A bending machine for heat dissipation flat tubes

CN224824052UActive Publication Date: 2026-10-09贵州永红散热器有限责任公司
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Patent Information

Application Number
CN202522173093.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-10-14
Publication Date
2026-10-09
Estimated Expiration
2035-10-14

AI Technical Summary

Technical Problem

[0004]目前现场扁管全部靠人工折弯,每次折弯的力度和角度都存在偏差,产品的一致性较差

Benefits of technology

(1)通过利用本实用新型所提供的折弯机,利用驱动装置带动旋转座旋转一角度,旋转座带动夹持机构同步转动,使得散热扁管绕着导向辊进行折弯。实现了机械折弯代替传统的人工折弯,提高了折弯的一致性,同时有利于提高折弯效率。

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Abstract

The utility model relates to a bending equipment technical field especially relates to a bending machine for heat dissipation flat tube, and bending machine includes mainframe and sets up the panel at the top of mainframe, be provided with two clamping seats on the top surface of panel, and two clamping seats are used for clamping one heat dissipation flat tube to be bent in common, install the base plate at the center position of panel, and the rotary seat is rotatably installed at the center hole position of base plate, install the drive arrangement on the bottom surface of panel, drive arrangement is connected with rotary seat, is used for driving rotary seat rotation, install the clamping mechanism on the top lug of rotary seat, is used for clamping the end of heat dissipation flat tube, install the vertical guide roller on the base plate through guide roller seat, and the outer cylindrical surface of guide roller is contacted with the vertical side of heat dissipation flat tube. The bending machine has realized the mechanical bending instead of traditional manual bending, and has improved the consistency and efficiency of bending.
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Description

Technical Field

[0001] This utility model relates to the field of bending equipment technology, and in particular to a bending machine for heat dissipation flat tubes. Background Technology

[0002] Combination Figure 1 The diagram shows the structure of a battery heat sink, which is mainly composed of multiple flat heat dissipation tubes 100 and two nozzles 101.

[0003] Combination Figure 2 As shown, both ends of the heat dissipation flat tube 100 need to be bent. However, the incoming material for the heat dissipation flat tube 100 is currently a straight flat tube without bending at both ends. The bent flat tubes need to be assembled and welded to obtain the desired result. Figure 1 The battery heat sink shown.

[0004] Currently, all flat tubes on-site are bent manually, resulting in inconsistencies in the force and angle of each bend and poor product consistency. Therefore, there is an urgent need for a bending machine for heat dissipation flat tubes to solve the problems of poor consistency and low efficiency associated with manual bending. Utility Model Content

[0005] The main purpose of this invention is to provide a bending machine for heat dissipation flat tubes, aiming to solve the above-mentioned technical problems.

[0006] To achieve the above objectives, this utility model proposes a bending machine for heat dissipation flat tubes, comprising a main frame and a panel disposed on the top of the main frame; two clamping seats are disposed on the top surface of the panel, the two clamping seats being used together to clamp a heat dissipation flat tube to be bent; a base plate is mounted at the center of the panel, and a rotating seat is rotatably mounted at the center hole of the base plate; a driving device is mounted on the bottom surface of the panel, the driving device being connected to the rotating seat and used to drive the rotating seat to rotate; a clamping mechanism is mounted on the top protrusion of the rotating seat for clamping the end of the heat dissipation flat tube; a vertical guide roller is mounted on the base plate via a guide roller seat, and the outer cylindrical surface of the guide roller is in contact with the vertical side surface of the heat dissipation flat tube.

[0007] Preferably, the drive device includes a planetary reducer and a servo motor; the planetary reducer is securely mounted on the bottom surface of the panel; the housing of the servo motor is securely connected to the housing of the planetary reducer; the output shaft of the servo motor is connected to the input shaft of the planetary reducer; and the output shaft of the planetary reducer is connected to the rotary base.

[0008] Preferably, the bottom end of the guide roller seat is provided with a flange plate, and the flange plate is fastened to the base plate by screws; a U-shaped opening is provided on the vertical side of the guide roller seat, and the guide roller is installed in the U-shaped opening by a rotating shaft.

[0009] Preferably, each of the card holders includes a base block and two L-shaped blocks; the base block is fastened to the panel by screws; the horizontal plate of the L-shaped block is fastened to the base block by screws, and the vertical plates of the two L-shaped blocks are spaced apart to form a slot for engaging the heat dissipation flat tube.

[0010] Preferably, two oblong holes are provided on the horizontal plate of the L-shaped block to form screw through holes.

[0011] Preferably, the clamping mechanism includes a fixed clamping plate, a movable clamping plate, and a horizontal quick clamp; the lower end of the fixed clamping plate is fastened to the top protrusion of the rotating seat by screws; the movable clamping plate is mounted on the fixed clamping plate by movable bolts, and a spring is provided between the movable clamping plate and the fixed clamping plate; a clamping plate is mounted on the fixed clamping plate by a connecting rod; the horizontal quick clamp is mounted on the clamping plate, and the horizontal quick clamp is used to press the movable clamping plate.

[0012] Preferably, four bolt seats are provided on the fixed clamping plate, and the movable bolt passes through the central hole of the bolt seat and is screwed onto the movable clamping plate.

[0013] Preferably, a flat key is embedded between the top protrusion of the rotating seat and the fixed clamping plate; a pin is provided between the top protrusion of the rotating seat and the fixed clamping plate, with the upper end of the pin inserted in the fixed clamping plate and the lower end inserted in the top protrusion of the rotating seat.

[0014] Preferably, a limiting plate is installed on the fixed clamp; the limiting plate is located between the fixed clamp and the movable clamp; the limiting plate is used to abut against the end face of the heat dissipation flat tube.

[0015] Preferably, a rotation limiting block is provided on the rotating seat; an arc-shaped limiting groove is provided on the bottom surface of the substrate, and the rotation limiting block is slidably inserted into the arc-shaped limiting groove.

[0016] Due to the adoption of the above technical solution, the beneficial effects of this utility model are as follows: (1) By using the bending machine provided by this utility model, the driving device drives the rotating seat to rotate at an angle, and the rotating seat drives the clamping mechanism to rotate synchronously, so that the heat dissipation flat tube is bent around the guide roller. Mechanical bending is realized to replace the traditional manual bending, which improves the consistency of bending and also helps to improve bending efficiency.

[0017] (2) The bending machine provided by this utility model adopts a clamping mechanism consisting of a fixed clamping plate, a movable clamping plate and a horizontal quick clamp, which can quickly clamp the heat dissipation flat tube, which is conducive to improving the clamping efficiency. Attached Figure Description

[0018] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on the structures shown in these drawings without creative effort.

[0019] Figure 1 This is a schematic diagram of a battery heat sink. Figure 2 This is a schematic diagram of the heat dissipation flat tube structure; Figure 3 Schematic diagram of the overall structure of the bending machine provided by this utility model Figure 1 ; Figure 4 for Figure 3 Enlarged view of point A in the middle; Figure 5 Schematic diagram of the overall structure of the bending machine provided by this utility model Figure 2 ; Figure 6 for Figure 5 Enlarged view of point B in the middle; Figure 7 This is a schematic diagram of the clamping mechanism in this utility model after the movable clamping plate has been removed; Figure 8 Schematic diagram of the overall structure of the bending machine provided by this utility model Figure 3 ; Figure 9 This is a schematic diagram showing the connection between the clamping mechanism and the driving device in this utility model; Figure 10 for Figure 9 Enlarged view of point C in the middle; Figure 11 This is a schematic diagram of the bottom structure of the substrate in this utility model; Figure 12 This is a schematic diagram showing the usage state of the bending machine provided by this utility model.

[0020] Explanation of reference numerals: 1. Main frame; 2. Panel; 3. Card slot; 3a. Base block; 3b. L-shaped block; 3c. Waist-shaped hole; 4. Base plate; 4a. Arc-shaped limiting groove; 5. Rotating seat; 5a. Rotating limiting block; 6. Clamping mechanism; 6a. Fixed clamping plate; 6b. Movable clamping plate; 6c. Connecting rod; 6d. Clamping plate; 6e. Horizontal quick clamp; 6f. Limiting plate; 6g. Bolt seat; 7. Guide roller seat; 7a. U-shaped opening; 8. Guide roller; 9. Drive device; 9a. Planetary reducer; 9b. Servo motor; 10. Flat key; 11. Pin; 12. First auxiliary frame; 13. Second auxiliary frame; 100. Heat dissipation flat tube; 101. Nozzle. Detailed Implementation

[0021] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0022] It should be noted that all directional indicators (such as up, down, left, right, front, back, etc.) in this utility model embodiment are only used to explain the relative positional relationship and movement of each component in a certain specific posture (as shown in the figure). If the specific posture changes, the directional indicator will also change accordingly.

[0023] Furthermore, the use of terms such as "first" and "second" in this utility model is for descriptive purposes only and should not be construed as indicating or implying their relative importance or implicitly specifying the number of technical features indicated. Therefore, a feature defined as "first" or "second" may explicitly or implicitly include at least one of that feature. Additionally, the technical solutions of the various embodiments can be combined with each other, but only on the basis of being achievable by those skilled in the art. When the combination of technical solutions is contradictory or impossible to implement, such a combination of technical solutions should be considered non-existent and not within the scope of protection claimed by this utility model.

[0024] Combination Figures 3 to 11As shown, a bending machine for heat dissipation flat tubes includes a main frame 1 and a panel 2 disposed on the top of the main frame 1. Two clamping seats 3 are disposed on the top surface of the panel 2, which together clamp a heat dissipation flat tube 100 to be bent. A base plate 4 is mounted at the center of the panel 2, and a rotating seat 5 is rotatably mounted at the center hole of the base plate 4. A driving device 9 is mounted on the bottom surface of the panel 2, and the driving device 9 is connected to the rotating seat 5 to drive the rotating seat 5 to rotate. A clamping mechanism 6 is mounted on the top protrusion of the rotating seat 5 to clamp the end of the heat dissipation flat tube 100. A vertical guide roller 8 is mounted on the base plate 4 via a guide roller seat 7, and the outer cylindrical surface of the guide roller 8 contacts the vertical side surface of the heat dissipation flat tube 100. By utilizing the guide roller 8 for guidance, when the driving device 9 drives the rotating seat 5 to rotate at an angle, the rotating seat 5 drives the clamping mechanism 6 to rotate synchronously, causing the heat dissipation flat tube 100 to bend around the guide roller 8.

[0025] Combination Figure 9 As shown, the drive device 9 includes a planetary reducer 9a and a servo motor 9b; the planetary reducer 9a is securely mounted on the bottom surface of the panel 2; the housing of the servo motor 9b is securely connected to the housing of the planetary reducer 9a; the output shaft of the servo motor 9b is connected to the input shaft of the planetary reducer 9a; and the output shaft of the planetary reducer 9a is connected to the rotating base 5. In this embodiment, the planetary reducer 9a is a Xinliying AD / ADR090 disc planetary reducer; the servo motor 9b is an Huichuan MS1H4 servo motor. In this embodiment, the bending angle is adjusted by the servo motor 9b, and the bending angle range is 0-120°.

[0026] Combination Figure 4 As shown, a flange plate is provided at the bottom end of the guide roller seat 7, and the flange plate is fastened to the base plate 4 by screws; a U-shaped opening 7a is provided on the vertical side of the guide roller seat 7, and the guide roller 8 is installed in the U-shaped opening 7a by a rotating shaft. During bending, the guide roller seat 7 is fixed, and the rotating seat 5 drives the clamping mechanism 6 to rotate synchronously, so that the heat dissipation flat tube 100 is bent around the guide roller 8. Therefore, the guide roller 8 plays a guiding role, and the heat dissipation flat tube 100 is bent at the position of the guide roller 8.

[0027] Combination Figure 4As shown, each of the mounting brackets 3 includes a base block 3a and two L-shaped blocks 3b. The base block 3a is fastened to the panel 2 by screws. The horizontal plate of the L-shaped block 3b is mounted to the base block 3a by screws. The vertical plates of the two L-shaped blocks 3b are spaced apart to form a slot for engaging the heat dissipation flat tube 100. Furthermore, two oblong holes 3c are provided on the horizontal plate of the L-shaped block 3b to form screw through holes. During assembly, the distance between the two L-shaped blocks 3b can be adjusted, thereby adjusting the width of the formed slot to accommodate heat dissipation flat tubes 100 of different thicknesses. Combination Figure 4 , Figure 6 and Figure 7 , Figure 10 As shown, the clamping mechanism 6 includes a fixed clamping plate 6a, a movable clamping plate 6b, and a horizontal quick clamp 6e. The lower end of the fixed clamping plate 6a is fastened to the top protrusion of the rotating seat 5 by screws. The movable clamping plate 6b is mounted on the fixed clamping plate 6a by movable bolts, and a spring is provided between the movable clamping plate 6b and the fixed clamping plate 6a, so that the movable clamping plate 6b forms a floating structure. Specifically, four bolt seats 6g are provided on the fixed clamping plate 6a, and the movable bolts pass through the central holes of the bolt seats 6g and are screwed onto the movable clamping plate 6b. A clamping plate 6d is mounted on the fixed clamping plate 6a via a connecting rod 6c. The horizontal quick clamp 6e is mounted on the clamping plate 6d and is used to clamp the movable clamping plate 6b. When clamping the end of the heat dissipation flat tube 100, the movable clamping plate 6b is pressed by the horizontal quick clamp 6e, so that the movable clamping plate 6b and the fixed clamping plate 6a jointly clamp the end of the heat dissipation flat tube 100. In the clamping state, the pressure handle and the handle of the horizontal quick clamp 6e are in a horizontal position, and the clamping arm clamps the workpiece horizontally. The horizontal quick clamp 6e is a standard component and will not be described in detail here.

[0028] Combination Figure 10 As shown, in order to prevent relative movement between the fixed clamping plate 6a and the top protrusion of the rotating seat 5, a flat key 10 is embedded between the top protrusion of the rotating seat 5 and the fixed clamping plate 6a; furthermore, a pin 11 is provided between the top protrusion of the rotating seat 5 and the fixed clamping plate 6a, with the upper end of the pin 11 inserted in the fixed clamping plate 6a and the lower end inserted in the top protrusion of the rotating seat 5.

[0029] Combination Figure 7 As shown, a limiting plate 6f is installed on the fixed clamping plate 6a; the limiting plate 6f is located between the fixed clamping plate 6a and the movable clamping plate 6b; the limiting plate 6f is used to abut against the end face of the heat dissipation flat tube 100 to play a limiting role.

[0030] Combination Figure 9and Figure 11 As shown, a rotation limiting block 5a is provided on the rotating base 5; an arc-shaped limiting groove 4a is provided on the bottom surface of the base plate 4, and the rotation limiting block 5a is slidably inserted into the arc-shaped limiting groove 4a. By utilizing the limiting structure formed by the arc-shaped limiting groove 4a and the rotation limiting block 5a, the maximum rotation angle of the rotating base 5 is 120 degrees.

[0031] Combination Figure 3 As shown, a first sub-frame 12 is provided on one side of the main frame 1, and a second sub-frame 13 is provided on the other side; a first platform is provided on the top surface of the first sub-frame 12 for placing the blank of the heat dissipation flat tube 100; a second platform is provided on the top surface of the second sub-frame 13 for placing the bent heat dissipation flat tube 100.

[0032] Combination Figure 12 As shown, the method of using the above-mentioned bending machine includes the following steps: S1. The heat dissipation flat tube 100 to be bent is clamped in the two clamping seats 3, and one end of the heat dissipation flat tube 100 extends into the clamping mechanism 6, and the clamping mechanism 6 clamps the end of the heat dissipation flat tube 100. Specifically, the operator pushes the handle of the horizontal quick clamp 6e so that the pressure handle and the handle are horizontal, and the clamp arm horizontally clamps the movable clamping plate 6b, so that the movable clamping plate 6b and the fixed clamping plate 6a together clamp the end of the heat dissipation flat tube 100.

[0033] S2. Start the drive device 9, which drives the rotating seat 5 to rotate by an angle. The rotating seat 5 drives the clamping mechanism 6 to rotate synchronously, so that the heat dissipation flat tube 100 is bent around the guide roller 8. Specifically, the servo motor 9b transmits power to the planetary reducer 9a, which then drives the rotating seat 5 to rotate. The rotation angle of the rotating seat 5 is no more than 120 degrees.

[0034] S3. After bending, release the clamping mechanism 6, remove the heat dissipation flat tube 100, and complete the bending operation of one end of the heat dissipation flat tube 100; start the drive device 9 to drive the rotating seat 5 to move in the opposite direction to reset.

[0035] S4. Repeat steps S1 to S3 to bend the other end of the heat dissipation flat tube 100.

[0036] The above description is only a preferred embodiment of the present utility model and does not limit the patent scope of the present utility model. All equivalent structural transformations made under the concept of the present utility model and using the contents of the present utility model specification and drawings, or direct / indirect applications in other related technical fields, are included in the patent protection scope of the present utility model.

Claims

1. A bending machine for heat dissipation flat tubes, characterized in that, Includes a main frame (1) and a panel (2) disposed on top of the main frame (1); Two card holders (3) are provided on the top surface of the panel (2), and the two card holders (3) are used together to attach a heat dissipation flat tube (100) to be bent. A base plate (4) is installed at the center of the panel (2), and a rotating seat (5) is rotatably installed at the center hole of the base plate (4); a driving device (9) is installed on the bottom surface of the panel (2) to drive the rotating seat (5) to rotate. A clamping mechanism (6) is installed on the top protrusion of the rotating seat (5) for clamping the end of the heat dissipation flat tube (100); a vertical guide roller (8) is installed on the substrate (4) through the guide roller seat (7), and the outer cylindrical surface of the guide roller (8) is in contact with the vertical side of the heat dissipation flat tube (100).

2. The bending machine according to claim 1, characterized in that, The drive device (9) includes a planetary reducer (9a) and a servo motor (9b); the planetary reducer (9a) is fixedly mounted on the bottom surface of the panel (2); the housing of the servo motor (9b) is fixedly connected to the housing of the planetary reducer (9a); the output shaft of the servo motor (9b) is connected to the input shaft of the planetary reducer (9a); the output shaft of the planetary reducer (9a) is connected to the rotating base (5).

3. The bending machine according to claim 1, characterized in that, The bottom end of the guide roller seat (7) is provided with a flange plate, and the flange plate is fastened to the base plate (4) by screws; a U-shaped opening (7a) is provided on the vertical side of the guide roller seat (7), and the guide roller (8) is installed in the U-shaped opening (7a) by a rotating shaft.

4. The bending machine according to claim 1, characterized in that, Each of the card holders (3) includes a base block (3a) and two L-shaped blocks (3b); The base block (3a) is fastened to the panel (2) by screws; The horizontal plate of the L-shaped block (3b) is mounted on the base block (3a) by screws, and the vertical plates of the two L-shaped blocks (3b) are spaced apart to form a slot for engaging the heat dissipation flat tube (100).

5. The bending machine according to claim 4, characterized in that, Two oblong holes (3c) are provided on the horizontal plate of the L-shaped block (3b) to form screw through holes.

6. The bending machine according to claim 1, characterized in that, The clamping mechanism (6) includes a fixed clamping plate (6a), a movable clamping plate (6b), and a horizontal quick clamp (6e); the lower end of the fixed clamping plate (6a) is fastened to the top protrusion of the rotating seat (5) by screws; The movable clamping plate (6b) is mounted on the fixed clamping plate (6a) by a movable bolt, and a spring is provided between the movable clamping plate (6b) and the fixed clamping plate (6a); The fixed clamp plate (6a) is equipped with a clamp seat plate (6d) via a connecting rod (6c); The horizontal quick clamp (6e) is mounted on the clamp base plate (6d) and is used to clamp the movable clamp plate (6b).

7. The bending machine according to claim 6, characterized in that, Four bolt seats (6g) are provided on the fixed clamping plate (6a), and the movable bolt passes through the central hole of the bolt seat (6g) and is screwed onto the movable clamping plate (6b).

8. The bending machine according to claim 6, characterized in that, A flat key (10) is embedded between the top protrusion of the rotating seat (5) and the fixed clamp (6a). A pin (11) is provided between the top protrusion of the rotating seat (5) and the fixed clamping plate (6a). The upper end of the pin (11) is inserted into the fixed clamping plate (6a), and the lower end is inserted into the top protrusion of the rotating seat (5).

9. The bending machine according to claim 6, characterized in that, A limiting plate (6f) is installed on the fixed clamping plate (6a); the limiting plate (6f) is located between the fixed clamping plate (6a) and the movable clamping plate (6b); the limiting plate (6f) is used to abut against the end face of the heat dissipation flat tube (100).

10. The bending machine according to claim 1, characterized in that, A rotation limiting block (5a) is provided on the rotating seat (5); an arc-shaped limiting groove (4a) is provided on the bottom surface of the substrate (4), and the rotation limiting block (5a) is slidably inserted into the arc-shaped limiting groove (4a).