Key FPC antenna laminating machine

Abstract

This invention provides a button FPC antenna bonding machine for bonding FPCs to a mid-frame. The FPC includes a side bonding portion and a front bonding portion connected to each other. The button FPC antenna bonding machine includes a carrier mechanism, a side bonding mechanism, a front bonding mechanism, and a bending mechanism. The carrier mechanism carries the mid-frame; the side bonding mechanism bonds the side bonding portion to the side of the mid-frame, so that the front bonding portion is located outside the side; the front bonding mechanism includes a front bonding driver, a limiting block, and a front bonding block. The limiting block is movably connected to the front bonding block. The front bonding driver is connected to the front bonding block and configured to drive the front bonding block to move to a first position and a second position along a first direction perpendicular to the front of the mid-frame; the bending mechanism includes a bending driver and a bending block. The bending driver is connected to the bending block and configured to drive the bending block to move along a second direction perpendicular to the side. This button FPC antenna bonding machine can automatically and with high precision bond FPCs to a mid-frame.

Description

Technical Field

[0001] This invention relates to the field of mobile phone assembly technology, and in particular to a button FPC antenna bonding machine. Background Technology

[0002] The mobile phone needs to connect the side buttons on the mid-frame to the motherboard via an FPC (Flexible Printed Circuit) so that the motherboard can receive the side button signals. During the phone assembly process, the FPC needs to be bonded to the mid-frame and bent to facilitate the connection between the side button contacts and the motherboard connection points. In existing technologies, because the bending and bonding of the FPC is a complex process, it is usually done manually, resulting in poor efficiency and accuracy. There is an urgent need for a bonding machine that can automatically and accurately bond the FPC to the mid-frame. Summary of the Invention

[0003] This invention aims to at least solve one of the technical problems existing in the prior art. To this end, this invention proposes a button FPC antenna bonding machine, which can automatically and with high precision mount FPC onto the mid-frame.

[0004] This invention provides a button FPC antenna bonding machine, which is used for bonding FPC and mid-frame. The FPC includes a side bonding part and a front bonding part connected to each other. The button FPC antenna bonding machine includes a carrying mechanism, a side bonding mechanism, a front bonding mechanism and a bending mechanism. A support mechanism is used to support the mid-frame; a side-attaching mechanism is used to pick up the FPC and attach the side-attaching part to the side of the mid-frame so that the front-attaching part is located outside the side; the front-attaching mechanism includes a front-attaching driver, a limiting block, and a front-attaching block, the limiting block being movably connected to the front-attaching block, the front-attaching driver being connected to the front-attaching block and configured to drive the front-attaching block to move to a first position and a second position along a first direction perpendicular to the front of the mid-frame; a bending mechanism includes a bending driver and a bending block, the bending driver being connected to the bending block and configured to drive the bending block to move along a second direction perpendicular to the side; wherein, when the front-attaching block is in the first position, the limiting block is opposite to or abuts against the front, the bending driver can drive the bending block to push the front-attaching part so that the front-attaching part is located on one side of the front-attaching block in the first direction, and the side of the front-attaching part away from the side-attaching part abuts against the limiting block; when the front-attaching block moves from the first position to the second position, the front-attaching block can push the front-attaching part so that the front-attaching part is attached to the front.

[0005] The button FPC antenna bonding machine provided in this embodiment of the invention has at least the following beneficial effects: The side-mounting mechanism can attach the side-mounting part of the FPC to the side of the middle frame. Then, the bending mechanism can push the front-mounting part so that the FPC is bent until the front-mounting part is located on one side of the front-mounting block along the first direction. Next, the front-mounting block can push the front-mounting part along the first direction so that the FPC is bent again and the front-mounting part is attached to the front-mounting surface of the middle frame. This allows the bending and mounting of the FPC to be completed simultaneously, thereby improving efficiency and enabling high-precision automated mounting of the FPC onto the middle frame.

[0006] In one embodiment of this implementation, a limiting groove is formed on one side of the bending block along the second direction, the limiting groove passes through the bending block along the first direction, and is used to accommodate the extension connecting the front part and the side part.

[0007] In one embodiment of this implementation, the positive bonding mechanism further includes a limiting strip that extends along a first direction and is connected to one side of the limiting block along a second direction. The bending block is used to push the positive bonding portion against the limiting block and position the positive bonding portion on one side of the limiting strip along a third direction, which is perpendicular to the first and second directions.

[0008] In one embodiment of this implementation, the front-mounted patch includes a first pressing portion and a second pressing portion. The first pressing portion is movably connected to one side of the limiting block along the second direction, and the second pressing portion is located on the side of the first pressing portion facing away from the limiting block. In the third direction, the size of the second pressing portion is smaller than that of the first pressing portion. The third direction is perpendicular to the first and second directions. The first pressing portion is used to press the front-mounted patch onto the front side, and the second pressing portion is used to abut against the extension connected between the front-mounted patch and the side-mounted patch to press the extension into the groove of the middle frame.

[0009] In one embodiment of this implementation, the limiting block has a plurality of strip grooves arranged at intervals along a third direction on the side facing the bending block. The third direction is perpendicular to the first direction and the second direction, and the strip grooves extend along the first direction.

[0010] In one embodiment of this implementation, the front-mounted block and the limiting block are elastically connected. The limiting block is used to abut against the front side. The front-mounted block can move elastically relative to the limiting block in a first direction to move from a first position to a second position.

[0011] In one embodiment of this implementation, the positive bonding mechanism further includes an elastic element. The positive bonding block has expansion grooves and adjustment holes corresponding to each other on both sides along the first direction. The adjustment holes are connected to the expansion grooves. The limiting block is movably disposed in the expansion grooves. The elastic element is located in the expansion grooves and is connected to the limiting block and the positive bonding block. The elastic element is exposed in the adjustment holes and can elastically deform along the first direction. The adjustment holes are used for the user to adjust the preload of the elastic element.

[0012] In one embodiment of this implementation, the front-mounted block has a front-mounted surface on one side along the first direction. The front-mounted surface is used to abut against the front-mounted portion. The front-mounted surface has a mating groove for mating with a protrusion in the middle frame.

[0013] In one embodiment of this implementation, the bending block is provided with a transition surface on one side along the first direction. The transition surface is inclined to the first direction. A limiting groove passes through the transition surface and forms a limiting opening on the transition surface. The limiting groove is used for the extension to slide, so that the extension slides from the limiting opening to the transition surface.

[0014] In one embodiment of this implementation, the side of the limiting block facing the bending block has a limiting surface, the limiting surface is perpendicular to the second direction, a strip groove is formed on the limiting surface, the limiting surface is used to abut against the positive bonding part, and the positive bonding block can slide along the limiting surface to cover the strip groove.

[0015] Additional aspects and advantages of the invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. Attached Figure Description

[0016] The present invention will be further described below with reference to the accompanying drawings and embodiments, wherein: Figure 1 This is a three-dimensional structural schematic diagram of a button FPC antenna bonding machine according to one embodiment of the present invention; Figure 2 yes Figure 1 A top view of a button FPC antenna bonding machine; Figure 3 yes Figure 1 A three-dimensional structural diagram of some parts of the bonding mechanism, bending mechanism and bearing mechanism; Figure 4 yes Figure 3 A three-dimensional structural diagram of components such as the positive bonding block, the limiting block, and the bending block; Figure 5 yes Figure 4 A disassembly diagram of the structure, including the positive bonding block and the limiting block; Figure 6 yes Figure 5 A disassembly diagram of the flat and bent blocks from another perspective; Figure 7 yes Figure 3 Enlarged schematic diagram of part of the structure; Figure 8 yes Figure 4 Enlarged schematic diagram of part of the structure; Figure 9 yes Figure 6 An enlarged schematic diagram of part of the structure.

[0017] Figure label: Button FPC antenna bonding machine 100; carrier mechanism 10; turntable 11; positioning fixture 12; side bonding mechanism 20; front bonding mechanism 30; front bonding driver 31; limiting block 32; limiting strip 321; strip groove 322; limiting surface 323; front bonding block 33; first pressing part 331; second pressing part 332; telescopic groove 333; adjusting hole 334; front bonding surface 335; mating groove 336; first component 338 Second component 339; Bending mechanism 40; Bending driver 41; Bending block 42; Limiting groove 421; Transition surface 422; Limiting opening 423; Loading robot 50; Unloading robot 60; Base 70; FPC 200; Side pasting part 210; Front pasting part 220; Extension part 230; Notch 240; Middle frame 300; Front 310; Side 320; Beam 330; Groove 340; Protrusion 350. Detailed Implementation

[0018] Embodiments of the present invention are described in detail below. Examples of these embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present invention, and should not be construed as limiting the present invention.

[0019] In the description of this invention, it should be understood that the orientation descriptions, such as up, down, front, back, left, right, etc., are based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limiting this invention.

[0020] In the description of this invention, "several" means one or more, "multiple" means two or more, "greater than," "less than," and "exceeding" are understood to exclude the stated number, while "above," "below," and "within" are understood to include the stated number. The use of "first" and "second" in the description is merely for distinguishing technical features and should not be construed as indicating or implying relative importance, or implicitly indicating the number of indicated technical features, or implicitly indicating the order of the indicated technical features.

[0021] In the description of this invention, unless otherwise explicitly defined, terms such as "set up," "install," and "connect" should be interpreted broadly, and those skilled in the art can reasonably determine the specific meaning of the above terms in this invention in conjunction with the specific content of the technical solution.

[0022] In the description of this invention, the terms "one embodiment," "some embodiments," "illustrative embodiment," "example," "specific example," or "some examples," etc., refer to specific features, structures, materials, or characteristics described in connection with that embodiment or example, which are included in at least one embodiment or example of the invention. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples.

[0023] Additional aspects and advantages of the invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention.

[0024] Please see Figures 1 to 3 , Figures 7 to 9 , Figure 1 This is a three-dimensional structural schematic diagram of a button FPC antenna bonding machine 100 according to one embodiment of the present invention; Figure 2 yes Figure 1 Top view of the button FPC antenna bonding machine 100; Figure 3 yes Figure 1 A three-dimensional structural diagram of part of the bonding mechanism 30, bending mechanism 40 and bearing mechanism 10; Figure 7 yes Figure 3 Enlarged schematic diagram of part of the structure; Figure 8 yes Figure 4 Enlarged schematic diagram of part of the structure; Figure 9 yes Figure 6An enlarged schematic diagram of a portion of the structure. This invention provides a button FPC antenna bonding machine 100, applied to bonding an FPC 200 and a mid-frame 300. The FPC 200 includes a side bonding portion 210 and a front bonding portion 220 connected to each other. The button FPC antenna bonding machine 100 includes a carrying mechanism 10, a side bonding mechanism 20, a front bonding mechanism 30, and a bending mechanism 40. The supporting mechanism 10 is used to support the middle frame 300; the side-attaching mechanism 20 is used to pick up the FPC 200 and attach the side-attaching part 210 to the side 320 of the middle frame 300, so that the front-attaching part 220 is located outside the side 320; the front-attaching mechanism 30 includes a front-attaching driver 31, a limiting block 32 and a front-attaching block 33, the limiting block 32 is relatively movably connected to the front-attaching block 33, the front-attaching driver 31 is connected to the front-attaching block 33 and is configured to drive the front-attaching block 33 to move to a first position and a second position along a first direction perpendicular to the front face 310 of the middle frame 300; the bending mechanism 40 includes a bending driver 41 and a bending block 42, which... The bending actuator 41 is connected to the bending block 42 and is configured to drive the bending block 42 to move in a second direction perpendicular to the side surface 320. When the front-mounted block 33 is in the first position, the limiting block 32 is opposite to or abuts against the front surface 310. The bending actuator 41 can drive the bending block 42 to push the front-mounted portion 220 so that the front-mounted portion 220 is located on one side of the front-mounted block 33 in the first direction, and the side of the front-mounted portion 220 away from the side-mounted portion 210 abuts against the limiting block 32. When the front-mounted block 33 moves from the first position to the second position, the front-mounted block 33 can push the front-mounted portion 220 so that the front-mounted portion 220 is in contact with the front surface 310.

[0025] Please refer to the following for details. Figures 4 to 6 , Figure 4 yes Figure 3 A three-dimensional structural diagram of the positive bonding block 33, the limiting block 32, and the bending block 42, etc. Figure 5 yes Figure 4 A disassembly diagram of the structure including the positive bonding block 33 and the limiting block 32; Figure 6 yes Figure 5A disassembled schematic diagram of the positive bonding block 33 and the bending block 42 from another perspective. The first direction is parallel to the Z direction, and the second direction is parallel to the X direction. In the X direction, the bending block 42 and the limiting block 32 are arranged in sequence. The side of the limiting block 32 facing the bending block 42 has a limiting surface 323, which is perpendicular to the X direction. The positive bonding block 33 can be movably set on the limiting surface 323 along the Z direction. The bending driver 41 includes a linear motor with a driving direction parallel to the X direction. The bending block 42 is mounted on the driving end of the bending driver 41. The positive bonding driver 31 includes a linear motor with a driving direction parallel to the Z direction. The positive bonding block 33 is mounted on the driving end of the positive bonding driver 31. The button FPC antenna bonding machine 100 also includes a base 70. Both the bending driver 41 and the positive bonding driver 31 are mounted on the base 70. The positive bonding block 33 and the bending block 42 are slidably engaged with the base 70 through guide rails.

[0026] Understandably, the positive bonding driver 31 can drive the positive bonding block 33 to move along the Z direction to a first position. When the positive bonding block 33 is in the first position, the positive bonding block 33 and the middle frame 300 are spaced apart along the Z direction, and the limiting surface 323 is exposed on the side of the positive bonding block 33 facing the bending block 42 relative to the gap between the limiting block 32 and the bending block 42 along the Z direction. After the side bonding mechanism 20 bonds the FPC 200 to the middle frame 300, the side bonding portion 210 and the positive bonding portion 220 are arranged along the Z direction, and the positive bonding portion 220 can be located between the limiting block 32 and the bending block 42 along the X direction. The bending driver 41 can drive the bending block 42 to move toward the limiting surface 323 in the X direction and make the bending block 42 abut against the positive bonding part 220 to push the positive bonding part 220 to the side of the positive bonding block 33 facing the middle frame 300 in the Z direction. Then, the positive bonding driver 31 can drive the positive bonding block 33 to move toward the middle frame 300 in the Z direction to the second position and make the positive bonding block 33 abut against the positive bonding part 220 to press the positive bonding part 220 against the front surface 310 of the middle frame 300.

[0027] It should be noted that in some embodiments, the carrying mechanism 10 includes a positioning fixture 12 and a turntable 11. The positioning fixture 12 is used to position the middle frame 300 and fix the middle frame 300 to the side of the positioning fixture 12 along the Z direction. The turntable 11 is provided with multiple positioning fixtures 12. The turntable 11 can drive the positioning fixtures 12 to rotate around an axis parallel to the Z direction, so that the middle frame 300 can sequentially pass through the loading station, the side bonding station, the front bonding station, and the unloading station. The button FPC antenna bonding machine 100 also includes a loading robot 50 and an unloading robot 60. The loading robot 50 is located on one side of the turntable 11 along the X direction and is used to transfer the middle frame 300 from the conveyor line to the positioning fixture 12 located at the loading station. The unloading robot 60 is located on one side of the turntable 11 along the Y direction and is used to transfer the middle frame from the positioning fixture 12 located at the unloading station to the conveyor line.

[0028] It should be noted that the side-applying mechanism 20 includes a feeding assembly, a side-applying robot, and a side-applying vision module. The feeding assembly is located on the side of the turntable 11 opposite to the loading robot 50 in the X direction and is used to store the FPC 200. The side-applying robot is located on the side of the turntable 11 opposite to the unloading robot 60 in the Y direction. The side-applying robot is used to remove the FPC 200 from the feeding assembly and transfer it to the middle frame 300 on the positioning fixture 12 located at the side-applying station, so that the side-applying part 210 is attached to the side surface 320 of the middle frame 300. The side-applying vision module is electrically connected to the side-applying robot and is used to detect the angle of the FPC 200 during the transfer of the FPC 200 by the side-applying robot, so that the side-applying robot can attach the FPC 200 to the middle frame 300 at a preset angle.

[0029] It should be noted that after the side-applying robot attaches the FPC200 to the middle frame 300, the side-applying part 210 is located on one side of the middle frame 300 along the direction perpendicular to the Z direction, and the front-applying part 220 is located on one side of the side-applying part 210 along the Z direction. The turntable 11 can drive the positioning fixture 12 to rotate from the side-applying position to the front-applying position, so that the front-applying part 220 rotates between the bending block 42 and the limiting block 32, and the middle frame 300 is located on one side of the limiting block 32 and the front-applying block 33 along the Z direction, so that the bending mechanism 40 and the front-applying mechanism 30 can work together to complete the bending and applicating of the FPC200.

[0030] It should be understood that in some embodiments, the positive bonding mechanism 30 further includes a limiting driver, which is a linear driver with a driving direction parallel to the Z direction. The driving end of the limiting driver is connected to the limiting block 32. The limiting driver can drive the limiting block 32 to move along the Z direction and make the limiting block 32 abut against the middle frame 300 along the Z direction, so that the limiting block 32 and the positioning fixture 12 fix the middle frame 300 from opposite sides in the Z direction. This arrangement can reduce the risk of the middle frame 300 being misaligned relative to the limiting block 32, and can make the bending block 42 push the positive bonding part 220 to abut against the limiting block 32. After this, the position of the positive bonding part 220 and the middle frame 300 in the X direction is as expected, which is beneficial to improving the bonding accuracy of the positive bonding part 220 on the front side 310.

[0031] The button FPC antenna bonding machine 100 of the present invention has a side bonding mechanism 20 that can bond the side bonding portion 210 of FPC 200 to the side surface 320 of the middle frame 300. Subsequently, the bending mechanism 40 can push the front bonding portion 220 so that FPC 200 is bent until the front bonding portion 220 is located on one side of the front bonding block 33 along the first direction. Then, the front bonding block 33 can push the front bonding portion 220 along the first direction so that FPC 200 is bent again and the front bonding portion 220 is bonded to the front bonding surface 335 of the middle frame 300. This allows the bending and bonding of FPC 200 to be completed simultaneously, thereby improving efficiency and realizing high-precision automated bonding of FPC 200 to the middle frame 300.

[0032] It should be noted that the FPC200 needs to be bent before being attached to the mid-frame. Because the FPC200 is relatively soft, it is prone to unexpected deformation before attachment, which can lead to an unqualified shape after attachment to the mid-frame 300, thus reducing assembly quality. The button FPC antenna bonding machine 100 in this embodiment allows the bending and bonding of the FPC200 to be completed simultaneously. This reduces the risk of unexpected deformation of the FPC200 before bonding, thus improving the bonding accuracy and overall assembly quality.

[0033] It should be noted that the mid-frame 300 can be used in mobile phones and tablets. In some embodiments, the button FPC antenna bonding machine 100 is used to bond the FPC 200, which serves as a conductor, to the mid-frame 300 so that the FPC 200 can electrically connect the button and the motherboard. In other embodiments, the button FPC antenna bonding machine 100 is used to bond the FPC 200, which serves as an antenna, to the mid-frame 300 so that the motherboard can transmit and receive wireless signals via the FPC 200.

[0034] Please see Figure 5 and Figure 9 In one embodiment of this implementation, a limiting groove 421 is provided on one side of the bending block 42 along the second direction. The limiting groove 421 extends through the bending block 42 along the first direction and is used to accommodate the extension 230 connected between the front attachment portion 220 and the side attachment portion 210.

[0035] Specifically, in the Y direction, the dimensions of the limiting groove 421 and the side-attachment portion 210 are adapted. It can be understood that when the middle frame 300 is in the front-attachment position, the side 320 of the middle frame 300 is perpendicular to the X direction, the front 310 of the middle frame 300 is perpendicular to the Z direction, and the extension 230 is located between the front-attachment portion 220 and the side-attachment portion 210 along the Z direction. When the bending block 42 moves towards the limiting block 32, the extension 230 can enter the limiting groove 421 along the X direction and engage with it. As the bending block 42 pushes the front-attachment portion 220, the extension 230 is gradually bent and slides relative to the bending block 42 within the limiting groove 421 in a direction perpendicular to the Y direction. The bending block 42 can limit the relative position of the extension 230 and the front-attachment portion 220 in the Y direction through the limiting groove 421, thereby reducing the risk of reduced bonding accuracy due to misalignment between the front-attachment portion 220 and the middle frame 300 in the Y direction.

[0036] Please see Figures 4 to 5 , Figures 7 to 8In one embodiment of this implementation, the positive bonding mechanism 30 further includes a limiting strip 321, which extends along a first direction and is connected to one side of the limiting block 32 along a second direction. The bending block 42 is used to push the positive bonding part 220 against the limiting block 32 and to position the positive bonding part 220 on one side of the limiting strip 321 along a third direction, which is perpendicular to the first and second directions.

[0037] Specifically, the third direction is parallel to the Y direction. The limiting strip 321 is located on the limiting surface 323 and protrudes relative to the limiting surface 323 along the X direction. The side of the limiting strip 321 along the Y direction has a plane perpendicular to the Y direction. It can be understood that the side of the limiting strip 321 along the Y direction is used to abut against the positive bonding part 220. During the process of the positive bonding block 33 pushing the positive bonding part 220 towards the middle frame 300, the positive bonding part 220 can slide along the limiting strip 321 so that the limiting strip 321 can provide guidance for the movement of the positive bonding part 220, thereby reducing the risk of deviation during the movement of the positive bonding part 220. This setting is beneficial to further improve the bonding accuracy.

[0038] Please see Figures 4 to 5 , Figures 7 to 8 In one embodiment of this implementation, the front-mounted patch 33 includes a first pressing portion 331 and a second pressing portion 332. The first pressing portion 331 is movably connected to one side of the limiting block 32 along the second direction. The second pressing portion 332 is located on the side of the first pressing portion 331 facing away from the limiting block 32. In the third direction, the size of the second pressing portion 332 is smaller than that of the first pressing portion 331. The third direction is perpendicular to the first and second directions. The first pressing portion 331 is used to press the front-mounted patch 220 onto the front surface 310. The second pressing portion 332 is used to abut against the extension 230 connected between the front-mounted patch 220 and the side-mounted patch 210 to press the extension 230 into the slot 340 of the middle frame 300.

[0039] Specifically, the front side 310 of the middle frame 300 has a beam 330, which has two opposing sidewalls. One sidewall of the beam 330 forms a side surface 320, and the other sidewall has a slot 340 exposed on the top surface of the beam 330. In the Y direction, the size of the second pressing part 332 is adapted to the size of the slot 340. It can be understood that during the process of the first pressing part 331 pressing the front part 220 onto the front side 310, the second pressing part 332 moves along the Z direction with the first pressing part 331 and can abut against the extension 230. The second pressing part 332 can bend the extension 230 to fit against the top surface of the beam 330 and push the extension 230 into the slot 340 so that the extension 230 fits with the slot 340, thereby allowing the extension 230 to fit and cover the beam 330. This design allows the FPC200 to fit more tightly with the mid-frame 300, reducing the risk that the front part 220 and the front side 310 may not fit securely due to the elastic recovery of the FPC200.

[0040] Please see Figure 4 , Figures 7 to 8 In one embodiment of this implementation, the limiting block 32 has a plurality of strip grooves 322 arranged at intervals along a third direction on the side facing the bending block 42, the third direction being perpendicular to the first direction and the second direction, and the strip grooves 322 extending along the first direction.

[0041] Specifically, the strip grooves 322 are formed on the limiting surface 323, and multiple strip grooves 322 are arranged at intervals along the Y direction. It can be understood that the surface of the front-mounted part 220 has an adhesive coating, which is used to bond the front-mounted part 220 to the middle frame 300. When the bending block 42 pushes the front-mounted part 220 to abut against the limiting block 32, the surface of the front-mounted part 220 with the adhesive coating will come into contact with the limiting surface 323. On the one hand, this will increase the resistance when the front-mounted part 220 moves relative to the limiting block 32. During the process of the front-mounted block 33 pushing the front-mounted part 220 towards the middle frame 300, the front-mounted part 220 is prone to wrinkling. On the other hand, the adhesive coating is prone to adhere to the limiting block 32, resulting in a reduction of the adhesive coating on the front-mounted part 220, which will lead to the adhesion between the front-mounted part 220 and the middle frame 300 not meeting the standard. By opening multiple strip grooves 322 on the limiting block 32, the contact area between the limiting surface 323 and the positive bonding part 220 can be reduced. On the one hand, this can reduce the risk that the positive bonding part 220 will wrinkle during the process of the positive bonding block 33 pushing the positive bonding part 220 due to excessive adhesion between the positive bonding part 220 and the limiting block 32. On the other hand, it can reduce the risk that the adhesive coating will adhere to the limiting block 32, thereby reducing the risk that the bonding force between the positive bonding part 220 and the middle frame 300 will not meet expectations.

[0042] Please see Figures 3 to 6In one embodiment of this implementation, the positive bonding block 33 is elastically connected to the limiting block 32, the limiting block 32 is used to abut against the front side 310, and the positive bonding block 33 can elastically move relative to the limiting block 32 in a first direction to move from the first position to the second position.

[0043] Specifically, the positive bonding mechanism 30 includes a spring that can elastically deform along the Z direction. One end of the spring along the Z direction is connected to the positive bonding block 33, and the other end is connected to the limiting block 32.

[0044] It should be noted that the limiting block 32 is elastically disposed on the positive bonding block 33 so that the positive bonding driver 31 can synchronously drive the limiting block 32 and the positive bonding block 33 to move. During the process of the positive bonding driver 31 driving the positive bonding block 33 to move from the first position to the second position along the Z direction, the limiting block 32 can abut against the middle frame 300 before the positive bonding block 33. The limiting block 32 can compress the spring under the force applied by the middle frame 300 along the Z direction and move relative to the positive pressure block along the Z direction so that the limiting block 32 can press the middle frame 300 tightly during the process of the positive bonding block 33 pushing the positive bonding part 220.

[0045] Understandably, other parts are usually mounted on the middle frame 300 when it moves to the bonding station. When the middle frame 300 vibrates, these other parts are prone to falling off. By elastically connecting the limiting block 32 and the bonding block 33, and using the elastic force generated by the deformation of the elastic element to press the middle frame 300 together, the deformation of the elastic element gradually increases as the bonding block 33 moves from the first position to the second position. As the bonding block 33 moves, the deformation of the elastic element gradually increases, and the pressing force applied by the limiting block 32 to the middle frame 300 gradually increases. This arrangement ensures that the force change on the middle frame 300 is continuous, reducing the risk of vibration caused by sudden changes in force on the middle frame 300, and thus reducing the risk of other parts falling off the middle frame 300.

[0046] Please see Figure 3 , Figures 5 to 6 In one embodiment of this implementation, the positive bonding mechanism 30 further includes an elastic element. The positive bonding block 33 has a telescopic groove 333 and an adjustment hole 334 corresponding to each other on both sides along the first direction. The adjustment hole 334 is connected to the telescopic groove 333. The limiting block 32 is movably disposed in the telescopic groove 333. The elastic element is located in the telescopic groove 333 and is connected to the limiting block 32 and the positive bonding block 33. The elastic element is exposed in the adjustment hole 334 and can be elastically deformed along the first direction. The adjustment hole 334 is used for the user to adjust the preload of the elastic element.

[0047] Specifically, the elastic element is a spring that can elastically deform along the Z direction. In some embodiments, the positive bonding mechanism 30 includes a fastener, and the positive bonding block 33 includes a first component 338 and a second component 339. The first component 338 and the second component 339 are connected to form the positive bonding block 33 and cooperate to form a telescopic groove 333. An adjustment hole 334 is opened in the first component 338 along the Z direction. The adjustment hole 334 is a threaded hole. The fastener passes through the threaded hole and is threadedly engaged with the threaded hole. The fastener extends into the telescopic groove 333 through the adjustment hole 334 and is connected to the elastic element. The user can rotate the fastener about an axis parallel to the Z direction and move the fastener along the Z direction under the guidance of the thread, so that the fastener compresses or stretches the elastic element along the Z direction, thereby adjusting the preload of the elastic element. With this configuration, the user can adjust the elastic force applied by the elastic element to the limiting block 32 according to the actual operating condition of the bonding mechanism 30, and make the elastic force applied by the elastic element to the limiting block 32 match the weight of the middle frame 300, so as to further reduce the risk of other parts falling off due to vibration of the middle frame 300.

[0048] Please see Figures 4 to 5 , Figures 7 to 9 In one embodiment of this implementation, the positive bonding block 33 has a positive bonding surface 335 on one side along the first direction. The positive bonding surface 335 is used to abut against the positive bonding part 220. The positive bonding surface 335 is provided with a mating groove 336, which is used to cooperate with the protrusion 350 of the middle frame 300.

[0049] Specifically, the front surface 335 is perpendicular to the Z direction, the mating groove 336 is formed along the Z direction on the front surface 335 and exposed on the side of the front block 33 along the Y direction, the front block 33 has two mating grooves 336, the two mating grooves 336 are arranged at intervals along the Y direction, and the protrusion 350 of the middle frame 300 is located on the front surface 310 of the device and protrudes relative to the front surface 310 along the Z direction.

[0050] Understandably, in some cases, the middle frame 300 is provided with a protrusion 350 for engaging with the notch 240 of the front-mounted part 220. When the front-mounted block 33 abuts against the front-mounted part 220, the mating groove 336 can be opposite to the notch 240 on the front-mounted part 220. When the front-mounted block 33 presses the front-mounted part 220 onto the front side 310, the protrusion 350 can extend sequentially into the notch 240 and the mating groove 336 along the Z direction. On the one hand, the mating groove 336 can engage with the protrusion 350 to further ensure that the relative position of the front-mounted block 33 and the middle frame 300 meets expectations, which is beneficial to improving the bonding accuracy. On the other hand, by providing the mating groove 336 on the front-mounted block 33, the contact area between the front-mounted block 33 and the front-mounted part 220 can be guaranteed while reducing the risk that the front-mounted block 33 will obstruct the engagement of the protrusion 350 with the notch 240 of the front-mounted part 220.

[0051] Please see Figure 6and Figure 9 In one embodiment of this implementation, the bending block 42 is provided with a transition surface 422 on one side along the first direction. The transition surface 422 is inclined to the first direction. The limiting groove 421 penetrates the transition surface 422 and forms a limiting opening 423 on the transition surface 422. The limiting groove 421 is used for the extension 230 to slide, so that the extension 230 slides from the limiting opening 423 to the transition surface 422.

[0052] Specifically, the transition surface 422 is parallel to the Y direction and inclined to the Z direction. It can be understood that during the bending process of the bending block 42 bending the front part 220, the extension 230 can slide from the limiting groove 421 to the transition surface 422, and slide along the transition surface 422 until it separates from the bending block 42. This arrangement helps to increase the bending radius of the extension 230, thereby reducing the risk of copper layer breakage in the FPC200.

[0053] Please see Figures 7 to 8 In one embodiment of this implementation, the limiting block 32 has a limiting surface 323 on the side facing the bending block 42. The limiting surface 323 is perpendicular to the second direction. A strip groove 322 is formed on the limiting surface 323. The limiting surface 323 is used to abut against the positive bonding portion 220. The positive bonding block 33 can slide along the limiting surface 323 to cover the strip groove 322.

[0054] Specifically, the side of the positive bonding block 33 facing the limiting block 32 is bonded to the limiting surface 323 so that the positive bonding block 33 can slide along the limiting surface 323. It is understood that when the limiting surface 323 is in contact with the positive bonding part 220, the adhesive coating of the positive bonding part 220 may adhere to the limiting surface 323. During the multiple bonding processes, a large amount of adhesive coating may accumulate on the positive bonding surface 335. On the one hand, this will cause the limiting surface 323 to be uneven, resulting in wrinkles on the positive bonding part 220 that is against the limiting surface 323. On the other hand, the adhesive coating on the limiting surface 323 may fall off and adhere to the positive bonding part 220, resulting in uneven thickness of the adhesive coating on the positive bonding part 220, which will reduce the bonding quality of the positive bonding part 220 on the middle frame 300. The positive bonding block 33 can slide along the limiting surface 323, which can scrape off the adhesive coating on the limiting surface 323. On the one hand, it can make the limiting surface 323 flat, thereby reducing the risk of wrinkling when the positive bonding part 220 abuts against the limiting surface 323. On the other hand, it can reduce the risk of the adhesive coating on the limiting block 32 adhering to the positive bonding part 220, resulting in uneven thickness of the adhesive coating on the positive bonding part 220, which is beneficial to improving the bonding quality.

[0055] The embodiments of the present invention have been described in detail above with reference to the accompanying drawings. However, the present invention is not limited to the above embodiments, and various changes can be made within the scope of knowledge possessed by those skilled in the art without departing from the spirit of the present invention. Furthermore, the embodiments of the present invention and the features thereof can be combined with each other unless otherwise specified.

Claims

1. A button FPC antenna bonding machine, used for bonding FPC and mid-frame, wherein the FPC includes a side bonding portion and a front bonding portion connected to each other, characterized in that, The button FPC antenna bonding machine includes: A support mechanism is used to support the middle frame; A side-attachment mechanism is used to pick up the FPC and attach the side-attachment part to the side of the middle frame, so that the front-attachment part is located outside the side; The front-mounting mechanism includes a front-mounting driver, a limiting block, and a front-mounting block. The limiting block is movably connected to the front-mounting block. The front-mounting driver is connected to the front-mounting block and configured to drive the front-mounting block to move along a first direction perpendicular to the front surface of the middle frame to a first position and a second position. A bending mechanism includes a bending driver and a bending block, the bending driver being connected to the bending block and configured to drive the bending block to move in a second direction perpendicular to the side surface; When the front-mounted block is in the first position, the limiting block is opposite to or abuts against the front surface, and the bending driver can drive the bending block to push the front-mounted part so that the front-mounted part is located on one side of the front-mounted block in the first direction, and the side of the front-mounted part away from the side-mounted part abuts against the limiting block; when the front-mounted block moves from the first position to the second position, the front-mounted block can push the front-mounted part so that the front-mounted part is in contact with the front surface.

2. The button FPC antenna bonding machine according to claim 1, characterized in that, The bending block has a limiting groove on one side along the second direction, the limiting groove passes through the bending block along the first direction, and is used to accommodate the extension connecting the front part and the side part.

3. The button FPC antenna bonding machine according to claim 1, characterized in that, The positive bonding mechanism further includes a limiting strip that extends along the first direction and is connected to one side of the limiting block along the second direction. The bending block is used to push the positive bonding part against the limiting block and position the positive bonding part on one side of the limiting strip along a third direction, which is perpendicular to the first direction and the second direction.

4. The button FPC antenna bonding machine according to claim 1, characterized in that, The front-mounted patch includes a first pressing part and a second pressing part. The first pressing part is movably connected to one side of the limiting block along the second direction. The second pressing part is located on the side of the first pressing part opposite to the limiting block. In the third direction, the size of the second pressing part is smaller than that of the first pressing part. The third direction is perpendicular to the first direction and the second direction. The first pressing part is used to press the front-mounted patch onto the front side. The second pressing part is used to abut against the extension connected between the front-mounted patch and the side-mounted patch to press the extension into the groove of the middle frame.

5. The button FPC antenna bonding machine according to claim 1, characterized in that, The limiting block has a plurality of strip grooves arranged at intervals along a third direction on one side facing the bending block. The third direction is perpendicular to the first direction and the second direction, and the strip grooves extend along the first direction.

6. The button FPC antenna bonding machine according to claim 1, characterized in that, The positive bonding block is elastically connected to the limiting block, the limiting block is used to abut against the front side, and the positive bonding block can elastically move relative to the limiting block along the first direction to move from the first position to the second position.

7. The button FPC antenna bonding machine according to claim 6, characterized in that, The positive bonding mechanism also includes an elastic element. The positive bonding block has expansion grooves and adjustment holes corresponding to each other on both sides along the first direction. The adjustment holes are connected to the expansion grooves. The limiting block is movably disposed in the expansion grooves. The elastic element is located in the expansion grooves and connects the limiting block and the positive bonding block. The elastic element is exposed in the adjustment holes and can elastically deform along the first direction. The adjustment holes are used for the user to adjust the preload of the elastic element.

8. The button FPC antenna bonding machine according to claim 1, characterized in that, The positive bonding block has a positive bonding surface on one side along the first direction. The positive bonding surface is used to abut against the positive bonding part. The positive bonding surface has a mating groove, which is used to mate with the protrusion of the middle frame.

9. The button FPC antenna bonding machine according to claim 2, characterized in that, The bending block has a transition surface on one side along the first direction. The transition surface is inclined to the first direction. The limiting groove passes through the transition surface and forms a limiting opening on the transition surface. The limiting groove is used for the extension to slide, so that the extension slides from the limiting opening to the transition surface.

10. The button FPC antenna bonding machine according to claim 5, characterized in that, The limiting block has a limiting surface on its side facing the bending block. The limiting surface is perpendicular to the second direction. The strip groove is formed on the limiting surface. The limiting surface is used to abut against the positive bonding part. The positive bonding block can slide along the limiting surface to cover the strip groove.

Images