Clamping device special for heating and ventilation pipeline welding

Abstract

The utility model discloses a special clamping device for heating and ventilation pipeline welding, which relates to the technical field of pipeline welding and comprises a supporting structure, the supporting structure comprises a supporting column and a bottom plate, the bottom plate is fixedly mounted at the top end of the supporting column, a telescopic structure is arranged at the top end of the bottom plate, and a mounting structure is arranged at the top end of the bottom plate. The mounting structure comprises a supporting plate, a rotating structure is arranged on the supporting plate and comprises a fluted disc, a clamping structure is arranged on the fluted disc, a sliding structure is arranged at the top end of the bottom plate and comprises a rack, and a grinding structure is arranged on the rack. After the pipeline is welded, the welding seam is polished through the polishing structure, the concave-convex part on the surface of the pipeline can be repaired, the pipeline is smoother, the quality and the appearance of the pipeline are improved, the welding seam can be cleaned, impurities can be removed, and the welding quality and the normal operation of the pipeline are ensured.

Description

Technical Field

[0001] The utility model relates to the technical field of pipeline welding, in particular to a special clamping device for HVAC pipeline welding. Background Art

[0002] HVAC ducts have a very wide range of applications, including purification system return air ducts, central air conditioning ventilation ducts, industrial supply and exhaust ventilation ducts, environmental protection system suction and exhaust ducts, etc. Since HVAC ducts are generally long, it is generally necessary to weld multiple sections of ducts together to form a long duct before installation.

[0003] In the prior art, after the pipeline welding is completed, the weld is not polished, and the weld may be uneven and bumpy. These uneven parts may cause the weld to be insufficiently strong, thereby affecting the safety performance of the pipeline. Weld slag, oxides and other impurities may remain on the weld, and these impurities may cause corrosion, oxidation and other problems in the weld, thereby reducing the service life of the pipeline. The uneven surface of the weld may increase the resistance of the pipeline. The uneven surface of the weld will affect the appearance quality of the pipeline. Without polishing, the pipeline may appear rough and unsightly. Utility Model Content

[0004] The utility model aims to provide a special clamping device for HVAC pipeline welding to solve the problems raised in the above background technology.

[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0006] A special clamping device for HVAC pipe welding includes a supporting structure, which includes a supporting column and a base plate. The base plate is fixedly installed on the top of the supporting column. A telescopic structure is arranged on the top of the base plate. A mounting structure is arranged on the top of the base plate. The mounting structure includes a supporting plate. A rotating structure is arranged on the supporting plate. The rotating structure includes a gear disk. A clamping structure is arranged on the gear disk. A sliding structure is arranged on the top of the base plate. The sliding structure includes a rack. A grinding structure is arranged on the rack.

[0007] As a further solution of the utility model: the telescopic structure includes a first bidirectional screw rod, which is rotatably installed on a base plate, a first motor is installed at one end of the base plate, a motor shaft of the first motor is fixedly connected to one end of the first bidirectional screw rod, and a threaded sleeve is threadedly installed on the first bidirectional screw rod.

[0008] As a further solution of the utility model: the mounting structure includes a first slide plate and a first slide rail, the first slide rail is fixedly mounted on both sides of the top of the base plate, the first slide plate is slidably mounted on the first slide rail, and the first slide plate is fixedly connected to the threaded sleeve, and the support plate is fixedly mounted on the top of the first slide plate.

[0009] As a further solution of the utility model: the rotating structure includes a first gear, the toothed disc and the first gear are respectively rotatably mounted on the support plate, the first gear and the toothed disc are meshed with each other, a second motor is installed at one end of the support plate away from the toothed disc, and the motor shaft of the second motor is fixedly connected to the first gear.

[0010] As a further solution of the utility model: the clamping structure includes a first fixed plate, the first fixed plate is fixedly mounted on the toothed disc, the second slide rail is fixedly mounted on the first fixed plate, the second bidirectional screw is rotatably mounted on the first fixed plate, a third motor is mounted on one end of the first fixed plate, the motor shaft of the third motor is fixedly connected to one end of the second bidirectional screw, a second slide plate is slidably mounted on the second slide rail, the second slide plate is penetrated by the second bidirectional screw, and the second slide plate is threadedly connected to the second bidirectional screw, and a clamp is fixedly mounted on the second slide plate.

[0011] As a further solution of the utility model: the sliding structure includes a rack and a third slide rail, the third slide rail is slidably mounted on the base plate, the rack is fixedly mounted on the top of the third slide rail, a fourth motor is mounted on the bottom end of the base plate, a second gear is mounted on the motor shaft of the fourth motor, and the second gear is meshed with the rack.

[0012] As a further solution of the utility model: the grinding structure includes a second fixed plate, the second fixed plate is fixedly mounted on the top of the rack, a slide rod is slidably mounted on the second fixed plate, a grinding knife is mounted on one end of the slide rod, and a spring is mounted on the slide rod.

[0013] Compared with the prior art, the beneficial effects of the present invention are as follows:

[0014] 1. When the pipeline welding is completed, the weld is polished by the grinding structure, which can repair the concave and convex parts of the pipeline surface to make it smoother, improve the quality and appearance of the pipeline, clean the weld, remove impurities, ensure the welding quality and the normal operation of the pipeline, and the size of the pipeline may need to be adjusted to meet the actual use requirements. Grinding can remove a layer of material on the surface of the pipeline, thereby adjusting the size of the pipeline to make it more precise and meet the requirements. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a three-dimensional schematic diagram of the utility model.

[0016] Figure 2 It is a schematic diagram of the telescopic structure of the utility model.

[0017] Figure 3 It is a schematic diagram of the rotating structure of the utility model.

[0018] Figure 4It is a schematic diagram of the clamping structure of the utility model.

[0019] Figure 5 It is a schematic diagram of the sliding structure of the utility model.

[0020] Notes on the accompanying drawings: 1. Support structure; 11. Support column; 12. Bottom plate; 2. Telescopic structure; 21. First bidirectional screw rod; 22. First motor; 23. Threaded sleeve; 3. Mounting structure; 31. Support plate; 32. First slide plate; 33. First slide rail; 4. Rotating structure; 41. Toothed disc; 42. First gear; 43. Second motor; 5. Clamping structure; 51. First fixed plate; 52. Second slide rail; 53. Second slide plate; 54. Clamping plate; 55. Second bidirectional screw rod; 56. Third motor; 6. Sliding structure; 61. Rack; 62. Third slide rail; 63. Fourth motor; 64. Second gear; 7. Grinding structure; 71. Second fixed plate; 72. Slide rod; 73. Spring; 74. Grinding knife. DETAILED DESCRIPTION

[0021] The following embodiments will be combined with the accompanying drawings to describe the utility model in detail. In the drawings or descriptions, similar or identical parts use the same reference numerals, and in actual applications, the shape, thickness or height of each component can be enlarged or reduced. The various embodiments listed in the utility model are only used to illustrate the utility model, and are not used to limit the scope of the utility model. Any obvious modifications or changes made to the utility model do not depart from the spirit and scope of the utility model.

[0022] Example

[0023] See also Figure 1 to Figure 4In an embodiment of the utility model, a special clamping device for HVAC pipe welding includes a support structure 1, the support structure 1 includes a support column 11 and a bottom plate 12, the bottom plate 12 is fixedly installed on the top of the support column 11, a telescopic structure 2 is arranged on the top of the bottom plate 12, the telescopic structure 2 includes a first bidirectional screw rod 21, the first bidirectional screw rod 21 is rotatably installed on the bottom plate 12, a first motor 22 is installed at one end of the bottom plate 12, the motor shaft of the first motor 22 is fixedly connected to one end of the first bidirectional screw rod 21, a threaded sleeve 23 is threadedly installed on the first bidirectional screw rod 21, a mounting structure 3 is arranged on the top of the bottom plate 12, the mounting structure 3 includes a support plate 31, a first slide plate 32 and a first slide rail 33, the first slide rail 3 3 is fixedly mounted on both sides of the top of the bottom plate 12, the first slide plate 32 is slidably mounted on the first slide rail 33, and the first slide plate 32 is fixedly connected to the threaded sleeve 23, the support plate 31 is fixedly mounted on the top of the first slide plate 32, the first motor 22 is started, the first bidirectional screw rod 21 is driven to rotate by the motor shaft of the first motor 22, the threaded sleeve 23 is driven to move by the first bidirectional screw rod 21, and the first slide plate 32 is driven to slide on the first slide rail 33 by the threaded sleeve 23, and a rotating structure 4 is arranged on the support plate 31, the rotating structure 4 includes a toothed disc 41 and a first gear 42, the toothed disc 41 and the first gear 42 are rotatably mounted on the support plate 31 respectively, and the first gear 42 and the toothed disc 41 are meshed with each other A second motor 43 is installed at one end of the support plate 31 away from the toothed disc 41, and the motor shaft of the second motor 43 is fixedly connected to the first gear 42. The second motor 43 is started, and the first gear 42 is driven to rotate by the motor shaft of the second motor 43. Because the first gear 42 is in meshing relationship with the toothed disc 41, the first gear 42 drives the toothed disc 41 to rotate. A clamping structure 5 is provided on the toothed disc 41, and the clamping structure 5 includes a first fixed plate 51, and the first fixed plate 51 is fixedly installed on the toothed disc 41. A second slide rail 52 is fixedly installed on the first fixed plate 51, and a second bidirectional screw rod 55 is rotatably installed on the first fixed plate 51. A third motor 56 is installed at one end of the first fixed plate 51, and the motor shaft of the third motor 56 The second slide rail 52 is fixedly connected to one end of the second bidirectional screw rod 55, and the second slide rail 52 is slidably installed with the second slide plate 53, which is penetrated by the second bidirectional screw rod 55, and the second slide plate 53 is threadedly connected with the second bidirectional screw rod 55, and the second slide plate 53 is fixedly installed with the clamping plate 54, and the pipeline is placed between the mounting structures 3, and the first motor 22 is used to rotate and control the support plate 31 to slide, and the third motor 56 is started, and the clamping plate 54 is controlled to move by the third motor 56, and the pipeline is clamped by the clamping plate 54, and then the pipeline is welded, and the second motor 43 is started, and the gear disc 41 is controlled to rotate by the second motor 43, and the pipeline is driven to rotate by the gear disc 41, so as to facilitate the welding of the pipeline;

[0024] See also Figure 1 to Figure 5A sliding structure 6 is provided at the top of the bottom plate 12, and the sliding structure 6 includes a rack 61 and a third slide rail 62. The third slide rail 62 is slidably mounted on the bottom plate 12, and the rack 61 is fixedly mounted on the top of the third slide rail 62. A fourth motor 63 is installed at the bottom of the bottom plate 12, and a second gear 64 is installed on the motor shaft of the fourth motor 63. The second gear 64 and the rack 61 are meshed with each other. A grinding structure 7 is provided on the rack 61, and the grinding structure 7 includes a second fixed plate 71, and the second fixed plate 71 is fixedly mounted on the top of the rack 61. Slide rod 72, a grinding knife 74 is installed at one end of slide rod 72, and spring 73 is installed on slide rod 72. When pipeline welding is completed, start toothed disc 41 to drive pipeline to rotate through toothed disc 41, start fourth motor 63, drive second gear 64 to rotate through motor shaft of fourth motor 63, drive rack 61 to slide through second gear 64, drive second fixed plate 71 to move through rack 61, drive slide rod 72 and grinding knife 74 to move through second fixed plate 71, contact with pipeline through grinding knife 74, and grind pipeline welding seam through grinding knife 74.

[0025] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.

[0026] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

Claims

1. A special clamping device for HVAC pipe welding, comprising a support structure (1), wherein the support structure (1) comprises a support column (11) and a bottom plate (12), wherein the bottom plate (12) is fixedly mounted on the top of the support column (11), characterized in that: A telescopic structure (2) is arranged at the top of the bottom plate (12); a mounting structure (3) is arranged at the top of the bottom plate (12); the mounting structure (3) comprises a support plate (31); a rotating structure (4) is arranged on the support plate (31); the rotating structure (4) comprises a toothed disc (41); a clamping structure (5) is arranged on the toothed disc (41); a sliding structure (6) is arranged at the top of the bottom plate (12); the sliding structure (6) comprises a rack (61); and a grinding structure (7) is arranged on the rack (61).

2. A special clamping device for HVAC pipe welding according to claim 1, characterized in that: The telescopic structure (2) comprises a first bidirectional screw rod (21), the first bidirectional screw rod (21) being rotatably mounted on a base plate (12), a first motor (22) being mounted on one end of the base plate (12), a motor shaft of the first motor (22) being fixedly connected to one end of the first bidirectional screw rod (21), and a threaded sleeve (23) being threadedly mounted on the first bidirectional screw rod (21).

3. A special clamping device for HVAC pipe welding according to claim 2, characterized in that: The mounting structure (3) comprises a first slide plate (32) and a first slide rail (33), wherein the first slide rail (33) is fixedly mounted on both sides of the top end of the base plate (12), the first slide plate (32) is slidably mounted on the first slide rail (33), and the first slide plate (32) is fixedly connected to the threaded sleeve (23), and the support plate (31) is fixedly mounted on the top end of the first slide plate (32).

4. A special clamping device for HVAC pipe welding according to claim 1, characterized in that: The rotating structure (4) comprises a first gear (42), the toothed disc (41) and the first gear (42) are respectively rotatably mounted on a support plate (31), the first gear (42) and the toothed disc (41) are meshed with each other, a second motor (43) is mounted at one end of the support plate (31) away from the toothed disc (41), and a motor shaft of the second motor (43) is fixedly connected to the first gear (42).

5. The special clamping device for HVAC pipe welding according to claim 1 is characterized in that: The clamping structure (5) comprises a first fixed plate (51), the first fixed plate (51) is fixedly mounted on the toothed disc (41), a second slide rail (52) is fixedly mounted on the first fixed plate (51), a second bidirectional screw rod (55) is rotatably mounted on the first fixed plate (51), a third motor (56) is mounted on one end of the first fixed plate (51), a motor shaft of the third motor (56) is fixedly connected to one end of the second bidirectional screw rod (55), a second slide plate (53) is slidably mounted on the second slide rail (52), the second slide plate (53) is penetrated by the second bidirectional screw rod (55), and the second slide plate (53) is threadedly connected to the second bidirectional screw rod (55), and a clamping plate (54) is fixedly mounted on the second slide plate (53).

6. A special clamping device for HVAC pipe welding according to claim 1, characterized in that: The sliding structure (6) comprises a rack (61) and a third slide rail (62); the third slide rail (62) is slidably mounted on the base plate (12); the rack (61) is fixedly mounted on the top of the third slide rail (62); a fourth motor (63) is mounted on the bottom of the base plate (12); a second gear (64) is mounted on the motor shaft of the fourth motor (63); and the second gear (64) and the rack (61) are meshed with each other.

7. A special clamping device for HVAC pipe welding according to claim 6, characterized in that: The grinding structure (7) comprises a second fixed plate (71), the second fixed plate (71) is fixedly mounted on the top of the rack (61), a slide rod (72) is slidably mounted on the second fixed plate (71), a grinding knife (74) is mounted on one end of the slide rod (72), and a spring (73) is mounted on the slide rod (72).

Images