CN204954187U - Longmen welding set - Google Patents

Abstract

The utility model provides a gantry welding device. In the prior art, when steel pipes are welded, the steel pipes are usually fixed and then manually welded, which is time-consuming and laborious, and the work efficiency is low. The utility model provides a gantry welding device, which comprises a gantry welding frame and a roller frame. The roller frame includes a linear guide rail and a moving seat; the moving seat includes a base and a supporting device; Seat and connecting seat, the connecting seat is provided with supporting wheels; the gantry welding frame includes a frame, a welding mechanism, a lifting frame, a lifting motor and a screw rod, the welding mechanism is fixed on the lifting frame, the frame includes a support and a beam, and the support A track groove is provided on the top, a slide block is arranged on the lifting frame, the slide block fits in the track groove, the threaded screw fits with the slide block, the lifting motor controls the screw mandrel, and the lifting motor is fixed on the beam. The utility model has the advantages of simple structure, reasonable design, high welding seam quality, high working efficiency and convenient adjustment.

Description

Gantry welding device

technical field

The utility model relates to a gantry welding device, which is used for welding steel pipes.

Background technique

Welded steel pipe refers to a steel pipe with seams on the surface that is welded after bending and deforming a steel strip or steel plate into a circular, square, etc. shape. The blank used for the welded steel pipe is steel plate or strip steel. In the prior art, when steel pipes are welded, the steel pipes are usually fixed and then manually welded, which is time-consuming and laborious, and the work efficiency is low, and the quality of the weld seam cannot be guaranteed. Now there are also steels that are welded by a welding device. Specifically, the position of the steel pipe is fixed, and then the welding device feeds and welds. However, the welding device is easy to shake during the feeding process, which makes the welding mechanism on it shake and affects the weld. quality. In addition, steel pipes with large diameters need to align their joints with the welding mechanism when they are placed, and manual adjustments are required in general production. However, due to their heavy weight, it takes time and effort, which affects work efficiency.

Utility model content

The purpose of the utility model is to overcome the above-mentioned deficiencies in the prior art, and provide a gantry welding device with reasonable structural design, high weld quality, high work efficiency, convenient adjustment, and time-saving and labor-saving.

The technical scheme adopted by the utility model to solve the above-mentioned problems is: the gantry welding device includes a gantry welding frame and a roller frame, and is characterized in that:

The roller frame includes a linear guide rail and a moving seat; the moving seat includes a base and two sets of support devices; the base is provided with rollers that cooperate with the linear guide rail; the support device includes a support seat fixed on the base and two sets of supporting devices. A set of oppositely arranged connection seats, the connection seats are hinged on the support seat, and the two sides of the connection seat at the hinge are respectively provided with supporting wheels;

The gantry welding frame includes a frame, a welding mechanism, a lifting frame, a lifting motor and a screw mandrel, the welding mechanism is fixed on the lifting frame, the frame includes two sets of supports and a set of beams, the two ends of the beams They are respectively fixed on two groups of supports, and the supports are provided with track grooves arranged in the up and down direction. Both ends of the lifting frame are provided with sliders, and the sliders fit in the track grooves. The screw rods pass through the The slider is threadedly matched with the slider, and the lifting motor controls the rotation of the screw mandrel, and the lifting motor is fixed on the beam.

In the utility model, the lifting frame can ensure that the welding mechanism moves along the vertical direction through the cooperation of the slider and the track groove. When the motor is working, the screw rotates, because the screw is threaded with the slider, so the slider can be driven to move. , so that the lifting frame moves in the up and down direction, thereby adjusting the height of the welding mechanism so that it corresponds to the joint of the steel pipe to be welded, which is convenient to operate and high in work efficiency; The moving seat can move linearly along the linear guide rail, which provides conditions for the straight-line feeding of steel pipes; the connecting seat is hinged on the supporting seat, and the connecting seat can be rotated by its hinge axis, thereby adjusting the positions of the two sets of supporting wheels on it, so that It is matched with the outer wall of the steel pipe, in which the inner support wheel plays a major role in supporting the bottom of the steel pipe, while the outer support wheel plays a role in supporting and limiting the opposite outer side of the steel pipe; when the steel pipe is placed on the supporting device, the steel pipe first presses On the inner supporting wheel, it drives the connecting seat to rotate, so that the outer supporting wheel touches the steel pipe. Since the connecting seat can rotate, it can be applied to steel pipes of different diameters, and the scope of application is wider; The moving seat moves and the feed moves, while the welding mechanism remains stationary, so there will be no vibration of the welding mechanism to ensure the welding quality.

One of the two sets of supporting devices in the utility model is provided with a driving device, the driving device includes a driving motor, and the driving motor drives the supporting wheel to rotate. When the driving motor drives the support wheel to rotate, the friction between the support wheel and the steel pipe drives the steel pipe to rotate, so that the joint position corresponds to the welding mechanism, which is convenient to adjust and saves time and effort.

The number of welding mechanisms described in the utility model is 2 groups, and they are arranged horizontally on the lifting frame. Two sets of steel pipes can be welded at the same time, and the work efficiency is higher.

The support of the utility model is provided with a guide block on the inner wall of the track groove, and a guide groove matched with the guide block is provided on the slide block. The cooperation of the guide block and the guide groove can further ensure the stability of the slide block when it is raised and lowered.

The utility model also includes a connecting plate, which is respectively connected with the beam and the support. It can increase the connection strength between the beam and the support.

The utility model also includes two groups of transmission rods, the two groups of transmission rods are all controlled to rotate by the lifting motor, and the transmission rods cooperate with the screw mandrel to control the rotation of the screw mandrel. The two sets of screw rods are respectively driven by corresponding transmission rods, and the two sets of drive rods are controlled by a set of lifting motors, so the two sets of screw rods can maintain consistency and ensure the stability of the lifting frame.

The hinged part of the connection seat described in the utility model and the centers of the two groups of support wheels are not on the same straight line. Specifically, the center of the outer support wheel, the hinge of the connection seat, and the center of the inner support wheel form an obtuse angle. When the steel pipes respectively apply force to the inner and outer support wheels, the strength of the above structure is higher, and the connection seat is not easy. out of shape.

The utility model also includes a feed device fixed on the moving seat, the feed device includes a feed motor and a feed gear that is controlled to rotate by the feed motor, and the side of the linear guide rail is provided with a rack. The feed motor of the feed device can realize the feed of the moving seat by controlling the rotation of the gear, and the structure is simple and the operation is convenient.

The outer edge of the supporting wheel of the utility model is provided with a buffer layer. The setting of the buffer layer can prevent marks from appearing when the steel pipe collides with the support wheel, and can also increase the friction between the support wheel and the steel pipe to prevent the steel pipe from rotating. When the support wheel drives the steel pipe to rotate, the setting of the buffer layer can provide sufficient friction. Prevent the steel pipe from slipping.

Compared with the prior art, the utility model has the following advantages and effects: the structure is simple and the design is reasonable; Rotate, because the threaded rod and the slider are threaded, so the slider can be driven to move, so that the lifting frame moves in the up and down direction, thereby adjusting the height of the welding mechanism so that it corresponds to the joint of the steel pipe to be welded, and the operation is convenient. The working efficiency is high; the rollers on the base of the moving seat fit on the linear guide rail, so that the moving seat can move linearly along the linear guide rail, which provides conditions for the straight-line feeding of the steel pipe; the connecting seat is hinged on the supporting seat, and the connecting seat can The hinge shaft rotates to adjust the positions of the two sets of support wheels on it to match the outer wall of the steel pipe. The inner support wheels mainly support the bottom of the steel pipe, while the outer support wheels play a role in supporting the opposite outer side of the steel pipe. Support and limit function; when the steel pipe is placed on the support device, the steel pipe first presses on the inner support wheel, and drives the connecting seat to rotate, so that the outer support wheel is against the steel pipe. Since the connecting seat can rotate, it is applicable For steel pipes of different diameters, the application range is wider; during welding, the steel pipe moves with the moving seat, while the welding mechanism remains stationary, so there will be no vibration of the welding mechanism to ensure the welding quality.

Description of drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the following will briefly introduce the accompanying drawings that need to be used in the description of the embodiments or the prior art. Obviously, the accompanying drawings in the following description These are only some embodiments of the utility model, and those skilled in the art can also obtain other drawings according to these drawings without any creative effort.

Fig. 1 is a structural schematic diagram of a gantry welding device in an embodiment of the present invention.

Figure 2 is a schematic diagram of the front view of the gantry welding frame.

FIG. 3 is a schematic structural diagram of the left view of FIG. 2 .

Fig. 4 is a schematic diagram of cooperation between the lifting motor and the transmission rod.

Fig. 5 is a schematic diagram of cooperation between the transmission rod and the screw rod.

Fig. 6 is a schematic diagram of cooperation between the lifting frame and the frame.

Fig. 7 is a front structural schematic diagram of the mobile seat.

FIG. 8 is a schematic top view of the structure of FIG. 7 .

FIG. 9 is a left view structural diagram of FIG. 7 .

detailed description

The utility model will be further described in detail below in conjunction with the accompanying drawings and examples. The following examples are explanations of the utility model and the utility model is not limited to the following examples.

Example 1.

Referring to FIGS. 1 to 9 , the gantry welding device of this embodiment includes a gantry welding frame 10 and a roller frame 20 .

The gantry welding frame 10 in this embodiment includes a frame 1 , a welding mechanism 2 , a lifting frame 3 , a lifting motor 4 and a screw rod 5 .

The roller frame 20 in this embodiment includes a linear guide rail 21 and a moving seat 22 .

The mobile seat 22 in this embodiment includes a base 23 and two sets of supporting devices 24; the base 23 is provided with a roller 231 that cooperates with the linear guide rail 21, and the roller 231 is an anti-derailment structure, and when it cooperates with the linear guide rail 21, it will not move from the side. The above-mentioned structure is a prior art, so it will not be described in detail; the support device 24 includes a support seat 241 fixed on the base 23 and two sets of oppositely arranged connection seats 242, the connection seats 242 are hinged on the support seat 241, and the connection seats 242 Support wheels 243 are arranged on both sides of the hinge.

The welding mechanism 2 in this embodiment is fixed on the elevating frame 3, and the frame 1 includes two sets of supports 11 and a set of crossbeams 12, and the two ends of the crossbeams 12 are respectively fixed on the two sets of supports 11. There are track grooves 111 arranged in the up and down direction, sliders 31 are provided at both ends of the lifting frame 3, and the sliders 31 fit in the track grooves 111. The screw rod 5 passes through the slider 31 and is threadedly matched with the slider 31 , the lifting motor 4 controls the rotation of the screw mandrel 5, and the lifting motor 4 is fixed on the beam 12.

The elevating frame 3 can ensure that the welding mechanism 2 moves directionally along the up and down direction through the cooperation of its slide block 31 and the track groove 111. When the motor works, the screw mandrel 5 rotates, because the screw mandrel 5 is threadedly matched with the slide block 31, thus, it can be driven. Slider 31 moves, and lifting frame 3 is moved up and down, thereby adjusts the height of welding mechanism 2, makes it correspond to the seam of the steel pipe to be welded, and is easy to operate, and work efficiency is high; When welding, steel pipe moves, and The welding mechanism 2 remains stationary, so the shaking of the welding mechanism 2 does not occur, thereby ensuring welding quality. The roller 231 on the base 23 of the moving seat 22 fits on the linear guide rail 21, so that the moving seat 22 can move linearly along the linear guide rail 21, which provides conditions for the linear feeding of the steel pipe; the connecting seat 242 is hinged on the supporting seat 241, The connecting seat 242 can be rotated by its hinge shaft, thereby adjusting the positions of two sets of support wheels 243 on it to match the outer wall of the steel pipe, wherein the inner support wheels 243 play a major role in supporting the bottom of the steel pipe, while the outer support wheels 243 supports and limits the outer side of the steel pipe; when the steel pipe is placed on the support device 24, the steel pipe first presses on the inner support wheel 243, and drives the connecting seat 242 to rotate, so that the outer support wheel 243 touches the On the steel pipe, since the connecting seat 242 is rotatable, it can be applied to steel pipes of different pipe diameters, and the scope of application is wider.

The support 11 and the beam 12 in this embodiment form a gantry frame, so it is called "gantry welding device".

The number of welding mechanisms 2 in this embodiment is 2 groups, and they are arranged horizontally on the elevating frame 3 . Two sets of steel pipes can be welded at the same time, and the work efficiency is higher. In addition, the number of welding mechanisms 2 can also be set in multiple groups according to the length and load-bearing capacity of the lifting frame 3 .

The support 11 in this embodiment is provided with a guide block 112 on the inner wall of the track groove 111 , and the slide block 31 is provided with a guide groove 311 matching with the guide block 112 . The cooperation between the guide block 112 and the guide groove 311 can further ensure the stability of the sliding block 31 when it is raised and lowered.

This embodiment also includes a connecting plate 13, which is respectively connected to the beam 12 and the support 11, and the connecting plate 13 is arranged obliquely, and its two ends are respectively fixed to the beam 12 and the support 11. The connection strength between the beam 12 and the support 11 can be improved.

The present embodiment also includes two groups of transmission rods 6, the two groups of transmission rods 6 are all controlled to rotate by the lifting motor 4, and the transmission rods 6 cooperate with the screw mandrel 5 and control the rotation of the screw mandrel 5. The two sets of screw rods 5 are respectively driven by the corresponding transmission rods 6 , and the two sets of drive rods 6 are controlled by a set of lifting motors 4 , so the two sets of screw rods 5 can maintain consistency and ensure the stability of the lifting frame 3 .

In this embodiment, the transmission rod 6 is connected with the lifting motor 4 and the screw mandrel 5 respectively. The lifting motor 4 is connected with a No. 1 bevel gear 41, and the two ends of the transmission rod 6 are respectively provided with a No. 2 bevel gear 61 and a No. 3 bevel gear. Gear 62, No. 4 bevel gear 51 is arranged on the top of screw mandrel 5, No. 1 bevel gear 41 meshes with No. 2 bevel gear 61, and No. 3 bevel gear 62 meshes with No. 4 bevel gear 51, thus realizing a set of lifting motor 4 controls two groups of screw mandrels 5 to rotate.

The welding mechanism 2 in this embodiment is the prior art, so it will not be repeated here.

The support 11 in this embodiment includes two square tubes arranged at intervals, the distance between the two square tubes forms a track groove 111, and the two square tubes are fixed by connecting pieces.

One of the two sets of supporting devices 24 in this embodiment is provided with a driving device 25 , and the driving device 25 includes a driving motor 251 , and the driving motor 251 drives the supporting wheel 243 to rotate. When the driving motor 251 drives the support wheel 243 to rotate, the friction between the support wheel 243 and the steel pipe drives the steel pipe to rotate, so that the seam position corresponds to the welding mechanism, which is convenient to adjust and saves time and effort. The driving motor 251 simultaneously drives the supporting wheels 243 on the two sets of opposite connecting seats 242 to rotate. This structure is a prior art, so it will not be repeated here.

In this embodiment, the hinges of the connecting seat 242 and the centers of the two sets of support wheels 243 are not on the same straight line. Specifically, the center of the outer support wheel 243, the hinge of the connecting seat 242, and the center of the inner supporting wheel 243 are at an obtuse angle. , its strength is higher, and the connecting seat 242 is not easily deformed.

This embodiment also includes a feed device 26 fixed on the moving base 22, the feed device 26 includes a feed motor 261 and a feed gear 262 controlled by the feed motor 261, the side of the linear guide rail 21 is provided with a A rack for gear 262 meshes. The feed motor 261 of the feed device 26 can realize the feed of the moving seat 22 by controlling the rotation of the gear, and the structure is simple and the operation is convenient.

The outer edge of the support wheel 243 in this embodiment is provided with a buffer layer 2431 . The setting of the buffer layer 2431 can prevent the steel pipe from colliding with the supporting wheel 243, and can also increase the friction between the supporting wheel 243 and the steel pipe to prevent the steel pipe from rotating. When the supporting wheel 243 drives the steel pipe to rotate, the setting of the buffer layer 2431 can provide Sufficient friction to prevent the steel pipe from slipping.

The above content described in this specification is only an illustration of the utility model. Those skilled in the technical field to which the utility model belongs can make various modifications or supplements to the described specific embodiments or adopt similar methods to replace them, as long as they do not deviate from the content of the specification of the utility model or go beyond the definition of the claims All should belong to the protection scope of the present utility model.

Claims (9)

1. A gantry welding device, comprising a gantry welding frame and a roller frame, characterized in that: The roller frame includes a linear guide rail and a moving seat; the moving seat includes a base and two sets of support devices; the base is provided with rollers that cooperate with the linear guide rail; the support device includes a support seat fixed on the base and two sets of supporting devices. A set of oppositely arranged connection seats, the connection seats are hinged on the support seat, and the two sides of the connection seat at the hinge are respectively provided with supporting wheels; The gantry welding frame includes a frame, a welding mechanism, a lifting frame, a lifting motor and a screw mandrel, the welding mechanism is fixed on the lifting frame, the frame includes two sets of supports and a set of beams, the two ends of the beams They are respectively fixed on two groups of supports, and the supports are provided with track grooves arranged in the up and down direction. Both ends of the lifting frame are provided with sliders, and the sliders fit in the track grooves. The screw rods pass through the The slider is threadedly matched with the slider, and the lifting motor controls the rotation of the screw mandrel, and the lifting motor is fixed on the beam. 2. The gantry welding device according to claim 1, characterized in that: one of the two sets of supporting devices is provided with a driving device, the driving device includes a driving motor, and the driving motor drives the supporting wheels to rotate. 3. The gantry welding device according to claim 1, characterized in that: the number of the welding mechanisms is 2 groups, and they are arranged horizontally on the lifting frame. 4. The gantry welding device according to claim 1 or 3, wherein a guide block is provided on the inner wall of the track groove of the support, and a guide groove matching with the guide block is opened on the slide block. 5. The gantry welding device according to claim 1 or 3, characterized in that it further comprises a connecting plate, and the connecting plate is respectively connected with the beam and the support. 6. The gantry welding device according to claim 1, characterized in that it further comprises two sets of transmission rods, both of which are controlled to rotate by the lifting motor, and the transmission rod cooperates with the screw rod to control the rotation of the screw rod. 7. The gantry welding device according to claim 1 or 2, characterized in that: the hinge of the connecting seat and the centers of the two sets of supporting wheels are not on the same straight line. 8. The gantry welding device according to claim 1 or 2, characterized in that: it also includes a feed device fixed on the moving seat, and the feed device includes a feed motor and a feed motor controlled by the feed motor to rotate. gear, the side of the linear guide rail is provided with a rack meshed with the feed gear. 9. The gantry welding device according to claim 1, characterized in that: the outer edge of the support wheel is provided with a buffer layer.