Bending Machine

Abstract

The present invention provides a bending machine, which relates to the field of product processing technology, including a frame, a power drive unit, a rotating shaft and a bending assembly; the power drive unit is installed on the frame, the rotating shaft is rotatably connected to the power drive unit, and the power drive unit is configured to drive the rotating shaft to rotate; the bending assembly includes a first clamping plate, a second clamping plate, an adhesive tape and a counterweight; the first clamping plate is fixedly connected to the rotating shaft, the second clamping plate is fixed to the first clamping plate in a detachable manner, and one end of the adhesive tape is fixed between the second clamping plate and the first clamping plate, and the counterweight is fixed to the other end of the adhesive tape. The present invention alleviates the technical problem that the FPC board is bent by the upper and lower knife mold bending method in the prior art, the outer surface of the FPC board is easily scratched, and there is a high risk of the internal core wire of the FPC board being broken.

Description

Technical Field

[0001] The invention relates to the technical field of product processing, in particular to a bending machine. Background Art

[0002] Flexible flat cable printed circuit is called FPC (Flexible Printed Circuit, FPC for short). In recent years, FPC has been widely used to connect printed circuit boards and electronic components installed in portable information devices, such as DVD (Digital Versatile Disc), DSC (Digital Still Camera), mobile phones, computers, etc.

[0003] At present, FPC boards are usually bent by upper and lower die bending. However, since upper and lower die bending is an extrusion deformation process, the outer surface of the FPC board is easily scratched, and there is a high risk of the internal core wire of the FPC board being broken, resulting in a high defective rate of FPC in the FPC board bending project, which in turn causes material waste and a large amount of labor waste. Summary of the invention

[0004] The purpose of the present invention is to provide a bending machine to alleviate the technical problems that the outer surface of the FPC board is easily scratched and there is a high risk of the core wire inside the FPC board being broken when bending the FPC board by upper and lower knife mold bending in the prior art.

[0005] To achieve the above objectives, the embodiments of the present invention adopt the following technical solutions:

[0006] An embodiment of the present invention provides a bending machine, comprising a frame, a power drive unit, a rotating shaft and a bending assembly;

[0007] The power driving unit is installed on the frame, the rotating shaft is rotatably connected to the power driving unit, and the power driving unit is configured to drive the rotating shaft to rotate;

[0008] The bending assembly includes a first clamping plate, a second clamping plate, a tape and a counterweight; the first clamping plate is fixedly connected to the rotating shaft, the second clamping plate is fixed to the first clamping plate in a detachable manner, and one end of the tape is fixed between the second clamping plate and the first clamping plate, and the counterweight is fixed to the other end of the tape.

[0009] In an optional embodiment, a slot is provided on the surface of the second splint facing the first splint, and a protrusion is provided on the surface of the first splint facing the second splint, and the protrusion is configured to be able to interlock with the slot so as to squeeze one end of the tape and one end of the product into the slot at the same time; or, a slot is provided on the surface of the first splint facing the second splint, and a protrusion is provided on the surface of the second splint facing the first splint, and the protrusion is configured to be able to interlock with the slot so as to squeeze one end of the tape and one end of the product into the slot at the same time.

[0010] In an optional embodiment, a product end avoidance groove capable of avoiding the end of the product is opened on the raised portion.

[0011] In an optional embodiment, there are a plurality of adhesive tapes, and the plurality of adhesive tapes are fixed between the second clamping plate and the first clamping plate in pairs.

[0012] In an optional embodiment, the counterweight comprises a body, a first connecting ear and a second connecting ear; the first connecting ear and the second connecting ear are relatively connected to the top of the body, the first connecting ear and the second connecting ear are relatively arranged, and connecting holes are provided on the first connecting ear and the second connecting ear;

[0013] A connecting rod is connected to one end of the adhesive tape away from the first clamping plate, one end of the connecting rod is inserted into the connecting hole of the first connecting ear, and the other end of the connecting rod is inserted into the connecting hole of the second connecting ear.

[0014] In an optional embodiment, the second clamping plate is connected to the first clamping plate by screws.

[0015] In an optional embodiment, the bending assembly includes a plurality of bending assemblies, and the plurality of bending assemblies are arranged in pairs at intervals along the extension direction of the rotating shaft.

[0016] In an optional embodiment, the bending machine also includes an optical axis, both ends of which are respectively installed on the frame through connecting seats, the optical axis is located in front of or behind the rotating shaft, and the optical axis is parallel to the rotating shaft, and the height of the optical axis is not higher than the rotating shaft.

[0017] In an optional embodiment, the end of the optical axis is mounted on the connecting seat via a front-rear adjustment structure, and the front-rear adjustment structure is configured to be able to adjust the optical axis forward or backward relative to the rotating shaft so that the optical axis is close to or away from the rotating shaft.

[0018] In an optional embodiment, the bending machine further includes a control box and a control panel, wherein a controller is disposed inside the control box, and control buttons are disposed on the control panel, and the control buttons and the power drive unit are both connected to the controller.

[0019] The embodiments of the present invention can achieve the following beneficial effects:

[0020] An embodiment of the present invention provides a bending machine, including a frame, a power drive unit, a rotating shaft and a bending assembly; wherein the power drive unit is installed on the frame, the rotating shaft is rotatably connected to the power drive unit, and the power drive unit is configured to drive the rotating shaft to rotate; the bending assembly includes a first clamping plate, a second clamping plate, a tape and a counterweight; the first clamping plate is fixedly connected to the rotating shaft, the second clamping plate is fixed to the first clamping plate in a detachable manner, and one end of the tape is fixed between the second clamping plate and the first clamping plate, and the counterweight is fixed to the other end of the tape.

[0021] The embodiment of the present invention can be applied to the process of bending a flexible flat cable printed circuit (Flexible Printed Circuit, FPC for short). When in use, the FPC board product is pasted on the tape, and then the second clamping plate is fixed to the first clamping plate in a detachable manner. When fixing, one end of the FPC board product and one end of the tape are fixed between the second clamping plate and the first clamping plate. The counterweight member acts so that the other end of the tape pasted with the FPC board product is always facing downward. When the power driving part is driven, the rotating shaft is driven to rotate, and the FPC board product can be bent during the rotation process.

[0022] Compared with the method of bending the FPC board product by upper and lower knife mold closing and bending, the process of bending the FPC board product by the bending machine provided in this embodiment is relatively gentle, and the damage to the FPC board product is less. Specifically, the bending process of the FPC by the bending machine provided in this embodiment is not an extrusion deformation process, thereby reducing the probability of the outer surface of the FPC board product being scratched. At the same time, the gentle bending process greatly reduces the risk of the internal core wire of the FPC board product being broken, thereby reducing the defective rate of the FPC board product in the bending project of the FPC board product, saving production materials and saving production labor. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] In order to more clearly illustrate the specific implementation methods of the present invention or the technical solutions in the prior art, the drawings required for use in the specific implementation methods or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are some implementation methods of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0024] Figure 1A schematic diagram of the overall structure of a bending machine provided by an embodiment of the present invention;

[0025] Figure 2 for Figure 1 The schematic diagram of the internal structure of the bending machine shown;

[0026] Figure 3 A schematic diagram of the overall structure of a bending assembly in a bending machine provided by an embodiment of the present invention;

[0027] Figure 4 A schematic diagram of the assembly structure between the adhesive tape, the FPC product and the second clamping plate in the bending machine provided by an embodiment of the present invention;

[0028] Figure 5 A schematic diagram of the plate surface structure of the second clamping plate facing the first clamping plate in the bending machine provided by an embodiment of the present invention;

[0029] Figure 6 A schematic diagram of the plate surface structure of the first clamping plate facing the second clamping plate in the bending machine provided in an embodiment of the present invention.

[0030] Icons: 1-frame; 2-power drive unit; 3-rotating shaft; 4-bending assembly; 41-first clamping plate; 42-second clamping plate; 43-tape; 431-connecting rod; 44-counterweight; 440-main body; 441-first connecting ear; 442-second connecting ear; 51-slot; 52-raised portion; 53-product end avoidance groove; 6-optical axis; 60-front and rear adjustment structure; 7-connecting seat; 8-control box; 9-control panel; 90-control button; 100-FPC board. DETAILED DESCRIPTION

[0031] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are part of the embodiments of the present invention, not all of the embodiments. Generally, the components of the embodiments of the present invention described and shown in the drawings here can be arranged and designed in various different configurations.

[0032] Therefore, the following detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit the scope of the invention claimed for protection, but merely represents selected embodiments of the present invention. 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.

[0033] It should be noted that similar reference numerals and letters denote similar items in the following drawings, and therefore, once an item is defined in one drawing, further definition and explanation thereof is not required in subsequent drawings.

[0034] In the description of the present invention, it should be noted that the terms "upper", "lower", "vertical", "horizontal", "inner", "outer", "front", "back", etc. indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, or the positions or positional relationships in which the inventive product is usually placed when in use. They are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific position, be constructed and operated in a specific position, and therefore cannot be understood as limiting the present invention. In addition, the terms "first", "second", etc. are only used to distinguish the description, and cannot be understood as indicating or implying relative importance.

[0035] In addition, the terms "horizontal", "vertical" and the like do not mean that the components are required to be absolutely horizontal or suspended, but can be slightly tilted. For example, "horizontal" only means that its direction is more horizontal than "vertical", and does not mean that the structure must be completely horizontal, but can be slightly tilted.

[0036] In the description of the present invention, it is also necessary to explain that, unless otherwise clearly specified and limited, the terms "setting", "installation" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be an indirect connection through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0037] Some embodiments of the present invention are described in detail below in conjunction with the accompanying drawings. In the absence of conflict, the following embodiments and features in the embodiments can be combined with each other.

[0038] This embodiment provides a bending machine, referring to Figures 1 to 4 The bending machine includes a frame 1, a power drive unit 2, a rotating shaft 3 and a bending assembly 4. The power drive unit 2 is installed on the frame 1, the rotating shaft 3 is rotatably connected to the power drive unit 2, and the power drive unit 2 is configured to drive the rotating shaft 3 to rotate; the power drive unit 2 can be, but is not limited to, a driving device such as a rotary motor or a rotary cylinder; the bending assembly 4 includes a first clamping plate 41, a second clamping plate 42, a tape 43 and a counterweight 44; the first clamping plate 41 is fixedly connected to the rotating shaft 3, the second clamping plate 42 is fixed to the first clamping plate 41 in a detachable manner, and one end of the tape 43 is fixed between the second clamping plate 42 and the first clamping plate 41, and the counterweight 44 is fixed to the other end of the tape 43.

[0039] The present embodiment can be applied to the process of bending a flexible flat cable printed circuit (Flexible Printed Circuit, FPC for short). When in use, the FPC board 100 product is pasted on the tape 43, and then the second clamping plate 42 is fixed to the first clamping plate 41 in a detachable manner. When fixing, one end of the FPC board 100 product and one end of the tape 43 are fixed between the second clamping plate 42 and the first clamping plate 41. The counterweight 44 acts to make the other end of the tape 43 pasted with the FPC board 100 product always face downward, and the power driving part 2 is driven, so that the shaft 3 is driven to rotate, and the FPC board 100 product can be bent during the rotation.

[0040] Compared with bending the FPC board 100 product by using the upper and lower knife mold bending method, the process of bending the FPC board 100 product by using the bending machine provided in this embodiment is relatively gentle, and the damage to the FPC board 100 product is relatively small. Specifically, the process of bending the FPC board 100 product by the bending machine provided in this embodiment is not an extrusion deformation process, thereby reducing the probability of the outer surface of the FPC board 100 product being scratched. At the same time, the gentle bending process greatly reduces the risk of the internal core wire of the FPC board 100 product being broken, thereby reducing the defective rate of the FPC board 100 product in the bending project of the FPC board 100 product, saving production materials and saving production labor.

[0041] In this embodiment, there are various specific fixing methods for the second clamping plate 42 to be detachably fixed to the first clamping plate 41, such as but not limited to, snapping the second clamping plate 42 onto the first clamping plate 41 or connecting the second clamping plate 42 to the first clamping plate 41 via screws or bolts.

[0042] In addition, there are many specific fixing methods for fixing one end of the tape 43 between the second clamping plate 42 and the first clamping plate 41, such as but not limited to welding one end of the tape 43 to the second clamping plate 42 or the first clamping plate 41, etc. Figures 3 to 6In an optional implementation manner of this embodiment, it is more preferred that a card slot 51 is provided on the board surface of the second clamping plate 42 facing the first clamping plate 41, and a protrusion 52 is provided on the board surface of the first clamping plate 41 facing the second clamping plate 42, and the protrusion 52 is configured to: be able to interlock with the card slot 51 to squeeze one end of the tape 43 and one end of the FPC board product into the inside of the card slot 51 at the same time; or, it is also possible to provide a card slot 51 on the board surface of the first clamping plate 41 facing the second clamping plate 42, and on the second clamping plate 42, a protrusion 52 is provided. A protrusion 52 is provided on the plate surface of the clamping plate 42 facing the first clamping plate 41, and the protrusion 52 is configured to be able to interlock with the card slot 51 to squeeze one end of the tape 43 and one end of the FPC board 100 product into the inside of the card slot 51 at the same time; this structure is conducive to quickly and stably fixing one end of the tape 43 and one end of the FPC board 100 product between the second clamping plate 42 and the first clamping plate 41, thereby improving the bending efficiency; at the same time, it is also conducive to quickly replacing the tape 43 after use.

[0043] Further preferably, a product end avoidance groove 53 capable of avoiding the end of the product is opened on the raised portion 52, thereby preventing the FPC board product from being squeezed into the slot 51 during the interlocking of the raised portion 52 and the slot 51 to simultaneously squeeze one end of the tape 43 and one end of the FPC board product into the slot 51, thereby preventing the FPC board product from being squeezed into place. At the same time, it can also serve to limit the end of the FPC board 100 product.

[0044] In addition, in an optional implementation of the present embodiment, it is more preferred that the above-mentioned adhesive tape 43 has a plurality of strips, and the plurality of adhesive tapes 43 are fixed between the second clamping plate 42 and the first clamping plate 41 at intervals of two, so that a plurality of FPC board 100 products can be bent at the same time, further improving the bending efficiency.

[0045] In addition, in the optional implementation of this embodiment, there are many specific connection methods for the counterweight 44 to the tape 43, such as but not limited to, welding the end of the tape 43 away from the first clamping plate 41 to the counterweight 44, etc., among which, more preferably, as Figure 3As shown, the counterweight 44 includes a main body 440, a first connecting ear 441 and a second connecting ear 442; the first connecting ear 441 and the second connecting ear 442 are relatively connected to the top of the main body 440, the first connecting ear 441 and the second connecting ear 442 are relatively arranged, and connecting holes are opened on the first connecting ear 441 and the second connecting ear 442; a connecting rod 431 is connected to the end of the tape 43 away from the first clamping plate 41, one end of the connecting rod 431 is inserted into the connecting hole of the first connecting ear 441, and the other end of the connecting rod 431 is inserted into the connecting hole of the second connecting ear 442; thereby, it is convenient to use the connecting rod 431 to quickly remove the counterweight 44 after replacing the tape 43, so as to reuse the removed counterweight 44 for the new tape 43, which has the advantages of simple process, saving labor time, and further saving materials, wherein the counterweight 44 can adopt but is not limited to structural parts such as metal blocks.

[0046] In addition, in order to further improve the bending efficiency of this embodiment, continue to refer to Figure 1 and Figure 2 In an optional implementation manner of the present embodiment, it is more preferred that the bending assembly 4 includes a plurality of bending assemblies 4 , and the plurality of bending assemblies 4 are arranged in pairs along the extension direction of the rotating shaft 3 .

[0047] In addition, in an optional implementation of the present embodiment, more preferably, the bending machine also includes an optical axis 6, both ends of the optical axis 6 are respectively installed on the frame 1 through a connecting seat 7, the optical axis 6 is located in front of or behind the rotating shaft 3, and the optical axis 6 is parallel to the rotating shaft 3, and the height of the optical axis 6 is not higher than the rotating shaft 3; the optical axis 6 can limit the swing amplitude of the end of the tape 43 away from the first clamping plate 41, specifically, the end of the tape 43 away from the first clamping plate 41 is restricted to swing between the optical axis 6 and the rotating shaft 3, thereby improving the stability of the tape 43 and the FPC board 100 product during the bending process, preventing the FPC board 100 product from vibrating significantly and thus detaching from the tape 43; the optical axis 6 can also be used to abut the FPC board 100 product to assist the bending machine in achieving an operation of bending the FPC 180 degrees, etc.

[0048] like Figure 1 and Figure 2 As shown, further preferably, the end of the optical axis 6 is mounted on the connecting seat 7 through a front-to-back adjustment structure 60, and the front-to-back adjustment structure 60 is configured to be able to adjust the optical axis 6 forward or backward relative to the rotating shaft 3 so that the optical axis 6 is close to or away from the rotating shaft 3, wherein the front-to-back adjustment structure 60 has a variety of optional structures, such as but not limited to Figure 1 and Figure 2As shown, the front-to-back adjustment structure 60 includes a limiting plate with a limiting long hole and a fixing member, the limiting plate is fixed to the connecting seat 7 by the fixing member in a manner that the limiting long hole extends in the front-to-back direction, the optical axis 6 passes through the limiting long hole, and the optical axis 6 can slide along the limiting long hole when a large external force is applied, thereby approaching or moving away from the rotating shaft 3; or, the front-to-back adjustment structure 60 includes an end plate arranged at the end of the optical axis 6, a plurality of connecting holes are arranged on the connecting seat 7, and the end plate is selectively fixed in the connecting holes on the connecting seat 7 by screws, so as to adjust the front-to-back distance of the optical axis 6 relative to the rotating shaft 3, etc.

[0049] In addition, continue to refer to Figure 1 and Figure 2 In an optional implementation of the present embodiment, more preferably, the bending machine further includes a control box 8 and a control panel 9, a controller is arranged inside the control box 8, a control button 90 is arranged on the control panel 9, and the control button 90 and the power drive unit 2 are both connected to the controller.

[0050] In addition, it should be specially noted that, although this embodiment describes in great detail the application of the bending machine provided in this embodiment to the process of bending the FPC board 100 product, this does not limit the application scenario of the bending machine provided in this embodiment. The bending machine provided in this embodiment can also be applied to engineering scenarios for bending other products.

[0051] Finally, it should be noted that: the various embodiments in this specification are described in a progressive manner, and each embodiment focuses on the differences from other embodiments, and the same or similar parts between the various embodiments can be referenced to each other; the above embodiments in this specification are only used to illustrate the technical solution of the present invention, rather than to limit it; although the present invention has been described in detail with reference to the aforementioned embodiments, ordinary technicians in this field should understand that: it is still possible to modify the technical solutions recorded in the aforementioned embodiments, or to replace some or all of the technical features therein with equivalents; and these modifications or replacements do not make the essence of the corresponding technical solution deviate from the scope of the technical solution of the embodiments of the present invention.

Claims

1. A bending machine, characterized in that: It comprises a frame (1), a power drive unit (2), a rotating shaft (3), an optical axis (6) and a bending assembly (4); The power driving part (2) is mounted on the frame (1), the rotating shaft (3) is rotatably connected to the power driving part (2), and the power driving part (2) is configured to be able to drive the rotating shaft (3) to rotate; Both ends of the optical axis (6) are respectively mounted on the frame (1) via connecting seats (7); the optical axis (6) is located in front of or behind the rotating shaft (3); the optical axis (6) is parallel to the rotating shaft (3); and the height of the optical axis (6) is not higher than that of the rotating shaft (3); The bending assembly (4) comprises a first clamping plate (41), a second clamping plate (42), an adhesive tape (43) and a counterweight (44); the first clamping plate (41) is fixedly connected to the rotating shaft (3), the second clamping plate (42) is fixed to the first clamping plate (41) in a detachable manner, one end of the adhesive tape (43) is fixed between the second clamping plate (42) and the first clamping plate (41), and the counterweight (44) is fixed to the other end of the adhesive tape (43); A slot (51) is provided on the plate surface of the second clamping plate (42) facing the first clamping plate (41), and a protrusion (52) is provided on the plate surface of the first clamping plate (41) facing the second clamping plate (42), wherein the protrusion (52) is configured to be able to interlock with the slot (51) so as to simultaneously squeeze one end of the adhesive tape (43) and one end of the product into the inside of the slot (51); Alternatively, a slot (51) is provided on the surface of the first clamping plate (41) facing the second clamping plate (42), and a protrusion (52) is provided on the surface of the second clamping plate (42) facing the first clamping plate (41), wherein the protrusion (52) is configured to be interlocked with the slot (51) so as to squeeze one end of the adhesive tape (43) and one end of the product into the slot (51) at the same time.

2. The bending machine according to claim 1, characterized in that: The protruding portion (52) is provided with a product end avoidance groove (53) capable of avoiding the end of the product.

3. The bending machine according to claim 1, characterized in that: The adhesive tape (43) comprises a plurality of strips, and the plurality of adhesive tapes (43) are fixed between the second clamping plate (42) and the first clamping plate (41) at intervals of two.

4. The bending machine according to claim 1, characterized in that: The counterweight (44) comprises a body (440), a first connecting ear (441) and a second connecting ear (442); the first connecting ear (441) and the second connecting ear (442) are relatively connected to the top of the body (440), the first connecting ear (441) and the second connecting ear (442) are relatively arranged, and connecting holes are provided on the first connecting ear (441) and the second connecting ear (442); A connecting rod (431) is connected to one end of the adhesive tape (43) away from the first clamping plate (41); one end of the connecting rod (431) is inserted into the connecting hole of the first connecting ear (441); and the other end of the connecting rod (431) is inserted into the connecting hole of the second connecting ear (442).

5. The bending machine according to claim 1, characterized in that: The second clamping plate (42) is connected to the first clamping plate (41) via screws.

6. The bending machine according to claim 1, characterized in that: The bending components (4) include a plurality of bending components (4), and the plurality of bending components (4) are arranged at intervals in pairs along the extension direction of the rotating shaft (3).

7. The bending machine according to claim 1, characterized in that: The end of the optical axis (6) is mounted on the connecting seat (7) via a front-rear adjustment structure (60), and the front-rear adjustment structure (60) is configured to be able to adjust the optical axis (6) forward or backward relative to the rotating shaft (3) so that the optical axis (6) is close to or away from the rotating shaft (3).

8. The bending machine according to claim 1, characterized in that: The bending machine further comprises a control box (8) and a control panel (9), wherein a controller is arranged inside the control box (8), and a control button (90) is arranged on the control panel (9), and the control button (90) and the power drive unit (2) are both connected to the controller.

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