Welding device for metal plates

Abstract

The invention relates to the technical field of metal plate welding, in particular to a metal plate welding device which comprises a base, supporting legs, driving mechanisms, a protection assembly, a transverse rod, a sliding sleeve and a welding machine body. The outer side of the welding machine body and the upper portion of the driving mechanism are jointly sleeved with a protection assembly, the upper end face of the base is provided with a containing cavity used for containing the objective table, and a feeding mechanism is installed on one side of the base. Through cooperation of the feeding mechanism, the first welding table and the second welding table, feeding operation can be conveniently conducted on the device, meanwhile, according to different machining requirements, the first welding table or the second welding table can be flexibly replaced on the upper end face of the objective table, and when a driving mechanism is operated, a protection assembly can be driven to move; the kinetic energy of the first motor can be fully utilized, the purpose of saving energy is achieved, the structure has the advantage of being easy to operate, and then the practicability of the device can be improved.

Description

Technical Field

[0001] The invention relates to the technical field of metal plate welding, and in particular to a metal plate welding device. Background Art

[0002] Metal sheets are a very common material in industry, construction and manufacturing. There are many types of metal sheets, including aluminum sheets, steel sheets, titanium alloy sheets, copper sheets, nickel sheets, zinc sheets, magnesium sheets, etc. Different types of sheets have different characteristics and uses. Choosing the right material can better meet the needs of various industries.

[0003] Aluminum plate: Aluminum plate has the characteristics of light weight, corrosion resistance, good thermal conductivity, high recyclability, etc., and is widely used in transportation, construction, furniture, aerospace and other fields. Steel plate: Steel plate is a metal plate with high hardness and high strength, suitable for construction, manufacturing, automobile and other fields. Titanium alloy plate: Titanium alloy plate is widely used in aviation, aerospace, medical equipment and other fields due to its lightweight, high strength, corrosion resistance, and excellent high temperature performance. Copper plate: Copper plate has good electrical conductivity, thermal conductivity and corrosion resistance, and is widely used in electronics, electrical and other fields. Nickel plate: Nickel plate has the characteristics of high temperature performance, corrosion resistance and magnetism, and is widely used in manufacturing, aerospace and other fields. Zinc plate: Zinc plate is often used in construction, furniture and other fields, and has good corrosion resistance and weather resistance. Magnesium plate: Magnesium plate is lightweight, high strength, good corrosion resistance and processability, and is widely used in aviation, automobile, electronics and other fields.

[0004] When processing metal plates, a laser welding machine is required. Existing laser welding machines are usually directly exposed to the outside, lack protective mechanisms, are easily touched by mistake, and when the laser welding machine is working, the debris generated by welding is easy to splash, thus posing a safety hazard. At the same time, the welding table of the laser welding machine in the prior art is usually fixedly installed, and the welding table of the laser welding machine cannot be replaced, so there are limitations in its use.

[0005] To this end, we propose a welding device for metal sheets. Summary of the invention

[0006] The main purpose of the present invention is to provide a welding device for metal plates. Through the cooperation of a feeding mechanism, a first welding table and a second welding table, it is convenient to perform feeding operations on the device. At the same time, through the coordinated use of the first welding table, the second welding table and the loading table, the device can flexibly replace the first welding table or the second welding table on the end surface of the loading table according to different processing requirements. When operating the driving mechanism, it can also drive the movement of the protection component, and the kinetic energy of the first motor can be fully utilized to achieve the purpose of energy saving. At the same time, the above structure has the advantage of simple operation, thereby improving the practicality of the device and effectively solving the problems in the background technology.

[0007] To achieve the above object, the technical solution adopted by the present invention is:

[0008] A welding device for metal plates, comprising a base, legs, a driving mechanism, a protection component, a cross bar, a sliding sleeve and a welding machine body, wherein the welding machine body is arranged above the base, the base is a horizontally arranged rectangular plate-shaped structure, legs are fixedly installed at the four corners of the lower end surface of the base, driving mechanisms for installing the cross bar are arranged at both ends of the upper end surface of the base, the two ends of the cross bar are slidably connected with the driving mechanism, the outer side of the welding machine body and the upper part of the driving mechanism are jointly sleeved with a protection component, the protection component is connected to the base through a support plate, the upper end surface of the base is provided with a storage cavity for storing a stage, and a feeding mechanism is installed on one side of the base;

[0009] The protection assembly includes a first protection cover, a second protection cover and a movable door, the first protection cover is sleeved on the upper outer part of the second protection cover, an operation port is provided in the middle of one side of the second protection cover close to the feeding mechanism, and two sets of movable doors arranged oppositely are rotatably connected to the inner walls at both ends of the operation port;

[0010] The driving mechanism comprises a column, an assembly plate, a driving rod, a sliding rod, a first threaded rod and a first motor, wherein two groups of columns are relatively parallel, and assembly plates are vertically welded at the lower parts of both ends of the columns, and the assembly plates are fixedly connected to the top of the base through a second bolt, and the cross bar is located between the two groups of columns, and a first slide groove for installing the first threaded rod is provided in the middle of one side of the column close to the cross bar, and both ends of the cross bar are located in the first slide groove and sleeved on the first threaded rod, and a second slide groove for installing the driving rod is provided on the side of the column away from the first slide groove, and one end of the driving rod is fixedly connected to one end of the cross bar, and the bottom end of the driving rod is fixedly connected to one end of the upper end surface of the sliding rod;

[0011] The stage is a horizontally arranged rectangular plate-shaped structure, and a slide bar is vertically connected to the center of both ends of the stage. An embedding groove for installing the first welding stage and the second welding stage is provided on the upper end surface of the stage, and slideways for the slide bar to pass through are provided at both ends of the upper end surface of the base. A limit piece for limiting the position of the metal sheet is provided on the upper end surface of the first welding stage, and two groups of the limit pieces are relatively parallel. A limit groove adapted to the feeding plate is provided on the side of the first welding stage close to the feeding mechanism;

[0012] A sliding sleeve is mounted on the cross bar, and a welding machine body capable of reciprocating forward and backward movement is mounted on one side of the sliding sleeve. Slots for mounting brackets are provided at both ends of the top of the cross bar. Two groups of brackets are relatively parallel, and both ends of the brackets are connected to the upper inner walls on both sides of the second protective cover.

[0013] By adopting the above technical scheme, the loading operation of the device is facilitated by the cooperation of the feeding mechanism, the first welding table and the second welding table. At the same time, by the cooperation of the first welding table, the second welding table and the loading table, the device can flexibly replace the first welding table or the second welding table on the end surface of the loading table according to different processing requirements, thereby solving the problem that the welding table of the laser welding machine in the prior art cannot be replaced. The design of the protection component can improve the safety of the welding device. The protection component can form a relatively closed protection cavity above the base, and the metal sheet workpiece is welded in the protection cavity, thereby avoiding the splashing of debris during the welding of the metal sheet workpiece; at the same time, the protection component can also protect the parts on the welding device. The outer side of the welding machine body and the top of the driving mechanism are jointly sleeved with the protection component, thereby avoiding the direct contact of the object with the welding device, thereby achieving the purpose of protecting it. When an object falls from above the welding device, it will first contact with the buffer strip at the top of the first protective cover, and the buffer strip can release the impact force generated when the object falls, thereby protecting the welding device.

[0014] Specifically, the first welding table and the second welding table are both located below the welding machine body, the lower parts of both sides of the loading platform are fixedly connected with slide bars, the center of both sides of the storage cavity is provided with positioning grooves adapted to the slide bars, and the slide bars and positioning grooves are arranged in two groups opposite to each other.

[0015] Specifically, a buckle groove for taking the first welding table and the second welding table is provided on the upper end surface of the loading platform, and the four corners of the first welding table and the second welding table are fixedly connected to the upper end surface of the loading platform by self-tapping screws.

[0016] Specifically, the column is located directly above the first slide slot and is provided with a cavity for installing the first motor, and the top end of the first threaded rod passes through the inner wall of the top end of the first slide slot and is connected to the output shaft at the bottom end of the first motor.

[0017] Specifically, the first slide groove is communicated with the second slide groove, the bottom end of the first threaded rod is rotatably connected to the inner wall of the bottom end of the first slide groove, and the first threaded rod is threadedly matched with both ends of the cross bar.

[0018] Specifically, the feeding mechanism includes a feeding plate, an installation box, a push rod, a second motor, a movable plate and a second threaded rod. A baffle is provided on the lower part of the installation box close to the base, and the baffle is fixedly connected to the bottom end of the base by a third bolt. One side of the feeding plate is respectively clamped with one side of the first welding table and the second welding table.

[0019] Specifically, the bottom end of the second motor is fixedly connected to the inner wall of the bottom end of the installation box, the top end of the second threaded rod is rotatably connected to the inner wall of the top end of the installation box, the bottom end of the second threaded rod is connected to the output shaft of the top end of the second motor, the movable plate is sleeved on the second threaded rod, and a push rod is vertically inserted into the upper end surface of the movable plate, and the top end of the push rod passes through the installation box and is vertically inserted into the lower end surface of the loading plate.

[0020] By adopting the above technical solution, the first motor drives the first threaded rod to rotate, and the first threaded rod cooperates with the thread of the cross bar, so that the cross bar can drive the welding machine body to move downward, and the cross bar can also synchronously drive the driving rod to move downward, and the driving rod synchronously pushes the sliding rod downward, and the sliding rod can push the first welding table or the second welding table located on the loading platform into the storage cavity located in the base, and then can push the metal sheet workpiece located on the first welding table or the second welding table into the storage cavity, and the welding machine body welds the metal sheet workpiece; when the driving rod follows the cross bar to move downward, the bracket at the top of the cross bar can pull the second protective cover downward from the first protective cover, and the first protective cover is buckled on the top of the base, so that a relatively closed protective cavity can be formed above the base.

[0021] Specifically, the cross bar is provided with a third sliding groove for installing the third threaded rod on one side close to the welding machine body, the inner wall of the sliding sleeve is fixedly connected with a moving block at the position of the third sliding groove, the moving block is sleeved on the third threaded rod and threadably matched with the third threaded rod, and a third motor connected to one end of the third threaded rod is provided inside one end of the cross bar.

[0022] Specifically, support plates are fixedly connected at both ends of both sides of the base by first bolts, four support plates are relatively parallel, the top of the support plate is fixedly connected to the lower parts of both sides of the first protective cover by first bolts, and multiple relatively parallel buffer strips are fixedly glued to the top of the first protective cover.

[0023] Beneficial effects of the present invention:

[0024] (1) The metal sheet welding device described in the present invention facilitates the loading operation of the device through the cooperation of the feeding mechanism, the first welding table and the second welding table. At the same time, through the cooperation of the first welding table, the second welding table and the loading table, the device can flexibly replace the first welding table or the second welding table on the end surface of the loading table according to different processing requirements, thereby solving the problem that the welding table of the laser welding machine in the prior art cannot be replaced. The design of the protection component can improve the safety of the welding device. The protection component can form a relatively closed protection cavity above the base. The metal sheet workpiece is welded in the protection cavity, thereby preventing the debris from splashing out during the welding of the metal sheet workpiece; at the same time, the protection component can also protect the parts on the welding device. The outer side of the welding machine body and the top of the driving mechanism are jointly sleeved with the protection component, thereby preventing the object from directly contacting the welding device and achieving the purpose of protecting it. When an object falls from the top of the welding device, it will first contact the buffer strip at the top of the first protective cover. The buffer strip can release the impact force generated when the object falls, thereby further protecting the top of the welding device.

[0025] (2) The metal sheet welding device described in the present invention can drive the protection component to move when the driving mechanism is operated, so that the kinetic energy of the first motor can be fully utilized to achieve the purpose of energy saving. At the same time, it has the advantage of simple operation, thereby improving the practicality of the device;

[0026] The first motor drives the first threaded rod to rotate, and the first threaded rod cooperates with the thread of the cross bar, so that the cross bar can drive the welding machine body to move downward. At the same time, the cross bar can also synchronously drive the driving rod to move downward, and the driving rod synchronously pushes the sliding rod downward. The sliding rod can push the first welding table or the second welding table located on the loading platform into the storage cavity located in the base, and then can push the metal sheet workpiece located on the first welding table or the second welding table into the storage cavity, and the welding machine body welds the metal sheet workpiece; when the driving rod follows the cross bar to move downward, the bracket at the top of the cross bar can pull the second protective cover downward from the first protective cover, and the first protective cover is buckled on the top of the base, so that a relatively closed protective cavity can be formed above the base. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] The present invention is further described below in conjunction with the accompanying drawings and embodiments.

[0028] Figure 1 It is a structural schematic diagram of the present invention;

[0029] Figure 2 is a three-dimensional diagram of a second protective cover of the present invention;

[0030] Figure 3 A three-dimensional diagram of a first protective cover of the present invention;

[0031] Figure 4 A three-dimensional diagram of the support of the present invention;

[0032] Figure 5 A perspective view of a crossbar of the present invention;

[0033] Figure 6 A three-dimensional diagram of the base of the present invention;

[0034] Figure 7 It is a schematic diagram of the internal structure of the column of the present invention;

[0035] Figure 8 A three-dimensional diagram of the stage of the present invention;

[0036] Fig. 9 A three-dimensional diagram of a first welding station of the present invention;

[0037] Fig.10 It is a three-dimensional diagram of the feeding mechanism of the present invention;

[0038] Fig.11 It is a schematic diagram of the internal structure of the installation box of the present invention;

[0039] In the figure: 1, base; 2, legs; 3, drive mechanism; 4, protection assembly; 5, first protection cover; 6, second protection cover; 7, column; 8, slide; 9, feeding mechanism; 10, support plate; 11, first bolt; 12, buffer strip; 13, assembly plate; 14, first welding table; 15, feeding plate; 16, installation box; 17, drive rod; 18, slide rod; 19, second welding table; 20, loading table; 21, embedding slot; 22, welding machine body; 23, Bracket; 24, first threaded rod; 25, first slide groove; 26, cross bar; 27, storage cavity; 28, buckle groove; 29, slide bar; 30, second slide groove; 31, limit groove; 32, limit member; 33, push rod; 34, baffle; 35, second motor; 36, movable plate; 37, second threaded rod; 38, cavity; 39, first motor; 40, sliding sleeve; 41, third slide groove; 42, third threaded rod; 43, moving block; 44, operation port; 45, movable door. DETAILED DESCRIPTION

[0040] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further explained below in conjunction with specific implementation methods.

[0041] As an embodiment of the present invention, Figure 1-Figure 11As shown, a metal sheet welding device described in the present invention comprises a base 1, legs 2, a driving mechanism 3, a protection component 4, a cross bar 26, a sliding sleeve 40 and a welding machine body 22, wherein the welding machine body 22 is arranged above the base 1, the base 1 is a horizontally arranged rectangular plate-shaped structure, legs 2 are fixedly installed at the four corners of the lower end surface of the base 1, driving mechanisms 3 for installing the cross bar 26 are arranged at both ends of the upper end surface of the base 1, and the two ends of the cross bar 26 are slidably connected with the driving mechanism 3, the outer side of the welding machine body 22 and the upper part of the driving mechanism 3 are jointly sleeved with a protection component 4, the protection component 4 is connected to the base 1 through a support plate 10, the upper end surface of the base 1 is provided with a storage cavity 27 for storing the stage 20, and a feeding mechanism 9 is installed on one side of the base 1;

[0042] The protection assembly 4 includes a first protection cover 5, a second protection cover 6 and a movable door 45.

[0043] The driving mechanism 3 includes a column 7, an assembly plate 13, a driving rod 17, a sliding rod 18, a first threaded rod 24 and a first motor 39. The column 7 is provided with two groups relatively parallel to each other. The lower parts of both ends of the column 7 are vertically welded with an assembly plate 13. The assembly plate 13 is fixedly connected to the top of the base 1 by a second bolt. The cross bar 26 is located between the two groups of the columns 7. A first slide groove 25 for installing the first threaded rod 24 is provided in the center of the column 7 close to the cross bar 26. Both ends of the cross bar 26 are located in the first slide groove 25 and are sleeved on the first threaded rod 24. A second slide groove 30 for installing the driving rod 17 is provided on the side of the column 7 away from the first slide groove 25. One end of the driving rod 17 is fixedly connected to one end of the cross bar 26, and the bottom end of the driving rod 17 is fixedly connected to one end of the upper end surface of the sliding rod 18.

[0044] The stage 20 is a horizontally arranged rectangular plate-shaped structure, and the slide bars 18 are vertically connected to the center of both ends of the stage 20. The upper end surface of the stage 20 is provided with an embedding groove 21 for installing the first welding stage 14 and the second welding stage 19. The upper end surface of the base 1 is provided with a slideway 8 for the slide bar 18 to pass through. The upper end surface of the first welding stage 14 is provided with a limiter 32 for limiting the position of the metal plate. The limiter 32 is provided with two groups relatively parallel. The first welding stage 14 is provided with a limiter groove 31 adapted to the feeding plate 15 on the side close to the feeding mechanism 9;

[0045] The cross bar 26 is sleeved with a sliding sleeve 40, and a welding machine body 22 capable of reciprocating forward and backward is installed on one side of the sliding sleeve 40 (the welding machine body 22 is a welding device in the prior art, and the working principle is not described here), and a slot for installing a bracket 23 is provided at both ends of the top of the cross bar 26, and two groups of the brackets 23 are relatively parallel, and both ends of the brackets 23 are connected to the upper parts of the inner walls on both sides of the second protective cover 6;

[0046] The base 1 is fixedly connected with support plates 10 at both ends by first bolts 11. Four support plates 10 are provided in parallel with each other. The top of the support plate 10 is fixedly connected with the lower parts of both sides of the first protective cover 5 by first bolts 11. The top of the first protective cover 5 is fixedly glued with a plurality of buffer strips 12 arranged in parallel with each other.

[0047] The cross bar 26 is provided with a third slide groove 41 for installing a third threaded rod 42 on one side close to the welding machine body 22, and the inner wall of the sliding sleeve 40 is fixedly connected with a moving block 43 at the position of the third slide groove 41. The moving block 43 is sleeved on the third threaded rod 42 and threadably matched with the third threaded rod 42. A third motor connected to one end of the third threaded rod 42 is provided inside one end of the cross bar 26.

[0048] When in use, the metal sheet workpiece that needs to be welded is placed on the upper end surface of the loading plate 15, and the metal sheet workpiece is pushed from the loading plate 15 to the first welding table 14 or the second welding table 19, and the metal sheet workpiece is fixed on the first welding table 14 or the second welding table 19, and the metal sheet workpiece is located below the welding machine body 22, and then the first motor 39 drives the first threaded rod 24 to rotate, and the first threaded rod 24 cooperates with the thread of the cross bar 26, so that the cross bar 26 can drive the welding machine body 22 to move downward, and at the same time, the cross bar 26 can also synchronously drive the driving rod 17 to move downward, and the driving rod 17 synchronously pushes the sliding rod 18 downward, and the sliding rod 18 can move the first threaded rod 24 on the stage 20. A welding table 14 or a second welding table 19 is pushed into the storage cavity 27 in the base 1, and then the metal sheet workpiece on the first welding table 14 or the second welding table 19 can be pushed into the storage cavity 27, and the welding machine body 22 welds the metal sheet workpiece; when the driving rod 17 follows the cross bar 26 to move downward, the bracket 23 at the top of the cross bar 26 can pull the second protective cover 6 downward from the first protective cover 5, and the first protective cover 5 is buckled on the top of the base 1, so that a relatively closed protective cavity can be formed above the base 1, and the metal sheet workpiece is welded in the protective cavity, so that the debris splashing out during the welding of the metal sheet workpiece can be avoided, thereby improving the safety of the welding device;

[0049] As an embodiment of the present invention, Figure 1 , Figure 2 and Figure 3As shown, the present invention also includes that the first welding table 14 and the second welding table 19 are both located below the welding machine body 22, and the lower parts of both sides of the loading platform 20 are fixedly connected with slide bars 29, and the center of both sides of the storage cavity 27 is provided with positioning grooves adapted to the slide bars 29, and the slide bars 29 and the positioning grooves are relatively provided with two groups; the upper end surface of the loading platform 20 is provided with a buckle groove 28 for taking the first welding table 14 and the second welding table 19, and the four corners of the first welding table 14 and the second welding table 19 are fixedly connected to the upper end surface of the loading platform 20 by self-tapping screws.

[0050] When in use, select the corresponding first welding platform 14 or second welding platform 19, embed the first welding platform 14 or the second welding platform 19 into the embedding groove 21 located on the upper end surface of the loading platform 20, and then fix the first welding platform 14 and the second welding platform 19 to the upper end surface of the loading platform 20 at the four corners by self-tapping screws.

[0051] As an embodiment of the present invention, Figure 4 , Figure 5 , Figure 6 and Figure 7 As shown, the present invention also includes that the column 7 is located directly above the first slide groove 25 and is provided with a cavity 38 for installing the first motor 39, and the top end of the first threaded rod 24 passes through the inner wall of the top end of the first slide groove 25 and is connected to the output shaft of the bottom end of the first motor 39; the first slide groove 25 is connected to the second slide groove 30, and the bottom end of the first threaded rod 24 is rotatably connected to the inner wall of the bottom end of the first slide groove 25, and the first threaded rod 24 is threadedly matched with both ends of the cross bar 26.

[0052] When in use, a loading mechanism 9 is installed on one side of the base 1, and the second motor 35 drives the second threaded rod 37 to rotate. The second threaded rod 37 cooperates with the thread of the movable plate 36, so that the movable plate 36 can move downward. The movable plate 36 can drive the loading plate 15 to move downward through the push rod 33 until one side of the loading plate 15 is clamped with one side of the first welding table 14 or the second welding table 19, and the upper end surface of the loading plate 15 is on the same horizontal plane as the upper end surface of the first welding table 14 or the second welding table 19.

[0053] As an embodiment of the present invention, Fig.10 , Fig.11As shown, the present invention also includes that the feeding mechanism 9 includes a feeding plate 15, an installation box 16, a push rod 33, a second motor 35, a movable plate 36 and a second threaded rod 37; the installation box 16 is provided with a baffle 34 at the lower part close to the base 1, and the baffle 34 is fixedly connected to the bottom end of the base 1 by a third bolt; one side of the feeding plate 15 is respectively clamped with one side of the first welding table 14 and the second welding table 19; the bottom end of the second motor 35 is fixedly connected to the inner wall of the bottom end of the installation box 16, the top end of the second threaded rod 37 is rotatably connected to the inner wall of the top end of the installation box 16, the bottom end of the second threaded rod 37 is connected to the output shaft of the top end of the second motor 35, the movable plate 36 is sleeved on the second threaded rod 37, and the upper end surface of the movable plate 36 is vertically inserted with a push rod 33, and the top end of the push rod 33 passes through the installation box 16 and is vertically inserted into the lower end surface of the feeding plate 15.

[0054] Before using the metal sheet welding device, first install a protection component 4 on the outside of the welding machine body 22 and above the driving mechanism 3, the protection component 4 is connected to the base 1 through a support plate 10, the two ends of both sides of the base 1 are fixedly connected with the support plate 10 through the first bolts 11, the top of the support plate 10 is fixedly connected to the lower parts of both sides of the first protective cover 5 through the first bolts 11, the top of the first protective cover 5 is fixedly glued with a plurality of relatively parallel buffer strips 12, the upper part of the outer side of the second protective cover 6 is sleeved with the first protective cover 5, and two sets of relatively arranged movable doors 45 are installed in the operating port 44 at the center of the second protective cover 6 near the feeding mechanism 9, and the movable doors 45 can be rotated and pulled open;

[0055] Then, according to the use requirements, the corresponding first welding table 14 or second welding table 19 is selected, and the first welding table 14 or the second welding table 19 is embedded in the embedding groove 21 located on the upper end surface of the loading table 20, and then the four corners of the first welding table 14 and the second welding table 19 are fixedly connected to the upper end surface of the loading table 20 by self-tapping screws, and then the feeding mechanism 9 is installed on one side of the base 1, and the second motor 35 drives the second threaded rod 37 to rotate, and the second threaded rod 37 cooperates with the thread of the movable plate 36, so that the movable plate 36 can move downward, and the movable plate 36 can drive the feeding plate 15 to move downward through the push rod 33, until one side of the feeding plate 15 is clamped with one side of the first welding table 14 or the second welding table 19, and the upper end surface of the feeding plate 15 and the upper end surface of the first welding table 14 or the second welding table 19 are located in the same horizontal plane;

[0056] Then, the metal sheet workpiece to be welded is placed on the upper end surface of the loading plate 15, and the metal sheet workpiece is pushed from the loading plate 15 to the first welding table 14 or the second welding table 19, and the metal sheet workpiece is fixed on the first welding table 14 or the second welding table 19, and the metal sheet workpiece is located below the welding machine body 22, and then the first motor 39 drives the first threaded rod 24 to rotate, and the first threaded rod 24 cooperates with the thread of the cross bar 26, so that the cross bar 26 can drive the welding machine body 22 to move downward, and at the same time, the cross bar 26 can also synchronously drive the driving rod 17 to move downward, and the driving rod 17 synchronously pushes the sliding rod 18 downward, and the sliding rod 18 can push the first welding table 14 or the second welding table 19 located on the stage 20 into the storage cavity 27 located in the base 1, and then the metal sheet workpiece located on the first welding table 14 or the second welding table 19 can be pushed into the storage cavity 27, and the welding machine body 22 welds the metal sheet workpiece;

[0057] When the driving rod 17 follows the cross bar 26 to move downward, the bracket 23 at the top of the cross bar 26 can pull the second protective cover 6 downward out of the first protective cover 5, and the first protective cover 5 is buckled on the top of the base 1, so that a relatively closed protective cavity can be formed above the base 1, and the metal sheet workpiece is welded in the protective cavity, so that the debris of the metal sheet workpiece can be prevented from splashing out during welding, thereby improving the safety of the welding device;

[0058] After the metal sheet workpiece is welded, the metal sheet workpiece in the protective cavity can be operated or taken out through the operation port 44, so that the welding device has the advantage of being easy to use.

[0059] The above shows and describes the basic principles, main features and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited to the above embodiments. The above embodiments and descriptions are only for explaining the principles of the present invention. Without departing from the spirit and scope of the present invention, the present invention may have various changes and improvements, which fall within the scope of the present invention. The scope of the present invention is defined by the attached claims and their equivalents.

Claims

1. A welding device for metal sheets, characterized in that: The invention comprises a base (1), legs (2), a driving mechanism (3), a protective component (4), a cross bar (26), a sliding sleeve (40) and a welding machine body (22); a welding machine body (22) is arranged above the base (1); the base (1) is a horizontally arranged rectangular plate-shaped structure; legs (2) are fixedly installed at the four corners of the lower end surface of the base (1); a driving mechanism (3) for installing the cross bar (26) is arranged at both ends of the upper end surface of the base (1); the two ends of the cross bar (26) are slidably connected to the driving mechanism (3); a protective component (4) is commonly sleeved on the outer side of the welding machine body (22) and above the driving mechanism (3); the protective component (4) is connected to the base (1) through a supporting plate (10); a storage cavity (27) for storing a loading platform (20) is arranged on the upper end surface of the base (1); a feeding mechanism (9) is installed on one side of the base (1); The protection assembly (4) comprises a first protection cover (5), a second protection cover (6) and a movable door (45); the first protection cover (5) is sleeved on the upper outer portion of the second protection cover (6); an operation opening (44) is provided at the center of one side of the second protection cover (6) close to the feeding mechanism (9); and two sets of movable doors (45) arranged opposite to each other are rotatably connected to the inner walls at both ends of the operation opening (44); The driving mechanism (3) comprises a column (7), an assembly plate (13), a driving rod (17), a sliding rod (18), a first threaded rod (24) and a first motor (39). The column (7) is provided with two groups relatively parallel to each other. The lower parts of both ends of the column (7) are vertically welded with an assembly plate (13). The assembly plate (13) is fixedly connected to the top of the base (1) by a second bolt. The cross bar (26) is located between the two groups of the columns (7). The column (7) is close to the cross bar (2 6) A first slide groove (25) for installing a first threaded rod (24) is provided at the center of one side, both ends of the cross rod (26) are located in the first slide groove (25) and are sleeved on the first threaded rod (24), and a second slide groove (30) for installing a driving rod (17) is provided on the side of the column (7) away from the first slide groove (25), one end of the driving rod (17) is fixedly connected to one end of the cross rod (26), and the bottom end of the driving rod (17) is fixedly connected to one end of the upper end surface of the sliding rod (18); The loading platform (20) is a horizontally arranged rectangular plate-shaped structure, and a slide bar (18) is vertically connected to the center of both ends of the loading platform (20). The upper end surface of the loading platform (20) is provided with an embedding groove (21) for installing the first welding platform (14) and the second welding platform (19). The upper end surface of the base (1) is provided with a slideway (8) for the slide bar (18) to pass through at both ends. The upper end surface of the first welding platform (14) is provided with a limit piece (32) for limiting the position of the metal plate. The limit piece (32) is provided in two groups relatively parallel. The first welding platform (14) is provided with a limit groove (31) adapted to the loading plate (15) on the side close to the loading mechanism (9); A sliding sleeve (40) is sleeved on the cross bar (26), and a welding machine body (22) capable of reciprocating forward and backward movement is installed on one side of the sliding sleeve (40). Slots for installing brackets (23) are provided at both ends of the top of the cross bar (26). Two groups of brackets (23) are relatively parallel, and both ends of the brackets (23) are connected to the upper parts of the inner walls on both sides of the second protective cover (6).

2. A metal sheet welding device according to claim 1, characterized in that: The first welding platform (14) and the second welding platform (19) are both located below the welding machine body (22); the lower parts of both sides of the loading platform (20) are fixedly connected with slide bars (29); the center of both sides of the storage cavity (27) are provided with positioning grooves adapted to the slide bars (29); and the slide bars (29) and the positioning grooves are provided in two groups opposite to each other.

3. A metal sheet welding device according to claim 2, characterized in that: The upper end surface of the loading platform (20) is provided with a buckle groove (28) for taking the first welding platform (14) and the second welding platform (19), and the four corners of the first welding platform (14) and the second welding platform (19) are fixedly connected to the upper end surface of the loading platform (20) by self-tapping screws.

4. A metal sheet welding device according to claim 1, characterized in that: The column (7) is located directly above the first slide groove (25) and is provided with a cavity (38) for installing the first motor (39). The top end of the first threaded rod (24) passes through the inner wall of the top end of the first slide groove (25) and is connected to the output shaft at the bottom end of the first motor (39).

5. A metal sheet welding device according to claim 4, characterized in that: The first slide groove (25) is connected to the second slide groove (30), the bottom end of the first threaded rod (24) is rotatably connected to the inner wall of the bottom end of the first slide groove (25), and the first threaded rod (24) and the cross rod (26) are threadedly matched at both ends.

6. The metal sheet welding device according to claim 1, characterized in that: The feeding mechanism (9) comprises a feeding plate (15), an installation box (16), a push rod (33), a second motor (35), a movable plate (36) and a second threaded rod (37); a baffle (34) is provided at the lower part of the installation box (16) close to the base (1); the baffle (34) is fixedly connected to the bottom end of the base (1) by a third bolt; one side of the feeding plate (15) is respectively clamped with one side of the first welding platform (14) and the second welding platform (19).

7. A metal sheet welding device according to claim 6, characterized in that: The bottom end of the second motor (35) is fixedly connected to the inner wall of the bottom end of the installation box (16), the top end of the second threaded rod (37) is rotatably connected to the inner wall of the top end of the installation box (16), the bottom end of the second threaded rod (37) is connected to the output shaft of the top end of the second motor (35), the movable plate (36) is sleeved on the second threaded rod (37), the upper end surface of the movable plate (36) is vertically inserted with a push rod (33), and the top end of the push rod (33) passes through the installation box (16) and is vertically inserted into the lower end surface of the loading plate (15).

8. The metal sheet welding device according to claim 1, characterized in that: The cross bar (26) is provided with a third slide groove (41) for installing a third threaded rod (42) on one side close to the welding machine body (22); the inner wall of the sliding sleeve (40) is located at the position of the third slide groove (41) and is fixedly connected with a moving block (43); the moving block (43) is sleeved on the third threaded rod (42) and threadably matched with the third threaded rod (42); a third motor connected to one end of the third threaded rod (42) is provided inside one end of the cross bar (26).

9. The metal sheet welding device according to claim 1, characterized in that: Support plates (10) are fixedly connected at both ends of both sides of the base (1) by means of first bolts (11); four support plates (10) are provided in parallel with each other; the top of the support plate (10) is fixedly connected to the lower parts of both sides of the first protective cover (5) by means of first bolts (11); and a plurality of buffer strips (12) arranged in parallel with each other are fixedly glued to the top of the first protective cover (5).

Images