Jig for bending edge of mobile phone middle frame pressing copper foil

Abstract

The utility model discloses a kind of jigs of bending edge of mobile phone middle frame pressing copper foil, it includes jig upper die component, jig lower die component, jig lower die component includes lower die plate, and middle frame placement area is set on lower die plate upper surface, and lower die plate is equipped with several middle frame positioning needle in middle frame placement area;Jig upper die component includes upper die top plate, upper die bottom plate, several bending assembly;Bending assembly includes the upper die insert of being equipped in upper die bottom plate, vertical through and obliquely extended insert through-hole is opened in upper die insert middle part, insert through-hole is slidably installed insert slider, and pressure head is equipped in insert slider lower end portion;First compression spring is equipped between insert slider and upper die top plate, and the upper end portion of first compression spring is in abutment with upper die top plate, and the lower end portion of first compression spring is in abutment with insert slider. By the above structural design, the utility model can realize the synchronous bending of multiple bending edges of copper foil, i.

Description

Technical Field

[0001] This utility model relates to the field of jig device technology, and in particular to a jig for pressing and bending the copper foil edge of a mobile phone frame. Background Technology

[0002] For the mid-frame of a mobile phone, in order to achieve functions such as signal shielding and interference cancellation, heat management, electromagnetic wave shielding, grounding, and electrostatic protection, copper foil needs to be laminated onto the mid-frame. This involves attaching and fixing a copper foil piece to the mid-frame. It should be noted that after the copper foil is laminated, several bent edges at the edges of the copper foil need to be bent to ensure they adhere to the surface of the mid-frame. Traditionally, the copper foil bending process is done manually, one bend at a time, which is inefficient and carries the risk of missed bends. After the manual bending is completed, a full inspection is required, checking the bending condition of each bend.

[0003] It should be noted that the Chinese utility model patent with patent number ZL202121189904.5 and patent name: A copper foil attaching fixture for a metal mobile phone frame specifically discloses the following technical solution: A copper foil attaching fixture for a metal mobile phone frame includes a base plate, a mold core is mounted on the upper end of the base plate, and a mold cavity arranged in a concave shape is provided on the upper end of the mold core. At least one anti-reverse pin and at least two positioning pins are mounted on the upper end of the mold cavity. At least two suction heads are provided on the upper end of the mold cavity, and the suction heads are connected to the air nozzles provided on the side of the base plate. A sensor receiving hole arranged in a rectangular shape is provided in the middle of the mold cavity.

[0004] When the above-mentioned metal mobile phone frame copper foil bonding fixture is in operation, the upper end of the mold core is provided with a concave mold cavity, and the upper end of the mold cavity is equipped with at least one anti-reverse pin and at least two positioning pins, so that the product is accurately positioned when placed in the mold cavity; and the upper end of the mold cavity is provided with four suction heads, so that the product is more firmly adhered to the mold cavity.

[0005] It should be noted that the aforementioned fixture for attaching copper foil to the mid-frame of a mobile phone still cannot simultaneously bend several folded edges of the copper foil; therefore, it is necessary to provide a special fixture for bending several folded edges of the copper foil on the mid-frame of a mobile phone. Utility Model Content

[0006] The purpose of this utility model is to provide a fixture for pressing and bending the copper foil edges of a mobile phone frame, which addresses the shortcomings of the existing technology. The fixture has a novel structural design and can simultaneously press and bend multiple edges of the copper foil, resulting in high work efficiency.

[0007] To achieve the above objectives, this utility model is implemented through the following technical solution.

[0008] A fixture for pressing and bending the copper foil edge of a mobile phone frame includes an upper mold assembly and a lower mold assembly located at the lower end of the upper mold assembly. The lower mold assembly includes a lower template, and the upper surface of the lower template is provided with a frame placement area. The lower template is equipped with a plurality of spaced frame positioning pins in the frame placement area.

[0009] The upper mold assembly of the fixture includes an upper mold top plate, an upper mold bottom plate screwed to the lower surface of the upper mold top plate, and several bending components corresponding to the bending edge positions of the copper foil.

[0010] The bending assembly includes an upper die insert mounted on the upper die base plate. The upper die insert has a vertically penetrating and inclined through hole in the middle. An insert slider is slidably installed in the through hole, and the lower end of the insert slider extends to the lower end of the upper die insert. A pressure head is installed at the lower end of the insert slider. A first compression spring is installed between the insert slider and the upper die top plate. The upper end of the first compression spring abuts against the upper die top plate, and the lower end of the first compression spring abuts against the insert slider.

[0011] Each of the insert sliders has a downward-facing slider mounting hole at its lower end, and each pressure head is respectively embedded in the slider mounting hole of the corresponding insert slider.

[0012] The upper end of each insert slider is provided with a slider shoulder, the inner wall of the insert through hole of each upper mold insert is provided with an insert shoulder, and the slider shoulder of each insert slider is located on the upper end side of the insert shoulder of the corresponding upper mold insert.

[0013] When the insert slider moves down to the lower limit position relative to the corresponding upper die insert, the slider shoulder of the insert slider abuts against the insert shoulder of the corresponding upper die insert.

[0014] The pressure head is a polyurethane component.

[0015] The upper mold top plate has a downward-facing first spring positioning hole corresponding to each of the first compression springs, and the upper end of each first compression spring is inserted into the corresponding first spring positioning hole.

[0016] The upper mold base plate has a vertical through-hole for mounting the upper mold insert, and the upper mold insert is embedded into the mounting hole of the upper mold base plate.

[0017] The upper end of the upper mold insert is provided with an insert protrusion, which is fixed between the upper mold top plate and the upper mold bottom plate.

[0018] The upper mold base plate is equipped with several pre-compression components arranged at intervals;

[0019] The pre-compression assembly includes a pre-compression block and a second compression spring. The upper mold base plate has a vertically penetrating block mounting hole corresponding to the pre-compression block. The pre-compression block is slidably installed in the block mounting hole, and the lower end of the pre-compression block extends to the lower end of the upper mold base plate. The second compression spring is located on the upper end of the pre-compression block. The upper end of the second compression spring abuts against the upper mold top plate, and the lower end of the second compression spring abuts against the pre-compression block.

[0020] The upper mold top plate has a downward-facing second spring positioning hole corresponding to each of the second compression springs, and the upper end of each second compression spring is inserted into the corresponding second spring positioning hole.

[0021] Each of the pre-pressing blocks has a block shoulder at its upper end, and each of the block mounting holes has a bottom plate shoulder located on the lower end side of the block shoulder of the corresponding pre-pressing block on its inner wall.

[0022] When the pre-pressing block moves down to the lower limit position relative to the upper mold base plate, the pressing block shoulder of the pre-pressing block abuts against the corresponding base plate shoulder.

[0023] Each of the pre-compression blocks is provided with a pre-compression adhesive component at its lower end, and the pre-compression adhesive component is a urethane adhesive component.

[0024] Compared with the prior art, the present invention has the following advantages: Specifically, the upper mold assembly of the fixture of the present invention is provided with several bending components, and each bending edge of the copper foil corresponds to a bending component. That is, the fixture for pressing the bending edge of the copper foil of the mobile phone frame can simultaneously perform bending processing on multiple bending edges of the copper foil, and the bending processing efficiency is high. Therefore, the fixture for pressing the bending edge of the copper foil of the mobile phone frame of the present invention has the advantages of novel structural design and high working efficiency. Attached Figure Description

[0025] The present invention will be further described below with reference to the accompanying drawings, but the embodiments in the drawings do not constitute any limitation on the present invention.

[0026] Figure 1 This is a schematic diagram of the structure of this utility model.

[0027] Figure 2 for Figure 1 A schematic diagram of its breakdown.

[0028] Figure 3 This is a partial structural schematic diagram of the present invention.

[0029] Figure 4 This is a cross-sectional schematic diagram of the bending assembly of this utility model.

[0030] Figure 5 This is a schematic diagram of the pre-compression component of this utility model.

[0031] exist Figures 1 to 5 This includes:

[0032] 1-Upper mold assembly of fixture; 11-Upper mold top plate; 111-First spring positioning hole; 112-Second spring positioning hole; 12-Upper mold bottom plate; 121-Insert mounting hole; 122-Pressure block mounting hole; 123-Bottom plate shoulder; 13-Bending assembly; 131-Upper mold insert; 1311-Insert through hole; 1312-Insert shoulder; 1313-Insert protrusion; 132-Insert slider; 1321-Slider mounting hole; 1322-Slider shoulder; 133-Pressure head; 134-First compression spring; 14-Pre-compression assembly; 141-Pre-compression block; 1411-Pressure block shoulder; 142-Second compression spring; 143-Pre-compression plastic part; 2-Lower mold assembly of fixture; 21-Lower template; 211-Middle frame placement area; 22-Middle frame positioning pin; 3-Mobile phone middle frame product. Detailed Implementation

[0033] The present invention will now be described in conjunction with specific embodiments.

[0034] Example 1, as Figures 1 to 5 As shown, a fixture for pressing and bending the copper foil edge of a mobile phone frame includes an upper mold assembly 1 and a lower mold assembly 2 located at the lower end of the upper mold assembly 1. The lower mold assembly 2 includes a lower template 21, and the upper surface of the lower template 21 is provided with a frame placement area 211. The lower template 21 is equipped with a plurality of spaced frame positioning pins 22 in the frame placement area 211.

[0035] Among them, such as Figures 1 to 5 As shown, the upper mold assembly 1 of the fixture includes an upper mold top plate 11, an upper mold bottom plate 12 screwed and fastened to the lower surface of the upper mold top plate 11, and several bending components 13 corresponding to the bending edge positions of the copper foil.

[0036] Furthermore, such as Figure 2 and Figure 4 As shown, the bending assembly 13 includes an upper die insert 131 mounted on the upper die base plate 12. The upper die insert 131 has a vertically penetrating and inclinedly extending insert through hole 1311 in the middle. An insert slider 132 is slidably installed in the insert through hole 1311, and the lower end of the insert slider 132 extends to the lower end side of the upper die insert 131. A pressure head 133 is mounted on the lower end of the insert slider 132. A first compression spring 134 is installed between the insert slider 132 and the upper die top plate 11. The upper end of the first compression spring 134 abuts against the upper die top plate 11, and the lower end of the first compression spring 134 abuts against the insert slider 132.

[0037] In the process of bending the copper foil edge of the mobile phone mid-frame product 3 using the fixture for pressing and bending the copper foil edge of the mobile phone mid-frame in this embodiment, the mobile phone mid-frame product 3 is first placed in the mid-frame placement area 211 on the upper surface of the lower template 21. Several mid-frame positioning pins 22 in the mid-frame placement area 211 are inserted into the structural holes at the corresponding positions of the mobile phone mid-frame product 3, that is, the mobile phone mid-frame product 3 is positioned by the mid-frame positioning pins 22. After the mobile phone mid-frame product 3 with copper foil is positioned in the mid-frame placement area 211 of the lower template 21, the upper mold assembly 1 of the fixture is pressed down and the upper mold assembly 1 of the fixture is closed. The upper mold assembly 1 of the fixture can be closed manually or driven by a driving component such as a cylinder. During this process, each bending assembly 13 presses against the bending edge of the copper foil at the corresponding position to achieve the bending treatment of the copper foil edge.

[0038] It should be emphasized that, for the bending assembly 13 in this embodiment, when the upper mold top plate 11 and the upper mold bottom plate 12 have not moved down to the closed position, the elastic force of the first compression spring 134 pushes down against the insert slider 132 and causes the insert slider 132 to move down to the lower limit position relative to the upper mold insert 131. During this process, the pressure head 133 first contacts the copper foil of the mobile phone frame product 3. As the upper mold top plate 11 and the upper mold bottom plate 12 continue to move down, since each insert through hole 1311 extends at an incline, during this process, each upper mold insert 131 drives the corresponding insert slider 132 to move from the inside to the outside, thereby causing the pressure head 133 to push against the bent edge of the copper foil from the inside to the outside along the extension direction of the bent edge of the copper foil, so as to complete the bending process of the bent edge of the copper foil.

[0039] It should be emphasized that the upper mold assembly 1 of the fixture in this embodiment is provided with a number of bending components 13, and each bending edge of the copper foil corresponds to a bending component 13. That is, the fixture for pressing the bending edge of the copper foil of the mobile phone frame in this embodiment can simultaneously perform bending processing on multiple bending edges of the copper foil, resulting in high bending processing efficiency.

[0040] In summary, through the above structural design, the fixture for pressing and bending the copper foil edges of the mobile phone frame in this embodiment can achieve simultaneous pressing and bending of multiple bending edges of the copper foil. That is, the fixture for pressing and bending the copper foil edges of the mobile phone frame in this embodiment has the advantages of novel structural design and high work efficiency.

[0041] Example 2, as Figure 4 As shown, the difference between this embodiment 2 and embodiment 1 is that: the lower end of each insert slider 132 is provided with a slider mounting hole 1321 with a downward opening, and each pressure head 133 is respectively embedded in the slider mounting hole 1321 of the corresponding insert slider 132.

[0042] Example 3, as Figure 4As shown, the difference between this embodiment 3 and embodiment 1 is that: each insert slider 132 is provided with a slider shoulder 1322 at its upper end, and each upper mold insert 131 is provided with an insert shoulder 1312 on the inner wall of the insert through hole 1311. The slider shoulder 1322 of each insert slider 132 is located on the upper end side of the insert shoulder 1312 of the corresponding upper mold insert 131.

[0043] It should be noted that when the insert slider 132 moves down to the lower limit position relative to the corresponding upper mold insert 131, the slider shoulder 1322 of the insert slider 132 abuts against the insert shoulder 1312 of the corresponding upper mold insert 131.

[0044] Example 4 differs from Example 1 in that the pressure head 133 is an urethane rubber component.

[0045] Example 5, as Figure 4 As shown, the difference between this fifth embodiment and the first embodiment is that: the upper mold top plate 11 is provided with a downward-facing first spring positioning hole 111 for each first compression spring 134, and the upper end of each first compression spring 134 is inserted into the corresponding first spring positioning hole 111; the first compression spring 134 is positioned by the first spring positioning hole 111, and this fifth embodiment can effectively ensure the stability of the installation position of the first compression spring 134.

[0046] Example 6, as Figure 4 As shown, the difference between this sixth embodiment and the first embodiment is that the upper mold base plate 12 has a vertical through-hole 121 for the upper mold insert 131, and the upper mold insert 131 is embedded into the insert mounting hole 121 of the upper mold base plate 12.

[0047] The upper end of the upper mold insert 131 is provided with an insert protrusion 1313, which is fixed between the upper mold top plate 11 and the upper mold bottom plate 12.

[0048] In this embodiment, the upper mold insert 131 is fixed between the upper mold top plate 11 and the upper mold bottom plate 12. This assembly method has the advantages of convenient and quick assembly.

[0049] Example 7, as Figure 2 , Figure 3 , Figure 5 As shown, the difference between this embodiment seven and embodiment one is that the upper mold base plate 12 is equipped with a number of pre-compression components 14 arranged at intervals.

[0050] Specifically, the pre-compression assembly 14 includes a pre-compression block 141 and a second compression spring 142. The upper mold base plate 12 has a vertically penetrating block mounting hole 122 corresponding to the pre-compression block 141. The pre-compression block 141 is slidably installed in the block mounting hole 122, and the lower end of the pre-compression block 141 extends to the lower end side of the upper mold base plate 12. The second compression spring 142 is located on the upper end side of the pre-compression block 141. The upper end of the second compression spring 142 abuts against the upper mold top plate 11, and the lower end of the second compression spring 142 abuts against the pre-compression block 141.

[0051] When the upper mold assembly 1 of the fixture is closed and the bending assembly 13 acts on the copper foil on the mobile phone mid-frame product 3, in this embodiment seven, the pre-pressure assembly 14 is first used to pre-pressure the mobile phone mid-frame product 3 to ensure the stability of the position of the mobile phone mid-frame product 3 during the bending operation. In this embodiment seven, the pre-pressure assembly 14 achieves the elastic pressing effect by means of the elastic force of the second compression spring 142.

[0052] Example 8, as Figure 5 As shown, the difference between this embodiment eight and embodiment seven is that: the upper mold top plate 11 is provided with a downward-facing second spring positioning hole 112 for each second compression spring 142, and the upper end of each second compression spring 142 is inserted into the corresponding second spring positioning hole 112.

[0053] Example 9, as Figure 5 As shown, the difference between this embodiment nine and embodiment one is that: each pre-pressing block 141 is provided with a block shoulder 1411 at its upper end, and each block mounting hole 122 is provided with a bottom plate shoulder 123 located on the lower end side of the block shoulder 1411 of the corresponding pre-pressing block 141 on its inner wall.

[0054] It should be noted that when the pre-pressing block 141 moves down to the lower limit position relative to the upper mold base plate 12, the pressing block shoulder 1411 of the pre-pressing block 141 abuts against the corresponding base plate shoulder 123.

[0055] Example 10, as follows Figure 2 and Figure 5 As shown, the difference between this embodiment ten and embodiment one is that: each pre-compression block 141 is provided with a pre-compression adhesive component 143 at its lower end, and the pre-compression adhesive component 143 is a urethane adhesive component.

[0056] The above description is only a preferred embodiment of this utility model. For those skilled in the art, there will be changes in the specific implementation method and application scope based on the idea of ​​this utility model. The content of this specification should not be construed as a limitation of this utility model.

Claims

1. A fixture for pressing and bending copper foil edges of a mobile phone frame, comprising an upper mold assembly (1) and a lower mold assembly (2) located at the lower end of the upper mold assembly (1). The lower mold assembly (2) includes a lower template (21), and the upper surface of the lower template (21) is provided with a frame placement area (211). The lower template (21) is provided with a plurality of spaced frame positioning pins (22) in the frame placement area (211). Its features are: The upper mold assembly (1) of the fixture includes an upper mold top plate (11), an upper mold bottom plate (12) screwed and fastened to the lower surface of the upper mold top plate (11), and several bending components (13) corresponding to the bending edge position of the copper foil. The bending assembly (13) includes an upper mold insert (131) mounted on the upper mold base plate (12). The upper mold insert (131) has a vertical through-hole (1311) that extends obliquely through the middle. An insert slider (132) is slidably installed in the insert through-hole (1311). The lower end of the insert slider (132) extends to the lower end of the upper mold insert (131). A pressure head (133) is installed at the lower end of the insert slider (132). A first compression spring (134) is installed between the insert slider (132) and the upper mold top plate (11). The upper end of the first compression spring (134) abuts against the upper mold top plate (11), and the lower end of the first compression spring (134) abuts against the insert slider (132).

2. The fixture for bending the copper foil edge of a mobile phone frame according to claim 1, characterized in that: Each of the insert sliders (132) has a downward-facing slider mounting hole (1321) at its lower end, and each of the pressure heads (133) is respectively embedded in the slider mounting hole (1321) of the corresponding insert slider (132).

3. The fixture for bending the copper foil edge of a mobile phone frame according to claim 1, characterized in that: Each of the insert sliders (132) is provided with a slider shoulder (1322) at its upper end. Each of the upper mold inserts (131) is provided with an insert shoulder (1312) on the inner wall of the insert through hole (1311). The slider shoulder (1322) of each insert slider (132) is located on the upper end side of the insert shoulder (1312) of the corresponding upper mold insert (131). When the insert slider (132) moves down to the lower limit position relative to the corresponding upper mold insert (131), the slider shoulder (1322) of the insert slider (132) abuts against the insert shoulder (1312) of the corresponding upper mold insert (131).

4. The fixture for bending the copper foil edge of a mobile phone frame according to claim 1, characterized in that: The pressure head (133) is a polyurethane component.

5. The fixture for bending the copper foil edge of a mobile phone frame according to claim 1, characterized in that: The upper mold top plate (11) has a downward-facing first spring positioning hole (111) for each of the first compression springs (134), and the upper end of each first compression spring (134) is inserted into the corresponding first spring positioning hole (111).

6. The fixture for bending the copper foil edge of a mobile phone frame according to claim 1, characterized in that: The upper mold base plate (12) has a vertical through-hole (121) for the upper mold insert (131), and the upper mold insert (131) is embedded into the insert mounting hole (121) of the upper mold base plate (12); The upper end of the upper mold insert (131) is provided with an insert protrusion (1313), which is fixed between the upper mold top plate (11) and the upper mold bottom plate (12).

7. A fixture for bending the edge of a mobile phone frame by pressing copper foil according to any one of claims 1 to 6, characterized in that: The upper mold base plate (12) is equipped with a number of pre-compression components (14) arranged at intervals. The pre-compression assembly (14) includes a pre-compression block (141) and a second compression spring (142). The upper mold base plate (12) has a vertical through-hole (122) for the pre-compression block (141). The pre-compression block (141) is slidably installed in the pre-compression block mounting hole (122), and the lower end of the pre-compression block (141) extends to the lower end of the upper mold base plate (12). The second compression spring (142) is located on the upper end of the pre-compression block (141). The upper end of the second compression spring (142) abuts against the upper mold top plate (11), and the lower end of the second compression spring (142) abuts against the pre-compression block (141).

8. The fixture for bending the copper foil edge of a mobile phone frame according to claim 7, characterized in that: The upper mold top plate (11) has a downward-facing second spring positioning hole (112) for each of the second compression springs (142), and the upper end of each second compression spring (142) is inserted into the corresponding second spring positioning hole (112).

9. The fixture for bending the copper foil edge of a mobile phone frame according to claim 7, characterized in that: Each of the pre-pressing blocks (141) is provided with a block shoulder (1411) at its upper end, and each of the block mounting holes (122) is provided with a bottom plate shoulder (123) located on the lower end side of the block shoulder (1411) of the corresponding pre-pressing block (141). When the pre-pressing block (141) moves down to the lower limit position relative to the upper mold base plate (12), the pressing block shoulder (1411) of the pre-pressing block (141) abuts against the corresponding base plate shoulder (123).

10. The fixture for bending the copper foil edge of a mobile phone frame according to claim 7, characterized in that: Each of the pre-compression blocks (141) is provided with a pre-compression adhesive component (143) at its lower end. The pre-compression adhesive component (143) is an urethane adhesive component.

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