FPC precision bending mechanism

Abstract

The application relates to a FPC precise bending mechanism, which comprises a support, a product carrier unit, a bending unit, a pushing unit, an upper pressure maintaining unit and a lower pressure maintaining unit are installed on the support, the product carrier unit is used for fixing products, the bending unit comprises a driving assembly and a bending assembly, the driving assembly is used for conveying the bending assembly to the products, the bending assembly bends the product carrier unit after clamping the products, the pushing unit is used for pushing the products in the bending process, the upper pressure maintaining unit is used for tightly pressing the bent products from the upper side of the products, and the lower pressure maintaining unit is used for tightly pressing the bent products from the lower side of the products. The application realizes automatic bending of the FPC, and improves the yield and production efficiency of the products.

Description

TECHNICAL FIELD

[0001] The present application relates to a bending mechanism, in particular to a precision bending mechanism for FPC. BACKGROUND

[0002] FPC is a kind of circuit board mainly composed of CU, A and PI. Due to the thinness of FPC, high bending precision requirement, product material and other factors, it is difficult to bend the product, the product yield is small, and there is currently no high-efficiency automatic high-precision bending mechanism to improve the bending efficiency of FPC. SUMMARY

[0003] In order to overcome the above defects, the present application provides a precision bending mechanism for FPC, which realizes automatic bending of FPC and improves the yield and production efficiency of the product.

[0004] The technical scheme adopted by the present application to solve the technical problems is:

[0005] A precision bending mechanism for FPC, comprising a support, a product carrier unit, a bending unit, a pushing unit, an upper pressure maintaining unit and a lower pressure maintaining unit are installed on the support, the product carrier unit is used to fix the product, the bending unit comprises a driving assembly and a bending assembly, the driving assembly is used to convey the bending assembly to the product, the bending assembly clamps the product and bends the product carrier unit, the pushing unit is used to push the product during bending, the upper pressure maintaining unit is used to press the bent product from above, and the lower pressure maintaining unit is used to press the bent product from below.

[0006] Preferably, a base and a top plate are fixedly arranged on the support, the top plate is located above the base, the product carrier unit, the bending unit and the lower pressure maintaining unit are installed on the base, and the pushing unit and the upper pressure maintaining unit are installed on the top plate.

[0007] Preferably, the driving assembly comprises a first support frame, a bending sliding platform and a bending sliding table cylinder, the first support frame is fixedly arranged on the base, the bending sliding platform is installed on the first support frame, the bending sliding table cylinder is fixedly installed on the bending sliding platform, and the bending assembly is slidably connected to the bending sliding table cylinder.

[0008] Preferably, the bending assembly comprises a second support frame, a panel cylinder, a gear, a rack and a pin shaft, the second support frame is slidably installed on the bending sliding table cylinder, the panel cylinder is vertically installed on the second support frame, the rack is connected to the piston rod of the panel cylinder, the gear is engaged with the rack, and the pin shaft is connected to the gear.

[0009] Preferably, the rack is connected to the piston rod of the faceplate cylinder through a floating joint, a three-axis cylinder and a support seat are further fixedly arranged on the second support frame, the three-axis cylinder is installed below the pin shaft for clamping the product, a rotating shaft is rotatably arranged on the support seat, and the gear is fixedly installed on one end of the rotating shaft, and the other end of the rotating shaft is fixedly connected with the pin shaft.

[0010] Preferably, the pushing unit comprises a first pushing sliding table cylinder, a second pushing sliding table cylinder and a pushing pawl, the first pushing sliding table cylinder is horizontally installed on the top plate, the second pushing sliding table cylinder is movably installed on the first pushing sliding table cylinder, and the pushing pawl is movably installed on the second pushing sliding table cylinder.

[0011] Preferably, the upper pressure maintaining unit comprises an upper pressure maintaining sliding platform, an upper pressure maintaining sliding table cylinder and an upper pressure maintaining head, the upper pressure maintaining sliding platform is horizontally installed on the top plate, the upper pressure maintaining sliding table cylinder is obliquely installed on the upper pressure maintaining sliding platform, and the upper pressure maintaining head is movably installed on the upper pressure maintaining sliding table cylinder.

[0012] Preferably, the lower pressure maintaining unit comprises a lower pressure maintaining sliding platform, a lower pressure maintaining sliding table cylinder and a lower pressure maintaining head, the lower pressure maintaining sliding platform is horizontally installed on the base, the lower pressure maintaining sliding table cylinder is obliquely installed on the lower pressure maintaining sliding platform, and the lower pressure maintaining head is movably installed on the lower pressure maintaining sliding table cylinder.

[0013] The beneficial effects of the present application are that the present application comprises a product carrier unit, a bending unit, a pushing unit, an upper pressure maintaining unit and a lower pressure maintaining unit, the product carrier unit is used for fixing the product, the pin shaft in the bending unit clamps the product, and the bending operation of the product is realized through the transmission between the rack and the gear, the pawl in the pushing unit pushes the product all the time during the bending process, and the upper pressure maintaining unit and the lower pressure maintaining unit press the product from the upper and lower ends of the product respectively after the bending of the product is completed, so as to ensure the bending effect of the product, the gear and rack mechanism is adopted in the present application, the accurate control of the bending angle of the product is realized, the bending speed is accurately controlled by controlling the extension speed of the sliding table cylinder, and the bending effect is ensured. The bending mechanism can be applied to the bending of the ultra-thin FPC, the degree of automation is high, and the efficiency and yield of the bending are improved. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is a structural schematic view of the present application;

[0015] Figure 2 It is a structural schematic view of the bending unit in the present application;

[0016] Figure 3 It is a structural schematic view of the pushing unit in the present application;

[0017] Figure 4 Fig. 1 is a structural schematic diagram of the upper pressure maintaining unit in the present application;

[0018] Figure 5 Fig. 2 is a structural schematic diagram of the lower pressure maintaining unit in the present application;

[0019] Fig. 1 is a structural schematic diagram of the upper pressure maintaining unit in the present application;

[0020] Fig. 2 is a structural schematic diagram of the lower pressure maintaining unit in the present application;

[0021] Fig. 3 is a structural schematic diagram of the bending unit in the present application;

[0022] Fig. 4 is a structural schematic diagram of the pushing unit in the present application;

[0023] Fig. 5 is a structural schematic diagram of the upper pressure maintaining unit in the present application; DETAILED DESCRIPTION

[0024] The technical solutions in the embodiments of the present application will be clearly and completely described in combination with the embodiments of the present application. Obviously, the described embodiments are only 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 skilled in the art without creative work belong to the scope of protection of the present application.

[0025] It should be noted that the terms "first", "second", and the like in the specification and claims of the present application and the above-described drawings are used to distinguish similar objects, and do not necessarily indicate a specific order or a chronological sequence. It should be understood that the data thus used can be interchanged under appropriate circumstances, so that the embodiments of the present application described herein can be implemented in an order other than that illustrated or described herein. In addition, the terms "include" and "have" and any variations thereof are intended to cover non-exclusive inclusion, for example, a process, method, system, product or device that includes a series of steps or units does not necessarily have to include only those steps or units clearly listed, but can include other steps or units that are not clearly listed or inherent to the process, method, product or device.

[0026] For purposes of the description hereinafter, spatial relative terms, such as "above", "below", "upper", "lower", and the like, can be used to describe a device or feature's position as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientations depicted in the figures. For example, if a device is inverted in the figures, a device described as "above" or "up" another device or structure would then be oriented "below" or "down" the other device or structure. Thus, the exemplary term "above" can encompass both an orientation of above and below. The devices can be otherwise oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly. The terms "first", "second", "third", etc. do not necessarily denote any ordinal, chronological or other sequence unless expressly indicated to do so. For example, a first device can be a device that is used before a second device in one instance, and a second device can be a device that is used before the first device in another instance.

[0027] Embodiment: As shown in the figure, a FPC precision bending mechanism is characterized in that: comprising a bracket 100, the bracket 100 is installed with a product carrier unit 200, a bending unit 300, a pushing unit 400, an upper pressure maintaining unit 500 and a lower pressure maintaining unit 600, the product carrier unit 200 is used to fix the product, the bending unit 300 comprises a driving assembly 310 and a bending assembly 320, the driving assembly 310 is used to deliver the bending assembly 320 to the product, the bending assembly 320 clamps the product and then bends the product carrier unit 200, the pushing unit 400 is used to push the product in the bending process, the upper pressure maintaining unit 500 is used to press the bent product from above, and the lower pressure maintaining unit 600 is used to press the bent product from below. Figures 1-5

[0028] As shown in the figure, the bracket 100 is fixed with a base 101 and a top plate 102, the top plate 102 is above the base 101, the product carrier unit 200, the bending unit 300 and the lower pressure maintaining unit 600 are installed on the base 101, and the pushing unit 400 and the upper pressure maintaining unit 500 are installed on the top plate 102. In the present application, the lower pressure maintaining unit 600 is installed on the front side of the product carrier unit, the bending unit 300 is installed on the right side of the product carrier unit, and when working, the product is installed on the product carrier unit 200, the driving assembly 310 drives the bending assembly 320 to run to the product carrier unit 200, and the bending assembly 320 clamps the product, then the bending assembly 320 rotates to bend the product, and the pushing unit 400 pushes the product in the bending process, after the product is bent, the upper pressure maintaining unit 500 and the lower pressure maintaining unit 600 press the product from above and below respectively, so as to ensure the bending effect of the product. Figure 1 ​​

[0029] As shown in Figure 2, the drive assembly 310 includes a first support frame 311, a bending sliding platform 312, and a bending slide cylinder 313. The first support frame 311 is fixed on the base 101, the bending sliding platform 312 is mounted on the first support frame 311, the bending slide cylinder 313 is fixedly mounted on the bending sliding platform 312, and the bending assembly 320 is slidably connected to the bending slide cylinder 313. The bending sliding platform 312 is horizontally mounted on the first support frame 311. The position of the bending sliding platform in the left and right directions can be finely adjusted as needed. For example, the bending sliding platform 312 is fixed to the base with bolts. After loosening the bolts to finely adjust the position of the bending sliding platform, the bolts are tightened again. The bending slide cylinder 313 is horizontally mounted on the bending sliding platform 312 through a connecting block. The bending assembly 320 is mounted on the slide of the bending slide cylinder 313. Therefore, the bending slide cylinder 313 can drive the bending assembly 320 to move in the front and back directions along the base, and deliver the bending assembly to the product in the product carrier unit 200.

[0030] like Figure 2 As shown, the bending assembly 320 includes a second support frame 327, a panel cylinder 321, a gear 323, a rack 324, and a pin 326. The second support frame 327 is slidably mounted on the bending slide cylinder 313. The panel cylinder 321 is vertically mounted on the second support frame 327. The rack 324 is connected to the piston rod of the panel cylinder 321. The gear 323 meshes with the rack 324. The pin 326 is connected to the gear 323.

[0031] The rack 324 is connected to the piston rod of the panel cylinder 321 via a floating joint 322. The second support frame 327 is also fixedly provided with a three-axis cylinder 325 and a support base 328. The three-axis cylinder 325 is installed below the pin 326 for clamping the product. The support base 328 is rotatably provided with a rotating shaft 329. The gear 323 is fixedly installed at one end of the rotating shaft 329, and the other end of the rotating shaft is fixedly connected to the pin 326. The panel cylinder 321 is vertically mounted on the second support frame 327. The rack 324 is connected to the upper end of the piston rod of the panel cylinder through a floating joint 322, making the rack operation more stable. The pin 326 is used to clamp the product. The panel cylinder 321 can drive the rack 324 to move up and down. The rack drives the gear 323 to rotate, the gear 323 drives the rotating shaft 329 to rotate, and the pin 326 rotates synchronously to achieve product bending. The three-axis cylinder 325 is used to press the product from below.

[0032] like Figure 3As shown, the pushing unit 400 includes a first pushing slide cylinder 401, a second pushing slide cylinder 402 and a pushing pawl 403. The first pushing slide cylinder 401 is horizontally mounted on the top plate 102. The second pushing slide cylinder 402 is movably mounted on the first pushing slide cylinder 401. The pushing pawl 403 is movably mounted on the second pushing slide cylinder 402. The second pushing slide cylinder 402 is vertically mounted on the slide of the first pushing slide cylinder. The pushing pawl 403 is vertically mounted on the slide of the second pushing slide cylinder. The first pushing slide cylinder 401 can drive the second pushing slide cylinder and the pushing pawl to move leftward and rightward along the top plate 102. The second pushing slide cylinder 402 drives the pushing pawl to move upward and downward. Thus, the first and second pushing slide cylinders can adjust the position of the pushing pawl 403 to accurately press the product.

[0033] As shown, Figure 4 As shown, the upper holding unit 500 includes an upper holding slide platform 501, an upper holding slide cylinder 502 and an upper holding head 503. The upper holding slide platform 501 is horizontally mounted on the top plate 102. The upper holding slide cylinder 502 is obliquely mounted on the upper holding slide platform 501. The upper holding head 503 is movably mounted on the upper holding slide cylinder 502. The upper holding slide platform 501 can be finely adjusted in the leftward and rightward direction on the top plate 102. The upper holding slide cylinder 502 is obliquely mounted on the upper holding slide platform 501. The upper holding head 503 is obliquely mounted on the upper holding slide cylinder 502. The upper holding head 503 extends toward the product carrier unit. The upper holding slide cylinder 502 can drive the upper holding head 503 to move upward and downward along an oblique angle, so that the upper holding head accurately holds the product from above.

[0034] As shown, Figure 5 As shown, the lower holding unit 600 includes a lower holding slide platform 601, a lower holding slide cylinder 602 and a lower holding head 603. The lower holding slide platform 601 is horizontally mounted on the base 101. The lower holding slide cylinder 602 is obliquely mounted on the lower holding slide platform 601. The lower holding head 603 is movably mounted on the lower holding slide cylinder 602. The lower holding slide cylinder 602 is obliquely and movably mounted on the lower holding slide platform 601. The lower holding head 603 is obliquely mounted on the lower holding slide cylinder 602. The lower holding head 603 extends toward the product carrier unit. The lower holding slide cylinder 602 can drive the lower holding head 603 to move upward and downward along an oblique angle, so that the lower holding head accurately holds the product from below.

[0035] The operation process of the present application: during operation, the product is installed on the product carrier unit 200, which can clamp the product by using a common clamp, the bending sliding cylinder 313 drives the bending assembly 320 to move forward and run to the product carrier unit 200, and the product is clamped by using the pin shaft 326 and the three-axis cylinder 325, then the panel cylinder 321 drives the rack and pinion unit to rotate to bend the product, during the bending process of the product, the first and second pushing slide cylinder adjusts the position of the pawl 403 so that the pawl pushes the product during the bending process, after the product is bent, the upper and lower pressure maintaining heads 503 and 603 in the upper and lower pressure maintaining units 500 and 600 respectively press the product from the upper and lower sides of the product, so as to ensure the bending effect of the product.

[0036] It should be noted that for those skilled in the art, without departing from the concept of the present application, several modifications and improvements can be made, which are all within the protection scope of the present application. Therefore, the protection scope of the present application patent should be subject to the appended claims.

Claims

1. A precision bending mechanism for FPC, characterized in that: The system includes a bracket (100), on which a product carrier unit (200), a bending unit (300), a pushing unit (400), an upper pressure holding unit (500), and a lower pressure holding unit (600) are mounted. The product carrier unit (200) is used to fix the product. The bending unit (300) includes a drive assembly (310) and a bending assembly (320). The drive assembly (310) is used to transport the bending assembly (320) to the product. After the bending assembly (320) clamps the product, it bends the product carrier unit (200). The pushing unit (400) is used to push the product during the bending process. The upper pressure holding unit (500) is used to press the bent product from above. The lower pressure holding unit (600) is used to press the bent product from below. A base (101) and a top plate (102) are fixedly provided on the bracket (100). The top plate (102) is located above the base (101). The product carrier unit (200), bending unit (300) and lower pressure holding unit (600) are installed on the base (101). The pushing unit (400) and upper pressure holding unit (500) are installed on the top plate (102). The drive assembly (310) includes a first support frame (311), a bending sliding platform (312), and a bending slide cylinder (313). The first support frame (311) is fixed on the base (101), the bending sliding platform (312) is mounted on the first support frame (311), the bending slide cylinder (313) is fixedly mounted on the bending sliding platform (312), and the bending assembly (320) is slidably connected to the bending slide cylinder (313). The bending assembly (320) includes a second support frame (327), a panel cylinder (321), a gear (323), a rack (324), and a pin (326). The second support frame (327) is slidably mounted on the bending slide cylinder (313). The panel cylinder (321) is vertically mounted on the second support frame (327). The rack (324) is connected to the piston rod of the panel cylinder (321). The gear (323) meshes with the rack (324). The pin (326) is connected to the gear (323). The feeding unit (400) includes a first feeding slide cylinder (401), a second feeding slide cylinder (402), and a claw (403). The first feeding slide cylinder (401) is horizontally mounted on the top plate (102), the second feeding slide cylinder (402) is movably mounted on the first feeding slide cylinder (401), and the claw (403) is movably mounted on the second feeding slide cylinder (402).

2. The FPC precision bending mechanism according to claim 1, characterized in that: The rack (324) is connected to the piston rod of the panel cylinder (321) via a floating joint (322). The second support frame (327) is also fixedly provided with a three-axis cylinder (325) and a support seat (328). The three-axis cylinder (325) is installed below the pin (326) for clamping the product. The support seat (328) is rotatably provided with a rotating shaft (329). The gear (323) is fixedly installed at one end of the rotating shaft (329), and the other end of the rotating shaft is fixedly connected to the pin (326).

3. The FPC precision bending mechanism according to claim 1, characterized in that: The upper pressure holding unit (500) includes an upper pressure holding sliding platform (501), an upper pressure holding sliding cylinder (502), and an upper pressure holding head (503). The upper pressure holding sliding platform (501) is horizontally mounted on the top plate (102), the upper pressure holding sliding cylinder (502) is inclinedly mounted on the upper pressure holding sliding platform (501), and the upper pressure holding head (503) is movably mounted on the upper pressure holding sliding cylinder (502).

4. The FPC precision bending mechanism according to claim 1, characterized in that: The lower pressure holding unit (600) includes a lower pressure holding sliding platform (601), a lower pressure holding slide cylinder (602), and a lower pressure holding head (603). The lower pressure holding sliding platform (601) is horizontally mounted on the base (101), the lower pressure holding slide cylinder (602) is inclinedly mounted on the lower pressure holding sliding platform (601), and the lower pressure holding head (603) is movably mounted on the lower pressure holding slide cylinder (602).

Images