CN212665290U

CN212665290U - Welding device

Info

Publication number: CN212665290U
Application number: CN202020633074.XU
Authority: CN
Inventors: 陈�胜; 李永祥; 吕翔
Original assignee: Zhengzhou Haier New Energy Technology Co ltd
Current assignee: Zhengzhou Haier New Energy Technology Co ltd
Priority date: 2020-04-24
Filing date: 2020-04-24
Publication date: 2021-03-09
Anticipated expiration: 2030-04-24

Abstract

The utility model belongs to the technical field of the inner bag processing, concretely relates to welding set. The utility model discloses aim at solving current welding set and can only weld a joint at every turn and lead to the problem of welding inefficiency, influence inner bag machining efficiency. The welding device clamps and fixes the inner container by arranging the clamping mechanism between the first vertical frame and the second vertical frame, and at least one welding device is respectively arranged on the first vertical frame and the second vertical frame, and the joints at different positions of the inner container are welded by utilizing at least two welding devices, so that the welding devices do not need to be moved to different positions of the inner container, the processing efficiency of the inner container is favorably improved, and the processing efficiency of the water heater is further improved; and, will connect the welding to the inner bag through controller control welding equipment, need not operating personnel and remove welding equipment, further improve the machining efficiency of inner bag, can also practice thrift the cost of labor.

Description

Welding device

Technical Field

The utility model belongs to the technical field of the inner bag processing, concretely relates to welding set.

Background

At present, a water heater is a common household appliance, and is provided with a water storage inner container. The inner container is provided with a plurality of openings, such as a water inlet, a water outlet, a magnesium rod mounting opening and the like. It is often necessary to weld joints over the openings to connect the respective components. For example, it is necessary to weld pipe water joints at the water inlet and outlet to connect the water inlet pipe and the water outlet pipe.

Among the prior art, welding set includes support frame and welder, and welder rotationally installs on the support frame. The operator operates the welding gun to rotate relative to the support frame, and annular welding is carried out on the joint. Then, the inner container or the welding device is moved to weld the joint of the next opening. So lead to welding inefficiency, influence the machining efficiency of inner bag.

Accordingly, there is a need in the art for a welding device that addresses the above-mentioned problems.

SUMMERY OF THE UTILITY MODEL

In order to solve the above-mentioned problem among the prior art, can only weld a joint for every turn for solving current welding set and lead to the problem of welding inefficiency, influence inner bag machining efficiency, the utility model provides a welding set.

The welding device includes: the welding device comprises a first vertical frame, a second vertical frame, a controller and at least two welding devices; the first vertical frame and the second vertical frame are arranged at intervals along a first preset direction, a clamping mechanism is arranged between the first vertical frame and the second vertical frame, and the clamping mechanism is provided with a clamping space for clamping the liner; at least one welding device is respectively arranged on the first vertical frame and the second vertical frame; the controller is respectively electrically connected with the clamping mechanism and the welding equipment, and is used for controlling the clamping mechanism to clamp the inner container and controlling the welding equipment to weld.

In a preferred technical solution of the welding device, the welding device includes an installation base, a welding mechanism, and a first driver, one end of the installation base is connected to the first vertical frame or the second vertical frame, and the other end of the installation base is provided with a first slide rail extending in a vertical direction; the welding mechanism is slidably mounted on the first sliding rail and is in transmission connection with the output end of the first driver; the controller is electrically connected with the first driver and is also used for controlling the first driver to drive the welding mechanism to slide up and down along the first sliding rail.

In a preferred technical scheme of the welding device, the welding mechanism comprises a first sliding seat matched with the first sliding rail and a first motor installed on the first sliding seat, and an output end of the first motor is in transmission connection with a welding gun; a water pipe positioning needle is further arranged on the first sliding seat; the controller is respectively electrically connected with the first motor and the welding gun, and is also used for controlling the first motor to drive the welding gun to rotate and controlling the working state of the welding gun.

In a preferred technical scheme of the welding device, a first supporting seat is arranged on one side, away from the second vertical frame, of the first vertical frame, a second supporting seat is arranged on one side, away from the first vertical frame, of the second vertical frame, and a welding gun power supply electrically connected with a welding gun is respectively arranged on the first supporting seat and the second supporting seat.

In a preferred technical scheme of the welding device, the mounting seat comprises a first mounting plate, and a first connecting seat and a balance arm which are arranged at the upper end and the lower end of the first mounting plate at intervals; the first mounting plate is connected with the first vertical frame or the second vertical frame; the first connecting seat is provided with the first sliding rail; the balance arm is provided with a fixed seat.

In a preferred technical solution of the welding device, the first vertical frame and the second vertical frame are provided with a second slide rail extending in a vertical direction, and the first mounting plate is slidably mounted on the second slide rail; the first vertical frame and the second vertical frame are respectively provided with a second driver in transmission connection with the first mounting plate; the controller is electrically connected with the second driver and is also used for controlling the second driver to drive the first mounting plate to slide up and down along the second sliding rail.

In a preferred technical solution of the welding device, the clamping mechanism includes two clamping assemblies arranged at intervals along the first preset direction, and each clamping assembly includes a third slide rail, a clamping head, and a third driver, which extend along the first preset direction; the clamping head is slidably mounted on the third slide rail and is in transmission connection with the output end of the third driver; the clamping space is formed between the two clamping heads; the controller is electrically connected with the third driver and is further used for controlling the third driver to drive the clamping head to slide along the third sliding rail.

In a preferred technical solution of the welding device, the clamping head includes a second mounting plate, a clamping ring disposed on the top of the second mounting plate, and a third sliding seat and a connecting member disposed on the bottom of the second mounting plate; the third sliding seat is slidably arranged on the third sliding rail; and the connecting piece is in transmission connection with the output end of the third driver.

In a preferred technical scheme of the welding device, a lifting mechanism is arranged between the two clamping assemblies and comprises a supporting platform and a fourth driver, and an output end of the fourth driver is in transmission connection with the supporting platform; the controller is electrically connected with the fourth driver and is further used for controlling the fourth driver to drive the supporting platform to move along the vertical direction.

In a preferred technical solution of the welding device, the welding device further includes a base and two fifth drivers, the base is provided with a fourth slide rail extending along the first preset direction, an output end of one of the fifth drivers is in transmission connection with the first vertical frame, and an output end of the other of the fifth drivers is in transmission connection with the second vertical frame; the first vertical frame and the second vertical frame are both slidably mounted on the fourth slide rail; the controller is respectively connected with the two fifth drivers, and the controller is further used for controlling the fifth drivers to drive the first vertical frame and the second vertical frame to slide along the fourth sliding rail.

The technical personnel in the field can understand that, the utility model discloses welding set is through setting up clamping mechanism between first grudging post and second grudging post and press from both sides the inner bag tightly fixed, and install at least one welding equipment on first grudging post and second grudging post respectively, utilize two at least welding equipment to weld the joint of inner bag different positions, need not to make welding equipment move to the different positions of inner bag, be favorable to improving the machining efficiency of inner bag, and then improve the machining efficiency of water heater; and, will connect the welding to the inner bag through controller control welding equipment, need not operating personnel and remove welding equipment, further improve the machining efficiency of inner bag, can also practice thrift the cost of labor.

Drawings

Preferred embodiments of the welding device of the present invention will be described below with reference to the accompanying drawings. The attached drawings are as follows:

fig. 1 is a schematic structural view of a welding device of the present invention;

fig. 2 is a top view of the welding device of the present invention;

FIG. 3 is a front view of the welding device of the present invention;

fig. 4 is a rear view of the welding device of the present invention;

fig. 5 is an enlarged view of a part of the structure of the clamping mechanism of the welding apparatus according to the present invention.

In the drawings: 1. a first stand; 11. a first support base; 12. a second slide rail; 13. a second driver; 2. a second stand; 21. a second support seat; 3. welding equipment; 31. a mounting seat; 311. a first mounting plate; 312. a first connecting seat; 313. a balance arm; 3131. a fixed seat; 32. a welding mechanism; 321. a first slider; 322. a first motor; 323. a welding gun seat; 324. a water pipe positioning needle; 325. connecting columns; 326. a second connecting seat; 33. a first driver; 34. a welding wire support; 4. a clamping mechanism; 41. a third slide rail; 42. a clamping head; 421. a second mounting plate; 422. a clamping ring; 423. a third slide carriage; 424. a connecting member; 43. a third driver; 5. a welding gun power supply; 6. a lifting mechanism; 61. a support platform; 62. a fourth driver; 7. a machine base; 71. a vertical plate; 8. an inner container; 9. a nylon drag chain.

Detailed Description

First of all, it should be understood by those skilled in the art that these embodiments are only for explaining the technical principle of the present invention, and are not intended to limit the scope of the present invention. And can be adjusted as needed by those skilled in the art to suit particular applications. For example, although the welding device of the present invention is described in connection with the processing of the inner container of a water heater, this is not limiting, and other devices having multiple welding positions may be welded using the welding device of the present invention.

Next, it should be noted that in the description of the present invention, the terms of direction or positional relationship indicated by the terms "inside", "outside", etc. are based on the directions or positional relationships shown in the drawings, which are only for convenience of description, and do not indicate or imply that the device or member must have a specific orientation, be constructed in a specific orientation, and operate, and thus, should not be construed as limiting the present invention.

Furthermore, it should be noted that, in the description of the present invention, unless otherwise explicitly specified or limited, the terms "connected" and "connected" should be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; the two components can be directly connected or indirectly connected through an intermediate medium, and the two components can be communicated with each other. The specific meaning of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

A water heater generally includes a heat outer shell and a water storage container, an inner container, disposed within the outer shell. The inner container is generally provided with a water inlet and a water outlet, and pipeline connectors are welded on the water inlet and the water outlet to connect the water inlet pipeline and the water outlet pipeline. The inner container can also be provided with a mounting port for mounting the magnesium rod, and the mounting port is welded with a joint for fixing the magnesium rod. The inner container can also be provided with an installation opening for installing the electric heating pipe, and the installation opening is welded with a flange plate to fix the electric heating pipe. In the process of welding the joint, the existing welding device generally adopts a support frame to support a welding gun, the welding gun performs annular welding on the joint, and after one joint is welded, the liner is moved or the welding device is moved to weld the joint of the next opening. So lead to welding inefficiency, influence the machining efficiency of inner bag.

In view of the above, the present invention provides a new welding device, which includes a first vertical frame and a second vertical frame arranged at a distance along the transverse direction, and a clamping mechanism is arranged between the first vertical frame and the second vertical frame, the clamping mechanism having a clamping space for clamping an inner container; the first vertical frame and the second vertical frame are respectively provided with a welding device; after the controller controls the clamping mechanism to clamp and fix the inner container, the welding equipment is controlled to weld the joint respectively, so that the welding efficiency of the joint is improved, and the processing efficiency of the inner container is improved.

The preferred technical scheme of the welding device of the utility model is explained by combining the welding process of the inner container.

Referring first to fig. 1 to 4, fig. 1 is a schematic structural diagram of a welding device of the present invention, fig. 2 is a top view of the welding device of the present invention, fig. 3 is a front view of the welding device of the present invention, and fig. 4 is a rear view of the welding device of the present invention. As shown in fig. 1 to 4, the welding device of the present invention specifically includes a first vertical frame 1, a second vertical frame 2, a controller, and at least two welding apparatuses 3; the first vertical frame 1 and the second vertical frame 2 are arranged at intervals along a first preset direction, a clamping mechanism 4 is arranged between the first vertical frame 1 and the second vertical frame 2, and the clamping mechanism 4 is provided with a clamping space for clamping the liner 8; at least one welding device 3 is respectively arranged on the first vertical frame 1 and the second vertical frame 2; the controller is respectively electrically connected with the clamping mechanism 4 and the welding equipment 3, and is used for controlling the clamping mechanism 3 to clamp the inner container 8 and controlling the welding equipment 3 to weld.

The first stand 1 and the second stand 2 are arranged at intervals along an X direction in the figure, that is, the first preset direction is the X direction in the figure. The first vertical frame 1 and the second vertical frame 2 are used as vertical frames for installing the welding equipment 4, and the structures of the vertical frames can be various, for example, the first vertical frame 1 can comprise four vertical plates, and the four vertical plates surround to form a rectangular frame structure; for another example, the first stand 1 includes a mounting seat for mounting the welding device 3, and a reinforcing plate for improving the structural strength of the mounting seat. The second vertical frame 2 may have the same structure as the first vertical frame 1, and the second vertical frame 2 may have a different structure from the first vertical frame 1. Of course, the second vertical frame 2 and the first vertical frame 1 have the same structure for the sake of convenience in processing, mounting, and the like.

The first vertical frame 1 and the second vertical frame 2 can be respectively provided with a welding device 3, so that the joints of the liner 8 can be respectively welded without moving the welding device 3 between two ends of the liner 8. Certainly, in some implementation modes, be provided with a plurality of welding equipment 3 such as two, three on the first grudging post 1, a plurality of welding equipment 3 set up along the Y direction interval, welding equipment 3 on the second grudging post 2 is the same and the one-to-one with the quantity of welding equipment on the first grudging post 1, so can weld the joint of a plurality of inner bags 8 simultaneously, and then improve the machining efficiency of inner bag 8, and then improve the machining efficiency of water heater. At this time, of course, a clamping mechanism 4 for clamping the liner is arranged between every two opposite welding devices 3 on the first vertical frame 1 and the second vertical frame 2.

A clamping mechanism 4 is provided between the first stand 1 and the second stand 2, and the clamping mechanism 4 has a clamping space to clamp the inner container 8. For example, the clamping mechanism 4 includes two first abutting pieces and two second abutting pieces arranged at intervals along the X direction, and a clamping space is formed between the first abutting pieces and the second abutting pieces; the first abutting piece and the second abutting piece can be arranged on a guide rail extending along the X direction in a sliding mode, and the controller clamps or releases the inner container by controlling the positions of the first abutting piece and the second abutting piece on the guide rail; for another example, the clamping mechanism 4 includes a supporting plate extending along the X direction, a fixed plate fixed at one end of the supporting plate, and a movable plate movably connected at the other end of the supporting plate, and the controller clamps or releases the liner by controlling the position of the movable plate moving along the supporting plate.

The utility model discloses in, the controller is connected with clamping mechanism 4, welding equipment 3 electricity respectively to control clamping mechanism 4 and welding equipment 3's operating condition. Specifically, the controller controls the clamping mechanism 4 to move to clamp the liner 8, so that unqualified products caused by welding position change due to movement of the liner 8 are avoided; then, the controller controls the welding device 3 to weld the joint to the inner container 8.

The utility model discloses a controller can be the switch board of integration on welding set, for example, sets up the switch board in the side of first grudging post 1 or second grudging post 2, and operating personnel passes through operation control cabinet control welding set's operating condition. Or the controller is a remote controller, and an operator can remotely control the working state of the welding device. Of course, the controller can be a control cabinet and a remote controller at the same time, so that the operation of field operators is facilitated, and the remote monitoring of the working state of the welding device by monitoring personnel can be facilitated. In addition, a memory can be integrated in the controller, a preset control program is stored in the memory, and an operator can call different control programs to control the working states of the clamping mechanism 4 and the welding mechanism 3 by selecting an operation mode. The utility model discloses do not restrict the control method of controller.

The welding device of the utility model clamps and fixes the inner container 8 by arranging the clamping mechanism 4 between the first vertical frame 1 and the second vertical frame 2, and respectively installing at least one welding device 3 on the first vertical frame 1 and the second vertical frame 2, and welding the joints at different positions of the inner container 8 by utilizing at least two welding devices 3 without moving the welding device 3 to different positions of the inner container 8, thereby being beneficial to improving the processing efficiency of the inner container and further improving the processing efficiency of the water heater; and, control welding equipment 3 through the controller and weld the joint to inner bag 8 on, need not operating personnel and remove welding equipment 3, further improve inner bag 8's machining efficiency, can also practice thrift the cost of labor.

In a possible embodiment, with reference to fig. 3 and 4, the welding device 3 comprises a mounting seat 31, a welding mechanism 32 and a first driver 33, one end of the mounting seat 31 is connected with the first stand 1 or the second stand 2, and the other end of the mounting seat 32 is provided with a first slide rail extending in a vertical direction; the welding mechanism 32 is slidably mounted on the first slide rail, and the welding mechanism 32 is in transmission connection with the output end of the first driver 33; the controller is electrically connected with the first driver 33, and the controller is further used for driving the welding mechanism 32 to slide up and down along the first slide rail.

In the present embodiment, the mounting seat 31 is used for mounting the welding mechanism 32 on the first standing frame 1 or the second standing frame 2, and the structure form thereof may be various, for example, the mounting seat 31 may be a block structure, one end thereof is connected to the first standing frame 1 or the second standing frame 2, and the other end thereof is provided with a first slide rail; for another example, the mounting seat 31 may include a connecting arm and a sliding arm, a first end of the connecting arm is connected to the first stand 1 or the second stand 2, a second end of the connecting arm is connected to the sliding arm, the sliding arm is provided with a first sliding rail, and a reinforcing arm is provided between the sliding arm and the first stand 1 or the second stand 2. The specific structure of the mount 31 is not limited in this embodiment.

One end of the mounting seat 31 is connected with the first stand 1 or the second stand 2, which means that when the welding equipment 3 is mounted on the first stand 1, the mounting seat 31 of the welding equipment 3 is connected with the first stand 1; when the welding equipment 3 is mounted on the second stand 2, the mount 31 of the welding equipment 3 is connected to the second stand 2. In addition, the connection mode between the mounting seat 31 and the first stand 1 or the second stand 2 may be various, for example, the mounting seat 31 is fixed on the first stand 1 or the second stand 2, so that the mounting of the welding mechanism 32 is more stable, and the welding mechanism 32 is prevented from shaking during the welding process; for another example, the mounting seat 31 is slidably mounted on the first stand 1 or the second stand 2, so that the vertical position of the welding mechanism 32 can be adjusted according to different sizes of the inner containers or products to be welded. Of course, the connection form of the mounting seat 31 and the first stand 1 may be the same as or different from the connection form of the mounting seat 31 and the second stand 2. The utility model discloses in, the connected mode of mount pad 31 and first grudging post 1 is the same with the connected mode of mount pad 31 and second grudging post 2, both made things convenient for the processing of mount pad 31 and first grudging post 1, second grudging post 2, made things convenient for welding set's equipment again.

The other end of the mounting seat 31 is provided with a first slide rail extending in the vertical direction, i.e., the first slide rail extends in the Z direction in the figure. The first slide rail can be provided with one, and the first slide rail can also be provided with two, and the two first slide rails are arranged at intervals along the Y direction so as to increase the installation stability of the welding mechanism 32.

The welding mechanism 32 is connected with the output end of the first driver 33 in a transmission manner, and slides up and down along the first slide rail under the driving of the first driver 33. The first driver 33 may be a pneumatic cylinder or a hydraulic cylinder, and the first driver 33 may further include a motor and a transmission assembly, where the transmission assembly can convert the rotation of the motor into a linear motion, for example, the transmission assembly includes a gear and a rack, and the rack extends in the vertical direction. The present embodiment does not limit the specific structure of the first actuator 33.

The controller controls the working state of the first driver 33 by electrically connecting with the first driver 33, that is, the controller controls the welding mechanism 32 to move downwards to weld the joint to the inner container 8 by controlling the first driver 33, or controls the welding mechanism 32 to move upwards to replace the inner container to be welded after the welding is completed.

This implementation's welding equipment 3 is connected with first grudging post 1 or second grudging post 2 through mount pad 31 to welding mechanism 32 slidable installs on the first slide rail that mount pad 31 set up, and the controller is through controlling first driver 33 control welding mechanism 32 along first slide rail up-and-down motion, accomplishes the welding of inner bag 8 top connection voluntarily, further improves the welding efficiency who connects.

On the basis of the foregoing implementation manner, with continued reference to fig. 3 to 5, optionally, the welding mechanism 32 includes a first sliding seat 321 matched with the first sliding rail and a first motor 322 installed on the first sliding seat 321, and an output end of the first motor 322 is connected with a welding gun in a transmission manner; the first sliding seat 321 is also provided with a water pipe positioning needle 324; the controller is respectively electrically connected with the first motor 322 and the welding gun, and the controller is also used for controlling the first motor 322 to drive the welding gun to rotate and controlling the working state of the welding gun.

Specifically, the welding mechanism 32 includes a second connecting seat 326, and a first sliding seat 321 matched with the first sliding rail is disposed on the second connecting seat 326; and, the lower extreme of second connecting seat 326 is provided with spliced pole 325, rotationally installs welding gun seat 323 on connecting seat 325, and welding gun seat 323 is used for installing welder.

The first motor 322 is installed on the second connection seat 326, and the output end of the first motor 322 is in transmission connection with the welding seat 323. Under the control of the controller, the first motor 322 drives the welding base 323 to rotate around the connecting column 325, so as to realize girth welding on the joint.

In order to position the joint, the bottom end of the connecting column 325 is provided with a water pipe positioning needle 324, and when the water pipe positioning needle 324 penetrates through the joint and enters a welding port on the liner 8, the position of the joint is accurate. Then, the controller controls the first motor 322 to drive the welding base 323 to rotate around the connection post 325, thereby implementing girth welding to the joint.

The welding mechanism 32 of this implementation mode is slidably mounted on the first slide rail through the first slide seat 321, and the controller drives the welding gun to rotate by controlling the first motor 322 to realize girth welding of the joint, so as to further improve the welding efficiency of the joint; in addition, the joint is positioned through the water pipe positioning pin 324, the welding yield of the joint is improved, and the problem that the inner container is unqualified due to welding inclination of the joint and the like is avoided.

In order to perform the welding operation of the welding torch, a power supply needs to be provided to the welding torch. In some embodiments, the welding torch is directly wired to an industrial electrical power outlet, which facilitates a simplified welding apparatus configuration. In other embodiments, the welding device is provided with a welding gun power supply 5, and with specific reference to fig. 3 and 4, a first support seat 11 is provided on a side of the first vertical frame 1 away from the second vertical frame 2, a second support seat 21 is provided on a side of the second vertical frame 2 away from the first vertical frame 1, and the first support seat 11 and the second support seat 21 are respectively provided with the welding gun power supply 5 electrically connected with a welding gun. That is, first supporting seat 11 and welding equipment 3 are installed respectively in the both sides of first grudging post 1 along the X direction, so can balance the both sides of first grudging post 1 along the X direction for first grudging post 1's structure is more stable, and then improves welding equipment 3's stability, improves the welding effect. The same effect is also provided for the second stand 2, that is, the second support seat 21 and the welding device 3 are respectively installed on two sides of the second stand 2 along the X direction, so that two sides of the second stand 2 along the X direction can be balanced, and the structure of the second stand 2 is more stable.

Optionally, the first support seat 11 and the second support seat 21 have the same structure, and are convenient to process and install. For example, the first supporting seat 11 includes a bottom plate and a vertical plate, the bottom plate is vertically connected to the vertical plate, the vertical plate is fixedly connected to the first vertical frame 1, and the bottom plate is used for placing the welding gun power supply 5. Of course, in order to improve the structural stability of the first supporting seat 11, the first supporting seat 11 further includes a reinforcing bar, and two ends of the reinforcing bar are respectively fixedly connected with the bottom plate and the vertical plate. The structure of the second supporting seat 21 is the same as that of the first supporting seat 11, and will not be described herein.

The welding gun power supply 5 is connected with the welding gun through a lead, and the welding gun is also connected with a gas pipe to provide protective gas in the welding process. To avoid a connection disorder of wires, gas pipes, etc., the wire bonding mechanism 3 is moved. Optionally, the utility model discloses a various wires, trachea, oil pipe etc. all integrate to nylon tow chain 9 in, play the effect of drawing and maintaining to wires, trachea, oil pipe etc..

From this, this embodiment provides the welder with the power through setting up welder power 5 respectively in first grudging post 1 and second grudging post 2, not only can guarantee the stability of supplying power, can also balance the atress of first grudging post 1 and second grudging post 2 for the installation of welding mechanism 32 is more stable.

Of course, the welding gun can be connected with the welding gun power supply 5 while being connected to a power socket of industrial electricity through a lead, and the controller selectively supplies power according to actual conditions.

In addition, referring to fig. 3, the welding device of the present invention further includes a welding wire support 34, and the welding wire support 34 is used for installing a welding wire to provide a welding wire for welding gun welding work. The wire holder 34 is connected to the first stand 1 or the second stand 2. Alternatively, the wire holder 34 may be connected to the mounting seat 31.

In order to further improve the stability of the installation of the welding mechanism 32, with continued reference to fig. 3 to 5, the installation seat 31 includes a first installation plate 311, and a first connection seat 312 and a balance arm 313 which are arranged at the upper and lower ends of the first installation plate 311 at intervals; the first mounting plate 311 is connected to the first stand 1 or the second stand 2; the first connecting seat 312 is provided with a first slide rail; the balance arm 313 is provided with a fixing base 3131.

First mounting panel 311 extends along the Z to, its one side is connected with first grudging post 2 or second grudging post 2, its opposite side is provided with first connection seat 312 and balance arm 313, and first connection seat 312 sets up the upper end at first mounting panel 311, balance arm 313 sets up the lower extreme at first mounting panel 311, balance arm 313 and first connection seat 312 can be perpendicular with first mounting panel 311 respectively, so make first connection seat 312 and balance arm 313 can balance the atress at first mounting panel 311 upper and lower both ends, improve the stability of first mounting panel 311 and install on first grudging post 1 or second grudging post 2.

The first connecting seat 312 is provided with a first slide rail, which is engaged with the first slide seat 321 of the welding mechanism 32. One end of the balance arm 313, which is far away from the first mounting plate 311, is provided with a fixing seat 3131 to support the inner container 8, provide an upward supporting force for the inner container 8, offset a downward acting force applied to the inner container by a welding gun in a welding process, ensure that the inner container 8 is stable and does not displace in the welding process, and improve the welding quality.

Therefore, the mounting seat 31 in this embodiment includes the first mounting plate 311, the first connecting seat 312 for connecting the welding mechanism 32 is disposed at the upper end of the first mounting plate 311, and the balance arm 313 is disposed at the lower end of the first mounting plate 311, so that the upper and lower ends of the first mounting plate 311 are stressed in a balanced manner, the stability of the connection between the first mounting plate 311 and the first stand 1 or the second stand 2 is improved, the stability of the welding mechanism 32 is further improved, and the welding quality is improved. In addition, the fixing seat 3131 is arranged at the end part of the balance arm 313 to provide an upward supporting force for the inner container, so that a downward acting force applied to the inner container 8 by the welding gun in the welding process is offset, the inner container 8 is ensured to be stable and not to be displaced in the welding process, and the welding quality is further improved.

As can be seen from the above description, when the inner container 8 moves to the preset welding position, the controller controls the first driver 22 to drive the welding mechanism 32 to slide downwards along the first sliding rail, so as to weld the joint; when the welding is finished and the inner container needs to be replaced, the controller controls the first driver 22 to drive the welding mechanism 32 to slide upwards along the first sliding rail. In order to guarantee welding mechanism 32's stability, avoid welding mechanism 32 to slide from top to bottom apart from too big its stability of influence and lead to welding effect poor, the utility model discloses still set up sliding construction alone so that welding equipment 3 slides from top to bottom to the inner bag that adapts to different models perhaps treats welding equipment.

That is, the mounting seat 31 is slidably mounted on the first stand 1 and the second stand 2, specifically, referring to fig. 3 and 4, the first stand 1 and the second stand 2 are provided with the second slide rail 12 extending in the vertical direction, and the first mounting plate 311 is slidably mounted on the second slide rail 12; the first vertical frame 1 and the second vertical frame 2 are respectively provided with a second driver 13 which is in transmission connection with the first mounting plate 311; the controller is electrically connected with the second driver 13, and the controller is further configured to control the second driver 13 to drive the first mounting plate 311 to slide up and down along the second slide rail 12.

And a second slide rail 12 is arranged on one side of the first vertical frame 1, which is far away from the welding gun power supply 5, and the second slide rail 12 extends along the Z direction. The first mounting plate 311 is provided with a second slide seat matched with the second slide rail 12. The first mounting plate 311 is drivingly connected to the output end of the second driver 13. Wherein, the second driver 13 can be the cylinder, the pneumatic cylinder, the second driver 13 also can include motor and drive assembly, wherein drive assembly can convert the rotation of motor into linear motion, for example, the second driver 13 includes servo motor, lead screw and nut, servo motor installs the top at first grudging post 1, servo motor's output and lead screw transmission are connected, and the lead screw extends along vertical direction, nut and lead screw threaded connection, and the nut is connected with first mounting panel 311, servo motor drives first mounting panel 311 through lead screw and nut and moves from top to bottom along second slide rail 12.

The structure of the second stand 2 is the same as that of the first stand 1, and the description thereof is omitted.

The welding device provided by this embodiment is provided with the second slide rail 12 on the first stand 1 and the second stand 2, so that the first mounting plate 311 of the mounting seat 31 is slidably mounted on the second slide rail 12, and the controller drives the first mounting plate 311 to slide up and down by controlling the second driver 13, so as to adjust the position of the welding equipment 3 along the Z direction, so that the welding device can adapt to welding operations of different types of inner containers or products to be welded.

It should be noted that, in the welding of the joints on the inner containers of the same type, the welding device 3 is fixed differently with respect to the first stand 1 or the second stand 2, and the welding operation can be completed only by driving the welding mechanism 32 to slide up and down by the first driver 33. When the signal of the inner container needs to be replaced or the products to be welded with different sizes need to be replaced, the controller controls the second driver 13 to drive the welding equipment 3 to integrally slide up and down along the second slide rail 12. Namely, the utility model discloses a welding set up with welder in the welding process about slide with change when the product whole welding equipment's upper and lower slip realize through different structures respectively, can be so that welding set's control and motion are more meticulous, and then improve welding quality and welding efficiency.

The structure and the operation of the clamping mechanism 4 of the present invention will be described in detail below.

In a specific embodiment, with reference to fig. 1 to 5, the clamping mechanism 4 comprises two clamping assemblies spaced apart along a first preset direction, the clamping assemblies comprising a third slide rail 41 extending along the first preset direction, a clamping head 42 and a third driver 43; the clamping head 42 is slidably mounted on the third slide rail 43, and the clamping head 42 is in transmission connection with the output end of the third driver 43; a clamping space is formed between the two clamping heads 42; the controller is electrically connected with the third driver 43, and the controller is further configured to control the third driver 43 to drive the clamping head 42 to slide along the third sliding rail 41.

Wherein the two clamping assemblies are spaced apart along a first predetermined direction, i.e. the two clamping assemblies are spaced apart along the X-direction in the figure. Form the centre gripping space of centre gripping inner bag 8 between two clamping components, so make inner bag 8 along the both ends of X direction by the centre gripping back, can remove about the X direction, improve the flexibility that inner bag 8 removed.

The third slide rail 41 extends along a first preset direction, i.e., the third slide rail 41 extends along the X direction. Wherein, the third slide rail 41 can be provided with one, or the third slide rail 41 can also be provided with two, and two third slide rails 41 are provided at intervals along the Y direction, so as to improve the stability of installing the clamping head 42, and the interval between two third slide rails 41 provides an installation space for the third driver 43, so that the welding device structure is more compact.

The clamping head 42 is slidably mounted on the third slide rail 43, and the clamping head 42 is drivingly connected to the output of the third driver 43. The third driver 43 may be an air cylinder or a hydraulic cylinder, or the third driver 43 may include a motor and a transmission assembly, and the transmission assembly can convert the rotation of the motor into a linear motion, for example, the transmission assembly may include a screw rod and a nut; as another example, the transmission assembly may include a gear and a rack. The present invention is not limited to the specific structure of the third driver 43.

The clamping mechanism of this embodiment realizes the centre gripping to inner bag 8 through two clamping components along the X direction to, the controller is through controlling third driver 43 drive clamp head 42 and remove along third slide rail 41, makes inner bag 8 remove about can following the X direction, improves the flexibility that inner bag 8 removed, further improves inner bag 8 top connection welded efficiency.

On the basis of the above embodiments, in some examples, referring to fig. 5, the clamping head 42 includes a second mounting plate 421, a clamping ring 422 disposed on the top of the second mounting plate 421, and a third slide 423 and a connecting member 424 disposed on the bottom of the second mounting plate 421; the third slide 423 is slidably mounted on the third slide rail 41; the connecting member 424 is drivingly connected to the output of the third driver 43.

Wherein, the second mounting panel 421 can be a rectangular plate, and its both ends are provided with two third slides 423 with third guide rail 41 complex respectively along Y direction, promptly, press from both sides tight circle 422 and cooperate with third guide rail 41 through two third slides 423, so be favorable to improving the stability that presss from both sides tight circle 422, and then improve the stability that the inner bag was by the centre gripping.

The connecting member 424 is installed between the two third sliding seats 423, the third driver 43 is installed between the two third sliding rails 41, and the output end of the third driver 43 is connected to the connecting member 424, so that the third driver 43 applies a force at the middle position of the second mounting plate 421, and stably pushes the second mounting plate 421 to slide along the third sliding rails 41. Wherein, the structure of connecting piece 424 can have the multiple, for example, when third driver 43 is the cylinder, connecting piece 424 can include two connecting plates that set up along Y direction interval, and the output of cylinder is located between two connecting plates, and the fastener respectively with two connecting plates, the screw hole threaded connection on the cylinder output, so in order to realize being connected of cylinder and connecting piece 424, simple structure, connection are stable.

The clamp ring 422 is a circular ring structure, and is fixedly mounted on the top surface of the second mounting plate 421 to hold the inner container 8. A clamping space for clamping the inner container is formed between the two clamping rings 422. With continued reference to fig. 5, the clamping ring 422 is a circular structure, which can stably clamp the inner container 8; and the clamping ring 422 can slide along the third sliding rail 41 under the driving of the third driver 43, so that the fixing base 3131 connected with the end of the balance arm 313 can extend into the right side of the clamping ring 422, that is, the fixing base 3131 can extend into the lower part of the end of the inner container 8, so as to provide an upward supporting force for the inner container, and further improve the stability of welding the inner container 8.

The clamping head 42 of the present example is matched with the third slide rail 41 by providing the third slide seat 423, so that the movement of the clamping head 42 is smoother; through setting up the stable centre gripping inner bag 8 of clamp ring 422 to clamp ring 422 can slide along third slide rail 41 under the drive of third driver 43, makes fixing base 3131 can stretch into the right side of clamp ring 422, provides ascending holding power for the inner bag, further improves inner bag 8 welded stability.

In the utility model, the controller controls the third driver 43 of the left clamping assembly to slide along the third slide rail 41 until the fixing seat 3131 extends into the right side of the clamping ring 422, and then the left joint of the liner is welded; then, the controller controls the third driver 43 of the right clamping assembly to slide rightward along the third sliding rail 41 until the fixing base 3131 extends into the left side of the clamping ring 422, and then welds the joint on the right side of the inner container. So, though weld the joint at both ends on the inner bag respectively, only need controller drive third driver 43 can realize, for the relative support frame removal of operating personnel operation welder among the prior art, the utility model discloses a welding set operation is convenient, efficient fast more.

With continued reference to fig. 3 and 4, the two clamping assemblies have a space between them in the X direction, in which space a lifting mechanism 6 is mounted. Specifically, the lifting mechanism 6 comprises a supporting platform 61 and a fourth driver 62, and the output end of the fourth driver 62 is in transmission connection with the supporting platform 61; the controller is electrically connected to the fourth driver 62, and the controller is further used for controlling the fourth driver 62 to drive the support platform 61 to move in the vertical direction.

The lifting mechanism 6 comprises a base and a supporting platform 61 arranged above the base at intervals, and a telescopic column can be arranged between the supporting platform 61 and the base to better support the supporting platform 61. The supporting platform 61 can be provided with a limiting seat to prevent the liner 8 from rolling on the supporting platform 61. The fourth drive 62 is mounted on the base, and the output of the fourth drive 62 is in driving connection with the support platform. Optionally, the fourth driver 62 is a pneumatic or hydraulic cylinder.

The utility model discloses a set up lifting mechanism 6 and lift inner bag 8, specifically, operating personnel or robotic arm etc. place inner bag 8 on supporting platform 61, and controller control fourth driver 62 drives supporting platform 61 and rises to preset height, and at this height, two clamping components of clamping mechanism 4 can be with the 8 centre grippings of inner bag in the centre gripping space. After the inner container 8 is clamped by the clamping mechanism, the controller drives the supporting platform 61 to descend by controlling the fourth driver 62. So, make the centre gripping of inner bag 8 more convenient, be favorable to improving the welding efficiency of inner bag top connection.

With continuing reference to fig. 1 to 4, the welding device of the present invention further includes a base 7 and two fifth drivers, the base 7 is provided with a fourth slide rail extending along the first preset direction, an output end of one of the fifth drivers is in transmission connection with the first vertical frame 1, and an output end of the other fifth driver is in transmission connection with the second vertical frame 2; the first vertical frame 1 and the second vertical frame 2 are both slidably arranged on a fourth slide rail; the controller is connected with two fifth drivers respectively, and the controller is still used for controlling the fifth driver drive first grudging post 1 and second grudging post 2 and slide along the fourth slide rail.

Specifically, the fifth driver may be a pneumatic cylinder or a hydraulic cylinder, and the fifth driver may further include a motor and a transmission assembly, wherein the transmission assembly may convert rotation of the motor into linear motion. For example, the fifth driver includes a servo motor, a lead screw and a nut, an output end of the servo motor is connected with the lead screw, and the nut is connected with the first vertical frame 1 or the second vertical frame 2 after being in threaded connection with the lead screw, so that the fifth driver drives the first vertical frame 1 or the second vertical frame 2 to move along the fourth sliding rail through the lead screw and the nut under the control of the controller. The fourth slide rail extends along the first preset direction, that is, the fourth slide rail extends along the X direction. In order to make the first vertical frame 1 and the second vertical frame 2 slide stably, a fourth sliding seat matched with a fourth sliding rail is respectively arranged on the first vertical frame 1 and the second vertical frame 2.

The utility model discloses a welding set slides along the fourth slide rail through setting up first grudging post of fifth driver drive 1 and second grudging post 2 to adjust the distance along the X direction between first grudging post 1 and the second grudging post 2, adjust two welder along the distance of X direction promptly, so that welding set can use the inner bag to different models or treat welding product, improve welding set's commonality.

In addition, the base 7 is further provided with vertical plates 71, and the vertical plates 71 are respectively arranged on the front side and the rear side of the base 7. The top end of the vertical plate 71 is provided with a third slide rail 41. The standing plate 71 also serves to protect the inner structure.

The following describes the utility model discloses welding set's working process:

firstly, an operator or a mechanical arm or the like places the liner 8 on the supporting platform 61 of the lifting mechanism 6, and the controller controls the fourth driver 62 to drive the supporting platform 61 to move upwards to a preset height;

next, the controller controls the third actuator 43 of the clamp mechanism 4 to drive the clamp head 42 to slide along the third slide rail 41, thereby clamping the inner container 8 in the clamping space. After the inner container 8 is clamped and fixed, the controller controls the fourth driver 61 to drive the supporting platform 61 to move downwards to the initial position.

Then, the controller controls the third driver 43 to move to the left side, and the third driver moves to the fixed seat 3131 to extend into the right side of the clamping ring 422, so as to provide an upward supporting force for the inner container; the controller controls the first driver 33 to drive the welding mechanism 32 to move downwards to a preset position, then controls the welding gun to be started, and controls the first motor 322 to drive the welding gun to rotate around the connecting column 325, so that girth welding of a joint is realized; then, the controller controls the third driver 43 to move to the right side, and the welding of the right end joint of the inner container is completed. Of course, the joint at the right end of the inner container can be welded first, and then the joint at the left end of the inner container can be welded.

Finally, after the re-welding is completed, the controller controls the first driver 33 to drive the welding mechanism 32 to move upwards to the initial position; meanwhile, the third driver 43 is controlled to drive the clamping head 42 to move rightwards, so that the inner container 8 is positioned above the supporting platform 61; then, the controller controls the fourth driver 62 to drive the supporting platform 61 to move upwards to be in contact with the liner, and simultaneously, the controller controls the third driver 43 to drive the clamping head 42 to move to release the liner 8, so that the mechanical arm or an operator moves out the welded liner to weld the joint of the downward moving liner.

Certainly, when the inner containers of different models or products to be welded are replaced, the controller drives the welding equipment 3 to move up and down along the Z direction by controlling the second driver 13, and the distance between the welding gun and the clamping mechanism 4 along the Z direction is adjusted; the controller controls the fifth driver to drive the first vertical frame 1 and the second vertical frame 2 to move along the X direction so as to adjust the distance between the first vertical frame 1 and the second vertical frame 2 along the X direction, namely adjust the distance between the two welding guns along the X direction; therefore, the welding device can be applied to inner containers of different models or products to be welded, and the universality of the welding device is improved.

To sum up, the welding device of the present invention clamps and fixes the inner container 8 by arranging the clamping mechanism 4 between the first vertical frame 1 and the second vertical frame 2, and at least one welding device 3 is respectively installed on the first vertical frame 1 and the second vertical frame 2, and the at least two welding devices 3 are used to weld the joints of the inner container 8 at different positions, so that the welding device 3 does not need to be moved to different positions of the inner container 8, which is beneficial to improving the processing efficiency of the inner container, and further improving the processing efficiency of the water heater; and, control welding equipment 3 through the controller and weld the joint to inner bag 8 on, need not operating personnel and remove welding equipment 3, further improve inner bag 8's machining efficiency, can also practice thrift the cost of labor.

So far, the technical solution of the present invention has been described with reference to the preferred embodiments shown in the drawings, but it is easily understood by those skilled in the art that the scope of the present invention is obviously not limited to these specific embodiments. Without departing from the principle of the present invention, a person skilled in the art can make equivalent changes or substitutions to the related technical features, and the technical solutions after these changes or substitutions will fall within the protection scope of the present invention.

Claims

1. A welding device, comprising: the welding device comprises a first vertical frame, a second vertical frame, a controller and at least two welding devices;

the first vertical frame and the second vertical frame are arranged at intervals along a first preset direction, a clamping mechanism is arranged between the first vertical frame and the second vertical frame, and the clamping mechanism is provided with a clamping space for clamping the liner; at least one welding device is respectively arranged on the first vertical frame and the second vertical frame;

the controller is respectively electrically connected with the clamping mechanism and the welding equipment, and is used for controlling the clamping mechanism to clamp the inner container and controlling the welding equipment to weld.

2. The welding device according to claim 1, wherein the welding equipment comprises a mounting seat, a welding mechanism and a first driver, one end of the mounting seat is connected with the first stand or the second stand, and the other end of the mounting seat is provided with a first slide rail extending in a vertical direction;

the welding mechanism is slidably mounted on the first sliding rail and is in transmission connection with the output end of the first driver;

the controller is electrically connected with the first driver and is also used for controlling the first driver to drive the welding mechanism to slide up and down along the first sliding rail.

3. The welding device according to claim 2, wherein the welding mechanism comprises a first sliding seat matched with the first sliding rail and a first motor arranged on the first sliding seat, and an output end of the first motor is in transmission connection with a welding gun; a water pipe positioning needle is further arranged on the first sliding seat;

the controller is respectively electrically connected with the first motor and the welding gun, and is also used for controlling the first motor to drive the welding gun to rotate and controlling the working state of the welding gun.

4. The welding device according to claim 3, wherein a first support seat is provided on a side of the first vertical frame away from the second vertical frame, a second support seat is provided on a side of the second vertical frame away from the first vertical frame, and a welding gun power source electrically connected to the welding gun is provided on each of the first support seat and the second support seat.

5. The welding device according to claim 2, wherein the mounting seat comprises a first mounting plate, and a first connecting seat and a balance arm which are arranged at the upper end and the lower end of the first mounting plate at intervals; the first mounting plate is connected with the first vertical frame or the second vertical frame; the first connecting seat is provided with the first sliding rail; the balance arm is provided with a fixed seat.

6. The welding device according to claim 5, wherein the first stand and the second stand are provided with a second slide rail extending in a vertical direction, and the first mounting plate is slidably mounted on the second slide rail;

the first vertical frame and the second vertical frame are respectively provided with a second driver in transmission connection with the first mounting plate;

the controller is electrically connected with the second driver and is also used for controlling the second driver to drive the first mounting plate to slide up and down along the second sliding rail.

7. The welding device according to any one of claims 1 to 6, wherein the clamping mechanism comprises two clamping assemblies arranged at intervals along the first preset direction, the clamping assemblies comprising a third slide rail extending along the first preset direction, a clamping head and a third driver; the clamping head is slidably mounted on the third slide rail and is in transmission connection with the output end of the third driver; the clamping space is formed between the two clamping heads;

the controller is electrically connected with the third driver and is further used for controlling the third driver to drive the clamping head to slide along the third sliding rail.

8. The welding device of claim 7, wherein the clamping head comprises a second mounting plate, a clamping ring disposed on top of the second mounting plate, and a third carriage and connector disposed on the bottom of the second mounting plate; the third sliding seat is slidably arranged on the third sliding rail; and the connecting piece is in transmission connection with the output end of the third driver.

9. The welding device according to claim 7, wherein a lifting mechanism is arranged between the two clamping assemblies, the lifting mechanism comprises a support platform and a fourth driver, and an output end of the fourth driver is in transmission connection with the support platform;

the controller is electrically connected with the fourth driver and is further used for controlling the fourth driver to drive the supporting platform to move along the vertical direction.

10. The welding device according to any one of claims 1 to 6, further comprising a base and two fifth drivers, wherein a fourth slide rail extending along the first preset direction is disposed on the base, an output end of one of the fifth drivers is in transmission connection with the first vertical frame, and an output end of the other of the fifth drivers is in transmission connection with the second vertical frame;

the first vertical frame and the second vertical frame are both slidably mounted on the fourth slide rail;

the controller is respectively connected with the two fifth drivers, and the controller is further used for controlling the fifth drivers to drive the first vertical frame and the second vertical frame to slide along the fourth sliding rail.