Automatic welding equipment for civil air defense ventilation equipment

Abstract

According to the technical scheme, the automatic welding equipment for the civil air defense ventilation equipment is characterized by comprising a conveying mechanism, the conveying mechanism is used for conveying a ventilation pipeline in the horizontal direction, and the axis of the ventilation pipeline on the conveying mechanism is arranged in the conveying direction; the welding mechanism is used for welding the joint of the two ventilation pipelines; the rotating power mechanism is used for driving the ventilation pipeline to rotate around the axis of the ventilation pipeline on the conveying mechanism; the welding mechanism comprises a plurality of welding guns, and the plurality of welding guns are uniformly distributed around the axis of the ventilation pipeline; and a control component; through the arrangement of the control mechanism, the distance between the welding gun and the ventilation pipeline can be adjusted at any time when the welding gun conducts welding, then the appropriate distance between the end of a welding rod and a welding seam is kept, and therefore the welding quality is guaranteed.

Description

Technical Field

[0001] The present invention relates to the technical field of civil air defense equipment welding, and more specifically, it relates to automatic welding equipment for civil air defense ventilation equipment. Background Art

[0002] In civil air defense projects, ventilation equipment is mostly required to keep the air clean. In existing civil air defense projects, ventilation equipment mainly includes a large number of pipes, which provide channels for air circulation, thereby realizing air exchange between civil air defense projects and the outside world.

[0003] In the prior art, when ventilation equipment is produced, it is necessary to weld single ventilation ducts together to form a longer pipeline. When welding two ventilation ducts, it can be roughly divided into manual welding and mechanical assisted welding. When manual welding is used, a large amount of manpower is required. While welding is achieved by using welding machinery to drive the electrode to move along the welding gap, although it can reduce manpower to a certain extent, the electrode is continuously consumed and shortened during the welding process. The existing equipment cannot ensure that the end of the electrode is kept in contact with the weld during the shortening of the electrode, which easily leads to poor welding quality. Summary of the invention

[0004] In view of the shortcomings of the prior art, the purpose of the present invention is to provide an automatic welding equipment for civil air defense ventilation equipment, which, through the setting of a control mechanism, can adjust the distance between the welding gun and the ventilation duct at any time during welding, thereby maintaining a suitable distance between the end of the welding rod and the weld, thereby ensuring the welding quality.

[0005] To achieve the above object, the present invention provides the following technical solution: an automatic welding device for civil air defense ventilation equipment, comprising a conveying mechanism, the conveying mechanism is used to convey the ventilation duct in a horizontal direction, and the axis of the ventilation duct on the conveying mechanism is arranged along the conveying direction; A welding mechanism, wherein the welding mechanism is used to weld the joints of two ventilation ducts; and a rotary power mechanism, the rotary power mechanism being used to drive the ventilation duct to rotate around its own axis on the conveying mechanism; The welding mechanism comprises a welding gun, and a plurality of welding guns are provided, and the plurality of welding guns are evenly arranged around the axis of the ventilation duct; And a control component, which drives the welding gun to approach the axis of the ventilation duct at a uniform speed when the ventilation duct rotates.

[0006] The present invention is further configured as follows: the conveying mechanism comprises a bottom plate, and the bottom plate is arranged horizontally; Support rods, wherein the support rods are arranged in a plurality of groups, and the plurality of groups of support rods are arranged along the transmission direction of the ventilation duct, each group of support rods includes two support rods, and the two support rods in the same group are respectively located on both sides of the bottom plate, and the top ends of the two support rods in the same group are arranged in an inclined direction toward each other; And a ball, a ball is arranged at one end of the top of each support rod, and the ball can rotate around the center of the ball on the support rod.

[0007] The present invention is further configured as follows: the control assembly includes a guide plate, the guide plate is provided with a plurality of guide grooves, the plurality of guide grooves respectively correspond to a plurality of welding guns, and the guide grooves are used to limit the welding guns to move only in the radial direction of the ventilation duct; And a control panel, wherein a plurality of control slots are arranged on the control panel, each control slot corresponds to a welding gun, and the control slot is used to push the welding gun to move when the control panel rotates so as to adjust the distance between the welding gun and the axis of the ventilation duct.

[0008] The present invention is further configured as follows: the guide plate is configured as a circular ring, the guide plate is fixedly connected to the top of the bottom plate, the ventilation duct on the conveying mechanism is coaxial with the guide plate and the ventilation duct can pass through the guide plate; The guide groove passes through the guide plate along an axial direction of the guide plate, and a length direction of the guide groove is arranged along a radial direction of the guide plate.

[0009] The present invention is further configured as follows: the control plate is configured as a circular ring, the control plate is rotatably connected to the guide plate, the ventilation duct on the conveying mechanism is coaxial with the control plate and the ventilation duct can pass through the control plate; The control groove penetrates the control board along the axis direction of the control board, and the distance between the control groove and the axis of the control board gradually decreases from one end to the other end.

[0010] The present invention is further configured as follows: two guide plates are provided, and the control plate is located between the two guide plates.

[0011] The present invention is further configured as follows: an outer gear ring is fixedly connected to the outside of the control plate, and a gear meshing with the outer gear ring is rotatably connected to the bottom plate.

[0012] The present invention is further configured as follows: rotating rings which are respectively rotatably connected to the outside of the two guide plates are fixedly connected to both sides of the outer gear ring.

[0013] The present invention is further configured as follows: the welding mechanism further comprises a moving rod, each moving rod corresponds to a welding gun, the welding gun is connected to the moving rod, and the moving rod passes through the corresponding control slot and the two guide slots along the axis direction of the guide plate; An adjusting rod, wherein the length direction of the adjusting rod is arranged along the radial direction of the guide plate, the adjusting rod is arranged at one end of the moving rod and can slide on the moving rod along its own length direction, and the welding gun is fixedly connected to one end of the adjusting rod close to the axis of the guide plate; And a fixing sleeve, the fixing sleeve is fixedly connected to one end of the moving rod provided with an adjusting rod, the adjusting rod passes through the fixing sleeve along its own length direction, and a bolt for fixing the adjusting rod on the fixing sleeve is threadedly connected on the fixing sleeve.

[0014] The present invention is further configured as follows: two rotating power mechanisms are provided, and the two rotating power mechanisms correspond to two ventilation ducts to be welded respectively; The rotary power mechanism includes a lifting seat, two of which are provided, and the two lifting seats are respectively located above and below the ventilation duct, and the lifting seats can slide in a vertical direction; As well as a power wheel, one side of the lifting seat close to the ventilation duct is rotatably connected with two power wheels, the axes of the power wheels are parallel to the axis of the ventilation duct, and the two power wheels on the lifting seat can be pressed tightly against the outside of the ventilation duct.

[0015] In summary, compared with the prior art, the present invention has the following beneficial effects: through the setting of the control mechanism, the present invention can adjust the distance between the welding gun and the ventilation duct at any time during welding, thereby maintaining a suitable distance between the end of the welding rod and the weld, thereby ensuring the welding quality. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 is a schematic diagram of the overall structure of an embodiment; Figure 2 for Figure 1 A magnified schematic diagram of part A; Figure 3 for Figure 1 A magnified schematic diagram of part B; Figure 4 is a cross-sectional view of the overall structure of the embodiment; Figure 5 for Figure 4 An enlarged schematic diagram of the C portion; Figure 6 A schematic diagram of a control tank is shown in the embodiment; Figure 7 for Figure 6 An enlarged schematic diagram of part D of FIG.

[0017] In the figure: 1. conveying mechanism; 11. bottom plate; 12. support rod; 13. ball bearing; 2. welding mechanism; 21. welding gun; 22. control assembly; 221. guide plate; 2211. guide groove; 222. control plate; 2221. control groove; 223. outer gear ring; 224. rotating ring; 23. moving rod; 231. limit plate; 24. fixing sleeve; 25. adjusting rod; 3. rotating power mechanism; 31. lifting seat; 32. power wheel. DETAILED DESCRIPTION

[0018] In order to enable those skilled in the art to better understand the technical solution of the present invention, the technical solution of the present invention is clearly and completely described below in conjunction with the accompanying drawings of the present invention. Based on the embodiments in this application, other similar embodiments obtained by ordinary technicians in this field without making creative work should all fall within the scope of protection of this application. In addition, the directional words mentioned in the following embodiments, such as "up", "down", "left", "right", etc., are only reference to the directions of the accompanying drawings. Therefore, the directional words used are used to illustrate rather than limit the invention.

[0019] The present invention will be further described below in conjunction with the accompanying drawings and preferred embodiments.

[0020] Embodiment: An automatic welding device for civil air defense ventilation equipment, see attached Figure 1 -Attached Figure 7 , including a conveying mechanism 1, a welding mechanism 2 and a rotating power mechanism 3, wherein the conveying mechanism 1 is used to convey the ventilation duct in a horizontal direction, and the axis of the ventilation duct on the conveying mechanism 1 is arranged along the conveying direction; the welding mechanism 2 is used to weld the joints of two ventilation ducts; the rotating power mechanism 3 is used to drive the ventilation duct to rotate around its own axis on the conveying mechanism 1; the welding mechanism 2 includes a welding gun 21 and a control component 22, wherein a plurality of welding guns 21 are arranged evenly around the axis of the ventilation duct; the control component 22 drives the welding gun 21 to approach the axis of the ventilation duct at a uniform speed when the ventilation duct rotates.

[0021] When welding the ventilation ducts, the two ventilation ducts to be welded are transported to the welding mechanism 2 through the conveying mechanism 1, and then the two ventilation ducts are driven to rotate around their own axes through the rotating power mechanism 3. During the rotation process, the welding gun 21 is driven gradually close to the ventilation ducts through the control component 22, thereby ensuring that during the welding process, as the welding rod is consumed, the welding gun 21 gradually approaches the ventilation duct, so that the distance between the end of the welding rod and the weld of the two ventilation ducts remains consistent, thereby not affecting the welding quality.

[0022] Specifically, the conveying mechanism 1 includes a base plate 11, support rods 12 and ball bearings 13. The base plate 11 is horizontally arranged; the support rods 12 are arranged in several groups, and the multiple groups of support rods 12 are arranged along the transmission direction of the ventilation duct, and each group of support rods 12 includes two support rods 12, and the two support rods 12 in the same group are respectively located on both sides of the base plate 11, and the top ends of the two support rods 12 in the same group are inclined in a direction close to each other; a ball bearing 13 is arranged at one end of the top of each support rod 12, and the ball bearing 13 can rotate around the center of the ball bearing 13 on the support rod 12.

[0023] Specifically, the control component 22 includes a guide plate 221 and a control plate 222, the guide plate 221 is provided with a plurality of guide grooves 2211, the plurality of guide grooves 2211 respectively correspond to a plurality of welding guns 21, and the guide grooves 2211 are used to limit the welding gun 21 to move only in the radial direction of the ventilation duct; the control plate 222 is provided with a plurality of control grooves 2221, each control groove 2221 corresponds to a welding gun 21, and the control groove 2221 is used to push the welding gun 21 to move when the control plate 222 rotates to adjust the distance between the welding gun 21 and the axis of the ventilation duct.

[0024] The guide plate 221 is set to be annular, the guide plate 221 is fixedly connected to the top of the bottom plate 11, the ventilation duct on the conveying mechanism 1 is coaxial with the guide plate 221 and the ventilation duct can pass through the guide plate 221; the guide groove 2211 passes through the guide plate 221 along the axial direction of the guide plate 221, and the length direction of the guide groove 2211 is set along the radial direction of the guide plate 221. The control plate 222 is set to be annular, the control plate 222 is rotatably connected to the guide plate 221, the ventilation duct on the conveying mechanism 1 is coaxial with the control plate 222 and the ventilation duct can pass through the control plate 222; the control groove 2221 passes through the control plate 222 along the axial direction of the control plate 222, and the distance of the control groove 2221 from the axial direction of the control plate 222 gradually decreases from one end to the other end.

[0025] Specifically, two guide plates 221 are provided, and the control plate 222 is located between the two guide plates 221 .

[0026] Specifically, an outer gear ring 223 is fixedly connected to the outside of the control plate 222, and a gear meshing with the outer gear ring 223 is rotatably connected to the bottom plate 11; rotating rings 224 rotatably connected to the outside of the two guide plates 221 are fixedly connected to both sides of the outer gear ring 223.

[0027] Specifically, the welding mechanism 2 also includes a moving rod 23, an adjusting rod 25 and a fixed sleeve 24. Each moving rod 23 corresponds to a welding gun 21. The welding gun 21 is connected to the moving rod 23. The moving rod 23 passes through the corresponding control groove 2221 and the two guide grooves 2211 along the axial direction of the guide plate 221; the length direction of the adjusting rod 25 is arranged along the radial direction of the guide plate 221, the adjusting rod 25 is arranged at one end of the moving rod 23 and can slide on the moving rod 23 along its own length direction, and the welding gun 21 is fixedly connected to one end of the adjusting rod 25 close to the axis of the guide plate 221; the fixed sleeve 24 is fixedly connected to the moving rod 23 and is provided with one end of the adjusting rod 25. The adjusting rod 25 passes through the fixed sleeve 24 along its own length direction, and the fixed sleeve 24 is threaded with a bolt that fixes the adjusting rod 25 to the fixed sleeve 24.

[0028] Through the setting of the moving rod 23, the control groove 2221 and the guide groove 2211 can directly act on the moving rod 23, so that when the control plate 222 rotates, the moving rod 23 moves along the length direction of the guide groove 2211 under the action of the control groove 2221, and the moving speed of the moving rod 23 can be controlled by controlling the rotation speed of the control plate 222, thereby controlling the moving speed of the welding gun 21.

[0029] Specifically, a group of limiting plates 231 is disposed on the moving rod 23 corresponding to each guide plate 221 . A group of limiting plates 231 includes two limiting plates. The two limiting plates 231 in the same group are respectively attached to the two sides of the corresponding guide plate 221 .

[0030] Specifically, two rotating power mechanisms 3 are provided, and the two rotating power mechanisms 3 correspond to two ventilation ducts to be welded respectively; the rotating power mechanism 3 includes a lifting seat 31 and a power wheel 32, and two lifting seats 31 are provided, and the two lifting seats 31 are respectively located above and below the ventilation duct, and the lifting seats 31 can slide in the vertical direction; the lifting seat 31 is rotatably connected to the two power wheels 32 on one side close to the ventilation duct, and the axis of the power wheel 32 is parallel to the axis of the ventilation duct, and the two power wheels 32 on the lifting seat 31 can be pressed against the outside of the ventilation duct; the lifting seat 31 is fixedly connected to a motor that is transmission-connected to the power wheel 32, and the ventilation duct is driven to rotate by the rotation of the power wheel 32.

[0031] The above is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above embodiments. All technical solutions under the concept of the present invention belong to the protection scope of the present invention. It should be pointed out that for ordinary technicians in this technical field, some improvements and modifications without departing from the principle of the present invention should also be regarded as the protection scope of the present invention.

Claims

1. An automatic welding device for civil air defense ventilation equipment, characterized in that: It comprises a conveying mechanism (1), the conveying mechanism (1) is used to convey the ventilation duct in a horizontal direction, and the axis of the ventilation duct on the conveying mechanism (1) is arranged along the conveying direction; A welding mechanism (2), wherein the welding mechanism (2) is used to weld the joints of two ventilation ducts; and a rotating power mechanism (3), wherein the rotating power mechanism (3) is used to drive the ventilation duct to rotate around its own axis on the conveying mechanism (1); The welding mechanism (2) comprises a welding gun (21), a plurality of the welding guns (21) are provided, and the plurality of welding guns (21) are evenly arranged around the axis of the ventilation duct; And a control component (22), wherein the control component (22) drives the welding gun (21) to approach the axis of the ventilation duct at a uniform speed when the ventilation duct rotates.

2. The automatic welding equipment for civil air defense ventilation equipment according to claim 1 is characterized in that: The conveying mechanism (1) comprises a bottom plate (11), and the bottom plate (11) is arranged horizontally; Support rods (12), wherein the support rods (12) are provided in a plurality of groups, and the plurality of groups of support rods (12) are arranged along the transmission direction of the ventilation duct, and each group of support rods (12) comprises two support rods (12) in the same group, and the two support rods (12) in the same group are respectively located on both sides of the bottom plate (11), and the top ends of the two support rods (12) in the same group are arranged to be inclined in a direction close to each other; And a ball (13), each support rod (12) is provided with a ball (13) at one end of the top, and the ball (13) can rotate on the support rod (12) around the center of the ball (13).

3. The automatic welding equipment for civil air defense ventilation equipment according to claim 2 is characterized in that: The control assembly (22) comprises a guide plate (221), the guide plate (221) being provided with a plurality of guide grooves (2211), the plurality of guide grooves (2211) respectively corresponding to a plurality of welding guns (21), and the guide grooves (2211) are used to limit the welding guns (21) to move only in a radial direction of the ventilation duct; and a control panel (222), wherein the control panel (222) is provided with a plurality of control slots (2221), each control slot (2221) corresponds to a welding gun (21), and the control slot (2221) is used to push the welding gun (21) to move when the control panel (222) rotates, so as to adjust the distance between the welding gun (21) and the axis of the ventilation duct.

4. The automatic welding equipment for civil air defense ventilation equipment according to claim 3 is characterized in that: The guide plate (221) is configured to be annular, the guide plate (221) is fixedly connected to the top of the bottom plate (11), the ventilation duct on the conveying mechanism (1) is coaxial with the guide plate (221), and the ventilation duct can pass through the guide plate (221); The guide groove (2211) passes through the guide plate (221) along the axial direction of the guide plate (221) and the length direction of the guide groove (2211) is arranged along the radial direction of the guide plate (221).

5. The automatic welding equipment for civil air defense ventilation equipment according to claim 4 is characterized in that: The control plate (222) is arranged in a circular ring shape, the control plate (222) is rotatably connected to the guide plate (221), the ventilation duct on the conveying mechanism (1) is coaxial with the control plate (222) and the ventilation duct can pass through the control plate (222); The control groove (2221) penetrates the control plate (222) along the axis direction of the control plate (222), and the distance of the control groove (2221) from the axis of the control plate (222) gradually decreases from one end to the other end.

6. The automatic welding equipment for civil air defense ventilation equipment according to claim 5 is characterized in that: Two guide plates (221) are provided, and the control plate (222) is located between the two guide plates (221).

7. The automatic welding equipment for civil air defense ventilation equipment according to claim 6 is characterized in that: The control plate (222) is fixedly connected to an outer gear ring (223), and the base plate (11) is rotatably connected to a gear meshing with the outer gear ring (223).

8. The automatic welding equipment for civil air defense ventilation equipment according to claim 7 is characterized in that: Rotating rings (224) are fixedly connected to both sides of the outer gear ring (223) and are respectively rotatably connected to the outside of the two guide plates (221).

9. The automatic welding equipment for civil air defense ventilation equipment according to claim 8, characterized in that: The welding mechanism (2) further comprises a moving rod (23), each moving rod (23) corresponds to a welding gun (21), the welding gun (21) is connected to the moving rod (23), and the moving rod (23) passes through the corresponding control groove (2221) and the two guide grooves (2211) along the axial direction of the guide plate (221); An adjusting rod (25), wherein the length direction of the adjusting rod (25) is arranged along the radial direction of the guide plate (221), the adjusting rod (25) is arranged at one end of the moving rod (23) and can slide on the moving rod (23) along its own length direction, and the welding gun (21) is fixedly connected to one end of the adjusting rod (25) close to the axis of the guide plate (221); and a fixing sleeve (24), wherein the fixing sleeve (24) is fixedly connected to the moving rod (23) and provided with one end of an adjusting rod (25), the adjusting rod (25) passes through the fixing sleeve (24) along its length direction, and a bolt is threadedly connected to the fixing sleeve (24) for fixing the adjusting rod (25) on the fixing sleeve (24).

10. The automatic welding equipment for civil air defense ventilation equipment according to claim 9, characterized in that: The rotating power mechanisms (3) are provided with two, and the two rotating power mechanisms (3) respectively correspond to the two ventilation ducts to be welded; The rotary power mechanism (3) comprises a lifting seat (31), two lifting seats (31) are provided, the two lifting seats (31) are respectively located above and below the ventilation duct, and the lifting seats (31) can slide in a vertical direction; and a power wheel (32), one side of the lifting seat (31) close to the ventilation duct is rotatably connected with two power wheels (32), the axes of the power wheels (32) are parallel to the axis of the ventilation duct, and the two power wheels (32) on the lifting seat (31) can be pressed against the outside of the ventilation duct.

Images