Welding jig for hinge door plate of folding screen mobile phone

Abstract

The utility model discloses a welding jig for a hinge door plate of a folding screen mobile phone. The welding jig comprises a positioning base and an interchanging jig, the positioning base is provided with a gas containing groove and a first vent hole, and the first vent hole is communicated with the side wall of the positioning base and the gas containing groove; the interchanging jig is detachably installed on the positioning base and seals an opening, located in the wall face of the positioning base, of the gas containing groove. The interchanging jig is provided with a positioning cavity and a second vent hole, and the second vent hole is communicated with the positioning cavity and the air containing groove. According to the welding jig for the hinge door plate of the folding screen mobile phone, spare parts to be welded are limited through the positioning cavity in the interchanging jig, argon is conveyed into the positioning cavity by external gas supply equipment through the first vent hole, the container groove and the second vent hole, and the hinge door plate is prevented from being oxidized and blackened in the welding process. The interchanging jig and the positioning base are of a split type structure, the interchanging jig of the corresponding model can be replaced according to hinge door plates of different models in the using process, and the equipment cost can be reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of welding jigs, in particular to a welding jig for a hinge door plate of a folding screen mobile phone. Background Art

[0002] A hinge door plate is provided at the folding part of an electronic device with a folding screen, such as a folding screen mobile phone, so that the two sides of the folding screen of the electronic device can be opened and closed relatively. In the manufacturing process of the existing hinge door plate, it is usually split into multiple loose parts, and a millisecond welding machine is used to weld the multiple loose parts into a hinge door plate product. The hinge door plate product is small and thin, and cannot be manually operated and positioned. Moreover, argon gas is required to prevent oxidation and blackening when the hinge door plate is welded. Therefore, it is necessary to design a welding jig for a hinge door plate of a folding screen mobile phone. Summary of the Utility Model

[0003] The technical problem to be solved by the utility model is to provide a welding jig for a hinge door plate of a folding screen mobile phone that can prevent the product from oxidizing and blackening.

[0004] To solve the above technical problem, the technical solution adopted by the utility model is: a welding jig for a hinge door plate of a folding screen mobile phone, including: a positioning base and an interchangeable jig; an air storage groove and a first ventilation hole are provided on the positioning base, and the first ventilation hole communicates the side wall of the positioning base and the air storage groove; the interchangeable jig is detachably installed on the positioning base and closes the opening of the air storage groove on the wall surface of the positioning base; a positioning cavity and a second ventilation hole are provided on the interchangeable jig, and the second ventilation hole communicates the positioning cavity and the air storage groove.

[0005] Further, the positioning base includes a base body, a driving member and a pressing block, the driving member is installed on the base body and is drivingly connected to the pressing block, the interchangeable jig is arranged between the pressing block and the base body, and the driving member is used to drive the pressing block to abut against or away from the interchangeable jig.

[0006] Further, the positioning base further includes a plurality of positioning blocks, the plurality of positioning blocks are detachably connected to the base body, and the interchangeable jig is arranged between at least two of the positioning blocks.

[0007] Further, a sealing member is provided on the positioning base, and the sealing member surrounds the air storage groove.

[0008] Further, the interchangeable jig includes an upper die and a lower die, a positioning pin is provided on the lower die, a positioning hole cooperating with the positioning pin is provided on the upper die, and the upper die and the lower die enclose to form the positioning cavity.

[0009] Further, a magnetic member is provided on the surface of the upper die close to the lower die, or a magnetic member is provided on the surface of the lower die close to the upper die.

[0010] Further, a detachable first insert is provided on the upper mold, a detachable second insert is provided on the lower mold, and pressure surfaces adapted to the surface of the hinge door panel are provided on both the first insert and the second insert.

[0011] Further, the interchangeable fixture further includes a side push module detachably connected to one side of the lower mold. A third insert is provided on the side push module, and a pressure surface adapted to the surface of the hinge door panel is provided on the third insert.

[0012] Further, a first hook is provided on the side push module, a second hook and an elastic member are provided on the lower mold. The second hook is movable relative to the lower mold, and the elastic member abuts against the second hook to drive the second hook to move toward the first hook.

[0013] Further, a detachable fourth insert is provided on the upper mold, and the second ventilation hole is formed in the fourth insert.

[0014] The beneficial effects of the present utility model are as follows: The welding fixture for the hinge door panel of the folding screen mobile phone uses the positioning cavity on the interchangeable fixture to limit the loose parts to be welded, and uses the first ventilation hole, the container groove and the second ventilation hole to enable an external air supply device to transport argon gas into the positioning cavity, preventing the hinge door panel from oxidizing and turning black during the welding process. The interchangeable fixture and the positioning base adopt a split structure, and corresponding interchangeable fixtures can be replaced according to different models of hinge door panels during use, which is beneficial to reducing the equipment cost. Description of the Drawings

[0015] Figure 1 is a schematic diagram of the overall structure of the welding fixture for the hinge door panel of the folding screen mobile phone according to Embodiment 1 of the present utility model;

[0016] Figure 2 is a top view of the welding fixture for the hinge door panel of the folding screen mobile phone according to Embodiment 1 of the present utility model;

[0017] Figure 3 is Figure 2 a cross-sectional view taken along line A-A in

[0018] Figure 4 is a schematic diagram of the structure of the positioning base in the welding fixture for the hinge door panel of the folding screen mobile phone according to Embodiment 1 of the present utility model;

[0019] Figure 5 is a front view of the interchangeable fixture in the welding fixture for the hinge door panel of the folding screen mobile phone according to Embodiment 1 of the present utility model;

[0020] Figure 6 is Figure 5 a cross-sectional view taken along line B-B in

[0021] Figure 7 This is a schematic structural diagram of the upper die in the welding fixture for the hinge door panel of a folding screen mobile phone in the first embodiment of the present utility model;

[0022] Figure 8 This is a schematic structural diagram of the lower die and the side push module in the welding fixture for the hinge door panel of a folding screen mobile phone in the first embodiment of the present utility model.

[0023] Label description:

[0024] 1. Positioning base;

[0025] 11. Body; 111. Air storage groove; 112. First ventilation hole;

[0026] 12. Driving member;

[0027] 13. Pressing block;

[0028] 14. Positioning block;

[0029] 15. Sealing member;

[0030] 2. Interchangeable fixture;

[0031] 21. Upper die; 211. Positioning cavity; 212. First insert; 213. Fourth insert; 2131. Second ventilation hole; 214. Positioning hole;

[0032] 22. Lower die; 221. Second insert; 222. Second hook; 223. Elastic member; 224. Positioning pin;

[0033] 23. Magnetic member;

[0034] 24. Side push module; 241. Third insert; 242. First hook. Detailed implementation manners

[0035] To describe in detail the technical content, the achieved purpose and the effects of the present utility model, the following is described in conjunction with the implementation manners and with reference to the accompanying drawings.

[0036] Please refer to Figures 1 to 8 , a welding fixture for the hinge door panel of a folding screen mobile phone, comprising: a positioning base 1 and an interchangeable fixture 2; an air storage groove 111 and a first ventilation hole 112 are formed on the positioning base 1, and the first ventilation hole 112 communicates the side wall of the positioning base 1 and the air storage groove 111; the interchangeable fixture 2 is detachably installed on the positioning base 1 and closes the opening of the air storage groove 111 on the wall surface of the positioning base 1; a positioning cavity 211 and a second ventilation hole 2131 are formed on the interchangeable fixture 2, and the second ventilation hole 2131 communicates the positioning cavity 211 and the air storage groove 111.

[0037] As can be seen from the above description, the beneficial effects of the present utility model are as follows: The welding jig for the hinge door plate of the folding screen mobile phone restricts the loose parts to be welded by using the positioning cavity 211 on the interchangeable jig 2, and uses the first ventilation hole 112, the container groove and the second ventilation hole 2131 to enable an external gas supply device to transport argon gas into the positioning cavity 211, preventing the hinge door plate from oxidizing and turning black during the welding process. The interchangeable jig 2 and the positioning base 1 adopt a split structure, and the corresponding type of interchangeable jig 2 can be replaced according to different types of hinge door plates during use, which is beneficial to reducing the equipment cost.

[0038] Further, the positioning base 1 includes a base body 11, a driving member 12 and a pressing block 13. The driving member 12 is installed on the base body 11 and is drivingly connected to the pressing block 13. The interchangeable jig 2 is arranged between the pressing block 13 and the base body 11, and the driving member 12 is used to drive the pressing block 13 to abut against or move away from the interchangeable jig 2.

[0039] As can be seen from the above description, the positioning base 1 fixes the interchangeable jig 2 in a clamping manner, which is simple to operate, and the interchangeable jig 2 is not prone to position deviation after being fixed.

[0040] Further, the positioning base 1 further includes a plurality of positioning blocks 14. The plurality of positioning blocks 14 are detachably connected to the base body 11, and the interchangeable jig 2 is arranged between at least two of the positioning blocks 14.

[0041] As can be seen from the above description, the positioning blocks 14 are used to limit the relative position between the interchangeable jig 2 and the positioning base 1, improving the positioning accuracy.

[0042] Further, a sealing member 15 is arranged on the positioning base 1, and the sealing member 15 surrounds the air storage groove 111.

[0043] As can be seen from the above description, the sealing member 15 is used to seal the assembly gap between the positioning base 1 and the interchangeable jig 2, preventing argon gas from leaking.

[0044] Further, the interchangeable jig 2 includes an upper die 21 and a lower die 22. A positioning pin 224 is arranged on the lower die 22, and a positioning hole 214 cooperating with the positioning pin 224 is arranged on the upper die 21. The upper die 21 and the lower die 22 enclose to form the positioning cavity 211.

[0045] As can be seen from the above description, the cooperation between the positioning pin 224 and the positioning hole 214 can accurately define the relative position between the upper die 21 and the lower die 22, thereby improving the position accuracy of the loose parts of the hinge door plate and enhancing the dimensional accuracy of the hinge door plate after welding and forming.

[0046] Furthermore, a magnetic member 23 is provided on the side of the upper die 21 close to the lower die 22, or a magnetic member 23 is provided on the side of the lower die 22 close to the upper die 21.

[0047] As can be seen from the above description, the magnetic member 23 causes the upper die 21 and the lower die 22 to have a moving tendency to approach each other, avoiding the displacement of the hinge door panel parts due to the accidental separation of the upper die 21 and the lower die 22.

[0048] Furthermore, a detachable first insert 212 is provided on the upper die 21, and a detachable second insert 221 is provided on the lower die 22. Both the first insert 212 and the second insert 221 are provided with pressing surfaces adapted to the surface of the hinge door panel.

[0049] As can be seen from the above description, both the first insert 212 and the second insert 221 are used to hold the hinge door panel parts, and the first insert 212 and the second insert 221 can be replaced with corresponding models according to different models of hinge door panels.

[0050] Furthermore, the interchange fixture 2 further includes a side push module 24. The side push module 24 is detachably connected to one side of the lower die 22. A third insert 241 is provided on the side push module 24, and the third insert 241 is provided with a pressing surface adapted to the surface of the hinge door panel.

[0051] As can be seen from the above description, the third insert 241 on the side push module 24 is used to hold the side of the hinge door panel parts, thereby defining the relative position of the hinge door panel parts and the interchange fixture 2 in the horizontal direction.

[0052] Furthermore, a first hook 242 is provided on the side push module 24, and a second hook 222 and an elastic member 223 are provided on the lower die 22. The second hook 222 is movable relative to the lower die 22, and the elastic member 223 abuts against the second hook 222 to drive the second hook 222 to move towards the first hook 242.

[0053] As can be seen from the above description, the engagement of the first hook 242 and the second hook 222 can define the relative position of the side push module 24 and the lower die 22; when it is necessary to move the third insert 241 away from the hinge door panel, only need to push the second hook 222 to make the second hook 222 disengage from the first hook 242, then the side push module 24 can be separated from the lower die 22.

[0054] Furthermore, a detachable fourth insert 213 is provided on the upper die 21, and the second ventilation hole 2131 is formed on the fourth insert 213.

[0055] As can be seen from the above description, by replacing different fourth inserts 213, the shape and size of the second vent hole 2131 can be changed.

[0056] Please refer to Figures 1 to 8 , Embodiment 1 of the present utility model is: A welding jig for a hinge door panel of a folding screen mobile phone, comprising: a positioning base 1 and an interchangeable jig 2; an air storage groove 111 and a first vent hole 112 are provided on the positioning base 1, and the first vent hole 112 communicates with the side wall of the positioning base 1 and the air storage groove 111; the interchangeable jig 2 is detachably installed on the positioning base 1 and closes the opening of the air storage groove 111 on the wall surface of the positioning base 1; a positioning cavity 211 and a second vent hole 2131 are provided on the interchangeable jig 2, and the second vent hole 2131 communicates with the positioning cavity 211 and the air storage groove 111. Specifically, the air storage groove 111 is provided on the top surface of the positioning base 1, and the air storage groove 111 is in the shape of a rounded rectangle. A quick trachea connector is provided at the opening of the side wall of the positioning base 1 where the second vent hole 2131 communicates.

[0057] The positioning base 1 includes a base body 11, a driving member 12 and a pressing block 13. The driving member 12 is installed on the base body 11 and is drivingly connected to the pressing block 13. The interchangeable jig 2 is disposed between the pressing block 13 and the base body 11. The driving member 12 is used to drive the pressing block 13 to abut against or move away from the interchangeable jig 2. Specifically, the base body 11 is in the shape of a rectangular frame. The number of pressing blocks 13 is two, and the two pressing blocks 13 are respectively used to press both ends of the interchangeable jig 2. The number of driving members 12 is set in one-to-one correspondence with the number of pressing blocks 13, and the driving members 12 are disposed inside the base body 11. In this embodiment, the driving member 12 is preferably a cylinder.

[0058] The interchangeable jig 2 includes an upper mold 21 and a lower mold 22. A positioning pin 224 is provided on the lower mold 22, and a positioning hole 214 that cooperates with the positioning pin 224 is provided on the upper mold 21. The upper mold 21 and the lower mold 22 enclose to form a positioning cavity 211. A detachable first insert 212 is provided on the upper mold 21, and a detachable second insert 221 is provided on the lower mold 22. Both the first insert 212 and the second insert 221 are provided with pressing surfaces adapted to the surface of the hinge door panel. Specifically, a first mounting hole is provided on the upper mold 21, and the first insert 212 is inserted into the first mounting hole. A second mounting hole is provided on the lower mold 22, and the second insert 221 is inserted into the second mounting hole. Moreover, a baffle is provided on the lower mold 22 for restricting the second insert 221 to prevent the second insert 221 from withdrawing from the second mounting hole. The surface of the upper mold 21 away from the lower mold 22 contacts the base body 11, and the surface of the lower mold 22 away from the upper mold 21 contacts the pressing block 13.

[0059] The positioning base 1 further includes a plurality of positioning blocks 14. The plurality of positioning blocks 14 are detachably connected to the base body 11, and the interchange fixture 2 is disposed between at least two positioning blocks 14. Specifically, the positioning blocks 14 are in the shape of a rectangular body. The positioning blocks 14 are connected to the base body 11 by screws. The number of the positioning blocks 14 is at least two, and the two positioning blocks 14 are respectively in contact with two adjacent side surfaces of the interchange fixture 2. In this embodiment, the number of the positioning blocks 14 is six, and the six positioning blocks 14 are evenly distributed around the circumference of the interchange fixture 2.

[0060] A seal 15 is provided on the positioning base 1, and the seal 15 is disposed around the air storage groove 111. Specifically, an annular clamping groove is provided on the outer circumference of the air storage groove 111, and the seal 15 is disposed in the annular clamping groove. The seal 15 is preferably a silica gel ring.

[0061] As a preferred embodiment, a magnetic member 23 is provided on the surface of the upper mold 21 close to the lower mold 22, and a magnetic member 23 is provided on the surface of the lower mold 22 close to the upper mold 21. The polar orientation of the magnetic member 23 on the upper mold 21 is the same as the polar orientation of the magnetic member 23 on the lower mold 22. The magnetic member 23 causes the upper mold 21 and the lower mold 22 to have a moving tendency to approach each other, preventing the hinge door panel from being scattered and displaced due to accidental separation of the upper mold 21 and the lower mold 22.

[0062] The interchange fixture 2 further includes a side push module 24. The side push module 24 is detachably connected to one side of the lower mold 22. A third insert 241 is provided on the side push module 24, and a pressing surface adapted to the surface of the hinge door panel is provided on the third insert 241. Specifically, the side push module 24 includes a mounting block and a stop block. An assembly hole is provided on the mounting block, the third insert 241 is disposed in the assembly hole, and the stop block is connected to the side of the mounting block away from the lower mold 22 by screws, and the stop block closes the opening of the assembly hole away from the lower mold 22.

[0063] A first hook 242 is provided on the side push module 24, and a second hook 222 and an elastic member 223 are provided on the lower mold 22. The second hook 222 is movable relative to the lower mold 22, and the elastic member 223 abuts against the second hook 222 to drive the second hook 222 to move in a direction close to the first hook 242. Specifically, the second hooks 222 are respectively provided at both ends of the lower mold 22, and the number of the first hooks 242 and the second hooks 222 are set in one-to-one correspondence.

[0064] A detachable fourth insert 213 is provided on the upper mold 21, and a second ventilation hole 2131 is opened on the fourth insert 213. Specifically, the fourth insert 213 is inserted into the upper mold 21.

[0065] In summary, the welding jig for the hinge door panel of the folding screen mobile phone provided by the present utility model uses the positioning cavities on the interchangeable jig to limit the loose parts to be welded, and uses the first ventilation holes, the container grooves and the second ventilation holes to enable an external gas supply device to convey argon gas into the positioning cavities, preventing the hinge door panel from oxidizing and turning black during the welding process. The interchangeable jig and the positioning base adopt a split structure, and the corresponding interchangeable jig can be replaced according to different models of hinge door panels during use, which is beneficial to reducing the equipment cost.

[0066] The above are only the embodiments of the present utility model, and do not limit the patent scope of the present utility model accordingly. Any equivalent transformation made by using the content of the specification and drawings of the present utility model, or directly or indirectly applied in the relevant technical fields, shall be equally included in the patent protection scope of the present utility model.

Claims

1. A welding jig for the hinge door panel of a folding screen mobile phone, characterized in that, Comprising: A positioning base and an interchangeable jig; an air storage groove and a first ventilation hole are formed on the positioning base, and the first ventilation hole communicates the side wall of the positioning base and the air storage groove; the interchangeable jig is detachably mounted on the positioning base and closes the opening of the air storage groove on the wall surface of the positioning base; a positioning cavity and a second ventilation hole are formed on the interchangeable jig, and the second ventilation hole communicates the positioning cavity and the air storage groove.

2. The welding jig for the hinge door panel of the foldable screen mobile phone according to claim 1, wherein: The positioning base includes a base body, a driving member and a pressing block, the driving member is mounted on the base body and is drivingly connected to the pressing block, the interchangeable jig is disposed between the pressing block and the base body, and the driving member is used to drive the pressing block to abut against or away from the interchangeable jig.

3. The welding jig for the hinge door panel of the foldable screen mobile phone according to claim 2, characterized in that: The positioning base further includes a plurality of positioning blocks, the plurality of positioning blocks are detachably connected to the base body, and the interchangeable jig is disposed between at least two of the positioning blocks.

4. The folding screen mobile phone hinge door panel welding fixture according to claim 1, wherein: A sealing member is provided on the positioning base, and the sealing member surrounds the air storage groove.

5. The welding fixture for the hinge door panel of the folding screen mobile phone according to claim 1, wherein: The interchangeable jig includes an upper mold and a lower mold, a positioning pin is provided on the lower mold, a positioning hole cooperating with the positioning pin is provided on the upper mold, and the upper mold and the lower mold enclose to form the positioning cavity.

6. The welding jig for the hinge door panel of the foldable screen mobile phone according to claim 5, characterized in that: A magnetic member is provided on the surface of the upper mold close to the lower mold, or a magnetic member is provided on the surface of the lower mold close to the upper mold.

7. The welding jig for the hinge door panel of the folding screen mobile phone according to claim 5, wherein: A detachable first insert is provided on the upper mold, a detachable second insert is provided on the lower mold, and both the first insert and the second insert are provided with pressing surfaces adapted to the surface of the hinge door panel.

8. The welding jig for the hinge door panel of the folding screen mobile phone according to claim 5, wherein: The interchangeable jig further includes a side push module, the side push module is detachably connected to one side of the lower mold, a third insert is provided on the side push module, and the third insert is provided with a pressing surface adapted to the surface of the hinge door panel.

9. The welding jig for the hinge door panel of the foldable screen mobile phone according to claim 8, wherein: A first hook is provided on the side push module, a second hook and an elastic member are provided on the lower mold, the second hook is movable relative to the lower mold, and the elastic member abuts against the second hook to drive the second hook to move towards the first hook.

10. The folding screen mobile phone hinge door panel welding jig according to claim 5, wherein: A detachable fourth insert is provided on the upper mold, and the second ventilation hole is formed on the fourth insert.

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