A DIP device pin cutting device

Abstract

The present invention relates to the field of surface assembly technology, and in particular to a DIP device pin cutting device, comprising a cutting device and a calibration device, wherein the calibration device is located at the bottom of the cutting device and is centrally aligned, the cutting device is connected to a side wall of the calibration device, and the cutting device comprises a pressure component: and further comprises a pressing cutting component connected to the pressure component. The present invention adjusts a limiting strip in a square slot so that the length between the side wall of the limiting strip in the strip slot and the side wall of a second base meets the length of a pin to be produced, and at the same time adjusts the positions of a first base and a second base so that a pin cutting knife can just cut the limiting strip in the strip slot, and at the same time presses a triangular pressing plate to complete the cutting, so as to solve the problem that the existing cutting device has low production efficiency and can only produce a single type of DIP device.

Description

Technical Field

[0001] The invention relates to the technical field of surface assembly, and in particular to a DIP device pin cutting device. Background Art

[0002] Dual in-line package (DIP) is also called DIP package or DIP package, abbreviated as DIP or DIL. It is a packaging method for integrated circuits. The shape of the integrated circuit is rectangular, and there are two rows of parallel metal pins on both sides, called pin headers. The components of DIP package can be soldered in the through holes of the printed circuit board electroplating, or inserted into the DIP socket;

[0003] When processing DIP devices, it is necessary to cut the lead pins. The existing cutting method usually adopts manual cutting, which is not only inefficient, but also cannot guarantee the cutting accuracy during cutting, so the DIP devices manufactured by it have low precision and poor quality. At the same time, the manual cutting method may cause the cutter to cause damage to the cutter.

[0004] Therefore, a cutting device is introduced on the market, but the cutting device has the following defects:

[0005] 1. Due to the wide variety of DIP devices, for example, three-pin DIP and nine-pin DIP devices, different cutting tools are required when cutting different types of DIP devices, and the cutting length and accuracy need to be manually controlled. When mass production is carried out, the qualified rate of DIP devices cannot be guaranteed;

[0006] 2. Based on some special electrical components, when installing DIP devices, the lengths of the pins on the DIP devices are different, but the existing cutting tools can only cut DIP devices of the same length. When DIP devices of different lengths need to be cut, manual cutting is required, so its efficiency is low;

[0007] Therefore, it is necessary to invent a DIP device pin cutting device. Summary of the invention

[0008] To this end, the present invention provides a DIP device pin cutting device, which adjusts the limit strip in the square slot so that the length between the side wall of the limit strip in the strip slot and the side wall of the second base meets the length of the pin to be produced, and at the same time adjusts the positions of the first base and the second base so that the pin cutting knife can just cut the limit strip in the strip slot, and at the same time presses the triangular pressing plate to complete the cutting, so as to solve the problem that the existing cutting device has low production efficiency and can only produce a single type of DIP device.

[0009] In order to achieve the above-mentioned object, the present invention provides the following technical solutions: a DIP device pin cutting device, comprising a cutting device and a calibration device, wherein the calibration device is located at the bottom of the cutting device and the center is aligned, the cutting device is connected to the side wall of the calibration device, and the cutting device comprises a pressure component: further comprising: a pressing cutting component connected to the pressure component;

[0010] The press-cutting assembly includes a circular ring seat, three groups of sleeves are fixedly installed on the top of the circular ring seat, the three groups of sleeves all penetrate the circular ring seat and are arranged in a circular array, the same triangular pressing plate is fixedly installed on the top of the three groups of sleeves, the three groups of sleeves are respectively located at the triangular parts of the triangular pressing plate, a pressing steel is fixedly installed in the middle of the triangular pressing plate, two groups of sliding grooves are opened on both side walls of the pressing steel, and limiting columns are fixedly installed on the other two side walls of the pressing steel, three groups of pressure seats are fixedly installed on the bottom of the circular ring seat, the three groups of pressure seats are arranged in a circular array, and a pin cutting knife is fixedly installed on the bottom of the pressing steel.

[0011] Preferably, the pressure-bearing component includes a disc seat, the bottom of the disc seat is provided with three groups of return grooves, the three groups of return grooves are arranged in a circular array, and the centers are respectively aligned with the three groups of pressure seats, three groups of plug posts are fixedly installed on the top of the disc seat, the three groups of plug posts are respectively plugged with the three groups of sleeves, a receiving socket is fixedly installed at the center of the disc seat, a square through hole is provided at the center of the receiving socket, the square through hole passes through the receiving socket and the disc seat, slide rails are fixedly installed on the inner walls on both sides of the square through hole, two groups of slide rails on the side walls of the square through hole are slidably connected with two groups of slide grooves on the side walls of the pressing steel, the pressing steel is slidably connected with the square through hole through the slide rails and the slide grooves, the side walls of the receiving socket are provided with two groups of straight slots, the two groups of straight slots are set at 90° to the slide rails, the two groups of limit posts are respectively slidably connected with the inner side walls of the two groups of straight slots, and rubber pads are fixedly installed on the top and bottom of the square through hole.

[0012] Preferably, the pressure-bearing component also includes a slide seat, and the slide seat is provided with three groups. A sliding hole is opened at the bottom of the slide seat, and the three groups of slide seats are slidably connected to the outer walls on both sides of the three groups of return grooves through the sliding holes, and the outer walls of the three groups of slide seats are fixedly installed with hydraulic rods, and the ends of the three groups of hydraulic rods are fixedly connected to the side walls of the disc seats, and the outer walls of the three groups of hydraulic rods are sleeved with telescopic springs, and the two ends of the three groups of telescopic springs are fixedly connected to the outer walls of the three groups of slide seats and the side walls of the disc seats, respectively, and a rotating rod is rotatably connected to the top of the slide seat, and the ends of the three groups of rotating rods are rotatably connected to the three groups of pressure seats.

[0013] Preferably, the calibration device includes a triangular support frame, and the triangular parts at the top of the triangular support frame are fixedly connected to the bottom of the disc seat, and a calibration component is provided in the middle of the triangular support frame, and the calibration component includes a first base, and a second base is fixedly installed on the top of the end of the first base by bolts, and the bottoms of the first base and the second base are both slidably connected to the middle of the triangular support frame, and a square slot is provided at the end of the second base, and a plurality of groups of strip grooves are provided at the top of the front end of the second base, and the plurality of groups of strip grooves are connected to the square slot, and the square slot is located at the bottom of the strip groove, and a plurality of groups of limit strips are inserted in the square slot, and the plurality of groups of limit strips are slidably connected between each other, and the pin cutting knife is aligned with the middle of the plurality of groups of strip grooves.

[0014] Preferably, a convex block is fixedly mounted on one side of the limit bar, and a concave groove is opened on the other side of the limit bar. The convex block cooperates with the concave groove, and two adjacent groups of the limit bars are slidably connected through the convex block and the concave groove.

[0015] The beneficial effects of the present invention are:

[0016] 1. By selecting the DIP device type that meets the requirements, the DIP device is placed between the first base and the second base. The first base and the second base can clamp the DIP device so that it can only move horizontally. At the same time, its pins are placed in the strip groove on the second base, and multiple groups of limit bars are inserted into the square slots. According to the required length of the pins on the DIP device, the multiple groups of limit bars are moved to control the length at the bottom of the DIP device pins so that the length from the side wall of the second base to the side wall of each limit bar is the required length of the DIP device pin. After the adjustment is completed, the corresponding pin cutting knife is fixedly installed on the bottom of the pressing steel, and the positions of the first base and the second base on the triangular support frame are adjusted so that the pin cutting knife can cut each pin located inside the strip groove;

[0017] 2. By adjusting the position of the limit strip in the strip groove, the pin to be cut is placed on the upper part of the limit strip. When the triangular pressing plate is pushed to make the pin cutting knife cut the DIP device pin, it can ensure that the pin cutting knife is more stable when cutting the DIP device pin, and it is convenient to cut DIP device pins of different lengths. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 A schematic diagram of the structure of the device provided by the present invention;

[0019] Figure 2 A bottom view of the device provided by the present invention;

[0020] Figure 3 An exploded view of the cutting device provided by the present invention;

[0021] Figure 4A schematic diagram of the structure of the press-cut assembly provided by the present invention;

[0022] Figure 5 A schematic diagram of the structure of a pressure-bearing component provided by the present invention;

[0023] Figure 6 A schematic diagram of the structure of the return groove provided by the present invention;

[0024] Figure 7 A schematic diagram of the structure of each structure on the slide provided by the present invention;

[0025] Figure 8 A schematic diagram of the structure of the calibration component provided by the present invention;

[0026] Fig. 9 An exploded view of the calibration assembly provided by the present invention;

[0027] Fig.10 A schematic diagram of the structure of multiple groups of limit strips provided by the present invention.

[0028] In the figure: cutting device 100, pressing and cutting component 110, circular ring seat 111, sleeve 112, triangular pressing plate 113, pressing steel 114, slide groove 115, limiting column 116, pressure seat 117, pin cutting knife 118, pressure component 120, disc seat 121, return groove 122, plug column 123, socket 124, square through hole 125, slide rail 126, straight notch 127, rubber pad 128, slide seat 130, sliding hole 131, rotating rod 132, hydraulic rod 133, telescopic spring 134, calibration device 200, triangular support frame 210, calibration component 220, first base 221, second base 222, square slot 223, strip groove 224, limiting strip 225, convex block 226, concave groove 227. DETAILED DESCRIPTION

[0029] The preferred embodiments of the present invention are described below in conjunction with the accompanying drawings. It should be understood that the preferred embodiments described herein are only used to illustrate and explain the present invention, and are not used to limit the present invention.

[0030] Refer to the attached Figure 1-10 The present invention provides a DIP device pin cutting device, comprising a cutting device 100 and a calibration device 200, wherein the calibration device 200 is located at the bottom of the cutting device 100 and the centers are aligned, and the cutting device 100 is connected to the side wall of the calibration device 200, and the cutting device 100 comprises a pressure component 120: and further comprises: a pressing cutting component 110 connected to the pressure component 120;

[0031] The pressing and cutting assembly 110 includes a circular ring seat 111, three groups of sleeves 112 are fixedly installed on the top of the circular ring seat 111, the three groups of sleeves 112 all penetrate the circular ring seat 111 and are arranged in a circular array, the same triangular pressing plate 113 is fixedly installed on the top of the three groups of sleeves 112, the three groups of sleeves 112 are respectively located at the triangular parts of the triangular pressing plate 113, a pressing steel 114 is fixedly installed in the middle of the triangular pressing plate 113, two groups of sliding grooves 115 are opened on both side walls of the pressing steel 114, and limiting columns 116 are fixedly installed on the other two side walls of the pressing steel 114, three groups of pressure seats 117 are fixedly installed on the bottom of the circular ring seat 111, the three groups of pressure seats 117 are arranged in a circular array, a pin cutting knife 118 is fixedly installed on the bottom of the pressing steel 114, and by replacing different The pin cutting knife 118 can cut different types of DIP device pins. The pressure-bearing component 120 includes a disc seat 121. Three groups of return grooves 122 are provided at the bottom of the disc seat 121. The three groups of return grooves 122 are arranged in a circular array and are aligned with the three groups of pressure-bearing seats 117 at the center. Three groups of plug posts 123 are fixedly installed on the top of the disc seat 121. The plug posts 123 are guided to slide by the sleeve 112. The three groups of plug posts 123 are respectively plugged with the three groups of sleeves 112. A receiving socket 124 is fixedly installed at the center of the disc seat 121. A square through hole 125 is provided at the center of the receiving socket 124. The square through hole 125 penetrates the receiving socket 124 and the disc seat 121. Slide rails 126 are fixedly installed on the inner walls of both sides of the square through hole 125. The two sets of slide rails 126 on the wall are slidably connected with the two sets of slide grooves 115 on the side wall of the pressing steel 114. The pressing steel 114 is slidably connected with the square through hole 125 through the slide rails 126 and the slide grooves 115. The side wall of the receiving socket 124 is provided with two sets of straight slots 127. The two sets of straight slots 127 are arranged at 90 degrees with the slide rails 126. The two sets of limit columns 116 are respectively slidably connected with the inner side walls of the two sets of straight slots 127. The top and bottom of the square through hole 125 are fixedly installed with rubber pads 128. The rubber pads 128 can reduce the loss caused by the sliding of the pressing steel 114 and the square through hole 125. The pressure component 120 also includes a slide seat 130. The slide seat 130 is provided with three groups. The bottom of the slide seat 130 is provided with a slide hole 131. The three sets of slides 130 are all through The sliding holes 131 are respectively slidably connected to the outer walls of both sides of the three groups of return grooves 122, and the outer walls of the three groups of slide seats 130 are fixedly installed with hydraulic rods 133. The ends of the three groups of hydraulic rods 133 are fixedly connected to the side walls of the disc seat 121, and the outer walls of the three groups of hydraulic rods 133 are sleeved with telescopic springs 134. The two ends of the three groups of telescopic springs 134 are respectively fixedly connected to the outer walls of the three groups of slide seats 130 and the side walls of the disc seat 121. The top of the slide seat 130 is rotatably connected with a rotating rod 132, and the ends of the three groups of rotating rods 132 are respectively rotatably connected to the three groups of pressure seats 117. Specifically, the triangular pressing plate 113 is pressed, and the triangular pressing plate 113 drives the sleeve 112 to move downward along the plug column 123, so that the pressing steel 114 fixed in the middle of the triangular pressing plate 113 moves downward. At this time,The sleeve 112 drives the annular seat 111 to move downward, driving the annular seat 111 to drive the rotating rod 132 to rotate downward, thereby driving the slide seat 130 to move toward the outside of the disc seat 121. At this time, the hydraulic rod 133 and the telescopic spring 134 are both compressed. When the triangular pressing plate 113 moves to the specified position, the pressing steel 114 can drive the pin cutting knife 118 at the bottom to cut the DIP device pins located inside the strip groove 224, thereby obtaining a DIP device that meets the standard. After the cutting is completed, the triangular pressing plate 113 can quickly return to its original position under the restoring force of the hydraulic rod 133 and the telescopic spring 134.

[0032] Furthermore, the calibration device 200 includes a triangular support frame 210, and the triangular parts at the top of the triangular support frame 210 are fixedly connected to the bottom of the disc seat 121. A calibration component 220 is provided in the middle of the triangular support frame 210. The calibration component 220 includes a first base 221. The top of the end of the first base 221 is fixedly installed with a second base 222 by bolts. The bottoms of the first base 221 and the second base 222 are both slidably connected to the middle of the triangular support frame 210. A square slot 223 is provided at the end of the second base 222. A plurality of groups of strip grooves 224 are provided at the top of the front end of the second base 222. The plurality of groups of strip grooves 224 are connected to the square slot 223. The square slot 223 is located at the bottom of the strip groove 224. A plurality of groups of limit strips 225 are inserted in the square slot 223. The plurality of groups of limit strips 225 are slidably connected to each other. The pin cutting knife 118 is aligned with the middle of the plurality of groups of strip grooves 224. Specifically, by selecting Select a suitable DIP device and place it between the first base 221 and the second base 222. The first base 221 and the second base 222 can clamp the DIP device so that it can only move horizontally. At the same time, place its pins in the strip groove 224 on the second base 222, insert multiple groups of limit bars 225 into the square slot 223, and move the multiple groups of limit bars 225 according to the required length of the pins on the DIP device to control the length at the bottom of the DIP device pins. At this time, the length from the side wall of the second base 222 to the side wall of each limit bar 225 is the required length of the DIP device pin. After the adjustment is completed, the corresponding pin cutting knife 118 is fixedly installed at the bottom of the pressing steel 114, and the positions of the first base 221 and the second base 222 on the triangular support frame 210 are adjusted at the same time, so that the pin cutting knife 118 can cut each pin located inside the strip groove 224.

[0033] Furthermore, a convex block 226 is fixedly installed on one side of the limit bar 225, and a concave groove 227 is opened on the other side of the limit bar 225. The convex block 226 cooperates with the concave groove 227, and the two adjacent groups of limit bars 225 are slidably connected through the convex block 226 and the concave groove 227. Specifically, when multiple groups of limit bars 225 are located in the second base 222, the adjustment can be completed by pushing the limit bar 225 to make the convex block 226 and the concave groove 227 between the two adjacent groups of limit bars 225 relatively displaced. The setting of the limit bar 225 can ensure that when the pin cutting knife 118 cuts the DIP device pins, it is more stable and convenient to cut DIP device pins of different lengths.

[0034] The use process of the present invention is as follows: A person skilled in the art selects a suitable DIP device, places the DIP device between the first base 221 and the second base 222, and the first base 221 and the second base 222 can clamp the DIP device so that it can only move horizontally, and at the same time places its pins into the strip groove 224 on the second base 222, inserts multiple groups of limit bars 225 into the square slot 223, and moves the multiple groups of limit bars 225 according to the length of the pins on the DIP device to control the length of the limit bars at the bottom of the pins of the DIP device. , the length from the side wall of the second base 222 to the side wall of each limiting strip 225 is the required length of the DIP device pin. After the adjustment is completed, the corresponding pin cutting knife 118 is fixedly installed at the bottom of the pressing steel 114, and the positions of the first base 221 and the second base 222 on the triangular support frame 210 are adjusted at the same time, so that the pin cutting knife 118 can cut each pin located inside the strip groove 224. After the adjustment is completed, the triangular pressing plate 113 is pressed, and the triangular pressing plate 113 drives the sleeve 112 to move downward along the plug 123, so that the pin fixed on the triangular pressing plate 1 The pressing steel 114 in the middle of 13 moves downward. At this time, the sleeve 112 drives the annular seat 111 to move downward, driving the annular seat 111 to drive the rotating rod 132 to rotate downward, thereby driving the slide seat 130 to move toward the outside of the disc seat 121. At this time, the hydraulic rod 133 and the telescopic spring 134 are both compressed. When the triangular pressing plate 113 moves to the specified position, the pressing steel 114 can drive the pin cutting knife 118 at the bottom to cut the DIP device pins located inside the strip groove 224, thereby obtaining a DIP device that meets the standard. After the cutting is completed, the hydraulic rod 13 Under the action of the restoring force of the telescopic spring 134, the triangular pressing plate 113 can be quickly returned to its original position. By placing different types of DIP devices between the first base 221 and the second base 222, and placing the pins of the DIP devices into the strip grooves 224, the positions of the limiting strips 225 in the plurality of strip grooves 224 are adjusted according to the required pin length, so that the length from the side wall of the second base 222 to the side wall of each limiting strip 225 is the required DIP device pin length, and different DIP devices can be obtained by replacing different pin cutting knives 118.

[0035] The above is only a preferred embodiment of the present invention. Any person skilled in the art may modify the present invention by using the above technical solution or modify it into an equivalent technical solution. Therefore, any simple modification or equivalent replacement made according to the technical solution of the present invention shall fall within the scope of protection claimed by the present invention.

Claims

1. A DIP device pin cutting device, comprising a cutting device (100) and a calibration device (200), wherein the calibration device (200) is located at the bottom of the cutting device (100) and the centers are aligned, and the cutting device (100) is connected to the side wall of the calibration device (200), characterized in that: The cutting device (100) comprises a pressure-bearing component (120); and further comprises a pressing and cutting component (110) connected to the pressure-bearing component (120); The pressing and cutting assembly (110) comprises a circular ring seat (111), three groups of sleeves (112) are fixedly mounted on the top of the circular ring seat (111), the three groups of sleeves (112) all penetrate the circular ring seat (111) and are arranged in a circular array, the same triangular pressing plate (113) is fixedly mounted on the top of the three groups of sleeves (112), the three groups of sleeves (112) are respectively located at the triangular positions of the triangular pressing plate (113), and the triangular pressing plate (113) 113) A pressing steel (114) is fixedly installed in the middle, two side walls of the pressing steel (114) are provided with two groups of sliding grooves (115), and the other two side walls of the pressing steel (114) are fixedly installed with limiting columns (116), and three groups of pressure seats (117) are fixedly installed at the bottom of the annular seat (111), and the three groups of pressure seats (117) are arranged in a circular array, and a pin cutting knife (118) is fixedly installed at the bottom of the pressing steel (114); The pressure-bearing component (120) comprises a disc seat (121), the bottom of the disc seat (121) is provided with three groups of return grooves (122), the three groups of return grooves (122) are arranged in a circular array, and the centers are respectively aligned with the three groups of pressure-bearing seats (117), the top of the disc seat (121) is fixedly provided with three groups of plug posts (123), the three groups of plug posts (123) are respectively plugged with the three groups of sleeves (112), a receiving socket (124) is fixedly provided at the center of the disc seat (121), a square through hole (125) is provided at the center of the receiving socket (124), the square through hole (125) penetrates the receiving socket (124) and the disc seat (121), and the square through hole (125) 25) Slide rails (126) are fixedly installed on the inner walls of both sides, and the two groups of slide rails (126) on the side walls of the square through hole (125) are slidably connected to the two groups of slide grooves (115) on the side walls of the pressing steel (114). The pressing steel (114) is slidably connected to the square through hole (125) through the slide rails (126) and the slide grooves (115). The side wall of the receiving socket (124) is provided with two groups of straight slots (127), and the two groups of straight slots (127) are arranged at 90 degrees with the slide rails (126). The two groups of limit columns (116) are slidably connected to the inner side walls of the two groups of straight slots (127), and the top and bottom of the square through hole (125) are fixedly installed with rubber pads (128); The pressure-bearing assembly (120) further comprises a slide seat (130), wherein three groups of the slide seats (130) are provided, and a slide hole (131) is provided at the bottom of the slide seat (130). The three groups of the slide seats (130) are slidably connected to the outer walls of both sides of the three groups of return grooves (122) through the slide holes (131). The outer walls of the three groups of the slide seats (130) are fixedly mounted with hydraulic rods (133). The ends of the three groups of the hydraulic rods (133) are fixedly connected to the side walls of the disc seat (121). The outer walls of the three groups of the hydraulic rods (133) are sleeved with telescopic springs (134). The two ends of the three groups of the telescopic springs (134) are fixedly connected to the outer walls of the three groups of the slide seats (130) and the side walls of the disc seat (121). The top of the slide seat (130) is rotatably connected with a rotating rod (132). The ends of the three groups of the rotating rods (132) are rotatably connected to the three groups of pressure-bearing seats (117).

2. A DIP device pin cutting device according to claim 1, characterized in that: The calibration device (200) comprises a triangular support frame (210), the top triangular parts of the triangular support frame (210) are fixedly connected to the bottom of the disc seat (121), the middle of the triangular support frame (210) is provided with a calibration component (220), the calibration component (220) comprises a first base (221), the top of the end of the first base (221) is fixedly mounted with a second base (222) by bolts, and the bottoms of the first base (221) and the second base (222) are slidably connected to the middle of the triangular support frame (210). The second base (222) is connected with a square slot (223) at the end thereof, and a plurality of groups of strip grooves (224) are provided at the top of the front end of the second base (222). The plurality of groups of strip grooves (224) are all connected with the square slot (223). The square slot (223) is located at the bottom of the strip groove (224). The square slot (223) is inserted with a plurality of groups of limit strips (225). The plurality of groups of limit strips (225) are slidably connected with each other, and the pin cutting knife (118) is aligned with the middle of the plurality of groups of strip grooves (224).

3. A DIP device pin cutting device according to claim 2, characterized in that: A convex block (226) is fixedly mounted on one side of the limiting strip (225), and a concave groove (227) is provided on the other side of the limiting strip (225). The convex block (226) cooperates with the concave groove (227), and two adjacent groups of the limiting strips (225) are slidably connected via the convex block (226) and the concave groove (227).

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