Anti-indentation device for bending thin-wall metal pipe

Abstract

The invention discloses a thin-wall metal pipe bending anti-indentation device, and relates to the technical field of heat dissipation strip machining, the thin-wall metal pipe bending anti-indentation device comprises an operation table, the upper surface of the operation table is fixedly connected with a fixing column, the surface of the fixing column is sleeved with a bending rolling pressing wheel, the upper surface of the operation table is provided with a lower die plate, and the thin-wall metal pipe bending anti-indentation device further comprises an upper die plate and a lower die plate, the thin-wall metal pipe bending indentation prevention device comprises an operation table and an abutting device which is used for preventing indentation on the surface of a heat dissipation strip when the heat dissipation strip is bent, and the abutting device comprises an abutting plate installed on the upper surface of the operation table. When the thin-wall metal pipe bending device is used for bending the notebook computer heat dissipation strip, the heat dissipation strip can be pressed, so that the effect of limiting the position of the heat dissipation strip is achieved, indentations on the surface of the heat dissipation strip are avoided as much as possible when the heat dissipation strip is bent, the appearance and quality of the heat dissipation strip are guaranteed as much as possible, and the heat dissipation strip is convenient to use. And the service life of the heat dissipation strip is ensured as much as possible.

Description

Technical Field

[0001] The invention relates to the technical field of heat dissipation strip processing, in particular to a thin-wall metal tube bending anti-indentation device. Background Art

[0002] When producing laptop computers, in order to ensure the performance of the laptop computers during use, it is necessary to install heat sinks inside the laptop computers. In order to increase the heat dissipation area of ​​the heat sinks inside the laptop computers as much as possible, the heat sinks are usually bent, so as to increase the surface area of ​​the installed heat sinks as much as possible without destroying the integrity of the heat sinks.

[0003] The above-mentioned and existing related technologies often have the following defects: In the prior art, when using a metal tube bending device to bend the heat sink, due to the lack of restrictions on the position of the heat sink, when the heat sink is bent, it is often easy to cause indentations on the surface, thereby affecting the appearance and quality of the heat sink.

[0004] Therefore, we propose a thin-walled metal tube bending anti-indentation device. Summary of the invention

[0005] The object of the present invention is to provide a thin-walled metal tube bending anti-indentation device to solve the problems raised in the above background technology.

[0006] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a thin-walled metal tube bending anti-indentation device, comprising an operating table, the upper surface of the operating table is fixedly connected to a fixed column, the surface of the fixed column is covered with a bending rolling pressure wheel, the upper surface of the operating table is installed with a lower template, and also includes: a pressing device arranged on the upper surface of the operating table to prevent indentations from appearing on the surface of the heat dissipation strip when the heat dissipation strip is bent, the pressing device comprises a pressing plate installed on the upper surface of the operating table, two pressing grooves are provided on the side of the pressing plate close to the lower template, a block is fixedly connected to the upper surface of the pressing plate, the surface of the fixed column is covered with a sleeve plate, the block is tightly fitted to the inner wall of the sleeve plate, and the sleeve plate The inner wall of the sleeve has two arc blocks slidably connected thereto; a positioning device is arranged on the upper surface of the lower template for positioning the sleeve plate, the positioning device includes a sleeve rod fixedly connected to the upper surface of the lower template, the inner wall of the sleeve rod is provided with two first sliding grooves, the surfaces of the first sliding grooves on the two sleeve rods are slidably connected with first sliders, the sides of the two first sliders close to each other are fixedly connected with slide plates, and the slide plates are slidably connected to the inner wall of the sleeve rod; a limiting device is arranged on both sides of the sleeve plate for disassembling the pressure plate, the limiting device includes two control rods respectively installed on both sides of the sleeve plate, the surfaces of the two control rods are fixedly connected with top plates, and the surfaces of the two control rods are fixedly connected with pressure plates.

[0007] The effects achieved by the above components are as follows: by setting the pressing device, the heat sink can be pressed during the process of bending the heat sink of the laptop computer using the thin-walled metal tube bending device, thereby achieving the effect of limiting the position of the heat sink, avoiding as much as possible the appearance of indentations on the surface of the heat sink when bending the heat sink, thereby ensuring the appearance and quality of the heat sink as much as possible, and ensuring the service life of the heat sink as much as possible; by setting the positioning device, the position of the sleeve can be positioned and fixed by the lower template and the fixing column during the installation of the pressing plate, thereby positioning the installation position of the pressing plate, facilitating the installation of the pressing plate, and at the same time ensuring as much as possible that the pressing plate will not move during the bending of the heat sink, thereby ensuring the quality of the bending of the heat sink as much as possible; by setting the limiting device, when the pressing plate needs to be disassembled, the position of the arc block can be restricted, thereby avoiding as much as possible the situation that the arc block affects the disassembly of the pressing plate, thereby facilitating the operation of disassembling the pressing plate as much as possible.

[0008] Preferably, the pressing device also includes a rotating plate rotatably connected to the inner wall of the fixed column, the rotating plate is tightly fitted with the sleeve plate, and an arc rod is fixedly connected to the side of the rotating plate away from the pressing plate, and the arc rod is slidably connected to the inner wall of the fixed column.

[0009] The effect achieved by the above components is that the rotating plate connected to the inner wall of the fixed column can be rotated, and the position of the sleeve plate can be restricted by setting the rotating plate.

[0010] Preferably, a second spring is sleeved on the surface of the arc-shaped rod, and two ends of the second spring are fixedly connected to the rotating plate and the fixing column respectively.

[0011] The effects achieved by the above components are: by setting the arc-shaped rod, the position of the second spring can be restricted, and by setting the second spring, the position of the rotating plate can be restricted.

[0012] Preferably, the two arc-shaped blocks are fixedly connected to one side away from each other with a pull rod, the two pull rods are slidably connected to the inner wall of the sleeve plate, and the two pull rods are fixedly connected to a pull plate at one end away from the arc-shaped blocks.

[0013] The effects achieved by the above components are: by arranging the pull rod and the pull plate, the position of the arc block can be easily adjusted, and by arranging the pull plate, the pull rod can be easily moved.

[0014] Preferably, a first spring is sleeved on the surface of the pull rod, and two ends of the first spring are fixedly connected to the arc block and the sleeve plate respectively.

[0015] The effect achieved by the above components is: by setting the first spring, the position of the arc block can be limited, and at the same time, after the arc block moves, it can be guaranteed to return to the original position.

[0016] Preferably, the inner wall of the fixed column is fixedly connected to an arc plate, the inner wall of the arc plate is slidably connected to a limiting rod, the end of the limiting rod away from the rotating plate is fixedly connected to a circular plate, the surface of the limiting rod is sleeved with a third spring, and the two ends of the third spring are respectively fixedly connected to the arc plate and the circular plate.

[0017] The effects achieved by the above components are: by setting the arc plate, the limit rod can be connected to the fixed column, by setting the circular plate, the third spring can be easily installed, by setting the third spring, the position of the limit rod can be limited, and by setting the limit rod, the rotation of the rotating plate can be limited.

[0018] Preferably, the positioning device also includes an insertion rod slidably connected to the inner wall of the sleeve rod, the end of the insertion rod away from the slide board is fixedly connected to the first lifting plate, the surface of the insertion rod is sleeved with a fourth spring, and the two ends of the fourth spring are respectively fixedly connected to the first lifting plate and the sleeve rod.

[0019] The effects achieved by the above components are: by setting the first lifting plate, the fourth spring can be easily installed, by setting the fourth spring, the position of the insertion rod can be restricted, and by setting the insertion rod, the position of the slide board can be restricted when the slide board is stored.

[0020] Preferably, the inner wall of the sleeve plate is slidably connected with a connecting rod, the end of the connecting rod away from the slide plate is fixedly connected with the second lifting plate, the surface of the connecting rod is sleeved with a fifth spring, and the two ends of the fifth spring are respectively fixedly connected to the second lifting plate and the sleeve plate.

[0021] The effects achieved by the above components are: by providing the fifth spring, a stable connection between the connecting rod and the sleeve plate can be ensured, and by providing the connecting rod, the position of the slide plate can be restricted.

[0022] Preferably, the limiting device also includes two handles fixedly connected to the side of the support plate away from the top plate, second sliding grooves are opened on both sides of the sleeve plate, and the surfaces of the second sliding grooves on the two sleeve plates are slidably connected with second sliders, and the second sliders are fixedly connected to the control rod.

[0023] The effects achieved by the above components are: by providing the handle, the control rod can be easily moved, and by providing the second slider, the control rod can be stably connected to the sleeve plate and can be moved at the same time.

[0024] Preferably, the inner wall of the second slider is slidably connected with a fixing rod, the fixing rod is fixedly connected to the surface of the second slide groove on the sleeve plate, the surface of the fixing rod is sleeved with a sixth spring, and both ends of the sixth spring are respectively fixedly connected to the sleeve plate and the second slider.

[0025] The effects achieved by the above components are: by setting the fixing rod, the position of the sixth spring can be restricted, and by setting the sixth spring, the position of the second sliding block can be restricted.

[0026] Compared with the prior art, the present invention has the following beneficial effects:

[0027] 1. The present invention provides a pressing device, which can press the heat sink when the thin-walled metal tube bending device is used to bend the heat sink of the laptop computer, thereby achieving the effect of limiting the position of the heat sink, and avoiding as much as possible the appearance of indentations on the surface of the heat sink when the heat sink is bent, thereby ensuring the appearance and quality of the heat sink as much as possible, and ensuring the service life of the heat sink as much as possible.

[0028] 2. The present invention provides a positioning device, and during the process of installing the pressure plate, the position of the sleeve plate can be positioned and fixed by the lower template and the fixing column, so that the installation position of the pressure plate can be positioned, which facilitates the installation of the pressure plate. At the same time, it can ensure as much as possible that the pressure plate will not move during the bending of the heat dissipation strip, thereby ensuring the quality of the bending of the heat dissipation strip as much as possible.

[0029] 3. The present invention provides a limit device, and when the pressure plate needs to be disassembled, the position of the arc block can be restricted to avoid the arc block from affecting the disassembly of the pressure plate as much as possible, thereby facilitating the operation of disassembling the pressure plate as much as possible. BRIEF DESCRIPTION OF THE DRAWINGS

[0030] Figure 1 It is a schematic diagram of the overall structure of the present invention;

[0031] Figure 2 It is a structural schematic diagram of another angle of the present invention;

[0032] Figure 3 It is a structural schematic diagram of a fixed column of the present invention;

[0033] Figure 4 For the present invention Figure 3 Schematic diagram of the local structure;

[0034] Figure 5 For the present invention Figure 1 Schematic diagram of the local structure;

[0035] Figure 6 For the present invention Figure 2 A magnified image of point A;

[0036] Figure 7 It is a structural schematic diagram of the arc block of the present invention;

[0037] Figure 8 For the present invention Figure 2Schematic diagram of the local structure;

[0038] Fig. 9 It is a schematic diagram of the explosion structure of the positioning device of the present invention;

[0039] Fig.10 It is a schematic structural diagram of the limiting device of the present invention.

[0040] In the figure: 1-operating table; 2-bending rolling pressure wheel; 3-lower template; 4-fixed column; 5-pressing device; 501-pressing plate; 502-pressing groove; 503-set plate; 504-block; 505-arc block; 506-pull rod; 507-pull plate; 508-first spring; 509-rotating plate; 510-arc rod; 511-second spring; 512-arc plate; 513-limiting rod; 51 4-circular plate; 515-third spring; 6-positioning device; 61-sleeve rod; 62-slide plate; 63-insertion rod; 64-first lifting plate; 65-fourth spring; 66-connecting rod; 67-second lifting plate; 68-fifth spring; 69-first slider; 7-limiting device; 71-control rod; 72-top plate; 73-butt plate; 74-handle; 75-second slider; 76-fixing rod; 77-sixth spring. DETAILED DESCRIPTION

[0041] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the 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.

[0042] See also Figure 1-10The present invention provides a technical solution: a thin-walled metal tube bending anti-indentation device, comprising an operating table 1, a fixed column 4 is fixedly connected to the upper surface of the operating table 1, a bending rolling pressure wheel 2 is sleeved on the surface of the fixed column 4, a lower template 3 is installed on the upper surface of the operating table 1, and also includes: a pressing device 5 arranged on the upper surface of the operating table 1 to prevent indentations on the surface of the heat dissipation strip when the heat dissipation strip is bent, the pressing device 5 comprises a pressing plate 501 installed on the upper surface of the operating table 1, two pressing grooves 502 are provided on the side of the pressing plate 501 close to the lower template 3, a block 504 is fixedly connected to the upper surface of the pressing plate 501, a sleeve plate 503 is sleeved on the surface of the fixed column 4, the block 504 is tightly fitted on the inner wall of the sleeve plate 503, and the inner wall of the sleeve plate 503 is slidably connected There are two arc blocks 505; a positioning device 6 is arranged on the upper surface of the lower template 3 for positioning the sleeve plate 503, the positioning device 6 includes a sleeve rod 61 fixedly connected to the upper surface of the lower template 3, and the inner wall of the sleeve rod 61 is provided with two first sliding grooves, and the surfaces of the first sliding grooves on the two sleeve rods 61 are slidably connected with first sliders 69, and the sides of the two first sliders 69 close to each other are fixedly connected with a slide plate 62, and the slide plate 62 is slidably connected to the inner wall of the sleeve rod 61; a limiting device 7 is arranged on both sides of the sleeve plate 503 for disassembling the pressure plate 501, and the limiting device 7 includes two control rods 71 ​​respectively installed on both sides of the sleeve plate 503, the surfaces of the two control rods 71 ​​are fixedly connected with top plates 72, and the surfaces of the two control rods 71 ​​are fixedly connected with a pressure plate 73. By providing the pressing device 5, the heat dissipation strip can be pressed when the notebook computer heat dissipation strip is bent by the thin-walled metal tube bending device, thereby achieving the effect of limiting the position of the heat dissipation strip, avoiding the occurrence of indentations on the surface of the heat dissipation strip when bending the heat dissipation strip as much as possible, thereby ensuring the appearance and quality of the heat dissipation strip as much as possible, and ensuring the service life of the heat dissipation strip as much as possible; by providing the positioning device 6, the position of the sleeve plate 503 can be positioned and fixed by the lower template 3 and the fixing column 4 during the installation of the pressing plate 501, thereby positioning the installation position of the pressing plate 501, facilitating the installation of the pressing plate 501, and at the same time, ensuring that the pressing plate 501 will not move during the bending of the heat dissipation strip as much as possible, thereby ensuring the quality of the bending of the heat dissipation strip as much as possible; by providing the limiting device 7, when the pressing plate 501 needs to be disassembled, the position of the arc block 505 can be restricted, thereby avoiding the arc block 505 affecting the disassembly of the pressing plate 501 as much as possible, thereby facilitating the operation of disassembling the pressing plate 501 as much as possible.

[0043] The specific arrangement and functions of the pressing device 5, the positioning device 6 and the limiting device 7 are described in detail below.

[0044] like Figure 1-Figure 7As shown, the pressing device 5 also includes a rotating plate 509 rotatably connected to the inner wall of the fixed column 4, the rotating plate 509 is tightly fitted with the sleeve plate 503, and the side of the rotating plate 509 away from the pressing plate 501 is fixedly connected with an arc-shaped rod 510, and the arc-shaped rod 510 is slidably connected to the inner wall of the fixed column 4. The rotating plate 509 rotatably connected to the inner wall of the fixed column 4 can rotate, and by setting the rotating plate 509, the position of the sleeve plate 503 can be restricted. The surface of the arc-shaped rod 510 is covered with a second spring 511, and the two ends of the second spring 511 are fixedly connected to the rotating plate 509 and the fixed column 4 respectively. By setting the arc-shaped rod 510, the position of the second spring 511 can be restricted, and by setting the second spring 511, the position of the rotating plate 509 can be restricted. The two arc-shaped blocks 505 are fixedly connected to the side away from each other with a pull rod 506, and the two pull rods 506 are slidably connected to the inner wall of the sleeve plate 503, and the ends of the two pull rods 506 away from the arc-shaped block 505 are fixedly connected to a pull plate 507. By providing the pull rod 506 and the pull plate 507, the position of the arc-shaped block 505 can be easily adjusted, and by providing the pull plate 507, the pull rod 506 can be easily moved.

[0045] The surface of the pull rod 506 is covered with a first spring 508, and the two ends of the first spring 508 are fixedly connected to the arc block 505 and the sleeve plate 503 respectively. By setting the first spring 508, the position of the arc block 505 can be limited, and at the same time, after the arc block 505 moves, it can be guaranteed to return to the original position. The inner wall of the fixed column 4 is fixedly connected with an arc plate 512, and the inner wall of the arc plate 512 is slidably connected with a limit rod 513, and the end of the limit rod 513 away from the rotating plate 509 is fixedly connected with a circular plate 514, and the surface of the limit rod 513 is covered with a third spring 515, and the two ends of the third spring 515 are fixedly connected to the arc plate 512 and the circular plate 514 respectively. By setting the arc plate 512, the limit rod 513 can be connected to the fixed column 4. By setting the circular plate 514, the third spring 515 can be easily installed. By setting the third spring 515, the position of the limit rod 513 can be limited. By setting the limit rod 513, the rotation of the rotating plate 509 can be limited.

[0046] like Figure 2 and Figure 8 as well as Fig. 9 As shown, the positioning device 6 also includes an insertion rod 63 slidably connected to the inner wall of the sleeve rod 61, and the end of the insertion rod 63 away from the slide plate 62 is fixedly connected to the first lifting plate 64, and the surface of the insertion rod 63 is sleeved with a fourth spring 65, and the two ends of the fourth spring 65 are respectively fixedly connected to the first lifting plate 64 and the sleeve rod 61. By providing the first lifting plate 64, the fourth spring 65 can be easily installed, and by providing the fourth spring 65, the position of the insertion rod 63 can be limited. By providing the insertion rod 63, the position of the slide plate 62 can be limited when the slide plate 62 is stored.

[0047] The inner wall of the sleeve plate 503 is slidably connected with a connecting rod 66, one end of the connecting rod 66 away from the slide plate 62 is fixedly connected with a second lifting plate 67, a fifth spring 68 is sleeved on the surface of the connecting rod 66, and the two ends of the fifth spring 68 are respectively fixedly connected to the second lifting plate 67 and the sleeve plate 503. By providing the fifth spring 68, a stable connection between the connecting rod 66 and the sleeve plate 503 can be ensured, and by providing the connecting rod 66, the position of the slide plate 62 can be limited.

[0048] like Figure 1 and Figure 2 as well as Figure 5 and Fig.10 As shown, the limiting device 7 also includes two handles 74 fixedly connected to the side of the abutment plate 73 away from the top plate 72, and second slide grooves are provided on both sides of the sleeve plate 503. The surfaces of the second slide grooves on the two sleeve plates 503 are slidably connected with second sliders 75, and the second sliders 75 are fixedly connected to the control rod 71. By providing the handles 74, the control rod 71 can be easily moved, and by providing the second sliders 75, the control rod 71 can be stably connected to the sleeve plate 503 while being able to move the control rod 71.

[0049] The inner wall of the second slider 75 is slidably connected with a fixing rod 76, which is fixedly connected to the surface of the second slide groove on the sleeve plate 503. The surface of the fixing rod 76 is sleeved with a sixth spring 77, and the two ends of the sixth spring 77 are respectively fixedly connected to the sleeve plate 503 and the second slider 75. By providing the fixing rod 76, the position of the sixth spring 77 can be limited, and by providing the sixth spring 77, the position of the second slider 75 can be limited.

[0050] Working principle: before processing the heat dissipation strip through the thin-walled metal tube bending device, pull the circular plate 514 to drive the limiting rod 513 to slide on the inner wall of the arc plate 512, so that the circular plate 514 moves away from the arc plate 512, and rotate the rotating plate 509 to make the arc-shaped rod 510 slide on the inner wall of the fixed column 4. At this time, the rotating plate 509 rotates close to the limiting rod 513, and the circular plate 514 is released. Under the action of the elastic force of the third spring 515, the limiting rod 513 moves close to the rotating plate 509 to limit the position of the rotating plate 509. Then, the moving sleeve plate 503 is close to the fixed column 4 on the operating table 1, and the circular plate 514 is pulled to drive the limiting rod 513 to move away from the rotating plate 509. At this time, under the action of the elastic force of the second spring 511, the rotating plate 509 rotates close to the sleeve plate 503 to limit the position of the sleeve plate 503, and the pressing plate 501 is moved to make the block 504 move close to the arc block 505. During the movement of block 504, it pushes the arc block 505 so that the pull rod 506 slides on the inner wall of the sleeve plate 503 and the pull plate 507 moves away from the sleeve plate 503. When the block 504 moves away from the arc block 505, under the action of the elastic force of the first spring 508, the pull plate 507 moves close to the sleeve plate 503, and the arc block 505 limits the position of the block 504. Then, the heat sink is moved through the pressing groove 502 on the pressing plate 501, and the heat sink can be bent by the bending rolling pressure wheel 2 and the lower template 3. By setting the pressing device 5, the heat sink can be pressed during the process of bending the heat sink of the laptop computer using the thin-walled metal tube bending device, thereby achieving the effect of limiting the position of the heat sink, avoiding as much as possible the appearance of indentations on the surface of the heat sink when bending the heat sink, thereby ensuring the appearance and quality of the heat sink as much as possible, and ensuring the service life of the heat sink as much as possible.

[0051] After the sleeve plate 503 is installed, the first lifting plate 64 is pulled to drive the insertion rod 63 to move away from the slide plate 62, thereby releasing the restriction on the position of the slide plate 62. Then, the slide plate 62 is moved close to the fixing column 4, and the first lifting plate 64 is released. Under the action of the elastic force of the fourth spring 65, the first lifting plate 64 moves close to the sleeve rod 61, and the second lifting plate 67 is pulled to drive the connecting rod 66 to slide on the inner wall of the sleeve plate 503. The slide plate 62 is continued to be moved to make it stuck in the sleeve plate 503, and the second lifting plate 67 is released. Under the action of the elastic force of the fifth spring 68, the connecting rod 66 moves close to the slide plate 62 to complete the connection between the slide plate 62 and the sleeve plate 503. In order to limit the position of the sleeve plate 503, by setting the first slider 69, the connection between the slide plate 62 and the sleeve rod 61 can be ensured while the slide plate 62 can be moved. By setting the positioning device 6, the position of the sleeve plate 503 can be positioned and fixed by the lower template 3 and the fixing column 4 during the installation of the pressure plate 501, so that the installation position of the pressure plate 501 can be positioned, which facilitates the installation of the pressure plate 501. At the same time, it can be ensured as much as possible that the pressure plate 501 will not move during the bending of the heat dissipation strip, thereby ensuring the quality of the bending of the heat dissipation strip as much as possible.

[0052] When it is necessary to disassemble the pressure plate 501, first move the control rod 71 through the handle 74 to drive the top plate 72 to move away from the pulling plate 507. Then, pull the pulling plate 507 to drive the arc block 505 to move away from the block 504, thereby releasing the restriction on the position of the pressure plate 501 and releasing the handle 74. At this time, under the action of the elastic force of the sixth spring 77, the second slider 75 slides on the surface of the fixing rod 76, so that the pressure plate 73 moves close to the pulling plate 507, restricting the position of the pulling plate 507, and then moving the pressure plate 501 away from the bending rolling pressure wheel 2. By setting the limit device 7, when it is necessary to disassemble the pressure plate 501, by restricting the position of the arc block 505, the situation in which the arc block 505 affects the disassembly of the pressure plate 501 can be avoided as much as possible, thereby facilitating the operation of disassembling the pressure plate 501 as much as possible.

[0053] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0054] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A thin-walled metal tube bending and anti-indentation device, comprising an operating table (1), characterized in that: The upper surface of the operating table (1) is fixedly connected to a fixing column (4), the surface of the fixing column (4) is sleeved with a bending rolling pressure wheel (2), the upper surface of the operating table (1) is installed with a lower template (3), and further comprises: A pressing device (5) is arranged on the upper surface of the operating table (1) and is used to prevent the heat dissipation strip from having an indentation on its surface when the heat dissipation strip is subjected to bending processing. The pressing device (5) comprises a pressing plate (501) installed on the upper surface of the operating table (1). Two pressing grooves (502) are provided on the side of the pressing plate (501) close to the lower template (3). A block (504) is fixedly connected to the upper surface of the pressing plate (501). A sleeve plate (503) is sleeved on the surface of the fixed column (4). The block (504) is tightly fitted on the inner wall of the sleeve plate (503). Two arc-shaped blocks (505) are slidably connected to the inner wall of the sleeve plate (503). A positioning device (6) is arranged on the upper surface of the lower template (3) for positioning the sleeve plate (503), the positioning device (6) comprising a sleeve rod (61) fixedly connected to the upper surface of the lower template (3), the inner wall of the sleeve rod (61) is provided with two first sliding grooves, the surfaces of the first sliding grooves on the two sleeve rods (61) are slidably connected with first sliders (69), and the sides of the two first sliders (69) close to each other are fixedly connected with a slide plate (62), and the slide plate (62) is slidably connected to the inner wall of the sleeve rod (61); A limiting device (7) is arranged on both sides of the sleeve plate (503) for disassembling the pressure plate (501), wherein the limiting device (7) comprises two control rods (71) respectively installed on both sides of the sleeve plate (503), the surfaces of the two control rods (71) are fixedly connected to a top plate (72), and the surfaces of the two control rods (71) are fixedly connected to a pressure plate (73).

2. A thin-walled metal tube bending anti-indentation device according to claim 1, characterized in that: The pressing device (5) further comprises a rotating plate (509) rotatably connected to the inner wall of the fixed column (4), the rotating plate (509) being tightly fitted with the sleeve plate (503), and a curved rod (510) being fixedly connected to the side of the rotating plate (509) away from the pressing plate (501), and the curved rod (510) being slidably connected to the inner wall of the fixed column (4).

3. A thin-walled metal tube bending anti-indentation device according to claim 2, characterized in that: A second spring (511) is sleeved on the surface of the arc-shaped rod (510), and two ends of the second spring (511) are fixedly connected to the rotating plate (509) and the fixing column (4) respectively.

4. The thin-walled metal tube bending anti-indentation device according to claim 1, characterized in that: The two arc-shaped blocks (505) are fixedly connected to one side away from each other with a pull rod (506), and the two pull rods (506) are slidably connected to the inner wall of the sleeve plate (503), and the ends of the two pull rods (506) away from the arc-shaped blocks (505) are fixedly connected to a pull plate (507).

5. The thin-walled metal tube bending anti-indentation device according to claim 4, characterized in that: The surface of the pull rod (506) is sleeved with a first spring (508), and two ends of the first spring (508) are fixedly connected to the arc block (505) and the sleeve plate (503) respectively.

6. The thin-walled metal tube bending anti-indentation device according to claim 2, characterized in that: The inner wall of the fixed column (4) is fixedly connected to an arc plate (512), the inner wall of the arc plate (512) is slidably connected to a limit rod (513), one end of the limit rod (513) away from the rotating plate (509) is fixedly connected to a circular plate (514), a third spring (515) is sleeved on the surface of the limit rod (513), and two ends of the third spring (515) are respectively fixedly connected to the arc plate (512) and the circular plate (514).

7. The thin-walled metal tube bending anti-indentation device according to claim 1, characterized in that: The positioning device (6) further comprises an insertion rod (63) slidably connected to the inner wall of the sleeve rod (61); one end of the insertion rod (63) away from the slide plate (62) is fixedly connected to a first lifting plate (64); a fourth spring (65) is sleeved on the surface of the insertion rod (63); two ends of the fourth spring (65) are respectively fixedly connected to the first lifting plate (64) and the sleeve rod (61).

8. The thin-walled metal tube bending anti-indentation device according to claim 1, characterized in that: The inner wall of the sleeve plate (503) is slidably connected to a connecting rod (66), one end of the connecting rod (66) away from the slide plate (62) is fixedly connected to a second lifting plate (67), and a fifth spring (68) is sleeved on the surface of the connecting rod (66), and the two ends of the fifth spring (68) are respectively fixedly connected to the second lifting plate (67) and the sleeve plate (503).

9. The thin-walled metal tube bending anti-indentation device according to claim 1, characterized in that: The limiting device (7) further comprises two handles (74) fixedly connected to the side of the abutment plate (73) away from the top plate (72), and second slide grooves are provided on both sides of the sleeve plate (503), and second sliders (75) are slidably connected to the surfaces of the second slide grooves on the two sleeve plates (503), and the second sliders (75) are fixedly connected to the control rod (71).

10. A thin-walled metal tube bending anti-indentation device according to claim 9, characterized in that: The inner wall of the second sliding block (75) is slidably connected to a fixing rod (76), and the fixing rod (76) is fixedly connected to the surface of the second sliding groove on the sleeve plate (503). The surface of the fixing rod (76) is sleeved with a sixth spring (77), and the two ends of the sixth spring (77) are respectively fixedly connected to the sleeve plate (503) and the second sliding block (75).

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