CN219605945U - Damping device of integrated flange automatic welding equipment with central through hole - Google Patents
Damping device of integrated flange automatic welding equipment with central through hole Download PDFInfo
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- CN219605945U CN219605945U CN202320501378.4U CN202320501378U CN219605945U CN 219605945 U CN219605945 U CN 219605945U CN 202320501378 U CN202320501378 U CN 202320501378U CN 219605945 U CN219605945 U CN 219605945U
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Abstract
The utility model discloses a damping device of an integrated flange automatic welding device with a central through hole, wherein an inner ring of a slewing bearing is fixed on a turnover frame, and a welding chuck is connected to an outer ring of the slewing bearing; the main motor is arranged on one side of the turnover frame, a driving gear arranged on an output shaft of the main motor is meshed with external teeth on the outer ring of the slewing bearing, and a damping device is arranged on the other side of the turnover frame and comprises a bearing seat, a gear shaft and a constant moment device arranged between the bearing seat and the gear shaft, and the gear connected to the gear shaft is meshed with the external teeth on the outer ring of the slewing bearing. In the process of rotating the workpiece driven by the main motor to perform rotary feeding, a constant torque device is arranged between the overturning frame and the gear shaft, and a damping torque for preventing the rotation of the outer ring of the rotary support is formed on the outer ring of the rotary support. When asymmetrical workpieces such as a bend and the like are welded at the end part of the straight pipe, discontinuous transmission caused by unbalanced load of the asymmetrical workpieces such as the bend and the like is avoided, and the welding quality is not affected.
Description
Technical Field
The utility model relates to the technical field of welding equipment, in particular to automatic welding equipment for pipelines and flanges.
Background
The pipeline welding equipment generally comprises a position changing machine, a welding power supply and a welding gun, wherein the position changing machine comprises a base, a position changing motor and a machine head which is rotationally connected to the base through a machine head rotating shaft, a pinion at the end of the position changing motor drives a large gear which is fixed on the machine head rotating shaft to enable the machine head to move, the machine head comprises a turnover frame, a main motor, a rotating device and a welding chuck, the welding chuck is connected with the main motor through the rotating device, the rotating device and the welding chuck are driven to rotate through the main motor, and further a workpiece is driven to rotate. The turnover frame is provided with a central through hole, a workpiece can pass through the central through hole, the welding chuck can clamp any part of the workpiece, so that the positioner, a welding power supply and a welding gun are of an integrated structure, long pipe welding can be adapted, when a plurality of welding seams exist on the workpiece, the relative positions of the welding cross arm and the positioner are not required to be repeatedly changed, the welding of all the welding seams on the workpiece can be completed, the welding efficiency is high, and the welding quality is easy to ensure. When the device works, firstly, a long pipe workpiece passes through a central through hole of a turnover frame, and an inner hole of a slewing bearing is placed on a welding chuck on a positioner and locked and fixed; then the shifting motor drives the machine head rotating shaft to rotate so as to shift the machine head to 45 degrees, and the welding chuck drives the workpiece to shift; the relative positions between the welding cross arm and the transverse and longitudinal parts of the position changing machine tool are adjusted, and the welding gun is adjusted to the welding position; the main motor can drive the slewing bearing, the welding chuck and the workpiece to rotate, and the welding procedure is started to start welding the pipe fitting. The technical scheme is well applied to straight pipe welding, but when asymmetric workpieces such as a bend and the like are welded at the end part of a straight pipe, welding defects are easy to occur, and the main reason is that the main motor and the slewing bearing are in meshed transmission through the gears to drive the outer ring of the slewing bearing to rotate, and the transmission precision is influenced by the backlash as the meshed transmission of the gears needs to have a certain backlash to work normally, especially when the lateral backlash is larger, the transmission is possibly discontinuous; when the end part of the straight pipe is welded with an asymmetric workpiece such as a bend, and the like, in the process of rotary feeding, the following error formed by meshing gears during the process of 0-90 DEG rotation of the bend part is suddenly released under the action of gravity due to the offset load of the bend when the bend part rotates to more than 90 DEG, so that the transmission is discontinuous, and the welding quality is influenced.
Disclosure of Invention
The utility model aims to overcome the defects of the prior art and provides a damping device of an integrated flange automatic welding device with a central through hole, so as to solve the problems in the background art.
The technical scheme adopted by the utility model for achieving the purpose is as follows:
the damping device of the integrated flange automatic welding equipment with the central through hole comprises a turnover frame, a main motor, a slewing bearing and a welding chuck for fixing a workpiece, wherein an inner ring of the slewing bearing is fixed on the turnover frame, and the welding chuck is connected to an outer ring of the slewing bearing; the main motor sets up in the one side of upset frame, and the driving gear that sets up on the output shaft of main motor meshes with the external tooth on the slewing bearing outer race mutually, its characterized in that: the other side of the turnover frame is provided with a damping device, and the damping device comprises a bearing seat, a gear shaft and a constant torque device arranged between the bearing seat and the gear shaft, wherein the bearing seat is fixed on the turnover frame, the gear shaft is rotationally connected to the bearing seat, and the gear connected to the gear shaft is meshed with external teeth on the outer ring of the slewing bearing.
Through adopting above-mentioned technical scheme, at main motor drive slewer, welding chuck rotation, and then drive the work piece rotation and do the gyration and feed the in-process, because the opposite side of upset frame sets up damping device, the epaxial gear of connection in gear on the damping device also meshes with the external tooth on the slewing bearing outer lane, sets up constant moment device between upset frame and the gear shaft moreover, just so in the rotatory gyration of doing of main motor drive work piece feeding the in-process, form the damping moment that hinders slewing bearing outer lane pivoted on slewing bearing outer lane. When asymmetrical workpieces such as a bend and the like are welded at the end part of the straight pipe, discontinuous transmission caused by unbalanced load of the asymmetrical workpieces such as the bend and the like is avoided, and the welding quality is not affected.
In the damping device of the integrated flange automatic welding equipment with the central through hole, the gear is connected to the upper end of the gear shaft, the bearing is arranged on the upper portion of the gear shaft and positioned on the lower portion of the gear, and the gear shaft is rotatably connected to the upper portion of the bearing seat through the bearing.
In the damping device of the integrated flange automatic welding equipment with the central through hole, the inner side surface of the upper part of the inner hole of the bearing seat is provided with the inner convex ring extending towards the axis direction, the bearings are two single-row tapered roller bearings, and the two single-row tapered roller bearings are respectively arranged on the upper side and the lower side of the inner convex ring in a back-to-back manner; the gear shaft is provided with a thread section at the lower part of the bearing, and the thread section is connected with a lock nut to press the bearing against the gear and the inner convex ring to limit the axial movement of the gear shaft.
By adopting the technical proposal, the two single-row tapered roller bearings are respectively arranged on the upper side and the lower side of the inner convex ring in a back-to-back way, not only has good rigidity, but also has good guiding precision, and can bear the overturning moment,
further, the constant moment device comprises a fixed friction disc, a movable friction disc, a friction plate and a spring, wherein the fixed friction disc is connected to the lower end of the bearing seat, the movable friction disc is provided with a central through hole and sleeved on the lower part of the gear shaft, and the fixed friction disc can axially slide on the gear shaft along the guide key; the friction plate is arranged between the fixed friction plate and the movable friction plate, and a spring is sleeved on the gear shaft and between the movable friction plate and the locking nut.
By adopting the technical scheme, the elastic force of the spring is applied to the friction plate through the movable friction plate, so that friction force is formed between the friction plate and the fixed friction plate as well as between the friction plate and the movable friction plate.
Further, the lower end of the gear shaft is connected with a shaft end baffle.
Through adopting above-mentioned technical scheme, be connected with the axle end baffle at the upper end of gear shaft, can restrict spring, movable friction disc on the gear shaft, the wholeness is good, easy to assemble.
Advantageous effects
According to the technical scheme, in the process of driving the turning device and the welding chuck to rotate by the main motor and further driving the workpiece to rotate for turning feeding, as the damping device is arranged on the other side of the turning frame, a gear connected to the gear shaft on the damping device is meshed with external teeth on the outer ring of the turning support, and the constant torque device is arranged between the turning frame and the gear shaft, a damping torque for preventing the outer ring of the turning support from rotating is formed on the outer ring of the turning support in the process of driving the workpiece to rotate for turning feeding by the main motor. When asymmetrical workpieces such as a bend and the like are welded at the end part of the straight pipe, discontinuous transmission caused by unbalanced load of the asymmetrical workpieces such as the bend and the like is avoided, and the welding quality is not affected.
Drawings
FIG. 1 is a schematic view of the present utility model mounted on an integrated flange automated welding apparatus having a central through hole.
Fig. 2 is a schematic diagram of the present utility model.
In the figure: the device comprises a turnover frame 1, a gear 2, an outer ring of a slewing bearing 3, a welding chuck 4, a workpiece 5, a driving gear 6, a main motor 7, a central through hole 8, an inner ring of a slewing bearing 9, a bearing seat 10, an inner convex ring 10-1, a convex flange 10-2, a gear shaft 11, a bearing 12, a locking nut 13, a spring 14, a guide key 15, a shaft end baffle 16, a first countersunk head bolt 17, a fixed friction disk 18, a second countersunk head bolt 19, a friction plate 20 and a movable friction disk 21.
Detailed Description
In order to clearly illustrate the technical features of the present solution, the present utility model will be further described below by way of non-limiting examples with reference to the accompanying drawings.
The front, rear, left and right directions of the present utility model are described in terms of the front, rear, left and right directions shown in the drawings. For convenience of explanation, only portions relevant to the embodiments of the present utility model are shown.
Referring to fig. 1 and 2, a damping device of an integrated flange automatic welding device with a central through hole comprises a turnover frame 1, a main motor 7, a slewing bearing and a welding chuck 4 for fixing a workpiece 5, wherein an inner ring 9 of the slewing bearing is fixed on the turnover frame 1, and the welding chuck 4 is connected to an outer ring 3 of the slewing bearing; the turnover frame 1 is provided with a central through hole 8, the diameter of the central through hole 8 is larger than the inner diameter of the slewing bearing, and the workpiece 5 can pass through the central through hole 8; the main motor 7 is arranged on the right side of the turnover frame 1, and a driving gear 6 arranged on an output shaft of the main motor 7 is meshed with external teeth on the outer ring of the slewing bearing. The damping device is arranged on the left side of the turnover frame 1 and comprises a bearing seat 10, a gear 2, a gear shaft 11 and a constant moment device arranged between the bearing seat 10 and the gear shaft 11, wherein the bearing seat 10 is fixed on the turnover frame 1, specifically, the bearing seat 10 is a tubular body, an outer convex flange 10-2 is arranged on the outer side wall, a vertical connecting through hole is arranged on the outer convex flange 10-2, a bolt penetrates through the through hole and is screwed into a bolt hole arranged on the turnover frame 1, and the bearing seat 10 is fixedly connected on the turnover frame 1; the gear 2 is arranged at the upper end of the gear shaft 11, and the gear 2 is meshed with external teeth on the outer ring of the slewing bearing; in this embodiment, the gear 2 and the gear shaft 11 are integrally formed, a bearing 12 is provided on the gear shaft 11 at the lower portion of the gear 2, and the gear shaft 11 is rotatably connected to the upper portion of the bearing housing 10 through the bearing 12. An inner convex ring 10-1 extending towards the axis direction is arranged on the inner side surface of the upper part of the inner hole of the bearing seat 10, the bearing 12 is two single-row tapered roller bearings which are respectively arranged on the upper side and the lower side of the inner convex ring 10-1 in a back-to-back manner; a thread section is arranged on the gear shaft 11 and positioned at the lower part of the bearing 12, and a lock nut 13 is connected to the thread section to press the bearing 12 against the gear 2 and the inner convex ring 10-1; in this embodiment, the lock nut 13 is a double slotted lock nut.
The constant moment device is arranged between the lower part of the gear shaft 11 and the lower part of the bearing seat 10, and comprises a fixed friction disk 18, a movable friction disk 21, a friction plate 20 and a spring 14, wherein the fixed friction disk 18 is connected to the lower end of the bearing seat 10, specifically, the lower end of the bearing seat 10 is provided with a bolt hole, the fixed friction disk 18 is provided with a vertical connecting through hole, and a second countersunk bolt 19 passes through the through hole and is screwed into the bolt hole arranged at the lower end of the bearing seat 10, so that the fixed friction disk 18 is fixedly connected to the lower end of the bearing seat 10; the movable friction disk 21 has a central through hole, is sleeved on the lower part of the gear shaft 11 and can axially slide along the guide key 15 on the gear shaft 11, in particular, a key slot is formed on the gear shaft 11, the guide key 15 is fixed in the key slot through a screw, the central through hole of the movable friction disk 21 is also provided with the key slot, the movable friction disk 21 can axially move along the guide key 15, but the movable friction disk 21 can not rotate around the gear shaft 11 and can only rotate along with the gear shaft 11, and the connecting structure of the guide key 15 is a known technology; the friction plate 20 is arranged between the fixed friction plate 18 and the movable friction plate 21, the spring 14 is sleeved on the gear shaft 11 and positioned between the movable friction plate 21 and the lock nut 13, the elastic force of the spring 14 is applied to the friction plate 20 through the movable friction plate 21, and when the movable friction plate 21 rotates along with the gear shaft 11, friction force is formed between the friction plate 20 and the fixed friction plate 18 and between the friction plate 21. In this embodiment, the friction plate 20 is made of nylon material.
In this embodiment, the lower end portion of the gear shaft 11 is connected with a shaft end baffle 16, specifically, the lower end portion of the gear shaft 11 is provided with an axial threaded hole, the shaft end baffle 16 is provided with a vertical through hole, and a first countersunk bolt 17 is screwed into the above-mentioned through hole through the vertical through hole, so that the shaft end baffle 16 is fixedly connected to the lower end of the gear shaft 11.
In describing the present utility model, it should be noted that the terms "left", "right", "front", "rear", "upper", "lower", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and the above terms are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.
Unless specifically stated or limited otherwise, the terms "mounted," "connected," and "coupled" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.
Other than the technical features described in the specification, all are known to those skilled in the art.
The above-mentioned embodiments are only for understanding the present utility model and are not intended to limit the technical solutions described in the present utility model, and a person skilled in the relevant art may make various changes or modifications based on the technical solutions described in the claims, and all equivalent changes or modifications are intended to be included in the scope of the claims of the present utility model.
Claims (5)
1. The damping device of the integrated flange automatic welding equipment with the central through hole comprises a turnover frame, a main motor, a slewing bearing and a welding chuck for fixing a workpiece, wherein an inner ring of the slewing bearing is fixed on the turnover frame, and the welding chuck is connected to an outer ring of the slewing bearing; the main motor sets up in the one side of upset frame, and the driving gear that sets up on the output shaft of main motor meshes with the external tooth on the slewing bearing outer race mutually, its characterized in that: the other side of the turnover frame is provided with a damping device, and the damping device comprises a bearing seat, a gear shaft and a constant torque device arranged between the bearing seat and the gear shaft, wherein the bearing seat is fixed on the turnover frame, the gear shaft is rotationally connected to the bearing seat, and the gear connected to the gear shaft is meshed with external teeth on the outer ring of the slewing bearing.
2. The damping device of an integrated flange automatic welding apparatus having a central through hole according to claim 1, wherein: the gear is connected to the upper end of the gear shaft, a bearing is arranged on the gear shaft and positioned at the lower part of the gear, and the gear shaft is rotationally connected to the upper part of the bearing seat through the bearing.
3. The damping device of an integrated flange automatic welding apparatus having a center through hole according to claim 2, wherein: an inner convex ring extending towards the axis direction is arranged on the inner side surface of the upper part of the inner hole of the bearing seat, the bearings are two single-row tapered roller bearings, and the two single-row tapered roller bearings are respectively arranged on the upper side and the lower side of the inner convex ring in a back-to-back manner; the gear shaft is provided with a thread section at the lower part of the bearing, and the thread section is connected with a lock nut to press the bearing against the gear and the inner convex ring.
4. A damper for an integrated flange automatic welding apparatus having a center through hole as claimed in claim 3, wherein: the constant torque device comprises a fixed friction disc, a movable friction disc, a friction plate and a spring, wherein the fixed friction disc is connected to the lower end of the bearing seat, the movable friction disc is provided with a central through hole, is sleeved on the lower part of the gear shaft and can axially slide on the gear shaft along the guide key; the friction plate is arranged between the fixed friction plate and the movable friction plate, and a spring is sleeved on the gear shaft and between the movable friction plate and the locking nut.
5. The damping device for an integrated flange automatic welding apparatus having a center through hole according to claim 4, wherein: the lower end of the gear shaft is connected with a shaft end baffle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320501378.4U CN219605945U (en) | 2023-03-15 | 2023-03-15 | Damping device of integrated flange automatic welding equipment with central through hole |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320501378.4U CN219605945U (en) | 2023-03-15 | 2023-03-15 | Damping device of integrated flange automatic welding equipment with central through hole |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219605945U true CN219605945U (en) | 2023-08-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320501378.4U Active CN219605945U (en) | 2023-03-15 | 2023-03-15 | Damping device of integrated flange automatic welding equipment with central through hole |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219605945U (en) |
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2023
- 2023-03-15 CN CN202320501378.4U patent/CN219605945U/en active Active
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