CN216227677U - Large connecting rod welding system - Google Patents

Abstract

A large connecting rod welding system, comprising: the positioner is provided with a connecting rod to be welded; the transverse sliding device is arranged on one side of the positioner, a vertical sliding device is fixedly arranged on the transverse sliding device, and a six-axis welding robot is fixedly arranged on the vertical sliding device; set up the smoke and dust purifier in six welding robot one sides for the welding smoke and dust that produces when welding six welding robot absorbs the purification. The utility model can replace the original manual welding mode, thereby improving the welding quality, improving the production efficiency and reducing the labor intensity; meanwhile, the air quality in the workshop is purified, the dustless workshop is realized, the working environment of the workshop is improved, and occupational diseases of workers are reduced.

Description

Large connecting rod welding system

Technical Field

The utility model relates to the technical field of connecting rod welding production equipment, in particular to a large connecting rod welding system.

Background

In the production process of metal connecting rods, the control of the welding process is a key factor for ensuring the manufacturing quality of the connecting rod, so the best method is to produce and manufacture the connecting rod by special welding equipment. At present, domestic connecting rods of models of PM386.08, PM386.09, Y016 and the like are mainly welded manually, and simple tools are used for clamping and welding in production. The welding mode causes unstable welding quality, leads to welding deformation of the connecting rod and causes inconsistent size; each connecting rod process is completed manually, so that the labor intensity is high, the production efficiency is low, the welding quality is unstable, the appearance of a welding line is rough, and the attractiveness is affected.

Therefore, a large connecting rod welding system is urgently needed, an original manual welding mode can be replaced, the welding quality is improved, the production efficiency is improved, and the labor intensity is reduced; meanwhile, the air quality in the workshop is purified, the dustless workshop is realized, the working environment of the workshop is improved, and occupational diseases of workers are reduced.

SUMMERY OF THE UTILITY MODEL

In view of the above, the technical problems to be solved by the present invention are: the large connecting rod welding system can replace the original manual welding mode, improve the welding quality, improve the production efficiency and reduce the labor intensity; meanwhile, the air quality in the workshop is purified, the dustless workshop is realized, the working environment of the workshop is improved, and occupational diseases of workers are reduced.

In order to solve the technical problems, the technical scheme of the utility model is as follows:

a large connecting rod welding system, comprising:

the positioner is provided with a connecting rod to be welded;

the transverse sliding device is arranged on one side of the positioner, a vertical sliding device is fixedly arranged on the transverse sliding device, and a six-axis welding robot is fixedly arranged on the vertical sliding device;

and the smoke and dust purification device is arranged on one side of the six-axis welding robot and is used for absorbing and purifying the welding smoke and dust generated during welding of the six-axis welding robot.

Preferably, the positioner is a two-axis positioner and comprises

The positioner base is fixedly provided with a driving support and a driven support, and a lower bottom plate driven by a first power mechanism is rotatably arranged between the driving support and the driven support;

the lower bottom plate is rotatably provided with an upper bottom plate driven by a second power mechanism, and two end parts of the upper bottom plate are respectively provided with connecting rod fixing parts which can adjust the distance between the two end parts.

Preferably, the first power mechanism comprises a first motor fixedly mounted inside the driving support, a first speed reducer in driving connection with the first motor, and a first slewing bearing engaged with the first speed reducer through a first gear, and the first slewing bearing drives the lower base plate to rotate around the axis of the first slewing bearing.

Preferably, the second power mechanism comprises a second speed reducer fixedly connected with the lower base plate, a second motor providing power input for the second speed reducer, and a second slewing bearing engaged with the second speed reducer through a second gear, and the second slewing bearing drives the upper base plate to rotate around the axis of the second slewing bearing.

Preferably, the connecting rod fixing piece is a pneumatic chuck, and the bottom of the pneumatic chuck is in sliding fit with a fixing piece sliding groove formed in the upper base plate.

Preferably, the transverse sliding device comprises a sliding rail base, a first sliding plate is slidably mounted on the sliding rail base, a third motor is fixedly mounted on the first sliding plate, and an action end of the third motor is meshed with the first rack through a third gear to drive the first sliding plate to reciprocate along the length direction of the sliding rail base.

Preferably, the vertical sliding device comprises a vertical plate fixedly connected with the first sliding plate, a second sliding plate is slidably mounted on the vertical plate, a fourth motor is fixedly mounted on the second sliding plate, and an action end of the fourth motor is meshed with the second rack through a fourth gear to drive the second sliding plate to move in a reciprocating manner along the height direction of the vertical plate.

Preferably, the second sliding plate is fixedly provided with a robot support, and the robot support is fixedly provided with the six-axis welding robot.

Preferably, the smoke and dust purification device comprises a support fixedly arranged on the outer side of the six-axis welding robot and a smoke collecting hood in sliding connection with the top of the support, and an inner cavity of the smoke collecting hood is connected with the smoke and dust purifier through a smoke collecting pipe.

Preferably, a plurality of rollers are fixedly mounted on two sides of the fume collecting hood, and the rollers are in sliding fit with guide grooves formed in the tops of the supports;

one side of the top of the support is fixedly provided with a sliding door opening machine, and the driving end of the sliding door opening machine drives the smoke collecting hood to reciprocate along the guide groove through a plurality of rollers.

After the technical scheme is adopted, the utility model has the beneficial effects that:

because the positioner is arranged, the positioner can play a role in bearing and adjusting the angle of the connecting rod so as to obtain an ideal welding angle; the welding robot has the advantages that the transverse sliding device is arranged on one side of the positioner, the vertical sliding device is fixedly arranged on the transverse sliding device, the six-axis welding robot is fixedly arranged on the vertical sliding device, and can move transversely and vertically under the combined action of the transverse sliding device and the vertical sliding device; be provided with smoke and dust purifier in one side of six welding robots, can absorb and purify the smoke and dust that six welding robots welding connecting rod in-process produced, improve the air quality in workshop.

According to the smoke and dust purifying device, the smoke and dust collecting hood is arranged in a sliding mode, so that workers can conveniently place the large connecting rod on the positioner through a traveling crane before the large connecting rod is placed on the positioner, the smoke and dust collecting hood slides to the position above the large connecting rod after the large connecting rod is placed and fixed, generated smoke and dust are collected in the welding process of the large connecting rod by the six-axis welding robot, and the generated smoke and dust are transmitted to the smoke and dust purifier through the smoke and dust collecting pipe to be purified. The smoke collecting hood is arranged in a sliding mode, so that the using effect is improved, meanwhile, the cleanness degree of air in a workshop is guaranteed, and occupational diseases are reduced.

In conclusion, the welding system for the large connecting rod disclosed by the utility model can replace the original manual welding mode, improve the welding quality, improve the production efficiency and reduce the labor intensity; meanwhile, the air quality in the workshop is purified, the dustless workshop is realized, the working environment of workers is improved, and occupational diseases of the workers are reduced.

Drawings

The utility model is further illustrated with reference to the following figures and examples.

FIG. 1 is a schematic structural diagram of an embodiment of the present invention;

FIG. 2 is a schematic structural diagram of the position changing machine of FIG. 1;

FIG. 3 is an enlarged view of portion A of FIG. 2;

FIG. 4 is an enlarged view of portion B of FIG. 2;

FIG. 5 is an enlarged view of portion C of FIG. 1;

FIG. 6 is a schematic structural view of the lateral sliding device, the vertical sliding device and the six-axis welding robot in FIG. 1;

FIG. 7 is a cross-sectional view taken along line D-D of FIG. 6;

FIG. 8 is a side view of FIG. 6;

FIG. 9 is a cross-sectional view E-E of FIG. 8;

FIG. 10 is an enlarged view of portion F of FIG. 9;

FIG. 11 is a schematic view showing the construction of the soot cleaning device of FIG. 1;

in the figure:

1. a position changing machine; 11. a positioner base; 12. an active support; 13. a driven support; 14. a first power mechanism; 141. a first motor; 142. a first decelerator; 143. a first gear; 144. a first slewing bearing; 15. a lower base plate; 16. a second power mechanism; 161. a second decelerator; 162. a second motor; 163. a second gear; 164. a second slewing bearing; 17. an upper base plate; 171. a fixed member chute; 18. a connecting rod fixing member;

2. a connecting rod;

3. a lateral sliding device; 31. a slide rail base; 32. a first slide plate; 33. a third motor; 34. a third gear; 35. a first rack; 36. a slide rail; 37. a slider;

4. a vertical sliding device; 41. a vertical plate; 42. a second slide plate; 43. a fourth motor; 44. a fourth gear; 45. a second rack;

5. a six-axis welding robot; 51. a robot support;

6. a smoke dust purification device; 61. a support; 62. a smoke collecting hood; 63. a smoke collecting pipe; 64. a smoke purifier; 65. a roller; 66. a guide groove; 67. door operator of translation door.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model.

As shown in fig. 1, the present invention comprises a positioner 1, and a connecting rod 2 to be welded is carried on the positioner 1. The positioner 1 can play a role in bearing and adjusting the angle of the connecting rod 2 so as to obtain an ideal welding angle.

The transverse sliding device 3 is arranged on one side of the positioner 1, the vertical sliding device 4 is fixedly arranged on the transverse sliding device 3, and the six-axis welding robot 5 is fixedly arranged on the vertical sliding device 4.

And the smoke purification device 6 is arranged on one side of the six-axis welding robot 5 and is used for absorbing and purifying the welding smoke generated during welding of the six-axis welding robot 5.

As shown in fig. 1 to 5, in the present invention, a positioner 1 is a two-axis positioner, including:

the positioner comprises a positioner base 11, wherein a driving support 12 and a driven support 13 are fixedly arranged on the positioner base 11, and a lower bottom plate 15 driven by a first power mechanism 14 is rotatably arranged between the driving support 12 and the driven support 13.

An upper base plate 17 driven by a second power mechanism 16 is rotatably mounted on the lower base plate 15, and link fixing members 18 capable of adjusting the distance between each other are respectively arranged on the two end portions of the upper base plate 17.

The first power mechanism 14 includes a first motor 141 fixedly mounted inside the driving support 12, a first speed reducer 142 drivingly connected to the first motor 141, and a first pivoting support 144 engaged with the first speed reducer 142 through a first gear 143, wherein the first pivoting support 144 drives the lower base plate 15 to rotate around an axis of the first pivoting support 144, and preferably, a rotation angle of the lower base plate 15 is 0 to 90 °.

The second power mechanism 16 includes a second reducer 161 fixedly connected to the lower base plate 15, a second motor 162 providing power input for the second reducer 161, and a second slewing bearing 164 engaged with the second reducer 161 through a second gear 163, wherein the second slewing bearing 164 drives the upper base plate 17 to rotate around an axis of the second slewing bearing 164, and preferably, a rotation angle of the upper base plate 17 is 0 to 360 °.

The link fixing member 18 is a pneumatic chuck having a bottom portion slidably fitted to a fixing member sliding groove 171 provided in the upper base plate 17. Under mounting spout 171's sliding fit, air chuck's base can drive air chuck relative motion, and the adjustment is located the interval each other of connecting rod mounting 18 on both ends, satisfies the welding needs of the connecting rod 2 of different length, has improved welding range, adjusts after accomplishing, fixes through the bolt, and air chuck and the connecting hole cooperation at connecting rod 2 both ends are fixed connecting rod 2.

After the pneumatic chuck fixes the connecting rod 2, the connecting rod 2 is driven to a proper position under the combined action of the first power mechanism 14 and the second power mechanism 16, the original operation mode that the connecting rod 2 is moved manually is changed, and the labor intensity is reduced.

As shown in fig. 1, 6 to 10, the lateral sliding device 3 includes a slide rail base 31, a first sliding plate 32 is slidably mounted on the slide rail base 31, a third motor 33 is fixedly mounted on the first sliding plate 32, and an operating end of the third motor 33 is engaged with a first rack 35 through a third gear 34 to drive the first sliding plate 32 to reciprocate along a length direction of the slide rail base 31.

The bottom fixed mounting of first slide 32 has slider 37, and fixed mounting has slide rail 36 on the slide rail base 31, and sliding fit between slide rail 36 and the slider 37 satisfies first slide 32 along the reciprocating sliding's of slide rail base 31 demand.

The vertical sliding device 4 comprises a vertical plate 41 fixedly connected with the first sliding plate 32, a second sliding plate 42 is slidably mounted on the vertical plate 41, a fourth motor 43 is fixedly mounted on the second sliding plate 42, and an action end of the fourth motor 43 is meshed with a second rack 45 through a fourth gear 44 to drive the second sliding plate 42 to reciprocate along the height direction of the vertical plate 41.

A robot support 51 is fixedly mounted on the second sliding plate 42, and a six-axis welding robot 5 is fixedly mounted on the robot support 51.

The arrangement of the first sliding plate 32 can drive the vertical sliding device 4 and the six-axis welding robot 5 to transversely move together, so that the requirement of the six-axis welding robot 5 on transversely welding the connecting rod 2 is met; simultaneously, the setting of second slide 42 can drive the vertical removal of six welding robot 5, satisfies the vertical welding requirement to connecting rod 2 of six welding robot 5. Under the combined action of lateral sliding device 3 and vertical sliding device 4, six welding robot 5 can carry out all-round welding to connecting rod 2, replace original manual mode of operation that carries out the welding that adopts, labour saving and time saving, welding quality is stable, and the welding seam is pleasing to the eye.

As shown in fig. 1 and 11, the smoke purifying device 6 includes a support 61 fixed outside the six-axis welding robot 5, and a smoke collecting hood 62 slidably connected to the top of the support 61, and an inner cavity of the smoke collecting hood 62 is connected to a smoke purifier 64 through a smoke collecting pipe 63.

The both sides fixed mounting of collection petticoat pipe 62 has a plurality of gyro wheels 65, a plurality of gyro wheels 65 and the guide way 66 sliding fit who sets up at the support 61 top, and is preferred, and collection petticoat pipe 62's both sides fixed mounting respectively has two gyro wheels 65, satisfies collection petticoat pipe 62's steady slip demand.

One side of the top of the bracket 61 is fixedly provided with a sliding door opening machine 67, the driving end of the sliding door opening machine 67 drives the smoke collecting hood 62 to reciprocate along the guide groove 66 through a plurality of rollers 65, for those skilled in the art, the sliding door opening machine 67 is adopted to displace the smoke collecting hood 62, which is a known technology, and the specific connection relationship thereof is not described herein again.

The collection petticoat pipe 62 adopts the setting of sliding, and the staff of being convenient for places big connecting rod 2 before on machine 1 through the driving, avoids big connecting rod 2, places after fixed, and collection petticoat pipe 62 slides to big connecting rod 2's top, carries out the welded in-process at six welding robot 5 to big connecting rod 2, collects the smoke and dust of production to purify in transmitting to smoke and dust clarifier 64 through collection tobacco pipe 63. The smoke collecting hood 62 is arranged in a sliding mode, so that the using effect is improved, meanwhile, the cleanness degree of air in a workshop is guaranteed, and occupational diseases are reduced.

When the device is used, the smoke collecting cover 62 moves to one side far away from the positioner 1, the travelling crane is partially fixed by electric welding, for example, the riveted connecting rod 2 is placed on the connecting rod fixing piece 18, specifically, the connecting rod 2 is tightly supported and fixed by the pneumatic chuck, and after the tight support and fixation, the smoke collecting cover 62 moves to one side near the positioner 1 and is positioned above the connecting rod 2 to stop moving.

The six-axis welding robot 5 welds the connecting rod 2, and in the welding process, the lower bottom plate 15 is driven by the first power mechanism 14, the upper bottom plate 17 is driven by the second power mechanism 16 to jointly act, so that the position of the connecting rod 2 is adjusted, and the welding requirement of the six-axis welding robot 5 on the connecting rod 2 is met; aiming at different welding positions, the first sliding plate 32 drives the vertical sliding device 4 and the six-axis welding robot 5 to move transversely, and the vertical sliding device 4 drives the six-axis welding robot 5 to move vertically so as to carry out movable welding, so that the requirement of omnibearing welding is met; the smoke generated by welding is collected by the smoke collecting hood 62 and then purified by the smoke purifier 64, so that the cleanness degree of the air in the workshop is ensured.

In conclusion, the welding machine can replace the original mode of manually welding, improve the welding quality, improve the production efficiency and reduce the labor intensity; meanwhile, the air quality in the workshop is purified, the dustless workshop is realized, the working environment of the workshop is improved, and occupational diseases of workers are reduced.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.

Claims (10)

1. A large connecting rod welding system, comprising:

the positioner is provided with a connecting rod to be welded;

the transverse sliding device is arranged on one side of the positioner, a vertical sliding device is fixedly arranged on the transverse sliding device, and a six-axis welding robot is fixedly arranged on the vertical sliding device;

and the smoke and dust purification device is arranged on one side of the six-axis welding robot and is used for absorbing and purifying the welding smoke and dust generated during welding of the six-axis welding robot.

2. The large link welding system of claim 1 wherein the positioner is a two axis positioner comprising

The positioner base is fixedly provided with a driving support and a driven support, and a lower bottom plate driven by a first power mechanism is rotatably arranged between the driving support and the driven support;

the lower bottom plate is rotatably provided with an upper bottom plate driven by a second power mechanism, and two end parts of the upper bottom plate are respectively provided with connecting rod fixing parts which can adjust the distance between the two end parts.

3. The large connecting rod welding system according to claim 2, wherein the first power mechanism comprises a first motor fixedly installed inside the driving support, a first speed reducer in driving connection with the first motor, and a first slewing bearing engaged with the first speed reducer through a first gear, and the first slewing bearing drives the lower base plate to rotate around an axis of the first slewing bearing.

4. The large connecting rod welding system according to claim 2, wherein the second power mechanism comprises a second speed reducer fixedly connected with the lower base plate, a second motor providing power input for the second speed reducer, and a second pivoting support engaged with the second speed reducer through a second gear, and the second pivoting support drives the upper base plate to rotate around an axis of the second pivoting support.

5. The large link welding system of claim 2, wherein the link securing member is a pneumatic chuck having a bottom portion slidably engaged with a securing member slot formed in the upper base plate.

6. The large connecting rod welding system according to claim 1, wherein the transverse sliding device comprises a sliding rail base, a first sliding plate is slidably mounted on the sliding rail base, a third motor is fixedly mounted on the first sliding plate, and an actuating end of the third motor is engaged with the first rack through a third gear to drive the first sliding plate to reciprocate along the length direction of the sliding rail base.

7. The large connecting rod welding system according to claim 6, wherein the vertical sliding device comprises a vertical plate fixedly connected with the first sliding plate, a second sliding plate is slidably mounted on the vertical plate, a fourth motor is fixedly mounted on the second sliding plate, and an action end of the fourth motor is meshed with the second rack through a fourth gear to drive the second sliding plate to reciprocate along the height direction of the vertical plate.

8. The large link welding system of claim 7, wherein a robot mount is fixedly mounted to the second sled, and wherein the six-axis welding robot is fixedly mounted to the robot mount.

9. The large connecting rod welding system according to claim 1, wherein the smoke purification device comprises a support fixedly arranged on the outer side of the six-axis welding robot, a smoke collection hood slidably connected with the top of the support, and an inner cavity of the smoke collection hood is connected with the smoke purifier through a smoke collection pipe.

10. The large connecting rod welding system according to claim 9, wherein a plurality of rollers are fixedly mounted on two sides of the fume collecting hood, and are in sliding fit with guide grooves formed in the tops of the brackets;

one side of the top of the support is fixedly provided with a sliding door opening machine, and the driving end of the sliding door opening machine drives the smoke collecting hood to reciprocate along the guide groove through a plurality of rollers.

Images