CN217167276U

CN217167276U - Lifting type turnover welding positioner

Info

Publication number: CN217167276U
Application number: CN202123424962.4U
Authority: CN
Inventors: 李若孔; 刘怀军
Original assignee: Ningbo Baihua Cnc Machinery Co ltd
Current assignee: Ningbo Baihua Cnc Machinery Co ltd
Priority date: 2021-12-28
Filing date: 2021-12-28
Publication date: 2022-08-12
Anticipated expiration: 2031-12-28

Abstract

The utility model belongs to the technical field of the welding equipment technique and specifically relates to a lifting type upset welding positioner is related to, which comprises a frame, three-jaw chuck and upset subassembly, three-jaw chuck is used for the centre gripping work piece, three-jaw chuck rotates along the axis vertically direction with three-jaw chuck and connects in the frame, the upset subassembly is including shifting the piece, drive gear and upset driving source, the piece that shifts is fixed in one side of three-jaw chuck, the piece that shifts has an arcwall face near one side of drive gear, the axis of arcwall face is coaxial with three-jaw chuck's rotation axis, be equipped with the meshing tooth that evenly sets up along arcwall face circumference on the arcwall face, meshing tooth and drive gear intermeshing, the upset driving source is fixed in the frame, the output shaft and the driving tooth fixed connection of upset driving source. This application has the contained angle through upset subassembly adjustment pipeline and horizontal direction, does not need the effect that the welder gesture can satisfy the welding requirement of manual regulation.

Description

Lifting type turnover welding positioner

Technical Field

The application relates to the technical field of welding equipment, in particular to a lifting type turnover welding positioner.

Background

When some drainage pipelines are connected, flanges are welded at two ends of the pipelines, and the flanges are fixedly connected through bolts. In the existing automatic pipeline welding technology, a workpiece is driven to rotate after being clamped by a welding positioner, so that the position of a welding seam of the workpiece is adjusted, and a welding manipulator is convenient to complete welding.

The existing welding positioner can only drive a workpiece to rotate anticlockwise or clockwise due to structural limitation, the circumferential position of the workpiece is adjusted, and a circumferential welding seam is welded, but for welding seams at other angles of the workpiece, the posture of a welding gun can only be manually adjusted to meet the welding requirement of the workpiece, and an improved space is provided.

SUMMERY OF THE UTILITY MODEL

In order to avoid the need of manually adjusting the posture of a welding gun when a welding manipulator welds a workpiece, the welding manipulator can automatically adjust the angle of the workpiece in the horizontal direction so as to meet the welding requirement of the workpiece, and the application provides the lifting type turnover welding positioner.

The application provides a lifting type turnover welding positioner adopts following technical scheme:

the utility model provides an over-and-under type upset positioner, includes frame, three-jaw chuck and upset subassembly, three-jaw chuck is used for the centre gripping work piece, three-jaw chuck along with the axis vertically direction rotation of three-jaw chuck connect in the frame, the upset subassembly includes shifting block, drive gear and upset driving source, the shifting block is fixed in one side of three-jaw chuck, the shifting block is close to one side of drive gear has an arcwall face, the axis of arcwall face with the rotation axis of three-jaw chuck is coaxial, be equipped with the edge on the arcwall face the meshing tooth that arcwall face circumference evenly set up, the meshing tooth with drive gear intermeshing, the upset driving source is fixed in the frame, the output shaft of upset driving source with drive gear fixed connection.

By adopting the technical scheme, when the transmission gear is driven to rotate by the overturning assembly, the shifting block is driven to rotate around the rotating axis of the shifting block so as to adjust the included angle between the pipeline to be welded and the horizontal direction, the posture of a welding gun on the manipulator does not need to be manually adjusted, and the welding is convenient.

Optionally, be equipped with the link in the frame, three claw chuck along with the axis vertically direction rotation of three claw chuck connect in on the link, the link along vertical direction slide connect in the frame, be provided with in the frame and be used for the drive the lifting unit that the link goes up and down.

Through adopting above-mentioned technical scheme, the welded position of the adjustment pipeline of being convenient for rotates in order to drive the pipeline when three-jaw chuck rotates, through setting up lifting unit to in the height of removing the pipeline to the difference, and then reduce the distance that the manipulator moved in vertical direction, improve welding efficiency.

Optionally, lifting unit includes lift, internal thread sleeve and lift driving source, the link orientation frame one side is provided with the backup pad, internal thread sleeve fixed connection in the backup pad, the lift has lifting screw, lifting screw with internal thread sleeve threaded connection, the output of lift driving source with the input transmission of lift is connected.

Through adopting above-mentioned technical scheme, lift driving source drive lift rotates for internal thread sleeve and lifting screw rotate with synchronous, and then the drive link goes up and down.

Optionally, one side of the three-jaw chuck close to the connecting frame is provided with an installation box, the three-jaw chuck is connected to the installation box in a circumferential rotation manner, two opposite side walls of the installation box are provided with rotating shafts, the connecting frame is provided with two connecting blocks, and the rotating shafts penetrate through the connecting blocks and are connected with the connecting blocks in a rotating manner.

Through adopting above-mentioned technical scheme, rotate through axis of rotation and connecting block and be connected for the install bin can rotate and connect on the link, rotates through driving the install bin and can drive the synchronous rotation of three-jaw chuck.

Optionally, the install bin is close to one side of three-jaw chuck is fixed with the support ring, three-jaw chuck is close to one side of install bin is fixed with the swivel becket, the swivel becket cover is located the outside of support ring and with the support ring rotates to be connected, the outside cover of support ring is equipped with the locating part, be equipped with first spacing groove on the lateral wall of support ring, be equipped with the second spacing groove on the inside wall of swivel becket, the locating part is located first spacing groove with in the spacing space that the spacing groove of second formed.

By adopting the technical scheme, when the supporting ring is arranged, the rotating ring is sleeved on the supporting ring, the rotating ring and the supporting ring can rotate relatively, the limiting part is arranged, so that relative sliding is not easy to occur when the rotating ring and the supporting ring rotate relatively, and the rotation stability of the three-jaw chuck is improved.

Optionally, both sides of the connecting frame are provided with sliding blocks, a sliding rail is arranged on the rack, the sliding blocks are provided with sliding grooves, and the sliding grooves are used for the sliding rails to be inserted and slide.

Through adopting above-mentioned technical scheme, realized connecting the slip and slided and connect in the frame for the install bin can slide along the direction of slide rail, carries out position control along the slip direction of slip rail with the pipeline, and the manipulator of being convenient for carries out the welding machine from different angles.

Optionally, be equipped with in the install bin and be used for driving about three-jaw chuck pivoted drive assembly, drive assembly includes rotation drive source and reduction gear, rotation drive source's output shaft with the input shaft transmission of reduction gear is connected, the output shaft of reduction gear with the swivel becket transmission is connected.

Through adopting above-mentioned technical scheme, the reduction gear is adjusted the rotational speed of rotary drive source output shaft output, adjusts to and drives the three-jaw chuck after the suitable rotational speed and rotate with suitable slew velocity, conveniently adjusts the pipeline to different angles.

Optionally, a protective cover is further arranged on the connecting frame and fixedly connected with the connecting frame, and the protective cover is arranged on the connecting block and far away from one side of the mounting box.

Through adopting above-mentioned technical scheme, the setting up of protection casing has reduced the probability that the connecting block received the foreign object collision, has improved the security of connecting block in the course of the work.

Optionally, one of the protection casing is keeping away from the outside of connecting block is equipped with the calibrated scale, angle scale mark has on the calibrated scale, the through-hole has still been seted up on the protection casing, is close to be equipped with fixedly connected with scale pointer on the rotating shaft tip of calibrated scale, the scale pointer passes instruct behind the through-hole scale on the calibrated scale.

Through adopting above-mentioned technical scheme, through observing the scale that corresponds on pointer and the calibrated scale, and then reacing the inclination between pipeline and the horizontal plane to can in time stop when adjusting to suitable angle.

Optionally, a fixing plate is arranged on the connecting frame, the fixing plate corresponds to the two sliding blocks one to one, and the fixing plate is fixedly connected to one side, back to the sliding rail, of the sliding block.

Through above-mentioned technical scheme, the link is through being fixed in on the fixed plate, and fixed plate and slider fixed connection compare in link and slider and carry out fixed connection, dismantle when being convenient for the slider overhauls.

In summary, the present application includes at least one of the following beneficial technical effects:

1. when the transmission gear is driven to rotate by the overturning assembly, the shifting block is driven to synchronously rotate so as to drive the workpiece on the three-jaw chuck to rotate along the vertical direction, the posture of the manipulator does not need to be adjusted to meet the welding requirement of the workpiece in the inclined direction, and the welding is convenient;

2. the supporting ring is arranged, so that the rotating ring can rotate relative to the supporting ring when sleeved on the supporting ring, and the limiting part is arranged, so that the rotating ring and the supporting ring are not easy to slide away relative to each other when rotating relative to each other, and the rotation stability of the three-jaw chuck is improved;

3. through observing the corresponding scale on pointer and the calibrated scale, and then reacing the inclination between pipeline and the horizontal plane to can in time stop when adjusting to suitable angle.

Drawings

FIG. 1 is a schematic view of the overall structure of a lifting type turnover welding positioner.

FIG. 2 is a schematic top view of a part of the structure of an elevating type turnover welding positioner.

FIG. 3 is a sectional view of the elevation type turnover welding positioner in the application, which is cut along the A-A direction.

FIG. 4 is a partial schematic structural view of a lift type turnover welding positioner.

Fig. 5 is a schematic view of the overall structure of the turnover assembly, the mounting box, the three-jaw chuck and the connecting joint in the application.

Fig. 6 is a schematic structural view of a rear side portion of a welding clamping machine according to the present application.

Fig. 7 is an exploded view of the mounting box and rack of the present application.

Fig. 8 is an enlarged view at a in fig. 7.

Fig. 9 is a schematic view of the overall structure of the protective cover, the connecting frame, the mounting box and the three-jaw chuck.

Description of reference numerals: 1. a frame; 11. a slide rail; 2. a three-jaw chuck; 21. a rotating ring; 210. a transmission gear; 211. a second limit groove; 3. a turnover assembly; 31. a bit-shifting block; 310. an arc-shaped surface; 311. meshing teeth; 32. a transmission gear; 33. a turnover driving source; 4. installing a box; 41. a support ring; 411. a first limit groove; 42. a limiting member; 43. a drive assembly; 431. a rotation drive source; 432. a speed reducer; 433. a drive gear; 44. a rotating shaft; 441. a scale pointer; 5. a connecting frame; 51. a base plate; 511. a support plate; 512. perforating holes; 52. a side plate; 53. connecting blocks; 531. a bearing groove; 54. a rotating bearing; 55. a slider; 551. a chute; 56. a fixing plate; 561. a protection plate; 6. a lifting assembly; 61. an elevator; 611. lifting a screw rod; 62. an internally threaded sleeve; 621. a butting ring; 63. a lifting drive source; 7. a protective cover; 71. a dial scale; 72. and a through hole.

Detailed Description

The present application is described in further detail below with reference to figures 1-9. In the present embodiment, the direction indicated by the x-axis in the coordinate system is the left direction, the direction opposite to the x-axis is the right direction, the direction indicated by the y-axis is the front direction, the direction opposite to the y-axis is the rear direction, the direction indicated by the z-axis is the upper direction, and the direction opposite to the z-axis is the lower direction.

The embodiment of the application discloses a lifting type turnover welding positioner. Referring to fig. 1, the lifting type turnover welding positioner comprises a frame 1, a three-jaw chuck 2 and a turnover assembly 3. Three-jaw chuck 2 rotates around self axis vertically direction and connects in frame 1, and upset subassembly 3 is installed in frame 1, and upset subassembly 3 is used for ordering about three-jaw chuck 2 and rotates to adjust three-jaw chuck 2's axis and horizontal direction's contained angle, and then adjust the pipe fitting of 2 centre grippings of three-jaw chuck and horizontal direction's contained angle, the convenience is welded the welding seam of pipe fitting.

Referring to fig. 2 and 3, a mounting box 4 is disposed at a rear side of the three-jaw chuck 2, the three-jaw chuck 2 may be rotatably connected to the mounting box 4 around an axis of the three-jaw chuck 2, and the three-jaw chuck 2 may also be fixedly connected to the mounting box 4, in this embodiment, the three-jaw chuck 2 and the mounting box 4 are rotatably connected around the axis of the three-jaw chuck 2. Specifically, the rotating ring 21 is fixed on the rear side of the three-jaw chuck 2, the supporting ring 41 is fixed on the front side of the installation box 4, the rotating ring 21 is sleeved on the outer side of the supporting ring 41, and the rotating ring 21 is rotatably connected with the supporting ring 41. The outer side wall of the support ring 41 is sleeved with a limiting part 42, the outer side wall of the support ring 41 is provided with a first limiting groove 411, the inner side wall of the rotating ring 21 is provided with a second limiting groove 211, the first limiting groove 411 and the second limiting groove 211 are matched to form a limiting space for the limiting part 42 to be embedded, the outer side wall of the limiting part 42 is abutted against the inner walls of the first limiting groove 411 and the second limiting groove 211, and therefore the support ring 41 and the rotating ring 21 are not prone to relative separation.

Referring to fig. 2 and 3, a driving assembly 43 for driving the three-jaw chuck 2 to rotate is disposed in the mounting box 4, and the driving assembly 43 includes a rotation driving source 431, a reducer 432, a gear 210, and a driving gear 433. The rotation driving source 431 is a motor in this embodiment, an output shaft of the motor is in transmission connection with an input shaft of the speed reducer 432, the driving gear 433 is in transmission connection with an output shaft of the speed reducer 432, the circumferential outer side wall of the rotation ring 21 is provided with transmission teeth 210, the transmission teeth 210 are uniformly arranged along the circumferential side of the rotation ring 21, and the transmission teeth 210 are meshed with the driving gear 433, so that the rotation driving source 431 can drive the three-jaw chuck 2 to rotate on the installation box 4 around the axis thereof when rotating.

Referring to fig. 4, the flipping unit 3 includes a shifting block 31, a transmission gear 32, and a flipping driving source 33. The shifting block 31 is fixedly connected to the right side wall of the three-jaw chuck 2, the shifting block 31 may be disposed in a disc shape or a semicircular disc shape, and in this embodiment, the shifting block 31 is described by taking a semicircular disc shape as an example. The shifting block 31 has an arc surface 310, and the arc surface 310 is integrally provided with engaging teeth 311 and engaging teeth 311 which are uniformly distributed on the arc surface 310. The rotation axis of the displacement block 31 and the rotation axis of the three-jaw chuck 2 are arranged perpendicular to each other. The turning driving source 33 is fixedly connected to the frame 1, in this embodiment, the turning driving source 33 is a motor, an output shaft of the motor is fixedly connected to the transmission gear 32, the meshing teeth 311 are meshed with the transmission gear 32, and the transmission gear 32 is driven to rotate to drive the shifting block 31 to rotate along a rotation axis of the shifting block 31, so as to turn the three-jaw chuck 2.

Referring to fig. 5, in order to enable the three-jaw chuck 2 to ascend and descend relative to the rack 1, the welding clamping positioner further comprises a connecting frame 5 and a lifting assembly 6, the connecting frame 5 is connected to the rack 1 in a sliding mode along the vertical direction, the lifting assembly 6 is used for driving the connecting frame 5 and the rack 1 to ascend and descend, the installation box 4 is connected to the rack 1 in a rotating mode, the rotating axis of the installation box 4 is perpendicular to the axis of the three-jaw chuck 2, and the corresponding overturning assembly 3 is installed on the connecting frame 5.

Referring to fig. 5, in detail, the connection frame 5 includes a bottom plate 51 and two side plates 52, the two side plates 52 are fixedly connected to left and right side walls of the bottom plate 51, and the bottom plate 51 and the side plates 52 are perpendicular to each other. The equal fixedly connected with connecting block 53 of upside of two curb plates 52 has seted up bearing groove 531 on the connecting block 53, and the rotation is connected with rolling bearing 54 in bearing groove 531. The rotating shafts 44 are fixedly connected to the left and right side walls of the installation box 4, the rotating shafts 44 are inserted into the bearing holes of the rotating bearings 54 in a one-to-one correspondence manner, in the embodiment, the rotating bearings 54 are deep groove ball bearings, and in other embodiments, the rotating bearings may be other types of bearings which have the same function.

Referring to fig. 6, the elevation assembly 6 includes an elevation 61, an internally threaded sleeve 62, and an elevation driving source 63. The bottom plate 51 is provided with the backup pad 511 towards the rear side extension, has seted up through-hole 512 on the backup pad 511, and through-hole 512 supplies the internal thread sleeve 62 to wear to establish, and the week side of internal thread sleeve 62 has the butt ring 621, butt ring 621 and backup pad 511 fixed connection. The lifting machine 61 is provided with a lifting screw 611, the internal thread sleeve 62 is in threaded connection with the lifting screw 611, the lower end of the lifting screw 611 is in transmission connection with the output end of the lifting machine 61, the lifting driving source 63 is fixedly connected to the frame 1, and the output end of the lifting driving source 63 is in transmission connection with the input end of the lifting machine 61. The internally threaded sleeve 62 is driven to move by rotating the lifting screw 611, so that the connecting frame 5 is vertically and upwardly adjusted to meet the pipeline welding requirements at different positions.

Referring to fig. 7 and 8, the side walls of the connecting frame 5 far away from the installation box 4 are both provided with a sliding block 55, the two side walls of the rack 1 near the installation box 4 are both provided with a sliding rail 11, the sliding block 55 is provided with a sliding groove 551 facing one side of the sliding rail 11, and the sliding groove 551 is used for the sliding rail 11 to insert and slide. The link 5 may be directly fixed to the slider 55 or indirectly fixed to the slider 55, and in this embodiment, the link 5 is indirectly fixed to the slider 55. All be provided with fixed plate 56 on the lateral wall that two curb plates 52 are close to install bin 4, fixed plate 56 respectively with the curb plate 52 fixed connection that corresponds, fixed plate 56 fixes with the front side threaded connection of slider 55, conveniently dismantles the maintenance to slider 55. All be equipped with protection plate 561 on the lateral wall about fixed plate 56, two protection plates 561 and fixed plate 56 fixed connection form the cover that establishes slider 55 cover and establish the space to reduce the probability that slider 55 receives the collision in-process of sliding.

Referring to fig. 9, the connecting frame 5 is further provided with a protective cover 7. Specifically, the number of the protective covers 7 is two, the two protective covers 7 are respectively and fixedly connected to the upper sides of the two side plates 52, and the protective covers 7 have a space for covering the connecting block 53, so that the probability of collision of foreign objects in the rotating process of the rotating shaft 44 is reduced.

Referring to fig. 5 and 9, a dial 71 is disposed on a sidewall of the left protective cover 7, a through hole 72 is disposed on the protective cover 7, the through hole 72 is concentrically disposed with a center of the dial 71, a scale indicating needle 441 is fixedly connected to one end of the left rotating shaft 44 facing the through hole 72, the scale indicating needle 441 is bent, one end of the scale indicating needle 441 is fixedly connected to an axis of the rotating shaft 44, and the other end of the scale indicating needle 441 is parallel to the sidewall of the dial 71 and indicates a scale of a corresponding angle. When the rotating shaft 44 rotates a certain angle, the scale pointer 441 points on the corresponding angle scale, so that the operator can observe the included angle between the current pipeline and the horizontal direction.

The implementation principle of the lifting type turnover welding positioner in the embodiment of the application is as follows: after the three-jaw chuck 2 clamps the pipeline, the transmission gear 32 drives the displacement block 31 to rotate, so that the angle between the installation box 4 and the horizontal direction of the pipeline is adjusted, and the inclination angle between the pipeline and the horizontal plane can be observed through the dial disc 71, so that the welding requirement of the workpiece is met. The height of the connecting frame 5 in the vertical direction is driven by driving the lifting screw 611 to rotate, so that the moving distance of the manipulator in the vertical direction is reduced, and the welding work efficiency is improved.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a over-and-under type upset positioner which characterized in that: including frame (1), three-jaw chuck (2) and upset subassembly (3), three-jaw chuck (2) are used for centre gripping work piece, three-jaw chuck (2) along with the axis vertically direction rotation of three-jaw chuck (2) connect in on frame (1), upset subassembly (3) are including shifting piece (31), drive gear (32) and upset driving source (33), shifting piece (31) are fixed in one side of three-jaw chuck (2), shifting piece (31) are close to one side of drive gear (32) has an arcwall face (310), the axis of arcwall face (310) with axis of rotation (44) line of three-jaw chuck (2) is coaxial, be equipped with on arcwall face (310) along meshing tooth (311) that arcwall face (310) circumference evenly set up, meshing tooth (311) with drive gear (32) intermeshing, the overturning driving source (33) is fixed on the rack (1), and an output shaft of the overturning driving source (33) is fixedly connected with the transmission gear (32).

2. The lifting type turnover welding positioner as claimed in claim 1, wherein: be equipped with link (5) on frame (1), three-jaw chuck (2) along with the axis vertically direction of three-jaw chuck (2) rotate connect in on link (5), link (5) along vertical direction slide connect in on frame (1), be provided with on frame (1) and be used for the drive lift assembly (6) that link (5) go up and down.

3. The lifting type turnover welding positioner according to claim 2, wherein: lifting unit (6) include lift (61), internal thread sleeve (62) and lift driving source (63), link (5) orientation frame (1) one side is provided with backup pad (511), internal thread sleeve (62) fixed connection in on backup pad (511), lift (61) have lifting screw (611), lifting screw (611) with internal thread sleeve (62) threaded connection, the output of lift driving source (63) with the input transmission of lift (61) is connected.

4. The lifting type turnover welding positioner as claimed in claim 3, wherein: three-jaw chuck (2) are close to one side of link (5) is provided with install bin (4), three-jaw chuck (2) are followed the circumferential direction of three-jaw chuck (2) is connected on install bin (4), all be equipped with axis of rotation (44) on the double-phase relative lateral wall of install bin (4), be provided with two connecting blocks (53) on link (5), axis of rotation (44) are worn to locate on connecting block (53) and with connecting block (53) rotate and are connected.

5. The lifting type turnover welding positioner as claimed in claim 4, wherein: install bin (4) are close to one side of three-jaw chuck (2) is fixed with support ring (41), three-jaw chuck (2) are close to one side of install bin (4) is fixed with swivel becket (21), swivel becket (21) cover is located the outside of support ring (41) and with support ring (41) rotate to be connected, the outside cover of support ring (41) is equipped with locating part (42), be equipped with first spacing groove (411) on the lateral wall of support ring (41), be equipped with second spacing groove (211) on the inside wall of swivel becket (21), locating part (42) locate first spacing groove (411) with in the spacing space that second spacing groove (211) formed.

6. The lifting type turnover welding positioner as claimed in claim 3, wherein: the two sides of the connecting frame (5) are respectively provided with a sliding block (55), the rack (1) is provided with a sliding rail (11), the sliding block (55) is provided with a sliding groove (551), and the sliding groove (551) is used for the sliding rail (11) to insert and slide.

7. The lifting type turnover welding positioner as claimed in claim 5, wherein: be equipped with in install bin (4) and be used for the drive actuating the pivoted drive assembly (43) of three-jaw chuck (2), drive assembly (43) are including rotation drive source (431) and reduction gear (432), the output shaft of rotation drive source (431) with the input shaft transmission of reduction gear (432) is connected, the output shaft of reduction gear (432) with swivel becket (21) transmission is connected.

8. The lifting type turnover welding positioner as claimed in claim 4, wherein: still be equipped with protection casing (7) on link (5), protection casing (7) with link (5) fixed connection, protection casing (7) cover is located connecting block (53) are kept away from one side of install bin (4).

9. The lift type turnover welding positioner of claim 8, wherein: one in protection casing (7) are keeping away from the outside of connecting block (53) is equipped with calibrated scale (71), angle scale mark has on calibrated scale (71), through-hole (72) have still been seted up on protection casing (7), are close to be equipped with fixedly connected with scale pointer (441) on axis of rotation (44) tip of calibrated scale (71), scale pointer (441) pass instruct behind through-hole (72) scale on calibrated scale (71).

10. The lifting type turnover welding positioner as claimed in claim 6, wherein: and a fixing plate (56) is arranged on the connecting frame (5), the fixing plate (56) corresponds to the two sliding blocks (55) one by one, and the fixing plate (56) is fixedly connected to one side, back to the sliding rail (11), of each sliding block (55).