CN109332936B - Finely-adjustable walking gantry structure of refrigerator welding equipment - Google Patents
Finely-adjustable walking gantry structure of refrigerator welding equipment Download PDFInfo
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- CN109332936B CN109332936B CN201811447957.5A CN201811447957A CN109332936B CN 109332936 B CN109332936 B CN 109332936B CN 201811447957 A CN201811447957 A CN 201811447957A CN 109332936 B CN109332936 B CN 109332936B
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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
- B23K31/00—Processes relevant to this subclass, specially adapted for particular articles or purposes, but not covered by only one of the preceding main groups
- B23K31/02—Processes relevant to this subclass, specially adapted for particular articles or purposes, but not covered by only one of the preceding main groups relating to soldering or 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
- B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
- B23K37/02—Carriages for supporting the welding or cutting element
- B23K37/0211—Carriages for supporting the welding or cutting element travelling on a guide member, e.g. rail, track
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Abstract
A finely-adjustable walking gantry structure of freezer welding equipment comprises a gantry frame, wherein the gantry frame comprises fixed support legs, a gantry cross frame and movable support legs; the fixed support leg is provided with a first walking motor, the first walking motor is in transmission connection with a first walking gear, a first linear rack is arranged below the fixed support leg, and the first walking gear is meshed with the first linear rack; the movable support leg is provided with a second walking motor, the second walking motor is in transmission connection with a second walking gear, a second linear rack is arranged below the movable support leg, and the second walking gear is meshed with the second linear rack. The invention can solve the problem that the welding quality is influenced because the random deviation is easy to occur in the welding seam positions on the two sides due to low assembling precision of the two side plates of the refrigerator workpiece, and simultaneously can avoid the complicated operation of welding one side before welding the other side in the prior art.
Description
Technical Field
The invention relates to a refrigerator welding device, in particular to a finely-adjustable walking gantry structure of the refrigerator welding device.
Background
In the present freezer welding field, the side direction vertical welding generally all is that the welding equipment of installation welds on fixed or movable gantry structure welds, nevertheless because the curb plate precision of assembling on the freezer both sides is not high, often can lead to the easy deviation that appears in the welding seam position of the side direction vertical welding on both sides, and the deviation is random, no matter be like this fixed or movable gantry structure on the welding equipment can only fix freezer or gantry structure earlier and carry out the welding seam of one side, weld after finishing adjusting another side phase position afterwards and weld, it is very inconvenient to operate like this, and efficiency is very low, the production beat is very slow.
Therefore, further improvements are needed.
Disclosure of Invention
The invention aims to provide a finely-adjustable walking gantry structure which can solve the problem that welding quality is affected due to the fact that random deviation is easy to occur in welding seam positions on two sides caused by low assembling precision of two side plates of a refrigerator workpiece, and meanwhile can avoid the traditional complex operation of welding one side first and then welding the other side, so that the defects in the prior art are overcome.
The finely-adjustable walking gantry structure of the freezer welding equipment designed according to the purpose comprises a gantry frame walking on the side part of a freezer workpiece and walking along a linear guide rail, wherein the gantry frame is provided with walking rollers, and the walking rollers roll on the linear guide rail; the method is characterized in that: the gantry frame comprises fixed support legs, a gantry cross frame and movable support legs, the fixed support legs are fixedly connected with the gantry cross frame, the movable support legs are connected with the gantry cross frame in a sliding mode, and the movable support legs can slide relative to the fixed support legs; the fixed support leg is provided with a first walking motor, an output shaft of the first walking motor is in transmission connection with a first walking gear, a first linear rack matched with the fixed support leg is arranged below the fixed support leg, and the first walking gear is meshed with the first linear rack; a second walking motor is arranged on the movable support leg, a second walking gear is connected to an output shaft of the second walking motor in a transmission manner, a second linear rack matched with the movable support leg is arranged below the movable support leg, and the second walking gear is meshed with the second linear rack; the walking rollers are respectively arranged on the fixed supporting legs and the movable supporting legs.
The brake assembly is arranged on the fixed supporting leg and/or the movable supporting leg and comprises a brake cylinder and a brake block, one end of the brake cylinder is connected with the corresponding supporting leg, and the other end of the brake cylinder is connected with the brake block; when braking, the brake cylinder drives the brake block to be locked with the corresponding linear guide rail.
The fixed support legs are fixedly connected with one end of the gantry cross frame, the movable support legs are connected with the other end of the gantry cross frame in a sliding mode, and a guide rail sliding block assembly is arranged between the movable support legs and the other end of the gantry cross frame; the guide rail sliding block assembly comprises a fine adjustment guide rail arranged on the movable support leg and a fine adjustment sliding block arranged on the gantry cross frame, the fine adjustment sliding block slides on the fine adjustment guide rail, a limiting block is arranged on the movable support leg, and when the movable support leg slides to a specified position relative to the gantry cross frame, the fine adjustment sliding block is in limited touch with the limiting block.
And the fixed supporting feet and/or the movable supporting feet are/is provided with lateral guide wheels, and the lateral guide wheels roll on one side or two sides of the linear guide rail.
The three-axis real-time tracking welding structure is arranged on the gantry frame and comprises an X-axis driving assembly for driving the welding gun and the laser tracking component to move along an X axis, a Y-axis driving assembly for driving the welding gun and the laser tracking component to move along a Y axis, a Z-axis driving assembly for driving the welding gun and the laser tracking component to move along a Z axis, and a fine adjustment assembly at least used for adjusting the rotation angle of the welding gun, wherein the fine adjustment assembly comprises a fine adjustment support plate, a swing connecting seat, a moving connecting seat, a first rodless cylinder and a second rodless cylinder; the X-axis driving assembly, the Y-axis driving assembly and/or the Z-axis driving assembly drive the welding gun and the laser tracking component to move relatively through the fine-tuning support plate; the welding gun is arranged on the swinging connecting seat, the swinging connecting seat is hinged on the fine adjustment support plate, the first rodless cylinder acts on the swinging connecting seat to swing on the fine adjustment support plate in a reciprocating mode, and the welding gun swings in a reciprocating mode along with the swinging connecting seat relative to the fine adjustment support plate; the laser tracking component is arranged on the movable connecting seat, the movable connecting seat is arranged on the fine adjustment support plate in a sliding mode, the second rodless cylinder acts on the movable connecting seat to slide on the fine adjustment support plate in a reciprocating mode, and the laser tracking component slides in a reciprocating mode along with the movable connecting seat relative to the fine adjustment support plate.
One end of the swing connecting seat is provided with a first extending part and a second extending part, and the welding gun is arranged at the other end of the swing connecting seat; the first extension part is positioned and rotated on the fine adjustment support plate through a hinge shaft, a cylinder barrel on the first rodless cylinder is fixed on the fine adjustment support plate along an X axis, a sliding bearing is arranged on a sliding block on the first rodless cylinder, a strip-shaped groove is formed in the second extension part, and the sliding bearing is movably arranged on the strip-shaped groove; when the first rodless cylinder works, the corresponding sliding block acts on the second extending part through the sliding bearing so as to drive the welding gun to swing in a reciprocating manner through the swing connecting seat.
The cylinder barrel on the second rodless cylinder is fixed on the fine adjustment support plate along the X axis, and the sliding block on the second rodless cylinder is connected with the movable connecting seat; when the second rodless cylinder works, the corresponding sliding block drives the laser tracking component to slide back and forth along the X axis through the movable connecting seat.
The piano type pressing structure is arranged on one side or two sides of the gantry frame and comprises a pressing support and more than one pressing unit arranged on the pressing support, each pressing unit comprises a pressing fixed plate, a pressing air cylinder, a pressing movable plate and a pressing claw, the pressing fixed plate is fixedly arranged relative to the pressing support, the pressing movable plate is arranged on the pressing fixed plate in a sliding mode, one end of the pressing air cylinder is connected with the pressing support or the pressing fixed plate, the other end of the pressing air cylinder is connected with the pressing movable plate, and the pressing claws are arranged on the pressing movable plate; when the pressing cylinder works, the pressing cylinder drives the pressing claw to move in a reciprocating mode through the pressing movable plate so as to loosen or press the refrigerator workpiece.
One end of the pressing claw is hinged to the pressing movable plate, and the other end of the pressing claw is used for pressing the refrigerator workpiece; a pressing elastic piece is arranged between the pressing claw and the pressing movable plate and drives the pressing claw to elastically reset and swing on the pressing movable plate.
The pressing support is provided with more than one connecting arm, the pressing units are arranged on the corresponding connecting arms, and the pressing fixing plate is fixed on the connecting arms; the pressing movable plate is provided with a positioning shaft, one end of the positioning shaft is arranged on the pressing movable plate, the other end of the positioning shaft is inserted into the strip-shaped avoiding hole in the pressing claw in a sliding mode, the pressing elastic piece is sleeved on the positioning shaft, one end of the pressing elastic piece acts on the pressing movable plate, and the other end of the pressing elastic piece acts on the pressing claw.
The finely-adjustable walking gantry structure realizes that two sides of a refrigerator workpiece can be simultaneously subjected to positioning welding, so that the production efficiency is greatly improved; particularly, by arranging a structure that the movable support legs can slide relative to the fixed support legs, the fixed support and the movable support can be respectively subjected to relative fine adjustment according to actual needs in the welding process, so that different welding requirements on two sides of a refrigerator workpiece can be met, the effect of simultaneous welding is realized, and the welding quality and efficiency are effectively improved; the technical effect that both sides of a refrigerator workpiece can be welded simultaneously solves the problem caused by the complex operation of welding one side before welding the other side in the prior art, effectively simplifies the work and reduces the labor intensity of workers.
In addition, sliding symmetrical welding can be realized by a triaxial real-time tracking welding structure, the welding angle of a welding gun can be adjusted according to welding requirements, different welding requirements are met, the operation is very convenient and rapid, the working efficiency is greatly improved, the automation degree is high, and the production takt is greatly improved; in addition, because freezer welding equipment's finely tune walking gantry structure can satisfy multi-angle welding, so workman's intensity of labour reduces, has saved a plurality of devices than traditional equipment, and cost reduction cooperates the three-dimensional regulation of X, Y, Z axles, makes welder can weld the work piece side optional position, and commonality and practicality are strong.
Drawings
Fig. 1 is a schematic view of a working state of a welding apparatus for a refrigerator according to an embodiment of the present invention.
Fig. 2 is a schematic view of a welding apparatus of a refrigerator in an inoperative state according to an embodiment of the present invention.
Fig. 3 is a schematic structural diagram of a finely adjustable walking gantry structure according to an embodiment of the present invention.
Fig. 4 is an exploded view of a gantry frame in an embodiment of the present invention.
Fig. 5 is a perspective view of a gantry frame in an embodiment of the invention.
Fig. 6 is an enlarged schematic view at J in fig. 2.
Fig. 7 is an enlarged view of fig. 2 at K.
Fig. 8 is an enlarged schematic view at L in fig. 5.
Fig. 9 is an assembly diagram of a three-axis real-time tracking welding structure in an embodiment of the invention.
FIG. 10 is a partially assembled perspective view of a weld stud and Z-axis drive assembly in accordance with an embodiment of the present invention.
FIG. 11 is a partially assembled perspective view of the X-axis drive assembly, the Y-axis drive assembly, the trim assembly, the torch, and the laser tracking assembly in accordance with an embodiment of the present invention.
FIG. 12 is a partially assembled top view of the X-axis drive assembly, the Y-axis drive assembly, the trim assembly, the torch, and the laser tracking assembly in accordance with an embodiment of the present invention.
Fig. 13 is a schematic view of a three-axis real-time tracking welding structure performing a first welding process on a freezer workpiece according to an embodiment of the invention.
Fig. 14 is a schematic view of a three-axis real-time tracking welding structure performing a second welding process on a freezer workpiece according to an embodiment of the invention.
Fig. 15 is an assembly view of a piano key style compression configuration in accordance with an embodiment of the invention.
Fig. 16 is a schematic view of the key-type compact structure and freezer workpiece combination in an embodiment of the invention.
Fig. 17 is an enlarged partial cross-sectional view of a piano key type hold down mechanism unfastened freezer workpiece in one embodiment of the invention.
Fig. 18 is an enlarged partial cross-sectional view of a piano key type hold down structure holding down a freezer workpiece in accordance with an embodiment of the present invention.
Detailed Description
The invention is further described with reference to the following figures and examples.
Referring to fig. 1-8:
the finely-adjustable walking gantry structure A of the freezer welding equipment comprises a gantry frame A1 which walks on the side of a freezer workpiece B and walks along a linear guide rail C, wherein a plurality of walking rollers A1.6 are arranged at the bottom of the gantry frame A1, and the walking rollers A1.6 roll on the linear guide rail C, so that the gantry frame A1 rolls on the linear guide rail C and the gantry frame A1 is ensured to slide along the linear guide rail C; the gantry frame A1 comprises a fixed support leg A1.1, a gantry cross frame A1.2 and a movable support leg A1.4, the fixed support leg A1.1 is fixedly connected with the gantry cross frame A1.2, the movable support leg A1.4 is connected with the gantry cross frame A1.2 in a sliding manner, and the movable support leg A1.4 can slide relative to the fixed support leg A1.1; a first walking motor A1.9 is arranged on the fixed supporting foot A1.1, a first walking gear A1.10 is connected to an output shaft of the first walking motor A1.9 in a transmission manner, a first linear rack (not shown in the figure) matched with the fixed supporting foot A1.1 is arranged below the fixed supporting foot A1.1, and the first walking gear A1.10 is meshed with the first linear rack; a second walking motor A1.11 is arranged on the movable support leg A1.4, a second walking gear A1.12 is connected to an output shaft of the second walking motor A1.11 in a transmission manner, a second linear rack D matched with the movable support leg A1.4 is arranged below the movable support leg A1.4, and the second walking gear A1.12 is meshed with the second linear rack D; the first linear rack and the second linear rack D respectively extend along the linear guide rail C; the walking rollers A1.6 are respectively arranged at the bottoms of the fixed supporting foot A1.1 and the movable supporting foot A1.4. The finely-adjustable walking gantry structure A realizes that the two sides of the refrigerator workpiece B can be simultaneously subjected to positioning welding, so that the production efficiency is greatly improved; specifically, by arranging a structure that the movable support leg A1.4 can slide relative to the fixed support leg A1.1, the fixed support A1.1 and the movable support A1.4 can be respectively subjected to relative fine adjustment according to actual needs in the welding process, so that different welding requirements on two sides of a refrigerator workpiece B can be met, the effect of simultaneous welding is realized, and the welding quality and efficiency are effectively improved; the technical effect that both sides of the refrigerator workpiece B can be welded simultaneously solves the problem caused by the complex operation of welding one side and then welding the other side in the prior art, effectively simplifies the work and reduces the labor intensity of workers.
Further, the corresponding positions of the bottoms of the fixed supporting leg A1.1 and the movable supporting leg A1.4 are respectively provided with a brake assembly, the brake assembly comprises a brake cylinder A1.7 and a brake block A1.8, the cylinder body end of the brake cylinder A1.7 is fixedly connected with the corresponding supporting leg, and the rod body end is fixedly connected with the brake block A1.8; when braking, the brake cylinder A1.7 pushes the brake block A1.8 upwards or downwards to lock the brake block with the corresponding linear guide rail C, so that the purpose of braking is achieved.
Further, the fixed support leg A1.1 is fixedly connected with one end of the gantry cross frame A1.2, the movable support leg A1.4 is connected with the other end of the gantry cross frame A1.2 in a sliding manner, and a guide rail sliding block assembly A1.3 is arranged between the movable support leg A1.4 and the other end of the gantry cross frame A1.2; the guide rail sliding block assembly A1.3 comprises a fine adjustment guide rail A1.3.1 arranged on the movable support leg A1.4 and a fine adjustment sliding block A1.3.2 arranged on the gantry cross frame A1.2, the fine adjustment sliding block A1.3.2 slides on the fine adjustment guide rail A1.3.1, and the arrangement of the guide rail sliding block assembly A1.3 can effectively improve the smoothness and accuracy of fine adjustment sliding; the both sides of activity stabilizer blade A1.4 top are provided with stopper A1.4.1 respectively, and when activity stabilizer blade A1.4 slided to the assigned position relative longmen crossbearer A1.2, fine setting slider A1.3.2 and stopper A1.4.1 spacing touching mutually avoids fine setting slider A1.3.2 to break away from fine setting guide rail A1.3.1.
Furthermore, the bottom parts of the fixed supporting foot A1.1 and the movable supporting foot A1.4 are respectively provided with a lateral guide wheel A1.5, the two lateral guide wheels A1.5 are in a group and are arranged in a plurality of groups, and the group of lateral guide wheels A1.5 roll on two sides of the linear guide rail C, so that the offset of the gantry frame A1 during walking is effectively prevented.
See fig. 9-14:
a three-axis real-time tracking welding structure A2 is arranged on the gantry frame A1 and comprises an X-axis driving assembly for driving the welding gun A3 and the laser tracking component A4 to move along the X axis, a Y-axis driving assembly for driving the welding gun A3 and the laser tracking component A4 to move along the Y axis, a driving welding gun A3, a Z-axis driving assembly for driving the laser tracking component A4 to move along the Z axis, and a fine adjustment assembly at least used for adjusting the rotation angle of the welding gun A3, wherein the fine adjustment assembly comprises a fine adjustment carrier plate A2.22, a swing connecting seat A2.26, a moving connecting seat A2.31, a first rodless cylinder A2.23 and a second rodless cylinder A2.30; the X-axis driving assembly, the Y-axis driving assembly and the Z-axis driving assembly respectively drive the welding gun A3 and the laser tracking component A4 to move relatively through the fine-tuning carrier plate A2.22; the welding gun A3 is arranged on the swing connecting seat A2.26, the swing connecting seat A2.26 is hinged on the fine adjustment carrier plate A2.22, the first rodless cylinder A2.23 acts on the swing connecting seat A2.26 to swing on the fine adjustment carrier plate A2.22 in a reciprocating manner, and the welding gun A3 swings in a reciprocating manner along with the swing connecting seat A2.26 relative to the fine adjustment carrier plate A2.22, so that the rotation angle of the welding gun A3 is adjustable; the laser tracking component A4 is arranged on the mobile connecting seat A2.31, the mobile connecting seat A2.31 is arranged on the fine adjustment carrier plate A2.22 in a sliding manner, the second rodless cylinder A2.30 acts on the mobile connecting seat A2.31 to slide on the fine adjustment carrier plate A2.22 in a reciprocating manner, the laser tracking component A4 slides in a reciprocating manner along with the mobile connecting seat A2.31 relative to the fine adjustment carrier plate A2.22, and the laser tracking component A4 slides to a corresponding position according to a rotation angle adjusted by the welding gun A3.
Furthermore, one end of the swing connecting seat a2.26 is provided with a first extending portion a2.32 and a second extending portion a2.33, the extending directions of the first extending portion a2.32 and the second extending portion a2.33 are opposite, and the welding gun a3 is arranged at the other end of the swing connecting seat a 2.26; the first extending part A2.32 is positioned and rotated on the fine adjustment carrier plate A2.22 through a hinge shaft A2.24, a cylinder barrel on the first rodless cylinder A2.23 is fixed on the fine adjustment carrier plate A2.22 along an X axis, a sliding bearing A2.25 is arranged on a sliding block on the first rodless cylinder A2.23, a strip-shaped groove A2.27 is formed in the second extending part A2.33, and the sliding bearing A2.25 moves on the strip-shaped groove A2.27; when the first rodless cylinder A2.23 works, the corresponding sliding block acts on the second extending part A2.33 through the sliding bearing A2.25 to drive the swing connecting seat A2.26 to swing around the hinge shaft A2.24, meanwhile, the interaction between the strip-shaped groove A2.27 and the sliding bearing A2.25 can effectively control the swing amplitude of the swing connecting seat A2.26, the first rodless cylinder A2.23 drives the welding gun A3 to swing in a reciprocating mode through the swing connecting seat A2.26, the rotation angle of the welding gun A3 is adjustable, and the finely-adjustable walking gantry structure A2 of the freezer welding equipment can meet the welding of multiple angles.
Furthermore, a cylinder barrel on the second rodless cylinder A2.30 is fixed on the fine adjustment carrier plate A2.22 along the X axis, and a sliding block on the second rodless cylinder A2.30 is connected with a movable connecting seat A2.31; when the second rodless cylinder A2.30 works, the corresponding sliding block drives the laser tracking component A4 to slide back and forth along the X axis through the movable connecting seat A2.31; the position of the laser tracking part A4 is adjusted to correspond to the welding angle of the welding gun A3 after adjustment, so that the welding quality is ensured.
Furthermore, the Z-axis driving assembly is arranged on the welding column a2.1 and comprises a Z-axis servo motor a2.2, a Z-axis ball screw a2.3, a Z-axis ball nut a2.4 and a Z-axis support frame a2.5, the Z-axis servo motor a2.2 is in transmission connection with the Z-axis ball screw a2.3, the Z-axis ball screw a2.3 extends along the Z-axis and is positioned and rotated relative to the welding column a2.1, the Z-axis ball nut a2.4 is screwed on the Z-axis ball screw a2.3, the Z-axis ball nut a2.4 is fixedly connected with the Z-axis support frame a2.5, and the welding gun A3 and the laser tracking part a4 are respectively arranged on the Z-axis support frame a2.5 through an X-axis driving assembly and/or a Y-axis driving assembly; a guide rail sliding block structure is arranged between the Z-axis support frame and the welding upright post A2.1; when the Z-axis servo motor A2.2 works, the Z-axis ball nut A2.4 drives the Z-axis support frame A2.5 to slide along the Z axis under the action of the threads, and further drives the welding gun A3 and the laser tracking part A4 on the Z-axis support frame A2.5 to move along the Z axis.
Furthermore, an X-axis driving assembly is arranged on the Z-axis support frame A2.5, and a welding gun A3 and a laser tracking component A4 are arranged on the X-axis driving assembly through a Y-axis driving assembly; the X-axis driving component comprises an X-axis servo motor A2.6, an X-axis driving roller A2.8, an X-axis transmission belt A2.9, an X-axis driven roller A2.10, a clamping block A2.11 and an X-axis transmission block A2.12; an X-axis driving roller A2.8 is arranged on an output shaft of an X-axis servo motor A2.6, the X-axis driving roller A2.8 and an X-axis driven roller A2.10 are respectively positioned and rotatably arranged relative to a Z-axis support frame A2.5, an X-axis transmission belt A2.9 is wound on the X-axis driving roller A2.8 and the X-axis driven roller A2.10, an X-axis transmission block A2.12 is connected with the X-axis transmission belt A2.9 through a clamping block A2.11, the clamping block A2.11 is connected with the part of the X-axis transmission belt A2.9 extending along the X axis, and the X-axis transmission block A2.12 is connected with a Y-axis driving component; when the X-axis servo motor A2.6 works, the X-axis transmission belt A2.9 runs, the clamping block A2.11 drives the X-axis transmission block A2.12 to slide along the X axis, and then the welding gun A3 and the laser tracking component A4 on the Y-axis driving assembly are driven to move along the X axis.
Furthermore, the Y-axis driving assembly comprises a Y-axis servo motor A2.14, a Y-axis ball screw A2.19 and a Y-axis ball nut A2.20; a Y-axis servo motor A2.14 is in transmission connection with a Y-axis ball screw A2.19, the Y-axis ball screw A2.19 is positioned and rotationally arranged relative to an X-axis transmission block A2.12, a Y-axis ball nut A2.20 is screwed on the Y-axis ball screw A2.19, and a fine-tuning carrier plate A2.22 is fixedly connected with the Y-axis ball nut A2.20 through a transmission support A2.21; when the Y-axis servo motor A2.14 works, the Y-axis ball nut A2.20 drives the welding gun A3 and the laser tracking component A4 to move along the Y axis through the transmission bracket A2.21 and the fine-tuning carrier plate A2.22 under the action of the screw thread.
Furthermore, the Y-axis driving assembly further comprises a Y-axis frame A2.13, an X-axis transmission block A2.12 is fixedly connected to the Y-axis frame A2.13, a Y-axis ball screw A2.19 is positioned and rotated on the Y-axis frame A2.13, a Y-axis driving roller A2.16 and a Y-axis driven roller A2.18 are positioned and rotated on the Y-axis frame A2.13, a Y-axis transmission belt A2.17 is wound between the Y-axis driving roller A2.16 and the Y-axis driven roller A2.18, the Y-axis driving roller A2.16 is connected with an output shaft of a Y-axis servo motor A2.14, and the Y-axis driven roller A2.18 is connected with the Y-axis ball screw A2.19; the Y-axis servo motor A2.14 effectively drives the Y-axis ball screw A2.19 to rotate through the Y-axis transmission belt A2.17.
Furthermore, the swinging connecting seat A2.26 is connected with a welding gun A3 through a manual adjusting table A2.28 and a mounting bracket A2.29, so that the welding gun A3 can be adjusted relative to the swinging connecting seat A2.26 according to actual requirements; the swinging connecting seat A2.26 is arranged in an inverted L shape, and the welding gun A3 is positioned above the laser tracking part A4.
See fig. 15-18:
two sets of piano key type pressing structures A5 are respectively arranged on two sides of the gantry frame A1, and the two sets of piano key type pressing structures A5 on the same side are mutually symmetrical; the piano type pressing structure A5 comprises a pressing support A5.1 and five pressing units which are vertically arranged on the pressing support A5.1, wherein each pressing unit comprises a pressing fixed plate A5.3, a pressing cylinder A5.4, a pressing movable plate A5.5 and two pressing claws A5.7, the pressing fixed plate A5.3 is fixedly arranged relative to the pressing support A5.1, the pressing movable plate A5.5 is arranged on the pressing fixed plate A5.3 in a sliding manner, one end of the pressing cylinder A5.4 is connected with the pressing support A5.1, the other end of the pressing cylinder A5.4 is connected with the pressing movable plate A5.5, and the two pressing claws A5.7 are respectively arranged on the pressing movable plate A5.5; when the pressing cylinder A5.4 works, the pressing cylinder A5.4 drives the six pressing claws A5.7 to reciprocate through the pressing movable plate A5.5 so as to loosen or press the refrigerator workpiece B; among this compact structure, the claw A5.7 that compresses tightly has adopted the piano type setting, and it can adapt to freezer work piece B unevenness's side automatically, and then makes to compress tightly that the effect is better reliable.
Furthermore, one end of a pressing claw A5.7 is hinged on the pressing movable plate A5.5, and the other end is used for pressing the refrigerator workpiece B; a pressing elastic part A5.6 (a spiral spring) is arranged between the pressing claw A5.7 and the pressing movable plate A5.5, and the pressing elastic part A5.6 drives the pressing claw A5.7 to elastically reset and swing on the pressing movable plate A5.5; the pressing claw A5.7 can be endowed with certain elasticity through the pressing elastic piece A5.6, so that the side face of the freezer workpiece B can be elastically pressed, and the pressing reliability and stability are improved.
Furthermore, five connecting arms A5.2 which are respectively matched with the compressing units are arranged on the compressing bracket A5.1, the compressing units are arranged on the corresponding connecting arms A5.2, and the compressing fixing plate A5.3 is fixed on the connecting arms A5.2; the pressing movable plate A5.5 is provided with a positioning shaft A5.8, one end of the positioning shaft A5.8 is arranged on the pressing movable plate A5.5, the other end of the positioning shaft A5.8 is inserted into the strip-shaped avoiding hole A5.7.1 on the pressing claw A5.7 in a sliding mode, the pressing elastic piece A5.6 is sleeved on the positioning shaft A5.8, one end of the pressing elastic piece A acts on the pressing movable plate A5.5, and the other end of the pressing elastic piece A acts on the pressing claw A5.7.
The foregoing is a preferred embodiment of the present invention, and the basic principles, principal features and advantages of the invention are shown and described. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are intended to illustrate the principles of the invention, but that various changes and modifications may be made without departing from the spirit and scope of the invention, and the invention is intended to be protected by the following claims. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (8)
1. A finely-adjustable walking gantry structure of freezer welding equipment comprises a gantry frame (A1) walking on the side of a freezer workpiece (B) and walking along a linear guide rail (C), wherein a walking roller (A1.6) is arranged on the gantry frame (A1), and the walking roller (A1.6) rolls on the linear guide rail (C); the gantry frame (A1) comprises fixed support legs (A1.1), a gantry cross frame (A1.2) and movable support legs (A1.4), the fixed support legs (A1.1) are fixedly connected with the gantry cross frame (A1.2), the movable support legs (A1.4) are connected with the gantry cross frame (A1.2) in a sliding manner, and the movable support legs (A1.4) can slide relative to the fixed support legs (A1.1); a first walking motor (A1.9) is arranged on the fixed support leg (A1.1), a first walking gear (A1.10) is connected to an output shaft of the first walking motor (A1.9) in a transmission manner, a first linear rack matched with the fixed support leg (A1.1) is arranged below the fixed support leg (A1.1), and the first walking gear (A1.10) is meshed with the first linear rack; a second walking motor (A1.11) is arranged on the movable support leg (A1.4), a second walking gear (A1.12) is connected to an output shaft of the second walking motor (A1.11) in a transmission manner, a second linear rack (D) matched with the movable support leg (A1.4) is arranged below the movable support leg (A1.4), and the second walking gear (A1.12) is meshed with the second linear rack (D); the walking rollers (A1.6) are respectively arranged on the fixed supporting feet (A1.1) and the movable supporting feet (A1.4); the method is characterized in that:
the fixed supporting leg (A1.1) and/or the movable supporting leg (A1.4) are/is provided with a brake assembly, the brake assembly comprises a brake cylinder (A1.7) and a brake block (A1.8), one end of the brake cylinder (A1.7) is connected with the corresponding supporting leg, and the other end of the brake cylinder (A1.7) is connected with the brake block (A1.8); when braking, the brake cylinder (A1.7) drives the brake block (A1.8) to be locked with the corresponding linear guide rail (C);
the fixed support leg (A1.1) is fixedly connected with one end of the gantry cross frame (A1.2), the movable support leg (A1.4) is connected with the other end of the gantry cross frame (A1.2) in a sliding manner, and a guide rail sliding block assembly (A1.3) is arranged between the movable support leg (A1.4) and the other end of the gantry cross frame (A1.2); the guide rail sliding block assembly (A1.3) comprises a fine adjustment guide rail (A1.3.1) arranged on a movable support leg (A1.4) and a fine adjustment sliding block (A1.3.2) arranged on a gantry cross frame (A1.2), wherein the fine adjustment sliding block (A1.3.2) slides on the fine adjustment guide rail (A1.3.1), a limiting block (A1.4.1) is arranged on the movable support leg (A1.4), and when the movable support leg (A1.4) slides to a specified position relative to the gantry cross frame (A1.2), the fine adjustment sliding block (A1.3.2) and the limiting block (A1.4.1) are in limited touch.
2. The finely adjustable walking gantry structure of freezer welding equipment of claim 1, characterized in that: and the fixed supporting foot (A1.1) and/or the movable supporting foot (A1.4) are/is provided with a lateral guide wheel (A1.5), and the lateral guide wheel (A1.5) rolls on one side or two sides of the linear guide rail (C).
3. The finely adjustable walking gantry structure of freezer welding equipment of claim 2, characterized in that: the gantry frame (A1) is provided with a three-axis real-time tracking welding structure which comprises an X-axis driving assembly for driving a welding gun (A3) and a laser tracking component (A4) to move along an X axis, a Y-axis driving assembly for driving the welding gun (A3) and the laser tracking component (A4) to move along a Y axis, a Z-axis driving assembly for driving the welding gun (A3) and the laser tracking component (A4) to move along a Z axis, and a fine adjustment assembly at least used for adjusting the rotation angle of the welding gun (A3), wherein the fine adjustment assembly comprises a fine adjustment support plate (A2.22), a swing connecting seat (A2.26), a moving connecting seat (A2.31), a first rodless cylinder (A2.23) and a second rodless cylinder (A2.30); the X-axis driving assembly, the Y-axis driving assembly and/or the Z-axis driving assembly drive the welding gun (A3) and the laser tracking component (A4) to move relatively through the fine-tuning carrier plate (A2.22); the welding gun (A3) is arranged on the swinging connecting seat (A2.26), the swinging connecting seat (A2.26) is hinged on the fine adjustment support plate (A2.22), the first rodless cylinder (A2.23) acts on the swinging connecting seat (A2.26) to swing on the fine adjustment support plate (A2.22) in a reciprocating manner, and the welding gun (A3) swings in a reciprocating manner along with the swinging connecting seat (A2.26) relative to the fine adjustment support plate (A2.22); the laser tracking component (A4) is arranged on the movable connecting seat (A2.31), the movable connecting seat (A2.31) is arranged on the fine adjustment carrier plate (A2.22) in a sliding manner, the second rodless cylinder (A2.30) acts on the movable connecting seat (A2.31) to slide on the fine adjustment carrier plate (A2.22) in a reciprocating manner, and the laser tracking component (A4) slides in a reciprocating manner along with the movable connecting seat (A2.31) relative to the fine adjustment carrier plate (A2.22).
4. The finely adjustable walking gantry structure of freezer welding equipment of claim 3, characterized in that: one end of the swing connecting seat (A2.26) is provided with a first extending part (A2.32) and a second extending part (A2.33), and the welding gun (A3) is arranged at the other end of the swing connecting seat (A2.26); the first extension part (A2.32) is positioned and rotated on the fine adjustment carrier plate (A2.22) through a hinge shaft (A2.24), a cylinder barrel on the first rodless cylinder (A2.23) is fixed on the fine adjustment carrier plate (A2.22) along an X axis, a sliding bearing (A2.25) is arranged on a sliding block on the first rodless cylinder (A2.23), a strip-shaped groove (A2.27) is formed in the second extension part (A2.33), and the sliding bearing (A2.25) is movably arranged on the strip-shaped groove (A2.27); when the first rodless cylinder (A2.23) works, the corresponding sliding block acts on the second extending part (A2.33) through a sliding bearing (A2.25) to drive the welding gun (A3) to swing back and forth through the swing connecting seat (A2.26).
5. The finely adjustable walking gantry structure of freezer welding equipment of claim 4, characterized in that: a cylinder barrel on the second rodless cylinder (A2.30) is fixed on the fine adjustment carrier plate (A2.22) along the X axis, and a sliding block on the second rodless cylinder (A2.30) is connected with a movable connecting seat (A2.31); when the second rodless cylinder (A2.30) works, the corresponding slide block drives the laser tracking component (A4) to slide back and forth along the X axis through the movable connecting seat (A2.31).
6. The finely adjustable walking gantry structure of the freezer welding equipment of any one of claims 1-4, wherein: one side or two sides of the gantry frame (A1) are provided with a piano type pressing structure (A5), the piano type pressing structure (A5) comprises a pressing support (A5.1) and more than one pressing unit arranged on the pressing support (A5.1), the pressing unit comprises a pressing fixed plate (A5.3), a pressing cylinder (A5.4), a pressing movable plate (A5.5) and a pressing claw (A5.7), the pressing fixed plate (A5.3) is fixedly arranged relative to the pressing support (A5.1), the pressing movable plate (A5.5) is arranged on the pressing fixed plate (A5.3) in a sliding mode, one end of the pressing cylinder (A5.4) is connected with the pressing support (A5.1) or the pressing fixed plate (A5.3), the other end of the pressing movable plate (A5.5) is connected with the other end of the pressing cylinder (A5.4), and the pressing claw (A5.7) is arranged on the; when the pressing cylinder (A5.4) works, the pressing cylinder (A5.4) drives the pressing claw (A5.7) to reciprocate through the pressing movable plate (A5.5) so as to loosen or press the refrigerator workpiece (B).
7. The finely adjustable walking gantry structure of freezer welding equipment of claim 6, characterized in that: one end of the pressing claw (A5.7) is hinged on the pressing movable plate (A5.5), and the other end of the pressing claw is used for pressing a refrigerator workpiece (B); a pressing elastic part (A5.6) is arranged between the pressing claw (A5.7) and the pressing movable plate (A5.5), and the pressing elastic part (A5.6) drives the pressing claw (A5.7) to elastically reset and swing on the pressing movable plate (A5.5).
8. The finely adjustable walking gantry structure of freezer welding equipment of claim 7, characterized in that: more than one connecting arm (A5.2) is arranged on the pressing bracket (A5.1), the pressing unit is arranged on the corresponding connecting arm (A5.2), and the pressing fixing plate (A5.3) is fixed on the connecting arm (A5.2); compress tightly and be provided with location axle (A5.8) on fly leaf (A5.5), location axle (A5.8) one end sets up on compressing tightly fly leaf (A5.5), the other end slidingtype inserts bar on compressing tightly claw (A5.7) and dodges hole (A5.7.1), compresses tightly elastic component (A5.6) cover and locates on location axle (A5.8), and one end acts on compressing tightly on fly leaf (A5.5), the other end acts on compressing tightly claw (A5.7).
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| CN201811447957.5A CN109332936B (en) | 2018-11-29 | 2018-11-29 | Finely-adjustable walking gantry structure of refrigerator welding equipment |
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| CN201811447957.5A CN109332936B (en) | 2018-11-29 | 2018-11-29 | Finely-adjustable walking gantry structure of refrigerator welding equipment |
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| CN109332936B true CN109332936B (en) | 2021-02-12 |
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| CN109332936A (en) | 2019-02-15 |
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