CN113441885B

CN113441885B - Automatic change overhead tank jar body welding equipment

Info

Publication number: CN113441885B
Application number: CN202111007941.4A
Authority: CN
Inventors: 曹砚银; 逄涛; 曹传珍
Original assignee: Yantai Jinneng Machinery Co ltd
Current assignee: Huanshui (Qingdao) water equipment Co.,Ltd.
Priority date: 2021-08-31
Filing date: 2021-08-31
Publication date: 2021-11-12
Anticipated expiration: 2041-08-31
Also published as: CN113441885A

Abstract

The invention discloses automatic pressure tank body welding equipment, and relates to the technical field of pressure tank production. The automatic feeding device comprises a welding workbench, a feeding table, a limiting frame, a discharging frame and a rolling roll, wherein the rolling roll is arranged between the limiting frame and the discharging frame, the feeding roll is arranged between the welding workbench and the feeding table, and the feeding roll is in contact fit with the rolling roll. The welding workbench, the feeding table and the coil stock group are combined into a whole, and the coil stock and the welding process are directly and tightly combined; the coiling roller and the feeding roller are arranged, and the coiling roller is driven by a coiling motor to contact with the feeding roller to be mutually matched in a rotating mode, so that synchronous work of feeding and coiling is realized; the upper beam and the lower beam of the welding workbench are provided with the wire shafts and the welding guns, the two wire shafts synchronously rotate, the two welding guns can be ensured to simultaneously weld from two sides of the steel plate, and the stability of welding work is ensured.

Description

Automatic change overhead tank jar body welding equipment

Technical Field

The invention belongs to the technical field of pressure tank production, and particularly relates to automatic pressure tank body welding equipment.

Background

In the assembly production of the pressure tank, the tank body part is usually welded, and the welding is mainly carried out after a steel plate is wound into a cylinder; for example, in a welding process of the prior art, two sets of mutually independent devices are generally used for steel plate winding and welding in a pressure tank assembling and welding tool disclosed in patent document (CN 108247274A), and manual assistance is often required in the welding and winding processes, so that on one hand, automatic assembling and production are difficult to achieve, and on the other hand, time and labor are wasted in a process transfer process, which seriously affects production efficiency; meanwhile, in the welding process of the pressure tank, the steel plates are not only assembled into a tank-shaped structure generally, but also welding is still needed when accessories such as a partition plate and the like in the pressure tank are assembled, and the welding work is often difficult due to the radian of the connecting part; therefore, aiming at the problems, the existing equipment is reorganized and combined, and the automatic pressure tank body welding equipment is designed.

Disclosure of Invention

The invention aims to provide automatic pressure tank body welding equipment, which solves the problem that production efficiency is influenced because winding equipment and welding equipment are mutually independent and manual assistance is needed in working in the conventional pressure tank welding process.

In order to solve the technical problems, the invention is realized by the following technical scheme:

the invention relates to automatic pressure tank body welding equipment which comprises a welding workbench, a feeding table and a coil group, wherein the coil group comprises a limiting frame, a discharging frame and a plurality of coil rollers, one side surface of the welding workbench is fixedly bolted with the feeding table, and two opposite end surfaces of the welding workbench are respectively welded with the limiting frame and the discharging frame; the two opposite end faces of the material rolling roller are respectively connected with the limiting frame and the material discharging frame through bearings;

the welding workbench is of a U-shaped frame structure and comprises an upper beam and a lower beam, the upper beam and the lower beam are of the same structure, and a gap is formed between the upper beam and the lower beam and used for conveying steel plates; the limiting frame and the discharging frame are both of annular plate structures, wherein the discharging frame comprises an inner ring and an outer ring, the inner ring is welded with the upper beam, and the outer ring is welded with the lower beam; a sliding groove is formed in one surface of the upper beam, and a screw shaft is connected to the inner surface of the sliding groove through a bearing; the welding blocks are arranged on the peripheral side surface of the screw shaft and form a screw structure; wherein the lower beam is provided with the same structure as the upper beam;

a welding gun is hinged to one surface of the welding block and extends to a position between the upper beam and the lower beam; the heads of the welding guns on the surfaces of the two welding blocks are opposite, so that the welding guns can be simultaneously welded from the inner side and the outer side when the steel plate is welded, and the stability of welding work is ensured;

the plurality of material rolling rollers are provided with a plurality of material rolling arc groups in a shared way, and each material rolling arc group comprises three material rolling rollers; gaps exist among the coiling rollers in the same group, and the three coiling rollers are arranged in a shape like a Chinese character 'pin', so that the radian is formed when the steel plate passes through the gaps;

a winding motor and an adjusting motor are bolted on one side surface of the limiting frame, an output shaft of the winding motor is bolted with the material rolling roller, and an output shaft of the adjusting motor is bolted with the screw shaft;

further, one end of the wire shaft penetrates through the limiting frame and extends to the outside of the device, driving wheels are welded on the peripheral sides of the wire shaft, a driving belt is installed between the two driving wheels, the adjusting motor is used for driving the two wire shafts of the upper beam and the lower beam to rotate simultaneously, and the two welding guns are guaranteed to work synchronously.

Furthermore, two feeding rollers are connected between the limiting frame and the material discharging frame through bearings, and the circumferential side surfaces of the feeding rollers are in contact with the circumferential side surfaces of the material rolling rollers;

furthermore, the feeding rollers are arranged between the welding workbench and the feeding table, a gap exists between the two feeding rollers, and the gap between the upper beam and the lower beam are at the same horizontal height, so that the steel plate can be conveniently conveyed into the equipment.

Furthermore, two limiting plate groups are arranged between two adjacent arc rolling groups, each limiting plate group comprises two winding plates, and each winding plate is of an arc plate structure;

furthermore, a hydraulic machine is bolted to one side face of the limiting frame, an output shaft of the hydraulic machine penetrates through the limiting frame and extends to a position between the two winding plates, and the workpiece can be discharged by the output shaft of the hydraulic machine after welding.

Furthermore, a controller is arranged in the welding workbench, and the winding motor, the adjusting motor and the hydraulic machine are electrically connected with the controller;

furthermore, the lower surface of the upper beam is provided with two induction grooves which are respectively arranged at two sides of the sliding groove; the inner surface of the induction groove is welded with an electrode bolt through a spring; the left electrode bolt and the right electrode bolt are electrically connected, and the electrode bolts are electrically connected with the controller; the distance between the left electrode bolt and the contact point of the steel plate and the contact point of the right electrode bolt and the steel plate in the steel plate transmission process is shortest, and the resistance is minimum; when the cylindrical structure is formed after transmission, gaps exist on the two opposite end faces of the cylinder, so that the distance between the left electrode bolt and the right electrode bolt and the contact point of the steel plate is the farthest, and the resistance is the largest.

The invention has the following beneficial effects:

the welding workbench, the feeding table and the coil stock group are combined into a whole, and the coil stock and the welding process are directly and tightly combined; the coiling roller and the feeding roller are arranged, and the coiling roller is driven by a coiling motor to contact with the feeding roller to be mutually matched in a rotating mode, so that synchronous work of feeding and coiling is realized; the upper beam and the lower beam of the welding workbench are respectively provided with the wire shaft and the welding guns, and the two wire shafts synchronously rotate, so that the two welding guns can be ensured to simultaneously weld from two sides of the steel plate, and the stability of welding work is ensured; on the other hand, according to the various structures, in the actual working process of the equipment, the working sequence of each internal element can be adjusted according to the welding progress, so that the equipment is suitable for different welding stages.

Of course, it is not necessary for any product in which the invention is practiced to achieve all of the above-described advantages at the same time.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a schematic diagram of the overall structure of an automated pressure tank body welding apparatus of the present invention;

FIG. 2 is a top view of an automated pressure tank body welding apparatus of the present invention;

FIG. 3 is a schematic structural view of section A-A in FIG. 2;

FIG. 4 is a partial display view of portion B of FIG. 3;

FIG. 5 is a schematic structural view of section C-C of FIG. 3;

FIG. 6 is a partial display view of portion E of FIG. 5;

fig. 7 is a schematic structural view of section D-D in fig. 3.

In the drawings, the components represented by the respective reference numerals are listed below:

1. a welding workbench; 2. a feeding table; 3. a limiting frame; 4. a discharging frame; 5. a material rolling roller; 401. an inner ring; 402. an outer ring; 101. a chute; 102. a wire shaft; 103. welding the blocks; 104. a welding gun; 301. a winding motor; 302. adjusting the motor; 1021. a driving wheel; 1022. a drive belt; 6. a feed roller; 7. a winding plate; 303. a hydraulic press; 105. an induction tank; 1051. and (4) electrode plugs.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "upper", "middle", "outer", "inner", and the like, indicate orientations or positional relationships, are used for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the referenced components or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

Example 1:

referring to fig. 1-7, the invention relates to an automatic pressure tank body welding device, which comprises a welding workbench 1, a feeding table 2 and a coil group, wherein the coil group comprises a limiting frame 3, a discharging frame 4 and a plurality of coil rollers 5, one side surface of the welding workbench 1 is fixedly bolted with the feeding table 2, and two opposite end surfaces of the welding workbench 1 are respectively welded with the limiting frame 3 and the discharging frame 4; the two opposite end faces of the material rolling roller 5 are respectively connected with the limiting frame 3 and the material discharging frame 4 through bearings;

the welding workbench 1 is of a U-shaped frame structure and comprises an upper beam and a lower beam, the upper beam and the lower beam are of the same structure, and a gap is formed between the upper beam and the lower beam and used for conveying steel plates; the limiting frame 3 and the discharging frame 4 are both of annular plate structures, wherein the discharging frame 4 comprises an inner ring 401 and an outer ring 402, the inner ring 401 is welded with the upper beam, and the outer ring 402 is welded with the lower beam; a sliding groove 101 is formed in one surface of the upper beam, and a screw shaft 102 is connected to the inner surface of the sliding groove 101 in a bearing mode; the welding block 103 is arranged on the peripheral side surface of the screw shaft 102, and the welding block and the screw shaft form a screw structure; wherein the lower beam is provided with the same structure as the upper beam;

a welding gun 104 is hinged to one surface of the welding block 103, and the welding gun 104 extends between the upper beam and the lower beam; the heads of the welding guns 104 on the surfaces of the two welding blocks 103 are opposite, so that the welding guns can be simultaneously welded from the inner side and the outer side when the steel plate is welded, and the stability of welding work is ensured;

a plurality of winding arc groups are arranged on the plurality of winding rollers 5 in a shared way, and each winding arc group comprises three winding rollers 5; gaps exist among the coiling rollers 5 in the same group, wherein the three coiling rollers 5 are arranged in a shape like a Chinese character 'pin', so that the radian is formed when the steel plate passes through;

a winding motor 301 and an adjusting motor 302 are bolted on one side surface of the limiting frame 3, an output shaft of the winding motor 301 is bolted with the material rolling roller 5, and an output shaft of the adjusting motor 302 is bolted with the screw shaft 102; one end of the wire shaft 102 penetrates through the limiting frame 3 and extends to the outside of the equipment, driving wheels 1021 are welded on the peripheral side of the wire shaft 102, a driving belt 1022 is installed between the two driving wheels 1021, and the adjusting motor 302 is used for driving the two wire shafts 102 of the upper beam and the lower beam to rotate simultaneously, so that the two welding guns 104 can work synchronously.

Preferably, two feeding rollers 6 are further connected between the limiting frame 3 and the discharge frame 4 through bearings, and the peripheral side surfaces of the feeding rollers 6 are in contact with the peripheral side surfaces of the winding rollers 5; the feeding rollers 6 are arranged between the welding workbench 1 and the feeding table 2, a gap exists between the two feeding rollers 6, and the gap between the feeding rollers and the gap between the upper beam and the lower beam are at the same horizontal height, so that the steel plate can be conveniently conveyed into the equipment.

Preferably, two limiting plate groups are arranged between two adjacent arc rolling groups, each limiting plate group comprises two winding plates 7, and each winding plate 7 is of an arc-shaped plate structure; one side surface of the limiting frame 3 is bolted with a hydraulic machine 303, an output shaft of the hydraulic machine 303 penetrates through the limiting frame 3 and extends to a position between the two winding plates 7, when welding work is carried out, a cylinder workpiece formed by winding the steel plate is positioned between the two winding plates 7, and when welding is finished, the hydraulic machine 303 can be started, and the output shaft of the hydraulic machine is extended to discharge the workpiece through the inner ring 401 and the outer ring 402 of the discharging frame 4.

Example 2:

preferably, a controller is arranged in the welding workbench 1, and the winding motor 301, the adjusting motor 302 and the hydraulic machine 303 are all electrically connected with the controller; when the welding equipment works, the work of each part in the equipment is mainly controlled by the controller; the lower surface of the upper beam is provided with two induction grooves 105, and the two induction grooves 105 are respectively arranged at two sides of the sliding groove 101; an electrode bolt 1051 is welded on the inner surface of the induction groove 105 through a spring; the left electrode bolt 1051 and the right electrode bolt 1051 are electrically connected, and the electrode bolts 1051 are electrically connected with the controller;

the electrode bolts 1051 are metal conductive columns, the distance between the contact points of the left and right electrode bolts 1051 and the steel plate in the steel plate transmission process is shortest, the resistance is minimum, at the moment, the winding motor 301 works, the adjusting motor 302 is in standby, and the steel plate is continuously wound under the action of the winding roller 5; when the transmission is finished and the cylindrical structure is formed, the two opposite ends of the steel plate are concentrated at the welding workbench 1, gaps exist between the two opposite end faces due to non-welding, the distance between the contact points of the left and right electrode bolts 1051 and the steel plate is the farthest, the resistance is the largest, the winding motor 301 is in standby at the moment, the adjusting motor 302 works, and the steel plate is welded by the two welding guns 104.

Example 3:

it should be further noted that, as described above, in the assembly welding work of the pressure tank body, in addition to the linear welding process of winding the steel plate into the cylindrical structure and then fixing and forming, when assembling components such as the partition plate inside the tank body, arc welding work is generally required to be performed by attaching the inner wall of the tank body, therefore, when the present invention is used, the above working mode is only the process of welding and forming the tank body, when welding components such as the partition plate inside the tank body, the control mode can be modified by the controller, and after the linear welding of the cylindrical body is completed, the position of the welding gun 104 is adjusted to the assembly welding position of the internal components by the adjusting motor 302, the winding motor 301 is started again to weld the cylindrical body in a rotating state; after the welding operation is finished, the hydraulic press 303 is started, and the output shaft of the hydraulic press is used for ejecting the formed workpiece out to finish discharging;

in summary, when the specific assembly welding work is involved, firstly, a steel plate to be welded is conveyed into a coil set on the feeding table 2 by the extrusion action between the two feeding rollers 6, wherein the coil roller 5, the limiting frame 3 and the discharging frame 4 are matched to wind the steel plate along the gap between the inner ring 401 and the outer ring 402, and the coil roller 5 is extruded for auxiliary forming; when the transmission is finished and a cylindrical structure is formed, the two opposite ends of the steel plate are concentrated at the welding workbench 1, the distance between the contact points of the left electrode bolt 1051 and the right electrode bolt 1051 and the steel plate is the farthest, the resistance is the largest, the winding motor 301 is in standby at the moment, the adjusting motor 302 works, and the steel plate is welded in a straight line by the two welding guns 104; after the linear welding is finished, the adjusting motor 302 is started again to adjust the welding guns 104 to the connection parts of the internal components, the winding motor 301 is started at the same time, the barrel is extruded and rotated by the rotation of the winding roller 5, and the upper welding gun 104 and the lower welding gun 104 weld the arc welding parts at the same time in the rotating state; then according to a specific working process, when welding is finished, the winding motor 301 is closed, the hydraulic machine 303 is started, and the tank body is ejected out for discharging by using an output shaft of the hydraulic machine.

In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.

Claims

1. The utility model provides an automatic change overhead tank jar body welding equipment, includes weldment work platform (1), pay-off platform (2) and coil stock group, wherein coil stock group is including spacing (3), blowing frame (4) and a plurality of coil stock roller (5), its characterized in that: one side surface of the welding workbench (1) is fixedly bolted with the feeding table (2), and two opposite end surfaces of the welding workbench (1) are respectively welded with the limiting frame (3) and the discharging frame (4); the two opposite end faces of the material rolling roller (5) are respectively connected with the limiting frame (3) and the material discharging frame (4) through bearings;

the welding workbench (1) is of a U-shaped frame structure and comprises an upper beam and a lower beam, the upper beam and the lower beam are of the same structure, and a gap is formed between the upper beam and the lower beam; the limiting frame (3) and the discharging frame (4) are both of annular plate structures, wherein the discharging frame (4) comprises an inner ring (401) and an outer ring (402), the inner ring (401) is welded with the upper beam, and the outer ring (402) is welded with the lower beam; a sliding groove (101) is formed in one surface of the upper beam, and a screw shaft (102) is connected to the inner surface of the sliding groove (101) in a bearing mode; the peripheral side surface of the screw shaft (102) is provided with a welding block (103), and the welding block form a screw structure; a welding gun (104) is hinged to one surface of the welding block (103), and the welding gun (104) extends between the upper beam and the lower beam;

one surface of the lower beam is provided with another sliding chute (101), and the inner surface of the other sliding chute (101) is in bearing connection with another screw shaft (102); another welding block (103) is arranged on the peripheral side surface of the other screw shaft (102), and the two welding blocks form a screw rod structure; one surface of the other welding block (103) is hinged with the other welding gun (104); the heads of the welding guns (104) on the surfaces of the two welding blocks (103) are opposite;

a plurality of coiling arc groups are arranged on the coiling rollers (5) in a shared way, and each coiling arc group comprises three coiling rollers (5); a gap exists between the coiling rollers (5) of the same group;

a winding motor (301) and an adjusting motor (302) are bolted to one side face of the limiting frame (3), an output shaft of the winding motor (301) is bolted to the coiling roller (5), and an output shaft of the adjusting motor (302) is bolted to the screw shaft (102);

a controller is arranged in the welding workbench (1), two induction grooves (105) are formed in the lower surface of the upper beam, and the two induction grooves (105) are respectively formed in the two sides of the sliding groove (101); an electrode bolt (1051) is welded on the inner surface of the induction groove (105) through a spring; the left electrode bolt (1051) and the right electrode bolt (1051) are electrically connected, and the electrode bolts (1051) are electrically connected with the controller.

2. The automatic pressure tank body welding equipment is characterized in that one end of the wire shaft (102) penetrates through the limiting frame (3) and extends to the outside of the equipment, driving wheels (1021) are welded on the peripheral side face of the wire shaft (102), and a driving belt (1022) is installed between the two driving wheels (1021).

3. The automatic pressure tank body welding equipment as claimed in claim 2, characterized in that two feeding rollers (6) are connected between the limiting frame (3) and the discharging frame (4) through bearings, and the circumferential side surfaces of the feeding rollers (6) are in contact with the circumferential side surfaces of the coiling rollers (5).

4. An automatic pressure tank body welding equipment as claimed in claim 3, characterized in that the feed rollers (6) are installed between the welding workbench (1) and the feed table (2), and a gap exists between the two feed rollers (6) and is at the same level with the gap between the upper beam and the lower beam.

5. The automatic pressure tank body welding equipment is characterized in that two limiting plate groups are arranged between two adjacent arc winding groups, each limiting plate group comprises two winding plates (7), and each winding plate (7) is of an arc-shaped plate structure.

6. The automatic pressure tank body welding equipment is characterized in that a hydraulic machine (303) is bolted to one side face of the limiting frame (3), an output shaft of the hydraulic machine (303) penetrates through the limiting frame (3) and extends to a position between the two winding plates (7), and the winding motor (301), the adjusting motor (302) and the hydraulic machine (303) are electrically connected with a controller.