Circuit board bending equipment

Abstract

The utility model relates to the technical field of circuit board production, and discloses circuit board bending equipment which comprises a supporting seat and a prefabricated seat fixedly connected to the upper surface of the supporting seat, and four T-shaped grooves are formed in the inner wall of the prefabricated seat. According to the circuit board bending equipment, after the heating piece is started, heat energy is transmitted to the T-shaped metal block, then the T-shaped metal block conducts the heat energy to the metal bending base, the flexible circuit board placed on the metal bending base is preheated gradually in the process, the flexible circuit board is made to deform more easily, and therefore damage to materials caused by sudden bending is reduced, and the service life of the flexible circuit board is prolonged. And after the bending operation is completed, the air pump is started, a proper amount of air generated in the air bin is conveyed to a specified air hole through the air pipe and is finally discharged from the air hole, and meanwhile, the bent flexible circuit board is slightly pushed upwards by the air flow, so that the rapid and nondestructive material taking work is realized, and the working efficiency is improved. And the metal bending base can be quickly disassembled, assembled and replaced through the arranged first clamping mechanism.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of circuit board production, in particular to a circuit board bending equipment. BACKGROUND

[0002] Nowadays, in the era of electronic products becoming smaller and smaller and more and more functional, flexible circuit boards are widely used in the manufacturing field of electronic products due to their light, small and thin characteristics. In the manufacturing process of electronic products, the attaching process of the flexible circuit board is a relatively important link. With the increasing functions of electronic products, the flexible circuit board is required not only to be used in two-dimensional plane, but also to be assembled and used in three-dimensional space. Therefore, in the current attaching process of the flexible circuit board, many positions need to bend and attach the flexible circuit board, which requires bending the flexible circuit board before attaching.

[0003] The existing patent (publication number: CN220043779U) discloses a flexible circuit board bending equipment, and its technical scheme points include a lower mounting seat and an upper mounting seat. The lower mounting seat includes a base. The base is provided with a mounting gap. A cooperating block is movably arranged in the mounting gap. The cooperating block is provided with a bending gap. The upper mounting seat is displaced up and down under the action of external force. The upper mounting seat includes a top plate. The top plate is provided with a bending block. The lower end of the bending block is provided with a bending protrusion adapted to the bending gap. The top plate is provided with a plurality of guide columns. The guide columns movably pass through the bending block. The guide columns are located on both sides of the bending protrusion. The cooperating block is provided with a through hole for facilitating the insertion of the guide columns. The present application has the beneficial effects of convenient replacement and adjustment.

[0004] Although the bending structure in the above-mentioned comparative document can achieve adjustment, the wires or base materials in the flexible circuit board are prone to cracking due to excessive stress when bent at low temperature, and the flexible circuit board cannot be conveniently and non-destructively taken out after the bending work is completed. In order to solve the above-mentioned problems, a circuit board bending equipment is proposed. Content of the utility model

[0005] In view of the deficiencies of the prior art, the present application provides a circuit board bending equipment which can preheat the flexible circuit board before bending, reduce the bending modulus of elasticity of the material, prevent cracking, and use gas to assist in taking out the material after bending, so as to quickly and non-destructively take out the flexible circuit board.

[0006] To achieve the above object, the application provides the following technical scheme: a circuit board bending device, comprising a support seat and a prefabricated seat fixedly connected to the upper surface of the support seat, four T-shaped grooves are formed in the inner wall of the prefabricated seat, a heating sheet is mounted on the inner wall of each T-shaped groove, and the inner wall of the prefabricated seat is fixedly connected with uniformly distributed air pipes, the bottom surface of the support seat is fixedly connected with an air chamber, the bottom ends of the air pipes are located inside the air chamber, and two symmetrical air pumps are mounted on the bottom of the air chamber.

[0007] The inner part of the prefabricated seat is provided with a lower bending assembly and a first clamping mechanism, the lower bending assembly comprises a metal bending base, a plurality of air holes formed on the upper surface of the metal bending base on both sides, and a bending groove formed in the inner wall of the metal bending base, the positions and sizes of the air holes correspond to those of the air pipes, the metal bending base is clamped on the inner wall of the prefabricated seat through the first clamping mechanism, the upper surface of the support seat is fixedly connected with a bending cylinder through a support, the output end of the bending cylinder is provided with an upper bending assembly, and the inner wall of the upper bending assembly is clamped with a bending block matched with the bending groove.

[0008] Through the above scheme, the metal bending base can be heated by starting the heating sheet, which can preheat the flexible circuit board placed on the metal bending base waiting to be bent, so that the flexible circuit board is easy to deform, avoiding the sudden bending force to damage the material, thereby improving the bending quality and yield, and after the bending work is completed, the two air pumps can be started to generate appropriate gas in the air chamber, the gas in the air chamber is transported to the corresponding air holes through the air pipes, and finally the gas is discharged through the air holes and pushes the bent flexible circuit board upward, realizing fast and lossless material taking work, the first clamping mechanism can be used to quickly disassemble and replace the metal bending base, the upper bending assembly can be used to quickly disassemble and replace the bending block, and no screwdriver or other tools are needed, which is more convenient to replace.

[0009] Further, the first clamping mechanism comprises four T-shaped metal blocks fixedly connected to the outer surface of the metal bending base, the four T-shaped metal blocks are respectively slidably sleeved on the inner walls of the four T-shaped grooves, and are respectively in contact with the corresponding heating sheets.

[0010] Through the above scheme, the T-shaped metal block can be inserted into the T-shaped groove, so that the metal bending base can be slidably sleeved in the inner part of the prefabricated seat.

[0011] Further, first limiting holes are formed on both sides of the outer surface of the metal bending base, two first limiting rods are slidably sleeved on the inner wall of the prefabricated seat, and the first limiting rods are matched with the first limiting holes.

[0012] Through the above scheme, the first limiting rod can be inserted into the first limiting hole, and the metal bending base can be clamped in the inner part of the prefabricated seat.

[0013] Further, the outer surface of the two first limiting rods is fixedly connected with a push piece, the side of the two push pieces close to each other is fixedly connected with a first telescopic spring, and the ends of the two first telescopic springs close to each other are fixedly connected with the outer surface of the prefabricated seat.

[0014] Through the above scheme, the position of the first limiting rod can be limited by setting the first telescopic spring, and the first limiting rod is prevented from moving randomly.

[0015] Further, the output end of the upper bending assembly is fixedly connected with a bending top seat, the inner wall of the bending top seat is provided with two guide grooves, and the inner wall of each guide groove is slidably sleeved with a second limiting rod.

[0016] Through the above scheme, the bending block can be installed below the bending top seat by setting the guide groove, and the other components can be limited by setting the second limiting rod.

[0017] Further, the side of the two second limiting rods close to each other is fixedly connected with a second telescopic spring, the ends of the two second telescopic springs close to each other are fixedly connected with the outer surface of the bending top seat, and the two second telescopic springs are sleeved outside the two second limiting rods.

[0018] Through the above scheme, the position of the second limiting rod can be limited by setting the second telescopic spring, so that the second limiting rod can maintain good limiting effect.

[0019] Further, the upper surface of the bending block is fixedly connected with two guide blocks, and the side of the two guide blocks away from each other is provided with a second limiting hole.

[0020] Through the above scheme, the guide block can be limitedly installed in the bending top seat by setting the second limiting hole.

[0021] Further, the size of the second limiting hole is consistent with the size of the output end of the second limiting rod, and the size value of the guide block is consistent with the size value of the guide groove.

[0022] Through the above scheme, the relationship between the components is limited, so that the output end of the second limiting rod can be inserted into the second limiting hole for limiting, and the guide block can be smoothly inserted into the guide groove.

[0023] Compared with the prior art, the technical scheme of the present application has the following beneficial effects:

[0024] The circuit board bending device, after the heating sheet is started, heat energy is transmitted to the T-shaped metal block, and then the T-shaped metal block conducts heat to the metal bending base, this process gradually preheats the flexible circuit board placed on the metal bending base, makes it more easily deformed, thereby reducing the damage to the material caused by sudden bending, improving the bending quality and yield, after the bending operation is completed, the air pump is started, and the appropriate gas generated in the air tank is transported to the specified air hole through the air pipe and finally discharged from the air hole, at the same time, the airflow gently pushes the flexible circuit board which has completed the bending upwards, realizes fast and lossless material taking work, through the setting of the first clamping mechanism, the metal bending base can be quickly disassembled and replaced, through the setting of the upper bending assembly, the bending block can be quickly disassembled and replaced, and without the help of screwdrivers and other tools, the replacement is more convenient, in summary, the circuit board bending device combines efficient heating and pneumatic mechanism, and convenient disassembly design, ensures the efficiency and accuracy in the bending process, and at the same time, the potential damage to the flexible circuit board is minimized. BRIEF DESCRIPTION OF DRAWINGS

[0025] Figure 1 It is a schematic diagram of the overall top view structure of the structure of the present application;

[0026] Figure 2 It is a schematic diagram of the local top view structure of the structure of the present application;

[0027] Figure 3 It is a schematic diagram of the local explosion structure of the structure of the present application;

[0028] Figure 4 It is a schematic diagram of the local cross-sectional structure of the structure of the present application;

[0029] Figure 5 It is a schematic diagram of the bending block structure of the structure of the present application.

[0030] In the figure:

[0031] 1, support seat; 2, prefabricated seat; 3, T-shaped groove; 4, heating sheet; 5, air pipe; 6, air tank; 7, air pump; 8, lower bending assembly; 801, metal bending base; 802, air hole; 803, bending groove; 9, first clamping mechanism; 901, T-shaped metal block; 902, first limiting hole; 903, first limiting rod; 904, push piece; 905, first extension spring; 10, bending cylinder; 11, upper bending assembly; 1101, bending top seat; 1102, guide groove; 1103, second limiting rod; 1104, second extension spring; 1105, guide block; 1106, second limiting hole; 12, bending block. DETAILED DESCRIPTION

[0032] With reference to the drawings of the embodiments of the present application, the technical solutions in the embodiments of the present application will be clearly and completely described. Obviously, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments of the present application. Based on the embodiments of the present application, all the other embodiments obtained by those of ordinary skill in the art without creative effort should fall into the scope of the present application.

[0033] Please refer to Figure 1 , Figure 2 and Figure 4 A circuit board bending device in the embodiment comprises a support seat 1 and a prefabricated seat 2 fixedly connected to the upper surface of the support seat 1. Four T-shaped grooves 3 are formed in the inner wall of the prefabricated seat 2. A heating sheet 4 is mounted on the inner wall of each T-shaped groove 3. The heating sheet 4 can heat and preheat the flexible circuit board in cooperation with other components. The inner wall of the prefabricated seat 2 is fixedly connected with uniformly distributed air pipes 5. The bottom surface of the support seat 1 is fixedly connected with an air chamber 6. The bottom ends of the plurality of air pipes 5 are located inside the air chamber 6. Two symmetrical air pumps 7 are mounted on the bottom of the air chamber 6. When the two air pumps 7 are started, the air chamber 6 can generate an appropriate amount of gas. The gas generated in the air chamber 6 can be transported through the air pipes 5. It should be noted that the power of the air pump 7 should be adjusted before use.

[0034] Please refer to Figure 2 , Figure 3 and Figure 4The interior of the prefabricated seat 2 is provided with a lower bending assembly 8 and a first clamping mechanism 9. The lower bending assembly 8 comprises a metal bending base 801 and a plurality of air holes 802 formed on the upper surface of the metal bending base 801 on both sides, and a bending groove 803 formed on the inner wall of the metal bending base 801. The positions and sizes of the air holes 802 correspond to the gas pipe 5, and the top end of the gas pipe 5 is located inside the air hole 802. When the air pump 7 is started, the gas can be transported through the air tank 6 and the gas pipe 5, and finally discharged through the plurality of uniformly distributed air holes 802. In this way, the gas can push the flexible circuit board that has been bent upwards until it is separated from the bending groove 803, realizing fast and lossless material taking work. It should be noted that the aperture of the air hole 802 needs to be small enough to avoid physical indentation on the flexible circuit board, while ensuring smooth flow of the gas. The metal bending base 801 is clamped on the inner wall of the prefabricated seat 2 through the first clamping mechanism 9. The first clamping mechanism 9 comprises four T-shaped metal blocks 901 fixedly connected to the outer surface of the metal bending base 801. When the heating sheet 4 is started, the T-shaped metal block 901 can be heated. The heat of the T-shaped metal block 901 is transferred to the metal bending base 801, thereby being able to preheat the flexible circuit board placed on the metal bending base 801. This can reduce the elastic modulus of the flexible circuit board, making it softer, thereby reducing the mechanical stress during bending and avoiding cracking during the bending process, optimizing the quality of bending.

[0035] Please refer to Figure 2 , Figure 3 and Figure 4 , the four T-shaped metal blocks 901 are respectively slidably sleeved on the inner walls of the four T-shaped grooves 3 and are respectively in contact with the corresponding heating sheets 4. The T-shaped metal block 901 can be inserted into the T-shaped groove 3, so that the metal bending base 801 can be slidably sleeved in the interior of the prefabricated seat 2. The outer surface of the metal bending base 801 is provided with first limiting holes 902 on both sides. The inner wall of the prefabricated seat 2 is slidably sleeved with two first limiting rods 903. The first limiting rod 903 is matched with the first limiting hole 902, so that the first limiting rod 903 can be inserted into the first limiting hole 902, and the metal bending base 801 can be clamped in the interior of the prefabricated seat 2. The outer surfaces of the two first limiting rods 903 are fixedly connected with the two push pieces 904. The mutually close sides of the two push pieces 904 are fixedly connected with the first extension springs 905. The mutually close ends of the two first extension springs 905 are respectively fixedly connected with the outer surfaces of the two sides of the prefabricated seat 2. The first extension spring 905 can be used to limit the position of the first limiting rod 903, avoiding the first limiting rod 903 from moving randomly.

[0036] Please refer to Figure 1 and Figure 5The upper surface of the support base 1 is fixedly connected with a bending cylinder 10 through a support, the output end of the bending cylinder 10 is provided with an upper bending assembly 11, the inner wall of the upper bending assembly 11 is clamped with a bending block 12 matched with the bending groove 803, the output end of the upper bending assembly 11 is fixedly connected with a bending top seat 1101, the inner wall of the bending top seat 1101 is provided with two guide grooves 1102, the inner wall of each guide groove 1102 is slidably provided with a second limiting rod 1103, the guide groove 1102 can conveniently install the bending block 12 below the bending top seat 1101, the second limiting rod 1103 can conveniently limit other components, the side face of the second limiting rod 1103 close to each other is fixedly connected with a second extension spring 1104, the two ends of the second extension spring 1104 close to each other are respectively fixedly connected with the outer surface of the bending top seat 1101, the second extension spring 1104 is respectively provided outside the second limiting rod 1103, the second extension spring 1104 can limit the position of the second limiting rod 1103, so that the second limiting rod 1103 can keep good limiting effect, the upper surface of the bending block 12 is fixedly connected with two guide blocks 1105, the side face of the guide block 1105 away from each other is provided with a second limiting hole 1106, the second limiting hole 1106 can conveniently limit the installation of the guide block 1105 in the bending top seat 1101, the size of the second limiting hole 1106 is consistent with the size of the output end of the second limiting rod 1103, the size value of the guide block 1105 is consistent with the size value of the guide groove 1102, the relationship between the components can make the output end of the second limiting rod 1103 inserted into the second limiting hole 1106 to limit it, and also make the guide block 1105 smoothly inserted into the guide groove 1102.

[0037] It should be noted that the metal bending base 801 and the bending block 12 are replaceable components, different shapes of the bending groove 803 can be selected according to actual needs, and the corresponding bending block 12 of the bending groove 803 is installed below the bending cylinder 10 through the upper bending assembly 11, but the position of the air hole 802 on the upper surface of the metal bending base 801 does not change, which is corresponding to the air pipe 5, and the outer surface of the metal bending base 801 should be provided with a T-shaped metal block 901 corresponding to the T-shaped groove 3, and a first limiting hole 902 corresponding to the first limiting rod 903 is provided, in general, it is only to replace the metal bending base 801 with different shapes of the bending groove 803, other components are not changed, and the meaning of replacing the bending block 12 is also as above.

[0038] In the embodiment, the T-shaped metal block 901 can be heated by starting the heating sheet 4, and the heat is transmitted to the metal bending base 801 through the T-shaped metal block 901, so that the flexible circuit board placed on the metal bending base 801 for waiting for bending can be preheated, the flexible circuit board is easy to deform, sudden bending force is avoided to cause damage to the material, so as to improve the bending quality and yield, after the bending work is completed, the two air pumps 7 can be started to generate appropriate gas in the air chamber 6, the gas in the air chamber 6 is transported to the corresponding air hole 802 through the air pipe 5, finally the gas is discharged through the air hole 802, and the flexible circuit board after bending is pushed upward to realize fast and lossless material taking work, the metal bending base 801 can be quickly disassembled and replaced through the first clamping mechanism 9, the bending block 12 can be quickly disassembled and replaced through the upper bending assembly 11, and the tool such as screwdriver is not needed, and the replacement is more convenient.

[0039] The working principle of the above embodiment is that the flexible circuit board to be bent is placed above the metal bending base 801, then the four heating sheets 4 are started, the four heating sheets 4 can transmit heat to the metal bending base 801 through the four T-shaped metal blocks 901, and the flexible circuit board placed on the metal bending base 801 can be preheated, after the preheating work is completed, the work of the heating sheet 4 can be stopped, then the bending cylinder 10 is started, the bending block 12 can be driven to move downward through the upper bending assembly 11, the flexible circuit board can be bent and formed through the downward movement of the bending block 12 and the cooperation of the bending groove 803, after the forming is completed, the two air pumps 7 are started, appropriate gas can be generated in the air chamber 6 when the two air pumps 7 are started, the gas in the air chamber 6 is transported through the air pipe 5, since the top end of the air pipe 5 is located in the air hole 802, the gas can be discharged outward through the air hole 802, and then the bent and formed flexible circuit board can be pushed upward by the gas to realize fast and lossless material taking work, the metal bending base 801 can be replaced by pulling the two first limiting rods 903, the bending block 12 can be replaced by pulling the two second limiting rods 1103, and the bending structure can be adjusted.

[0040] It is to be understood that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting; it is not intended to exclude myriad other embodiments of the present application that other inventors can develop based on the same general inventive concepts embodied by the enclosed claims. That is, although the present application is described in terms of particular embodiments and illustrative figures, it should be apparent that the application can be varied in a multitude of ways. Such alterations, many of which will be apparent to those skilled in the art, can be based on current technology, and as such, this application should not be limited to the particular embodiments described herein, but should be understood to include all embodiments that are within the scope of the appended claims and their equivalents.

[0041] While the embodiments of the application have been shown and described herein, it will be understood by those skilled in the art that many changes, modifications, substitutions and alterations to these embodiments can be made without departing from the principles and spirits of the application, which can be limited only by the scope of the appended claims and their equivalents.

Claims

1. A circuit board bending apparatus comprising a support base (1) and a pre-bending base (2) fixedly connected to the upper surface of the support base (1), characterized in that: The inner wall of the prefabricated seat (2) is provided with four T-shaped grooves (3), and the inner wall of each T-shaped groove (3) is provided with a heating sheet (4); the inner wall of the prefabricated seat (2) is fixedly connected with air pipes (5) which are uniformly distributed; the bottom surface of the support seat (1) is fixedly connected with an air chamber (6), and the bottom ends of the air pipes (5) are located inside the air chamber (6); and the bottom of the air chamber (6) is provided with two symmetrical air pumps (7). The inside of the prefabricated seat (2) is provided with a lower bending assembly (8) and a first clamping mechanism (9); the lower bending assembly (8) comprises a metal bending base (801), a plurality of air holes (802) provided on the two sides of the upper surface of the metal bending base (801), and a bending groove (803) provided on the inner wall of the metal bending base (801); the positions and sizes of the air holes (802) correspond to those of the air pipes (5); the metal bending base (801) is clamped to the inner wall of the prefabricated seat (2) through the first clamping mechanism (9); the upper surface of the support seat (1) is fixedly connected with a bending air cylinder (10) through a support; the output end of the bending air cylinder (10) is provided with an upper bending assembly (11); and the inner wall of the upper bending assembly (11) is clamped with a bending block (12) which is matched with the bending groove (803).

2. The circuit board bending apparatus of claim 1, wherein: The first clamping mechanism (9) comprises four T-shaped metal blocks (901) which are fixedly connected to the outer surface of the metal bending base (801); the four T-shaped metal blocks (901) are respectively slidably sleeved on the inner walls of the four T-shaped grooves (3) and are respectively in contact with the corresponding heating sheets (4).

3. The circuit board bending apparatus of claim 2, wherein: First limiting holes (902) are formed on the two sides of the outer surface of the metal bending base (801); and the inner wall of the prefabricated seat (2) is slidably sleeved with two first limiting rods (903) which are matched with the first limiting holes (902).

4. The circuit board bending apparatus of claim 3, wherein: The outer surfaces of the two first limiting rods (903) are fixedly connected with two push pieces (904); the sides of the two push pieces (904) which are close to each other are fixedly connected with first extension springs (905); and the two first extension springs (905) are respectively fixedly connected to the two sides of the outer surface of the prefabricated seat (2) at their ends which are close to each other.

5. The circuit board bending apparatus of claim 1, wherein: The output end of the upper bending assembly (11) is fixedly connected with a bending top seat (1101); the inner wall of the bending top seat (1101) is provided with two guide grooves (1102); and the inner wall of each guide groove (1102) is slidably sleeved with a second limiting rod (1103).

6. A circuit board bending apparatus according to claim 5, wherein: The sides of the two second limiting rods (1103) which are close to each other are fixedly connected with second extension springs (1104); and the two second extension springs (1104) are respectively fixedly connected to the two sides of the outer surface of the bending top seat (1101) at their ends which are close to each other; and the two second extension springs (1104) are respectively sleeved on the outer sides of the two second limiting rods (1103).

7. The circuit board bending apparatus of claim 5, wherein: The upper surface of the bending block (12) is fixedly connected with two guide blocks (1105), and the side of the two guide blocks (1105) away from each other is provided with a second limiting hole (1106).

8. The circuit board bending apparatus of claim 7, wherein: The size of the second limiting hole (1106) is consistent with the size of the output end of the second limiting rod (1103), and the size value of the guide block (1105) is consistent with the size value of the guide groove (1102).

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