Pin cutting device for diode

Abstract

The invention relates to the technical field of diode processing, in particular to a pin cutting device for a diode. Comprising a machine frame, the machine frame is provided with a bearing plate used for bearing a diode, the machine frame is provided with a guide frame, the guide frame is provided with a sliding frame in a sliding mode, and the sliding frame is provided with a lifting frame in a sliding mode. According to the diode pin cutting device, the rubber sleeve, the sliding frame, the lifting frame and the driving mechanism are arranged, diode pins are clamped through elastic deformation of the rubber sleeve and straightened in the moving process, the problem that the cutting lengths are different due to bending and twisting of the pins in the conveying or feeding process is effectively solved, and the service life of the diode pins is prolonged. According to the pin cutting device, the size consistency of pin cutting and the product standardization level are remarkably improved, then through the arrangement of an extrusion wheel, a guide rod frame, an adjusting mechanism and a guiding mechanism, the pins are accurately bent and formed immediately after being cut, efficiency losses and accumulative errors caused by multiple times of transferring and repeated positioning in the traditional technology are avoided, and the production efficiency is improved. And the machining efficiency and the overall precision are greatly improved.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of diode processing, and particularly relates to a pin cutting device for diode. BACKGROUND

[0002] In the automatic production and subsequent packaging process of semiconductor discrete devices, diodes are widely used as basic electronic components, and the processing precision of the pins of the diodes is directly related to the reliability and yield of subsequent automatic mounting (such as SMT surface mounting). As one of the key processes, pin cutting is aimed at accurately cutting the relatively long pins at the time of delivery according to a specific length to meet the requirements of different application scenarios for the size of the pins. However, in the actual production process, the existing pin cutting device still has significant technical bottlenecks in dealing with complex working conditions and improving overall processing efficiency.

[0003] At present, the mainstream diode pin cutting equipment sends diodes into the cutting station one by one, and then completes pin cutting by a cutting tool driven by pneumatic or servo. However, such devices have exposed two major problems in actual application. First, diodes are usually packaged in the form of braided or bulk at the time of delivery. During long-distance transportation, storage and handling, and feeding and conveying, diodes are inevitably subjected to vibration, collision and extrusion. These external forces are extremely easy to cause the metal pins of diodes to be bent, twisted and crossed to different degrees. When such deformed pins are cut, the length of the pins of the diodes is likely to have significant differences, which seriously damages the consistency and standardization level of the size of the products and affects the accuracy and reliability of subsequent automatic assembly. Second, the existing pin processing equipment is generally single-functioned and only has cutting ability. After completing pin cutting, diodes need to be transferred to independent bending equipment for pin forming (such as L-shaped bending) by a mechanical hand, a conveyor belt or manual operation. This step-by-step processing mode of “cutting → transfer → repositioning → bending” not only introduces an additional intermediate link and prolongs the overall production cycle, but also accumulates position errors due to multiple positioning and transmission, which further reduces the processing precision. SUMMARY

[0004] Therefore, the present application provides a pin cutting device for diode, which can solve the problems that the existing diode pin cutting equipment is easy to cause the length of the pins after cutting to have significant differences due to pin deformation, seriously damages the consistency and standardization level of the size of the products, and is generally single-functioned and only has cutting ability, and is difficult to perform the bending step of the pins.

[0005] The technical implementation of the present application is: a pin cutting device for diode, comprising a rack, a supporting plate for supporting diode is arranged on the rack, a guide frame is installed on the rack, a sliding frame is slidably arranged on the guide frame, a lifting frame is slidably arranged on the sliding frame, a sliding frame is slidably arranged on the lifting frame, a rubber sleeve connected with the lifting frame is arranged on the sliding frame, the rubber sleeve is used for clamping the pin of diode by deformation, and then the rubber sleeve is used for straightening the pin of diode, a driving mechanism for driving the sliding frame and the lifting frame to move is arranged on the guide frame, a guide mechanism is arranged on the side of the rack, two movable frames are connected to the guide mechanism, a supporting table is arranged on one of the movable frames, a cutting mechanism and a pressing block are arranged on the other movable frame, the cutting mechanism is used for cutting the pin of diode, a guide rod frame is slidably arranged on the cutting mechanism, an extrusion wheel for bending the pin of diode is rotatably arranged on the guide rod frame, and an adjusting mechanism for adjusting the position of the extrusion wheel is further arranged on the other movable frame.

[0006] Further explanation, the driving mechanism comprises a first screw motor and a first electric push rod, the first screw motor is installed on the side of the guide frame, the screw rod of the first screw motor is in threaded connection with the sliding frame, the first electric push rod is installed on the side of the sliding frame, and the telescopic rod of the first electric push rod is connected with the lifting frame.

[0007] Further explanation, the guide mechanism comprises a guide rail frame, a hydraulic cylinder and a second screw motor, the guide rail frame is slidably arranged on the side of the rack, the two movable frames are slidably arranged on the guide rail frame, the hydraulic cylinder is installed on the side of the rack, the telescopic rod of the hydraulic cylinder is connected with the guide rail frame, the second screw motor is installed on the guide rail frame, the screw rod of the second screw motor is a bidirectional screw rod, and the two movable frames are in threaded connection with the two ends of the bidirectional screw rod.

[0008] Further explanation, the cutting mechanism comprises a second electric push rod, a connecting frame and a cutting knife, the second electric push rod is installed on the other movable frame, the telescopic rod of the second electric push rod is connected with the connecting frame, the guide rod frame is slidably arranged on the connecting frame, and the cutting knife for cutting the pin of diode is connected to the connecting frame.

[0009] Further explanation, the adjusting mechanism comprises an adjusting frame, a spring, a roller, a guide block and a screw rod, the adjusting frame is slidably installed on the other movable frame, the adjusting frame is slidably connected with the guide rod frame, the spring is arranged between the adjusting frame and the other movable frame, the roller is rotatably arranged on the adjusting frame, the guide block is slidably arranged on the supporting table, the guide block is used for guiding the movement of the roller, and the screw rod is rotatably arranged on the supporting table and in threaded connection with the guide block.

[0010] Further explanation, further comprising a guide plate, the guide plate is arranged on the supporting table and used for guiding the pin to discharge.

[0011] Further illustration, still including rack, gear, linear driver and limit wheel, the supporting plate is slidably provided with two rack, the supporting plate bottom is rotatably provided with gear, two rack are engaged with gear, the supporting plate bottom is installed with linear driver, the telescopic rod of linear driver is connected with one of rack, the rack is rotatably provided with limit wheel, and the limit wheel is used for limiting two sides of diode.

[0012] Further illustration, still including guiding frame, limiting plate and third lead screw motor, the rack is installed with guiding frame, the guiding frame is slidably provided with limiting plate for limiting the remaining side of diode, and the third lead screw motor is installed on the guiding frame, and the lead screw of the third lead screw motor is screw connected with the limiting plate.

[0013] Compared with the prior art, the present application has the following advantages: 1, the present application is provided with rubber sleeve, sliding frame, lifting frame and driving mechanism, the elastic deformation of rubber sleeve is used to clamp diode pin, and the pin is straightened during movement, effectively solving the problem of different cutting lengths caused by pin bending and twisting during transportation or feeding, significantly improving the size consistency of pin cutting and the product standardization level, and through the setting of extrusion wheel, guide rod frame, adjusting mechanism and guiding mechanism, the pin is accurately bent and formed after cutting, avoiding the efficiency loss and cumulative error caused by repeated transportation and repeated positioning in traditional process, and greatly improving the processing efficiency and overall precision.

[0014] 2, the present application is provided with adjustable guide block and screw structure, which can conveniently adjust the transverse position of extrusion wheel, so as to flexibly control the bending length of pin, adapt to the processing demand of diode of different specifications, and enhance the versatility and flexible production capacity of the equipment.

[0015] 3, the present application sets up a lateral limiting mechanism composed of rack, gear, linear driver and limit wheel, which can realize automatic limiting of multiple sides of diode placed on the supporting plate in combination with the limiting plate driven by the third lead screw motor, effectively prevent workpiece deviation, improve the reliability and repeat positioning accuracy of the processing process. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is a three-dimensional structure schematic diagram of the present application.

[0017] Figure 2 It is a three-dimensional structure schematic diagram of the present application diode placed on the supporting plate.

[0018] Figure 3 It is a three-dimensional structure schematic diagram of the driving mechanism of the present application.

[0019] Figure 4 It is a three-dimensional structure schematic diagram of the lifting frame, sliding frame and rubber sleeve of the present application.

[0020] Figure 5 The structure separation diagram of the lifting frame, sliding frame and rubber sleeve of the present application.

[0021] Figure 6 The perspective structural schematic diagram of the guide rail frame, hydraulic cylinder and second screw motor of the present application.

[0022] Figure 7 The perspective structural schematic diagram of the guide rail frame, hydraulic cylinder and second screw motor of the present application.

[0023] Figure 8 The perspective structural schematic diagram of the cutting mechanism of the present application.

[0024] Figure 9 The perspective structural schematic diagram of the adjusting frame, spring and roller of the present application.

[0025] Figure 10 The structure separation diagram of the connecting frame, guide rod frame and adjusting frame of the present application.

[0026] Figure 11 The perspective structural schematic diagram of the guide block, screw rod and guide plate of the present application.

[0027] Figure 12 The perspective structural schematic diagram of the guide frame, limiting plate and third screw motor of the present application.

[0028] Figure 13 The perspective structural schematic diagram of the rack frame, gear and linear driver of the present application.

[0029] In the above drawings: 1: frame, 101: diode, 2: supporting plate, 3: guide frame, 4: sliding frame, 5: lifting frame, 6: sliding frame, 7: rubber sleeve, 801: first screw motor, 802: first electric push rod, 901: guide rail frame, 902: hydraulic cylinder, 903: second screw motor, 10: movable frame, 11: supporting table, 1201: second electric push rod, 1202: connecting frame, 1203: cutting knife, 13: pressing block, 14: guide rod frame, 15: extrusion wheel, 1601: adjusting frame, 1602: spring, 1603: roller, 1604: guide block, 1605: screw rod, 1703: guide plate, 18: rack frame, 19: gear, 20: linear driver, 21: limiting wheel, 22: guide frame, 23: limiting plate, 24: third screw motor. DETAILED DESCRIPTION

[0030] Although the present application can be described in terms of specific applications or industries, those skilled in the art will recognize that the present application has a much broader application. Those skilled in the art will recognize that terms such as "above", "below", "up", "down", and the like are words of description used to aid the reader's understanding of the application and are not meant to limit the scope of the application as defined by the appended claims. Any reference to claim elements in the singular, for example, using the articles "a", "an" or "the", is not construed as limiting the scope of the application. It is to be understood that the singular forms "a", "an", and "the" include plural referents unless the context clearly dictates otherwise. Any reference to claim elements in the singular, for example, using the articles "a", "an" or "the", is not construed as limiting the scope of the application. Any reference to claim elements in the singular, for example, using the articles "a", "an" or "the", is not construed as limiting the scope of the application.

[0031] Embodiment: A pin cutting device for diode, refer to Figures 1-11 As shown, comprising a rack 1, further comprising a support plate 2, a guide frame 3, a sliding frame 4, a lifting frame 5, a sliding frame 6, a rubber sleeve 7, a drive mechanism, a guide mechanism, a movable frame 10, a support table 11, a cutting mechanism, a pressing block 13, a guide rod frame 14, a extrusion wheel 15, an adjusting mechanism and a discharge mechanism; The upper side of the rack 1 is provided with a support plate 2, which is used for supporting the diode 101, and the right side of the top of the support plate 2 is provided with a stop block, which is used for limiting the right side of the diode 101; The lower right side of the rack 1 is provided with a guide frame 3; The upper side of the guide frame 3 is provided with a sliding frame 4; The lower side of the sliding frame 4 is provided with a lifting frame 5; The upper side of the lifting frame 5 is provided with a sliding frame 6, and the sliding frame 6 is slidingly connected to the bottom of the sliding frame 4; The upper side of the sliding frame 6 is connected with four rubber sleeves 7, the bottom end of the rubber sleeve 7 is connected with the lifting frame 5, the rubber sleeve 7 is used for clamping the pin of the diode 101 through deformation, and then the rubber sleeve 7 is used for straightening the pin of the diode 101; The guide frame 3 is provided with a drive mechanism for driving the sliding frame 4 and the lifting frame 5 to move; The side of the rack 1 is provided with a guide mechanism, the guide mechanism is connected with two movable frames 10, the two movable frames 10 are distributed in an up-down manner, and the guide mechanism is used for guiding the two movable frames 10 to move close to or away from each other; The top of the lower movable frame 10 is provided with a support table 11; The upper movable frame 10 is provided with a cutting mechanism, which is used for cutting the pin of the diode 101; The bottom of the upper movable frame 10 is provided with three pressing blocks 13 at intervals, the pressing blocks 13 are made of rubber, and the pressing blocks 13 are used for pressing and limiting the pin of the diode 101; The cutting mechanism is provided with a guide rod frame 14 slidingly; The guide rod frame 14 is provided with an extrusion wheel 15 rotatingly, which is used for bending the pin of the diode 101, so as to bend the pin of the diode 101; The upper movable frame 10 is further provided with an adjusting mechanism for adjusting the position of the extrusion wheel 15.

[0032] Refer to Figure 3 And Figure 4As shown, the drive mechanism includes a first lead screw motor 801 and a first electric push rod 802; the first lead screw motor 801 is installed on the upper right rear part of the guide frame 3, the lead screw of the first lead screw motor 801 is threadedly connected to the sliding frame 4, and the first lead screw motor 801 is used to drive the sliding frame 4 to move; the first electric push rod 802 is installed on the right side of the sliding frame 4, and the telescopic rod of the first electric push rod 802 is connected to the lower right part of the lifting frame 5.

[0033] See Figures 6-8 As shown, the guiding mechanism includes a guide rail frame 901, a hydraulic cylinder 902, and a second lead screw motor 903; the guide rail frame 901 is slidably mounted on the rear side of the frame 1; both movable frames 10 are slidably mounted on the guide rail frame 901; the hydraulic cylinder 902 is installed on the rear side of the frame 1, and the telescopic rod of the hydraulic cylinder 902 is connected to the guide rail frame 901; the second lead screw motor 903 is installed on the top of the guide rail frame 901, and the lead screw of the second lead screw motor 903 is a bidirectional lead screw, and the two movable frames 10 are respectively threaded to the two ends of the bidirectional lead screw.

[0034] See Figure 8 and Figure 9 As shown, the cutting mechanism includes a second electric push rod 1201, a connecting frame 1202, and a cutting blade 1203; the second electric push rod 1201 is installed on the top right front side of the upper movable frame 10; the connecting frame 1202 is connected to the telescopic rod of the second electric push rod 1201; the cutting blade 1203 is connected to the bottom of the connecting frame 1202, and the cutting blade 1203 is used to cut off the pins of the diode 101.

[0035] See Figures 8-11 As shown, the adjustment mechanism includes an adjustment frame 1601, a spring 1602, a roller 1603, a guide block 1604, and a screw 1605. The adjustment frame 1601 is slidably arranged on the left side inside the upper movable frame 10, and the adjustment frame 1601 is slidably connected to the guide rod frame 14. Springs 1602 are connected to the front and rear sides of the left side of the adjustment frame 1601 and the upper movable frame 10. Rollers 1603 are rotatably arranged on the front and rear sides of the lower side of the adjustment frame 1601. A guide block 1604 is slidably arranged on the upper side of the support platform 11. The top front and rear sides of the guide block 1604 are provided with inclined surfaces that are lower on the left and higher on the right. The inclined surfaces of the guide block 1604 are used to guide the rollers 1603 to move. A screw 1605 is rotatably arranged on the upper front part inside the support platform 11, and the screw 1605 is threadedly connected to the guide block 1604.

[0036] See Figure 6 , Figure 8 and Figure 11 As shown, it also includes a guide plate 1703; a guide plate 1703 for guiding the pins out is provided on the lower side of the support platform 11.

[0037] In use, first, the guide rail frame 901 is driven to move right or left by the hydraulic cylinder 902, thereby driving the movable frame 10, the second electric push rod 1201, the connecting frame 1202 and the cutting knife 1203 to move right or left, and further adjusting the position of the cutting knife 1203, so as to adjust the pin cutting position of the diode 101. After adjustment, the diode 101 is transferred to the top of the supporting plate 2 by the transfer device, so that the right side of the diode 101 is in contact with the abutting block on the supporting plate 2, and the pin of the diode 101 faces right (as shown in FIG. 10B). Figure 2When the sliding frame 6 is in contact with the bottom of the sliding box 4, the bottom of the sliding box 4 will block the upward movement of the sliding frame 6, so that the sliding frame 6 stops moving, thereby pulling the top end of the rubber sleeve 7, and then the upward movement of the lifting frame 5 will extrude the bottom end of the rubber sleeve 7, so that the rubber sleeve 7 is deformed, and the two adjacent rubber sleeves 7 will gradually approach the pin of the diode 101, so as to clamp the pin of the diode 101, then the sliding box 4 is driven to move rightwards by the first lead screw motor 801, so that the sliding box 4 drives the sliding frame 6 and the rubber sleeve 7 to move rightwards, so that the rubber sleeve 7 straightens the clamped pin during the rightward movement, to ensure that the pin of the diode 101 is in a straightened state, and as the sliding box 4 drives the sliding frame 6 and the rubber sleeve 7 to move rightwards, the sliding box 4 will not affect the lifting of the support table 11, then the two movable frames 10 are driven to approach each other by the second lead screw motor 903, so that the lower movable frame 10 drives the support table 11 and the guide block 1604 to move upwards, until the top of the support table 11 and the guide block 1604 is in contact with the pin of the diode 101, the top of the support table 11 and the guide block 1604 provides support for the pin of the diode 101, and the upper movable frame 10 drives the pressing block 13, the adjusting frame 1601 and the roller 1603 to move downwards, until the pressing block 13 presses the pin of the diode 101 tightly on the top of the support table 11, so as to locate the pin of the diode 101, and during the process, when the roller 1603 is in contact with the inclined surface on the top of the guide block 1604, the inclined surface on the top of the guide block 1604 will guide the roller 1603 to roll leftwards, thereby driving the adjusting frame 1601, the guide rod frame 14 and the extrusion wheel 15 to move leftwards, and the spring 1602 is compressed, thereby automatically adjusting the position of the extrusion wheel 15, when the roller 1603 rolls leftwards away from the inclined surface on the top of the guide block 1604, the extrusion wheel 15 is aligned with the part to be bent of the pin of the diode 101 at this time, then the roller 1603 will continue to roll downwards along the left side of the guide block 1604, and the left side of the guide block 1604 abuts against the roller 1603, thereby limiting the adjusting frame 1601, the guide rod frame 14 and the extrusion wheel 15, to ensure that the extrusion wheel 15 is always aligned with the part to be bent of the pin of the diode 101, then the connecting frame 1202 and the cutting knife 1203 are driven to move downwards by the second electric push rod 1201, so that the connecting frame 1202 drives the guide rod frame 14 and the extrusion wheel 15 to move downwards, when the cutting knife 1203 is in contact with the pin of the diode 101, the cutting knife 1203 will cut the pin of the diode 101, after the pin of the diode 101 is cut off, the connecting frame 1202 will drive the cutting knife 1203, the guide rod frame 14 and the extrusion wheel 15 to continue to move downwards,When the extrusion wheel 15 contacts the completed cutting pin of the diode 101, the extrusion wheel 15 will press the completed cutting pin of the diode 101 to the right side of the guide block 1604 to bend, so that the pin of the diode 101 is bent. After the pin of the diode 101 is bent, Then, the second electric push rod 1201 drives the connecting frame 1202 and the cutting knife 1203 to move upward to reset, so that the connecting frame 1202 drives the guide rod frame 14 and the extrusion wheel 15 to move upward to reset. Subsequently, the second lead screw motor 903 drives the two movable frames 10 to move away from each other, so that the lower movable frame 10 drives the support table 11 and the guide block 1604 to move downward to reset, so that the support table 11 and the guide block 1604 are separated from the pin of the diode 101, and the upper movable frame 10 drives the pressing block 13, the adjusting frame 1601 and the roller 1603 to move upward to reset, so that the pressing block 13 is separated from the pin of the diode 101, thereby releasing the pin of the diode 101 from the limiting position. During this period, when the roller 1603 is separated from the left side of the guide block 1604, the spring 1602 returns to its original state, and the spring 1602 drives the adjusting frame 1601, the roller 1603, the guide rod frame 14 and the extrusion wheel 15 to move right to reset, thereby automatically restoring the position of the extrusion wheel 15. Then, the completed cutting and bending diode 101 is transferred away from the top of the supporting plate 2 by using the transfer device, and the lifting frame 5 is driven by the first electric push rod 802 to move downward to reset, so that the bottom end of the rubber sleeve 7 is pulled downward by the lifting frame 5, thereby gradually restoring the rubber sleeve 7 to its original state. The adjacent rubber sleeve 7 releases the pin residue after cutting, so that the pin residue is affected by gravity and falls downward onto the guide plate 1703. Then, the guide plate 1703 guides the pin residue to be discharged. When the rubber sleeve 7 returns to its original state, the lifting frame 5 drives the rubber sleeve 7 and the sliding frame 6 to move downward, so that the lower side of the sliding frame 6 is separated from the bottom of the sliding frame 4. Finally, the sliding frame 4 is driven by the first lead screw motor 801 to move left to reset, so that the sliding frame 4 drives the sliding frame 6 and the rubber sleeve 7 to move left to reset. In this way, the discharging operation of the diode 101 and the pin residue can be completed. In subsequent use, when it is necessary to adjust the pin bending length of the diode 101, the screwdriver is used to twist and rotate the screw rod 1605 or reverse it, so that the screw rod 1605 drives the guide block 1604 to move left or right, thereby adjusting the position of the guide block 1604, and further adjusting the pin bending length of the subsequent diode 101 (if the guide block 1604 is closer to the left, the inclined surface of the guide block 1604 can drive the roller 1603, the adjusting frame 1601, the guide rod frame 14 and the extrusion wheel 15 to move left more distance, so that the extrusion wheel 15 is closer to the connection between the pin and the diode 101, so that the extrusion wheel 15 can press and bend the pin longer area, and if the guide block 1604 is closer to the right, the opposite is true). After adjustment, the pin bending length adjustment operation of the diode 101 can be completed.

[0038] Referring to Figure 12 and Figure 13 As shown in the figure, further comprising rack 18, gear 19, linear drive 20 and limit wheel 21; two rack 18 are slidably arranged on the supporting plate 2, and the two rack 18 are distributed front and back; the gear 19 is rotatably arranged on the middle of the left and right sides of the bottom of the supporting plate 2, the front rack 18 is engaged with the two gears 19, and the rear rack 18 is also engaged with the two gears 19; the linear drive 20 is installed on the bottom of the supporting plate 2, and the telescopic rod of the linear drive 20 is connected with the rear rack 18; the limit wheel 21 is rotatably arranged on the upper side of the rack 18, and the limit wheel 21 is used for limiting the front and back of the diode 101.

[0039] Referring to Figure 12 As shown in the figure, further comprising guiding frame 22, limiting plate 23 and third lead screw motor 24; the guiding frame 22 is installed on the top rear side of the rack 1; the limiting plate 23 for limiting the left side of the diode 101 is slidably arranged in the guiding frame 22; the third lead screw motor 24 is installed on the right side of the guiding frame 22, and the lead screw of the third lead screw motor 24 is threadedly connected with the limiting plate 23.

[0040] When the diode 101 is transferred to the top of the supporting plate 2 by the transferring device, the telescopic rod of the linear driver 20 can be controlled to shorten, so that the telescopic rod of the linear driver 20 drives the rear rack 18 to move forward, thereby driving the front rack 18 to move backward through the transmission of the gear 19, until the limiting wheels 21 on the front and rear racks 18 respectively contact the front and rear sides of the diode 101, so that the front and rear limiting wheels 21 respectively limit the front and rear sides of the diode 101, then the limiting plate 23 is driven to move right by the third lead screw motor 24, so that the limiting plate 23 contacts the left side of the diode 101 and drives the diode 101 to move right, during which the diode 101 drives the limiting wheels 21 to roll, and the resistance of the diode 101 during movement can be reduced by arranging the limiting wheels 21, until the right side of the diode 101 contacts the abutting block on the top of the supporting plate 2, so that the limiting plate 23 and the abutting block respectively limit the left and right sides of the diode 101, so that the front, rear, left and right sides of the diode 101 are limited by the abutting block, the limiting wheels 21 and the limiting plate 23 on the top of the supporting plate 2, so as to prevent the diode 101 from deviating, so as to cut and bend the pins on the diode 101; after the pins of the diode 101 are bent, the telescopic rod of the linear driver 20 is controlled to lengthen, so that the telescopic rod of the linear driver 20 drives the rear rack 18 to move backward to reset, thereby driving the front rack 18 to move forward to reset through the transmission of the gear 19, so that the limiting wheels 21 on the front and rear racks 18 are separated from the front and rear sides of the diode 101, and then the limiting plate 23 is driven to move left to reset by the third lead screw motor 24, so that the limiting plate 23 is separated from the left side of the diode 101, so that the limiting wheels 21 and the limiting plate 23 are disengaged from the side of the diode 101, so as to discharge the diode 101 subsequently.

[0041] The above merely illustrates the specific implementation of the present application, but the protection scope of the present application is not limited to this, any person skilled in the art can easily think of changes or replacements within the technical range disclosed by the present application, which shall be covered within the protection scope of the present application.

Claims

1. A lead cutting device for diodes, comprising a frame (1), characterized in that, A support plate (2) for supporting diodes (101) is provided on the frame (1). A guide frame (3) is installed on the frame (1). A sliding frame (4) is slidably provided on the guide frame (3). A lifting frame (5) is slidably provided on the sliding frame (4). A sliding frame (6) is slidably provided on the lifting frame (5). A rubber sleeve (7) connected to the lifting frame (5) is provided on the sliding frame (6). The rubber sleeve (7) is used to clamp the pins of the diode (101) by deformation, and then the rubber sleeve (7) is moved to straighten the pins of the diode (101). A mechanism for driving the sliding frame (4) and the lifting frame (5) to move is provided on the guide frame (3). The drive mechanism has a guide mechanism on the side of the frame (1). Two movable frames (10) are connected to the guide mechanism. The guide mechanism is used to guide the movable frames (10) to move. One of the movable frames (10) is equipped with a support platform (11). The other movable frame (10) is equipped with a cutting mechanism and a pressure block (13). The cutting mechanism is used to cut off the pins of the diode (101). A guide rod frame (14) is slidably provided on the cutting mechanism. A pressing wheel (15) for bending the pins of the diode (101) is rotatably provided on the guide rod frame (14). The other movable frame (10) is also equipped with an adjustment mechanism for adjusting the position of the pressing wheel (15).

2. The lead cutting device for diodes according to claim 1, characterized in that, The drive mechanism includes a first lead screw motor (801) and a first electric push rod (802). The first lead screw motor (801) is installed on the side of the guide frame (3). The lead screw of the first lead screw motor (801) is threadedly connected to the sliding frame (4). The first electric push rod (802) is installed on the side of the sliding frame (4). The telescopic rod of the first electric push rod (802) is connected to the lifting frame (5).

3. A lead cutting device for diodes according to claim 1, characterized in that, The guiding mechanism includes a guide rail frame (901), a hydraulic cylinder (902), and a second lead screw motor (903). The guide rail frame (901) is slidably mounted on the side of the frame (1). Two movable frames (10) are slidably mounted on the guide rail frame (901). The hydraulic cylinder (902) is mounted on the side of the frame (1). The telescopic rod of the hydraulic cylinder (902) is connected to the guide rail frame (901). The second lead screw motor (903) is mounted on the guide rail frame (901). The lead screw of the second lead screw motor (903) is a bidirectional lead screw. The two movable frames (10) are threadedly connected to the two ends of the bidirectional lead screw.

4. A lead cutting device for diodes according to claim 1, characterized in that, The cutting mechanism includes a second electric push rod (1201), a connecting frame (1202), and a cutting blade (1203). The second electric push rod (1201) is mounted on another movable frame (10). The connecting frame (1202) is connected to the telescopic rod of the second electric push rod (1201). The guide rod frame (14) is slidably set on the connecting frame (1202). The cutting blade (1203) for cutting off the pins of the diode (101) is connected to the connecting frame (1202).

5. A lead cutting device for diodes according to claim 1, characterized in that, The adjustment mechanism includes an adjustment frame (1601), a spring (1602), a roller (1603), a guide block (1604), and a screw (1605). The adjustment frame (1601) is slidably mounted on another movable frame (10). The adjustment frame (1601) is slidably connected to the guide rod frame (14). A spring (1602) is provided between the adjustment frame (1601) and the other movable frame (10). A roller (1603) is rotatably mounted on the adjustment frame (1601). A guide block (1604) is slidably mounted on the support platform (11). The guide block (1604) is used to guide the roller (1603) to move. A screw (1605) is rotatably mounted on the support platform (11). The screw (1605) is threadedly connected to the guide block (1604).

6. A lead cutting device for diodes according to claim 1, characterized in that, It also includes a guide plate (1703), and the support platform (11) is provided with a guide plate (1703) for guiding the pins out.

7. A lead cutting device for diodes according to claim 1, characterized in that, It also includes a rack (18), a gear (19), a linear actuator (20) and a limiting wheel (21). Two racks (18) are slidably arranged on the support plate (2). A gear (19) is rotatably arranged at the bottom of the support plate (2). Both racks (18) mesh with the gear (19). A linear actuator (20) is installed at the bottom of the support plate (2). The telescopic rod of the linear actuator (20) is connected to one of the racks (18). A limiting wheel (21) is rotatably arranged on the rack (18) at intervals. The limiting wheel (21) is used to limit one or both sides of the diode (101).

8. A lead cutting device for diodes according to claim 1, characterized in that, It also includes a guide frame (22), a limiting plate (23) and a third lead screw motor (24). The guide frame (22) is installed on the frame (1). The limiting plate (23) for limiting the other sides of the diode (101) is slidably arranged inside the guide frame (22). The third lead screw motor (24) is installed on the guide frame (22). The lead screw of the third lead screw motor (24) is threadedly connected to the limiting plate (23).

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