 respectively.
During positioning, the tensioning cylinder 5 stretches and drives the tensioning rod 4 to move up and down, so that the tensioning rod 4 is used for driving the tensioning seat 6 to move up and down, and meanwhile, the tensioning sleeve is expanded to fix the planet cage 2-1 in the part 2 or is contracted to loosen the planet cage 2-1 in the part 2 by utilizing the special structure and sliding fit of the upper end of the tensioning rod 4 and the upper end of the tensioning sleeve and the special structure and sliding fit of the tensioning seat 6 and the lower end of the tensioning sleeve, so that positioning is accurate and convenient;
the design can accurately position the position degree and the verticality of the tensioning rod 4 when tensioning, and ensure enough clearance between the part 2 and the positioning device when loosening, so that the robot can conveniently pick and place, the positioning accuracy is greatly improved, and the processing quality of the part 2 is ensured.
Example 6
On the basis of the above embodiments, in the present embodiment, the pressing mechanism includes a pressing cylinder 7 and a pressing plate 8, and the pressing plate 8 is horizontally installed above the positioning plate 1; the lower pressure cylinder 7 is fixedly arranged above the lower pressure plate 8, and the telescopic end of the lower pressure cylinder is vertically downward and is in transmission connection with the lower pressure plate 8.
During positioning, the lower pressing cylinder 7 stretches and drives the lower pressing plate 8 to move downwards so as to press the part 2 on the positioning plate 1, or drives the lower pressing plate 8 to move upwards so as to loosen the part 2 on the positioning plate 1, so that automatic positioning is realized, and positioning is convenient.
Example 7
On the basis of the embodiment 6, the embodiment also comprises a rotating frame 9 and a rotating motor 10, wherein the lower air cylinder 7 and the positioning disk 1 are respectively arranged on the rotating frame 9; the rotating motor 10 is fixedly arranged, and the driving end of the rotating motor is fixedly connected with the rotating frame 9 and is used for driving the rotating frame 9 to rotate on a vertical surface.
During positioning, the rotating frame 9 and the whole positioning device can be driven to rotate by a set angle through the rotating motor 10, so that welding seams on the parts 2 can be welded conveniently, and the welding machine is simple in structure and reasonable in design.
Preferably, the present embodiment further includes a base 17, and the rotary electric machine 10 is fixedly mounted on the base 17.
Example 8
Based on embodiment 7, in this embodiment, the positioning disc 1 and the lower pressing disc 8 can respectively rotate horizontally, at least one positioning block 11 is fixedly installed on the lower pressing disc 8, and a positioning groove 12 is formed at the lower end of the positioning block 11; the positioning plate 1 is provided with positioning nails 13, the lower pressing plate 8 can move downwards to press the part 2 on the positioning plate 1, and the positioning nails 13 are clamped into the positioning grooves 12.
During positioning, the rotating frame 9 and the whole positioning device can be driven to rotate by a set angle through the rotating motor 10; meanwhile, the positioning disc 1 can horizontally rotate to adjust the azimuth of the part 2 on the horizontal plane, so that welding seams on the part 2 can be welded, and the welding machine is convenient to weld, simple in structure and reasonable in design;
in addition, through the cooperation of the positioning groove 12 on the positioning block 11 and the positioning nail 13, the up-and-down rotation synchronization of the lower pressing plate 8 and the positioning plate 1 can be realized, so that the welding seam precision of the part 2 during welding is ensured.
Preferably, in this embodiment, the number of the positioning blocks 11 may be plural, and the positioning blocks 11 are uniformly and fixedly installed at intervals on the edge of the lower platen 8, and at this time, the positioning plate 1 is installed with a plurality of positioning nails 13 corresponding to the positioning blocks 11 one by one.
Preferably, in this embodiment, the positioning groove 12 is preferably an inverted V-shaped groove, which is reasonable in design, so as to better match with the steel ball.
In addition, the lower pressure plate 8 is rotatably connected with a bracket fixedly connected with the telescopic end of the lower pressure cylinder 7 through a bearing.
Example 9
On the basis of the embodiment 8, in this embodiment, a rotating motor 14 is fixedly installed on the rotating frame 9, and the driving end of the rotating motor 14 is vertically upward and is in transmission connection with the positioning disk 1, so as to drive the positioning disk 1 to horizontally rotate.
During positioning, the positioning disc 1 can be driven to horizontally rotate through the rotating motor 14 so as to adjust the azimuth of the part 2 on the horizontal plane, so that welding seams on the part 2 can be welded, and the welding machine is convenient to weld, simple in structure and reasonable in design.
Based on the above scheme, the positioning disk 1 is coaxially and fixedly sleeved with a gear ring, and the driving end of the rotating motor 14 is fixedly sleeved with a gear which is meshed with the gear ring. During operation, the gear is driven to rotate by the rotating motor 14, and the gear drives the gear ring and the positioning disc 1 to horizontally rotate by utilizing meshing force of the gear ring and the gear ring so as to adjust the azimuth of the part 2 on the horizontal plane, so that welding seams on the part 2 are welded, and the welding device is convenient to weld, simple in structure and reasonable in design. The scheme is reasonable in design, and can effectively avoid the mutual drying of the rotary motor 14 and the tensioning cylinder 5.
Example 10
On the basis of the above embodiments, the present embodiment further includes an initial positioning mechanism, which is fixedly installed beside the positioning disc 1 and is used for initially positioning the part 2 on the positioning disc 1.
The scheme is simple in structure and reasonable in design, initial positioning of the part 2 on the positioning disc 1 can be achieved through the initial positioning mechanism, and positioning accuracy of the part 2 is further improved.
Preferably, in this embodiment, the primary positioning mechanism includes a primary positioning cylinder 15 and a pressing plate 16, where the primary positioning cylinder 15 is fixedly mounted on the rotating frame 9, and the telescopic end of the primary positioning cylinder horizontally extends and is fixedly connected with the pressing plate 16. During operation, the initial positioning cylinder 15 stretches and stretches to drive the pressing plate 16 to horizontally move to press or loosen the planet carrier 2-3, so that the angle positioning of the planet carrier 2-3 is realized.
Preferably, in this embodiment, the pressing plate 16 is preferably an L-shaped plate, which can be connected to the telescopic end of the primary positioning cylinder 15 and press the planet carrier 2-3.
In addition, one end of the pressing plate 16 is fixedly connected with the telescopic end of the primary positioning cylinder 15, and the other end is provided with a clamping groove for clamping the corresponding part on the planet carrier 2-3.
The working principle of the invention is as follows:
firstly, placing a part 2 to be processed on a positioning position on a positioning disc 1 by a robot to realize the preliminary positioning of the part 2;
secondly, the initial positioning cylinder 15 stretches and drives the pressing plate 16 to horizontally move to tightly press the planet carrier 2-3, so that the angle positioning of the planet carrier 2-3 is realized;
thirdly, the lower pressing plate 8 is driven to move downwards by the extension and retraction of the lower pressing cylinder 7 so as to press the part 2 on the positioning plate 1 tightly, and the positioning groove 12 on the positioning block 11 is used for clamping the positioning nail 13; simultaneously, the primary positioning cylinder 15 stretches and drives the pressing plate 16 to horizontally move to tightly loosen the planet carrier 2-3;
fourthly, the tensioning cylinder 5 stretches and contracts and drives the tensioning rod 4 to move up and down, so that the tensioning rod 4 is used for driving the tensioning seat 6 to move up and down, and meanwhile, the tensioning seat 6 is in sliding fit with the special structure of the upper end of the tensioning rod 4 and the upper end of the tensioning sleeve and the special structure of the lower end of the tensioning seat 6 and the special structure of the lower end of the tensioning sleeve, so that the tensioning sleeve is unfolded to fix the planet cage 2-1 in the part 2, and the positioning is accurate and convenient;
in the welding process, the positioning disc 1 can be driven to horizontally rotate through the rotating motor 14, and meanwhile, the rotating frame 9 and the whole positioning device can be driven to rotate by a set angle through the rotating motor 10, so that the azimuth of the part 2 on the horizontal plane can be adjusted, welding seams on the part 2 can be conveniently welded, and the welding device is convenient to weld, simple in structure and reasonable in design;
after the machining is completed, the parts 2 are released in the reverse order described above, so that the robot removes the parts 2.
It should be noted that, all the electronic components related to the present invention adopt the prior art, and the above components are electrically connected to the controller, and the control circuit between the controller and the components is the prior art.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.
The foregoing description of the preferred embodiments of the invention is not intended to limit the invention to the precise form disclosed, and any such modifications, equivalents, and alternatives falling within the spirit and scope of the invention are intended to be included within the scope of the invention.
Claims (4)
1. A high-precision laser welding positioning device is characterized in that: the welding device comprises a positioning disc (1), a pressing mechanism and a tensioning mechanism, wherein the positioning disc (1) is horizontally arranged, and a through hole penetrating up and down is formed in the center of the positioning disc and used for placing a part (2) to be welded; the pressing mechanism is arranged above the positioning disc (1) and is used for pressing or loosening the part (2) on the positioning disc (1); the tensioning mechanism is arranged at the through hole and is used for tensioning or loosening the part (2) on the positioning disc (1);
the pressing mechanism comprises a pressing cylinder (7) and a pressing disc (8), and the pressing disc (8) is horizontally arranged above the positioning disc (1); the lower pressing cylinder (7) is fixedly arranged above the lower pressing disc (8), and the telescopic end of the lower pressing cylinder is vertically downward and is in transmission connection with the lower pressing disc (8);
the device also comprises a rotating frame (9) and a rotating motor (10), wherein the lower pressure cylinder (7) and the positioning disc (1) are respectively arranged on the rotating frame (9); the rotating motor (10) is fixedly arranged, and the driving end of the rotating motor is fixedly connected with the rotating frame (9) and is used for driving the rotating frame (9) to rotate on a vertical surface;
the positioning disc (1) and the lower pressing disc (8) can horizontally rotate respectively, at least one positioning block (11) is fixedly arranged on the lower pressing disc (8), and a V-shaped positioning groove (12) is formed in the lower end of the positioning block (11); the positioning disc (1) is provided with positioning nails (13), the lower pressing disc (8) can move downwards to press the part (2) on the positioning disc (1) and the positioning nails (13) are clamped into the positioning grooves (12);
the automatic positioning device also comprises a primary positioning mechanism, wherein the primary positioning mechanism comprises a primary positioning cylinder (15) and a pressing plate (16), the primary positioning cylinder (15) is fixedly arranged on the rotating frame (9), and the telescopic end of the primary positioning cylinder horizontally extends and is fixedly connected with the pressing plate (16); the tensioning mechanism comprises a tensioning sleeve and a driving assembly, and the tensioning sleeve is vertically arranged at the through hole;
the driving component is arranged at the through hole and is in transmission connection with the expansion sleeve, and is used for driving the expansion sleeve to expand to fix the planet cage (2-1) in the part (2) or retract to loosen the planet cage (2-1) in the part (2);
the expansion sleeve comprises a plurality of expansion blocks (3), and the expansion blocks (3) are movably arranged at the through holes in a circumferential manner; the driving component is in transmission connection with a plurality of tensioning blocks (3).
2. The high precision laser welding positioning device according to claim 1, wherein: the driving assembly comprises a tensioning rod (4) and a tensioning cylinder (5), the tensioning rod (4) is vertically inserted into the tensioning sleeve, two ends of the tensioning rod extend out of two ends of the tensioning sleeve respectively, and the upper end of the tensioning rod (4) and the upper end of the tensioning sleeve are in wedge-shaped and sliding connection respectively; the tensioning cylinder (5) is fixedly arranged on the lower surface of the positioning disc (1), and the telescopic end of the tensioning cylinder vertically extends upwards and is fixedly connected with the lower end of the tensioning rod (4).
3. The high precision laser welding positioning device according to claim 2, wherein: the driving assembly further comprises a tensioning seat (6), the tensioning seat (6) is fixedly arranged in the through hole, the upper end of the tensioning seat extends into the lower end of the tensioning sleeve, and the upper end of the tensioning seat is wedge-shaped and slidingly connected with the lower end of the tensioning sleeve; the inside of the tensioning seat (6) is hollow, two ends of the tensioning seat are open, the tensioning rod (4) is inserted into the tensioning seat (6), and two ends of the tensioning rod extend out of the tensioning seat (6) respectively.
4. The high precision laser welding positioning device according to claim 1, wherein: the rotary frame (9) is fixedly provided with a rotary motor (14), and the driving end of the rotary motor (14) is vertically upwards and is in transmission connection with the positioning disc (1) and used for driving the positioning disc (1) to horizontally rotate.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202310089988.2A CN115781019B (en) | 2023-02-09 | 2023-02-09 | High-precision laser welding positioning device |
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| CN202310089988.2A CN115781019B (en) | 2023-02-09 | 2023-02-09 | High-precision laser welding positioning device |
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| CN115781019A CN115781019A (en) | 2023-03-14 |
| CN115781019B true CN115781019B (en) | 2023-05-30 |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201279555Y (en) * | 2008-10-28 | 2009-07-29 | 山东法因数控机械股份有限公司 | Stretching rotating mechanism of cylinder workpiece |
| CN101434006B (en) * | 2008-11-14 | 2011-05-04 | 深圳市大族激光科技股份有限公司 | Laser beam welding workstation |
| CN201898420U (en) * | 2010-11-09 | 2011-07-13 | 南通巨能锻压机床有限公司 | Closed motor stator cramping machine |
| CN103769748A (en) * | 2014-01-14 | 2014-05-07 | 江苏中科四象激光科技有限公司 | Laser welding method for automobile gearbox planet carrier |
| CN106312338B (en) * | 2015-06-16 | 2018-05-22 | 武汉楚天工业激光设备有限公司 | Water pump impeller welding fixture |
| EP3117979B1 (en) * | 2015-07-17 | 2019-08-21 | Shanghai Seeyao Electronics Co Ltd | Process and device for simultaneous laser welding |
| CN206140003U (en) * | 2016-10-31 | 2017-05-03 | 郑州金海威科技实业有限公司 | Saw bit laser -beam welding machine's base member saw bit location revolving stage |
| CN210523332U (en) * | 2019-07-10 | 2020-05-15 | 无锡奥环智能科技有限公司 | Rotary tensioning device for barrel parts |
| CN113118653A (en) * | 2019-12-31 | 2021-07-16 | 广东利元亨智能装备股份有限公司 | Welding jig |
| CN211516461U (en) * | 2019-12-31 | 2020-09-18 | 广东利元亨智能装备股份有限公司 | Welding jig |
| CN212858241U (en) * | 2020-06-29 | 2021-04-02 | 麦格纳汽车动力总成(天津)有限公司 | Laser welding machine clamp |
| CN111730203A (en) * | 2020-07-10 | 2020-10-02 | 东莞市吉和金属制品有限公司 | Laser welding positioning rotating jig |
| CN215846324U (en) * | 2021-05-27 | 2022-02-18 | 华工法利莱切焊系统工程有限公司 | Laser welding device for disc type rotary parts |
| CN216680716U (en) * | 2021-12-21 | 2022-06-07 | 武汉创恒激光智能装备有限公司 | Laser welding system with multilayer lamination pre-compaction welding |
| CN217667135U (en) * | 2021-12-31 | 2022-10-28 | 苏州镭拓激光科技有限公司 | Integral type duplex position cup laser welding equipment |
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2023
- 2023-02-09 CN CN202310089988.2A patent/CN115781019B/en active Active
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| CN115781019A (en) | 2023-03-14 |
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