CN211708450U

CN211708450U - Automatic circular seam welding machine

Info

Publication number: CN211708450U
Application number: CN201922061575.5U
Authority: CN
Inventors: 李若孔; 班启杰
Original assignee: Ningbo Baihua Cnc Machinery Co ltd
Current assignee: Ningbo Baihua Cnc Machinery Co ltd
Priority date: 2019-11-26
Filing date: 2019-11-26
Publication date: 2020-10-20
Anticipated expiration: 2029-11-26

Abstract

The utility model discloses a circumferential weld automatic weld machine has related to spot welding equipment field, has solved the unsatisfactory problem of fixed effect of circumferential weld automatic weld machine to different diameter big or small pipelines. Its technical scheme main points are circumferential weld automatic welder includes the main part, main part and vertical installation the support post of main part, still include slewing bearing and locking Assembly, the locking Assembly set up in one side of support post, the locking Assembly includes spacing seat and the locking lever that slides along spacing seat length direction, a plurality of confessions have been seted up to circumference on the lateral wall of foreign steamer the locking lever male fixed orifices, the utility model discloses have the convenience and place the effect between welding bench and xarm with the pipeline.

Description

Automatic circular seam welding machine

Technical Field

The utility model relates to a welding equipment especially relates to an automatic circular seam welding machine.

Background

The automatic circular seam welder is one universal automatic welding apparatus capable of welding circular and circular seams. Can be used for high-quality welding of carbon steel, low alloy steel, stainless steel, aluminum and alloy thereof and other materials.

The existing automatic girth welding machine generally comprises a welding table and a supporting upright post, wherein the supporting upright post is provided with a cross arm which slides up and down along the supporting upright post, two pinch rollers positioned at the bottom of the cross arm and two idler wheels arranged on the welding table.

When the pipeline to be welded is placed on the welding table, the pipeline needs to be horizontally inserted between the welding table and the cross arm, and when the pipeline is inserted, the pipeline is easy to shake, so that the pipeline collides with the cross arm or the welding table, and the automatic welding machine for the circular seam is damaged.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a circumferential weld automatic welder has the convenience and places the pipeline effect between welding bench and xarm.

The above technical purpose of the present invention can be achieved by the following technical solutions:

the automatic circular seam welding machine comprises a main body, a support upright post, a slewing bearing and a locking assembly, wherein the support upright post is vertically provided with the main body; the inner wheel and the main body are fixed through a first locking bolt; the bottom of the supporting upright post is provided with a mounting plate which is matched with the outer wheel in a fitting manner, and the mounting plate and the outer wheel are fixed through a second locking bolt; the locking subassembly set up in one side of support post, the locking subassembly includes spacing seat and the locking lever that slides along spacing seat length direction, the locking slotted hole that supplies the locking lever to slide is seted up along its length direction to spacing seat, a plurality of confessions have been seted up to circumference on the lateral wall of foreign steamer locking lever male fixed orifices.

By adopting the technical scheme, when the pipeline is required to be placed on the main body, the pipeline is generally placed at the first roller by a crane, the top of the first roller is provided with a cross arm used for pressing the pipeline on the main body, and when the pipeline is required to be inserted between the first roller and the cross arm, the rotary bearing is arranged to enable the supporting upright post to rotate at the main body and move the cross arm arranged on the supporting upright post, so that the pipeline is put down along the top of the first roller, and the mounting difficulty of the pipeline between the welding table and the cross arm is reduced; the outer wheel is fixed by the locking assembly, so that the position of the cross arm is fixed, and the probability of rotation of the support stand column in the welding process is reduced.

The utility model is further arranged in that a first through hole for the first locking bolt to pass through is arranged on the inner wheel, a first threaded hole right opposite to the first through hole is arranged on the main body, and the first locking bolt passes through the first through hole and is in threaded connection with the first threaded hole; the first through hole is a counter bore, and when the first bolt is inserted into the first through hole, the bolt head of the first locking bolt is inserted into and sunk into the first through hole.

By adopting the technical scheme, the installation of the inner wheel on the main body is realized by the arrangement of the first through hole and the first threaded hole on the main body; the first through hole reduces the probability that the bolt head of the first locking bolt abuts against the mounting disc when the first locking bolt is installed at the first through hole for the counter bore, so that the probability that the first locking bolt influences the rotation of the mounting disc is reduced.

The utility model discloses further set up to, interior wheel with foreign steamer dislocation set, the top surface of foreign steamer is higher than the top surface of interior wheel, the bottom surface of foreign steamer is higher than the bottom surface of interior wheel, the foreign steamer with there is the clearance between the main part.

Through adopting above-mentioned technical scheme, the probability of wheel, foreign steamer and main part butt in the bottom surface of mounting disc has been reduced for the support post is more smooth and easy when rotatory.

The utility model is further arranged in that one side of the limiting seat is provided with a limiting groove, and one end of the limiting groove far away from the fixed hole is provided with a locking spring; when the sliding rod is clamped into the limiting groove, the locking rod is separated from the fixing hole.

By adopting the technical scheme, the arrangement of the locking spring enables the locking rod to be more stable when being inserted into the fixing hole, and the probability that the locking rod falls off from the fixing hole is reduced; the arrangement of the limiting groove facilitates the clamping of the sliding rod, so that the probability that the locking rod is inserted into the limiting groove when the supporting upright post is rotated is reduced.

The utility model is further arranged in that the top of the locking rod is provided with a second threaded hole, and the bottom end of the sliding rod is provided with a threaded head which is in threaded fit with the second threaded hole; after the locking rod is inserted into the locking groove hole, the sliding rod is in threaded connection with the second threaded hole to fix the sliding rod on the locking rod.

By adopting the technical scheme, after the locking rod is inserted into the locking slotted hole, the sliding rod is more convenient to mount on the locking rod through the matching of the sliding rod and the second threaded hole of the locking rod.

The utility model discloses further set up to, the main part has the first cylinder that slides along main part length direction and is fixed in the second cylinder in the main part on the welding bench, first cylinder with the drive is installed respectively to the second cylinder the rotatory first driving motor of first cylinder and drive the rotatory second driving motor of second cylinder.

By adopting the technical scheme, the arrangement of the plurality of driving motors increases the power of the automatic circular seam welding machine when the first roller and the second roller are driven, so that the first roller and the second roller can rotate more smoothly; when the duct is placed on the first and second rollers, the probability of the duct slipping on the first and second rollers is reduced.

The utility model discloses further set up to, still include welding bench, vertical install in the support post of main part, follow the xarm that the support post slided from top to bottom with set up in two pinch rollers of xarm bottom, the main part has the first cylinder that slides along main part length direction and the second cylinder that is fixed in the main part on the welding bench, the bottom of first cylinder is provided with the drive the first drive assembly that first cylinder level slided, be provided with the drive on the support post the second drive assembly that the xarm slided from top to bottom.

Through adopting above-mentioned technical scheme, the second cylinder is fixed in the main part, rotatory handle drive linear guide rotates, thereby the drive platform that slides along the length direction of main part slides, make the first cylinder on the platform that slides slide along the length direction of main part, the change to distance between first cylinder and the second cylinder has been realized, thereby the distance between diameter change first cylinder and the second cylinder according to the pipeline of equidimension not has been made things convenient for, second drive assembly drive xarm slides from top to bottom, the position of pipeline adjustment xarm according to different diameters is convenient for, make the fixing to the pipeline of equidimension not more convenient.

The utility model is further arranged in that the first driving component comprises a handle arranged at one side of the main body far from the second roller, a first linear guide rail arranged along the length direction of the main body, a first lead screw rotatably arranged at one side of the main body facing the handle, a first sliding platform arranged at the bottom of the first roller and the second roller, a first lead screw nut arranged at the bottom of the sliding platform and matched with the lead screw, and a first linear slider arranged at the sliding platform and matched with the first linear guide rail; the first lead screw is provided with reverse threads at one end far away from the handle.

Through adopting above-mentioned technical scheme, the second cylinder is fixed in the main part, rotatory handle drive linear guide rotates, thereby the drive platform that slides along the length direction of main part slides, make the first cylinder on the platform that slides slide along the length direction of main part, realized the change to distance between first cylinder and the second cylinder, thereby made things convenient for the diameter according to different size pipelines to change the distance between first cylinder and the second cylinder, increased the fixed effect to different diameter size pipelines.

The utility model discloses further set up to, second drive assembly including rotatory install in second lead screw in the support post second linear guide on the support post, install in the xarm orientation the second of support post one side slide the platform, install in the second lead screw nut of second slide the platform, install in the second slide the platform and with second linear guide complex second straight line slider.

Through adopting above-mentioned technical scheme, the setting of second drive assembly has realized sliding from top to bottom of xarm to it is more convenient when adjusting the height of xarm to make.

The utility model discloses further set up to, offer the confession on the xarm the mounting groove of second drive assembly installation, and the top and the bottom of mounting groove department all are provided with the dust cover.

Through adopting above-mentioned technical scheme, the impurity that has reduced the dust sets up the probability that enters into drive assembly at the lead screw both ends.

To sum up, the utility model discloses following beneficial effect has:

1. the automatic girth welding machine comprises a main body, a supporting upright post and a slewing bearing arranged at the bottom of the supporting upright post, wherein the supporting upright post is rotated at the main body through the slewing bearing, and a cross arm arranged on the supporting upright post is moved away, so that a pipeline is put down along the top of a first roller, and the installation difficulty of the pipeline between a welding table and the cross arm is reduced;

2. the arrangement of the locking spring enables the locking rod to be more stable when being inserted into the fixing hole, and the probability that the locking rod falls off from the fixing hole is reduced; the arrangement of the limiting groove facilitates the clamping of the sliding rod, thereby reducing the probability that the locking rod is inserted into the limiting groove when the supporting upright post is rotated

3. The second driving assembly is arranged to realize the up-and-down sliding of the cross arm, so that the height of the cross arm can be adjusted more conveniently.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic cross-sectional view of the main body at the first driving motor;

FIG. 3 is a schematic cross-sectional view of the main body;

FIG. 4 is a schematic cross-sectional view of the slewing bearing;

FIG. 5 is a schematic view of the structure of the main body at the slewing bearing;

FIG. 6 is an enlarged view taken at A in FIG. 5;

FIG. 7 is a schematic cross-sectional view of the position limiting seat;

fig. 8 is a schematic cross-sectional view of the second driving assembly.

In the figure: 1. a main body; 11. a welding table; 12. supporting the upright post; 121. mounting a disc; 122. mounting grooves; 13. a cross arm; 131. a dust cover; 14. a pinch roller; 15. a first drum; 151. a first sliding platform; 152. a first drive motor; 16. a second drum; 161. a second drive motor; 17. an opening; 18. a first threaded hole; 181. a first locking bolt; 2. a first drive assembly; 21. a handle; 22. a first lead screw; 23. a first linear guide rail; 24. a first lead screw nut; 25. a first linear slider; 3. reverse threads; 4. a slewing bearing; 41. an outer wheel; 411. a second locking bolt; 412. a fixing hole; 42. an inner wheel; 421. a first through hole; 43. a ball bearing; 5. a locking assembly; 51. a limiting seat; 511. locking the slotted hole; 512. a sliding groove; 513. a limiting groove; 52. a locking lever; 521. a second threaded hole; 53. a slide bar; 531. a screw head; 54. a locking spring; 6. a second drive assembly; 61. a second lead screw; 62. a second linear guide; 63. a second sliding platform; 64. a second lead screw nut; 65. a second linear slider; 66. an electric motor.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Referring to the attached drawing 1, the automatic girth welding machine is applied to the field of spot welding equipment and comprises a main body 1, wherein the main body 1 comprises a welding table 11, a supporting upright 12 vertically arranged on one side of the main body 1, a cross arm 13 horizontally arranged on the supporting upright 12 and sliding up and down along the supporting upright 12, and two pinch rollers 14 arranged at the bottom of the cross arm 13.

Referring to fig. 1 and 2, the main body 1 has a first roller 15 sliding along the length direction of the main body 1 and a second roller 16 fixed on the main body 1 on a welding table 11, and a first sliding platform 151 is arranged at the bottom of the first roller 15; the main body 1 is provided with a first driving assembly 152 inside thereof for driving the first roller 15 and the second roller 16 to horizontally slide.

Referring to fig. 1 and 2, the driving assembly 152 includes a handle 21 installed on one side of the main body 1 far from the second roller 16, a first lead screw 22 rotatably installed on one side of the handle 21 facing the main body 1, a first linear guide rail 23 horizontally and symmetrically arranged on an inner side wall of the main body 1, a first sliding platform 151, a first lead screw nut 24 installed on a bottom surface of the first sliding platform 151 and matched with the first lead screw 22, and a first linear slider 25 installed on the first sliding platform 151 and matched with the first linear guide rail 23; the bottom of the first roller 15 and the bottom of the second roller 16 are both provided with a first sliding platform 151.

Referring to fig. 3, the first lead screw 22 is provided with a reverse thread 3 at a side away from the handle 21, and when the handle 21 is rotated to drive the first lead screw 22 to rotate, the first roller 15 and the second roller 16 approach or move away from each other.

Referring to fig. 1 and 2, the first drum 15 is provided with a first driving motor 152 for driving the first drum 15 to rotate, the second drum 16 is provided with a second driving motor 161 for driving the second drum 16 to rotate, and when the duct is pressed against the first drum 15, the first driving motor 152 and the second driving motor 161 are arranged such that the first drum 15 and the second drum 16 rotate more smoothly.

With reference to fig. 1 and 4, the main body 1 further comprises, at the bottom of the support upright 12, a slewing bearing 4 and a locking assembly 5, the slewing bearing 4 comprising an outer wheel 41, an inner wheel 42 and balls 43 between the outer wheel 41 and the inner wheel 42; the bottom of the support column 12 is provided with a mounting plate 121 matched with the outer wheel 41, and the mounting plate 121 and the outer wheel 41 are fixed through a second locking bolt 411; the outer wheel 41 is provided with a plurality of fixing holes 412 circumferentially and uniformly spaced along the outer side wall thereof.

Referring to fig. 4, the inner wheel 42 and the outer wheel 41 are arranged in a staggered manner, the top surface of the outer wheel 41 is higher than the top surface of the inner wheel 42, and the bottom surface of the outer wheel 41 is higher than the bottom surface of the inner wheel 42, so that a gap exists between the outer wheel 41 and the main body 1, and the outer wheel 41 can rotate more smoothly.

Referring to fig. 4, a plurality of first threaded holes 18 are formed in the main body 1, and first locking bolts 181 are installed in the first threaded holes 18; first through holes 421 corresponding to the first threaded holes 18 are formed in the inner wheel 42, the first through holes 421 are counter bores, and when the first bolt is inserted into the first through holes 421, the bolt head of the first locking bolt 181 is inserted into the first through holes 421, so that the abutting probability of the first locking bolt 181 and the outer wheel 41 is reduced.

Referring to fig. 5 and 7, the locking assembly 5 is disposed on one side of the support column 12, and the locking assembly 5 includes a limiting seat 51 and a locking rod 52. The limiting seat 51 is fixed on the main body 1 by screws, the limiting seat 51 is provided with a locking groove 511 along the length direction for the locking rod 52 to slide, the top of the limiting seat 51 is provided with a sliding groove 512, and one side of the limiting seat 51 is provided with a limiting groove 513.

Referring to fig. 6 and 7, a sliding rod 53 adapted to the sliding groove 512 is installed at the top of the locking rod 52, a second threaded hole 521 is formed in the top of the locking rod 52, a threaded head 531 in threaded fit with the second threaded hole 521 is arranged at the bottom end of the sliding rod 53, and after the locking rod 52 is inserted into the locking slot 511, the sliding rod 53 is in threaded connection with the second threaded hole 521 to fix the sliding rod 53 at the top of the locking rod 52; the stopper groove 513 has a locking spring 54 at an end remote from the fixing hole 412.

Referring to fig. 6 and 7, when the end of the locking lever 52 is caught in the fixing hole 412, the locking spring 54 is provided to reduce the probability that the locking lever 52 falls off from the fixing hole 412; when the support column 12 needs to be rotated, the sliding rod 53 is clamped in the limiting groove 513, and the probability that the locking rod 52 is inserted into the fixing hole 412 is reduced.

Referring to fig. 1 and 3, the supporting column 12 is provided with a mounting groove 122 for mounting the second driving assembly 6 along the height direction thereof at a side facing the main body 1.

Referring to fig. 3 and 8, the second driving assembly 6 includes a second lead screw 61 rotatably mounted in the supporting column 12, a second linear guide rail 62 mounted on the supporting column 12, a second sliding platform 63 mounted on the cross bar, a second lead screw nut 64 mounted on the second sliding platform 63, a second linear slider 65 mounted on the second sliding platform 63 and engaged with the second linear guide rail 62, and a motor 66 disposed at the top of the supporting column 12 for driving the second lead screw 61 to rotate.

Referring to fig. 1 and 3, in order to reduce the probability of external dust entering the second driving assembly 2, the cross arm 13 is provided with a mounting groove 31 for mounting the second driving assembly 2. And dust covers 131 are provided at both the top and bottom of the installation groove 31.

The principle of the automatic circular seam welding machine is as follows:

1. when the pipeline needs to be placed between the sliding platform and the cross arm 13, the rotary support 4 enables the support upright post 12 to rotate at the main body 1, and the cross arm 13 arranged on the support upright post 12 is moved away, so that the pipeline is put down along the top of the first roller, and the installation difficulty of the pipeline between the welding table 11 and the cross arm 13 is reduced;

2. the rotating handle 21 drives the linear guide rail to rotate, and the first lead screw 22 realizes the distance between the first roller 15 and the second roller 16, so that the fixing effect on pipelines with different diameters is improved;

3. the arrangement of the slewing bearing 4 at the bottom of the support upright 12 realizes the offset of the cross bar, thereby facilitating the placement of the pipeline at the first roller;

4. the provision of the locking assembly 5 enables the post-rotation securing of the support post 12.

The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications to the present embodiment without inventive contribution as required after reading the present specification, but all of them are protected by patent laws within the scope of the claims of the present invention.

Claims

1. The automatic circular seam welding machine comprises a main body (1), a supporting upright post (12) vertically provided with the main body (1), a slewing bearing (4) and a locking assembly (5), wherein the slewing bearing (4) comprises an outer wheel (41), an inner wheel (42) and balls (43) between the outer wheel (41) and the inner wheel (42); the inner wheel (42) and the main body (1) are fixed through a first locking bolt (181); the bottom of the support column (12) is provided with a mounting disc (121) which is matched with the outer wheel (41), and the mounting disc (121) and the outer wheel (41) are fixed through a second locking bolt (411); locking subassembly (5) set up in one side of support post (12), locking subassembly (5) are including spacing seat (51) and locking lever (52) that slide along spacing seat (51) length direction, locking slotted hole (511) that supply locking lever (52) to slide are seted up along its length direction in spacing seat (51), a plurality of confessions have been seted up to circumference on the lateral wall of foreign steamer (41) locking lever (52) male fixed orifices (412).

2. The automatic circular seam welding machine according to claim 1, wherein a first through hole (421) for the first locking bolt (181) to pass through is formed in the inner wheel (42), a first threaded hole (18) opposite to the first through hole (421) is formed in the main body (1), and the first locking bolt (181) passes through the first through hole (421) and is in threaded connection with the first threaded hole (18); the first through hole (421) is a counter bore, and when the first bolt is inserted into the first through hole (421), a bolt head of the first locking bolt (181) is inserted into and sunk into the first through hole (421).

3. The automatic girth welding machine according to claim 2, characterized in that the inner wheel (42) and the outer wheel (41) are arranged in a staggered manner, the top surface of the outer wheel (41) is higher than the top surface of the inner wheel (42), the bottom surface of the outer wheel (41) is higher than the bottom surface of the inner wheel (42), and a gap exists between the outer wheel (41) and the main body (1).

4. The automatic circular seam welding machine according to claim 3, wherein a sliding rod (53) is mounted at the top of the locking rod (52), a limiting groove (513) is formed in one side of the limiting seat (51), and a locking spring (54) is arranged at one end, far away from the fixing hole (412), of the limiting groove (513); when the sliding rod (53) is clamped in the limiting groove (513), the locking rod (52) is separated from the fixing hole (412).

5. The automatic circular seam welding machine according to claim 4, characterized in that a second threaded hole (521) is formed in the top of the locking rod (52), and a threaded head (531) in threaded fit with the second threaded hole (521) is arranged at the bottom end of the sliding rod (53); after the locking rod (52) is inserted into the locking groove hole (511), the sliding rod (53) is in threaded connection with the second threaded hole (521) so that the sliding rod (53) is fixed on the locking rod (52).

6. The automatic girth welding machine according to claim 5, characterized in that the main body (1) is provided with a first roller (15) sliding along the length direction of the main body (1) and a second roller (16) fixed on the main body (1) on the welding table (11), and the first roller (15) and the second roller (16) are respectively provided with a first driving motor (152) for driving the first roller (15) to rotate and a second driving motor (161) for driving the second roller (16) to rotate.

7. The automatic girth welding machine according to claim 6, further comprising a welding table (11), a support column (12) vertically mounted on the main body (1), a cross arm (13) sliding up and down along the support column (12), and two pinch rollers (14) arranged at the bottom of the cross arm (13), wherein the main body (1) is provided with a first roller (15) sliding along the length direction of the main body (1) and a second roller (16) fixed on the main body (1) on the welding table (11), the bottom of the first roller (15) is provided with a first driving assembly (2) for driving the first roller (15) to horizontally slide, and the support column (12) is provided with a second driving assembly (6) for driving the cross arm (13) to vertically slide.

8. The automatic circular seam welding machine according to claim 7, wherein the first driving assembly (2) comprises a handle (21) arranged on one side of the main body (1) far away from the second roller (16), a first linear guide rail (23) arranged along the length direction of the main body (1), a first lead screw (22) rotatably arranged on one side of the handle (21) facing the main body (1), a first sliding platform (151) arranged at the bottoms of the first roller (15) and the second roller (16), a first lead screw nut (24) arranged at the bottom of the sliding platform and matched with the lead screw, and a first linear slide block (25) arranged at the sliding platform and matched with the first linear guide rail (23); the first lead screw (22) is provided with reverse threads (3) at one end far away from the handle (21).

9. The automatic girth welding machine according to claim 8, wherein the second driving assembly (6) comprises a second lead screw (61) rotatably mounted in the support column (12), a second linear guide rail (62) on the support column (12), a second sliding platform (63) mounted on one side of the cross arm (13) facing the support column (12), a second lead screw nut (64) mounted on the second sliding platform (63), and a second linear slider (65) mounted on the second sliding platform (63) and matched with the second linear guide rail (62).

10. The automatic circular seam welding machine according to claim 9, wherein the cross arm (13) is provided with a mounting groove (122) for mounting the second driving assembly (6), and dust covers (131) are arranged at the top and the bottom of the mounting groove (122).