Steel casting structure welding device

By designing a steel casting structure welding device, the problems of single function of the welding device and cracks in steel castings after welding were solved, effective impurity removal and temperature control were achieved, and welding quality and efficiency were improved.

CN118768809BActive Publication Date: 2025-09-26SHANGHAI WAIGAOQIAO SHIP BUILDING CO LTD
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Patent Information

Application Number
CN202411115727.4
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2024-08-14
Publication Date
2025-09-26
Estimated Expiration
2044-08-14

AI Technical Summary

Technical Problem

The existing welding devices have a single function and are difficult to effectively remove impurities on the surface of cast steel components. In addition, cracks are easily generated in the cast steel components after welding.

Method used

A steel casting structure welding device was designed, which includes a fixing mechanism, a driving mechanism, a chip removal mechanism and a collection mechanism. Impurities on the surface of the steel casting are removed through clamping, rotation and chip removal functions. A temperature treatment box is used to control the temperature change of the steel casting after welding to prevent cracks.

Benefits of technology

It realizes effective clamping and welding of steel castings, removes surface impurities, and avoids cracks in steel castings after welding by controlling temperature, thereby improving welding quality and efficiency.

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Abstract

The present invention discloses a steel casting structure welding device, comprising a processing box, the top of the processing box is provided with an opening, the side wall of the processing box is provided with a fixing mechanism, the side wall of the processing box is provided with a driving mechanism, a limiting mechanism is installed on the driving mechanism, the outer wall of the processing box is provided with a chip removal mechanism, and the bottom end of the side wall of the processing box is provided with a collecting mechanism, the fixing mechanism comprises a turntable, an adjusting screw, a guide rod, a support plate, a lifting screw, a round rod and a pressure plate; the driving member is started, the driving member drives the rotating shaft to rotate, the rotating shaft drives the conveying member to rotate, the conveying member drives the two turntables to rotate synchronously, the turntable drives the guide rod and the adjusting screw to rotate, the guide rod and the adjusting screw drive the support plate to rotate, thereby synchronously driving the two steel casting bodies to rotate, so that impurities on the surface of the steel casting body are thrown out, and the impurities slide into the inlet hole along the inclined surface of the guide inclined plate, and then flow into the collection box.
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Description

Technical Field

[0001] The invention relates to the field of welding devices, in particular to a welding device for a cast steel structure. Background Art

[0002] Welding, also known as fusion, is a manufacturing process and technology that uses heat, high temperature, or high pressure to join metals or other thermoplastic materials, such as plastics. Modern welding uses a variety of energy sources, including gas flame, arc, laser, electron beam, friction, and ultrasonic. Besides being used in factories, welding can also be performed in a variety of environments, such as in the field, underwater, and in space.

[0003] Cast steel components refer to composite steel structure components that can bear and transfer loads and are made of steel plates, angle steels, channel steels, I-beams, welded or hot-rolled H-shaped steels that are cold-bent or welded through connectors. The steel component system has comprehensive advantages such as light weight, quick installation, and good seismic performance. Steel components require welding during processing.

[0004] The existing welding device generally provides a clamping mechanism to clamp two cast steel components, and then uses a welding gun to weld the two cast steel components. However, the impurities after welding the two cast steel components cannot be removed well. In order to prevent cracks in the cast steel components, the cast steel components are subjected to thermal dehydrogenation treatment. Before the thermal dehydrogenation treatment, the weld needs to be dehydrogenated to remove impurities on the surface of the cast steel components. Therefore, the function of such a welding device is relatively single. Therefore, a cast steel structure welding device is needed to increase the function of the welding device and meet the above requirements. Summary of the Invention

[0005] The purpose of the present invention is to overcome the defect of a single function of a welding device and to provide a steel casting structure welding device.

[0006] The technical solution to achieve the above-mentioned purpose is: a cast steel structure welding device, including a processing box, the top of the processing box is provided with an opening, the side wall of the processing box is provided with a fixing mechanism, the side wall of the processing box is provided with a driving mechanism, the driving mechanism is installed with a limiting mechanism, the outer wall of the processing box is installed with a chip removal mechanism, and the bottom end of the side wall of the processing box is installed with a collection mechanism.

[0007] Preferably, the fixing mechanism includes a turntable, an adjusting screw, a guide rod, a support plate, a lifting screw, a round rod and a pressure plate. The side wall of the processing box is rotatably connected to two symmetrically distributed turntables, and the side wall of the turntable is slidably connected to two symmetrically distributed guide rods. The side wall of the turntable is threadedly connected to the adjusting screw, one end of the adjusting screw is rotatably connected to the support plate, one end of the guide rod is connected to the support plate, the top end of the support plate is slidably connected to the round rod, the bottom end of the round rod is connected to the pressure plate, the top end of the pressure plate is rotatably connected to the lifting screw, and the side wall of the lifting screw is threadedly connected to the support plate.

[0008] Preferably, the support plate is U-shaped.

[0009] Preferably, the driving mechanism includes a conveying member, a support block, a rotating shaft and a driving member. The side wall of the processing box is connected to two symmetrically distributed support blocks. The side walls of the support blocks are rotatably connected to the rotating shaft. The two ends of the rotating shaft respectively pass through the side walls of the support blocks, and one end of the rotating shaft is connected to the driving member.

[0010] Preferably, the transmission member includes a driving wheel, a belt and a driven wheel, the outer side wall of the turntable is connected to the driving wheel, the side wall of the driving wheel is movably connected to the belt, the side wall of the belt is movably connected to the driven wheel, and the inner side wall of the driven wheel is connected to the rotating shaft.

[0011] Preferably, the driving member can be driven by a motor.

[0012] Preferably, the limiting mechanism includes a fixing ring, a limiting screw, a spline, a slide groove and a keyway, the side wall of the starting support block is provided with a keyway, the side wall of the rotating shaft is provided with a slide groove, the side wall of the slide groove is slidingly connected to the spline, the side wall of the rotating shaft is connected to a fixing ring, the side wall of the fixing ring is threadedly connected to the limiting screw, and one end of the limiting screw is rotatably connected to the spline.

[0013] Preferably, the chip removal mechanism includes a baffle tube, a temperature treatment box, a fan, a filter plate, a through hole, a rubber gasket, a bottom hole, a perforation, a shield plate, a square hole and a support rod. The side wall of the treatment box is provided with a square hole, and the baffle tube is slidably connected in the square hole. The outer wall of the treatment box is connected to two symmetrically distributed support rods, and the side walls of the support rods are slidably connected to the baffle tube. The top end of the baffle tube is connected to the temperature treatment box, the outer port of the baffle tube is connected to the fan, and the inner wall of the baffle tube is connected to the filter plate, and the filter plate is tilted on the inner wall of the baffle tube. The side wall of the baffle tube is provided with two symmetrically distributed through holes, and the inner wall of the through hole is connected with a rubber gasket. The bottom end of the baffle tube is provided with a bottom hole, and the bottom end of the side wall of the baffle tube is provided with a perforation, and a shield plate is slidably connected in the perforation, and the bottom hole is located on one side of the shield plate.

[0014] Preferably, the temperature processing box includes a processing box shell, a heating plate, a cooling plate, a controller and a temperature measuring instrument. The heating plate, cooling plate, controller and temperature measuring instrument are all connected to the processing box shell. The heating plate, cooling plate and temperature measuring instrument are electrically connected to the controller. The processing box shell is connected to the top of the retaining tube.

[0015] Preferably, the collecting mechanism includes a guide inclined plate, an inlet hole and a collecting box; the bottom end of the side wall of the processing box is connected to the collecting box; the side wall of the collecting box and the side wall of the processing box are both provided with an inlet hole; the inner bottom end of the processing box is connected to the guide inclined plate; the bottom end of the guide inclined plate is flush with the inlet hole.

[0016] The beneficial effects of the present invention are:

[0017] 1) Place the steel casting body on the bottom of the support plate, then turn the lifting screw to move the pressure plate downward. The pressure plate and the bottom of the support plate clamp the steel casting body to achieve the clamping effect of the steel casting body. Use the limit mechanism to fix the drive mechanism so that the turntable stops rotating. Turn the adjusting screw to drive the support plate to move so that the two steel casting bodies are attached to each other, making it easier for the electric welding gun to weld the contact surface of the steel casting body.

[0018] 2) Start the driving member, the driving member drives the rotating shaft to rotate, the rotating shaft drives the conveying member to rotate, the conveying member drives the two turntables to rotate synchronously, the turntable drives the guide rod and the adjusting screw to rotate, the guide rod and the adjusting screw drive the support plate to rotate, thereby synchronously driving the two steel casting bodies to rotate, so that impurities on the surface of the steel casting body are thrown out, and the impurities slide into the inlet hole along the inclined surface of the guide inclined plate, and then flow into the collection box.

[0019] 3) Use the temperature treatment box to control the temperature inside the baffle tube. At this time, the baffle is needed to close the bottom hole to separate the inside of the baffle tube from the outside of the baffle tube. The temperature inside the baffle tube is controlled by the heating plate and the cooling plate. The temperature is detected by the temperature measuring instrument to continuously cool down the steel casting body after welding, avoiding sudden cooling of the steel casting body after welding, which may cause cracks in the steel casting body after welding. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a schematic diagram of the three-dimensional structure of the present invention;

[0021] Figure 2 It is a schematic diagram of the top structure of the present invention;

[0022] Figure 3 It is a schematic cross-sectional structure diagram of the present invention;

[0023] Figure 4 It is a schematic diagram of the explosion structure of the present invention;

[0024] Figure 5 It is a schematic diagram of the pipe retaining structure of the present invention;

[0025] Figure 6 yes Figure 1 Schematic diagram of the enlarged structure at A in the middle;

[0026] Figure 7 yes Figure 2 Schematic diagram of the enlarged structure at B in the middle;

[0027] Figure 8 yes Figure 3 Schematic diagram of the enlarged structure at C in the middle;

[0028] Figure 9 yes Figure 4 Schematic diagram of the enlarged structure at D in the middle;

[0029] Figure 10 yes Figure 6 Schematic diagram of the enlarged structure at E in the middle.

[0030] Figure Number:

[0031] 1. Processing box; 2. Fixing mechanism; 201. Turntable; 202. Adjusting screw; 203. Guide rod; 204. Support plate; 205. Lifting screw; 206. Round rod; 207. Pressing plate; 3. Driving mechanism; 301. Driving wheel; 302. Belt; 303. Driven wheel; 304. Support block; 305. Rotating shaft; 306. Driving member; 4. Limiting mechanism; 401. Fixing ring; 402. Limiting screw; 403 , spline; 404, slide; 405, keyway; 5, chip removal mechanism; 501, baffle; 502, temperature treatment box; 503, fan; 504, filter plate; 505, through hole; 506, rubber gasket; 507, bottom hole; 508, perforation; 509, shield; 510, square hole; 511, support rod; 6, collection mechanism; 601, guide ramp; 602, entry hole; 603, collection box; 7, steel casting body. DETAILED DESCRIPTION

[0032] The technical solution of the present invention will be described clearly and completely below in conjunction with the accompanying drawings. In the description of the present invention, it should be noted that the terms "center", "up", "down", "left", "right", "vertical", "horizontal", "inside", "outside" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, the terms "first", "second", and "third" are used for descriptive purposes only and cannot be understood as indicating or implying relative importance.

[0033] The present invention will be further described below with reference to the accompanying drawings.

[0034] Reference Attachment Figure 1-10 A steel casting structure welding device includes a processing box 1, the top of the processing box 1 is provided with an opening, the side wall of the processing box 1 is provided with a fixing mechanism 2, the side wall of the processing box 1 is provided with a driving mechanism 3, the driving mechanism 3 is installed with a limiting mechanism 4, the outer wall of the processing box 1 is installed with a chip removal mechanism 5, and the bottom end of the side wall of the processing box 1 is installed with a collecting mechanism 6.

[0035] Reference Attachment Figure 1-9 The fixing mechanism 2 includes a turntable 201, an adjusting screw 202, a guide rod 203, a support plate 204, a lifting screw 205, a round rod 206 and a pressure plate 207. The side wall of the processing box 1 is rotatably connected to two symmetrically distributed turntables 201, and the side wall of the turntable 201 is slidably connected to two symmetrically distributed guide rods 203. The side wall of the turntable 201 is threadedly connected with the adjusting screw 202, one end of the adjusting screw 202 is rotatably connected to the support plate 204, one end of the guide rod 203 is connected to the support plate 204, the top of the support plate 204 is slidably connected with the round rod 206, and the bottom end of the round rod 206 is connected to the pressure plate 207. The top of the pressure plate 207 is rotatably connected to the lifting screw 205, and the side wall of the lifting screw 205 is threadedly connected to the support plate 204. The shape of the support plate 204 is U-shaped.

[0036] Place the steel casting body 7 on the bottom of the support plate 204, then rotate the lifting screw 205 to move the pressure plate 207 downward, and the pressure plate 207 and the bottom of the support plate 204 clamp the steel casting body 7 to achieve the clamping effect of the steel casting body. Use the limiting mechanism 4 to fix the driving mechanism 3 so that the turntable 201 stops rotating, rotate the adjusting screw 202, and the adjusting screw 202 drives the support plate 204 to move, so that the two steel casting bodies 7 are attached to each other, thereby facilitating the electric welding gun to weld the contact surface of the steel casting body 7.

[0037] Reference Attachment Figure 1-7 The driving mechanism 3 includes a conveying member, a support block 304, a rotating shaft 305 and a driving member 306. The side wall of the processing box 1 is connected to two symmetrically distributed support blocks 304. The side wall of the support block 304 is rotatably connected to the rotating shaft 305. The two ends of the rotating shaft 305 respectively pass through the side wall of the support block 304. One end of the rotating shaft 305 is connected to the driving member 306, and the driving member 306 can be driven by a motor.

[0038] Unlock the limit of the limit mechanism 4 and start the driving member 306. The driving member 306 drives the rotating shaft 305 to rotate, the rotating shaft 305 drives the transmission member to rotate, the transmission member drives the two turntables 201 to rotate synchronously, the turntable 201 drives the guide rod 203 and the adjusting screw 202 to rotate, the guide rod 203 and the adjusting screw 202 drive the support plate 204 to rotate, thereby synchronously driving the two steel casting bodies 7 to rotate, thereby adjusting the angle of the two steel casting bodies 7 to facilitate the welding of the steel casting bodies 7.

[0039] Reference Attachment Figure 7 The transmission part includes a driving wheel 301, a belt 302 and a driven wheel 303. The outer side wall of the turntable 201 is connected to the driving wheel 301, the side wall of the driving wheel 301 is movably connected to the belt 302, the side wall of the belt 302 is movably connected to the driven wheel 303, and the inner side wall of the driven wheel 303 is connected to the rotating shaft 305.

[0040] The two ends of the rotating shaft 305 respectively drive the two driven wheels 303 to rotate, so that the two driven wheels 303 rotate synchronously. The driven wheels 303 drive the driving wheel 301 to rotate through the belt 302, thereby driving the two turntables 201 to rotate synchronously.

[0041] Reference Attachment Figure 10 The limiting mechanism 4 includes a fixing ring 401, a limiting screw 402, a spline 403, a slide 404 and a keyway 405. A keyway 405 is provided on the side wall of a starting support block 304, and a slide 404 is provided on the side wall of the rotating shaft 305. The side wall of the slide 404 is slidingly connected to the spline 403. The side wall of the rotating shaft 305 is connected to the fixing ring 401. The side wall of the fixing ring 401 is threadedly connected to the limiting screw 402, and one end of the limiting screw 402 is rotatably connected to the spline 403.

[0042] Rotate the limit screw 402, and the limit screw 402 drives the spline 403 to move along the slide groove 404, and the spline 403 is inserted into the keyway 405, so that the spline 403 stops rotating, and the fixing ring 401 is connected to the rotating shaft 305, and the fixing ring 401 is threadedly connected to the limit screw 402, thereby limiting the rotation of the rotating shaft 305, and further limiting the rotation of the conveying member.

[0043] Reference Attachment Figure 1-8, the chip removal mechanism 5 includes a baffle 501, a temperature treatment box 502, a fan 503, a filter plate 504, a through hole 505, a rubber gasket 506, a bottom hole 507, a through hole 508, a shield 509, a square hole 510 and a support rod 511. The side wall of the treatment box 1 is provided with a square hole 510, and the baffle 501 is slidably connected to the square hole 510. The outer wall of the treatment box 1 is connected to two symmetrically distributed support rods 511. The side wall of the support rod 511 is slidably connected to the baffle 501. The top of the baffle 501 is connected to the temperature treatment box 502, the outer port of the baffle 501 is connected to the fan 503, the inner wall of the baffle 501 is connected to the filter plate 504, and the filter plate 504 is tilted on the inner wall of the baffle 501. The side wall of the baffle 501 is provided with two symmetrically distributed through holes 505, and the inner wall of the through hole 505 is connected to the rubber gasket 506. 01 is provided with a bottom hole 507 at the bottom end, and a through hole 508 is provided at the bottom end of the side wall of the blocking tube 501. A shield plate 509 is slidably connected to the through hole 508, and the bottom hole 507 is located on one side of the shield plate 509. The temperature processing box 502 includes a processing box shell, a heating plate, a cooling plate, a controller and a temperature measuring instrument. The heating plate, the cooling plate, the controller and the temperature measuring instrument are all connected to the processing box shell. The heating plate, the cooling plate and the temperature measuring instrument are electrically connected to the controller. The processing box shell is connected to the top of the blocking tube 501. The collecting mechanism 6 includes a guide inclined plate 601, an inlet hole 602 and a collecting box 603. The bottom end of the side wall of the processing box 1 is connected to the collecting box 603. The side wall of the collecting box 603 and the side wall of the processing box 1 are both provided with an inlet hole 602. The inner bottom end of the processing box 1 is connected to the guide inclined plate 601, and the bottom end of the guide inclined plate 601 is flush with the inlet hole 602.

[0044] The driving member 306 is started. The driving member 306 drives the rotating shaft 305 to rotate. The rotating shaft 305 drives the conveying member to rotate. The conveying member drives the two turntables 201 to rotate synchronously. The turntables 201 drive the guide rods 203 and the adjusting screw 202 to rotate. The guide rods 203 and the adjusting screw 202 drive the support plate 204 to rotate, thereby synchronously driving the two steel casting bodies 7 to rotate, so that impurities on the surface of the steel casting body 7 are thrown out. The impurities slide along the inclined surface of the guide inclined plate 601 into the inlet hole 602 and then flow into the collection box 603.

[0045] Then, the blocking tube 501 is pushed to extend the blocking tube 501 into the processing box 1 and abut against the other side wall of the processing box 1, and the adjusting screw 202 and the guide rod 203 are arranged in parallel, so that the adjusting screw 202 and the guide rod 203 can pass through the through hole 505 together, and the rubber gasket 506 is used to block the adjusting screw 202 and the guide rod 203 to reduce dust and impurities from passing through the through hole 505. At this time, the bottom hole 507 is located in the processing box 1, and the steel casting body 7 is located in the blocking tube 501. The shield plate 509 is pushed to move the shield plate 509 along the through hole 508 to adjust the size of the bottom hole 507 and the opening and closing of the bottom hole 507. The fan 503 is started to blow dust from the steel casting body 7. Impurities and dust will pass through the bottom hole 507, flow to the guide inclined plate 601, slide into the inlet hole 602, and then flow into the collection box 603;

[0046] The temperature treatment box 502 is used to control the temperature inside the blocking tube 501. At this time, the baffle 509 is required to close the bottom hole 507 to separate the inside of the blocking tube 501 from the outside of the blocking tube 501. The temperature rise and fall of the inside of the blocking tube 501 is controlled by the heating plate and the cooling plate. The temperature is detected by a temperature measuring instrument to continuously cool down the steel casting body 7 that has just been welded, thereby avoiding a sudden cooling of the steel casting body 7 that has just been welded, which may cause cracks in the steel casting body 7 that has just been welded.

[0047] The above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit the same. Although the present invention has been described in detail with reference to the above embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the above embodiments, or replace some or all of the technical features therein with equivalents. However, these modifications or replacements do not cause the essence of the corresponding technical solutions to deviate from the scope of the technical solutions of the embodiments of the present invention.

Claims

1. A steel casting structure welding device, comprising a processing box (1), wherein the top of the processing box (1) is provided with an opening, characterized in that: The inner side wall of the processing box (1) is provided with a fixing mechanism (2) for clamping the two steel casting bodies (7), the side wall of the processing box (1) is provided with a driving mechanism (3) for driving the fixing mechanism (2) and adjusting the angles of the two steel casting bodies (7), a limiting mechanism (4) is installed on the driving mechanism (3), the outer wall of the processing box (1) is provided with a chip removal mechanism (5), and the bottom end of the side wall of the processing box (1) is provided with a collecting mechanism (6); The chip removal mechanism (5) comprises a baffle (501), a temperature treatment box (502), a fan (503), a filter plate (504), a through hole (505), a rubber gasket (506), a bottom hole (507), a through hole (508), a shield (509), a square hole (510) and a support rod (511). The side wall of the treatment box (1) is provided with a square hole (510), and the baffle (501) is slidably connected in the square hole (510). The outer side wall of the treatment box (1) is connected to two symmetrically distributed support rods (511), and the side wall of the support rod (511) is slidably connected to the baffle (501). The top end of the baffle (501) is connected to the temperature treatment box (5 02), the outer port of the retaining tube (501) is connected to a fan (503), the inner wall of the retaining tube (501) is connected to a filter plate (504), the filter plate (504) is tilted and placed on the inner wall of the retaining tube (501), the side wall of the retaining tube (501) is provided with two symmetrically distributed through holes (505), the inner wall of the through hole (505) is connected to a rubber gasket (506), the bottom end of the retaining tube (501) is provided with a bottom hole (507), the bottom end of the side wall of the retaining tube (501) is provided with a through hole (508), a shield plate (509) is slidably connected in the through hole (508), and the bottom hole (507) is located on one side of the shield plate (509); The temperature processing box (502) comprises a processing box shell, a heating plate, a cooling plate, a controller and a temperature measuring instrument. The heating plate, the cooling plate, the controller and the temperature measuring instrument are all connected to the processing box shell. The heating plate, the cooling plate and the temperature measuring instrument are electrically connected to the controller. The processing box shell is connected to the top end of the retaining tube (501).

2. The steel casting structure welding device according to claim 1, characterized in that: The fixing mechanism (2) comprises a turntable (201), an adjusting screw (202), a guide rod (203), a support plate (204), a lifting screw (205), a round rod (206) and a pressing plate (207); the side wall of the processing box (1) is rotatably connected to two symmetrically distributed turntables (201); the side wall of the turntable (201) is slidably connected to two symmetrically distributed guide rods (203); the side wall of the turntable (201) is threadedly connected to the adjusting screw ( 202), one end of the adjusting screw (202) is rotatably connected to the support plate (204), one end of the guide rod (203) is connected to the support plate (204), the top end of the support plate (204) is slidably connected to a round rod (206), the bottom end of the round rod (206) is connected to a pressing plate (207), the top end of the pressing plate (207) is rotatably connected to the lifting screw (205), and the side wall of the lifting screw (205) is threadedly connected to the support plate (204).

3. The steel casting structure welding device according to claim 2, characterized in that: The support plate (204) is in a U-shape.

4. The steel casting structure welding device according to claim 2, characterized in that: The driving mechanism (3) comprises a conveying member, a supporting block (304), a rotating shaft (305) and a driving member (306). The side wall of the processing box (1) is connected to two symmetrically distributed supporting blocks (304). The side wall of the supporting block (304) is rotatably connected to the rotating shaft (305). The two ends of the rotating shaft (305) respectively pass through the side wall of the supporting block (304), and one end of the rotating shaft (305) is connected to the driving member (306).

5. The steel casting structure welding device according to claim 4, characterized in that: The transmission member comprises a driving wheel (301), a belt (302) and a driven wheel (303); the outer side wall of the turntable (201) is connected to the driving wheel (301); the side wall of the driving wheel (301) is movably connected to the belt (302); the side wall of the belt (302) is movably connected to the driven wheel (303); and the inner side wall of the driven wheel (303) is connected to the rotating shaft (305).

6. The steel casting structure welding device according to claim 4, characterized in that: The driving member (306) is driven by a motor.

7. The steel casting structure welding device according to claim 4, characterized in that: The limiting mechanism (4) comprises a fixing ring (401), a limiting screw (402), a spline (403), a slide groove (404) and a keyway (405), wherein a side wall of one of the support blocks (304) is provided with a keyway (405), a side wall of the rotating shaft (305) is provided with a slide groove (404), a side wall of the slide groove (404) is slidably connected to the spline (403), a side wall of the rotating shaft (305) is connected to a fixing ring (401), a side wall of the fixing ring (401) is threadedly connected to the limiting screw (402), and one end of the limiting screw (402) is rotatably connected to the spline (403).

8. The steel casting structure welding device according to claim 1, characterized in that: The collecting mechanism (6) comprises a guide inclined plate (601), an inlet hole (602) and a collecting box (603); the bottom end of the side wall of the processing box (1) is connected to the collecting box (603); the side wall of the collecting box (603) and the side wall of the processing box (1) are both provided with an inlet hole (602); the inner bottom end of the processing box (1) is connected to the guide inclined plate (601); the bottom end of the guide inclined plate (601) is flush with the inlet hole (602).

Citation Information

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