TWI471082B - Nailing device for an electronic equipment housing and the nailing method thereof - Google Patents

Description

Electronic equipment shell nailing device and nailing method

The invention relates to a nailing device, in particular to an electronic device shell nailing device and a nailing method.

According to the outer casing of electronic equipment (such as notebook computers, desktop computers, mobile phones, liquid crystal displays, etc.), it is generally necessary to fix a plurality of nails with screw holes for other components ( As assembled on the board....etc.).

Referring to FIG. 1A, a state in which the nail member 12 is fixed on the first outer casing 11 is shown. After the nail member 12 is mainly disposed on the outer casing 11, the pressing member 13 is pressed against each of the nail members 12, and finally The housing 11 is coupled to the pressure plate 13 by laser processing, so that the nail members 12 are fixed to the outer casing 11. However, the method of nailing through the laser processing method is not only high in equipment cost but also needs to be cut. A pressure plate 13 causes the material cost to remain high.

Referring to FIG. 1B, a state in which the nail member 16 is fixed to the second outer casing 15 is shown. The plurality of screw holes 151 are directly disposed on the outer casing 15, and the nail member 16 is screwed to the screw hole 151. Each of the nail members 16 is fixed to the outer casing 15. However, the manner in which the nail members 16 are screwed by opening the screw holes 151 causes the head portions 161 and the body portions 162 of the nail members 16 to be respectively separated. It protrudes from both sides of the outer casing 15 and affects the appearance.

Referring to Fig. 1C, a state in which the nail member 19 is fixed to the third outer casing 18 is shown, which mainly takes a casing 18 having a considerable thickness, and is machined by milling. The nail member 19 is directly machined. However, such a method of forming the nail member 19 through the milling processing method not only has high equipment cost but also wastes materials.

Therefore, how to develop an electronic device casing nailing device, which can solve the above defects, is the motivation of the invention.

The object of the present invention is to provide an electronic device casing nailing device and a nailing method, which mainly implements a high current between the outer casing and the nail member to melt the contact portions of the two objects and integrate them into one body, thereby reducing equipment cost. Maintain aesthetics and avoid waste of materials.

In order to achieve the foregoing objective, an electronic device housing nailing device according to the present invention comprises: a machine having a top and a bottom located below the top; a pressing unit having a fixed a top cylinder, and a piston rod that is telescopically disposed in the cylinder, and the piston rod has a pressing portion outside the cylinder; a machining unit is fixed to the bottom and located at the bottom The lower part of the pressing unit comprises an insulating bottom plate, a middle plate, a first plate, a second plate, a plurality of connecting columns, a first conductive column, a second conductive column, an insulating top plate and a plurality of a spring, wherein: the insulating bottom plate is fixed to the bottom; the middle plate is disposed above the insulating bottom plate at a distance from the insulating bottom plate, and has a plurality of perforations, a first insulating hole, and a second insulation The first plate is disposed on the upper end surface of the insulating substrate; the second plate is disposed on the upper end surface of the insulating substrate and is not in conductive contact with the first plate; each of the connecting columns is reconfigurably In the middle plate and have one Perforations disposed in the connecting portion, a a first end portion connecting the one end of the connecting portion and abutting or away from the lower end surface of the middle plate, and a second end portion connecting the other end of the connecting portion; the first conductive post has an insulation penetrating the first end a first pillar portion of the insulating hole, a first bottom portion connected to one end of the first pillar portion and electrically conductively disposed on the first pole plate, and a first top portion connecting the other end of the first pillar portion, and the first The top portion has a first groove provided with a nail member; the second conductive column has a second column portion insulatedly disposed in the second insulating hole, and one end connected to the second column portion and electrically disposed on the second column portion a second bottom of the second plate, and a second top connected to the other end of the second column, and the second top has a second groove provided with a nail member; the insulating top plate is disposed on each of the Connecting the upper end of the second end of the column, and having a top surface provided for the outer casing and corresponding to the pressing portion of the unit, a first through hole penetrating the top surface and insulatingly sleeved on the first top portion, And a second through hole penetrating the top surface and insulatingly sleeved on the second top portion; each of the springs, respectively a connecting portion disposed on the connecting post, and having a first abutting portion against the end surface of the middle plate and a second abutting portion abutting against the lower end surface of the insulating top plate; accordingly, in the normal state, the insulating top plate The top surface is away from the first and second grooves of the first and second conductive columns, so that the outer casing disposed on the top surface does not contact the nail members disposed on the first and second grooves, and the pressing portion of the pressing unit When the housing is pressed downward, the outer casing disposed on the top surface is brought into contact with the nail members disposed on the first and second grooves, so that the outer casing and the nail member are integrally joined.

Preferably, a four-steel column is locked between the insulating bottom plate and the middle plate, so that the middle plate is at a distance from the insulating bottom plate.

Preferably, a linear bearing is disposed between each of the connecting column body and the through hole of the middle plate to limit the distance of displacement of each connecting column.

Preferably, a first insulating sleeve is disposed between the first pillar portion of the first conductive pillar and the first insulating hole of the middle plate, and the second pillar portion of the second conductive pillar is insulated from the second insulating plate A second insulating sleeve is disposed between the holes.

Preferably, a third insulating sleeve is disposed between the first through hole of the insulating top plate and the first top of the first conductive pillar, and the second through hole of the insulating top plate and the second top of the second conductive column There is a fourth insulating sleeve between the two.

Preferably, the number of the connecting columns is four.

Preferably, the lower surface of the insulating top plate is locked with a metal plate to increase the structural strength of the insulating top plate.

Preferably, the insulating top plate further has four limiting members protruding from the top surface, and the four limiting members enclose a receiving area for the outer casing.

Preferably, the nail member comprises a body disposed in the first and second grooves of the first and second conductive columns, and a head connecting the body and abutting against the groove of the first and second grooves. unit.

In addition, the method for nailing a nail device of an electronic device according to the present invention comprises: (A) a step of setting a nail member, the body of the nail member being placed in the first and second concave portions of the first and second conductive columns a groove, and the head of the nail member abuts against the first and second groove groove edges; (B) the outer casing setting step, placing the outer casing on the top surface of the insulating top plate; (C) pre-pressing step, controlling The pressing unit is actuated downwardly to press the pressing portion against the outer casing, so that the outer casing disposed on the top surface is disposed at the first The two-groove nail head contact; (D) the energization melting step, the first plate is connected to the positive pole of the DC power source, and is applied with a low voltage and high current, and the second plate is connected to the negative pole of the DC power source. And applying a low voltage and a high current, so that the outer casing and the nail head contact a low voltage and a high current, so that the outer casing and the nail member are integrally integrated; (E) the power off the molding step, The DC power supply section is electrically controlled, and the pressing unit is controlled to move upward to press the pressing portion away from the outer casing. The processing unit drives the outer casing and the nail member to move upward to disengage the nail member from the first and second conductive columns.

The present invention has been described in connection with the preferred embodiments of the present invention in accordance with the accompanying drawings.

Referring to Figures 2, 3, 4, 5A, and 5B, an apparatus for nailing an outer casing of an electronic device according to an embodiment of the present invention is mainly composed of a machine table 20, a pressing unit 30, and a processing unit A. Therefore, a high current is applied between the outer casing 91 and the nail member 92 to melt the two parts contact portions, and the machine table 20 has a top portion 21 and a bottom portion 22 below the top portion 21.

The pressing unit 30 has two cylinders 31 fixed to the top portion 21 and two piston rods 32 which are disposed in the cylinder block 31 so as to be telescopically movable toward the bottom portion 22, and the piston rod 32 has a a pressing portion 33 outside the cylinder block 31.

The processing unit A is fixed to the bottom portion 22 and located below the pressing unit 30, and includes an insulating bottom plate 41, an intermediate plate 43, a first plate 51, a second plate 52, and four connecting columns. 60, a first conductive column 71, a second conductive column 72. An insulating top plate 45 and a four spring 80, wherein the insulating bottom plate 41 is fixed to the bottom portion 22 of the machine table 20 by screws 411.

The intermediate plate 43 is disposed above the insulating bottom plate 41 at a distance from the insulating bottom plate 41, and has a plurality of through holes 431, a first insulating hole 432, and a second insulating hole 433. In this embodiment, A four-steel column 435 is locked between the middle plate 43 and the insulating bottom plate 41 via a screw 434, so that the intermediate plate 43 is spaced apart from the insulating bottom plate 41, and the intermediate plate 43 is assembled with the insulating bottom plate 41. Structural strength.

The first plate 51 is locked to the upper end surface of the insulating bottom plate 41 by a screw 511, and an insulating sleeve 512 is disposed between the first plate 51 and the screw 511 to avoid the first plate 51 and the first plate 51. The machine table 20 is electrically connected, and the first plate 51 is connected to the positive electrode of the DC power source.

The second electrode plate 52 is locked to the upper end surface of the insulating bottom plate 41 via the screw 521 and is not in conductive contact with the first electrode plate 51. In addition, an insulating sleeve is disposed between the second electrode plate 52 and the screw 521. 522, to avoid the second plate 52 and the machine 20 is electrically conductive, the second plate 52 is connected to the negative pole of the DC power supply.

Each of the connecting posts 60 is removably disposed in the middle plate 43 and has a connecting portion 61 disposed on the through hole 431, a connecting end of the connecting portion 61 and abutting or away from the lower end surface of the intermediate plate 43. a first end portion 62, a second end portion 63 connecting the other end of the connecting portion 61. In this embodiment, a linear bearing 64 is disposed between each of the connecting portion 61 and the through hole 431 of the middle plate 43 to limit each The connecting post 60 The distance of the longitudinal displacement, since the linear bearing 64 is a conventional member, its operation mode and its function will not be described again.

The first conductive pillar 71 has a first pillar portion 711 that is insulatively inserted into the first insulating hole 432, and a first portion that is connected to one end of the first pillar portion 711 and is electrically disposed on the first pole plate 51. a bottom portion 712, and a first top portion 713 connected to the other end of the first column portion 711, and the first top portion 713 has a first groove 714 provided with a nail member 92. In this embodiment, the first column portion A first insulating sleeve 715 is disposed between the 711 and the first insulating hole 432 of the middle plate 43 to make the first conductive post 71 and the middle plate 43 in an insulating configuration, and the first bottom portion 712 is transmitted through the screw 716. The first electrode plate 51 is locked to the first plate 51. The nail member 92 includes a body 921 disposed in the first groove 714, and a body 921 connected thereto and abutting against the groove of the first groove 714. The head 922 has a fused portion 923 that is in contact with the outer casing 91.

The second conductive post 72 has a second post portion 721 that is insulatively inserted into the second insulating hole 433, a second portion that is connected to one end of the second post portion 721 and is electrically disposed on the second plate 52. a bottom portion 722, and a second top portion 723 connected to the other end of the second column portion 721, and the second top portion 723 has a second recess 724 provided by the nail member 92. In this embodiment, the second column portion A second insulating sleeve 725 is disposed between the 72 and the second insulating hole 433 of the intermediate plate 43 to make the second conductive post 72 and the intermediate plate 43 in an insulating configuration, and the second bottom portion 722 is transmitted through the screw 726. The second member 52 is locked to the second plate 52. The nail member 92 also includes a body 921 disposed in the second recess 724. The second groove 724 has a head portion 922 of the groove edge, and the head portion 922 has a fused portion 923 which is in contact with the outer casing 91.

The insulating top plate 45 is disposed at an upper end of the second end portion 63 of each of the connecting posts 60, and has a top surface 451 disposed for the outer casing 91 and corresponding to the pressing portion 33 of the unit 30, and a top surface 451 is penetrated through the top surface 451. And a first through hole 452 of the first top portion 713 of the first conductive pillar 71 and a first through hole 451 penetrating the top surface 451 and insulatingly sleeved on the second top portion 723 of the second conductive pillar 72 The second through hole 453 is disposed between the first through hole 452 and the first top portion 713 of the first conductive pillar 71. The third insulating sleeve 454 is disposed to the insulating top plate 45 and the first conductive pillar. 71 is in an insulated configuration, and a fourth insulating sleeve 455 is disposed between the second through hole 453 and the second top portion 723 of the second conductive post 72, so that the insulating top plate 45 and the second conductive post 72 are insulated. In addition, the lower end surface of the insulating top plate 45 is locked with a metal plate 47 by screws 456 to increase the structural strength of the insulating top plate 45. Finally, the insulating top plate 45 further has four limits protruding from the top surface 451. In the piece 457, the four limiting member 457 encloses a receiving area for the outer casing 91.

Each of the springs 80 is a compression spring that is sleeved on the connecting portion 61 of the connecting post 60 and has a first abutting portion 81 against the upper end surface of the intermediate plate 43 and a lower end surface of the metal plate 47. The second abutment portion 82.

Accordingly, in the normal state, the top surface 451 of the insulating top plate 45 is away from the first and second recesses 714, 724 of the first and second conductive posts 71, 72, so that the outer casing 91 disposed on the top surface 451 is disposed The first and second grooves 714, 724 of the nail 92 When not in contact, when the pressing portion 33 of the pressing unit 30 is pressed against the outer casing 91, the outer casing 91 disposed on the top surface 451 and the nail member 92 disposed on the first and second grooves 714, 724 are brought into contact with each other. In contact, the outer casing 91 is integrally joined to the nail member 92.

The above description is the structure and configuration description of each main component of the embodiment of the present invention. The mode of operation and efficacy of the present invention are described below.

Referring to FIG. 8 , the present invention provides an electronic device housing nailing device, the nailing method mainly comprises: (A) nail setting step, (B) housing setting step, (C) pre-pressing step, (D) And the (E) nail setting step of placing the body 921 of the nail member 92 on the first and second conductive columns 71. The first and second recesses 714, 724 of the 72, and the head 922 of the nail member 92 abut against the groove edges of the first and second recesses 714, 724. The state is as shown in Figs. 5A and 5B.

In the (B) housing setting step, the housing 91 is placed on the top surface 451 of the insulating top plate 45. It should be noted that, at this time, the electronic device housing nailing device is in an unactuated state, and therefore, the connection is The first end portion 62 of the post 60 abuts against the lower end surface of the middle plate 43 to restrict the upward displacement of the insulating top plate 45 by the springs 80, and at the same time, the outer casing 91 disposed on the top surface 451 is disposed at the same The nail members 92 of the first and second grooves 714, 724 are not in contact. The state is as shown in Figs. 5A and 5B.

The (C) pre-pressing step controls the pressing unit 30 to move downward to make the pressing portion 33 is pressed against the outer casing 91 to be displaced downward, and the outer casing 91 disposed on the top surface 451 of the insulating top plate 45 is in contact with the head portion 922 of the nail member 92 disposed on the first and second recesses 714, 724. When the pressing portion 33 of the pressing unit 30 is pressed downwardly against the outer casing 91, the insulating top plate 45, the metal plate 47 locked under the insulating top plate 45, and each of the connecting posts 60 are simultaneously displaced downward. At this time, the first end portion 62 of each of the connecting posts 60 is separated from the lower end surface of the intermediate plate 43, and the insulating top plate 45 and the metal plate 47 are pressed against the springs 80 to accumulate an elastic restoring force.

(D) energizing and melting step, the first plate 51 is connected to the positive pole of the direct current power source, and is applied with a low voltage and high current. The second plate 52 is connected to the negative pole of the direct current power source and is applied with a low voltage. a current, so that the outer casing 91 and the head 92 of the nail member 92 are circulated with a low voltage and a high current, so that the outer casing 91 is fused with the fused portion 923 of the head portion 922 of the nail member 92; When the outer casing 91 is in contact with each of the nail members 92, a low voltage and a high current flow, the DC power source flows through the first electrode plate 51, the first conductive column 71, the nail member 92 disposed on the first conductive column 71, The outer casing 91, the nail member 92 disposed on the second conductive post 72, the second conductive post 72, and the second electrode plate 52 are short-circuited to generate high heat, and finally the outer casing 91 and the respective nail members 92 are melted. The outer casing 91 is integrated with each other, and when the outer casing 91 is fused with the respective nail members 92, the pressing unit 30 maintains the state in which the outer casing 91 is pressed downward. The state is as shown in Figs. 6A and 6B.

The (E) power-off is separated from the molding step, the DC power source is powered off, and the pressing unit 30 is controlled to be moved upward to press the pressing portion 33 away from the housing 91. When the insulating top plate 45 and the metal plate 47 of the processing unit A are subjected to the elastic restoring force of the spring 80, the outer casing 91 and the nail member 92 are displaced upward, so that the nail member 92 is separated from the first and second conductive columns 71, 72, thereby completing the nailing operation of the outer casing 91. The state is as shown in Figs. 7A and 7B.

Accordingly, the electronic device housing nailing device of the present invention is mainly composed of a machine table 20, a pressing unit 30, and a processing unit A, thereby implementing a high current between the outer casing 91 and the nail member 92. The contact points of the two objects are melted and integrated into each other. Since the electronic device outer casing nailing device has a simple structure and directly takes a casing 91 and directly integrates with a plurality of nail members 92, the outer casing 91 and the outer casing 91 are simultaneously After the nail members 92 are integrated with each other, the nail members 92 do not protrude from both sides of the outer casing 91 at the same time, thereby reducing the equipment cost, maintaining the appearance of the outer casing 91 after nailing, and avoiding waste of materials.

In the above, the above embodiments and the illustrations are only the preferred embodiments of the present invention, and the scope of the present invention is not limited thereto, that is, the equal variations and modifications made by the scope of the patent application of the present invention are It should be within the scope of the patent of the present invention.

"Knowledge"

11‧‧‧Shell

12‧‧‧ nails

13‧‧‧Plate

15‧‧‧Shell

151‧‧‧ screw holes

16‧‧‧Nail pieces

161‧‧‧ head

162‧‧‧ Body

18‧‧‧Shell

19‧‧‧ nails

"this invention"

20‧‧‧ machine

21‧‧‧ top

22‧‧‧ bottom

30‧‧‧Fisting unit

31‧‧‧Cylinder

32‧‧‧ piston rod

33‧‧‧ Pressure Department

A‧‧‧Processing unit

41‧‧‧Insulation floor

411‧‧‧ screws

43‧‧‧ Medium board

431‧‧‧Perforation

432‧‧‧first insulated hole

433‧‧‧Second insulation hole

434‧‧‧ screws

435‧‧‧ steel column

45‧‧‧Insulated roof

451‧‧‧ top surface

452‧‧‧ first through hole

453‧‧‧Second through hole

454‧‧‧ third insulating sleeve

455‧‧‧fourth insulation sleeve

456‧‧‧ screws

457‧‧‧Limited parts

47‧‧‧Metal plates

51‧‧‧First plate

511‧‧‧ screws

512‧‧‧Insulating sleeve

52‧‧‧Second plate

521‧‧‧ screws

522‧‧‧Insulating sleeve

60‧‧‧Connecting column

61‧‧‧Connecting Department

62‧‧‧First end

63‧‧‧second end

64‧‧‧Linear bearings

71‧‧‧First conductive column

711‧‧‧First column

712‧‧‧ first bottom

713‧‧‧ first top

714‧‧‧first groove

715‧‧‧First insulating sleeve

716‧‧‧screw

72‧‧‧Second conductive column

721‧‧‧Second column

722‧‧‧ second bottom

723‧‧‧ second top

724‧‧‧second groove

725‧‧‧Second insulation sleeve

726‧‧‧ screws

80‧‧‧ Spring

81‧‧‧ first arrival

82‧‧‧ second arrival

91‧‧‧Shell

92‧‧‧nails

921‧‧‧ Body

922‧‧‧ head

923‧‧‧Solution Department

Figure 1A is a schematic view of a first type of housing with a staple member attached thereto.

Fig. 1B is a schematic view showing the attachment of a nail member to the second outer casing.

Figure 1C is a schematic view of a third type of housing with a nail member attached thereto.

Figure 2 is a perspective view of the present invention.

Figure 3 is a side view of the invention.

Figure 4 is a top view of the present invention showing the top view of the processing unit.

Figure 5A is a cross-sectional view of the present invention showing the cross-sectional state of the processing unit.

Fig. 5B is a partial enlarged view of Fig. 5A.

Fig. 6A is a cross-sectional view of the present invention, showing a state in which the pressing portion of the pressing unit is pressed against the outer casing.

Fig. 6B is a partial enlarged view of Fig. 6A.

Fig. 7A is a cross-sectional view of the present invention showing the state after completion of the nailing operation of the outer casing.

Fig. 7B is a partial enlarged view of Fig. 7A.

Figure 8 is a flow chart of the manufacturing method of the present invention.

20‧‧‧ machine

21‧‧‧ top

22‧‧‧ bottom

30‧‧‧Fisting unit

31‧‧‧Cylinder

32‧‧‧ piston rod

33‧‧‧ Pressure Department

A‧‧‧Processing unit

41‧‧‧Insulation floor

43‧‧‧ Medium board

435‧‧‧ steel column

45‧‧‧Insulated roof

47‧‧‧Metal plates

51‧‧‧First plate

52‧‧‧Second plate

71‧‧‧First conductive column

72‧‧‧Second conductive column

80‧‧‧ Spring

Claims (10)

An electronic device housing nailing device comprises: a machine having a top and a bottom located below the top; a pressing unit having a cylinder fixed to the top and a telescopic movement toward the bottom a piston rod disposed in the cylinder, the piston rod having a pressing portion outside the cylinder; a processing unit fixed to the bottom and located below the pressing unit, and comprising an insulating bottom plate a middle plate, a first plate, a second plate, a plurality of connecting columns, a first conductive column, a second conductive column, an insulating top plate and a plurality of springs, wherein: the insulating bottom plate is fixed at the bottom; The intermediate plate is disposed above the insulating bottom plate at a distance from the insulating bottom plate, and has a plurality of through holes, a first insulating hole, and a second insulating hole; the first plate is disposed on the insulating bottom plate An end plate; the second plate is disposed on the upper end surface of the insulating substrate and is not in conductive contact with the first plate; each of the connecting posts is reconfigurably disposed on the middle plate and has a through hole a connecting portion, one end of the connecting portion and a first end portion of the lower end surface of the middle plate, and a second end portion connecting the other end of the connecting portion; the first conductive post has a first column portion insulatedly inserted through the first insulating hole a first bottom portion connected to the first pillar portion and electrically disposed on the first bottom plate, and a first top portion connecting the other end of the first pillar portion, and the first top portion The first top portion has a first groove provided with a nail member; the second conductive column has a second column portion insulatedly inserted through the second insulating hole, and one end connected to the second column portion and electrically conductively a second bottom portion disposed on the second pole plate, and a second top portion connected to the other end of the second pillar portion, and the second top portion has a second groove provided with a nail member; the insulating top plate is disposed on An upper end of the second end of each of the connecting posts, and having a top surface provided for the outer casing and corresponding to the pressing portion of the unit, a first through the top surface and insulatedly sleeved on the first top a hole, and a second through hole penetrating the top surface and insulatingly sleeved on the second top portion; each of the springs is sleeved on the connecting portion of the connecting post and has a bottom surface opposite to the middle plate a first abutting portion and a second abutting portion against the lower end surface of the insulating top plate; accordingly, in a normal state, a top surface of the insulating top plate is away from the first and second grooves of the first and second conductive columns, so as to be set The outer casing of the top surface is not in contact with the nail members disposed in the first and second grooves, when the pressing portion of the pressing unit When the housing against downward displacement that is provided on the top surface of the housing and disposed in contact with a first, staple member two recesses, so that the housing is integrally connected with the melting staple member. The electronic device casing nailing device according to claim 1, wherein the insulating plate and the middle plate are locked with four steel columns, so that the middle plate and the insulating bottom plate are at a distance. The electronic device casing nailing device according to claim 1, wherein a linear bearing is disposed between the connecting column body and the through hole of the middle plate. To limit the distance of displacement of each of the connecting columns. The electronic device housing nailing device of claim 1, wherein a first insulating sleeve is disposed between the first post portion of the first conductive post and the first insulating hole of the middle plate, the second conductive A second insulating sleeve is disposed between the second column portion of the column and the second insulating hole of the middle plate. The electronic device housing nailing device according to claim 1, wherein a third insulating sleeve is disposed between the first through hole of the insulating top plate and the first top of the first conductive column, and the insulating top plate is A fourth insulating sleeve is disposed between the two through holes and the second top of the second conductive post. The electronic device housing nailing device of claim 1, wherein the number of the connecting posts is four. The electronic device casing nailing device according to claim 1, wherein the lower surface of the insulating top plate is locked with a metal plate to increase the structural strength of the insulating top plate. The electronic device housing nailing device of claim 1, wherein the insulating top plate further has four limiting members protruding from the top surface, and the four limiting members enclose a receiving material for the outer casing. Area. The electronic device casing nailing device of claim 1, wherein the nail member comprises a body disposed in the first and second grooves of the first and second conductive columns, and a body connected to the body Relying on the head of the first and second groove slots. A method for nailing an outer casing nailing device of an electronic device according to claim 1, comprising: (A) a nail setting step of placing the body of the nail member on the first and second grooves of the first and second conductive posts, and causing the head of the nail member to abut against the first and second grooves (B) a housing setting step of placing the outer casing on a top surface of the insulating top plate; (C) a pre-pressing step of controlling the pressing unit to be moved downward to cause the pressing portion to be pressed downwardly toward the outer casing, Having the outer casing disposed on the top surface in contact with the head of the nail disposed on the first and second grooves; (D) the step of energizing and melting, the first plate is connected to the positive pole of the direct current power source, and is applied with a low The voltage is high, the second plate is connected to the negative pole of the DC power supply, and a low voltage and a high current are applied, so that the outer casing and the nail head contact a low voltage and a high current, so that the outer casing and the nail member (E) power off the molding step, the DC power supply section is electrically controlled, and the pressing unit is controlled to move upward to press the pressing portion away from the outer casing, and the processing unit drives the outer casing and the nail member upward Displacement causes the nail member to detach from the first and second conductive posts.