Efficient welding die for chip packaging

Abstract

The utility model discloses an efficient welding die for chip packaging, which relates to the technical field of welding dies and comprises a base station, two sliding grooves and two through grooves are formed in the top of the base station, the two through grooves are symmetrically formed in the two sides between the two sliding grooves, sliding blocks capable of sliding are arranged in the two sliding grooves and the two through grooves, and the sliding blocks are arranged in the two sliding grooves and the two through grooves. A mold positioning clamping seat is arranged at the top of the sliding block and is positioned at the top of the base table; a rotatable first two-way screw rod is arranged in the two sliding grooves, and the sliding blocks in the two sliding grooves are in threaded connection with the outer wall of the first two-way screw rod; a second two-way screw rod is arranged below the two through grooves, connecting seats fixedly connected with the bottom of the base table are arranged at the two ends of the second two-way screw rod, and the tops of the sliding blocks in the two through grooves extend to the position below the base table and are in threaded connection with the outer wall of the second two-way screw rod; the fixing device has positioning and fixing functions, is uniform in fixing force, is not easy to damage, and has a heat dissipation protection function.

Description

Technical Field

[0001] The utility model relates to the technical field of welding molds, in particular to a high-efficiency welding mold for chip packaging. Background Art

[0002] The shape of the mold determines the appearance of these products, and the processing quality and precision of the mold also determine the quality of these products;

[0003] Chinese invention patent CN201612016648.7 discloses a protective welding mold, including a positioning device and a protective device, the positioning device includes a base, a mold upper side bar, a mold lower side bar, a mold left side bar, a mold right side bar and a mold middle side bar, each side bar surrounds a battery fuse accommodating area, the left and right parts of the mold upper side bar and the mold lower side bar are symmetrically provided with long strip holes, bolts pass through the long strip holes to fix the mold upper side bar and the mold lower side bar to the two ends of the mold left side bar and the mold right side bar respectively, the mold middle side bar includes an upper side, a left side and a right side, a groove track is provided on the base, the upper side is slidably arranged along the groove track, a positioning piece is provided on the groove track, and magnetic strips are fixed on the mold left side bar, the mold right side bar and the mold middle side bar, and the protective device includes a protective cover movably connected to the mold upper side bar and the upper side, and the size of the protective cover is adapted to the size of the fuse chip;

[0004] However, when welding the chip, the center point of the PCB electronic board needs to be fixed by a welding mold. The welding mold in the above technology is not convenient for quickly finding the center point. In addition, the PCB board needs to be fixed by the mold during welding. The uneven force of the fixing method in the above technology can easily cause damage to the PCB board, resulting in material waste.

[0005] In addition, the temperature during welding is high, and the chip of the battery fuse has no protection measures. During the welding process, the chip may be affected by the temperature and its subsequent performance may be affected. Therefore, it is necessary to add a protective structure to the chip component. Summary of the invention

[0006] The utility model aims to provide a high-efficiency welding mold for chip packaging, which has positioning and fixing functions, and the fixing force is uniform and not easy to be damaged. At the same time, it has a heat dissipation protection function.

[0007] To achieve the above-mentioned objectives, the utility model provides the following technical solutions: a high-efficiency welding mold for chip packaging, comprising a base, wherein two slide grooves and two through grooves are provided on the top of the base, and the two through grooves are symmetrically arranged on both sides between the two slide grooves, and sliding sliders are provided in the two slide grooves and the two through grooves, and a mold positioning clamp is provided on the top of the slider, and the mold positioning clamp is located at the top of the base; a first bidirectional screw that can rotate is provided in the two slide grooves, and the sliders in the two slide grooves are threadedly connected to the outer wall of the first bidirectional screw; a second bidirectional screw is provided below the two through grooves, and connecting seats fixedly connected to the bottom of the base are provided at both ends of the second bidirectional screw, and the tops of the sliders in the two through grooves extend to the bottom of the base and are threadedly connected to the outer wall of the second bidirectional screw, and handles fixedly connected to the first bidirectional screw and the second bidirectional screw are respectively provided on the base and on the other side of the connecting seat.

[0008] In order to easily clamp and fix the welding plate, as a preferred embodiment of a high-efficiency welding mold for chip packaging of the utility model, the mold positioning clamp seat is an L-shaped structure, and the mold positioning clamp seat includes a horizontal plate and a longitudinal plate vertically arranged on the horizontal plate.

[0009] In order to support the welding plate, as a preferred embodiment of the utility model for a high-efficiency welding mold for chip packaging, a support plate is arranged on the top of the base, and the height of the support plate is the same as that of the horizontal plate.

[0010] In order to protect the welding plate, as a preferred embodiment of the utility model for a high-efficiency welding mold for chip packaging, rubber pads are arranged on the top of the support plate and the horizontal plate and on the side of the longitudinal plate facing the center of the base.

[0011] In order to achieve the heat dissipation function, as a preferred high-efficiency welding mold for chip packaging of the utility model, a wind cavity is opened inside the interlayer of the longitudinal plate, and an air outlet connected to the wind cavity is opened on the side of the longitudinal plate facing the center of the base, and a fan is arranged on the side of the longitudinal plate away from the air outlet, and the air outlet of the fan is connected to the wind cavity.

[0012] In order to facilitate the rotation of the base, as a preferred high-efficiency welding mold for chip packaging of the utility model, a base is arranged under the base, and a support platform fixedly connected to the bottom of the base is arranged on the second bidirectional screw, and a rotating platform is arranged at the bottom of the support platform, and the rotating platform is embedded in the top of the base.

[0013] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0014] The utility model drives the upper mold positioning clamp seat to move relatively by rotating the first bidirectional screw and the second bidirectional screw, the sliders in the two slide grooves and the sliders in the two through grooves, clamps and corrects the left and right sides of the welding plate, and pushes and clamps and corrects the front and rear sides of the welding plate, so that the welding plate can realize the function of center point positioning. At the same time, the four mold positioning clamp seats are located around the welding plate to realize the function of fixing the welding plate, and the fixing force is uniform, which is not easy to cause damage to the welding plate.

[0015] When the utility model is welding, the fan is started, cold air enters the wind cavity, and flows out from a plurality of air outlets, which is easy to dissipate heat for the welded welding plate, prevents the welding plate from being affected by temperature, ensures the subsequent use performance of the welding plate, and has a protective function. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a schematic diagram of the top view structure of the utility model;

[0017] Figure 2 This is a schematic diagram of the main structure of the utility model;

[0018] Figure 3 for Figure 1 Schematic diagram of the AA structure;

[0019] Figure 4 for Figure 2 The schematic diagram of the structure looking up from the middle BB direction;

[0020] Figure 5 for Figure 3 Enlarged structural diagram at point C in the middle.

[0021] In the figure: 1. base; 2. slide groove; 3. through groove; 4. mold positioning clamp; 5. slider; 6. first bidirectional screw; 7. second bidirectional screw; 8. connecting seat; 9. handle; 10. horizontal plate; 11. vertical plate; 12. support plate; 13. rubber pad; 14. air cavity; 15. air outlet; 16. fan; 17. base; 18. support platform; 19. rotating table. DETAILED DESCRIPTION

[0022] See also Figures 1 to 5A high-efficiency welding mold for chip packaging includes a base 1, two slide grooves 2 and two through grooves 3 are provided on the top of the base 1, the two through grooves 3 are symmetrically arranged on both sides between the two slide grooves 2, and sliding blocks 5 are provided in the two slide grooves 2 and the two through grooves 3. A mold positioning clamp 4 is provided on the top of the slider 5, and the mold positioning clamp 4 is located at the top of the base 1; a first bidirectional screw 6 that can rotate is provided in the two slide grooves 2, and the sliders 5 in the two slide grooves 2 are both threadedly connected to the outer wall of the first bidirectional screw 6; a second bidirectional screw 7 is provided below the two through grooves 3, and connecting seats 8 fixedly connected to the bottom of the base 1 are provided at both ends of the second bidirectional screw 7, the tops of the sliders 5 in the two through grooves 3 extend to the bottom of the base 1 and are threadedly connected to the outer wall of the second bidirectional screw 7, and handles 9 fixedly connected to the first bidirectional screw 6 and the second bidirectional screw 7 are respectively provided on the base 1 and on the other side of the connecting seat 8.

[0023] In this embodiment: the welding plate is placed on the base 1, and two hands simultaneously rotate the handles 9 at one end of the first bidirectional screw 6 and the second bidirectional screw 7 respectively. When the first bidirectional screw 6 rotates, the sliders 5 in the two slide grooves 2 synchronously drive the upper mold positioning clamp 4 to move relatively. When the second bidirectional screw 7 rotates, the sliders 5 in the two through grooves 3 drive the upper mold positioning clamp 4 to move relatively. The left and right mold positioning clamps 4 simultaneously clamp and correct the left and right sides of the welding plate, and the front and rear mold positioning clamps 4 simultaneously push and clamp and correct the front and rear sides of the welding plate, so that the welding plate can realize the function of center point positioning. At the same time, the four mold positioning clamps 4 are located around the welding plate to realize the function of fixing the welding plate.

[0024] As a technical optimization solution of the present invention, the mold positioning clamp seat 4 is in an L-shaped structure, and the mold positioning clamp seat 4 includes a horizontal plate 10 and a vertical plate 11 vertically arranged on the horizontal plate 10 .

[0025] In this embodiment, the mold positioning clamp 4 is in an L-shaped structure, the horizontal plate 10 supports the welding plate, and the vertical plate 11 positions and fixes the welding plate.

[0026] As a technical optimization solution of the utility model, a support plate 12 is arranged on the top of the base 1 , and the height of the support plate 12 is the same as that of the horizontal plate 10 .

[0027] In this embodiment: the welding plate is placed on the top of the support plate 12, and the support plate 12 supports the bottom edge of the welding plate, making it easy for the four mold positioning clamps 4 to clamp the welding plate in the center.

[0028] As a technical optimization solution of the present invention, rubber pads 13 are provided on the top of the support plate 12 and the transverse plate 10 and on the side of the longitudinal plate 11 facing the center of the base 1 .

[0029] In this embodiment, the rubber pad 13 has elastic properties and can protect the edge of the welding plate to avoid damage to the welding plate.

[0030] As a technical optimization solution of the utility model, an air cavity 14 is opened inside the interlayer of the longitudinal plate 11, and an air outlet 15 connected to the air cavity 14 is opened on the side of the longitudinal plate 11 facing the center of the base 1. A fan 16 is arranged on the side of the longitudinal plate 11 away from the air outlet 15, and the air outlet 15 of the fan 16 is connected to the air cavity 14.

[0031] In this embodiment: the fan 16 is started, cold air enters the air cavity 14, and flows out from the multiple air outlets 15, which is easy to dissipate heat for the welded welding plate, prevents the welding plate from being affected by temperature, ensures the subsequent performance of the welding plate, and has a protective function.

[0032] As a technical optimization solution of the utility model, a base 17 is arranged under the base 1, and a support platform 18 fixedly connected to the bottom of the base 1 is arranged on the second bidirectional screw 7. A rotating platform 19 is arranged at the bottom of the support platform 18, and the rotating platform 19 is embedded in the top of the base 17.

[0033] In this embodiment, the rotating table 19 can rotate on the base 17, so that the base 1 can further realize the rotation function, and it is easy to rotate the base 1 to weld the welding plate on the mold.

[0034] Working principle: first, place the welding plate on the top of the support plate 12, and the support plate 12 will support the bottom edge of the welding plate, and rotate the first bidirectional screw 6 and the second bidirectional screw 7 respectively. The sliders 5 in the two slide grooves 2 and the sliders 5 in the two through grooves 3 drive the upper mold positioning clamp 4 to move relatively, clamp and correct the left and right sides of the welding plate, and push and clamp and correct the front and rear sides of the welding plate, so that the welding plate can realize the function of center point positioning. At the same time, the four mold positioning clamps 4 are located around the welding plate to fix the welding plate, and the fixing force is uniform, which is not easy to cause damage to the welding plate; when welding, start the fan 16, and the cold air enters the air cavity 14 and flows out from multiple air outlets 15, which is easy to dissipate heat for the welded welding plate, prevent the welding plate from being affected by temperature and affecting its subsequent performance, and has a protective function.

[0035] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A high-efficiency welding mold for chip packaging, comprising a base (1), characterized in that: The top of the base (1) is provided with two slide grooves (2) and two through grooves (3), the two through grooves (3) are symmetrically arranged on both sides between the two slide grooves (2), the two slide grooves (2) and the two through grooves (3) are each provided with a sliding block (5), the top of the sliding block (5) is provided with a mold positioning clamp (4), and the mold positioning clamp (4) is located on the top of the base (1); the two slide grooves (2) are provided with a first bidirectional screw (6) that can rotate, and the sliding blocks (5) in the two slide grooves (2) are both rotatable with the mold positioning clamp (4). The outer wall of the first bidirectional screw (6) is threadedly connected; a second bidirectional screw (7) is arranged below the two through grooves (3); two ends of the second bidirectional screw (7) are provided with connecting seats (8) fixedly connected to the bottom of the base (1); the tops of the sliders (5) in the two through grooves (3) extend to the bottom of the base (1) and are threadedly connected to the outer wall of the second bidirectional screw (7); handles (9) fixedly connected to the first bidirectional screw (6) and the second bidirectional screw (7) are respectively arranged on the base (1) and on the other side of the connecting seat (8).

2. The high-efficiency welding mold for chip packaging according to claim 1, characterized in that: The mold positioning clamp seat (4) is in an L-shaped structure, and comprises a horizontal plate (10) and a vertical plate (11) vertically arranged on the horizontal plate (10).

3. The high-efficiency welding mold for chip packaging according to claim 2, characterized in that: A support plate (12) is provided on the top of the base (1), and the height of the support plate (12) is the same as the height of the horizontal plate (10).

4. The high-efficiency welding mold for chip packaging according to claim 3, characterized in that: Rubber pads (13) are provided on the tops of the support plate (12) and the transverse plate (10) and on the side of the longitudinal plate (11) facing the center of the base (1).

5. The high-efficiency welding mold for chip packaging according to claim 2, characterized in that: An air cavity (14) is provided inside the interlayer of the longitudinal plate (11); an air outlet (15) communicating with the air cavity (14) is provided on a side of the longitudinal plate (11) facing the center of the base (1); a fan (16) is provided on a side of the longitudinal plate (11) away from the air outlet (15); and the air outlet (15) of the fan (16) is communicated with the air cavity (14).

6. The high-efficiency welding mold for chip packaging according to claim 1, characterized in that: A base (17) is provided below the base (1), a support platform (18) fixedly connected to the bottom of the base (1) is provided on the second bidirectional screw (7), a rotating platform (19) is provided at the bottom of the support platform (18), and the rotating platform (19) is embedded in the top of the base (17).

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