Positioning structure for finned tube welding

Abstract

The utility model provides a positioning structure for finned tube welding, and relates to the technical field of positioning structures. Two sliding protrusions of T-shaped structures are welded to the top end face of the base, and a moving assembly is welded to the base. Through the arrangement of the positioning part, the front-back adjustment of the positioning position of the fin can be achieved, automatic locking can be achieved through a worm and gear structure after adjustment, and manual independent locking is not needed; secondly, positioning of fins with different thicknesses can be adapted, and when the positioning position is adjusted, the adjusting efficiency is high through driving of the adjusting rod; through the arrangement of the first rolling shaft and the second rolling shaft, due to the fact that the fins make contact with the first rolling shaft and the second rolling shaft, when the fins move, friction force can be reduced through the first rolling shaft and the second rolling shaft, and abrasion is reduced; through the arrangement of the moving assembly and the rotating assembly, rotation and leftward movement of the pipe fitting can be achieved, it is guaranteed that the fins can be wound around the pipe fitting, and the structure is reasonable.

Description

Technical Field

[0001] The utility model belongs to the technical field of positioning structures, and more specifically, relates to a positioning structure for fin tube welding. Background Art

[0002] At present, in order to improve the heat exchange efficiency, fins are usually added to the surface of the heat exchange tube to increase the surface area of ​​the heat exchange tube. Such a tube is called a finned tube. When the finned tube is welded, a positioning structure is required to position the fins.

[0003] The existing fin positioning structure will cause severe wear after a period of use, and the positioning accuracy will be reduced, which will also reduce the accuracy of the finished product; the existing positioning structure needs to be adjusted when positioning fins of different thicknesses, but the current adjustment structure has low adjustment efficiency, which affects the overall processing efficiency. Utility Model Content

[0004] In order to solve the above technical problems, the utility model provides a positioning structure for fin tube welding to solve the problem that the existing fin positioning structure will cause serious wear after a period of use, and the positioning accuracy is reduced, which also reduces the accuracy of the finished product; the existing positioning structure needs to be adjusted when positioning fins of different thicknesses, but the current adjustment structure has low adjustment efficiency, which affects the overall processing efficiency.

[0005] The purpose and effect of the positioning structure for fin tube welding of the utility model are achieved by the following specific technical means:

[0006] A positioning structure for fin tube welding comprises a base; two T-shaped sliding protrusions are welded on the top surface of the base, and a moving component is welded on the base.

[0007] Furthermore, the moving assembly is composed of a first mounting block, a second mounting block, a first motor and a first threaded rod. A first mounting block with a rectangular block structure is welded to the top surface of the base, and the second mounting block slides on two sliding protrusions; a first motor is fixed to the left end surface of the first mounting block, and a first threaded rod is fixed on the output shaft of the first motor, and the first threaded rod is threadedly connected to the second mounting block.

[0008] Furthermore, a rotating assembly is installed on the second mounting block, and the rotating assembly consists of a second motor and a clamp. A second motor is fixed on the left end face of the second mounting block, and a clamp is fixed on the output shaft of the second motor. The clamp is located on the right side of the second mounting block, and the clamp clamps the pipe fitting.

[0009] Furthermore, a positioning part is fixed to the top surface of the base, and the positioning part is composed of a mounting seat, a first guide rod, a base body, a second threaded rod, a worm gear, a third motor, a worm, a second guide rod, a positioning block, a fourth motor, an adjustment rod, a first roller and a second roller. A mounting seat is fixed to the top surface of the base by bolts, a first guide rod is slid on the mounting seat, and a base body with a concave structure is welded to one end of the front side of the first guide rod; a second threaded rod is rotated on the mounting seat, and the second threaded rod is threadedly connected to the base body.

[0010] Furthermore, a worm wheel is welded on the second threaded rod, a third motor is fixed on the mounting seat, a worm is fixed on the output shaft of the third motor, the worm rotates on the mounting seat, and the worm is engaged with the worm wheel.

[0011] Furthermore, two second guide rods are welded in the base body, two positioning blocks are slid on the two second guide rods, a fourth motor is fixed on the right end face of the base body, an adjustment rod is fixed on the output shaft of the fourth motor, and the left end and the right end of the adjustment rod are respectively threadedly connected to the two positioning blocks, and the left end and the right end of the adjustment rod have opposite thread directions.

[0012] Furthermore, a first roller is rotated on the base body, the first roller passes through two positioning blocks, and the first roller is in contact with the fin.

[0013] Furthermore, a second roller is rotated on each positioning block, and both second rollers are in contact with the fins.

[0014] Compared with the prior art, the present invention has the following beneficial effects:

[0015] Through the setting of the positioning part, first, the fin positioning position can be adjusted forward and backward, and after adjustment, it can be automatically locked through the worm gear structure without the need for personnel to lock it separately; second, it can adapt to the positioning of fins of different thicknesses, and when adjusting the positioning position, the adjustment efficiency is high through the drive of the adjustment rod.

[0016] By disposing the first roller and the second roller, the fin is in contact with the first roller and the second roller, so that when the fin moves, the first roller and the second roller can reduce friction and reduce wear.

[0017] By setting the moving component and the rotating component, the pipe can be rotated and moved to the left, ensuring that the fins can be wound around the pipe, and the structure is reasonable. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 The utility model is an axial structural schematic diagram of a positioning structure for fin tube welding.

[0019] Figure 2This utility model Figure 1 A is an enlarged structural diagram of FIG.

[0020] Figure 3 This utility model Figure 1 Schematic diagram of the axial structure after rotation.

[0021] Figure 4 This utility model Figure 3 Schematic diagram of the enlarged structure at point B.

[0022] Figure 5 This is a schematic diagram of the main structure of the positioning structure for fin tube welding of the utility model.

[0023] Figure 6 It is a schematic diagram of the axial structure of the positioning part of the utility model.

[0024] In the figure, the corresponding relationship between the component names and the drawing numbers is as follows:

[0025] 1. Base; 101. Sliding protrusion;

[0026] 2. Mobile assembly; 201. First mounting block; 202. Second mounting block; 203. First motor; 204. First threaded rod;

[0027] 3. Rotating assembly; 301. Second motor; 302. Clamp;

[0028] 4. Pipe fittings;

[0029] 5. Positioning part; 501. Mounting seat; 502. First guide rod; 503. Seat body; 504. Second threaded rod; 505. Worm gear; 506. Third motor; 507. Worm; 508. Second guide rod; 509. Positioning block; 510. Fourth motor; 511. Adjusting rod; 512. First roller; 513. Second roller. DETAILED DESCRIPTION

[0030] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention more clear, the technical solutions of the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings of the embodiments of the present invention. Obviously, the described embodiments are part of the embodiments of the present invention, not all of the embodiments. Based on the described embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0031] Unless otherwise defined, the technical or scientific terms used herein shall have the usual meanings understood by ordinary technicians in the field to which the present invention belongs. Similar words such as "one", "an" or "the" used in the specification and claims of the present utility model patent application do not indicate quantity limitations, but rather indicate the existence of at least one. Similar words such as "include" or "comprise" mean that the elements or objects appearing before the word include the elements or objects listed after the word and their equivalents. Similar words such as "connect" or "connected" are not limited to physical or mechanical connections, but may include electrical connections, whether direct or indirect. "Up", "down", "left", "right", etc. are only used to indicate relative position relationships. When the absolute position of the object being described changes, the relative position relationship may also change accordingly.

[0032] The following is a further detailed description of the embodiments of the present invention in conjunction with the accompanying drawings and examples. Example 1:

[0033] As attached Figure 1 To the attached Figure 6 As shown:

[0034] The utility model provides a positioning structure for fin tube welding, comprising a base 1; two T-shaped sliding protrusions 101 are welded on the top surface of the base 1, and a moving component 2 is welded on the base 1.

[0035] Among them, the moving component 2 is composed of a first mounting block 201, a second mounting block 202, a first motor 203 and a first threaded rod 204. A first mounting block 201 with a rectangular block structure is welded on the top surface of the base 1, and the second mounting block 202 slides on two sliding protrusions 101; a first motor 203 is fixed on the left end surface of the first mounting block 201, and a first threaded rod 204 is fixed on the output shaft of the first motor 203, and the first threaded rod 204 is threadedly connected to the second mounting block 202.

[0036] Among them, a rotating component 3 is installed on the second mounting block 202, and the rotating component 3 is composed of a second motor 301 and a clamp 302. A second motor 301 is fixed on the left end face of the second mounting block 202, and a clamp 302 is fixed on the output shaft of the second motor 301. The clamp 302 is located on the right side of the second mounting block 202, and the clamp 302 clamps the pipe fitting 4.

[0037] Among them, a positioning part 5 is fixed to the top surface of the base 1, and the positioning part 5 is composed of a mounting seat 501, a first guide rod 502, a seat body 503, a second threaded rod 504, a worm gear 505, a third motor 506, a worm 507, a second guide rod 508, a positioning block 509, a fourth motor 510, an adjusting rod 511, a first roller 512 and a second roller 513. A mounting seat 501 is fixed to the top surface of the base 1 by bolts, a first guide rod 502 is slid on the mounting seat 501, and a seat body 503 with a concave structure is welded to one end of the front side of the first guide rod 502; a second threaded rod 504 is rotated on the mounting seat 501, and the second threaded rod 504 is threadedly connected to the seat body 503.

[0038] Among them, a worm gear 505 is welded on the second threaded rod 504, a third motor 506 is fixed on the mounting seat 501, a worm 507 is fixed on the output shaft of the third motor 506, the worm 507 rotates on the mounting seat 501, and the worm 507 is engaged with the worm gear 505.

[0039] Among them, two second guide rods 508 are welded inside the base body 503, and two positioning blocks 509 are sliding on the two second guide rods 508. A fourth motor 510 is fixed on the right end face of the base body 503, and an adjusting rod 511 is fixed on the output shaft of the fourth motor 510. The left end and the right end of the adjusting rod 511 are respectively threadedly connected to the two positioning blocks 509, and the left end and the right end of the adjusting rod 511 have opposite thread directions.

[0040] A first roller 512 rotates on the base 503 , passes through the two positioning blocks 509 , and contacts the fins.

[0041] A second roller 513 rotates on each positioning block 509 , and both second rollers 513 are in contact with the fins. Example 2:

[0042] Based on Example 1, the first motor 203, the second motor 301, the third motor 506 and the fourth motor 510 are all electrically connected to the control switch of the external device. During use, the first motor 203, the second motor 301, the third motor 506 and the fourth motor 510 can be controlled to operate through the control switch of the external device.

[0043] Working principle: When in use, weld the head end of the fin to the pipe 4, place the fin between the first roller 512, and ensure that the fin is in contact with the two second rollers 513; control the second motor 301 to rotate, and when the second motor 301 rotates, it drives the pipe 4 to rotate, and the fin will be wound around the pipe 4; at the same time, control the first motor 203 to rotate, and when the first motor 203 rotates, it drives the first threaded rod 204 to rotate. Driven by the first threaded rod 204, the second mounting block 202 and the pipe 4 can be moved to the left. At this time, the fin is spirally wound around the pipe 4, and the fin is wound around the pipe 4 in the process of winding. When adjusting the front and rear position of the positioning part 5, the third motor 506 is controlled to rotate, and the third motor 506 drives the worm 507 to rotate, and the worm 507 drives the worm wheel 505 and the second threaded rod 504 to rotate. Driven by the second threaded rod 504, the seat body 503 and the positioning block 509 are adjusted in the front and rear directions; when adjusting the position of the positioning block 509, the fourth motor 510 is controlled to rotate, and the fourth motor 510 drives the adjusting rod 511 to rotate. Driven by the adjusting rod 511, the two positioning blocks 509 are synchronously adjusted in the opposite direction to achieve positioning of fins of different thicknesses.

[0044] Although the present application has been described with reference to the above embodiments, it will be understood by those skilled in the art that various changes may be made without departing from the concept and scope of the present application as defined in the appended claims. Although this specification contains many specific implementation details, these should not be interpreted as limitations on the scope of protection claimed in this application, but rather as descriptions of features specific to specific embodiments. The scope of this application is defined by the appended claims and their equivalents, and is not limited to the embodiments described above.

Claims

1. A positioning structure for fin tube welding, characterized in that: The invention comprises a base (1); two T-shaped sliding protrusions (101) are welded on the top surface of the base (1); a moving assembly (2) is welded on the base (1); the moving assembly (2) is composed of a first mounting block (201), a second mounting block (202), a first motor (203) and a first threaded rod (204); a first mounting block (201) with a rectangular block structure is welded on the top surface of the base (1); the second mounting block (202) slides on the two sliding protrusions (101); a first motor (203) is fixed on the left end surface of the first mounting block (201); the first motor (203) is fixed on the left end surface of the first mounting block (201); the first motor (203) is fixed on the left end surface of the first mounting block (201); the first motor (203) is fixed on the left end surface of the first mounting block (201); the first motor (203) is fixed on the left end surface of the first mounting block (201); the first motor (203) is fixed on the left end surface of the first mounting block (201); the first motor (203) is fixed on the left end surface of the first mounting block (201); the first motor (203) is fixed on the left end surface of the first mounting block (202 ... A first threaded rod (204) is fixed on the output shaft of the machine (203), and the first threaded rod (204) is threadedly connected to the second mounting block (202); a rotating assembly (3) is mounted on the second mounting block (202), and the rotating assembly (3) is composed of a second motor (301) and a clamp (302); a second motor (301) is fixed on the left end surface of the second mounting block (202), and a clamp (302) is fixed on the output shaft of the second motor (301), and the clamp (302) is located on the right side of the second mounting block (202), and the clamp (302) clamps the pipe (4).

2. A positioning structure for fin tube welding according to claim 1, characterized in that: A positioning portion (5) is fixed to the top surface of the base (1), and the positioning portion (5) is composed of a mounting seat (501), a first guide rod (502), a base body (503), a second threaded rod (504), a worm wheel (505), a third motor (506), a worm (507), a second guide rod (508), a positioning block (509), a fourth motor (510), an adjustment rod (511), a first roller (512), and a second roller (513). A mounting seat (501) is fixed to the top surface of the base (1) by bolts, a first guide rod (502) is slidably mounted on the mounting seat (501), and a base body (503) with a concave structure is welded to one end of the front side of the first guide rod (502); a second threaded rod (504) is rotatably mounted on the mounting seat (501), and the second threaded rod (504) is threadedly connected to the base body (503).

3. A positioning structure for fin tube welding according to claim 2, characterized in that: A worm wheel (505) is welded to the second threaded rod (504), a third motor (506) is fixed to the mounting seat (501), a worm (507) is fixed to the output shaft of the third motor (506), and the worm (507) rotates on the mounting seat (501), and the worm (507) is engaged with the worm wheel (505).

4. A positioning structure for fin tube welding according to claim 3, characterized in that: Two second guide rods (508) are welded inside the base body (503), and two positioning blocks (509) are slidably mounted on the two second guide rods (508). A fourth motor (510) is fixed to the right end face of the base body (503), and an adjustment rod (511) is fixed to the output shaft of the fourth motor (510). The left end and the right end of the adjustment rod (511) are respectively threadedly connected to the two positioning blocks (509), and the thread directions of the left end and the right end of the adjustment rod (511) are opposite.

5. A positioning structure for fin tube welding according to claim 4, characterized in that: A first roller (512) is rotatably mounted on the seat (503), and the first roller (512) passes through two positioning blocks (509). The first roller (512) is in contact with the fins.

6. A positioning structure for fin tube welding according to claim 5, characterized in that: A second roller (513) is rotated on each positioning block (509), and both second rollers (513) are in contact with the fins.

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