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CN-224222423-U - Double-shaft machine head fin tube bending machine

CN224222423UCN 224222423 UCN224222423 UCN 224222423UCN-224222423-U

Abstract

The utility model relates to a double-shaft machine head finned tube bender which comprises a roller machine head 10, a roller frame 20, a first shaft rod 31, a second shaft rod 32 and a driving shaft 40, wherein the driving shaft 40 drives the roller machine head 10 to rotate, the roller machine head is provided with a first roller 11 and a second roller 12, the roller frame 20 is provided with a first shaft hole 21 and a second shaft hole 22, the first roller 11 is provided with a first roller shaft hole 11a, the second roller 12 is provided with a second roller shaft hole 12a, the first shaft rod 31 penetrates into the first roller shaft hole 11a to enable the roller machine head 10 to rotate around the first shaft hole 21, and the second shaft rod 32 penetrates into the second roller shaft hole 12a to enable the roller machine head 10 to rotate around the second shaft hole 22. The utility model adopts the first shaft lever and the second shaft lever as the central shafts of the first rotating roller and the second rotating roller, adopts the shaft lever to push the mandrel, and fixes the positions of the rotating shafts of the first rotating roller and the second rotating roller from two ends, so that the first rotating roller and the second rotating roller are positioned accurately and rotate stably.

Inventors

  • SHI YUCHENG

Assignees

  • 史玉成

Dates

Publication Date
20260512
Application Date
20250516

Claims (10)

  1. 1. The utility model provides a biax aircraft nose fin tube bending machine, its characterized in that, including roller aircraft nose (10), roller frame (20), first axostylus axostyle (31), second axostylus axostyle (32) and drive shaft (40), drive shaft (40) drive roller aircraft nose (10) rotate, roller aircraft nose is equipped with first roller (11) and second roller (12), roller frame (20) are equipped with first shaft hole (21) and second axostylus axostyle hole (22), first axostylus axostyle (31) with first shaft hole (21) are coaxial, second axostylus axostyle (32) with second axostylus axostyle hole (22) are the loose axle of axial displacement, first roller (11) are equipped with first roller shaft hole (11 a), second roller (12) are equipped with second roller shaft hole (12 a), first axostylus axostyle (31) penetrate when first roller shaft hole (11 a) first axostylus axostyle hole (10) encircle first axostyle hole (21), second axostylus axostyle (32) rotate, second axostyle (12) encircle first axostyle (12) and encircle when axostyle (22) the second axostyle) and penetrate.
  2. 2. A biaxial headpiece finned tube bender according to claim 1, characterized in that the roller frame (20) is provided with an upper frame plate (23) and a lower frame plate (24), the first shaft hole (21) penetrates the upper frame plate (23) and the lower frame plate (24), the second shaft hole (22) penetrates the upper frame plate (23) and the lower frame plate (24), the axes of the first shaft hole (21) and the second shaft hole (22) are perpendicular to the upper frame plate (23) and the lower frame plate (24), and the roller head (10) is embedded between the upper frame plate (23) and the lower frame plate (24).
  3. 3. A dual-axis aircraft nose finned tube bender according to claim 2, wherein the upper and lower shelves (23, 24) are provided with a rotating bearing at a position corresponding to the first axle hole (21), the first axle hole (21) is a bearing hole, the upper and lower shelves (23, 24) are provided with a rotating bearing at a position corresponding to the second axle hole (22), and the second axle hole (22) is a bearing hole.
  4. 4. A dual-axis fin tube bender according to claim 1, wherein the first mandrel (13) is disposed in the first mandrel hole (11 a), the second mandrel (14) is disposed in the second mandrel hole (12 a), the first mandrel (31) penetrates into the first mandrel hole (11 a) from one end, the first mandrel (31) pushes the first mandrel (13) to penetrate out of the first mandrel hole (11 a) from the other end and into the first mandrel hole (21), the second mandrel (32) penetrates into the second mandrel hole (12 a) from one end, and the second mandrel (32) pushes the second mandrel (14) to penetrate out of the second mandrel hole (12 a) from the other end and into the second mandrel hole (22).
  5. 5. The fin tube bender of a biaxial machine head according to claim 4, wherein a first return spring (13 a) is provided in the first spindle hole (11 a) to let the first spindle (13) come out of the first spindle hole (21), and a second return spring (14 a) is provided in the second spindle hole (12 a) to let the second spindle (14) come out of the second spindle hole (22).
  6. 6. The dual-shaft fin tube bender according to claim 1, wherein the roller head (10) is provided with a first head plate (15) and a second head plate (16), a first roller shaft (11 b) is arranged in the first roller (11), a second roller shaft (12 b) is arranged in the second roller (12), two ends of the first roller shaft (11 b) are respectively fixed on the first head plate (15) and the second head plate (16), two ends of the second roller shaft (12 b) are respectively fixed on the first head plate (15) and the second head plate (16), the first roller shaft (11 a) is arranged in the first roller shaft (11 b), the second roller shaft (12 a) is arranged in the second roller shaft (12 b), the first head plate (15) is provided with a driving shaft hole (17), the driving shaft (40) is connected with the driving shaft hole (17), and the driving shaft hole (17) corresponds to the middle position of the first roller (11) and the second roller (12).
  7. 7. A dual-head finned tube bender according to claim 1, characterized in that said roller frame (20) is provided with a first cylinder (33) driving said first shaft (31) axially and a second cylinder (34) driving said second shaft (32) axially.
  8. 8. The dual-shaft aircraft nose finned tube bender according to claim 1, characterized in that the driving shaft (40) is connected with a driving motor (50), the driving shaft (40) is a universal shaft, the driving shaft comprises a first ball head (41), a second ball head (42) and a shaft sleeve rod (43), the first ball head (41) and the second ball head (42) are respectively arranged at two ends of the shaft sleeve rod (43), the first ball head (41) is connected with the driving motor (50), the second ball head (42) is connected with a driving shaft hole (17) of the roller aircraft nose (10), two ends of the shaft sleeve rod (43) are respectively provided with a waist groove (44), and the first ball head and the second ball head are provided with pin shafts (45) penetrating through the waist grooves (44).
  9. 9. A dual-headed finned tube bender according to claim 8, wherein said drive shaft (40) is connected to said drive motor (50) by a torque limiter (51).
  10. 10. The dual-shaft aircraft nose finned tube bending machine according to claim 1, wherein the roller frame (20) is installed on a tube bending machine frame (60), a rotary truss (70) is arranged on the tube bending machine frame (60), the rotary truss (70) is installed on the tube bending machine frame (60) through a rotary upright post (71), the rotary upright post is driven to rotate by a rotary motor (72), the rotary truss (70) is provided with a hanging frame (73), the hanging frame (73) is provided with a hanging roller (74), and the rotary truss (70) and the roller aircraft nose (10) cooperatively rotate.

Description

Double-shaft machine head fin tube bending machine Technical Field The utility model relates to a fin tube forming and processing device, in particular to a double-shaft machine head fin tube bending machine. Background In a large-scale refrigerating device, an aluminum fin tube is often adopted as a heat exchanger (or an evaporator), and an aluminum alloy fin tube section bar with a single-piece structure can be subjected to bending processing to form a multi-bending and rotating radiating fin structure, so that a good refrigerating effect is obtained in practical application. The aluminum alloy finned tube section is usually required to be bent in application, so that a multi-bending and rotating structure is formed, and joint connection is reduced and avoided. Chinese patent application number 2023113716911 discloses a reciprocating bending device for fin tube, which is used for reciprocating bending fin tube section bar to form S-shaped multi-channel bending rotary structure. In the technical scheme, a roller driving sliding block is arranged at the lower side of the roller frame and can slide to the positions corresponding to the first roller and the second roller respectively to drive the first roller and the second roller to rotate respectively, and in production practice, other technical schemes can be used for effective substitution. In addition, in order to match the bending rotation of the finned tube, in the technical scheme, the finned tube rotating frame for bearing the finned tube is arranged on a circumferential track on the ground, so that the larger ground can be occupied, and the installation and the debugging are also more complicated. Disclosure of utility model The utility model aims to provide a double-shaft machine head fin tube bending machine, which realizes more alternative schemes of mechanical fin tube bending processing. In order to achieve the purpose, the technical scheme of the utility model is that the double-shaft fin tube pipe bender is characterized by comprising a roller head 10, a roller frame 20, a first shaft lever 31, a second shaft lever 32 and a driving shaft 40, wherein the driving shaft 40 drives the roller head 10 to rotate, the roller head is provided with a first roller 11 and a second roller 12, the roller frame 20 is provided with a first shaft hole 21 and a second shaft hole 22, the first shaft lever 31 is coaxial with the first shaft hole 21, the second shaft lever 32 is coaxial with the second shaft hole 22, the first shaft lever 31 and the second shaft lever 32 are movable shafts moving along the axial direction, the first roller 11 is provided with a first roller shaft hole 11a, the second roller 12 is provided with a second roller shaft hole 12a, the roller head 10 rotates around the first shaft hole 21 when the first shaft lever 31 penetrates into the first roller shaft hole 11a, and the roller head 10 rotates around the second shaft hole 22 when the second shaft lever 32 penetrates into the second roller shaft hole 12 a. Still further, in order to achieve a reliable structural connection of the roller head to the roller frame, the roller frame 20 is provided with an upper frame plate 23 and a lower frame plate 24, the first shaft hole 21 penetrates the upper frame plate 23 and the lower frame plate 24, the second shaft hole 22 penetrates the upper frame plate 23 and the lower frame plate 24, the axes of the first shaft hole 21 and the second shaft hole 22 are perpendicular to the upper frame plate 23 and the lower frame plate 24, and the roller head 10 is embedded between the upper frame plate 23 and the lower frame plate 24. Still further, in order to reduce the rotational friction of the shaft with the shaft hole, the upper and lower shelf plates 23 and 24 are provided with a rotational bearing at a position corresponding to the first shaft hole 21, the first shaft hole 21 is a bearing hole, the upper and lower shelf plates 23 and 24 are provided with a rotational bearing at a position corresponding to the second shaft hole 22, and the second shaft hole 22 is a bearing hole. Further, in order to shorten the operation stroke of the first shaft rod and the second shaft rod, a first mandrel 13 is arranged in the first shaft hole 11a, a second mandrel 14 is arranged in the second shaft hole 12a, the first shaft rod 31 penetrates into the first shaft hole 11a from one end, the first shaft rod 31 pushes the first mandrel 13 to penetrate out of the first shaft hole 11a from the other end and penetrate into the first shaft hole 21, the second shaft rod 32 penetrates into the second shaft hole 12a from one end, and the second shaft rod 32 pushes the second mandrel 14 to penetrate out of the second shaft hole 12a from the other end and penetrate into the second shaft hole 22. Further, in order to reset the first spindle and the second spindle along with the first shaft and the second shaft, a first reset spring 13a is disposed in the first spindle hole 11a,