Auxiliary clamping device for chip pin welding

Abstract

The utility model relates to the technical field of semiconductor chip production, in particular to an auxiliary clamping device for chip pin welding, which comprises a mounting seat, a supporting strip, a limiting block, a screw rod, a connecting plate, a guide rod, clamping equipment and a piece taking device, the supporting strip is fixedly arranged on the inner side of the bottom of the mounting seat, the limiting block is clamped on the inner side of the mounting seat, and the screw rod is arranged on the connecting plate. The screw rod is fixedly arranged at one end of the limiting block, the connecting plates are fixedly arranged at the two ends of one side of the mounting base, the guide rods are fixedly arranged on the inner sides of the connecting plates, the clamping equipment is arranged outside the guide rods in a sleeving mode, and the part taking device is arranged on the inner sides of the supporting strips in a clamped mode. According to the auxiliary clamping device for chip pin welding, the pins are arranged and then effectively fixed, the end portions of the pins are made to slide to the chip connecting areas through effective guiding, the end portions of the pins correspond to the chip connecting areas in a one-to-one mode, welding work is facilitated, in the process, the problem that workers are difficult to weld due to shaking of the hands of the workers is effectively solved, and the working efficiency is improved. The processing quality is ensured.

Description

TECHNICAL FIELD

[0001] The utility model relates to a semiconductor chip production technical field especially relates to a chip pin welding auxiliary clamping device. BACKGROUND

[0002] Pin is the wiring from the internal circuit of integrated circuit to the peripheral circuit, and all the pins constitute the interface of the chip. The end of the lead wire is connected to the solder pad on the printed board through soft soldering to form a solder joint.

[0003] The connection between the pin and the chip is connected by welding. Because the welding area is compact, the solder joints are dense and arranged in order, it is very difficult to stably weld the pin. Therefore, during the connection of the pin and the chip, the pin needs to be stably clamped and arranged in order to correspond to the welding area. After welding, the pin and the chip need to be easily taken out. Therefore, a stable and effective clamping mechanism is needed for the pin. SUMMARY

[0004] The utility model provides a chip pin welding auxiliary clamping device in view of the defects in the prior art.

[0005] The utility model is realized through the following technical schemes:

[0006] A chip pin welding auxiliary clamping device, comprising a mounting seat, a support strip, a limiting block, a screw rod, a connecting plate, a guide rod, a clamping device and a taking device, the support strip is fixedly arranged on the inner side of the bottom of the mounting seat, the limiting block is clamped on the inner side of the mounting seat, the screw rod is fixedly arranged on one end of the limiting block, the connecting plate is fixedly arranged on both ends of one side of the mounting seat, the guide rod is fixedly arranged on the inner side of the connecting plate, the clamping device is sleeved on the outer side of the guide rod, and the taking device is clamped on the inner side of the support strip.

[0007] In a preferred embodiment of the utility model, the taking device comprises an adjusting seat, a clamping shaft and a pry plate, the adjusting seat is clamped on the inner side of the support strip, the clamping shaft is fixedly arranged on the inner side of one end of the adjusting seat, and the pry plate is sleeved on the surface of the clamping shaft.

[0008] The taking device is mainly used for taking out the chip clamped in the mounting seat. After the pry plate is moved to the bottom of the chip, the chip can be pried out by rotating the pry plate around the clamping shaft, so that the taking device is convenient for fast taking.

[0009] In the preferable embodiment of the utility model, the pry board one end is equipped with the clamping hole that cooperates with the clamping shaft, the pry board upper surface is lower than the support strip upper surface, the pry board end away from the clamping shaft is fixedly provided with the pull plate that presents the upward arching,

[0010] The pull plate that the pry board end presents the upward arching is convenient for operation, the adjusting seat that is clamped in the support strip inside can slide in the clamping groove in the support strip inside, to change the position of the taking device.

[0011] In the preferable embodiment of the utility model, the moving plate bottom is provided with a guide strip, and the sliding seat upper surface is provided with a guide groove matched with the guide strip;

[0012] The guide strip at the moving plate bottom is clamped in the guide groove on the sliding seat upper surface, so that the pin is controlled to move to the welding area during the welding process.

[0013] In the preferable embodiment of the utility model, the sleeve and the connecting strip are made of rubber material, the sleeve top is provided with a separation groove, and the pressing plate bottom is provided with a pressing strip matched with the sleeve top separation groove;

[0014] The sleeve made of rubber material is convenient for the pin insertion and clamping of the pin through the elasticity thereof, the connecting strip made of rubber material is mainly convenient for the finger sleeve to operate the pressing plate, and the bottom pressing strip can effectively press the pin during the welding process, so that the displacement of the pin is avoided.

[0015] In the preferable embodiment of the utility model, one end of the screw rod penetrates and extends to the outside of one side of the mounting seat, the side surface of the mounting seat is provided with a waist-shaped hole matched with the screw rod, and the surface of the screw rod is provided with a locking nut.

[0016] The utility model discloses the beneficial effects are:

[0017] The chip pin welding auxiliary clamping device effectively fixes the pins after arranging, and effectively guides the end of the pin to slide to the chip connecting area, so that the end of the pin and the chip connecting area are one-to-one corresponding, thereby facilitating the welding work. In this process, the problem that workers are difficult to weld caused by hand shaking of workers is effectively avoided, and the processing quality is ensured. ACCURACY OF DRAWINGS

[0018] Figure 1 It is the three-dimensional structure schematic view of the chip pin welding auxiliary clamping device of the utility model;

[0019] Figure 2 It is the overhead structure schematic view of the chip pin welding auxiliary clamping device of the utility model;

[0020] Figure 3 It is the mounting seat structure schematic view of the chip pin welding auxiliary clamping device of the utility model;

[0021] Figure 4 It is the clamping equipment structure schematic view of the chip pin welding auxiliary clamping device of the utility model.

[0022] Figure 5 It is the taking device structure schematic view of the chip pin welding auxiliary clamping device of the utility model.

[0023] In the drawing: 1, mounting seat; 2, support strip; 3, limiting block; 4, screw; 5, connecting plate; 6, guide rod; 7, clamping equipment; 71, sliding sleeve; 72, sliding seat; 73, moving plate; 74, clamping sleeve; 75, connecting strip; 76, pressing plate; 77, finger sleeve; 8, taking device; 81, adjusting seat; 82, clamping shaft; 83, pry plate. DETAILED DESCRIPTION

[0024] The preferred embodiments of the utility model are described in detail below with reference to the drawings, so that the advantages and features of the utility model can be more easily understood by the person skilled in the art, and the protection scope of the utility model is more clearly and explicitly defined. The directions mentioned in the utility model, such as "up", "down", "front", "back", "left", "right", "top" and "bottom", are only the directions of the attached drawings. Therefore, the directional terms used are used to explain and understand the utility model, not to limit the utility model.

[0025] As Figures 1-5 shown in a kind of chip pin welding auxiliary clamping device, including mounting seat 1, support strip 2, limiting block 3, screw 4, connecting plate 5, guide rod 6, clamping equipment 7 and taking device 8, support strip 2 is fixedly arranged in the bottom inner side of mounting seat 1, limiting block 3 is clamped in the inner side of mounting seat 1, screw 4 is fixedly arranged in limiting block 3 one end, connecting plate 5 is fixedly arranged in the both ends of one side of mounting seat 1, guide rod 6 is fixedly arranged in the inner side of connecting plate 5, clamping equipment 7 is sleeved in the outside of guide rod 6, taking device 8 is clamped in the inner side of support strip 2, clamping equipment 7 includes sliding sleeve 71, sliding seat 72, moving plate 73, clamping sleeve 74, connecting strip 75, pressing plate 76 and finger sleeve 77, sliding sleeve 71 is sleeved in the outside of guide rod 6, sliding seat 72 is fixedly arranged in the outside of sliding sleeve 71, moving plate 73 is clamped in the top of sliding seat 72, clamping sleeve 74 is fixedly arranged on the upper surface of moving plate 73, connecting strip 75 is fixedly arranged in the tail end of moving plate 73, pressing plate 76 is fixed with the other end of connecting strip 75, finger sleeve 77 is arranged in the top of pressing plate 76.

[0026] Specifically, the taking device 8 comprises an adjusting seat 81, a clamping shaft 82 and a pry plate 83, the adjusting seat 81 is clamped on the inner side of the support strip 2, the clamping shaft 82 is fixedly arranged on the inner side of one end of the adjusting seat 81, the pry plate 83 is sleeved on the surface of the clamping shaft 82, a clamping hole matched with the clamping shaft 82 is formed in one end of the pry plate 83, the upper surface of the pry plate 83 is lower than the upper surface of the support strip 2, a pulling plate upwardly tilted is fixedly arranged on the end of the pry plate 83 away from the clamping shaft 82, a guide strip is arranged on the bottom of the moving plate 73, a guide groove matched with the guide strip is formed in the upper surface of the sliding seat 72, the clamping sleeve 74 and the connecting strip 75 are made of rubber, a separation groove is formed in the top of the clamping sleeve 74, a pressing strip matched with the separation groove in the top of the clamping sleeve 74 is arranged on the bottom of the pressing plate 76, one end of the screw 4 penetrates through and extends to the outside of one side of the mounting seat 1, a waist-shaped hole matched with the screw 4 is formed in the side of the mounting seat 1, and a locking nut is arranged on the surface of the screw 4.

[0027] In the embodiment, first, the position of the limiting block 3 is adjusted, the limiting block 3 can be slid left and right in the inner side of the mounting seat 1 after the locking nut on the surface of the screw 4 is loosened, the limiting block 3 is fixed after being adjusted to a proper position and the locking nut on the surface of the screw 4 is tightened, then the chip card is arranged in the inner part of the mounting seat 1, the bottom of the chip is in contact with the upper surface of the support strip 2, one side of the chip is attached to one side of the limiting block 3, then the thumb is inserted into the finger sleeve 77, the pressing plate 76 is opened by controlling the connecting strip 75, the pin to be welded is inserted into the clamping sleeve 74, the arrangement of the clamping sleeve 74 corresponds to the connecting points on the edge of the chip, the end of the pin is aligned so as to be in the same straight line, then the finger sleeve 77 is pressed downward, at this time, the clamping strip on the bottom of the pressing plate 76 is pressed into the separation groove in the top of the clamping sleeve 74, and the pin is fixedly pressed.

[0028] Further, the whole clamping device 7 is controlled by the thumb to rotate and move under the guidance of the sliding sleeve 71, the moving plate 73 is moved forward on the surface of the sliding seat 72 by pushing the thumb forward, the end of the pin is in contact with the connecting part of the chip, thus avoiding the problem that workers are difficult to weld due to hand shaking, after welding is completed, the pry plate 83 is pushed to the adjusting seat 81 to slide to the bottom of the chip, the pry plate 83 is tilted upward to rotate around the clamping shaft 82, and the chip is taken out from the mounting seat 1 by the pry plate 83, so that the chip is quickly taken out.

[0029] It should be noted that the parts not involved in the utility model are the same as or can be realized by the prior art; various drives in the utility model can be realized by corresponding power structures such as air cylinders, oil cylinders, electric cylinders, motors and the like cooperating with connecting rods and guide rods, and are not limited to the description in the specification and the structure in the drawings.

[0030] In the description of the embodiments of the present application, unless otherwise expressly specified and limited, the terms "mounting", "connecting", "connecting", "setting", "provided with" and the like should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or it can be integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the communication inside two elements. For ordinary skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0031] The above-described embodiments only express several embodiments of the present application, which are described in detail and in detail, but should not be understood as limiting the scope of the utility model patent. It should be pointed out that for ordinary skilled in the art, without departing from the concept of the present application, a number of modifications and improvements can be made, which belong to the protection scope of the present application.

Claims

1. A chip pin soldering auxiliary clamping device, comprising a mounting seat (1), a supporting strip (2), a limiting block (3), a screw rod (4), a connecting plate (5), a guide rod (6), a clamping device (7) and a taking device (8), characterized in that: The support strip (2) is fixedly arranged on the inner bottom of the mounting base (1), the limiting block (3) is clamped on the inner side of the mounting base (1), the screw rod (4) is fixedly arranged on one end of the limiting block (3), the connecting plate (5) is fixedly arranged on both ends of one side of the mounting base (1), the guide rod (6) is fixedly arranged on the inner side of the connecting plate (5), the clamping device (7) is sleeved on the outer side of the guide rod (6), and the taking device (8) is clamped on the inner side of the support strip (2). The clamping device (7) comprises a sliding sleeve (71), a sliding seat (72), a moving plate (73), a clamping sleeve (74), a connecting strip (75), a pressing plate (76) and a finger sleeve (77), the sliding sleeve (71) is sleeved on the outer side of the guide rod (6), the sliding seat (72) is fixedly arranged on the outer side of the sliding sleeve (71), the moving plate (73) is clamped on the top of the sliding seat (72), the clamping sleeve (74) is fixedly arranged on the upper surface of the moving plate (73), the connecting strip (75) is fixedly arranged on the tail end of the moving plate (73), the pressing plate (76) is fixed on the other end of the connecting strip (75), and the finger sleeve (77) is arranged on the top of the pressing plate (76).

2. The chip pin soldering assist clamping device according to claim 1, characterized in that: The taking device (8) comprises an adjusting seat (81), a clamping shaft (82) and a prying plate (83), the adjusting seat (81) is clamped on the inner side of the support strip (2), the clamping shaft (82) is fixedly arranged on the inner side of one end of the adjusting seat (81), and the prying plate (83) is sleeved on the surface of the clamping shaft (82).

3. The chip pin soldering assist clamping device of claim 2, wherein: One end of the prying plate (83) is provided with a clamping hole matched with the clamping shaft (82), the upper surface of the prying plate (83) is lower than the upper surface of the support strip (2), and the end, away from the clamping shaft (82), of the prying plate (83) is fixedly provided with an upwardly curved pulling plate.

4. The chip pin soldering assist clamping device of claim 1, wherein: The bottom of the moving plate (73) is provided with a guide strip, and the upper surface of the sliding seat (72) is provided with a guide groove matched with the guide strip.

5. The chip pin soldering assist clamping device of claim 1, wherein: The clamping sleeve (74) and the connecting strip (75) are made of rubber, the top of the clamping sleeve (74) is provided with a separation groove, and the bottom of the pressing plate (76) is provided with a pressing strip matched with the separation groove on the top of the clamping sleeve (74).

6. The chip pin soldering assist clamping device of claim 1, wherein: One end of the screw rod (4) penetrates and extends to the outer side of one side of the mounting base (1), the side surface of the mounting base (1) is provided with a waist-shaped hole matched with the screw rod (4), and the surface of the screw rod (4) is provided with a locking nut.

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