Electroslag welding device for manufacturing box type component

Abstract

The utility model belongs to the technical field of electroslag welding, and discloses an electroslag welding device for manufacturing a box-type component, which comprises a transverse adjusting mechanism, an electroslag trolley body, two forming plates and an electroslag welding mechanism, a vertical adjusting mechanism is arranged on the other side of the electroslag trolley body, a fine adjusting mechanism is arranged below the vertical adjusting mechanism, and the fine adjusting mechanism is arranged below the electroslag trolley body. A machine head control box is fixedly arranged on the upper portion of one side of the electroslag trolley body, a wire reel is arranged on the rear portion of one side of the electroslag trolley body, the machine head control box is arranged in front of the wire reel, and a welding wire pressing hand wheel and a welding wire straightening hand wheel are longitudinally arranged on one side of a fine adjustment mechanism in the electroslag trolley body. According to the electroslag welding device, the speed of a welded part is increased through the electroslag welding technology, the construction progress is accelerated, meanwhile, due to the special technology of the electroslag welding technology, the possibility that air holes and slag inclusion appear in a welding seam is reduced, the purity of the welding seam is improved, and the stability after welding is guaranteed.

Description

Technical Field

[0001] The utility model belongs to the technical field of electroslag welding, and in particular relates to an electroslag welding device for manufacturing box-type components. Background Art

[0002] Steel structures feature advantages such as light weight, high strength, large spans, short construction periods, low investment costs, affordability, and good earthquake resistance. They are widely used in factories, warehouses, restaurants, gymnasiums, and large markets. The main load-bearing components of steel structure factories are made of steel, including steel columns, steel beams, and color-coated steel tile roofs. The steel columns of heavy-duty steel structure factories are usually box-shaped to improve the overall structure's compressive and bending resistance. The partitions of the box-shaped columns require welding during production.

[0003] The existing welding technology is prone to produce slag inclusions and pores during the welding process, which reduces the purity of the weld and affects the strength of the box column. In addition, during the welding process, workers are required to weld one by one, which has low work efficiency and affects the construction progress. Utility Model Content

[0004] The purpose of the present utility model is to provide an electroslag welding device for producing box-type components in order to solve the above problems. Through the electroslag welding technology and the angle position adjustment mechanism in the welding trolley body, the construction speed of the welding workpiece is faster and the weld purity is higher.

[0005] The utility model achieves the above-mentioned purpose through the following technical solutions:

[0006] An electroslag welding device for producing box-type components, comprising: a lateral adjustment mechanism, an electroslag trolley body, two forming plates, and an electroslag welding mechanism; a vertical adjustment mechanism is provided on the other side of the electroslag trolley body; a fine adjustment mechanism is provided below the vertical adjustment mechanism; a machine head control box is fixedly provided on the upper side of one side of the electroslag trolley body; a welding wire reel is provided on the rear side of the electroslag trolley body; and the machine head control box is provided in front of the welding wire reel;

[0007] A welding wire clamping handwheel and a welding wire straightening handwheel are longitudinally provided on one side of the fine-tuning mechanism in the electroslag trolley body, a melting nozzle is provided at the lower side of the fine-tuning mechanism, a crossbeam locking mechanism is provided at the lower front side of the electroslag trolley body, a crossbeam locking mechanism is provided on the front side of the lateral adjustment mechanism, the electroslag trolley body is fixed on the inner side of the lateral adjustment mechanism, a column rotating handle is provided on the upper part of the connection between the lateral adjustment mechanism and the electroslag trolley body, and a fork mechanism is provided on the front side of the lateral adjustment mechanism.

[0008] Furthermore, the electroslag welding mechanism includes a welding groove and two water-cooled forming sliders, and a water outlet pipe and a water inlet pipe are longitudinally provided on the outer side of the water-cooled forming slider.

[0009] Furthermore, a molten metal pool is provided between the two water-cooled forming sliders, a lead-out plate is provided above the water-cooled forming sliders, and a weld is provided below the molten metal pool.

[0010] Furthermore, a welding power source is fixedly provided on one side of the water-cooled forming slider, a conductive rod is provided on the top side of the welding power source, and a wire feeding wheel is provided on one side of the conductive rod body.

[0011] Furthermore, a slag pool is provided above the inner side of the molten metal pool, one side of the conductive rod extends above the slag pool, a first output welding wire is fixedly provided on the side of the conductive rod extending to the slag pool, and a metal droplet is provided below the first output welding wire.

[0012] Furthermore, a side plate is fixedly provided on one side of the forming plate, a pad is provided on the inner side of the forming plate, and a partition is provided on the inner side of the pad.

[0013] Furthermore, arc-closing plates are provided on the top sides of the two forming plates, and the melting nozzle passes through the arc-closing plates and extends to the inner side of the forming plates.

[0014] Furthermore, an arc-starting plate is fixedly provided on the bottom side of the two forming plates, and a second output welding wire is provided at the lower end of the melting nozzle extending to the inner side of the forming plate.

[0015] With the above structure, the staff first adjusts the lateral position of the electroslag trolley body through the lateral adjustment mechanism. After the adjustment is completed, the adjusted electroslag trolley body is fixed by the fork mechanism, and the staff adjusts the angle of the electroslag trolley body by rotating the handle of the column in front of the electroslag trolley body. Finally, the height of the electroslag trolley body is adjusted by the crossbeam locking mechanism, completing the adjustment of the lateral position, direction angle and height of the electroslag trolley body.

[0016] The staff controls and starts the welding wire reel and the nozzle through the machine head control box, and adjusts the height of the nozzle through the vertical adjustment mechanism and the fine adjustment mechanism. During the electroslag welding process, the staff presses and fixes the welding wire by rotating the welding wire clamping handwheel, and straightens the welding wire by the welding wire straightening handwheel so that the second output welding wire is straight enough when it extends to the nozzle. The nozzle carries the second output welding wire through the arc closing plate and extends to the inside of the forming plate to weld the partition. When the width of the partition is small, the partition can be clamped by placing a pad between the forming plate and the partition.

[0017] After the welding power supply in the electroslag welding mechanism is started, the first output welding wire is heated by the conductive rod, so that the first output welding wire is melted into a molten droplet, which falls into the slag pool to form a molten metal droplet, which gradually accumulates into a molten metal pool. The first output welding wire and the filling metal are continuously melted and the molten metal pool is continuously away from the location where the molten metal droplet is formed. The molten metal pool is then continuously cooled and solidified by the water-cooled forming slider, and finally a clearly layered weld is formed.

[0018] In summary, the beneficial effects of the present invention are as follows: when current passes through the slag pool, the resistance heat heats the entire slag pool to a high temperature. The heat source volume is much larger than the welding arc. As long as the appropriate assembly gap is reserved for the workpiece, it can be welded and formed in one go, thereby improving production efficiency.

[0019] Electroslag welding is performed at a vertical or nearly vertical angle, so that during the welding process, the molten metal pool formed by the solidification of the molten metal droplets is always below the slag pool. Impurities and gases have sufficient time to float or overflow the slag pool, reducing the porosity and internal impurities in the weld and improving the purity of the weld. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0021] Figure 1 This is a front view of the welding trolley body of the present utility model;

[0022] Figure 2 It is a side sectional view of the formed plate of the present utility model;

[0023] Figure 3 It is a side sectional view of the partition of the utility model after being clamped by the forming plate;

[0024] Figure 4 It is a side sectional view of the utility model after the backing plate is installed;

[0025] Figure 5 It is a side view of the electroslag welding mechanism of the utility model;

[0026] Figure 6 It is a front view of the electroslag welding mechanism of the utility model.

[0027] The following are the descriptions of the reference numerals:

[0028] 1. Head control box; 2. Wire reel; 3. Fine adjustment mechanism; 4. Vertical adjustment mechanism; 5. Wire pressing hand wheel; 6. Wire straightening hand wheel; 7. Nozzle; 8. Horizontal adjustment mechanism; 9. Column rotation handle; 10. Crossbeam locking mechanism; 11. Fork mechanism; 12. Electroslag welding mechanism; 1201. Water-cooled forming slide; 1202. Metal pool; 1203. Slag pool; 1204. Welding power supply; 12 05. First output welding wire; 1206. Wire feed wheel; 1207. Conductive rod; 1208. Lead-out plate; 1209. Water outlet pipe; 1210. Molten metal droplet; 1211. Water inlet pipe; 1212. Weld seam; 1213. Welding groove; 13. Electroslag trolley body; 14. Arc closing plate; 15. Second output welding wire; 16. Forming plate; 17. Partition plate; 18. Arc starting plate; 19. Side plate; 20. Pad. DETAILED DESCRIPTION

[0029] To make the purpose, technical solution, and advantages of the present invention more clear, the technical solution of the present invention will be described in detail below. Obviously, the embodiments described are only some of the embodiments of the present invention, and not all of them. Based on the embodiments of the present invention, all other implementation methods obtained by ordinary technicians in this field without making any creative efforts are within the scope of protection of the present invention.

[0030] See also Figure 1 As shown, the utility model provides an electroslag welding device for manufacturing box-type components, comprising: a lateral adjustment mechanism 8, an electroslag trolley body 13, two forming plates 16 and an electroslag welding mechanism 12, a vertical adjustment mechanism 4 is provided on the other side of the electroslag trolley body 13, a fine adjustment mechanism 3 is provided below the vertical adjustment mechanism 4, a machine head control box 1 is fixedly provided on one side of the electroslag trolley body 13, a welding wire reel 2 is provided at the rear side of the electroslag trolley body 13, and the machine head control box 1 is provided in front of the welding wire reel 2;

[0031] Using the above technical solution, the vertical adjustment mechanism 4 is used to adjust the longitudinal position of the melting nozzle 7 on one side of the electroslag trolley body 13, and the fine-tuning mechanism 3 cooperates with the vertical adjustment mechanism 4 to fine-tune the height of the melting nozzle 7 to better adapt to different weld sizes. The travel speed of the first output welding wire 1205 is controlled by the head control box 1, and circuit protection is provided to ensure the stability and safety of the welding operation. The wire reel 2 is used to load and feed the welding wire so that the wire can be fed continuously during the welding operation.

[0032] See also Figure 1As shown, a welding wire pressing handwheel 5 and a welding wire straightening handwheel 6 are longitudinally provided on one side of the fine-tuning mechanism 3 in the electroslag trolley body 13, respectively. A melting nozzle 7 is provided at the lower side of the fine-tuning mechanism 3. A crossbeam locking mechanism 10 is provided at the lower front side of the electroslag trolley body 13. A crossbeam locking mechanism 10 is rotatably provided on the front side of the lateral adjustment mechanism 8. The electroslag trolley body 13 is fixed to the inner side of the lateral adjustment mechanism 8. A column rotating handle 9 is provided at the upper part of the connection between the lateral adjustment mechanism 8 and the electroslag trolley body 13. A fork mechanism 11 is provided on the front side of the lateral adjustment mechanism 8.

[0033] When in use, the wire clamping handwheel 5 is an important component of the welding equipment for adjusting the wire clamping force. The wire clamping handwheel 5 is usually used to adjust the pressure of the welding wire on the wire feed roller 1206 to ensure that the welding wire can be smoothly fed without slipping. The wire straightening handwheel 6 is a tool for adjusting the strength of the welding wire straightening. By rotating the handwheel, the position and pressure of the straightening wheel are adjusted to ensure the straightness and flatness of the welding wire during the welding process. The lateral adjustment mechanism 8 is used to adjust the lateral position of the electroslag trolley body 13 to adapt to welding processing at different positions. The fork mechanism 11 causes the electroslag trolley body 13 to reciprocate, facilitating the movement and fixation of the electroslag trolley body 13 on the lateral adjustment mechanism 8, making it easy to adjust the position of the electroslag trolley body 13 and improving the convenience during welding.

[0034] See also Figure 1-Figure 3 As shown, the electroslag welding mechanism 12 includes a welding groove 1213 and two water-cooled forming sliders 1201. The outer side of the water-cooled forming slider 1201 is longitudinally penetrated by a water outlet pipe 1209 and a water inlet pipe 1211. A metal molten pool 1202 is provided between the two water-cooled forming sliders 1201. A lead-out plate 1208 is provided above the water-cooled forming slider 1201. A weld 1212 is provided below the metal molten pool 1202. A fixed A welding power source 1204 is provided with a conductive rod 1207 on the top side of the welding power source 1204, a wire feed roll 1206 is provided on one side of the conductive rod 1207, a slag pool 1203 is provided above the inner side of the molten metal pool 1202, one side of the conductive rod 1207 extends above the slag pool 1203, and a first output welding wire 1205 is fixedly provided on the side of the conductive rod 1207 extending to the slag pool 1203, and a metal droplet 1210 is provided below the first output welding wire 1205;

[0035] Using the above embodiment, after the staff turns on the welding power supply 1204, the conductive rod 1207 allows the current to pass through the liquid slag, generating resistance heat as a heat source, to melt the workpiece to be welded and the first output welding wire 1205, and the molten metal passes through the slag pool 1203 in the form of metal droplets 1210, and gathers at the bottom of the slag pool 1203 to form a metal molten pool 1202. Due to the continuous feeding and melting of the filler metal, the metal molten pool 1202 continues to rise, and the metal at the bottom of the metal molten pool 1202 gradually moves away from the heat source. Under the cooling of the water-cooled forming slider 1201, it gradually solidifies to form a weld 1212. Compared with ordinary welding methods, the weld 1212 produced by electroslag welding has higher purity and faster construction efficiency.

[0036] See also Figure 1-Figure 3 As shown, a side plate 19 is fixedly provided on one side of the forming plate 16, a backing plate 20 is provided on the inner side of the forming plate 16, a partition plate 17 is provided on the inner side of the backing plate 20, an arc-closing plate 14 is provided on the top side of the two forming plates 16, the melting nozzle 7 passes through the arc-closing plate 14 and extends to the inner side of the forming plate 16, an arc-starting plate 18 is fixedly provided on the bottom side of the two forming plates 16, and a second output welding wire 15 is provided at the lower end of the melting nozzle 7 extending to the inner side of the forming plate 16;

[0037] When in use, specifically, the partition 17 is arranged between the forming plates 16, and the side plate 19 seals one side of the forming plate 16. When the size of the partition 17 is small, the position of the partition 17 can be fixed by placing a pad 20 between the forming plate 16 and the partition 17. The arc-ending plate 14 is mainly used to guide and process the arc pit formed during the welding process at the end of welding, and the arc-starting plate 18 is mainly used to guide the start and end of the arc during the welding process to avoid defects at the edges of the butted plates and ensure the consistent strength of the entire weld 1212.

[0038] With the above structure, the staff first adjusts the lateral position of the electroslag trolley body 13 through the lateral adjustment mechanism 8. After the adjustment is completed, the adjusted electroslag trolley body 13 is fixed by the fork mechanism 11. The staff also adjusts the angle of the electroslag trolley body 13 by rotating the column 9 in front of the electroslag trolley body 13. Finally, the height of the electroslag trolley body 13 is adjusted by the crossbeam locking mechanism 10, thereby completing the adjustment of the height lateral position, orientation angle and height of the electroslag trolley body 13.

[0039] The staff controls and starts the welding wire reel 2 and the melting nozzle 7 through the machine head control box 1, and adjusts the height of the melting nozzle 7 through the vertical adjustment mechanism 4 and the fine adjustment mechanism 3. During the electroslag welding process, the staff presses and fixes the welding wire by rotating the welding wire clamping handwheel 5, and straightens the welding wire by the welding wire straightening handwheel 6 so that the second output welding wire 15 is straight enough when it extends to the melting nozzle 7. The second output welding wire 15 is carried by the melting nozzle 7 through the arc closing plate 14 and extends to the inside of the forming plate 16 to weld the partition 17. When the width of the partition 17 is small, the partition 17 can be clamped by placing a pad 20 between the forming plate 16 and the partition 17;

[0040] After the welding power supply 1204 in the electroslag welding mechanism 12 is started, the first output welding wire 1205 is heated by the conductive rod 1207, so that the first output welding wire 1205 melts into a molten droplet, falls into the slag pool 1203 to form an upper metal droplet 1210, and gradually accumulates into a metal molten pool 1202. The first output welding wire 1205 and the filled metal are continuously melted and the metal molten pool 1202 is continuously away from the location where the metal droplet 1210 is formed. Then, the metal molten pool 1202 is continuously cooled and solidified by the water-cooled forming slider 1201, and finally a clearly layered weld 1212 is formed.

[0041] The above description is merely a specific embodiment of the present invention, but the scope of protection of the present invention is not limited thereto. Any modifications or substitutions that can be easily conceived by a person skilled in the art within the technical scope disclosed in the present invention should be included within the scope of protection of the present invention. Therefore, the scope of protection of the present invention should be based on the scope of protection of the claims.

Claims

1. An electroslag welding device for manufacturing box-type components, characterized in that: include: A lateral adjustment mechanism (8), an electroslag trolley body (13), two forming plates (16) and an electroslag welding mechanism (12), wherein a vertical adjustment mechanism (4) is provided on the other side of the electroslag trolley body (13), a fine adjustment mechanism (3) is provided below the vertical adjustment mechanism (4), a machine head control box (1) is fixedly provided on the upper side of one side of the electroslag trolley body (13), a welding wire reel (2) is provided on the rear side of one side of the electroslag trolley body (13), and the machine head control box (1) is provided in front of the welding wire reel (2); A welding wire pressing hand wheel (5) and a welding wire straightening hand wheel (6) are longitudinally provided on one side of the fine-tuning mechanism (3) in the electroslag trolley body (13), a melting nozzle (7) is provided at the lower side of the fine-tuning mechanism (3), a crossbeam locking mechanism (10) is provided at the lower front side of the electroslag trolley body (13), a crossbeam locking mechanism (10) is provided at the front side of the lateral adjustment mechanism (8), the electroslag trolley body (13) is fixed on the inner side of the lateral adjustment mechanism (8), a column rotating handle (9) is provided at the upper side of the connection between the lateral adjustment mechanism (8) and the electroslag trolley body (13), and a fork mechanism (11) is provided at the front side of the lateral adjustment mechanism (8).

2. The electroslag welding device for manufacturing box-type components according to claim 1, characterized in that: The electroslag welding mechanism (12) comprises a welding groove (1213) and two water-cooled forming sliders (1201). A water outlet pipe (1209) and a water inlet pipe (1211) are longitudinally provided on the outer sides of the water-cooled forming sliders (1201).

3. The electroslag welding device for manufacturing box-type components according to claim 2, characterized in that: A molten metal pool (1202) is provided between the two water-cooled forming sliders (1201), a lead-out plate (1208) is provided above the water-cooled forming sliders (1201), and a weld (1212) is provided below the molten metal pool (1202).

4. The electroslag welding device for manufacturing box-type components according to claim 3, characterized in that: A welding power source (1204) is fixedly provided on one side of the water-cooled forming slider (1201), a conductive rod (1207) is provided on the top side of the welding power source (1204), and a wire feeding wheel (1206) is provided on one side of the body of the conductive rod (1207).

5. The electroslag welding device for manufacturing box-type components according to claim 4, characterized in that: A slag pool (1203) is provided above the inner side of the molten metal pool (1202), one side of the conductive rod (1207) extends above the slag pool (1203), a first output welding wire (1205) is fixedly provided on the side of the conductive rod (1207) extending to the slag pool (1203), and a molten metal droplet (1210) is provided below the first output welding wire (1205).

6. The electroslag welding device for manufacturing box-type components according to claim 1, characterized in that: A side plate (19) is fixedly provided on one side of the forming plate (16), a pad (20) is provided on the inner side of the forming plate (16), and a partition plate (17) is provided on the inner side of the pad (20).

7. The electroslag welding device for manufacturing box-type components according to claim 1, characterized in that: Arc-closing plates (14) are provided on the top sides of the two forming plates (16), and the melting nozzle (7) passes through the arc-closing plates (14) and extends to the inside of the forming plates (16).

8. The electroslag welding device for manufacturing box-type components according to claim 1, characterized in that: An arc striking plate (18) is fixedly provided on the bottom side of the two forming plates (16), and a second output welding wire (15) is provided at the lower end of the melting nozzle (7) extending to the inner side of the forming plate (16).

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