Shaping disc device for to-can pins

Abstract

The utility model provides a kind of TO-CAN pin's shaping plugboard equipment, existing inserting machine cannot guarantee the technical problem of the precision of pin shaping.The utility model includes object carrier, and the top of object carrier is equipped with transfer device, and transfer device is movably equipped with feeding suction nozzle and branch pin suction nozzle, and object carrier is sequentially fixed with feeding tray, transfer positioning table and material tray, and feeding suction nozzle is respectively compatible with feeding tray, transfer positioning table, and branch pin suction nozzle is respectively compatible with transfer positioning table and material tray.The present application is equipped with high-precision branch pin piece and suction nozzle, which can finely shape the pin, and the accurate shaping and plugboard of the pin are realized by mechanical automation means, the consistency of pin shaping precision is ensured, and the production efficiency and quality are improved.

Description

Technical Field

[0001] This utility model relates to the technical field of TO-CAN packaging, and more particularly to a TO-CAN pin shaping and insertion device. Background Technology

[0002] TO-CAN (Transistor Outline CAN) is a common photodiode packaging method in the field of optical communication / optical sensing. During the TO-CAN production process, the pins of the TO-CAN need to be straightened and their angles widened to ensure that the pins can be accurately inserted into the test board. Therefore, the shaping accuracy of the TO-CAN pins directly affects the efficiency and accuracy of subsequent insertion testing.

[0003] Currently, most insertion machines in the industry only have the function of straightening pins. When operating products with small and dense pin diameters, it is difficult to guarantee the accuracy of pin shaping. At the same time, pin misalignment is prone to occur when inserting test boards, causing product quality problems.

[0004] Utility model patent application number 202220843683.7 discloses a DIP package chip pin shaping fixture, including a fixture base. Both the front and back of the fixture base are provided with front shaping fixtures. Each front shaping fixture includes a second pressing plate. Several second sliding rods are fixed to one side of the second pressing plate, and a second shaping plate is attached to one end of each second sliding rod. The front and back of the fixture base have sliding grooves, and the second sliding rod slides within these grooves. A lateral shaping fixture is installed on one side of the fixture base. This lateral shaping fixture includes a first sliding rod, one end of which is fixed with a first pressing plate, and several first shaping plates are fixed to one side of the first sliding rod. This utility model uses a second pressing plate to perform front pressing on the DIP package chip pins, can simultaneously shape multiple pins from the front, and can perform lateral pressing and shaping on the DIP package chip pins. Furthermore, the use of multiple first pressing plates allows for simultaneous shaping of all pins of the DIP package chip, improving the shaping efficiency of the fixture for DIP package chip pins. However, the device in the aforementioned patent is a manual device, and the DIP chip is small in size with pins typically arranged in two parallel rows with short spacing, making it unsuitable for TO-CAN products. Utility Model Content

[0005] To address the technical problem that existing insertion machines cannot guarantee the accuracy of pin shaping, this utility model proposes a pin shaping and insertion plate device for TO-CAN pins. Through a suction nozzle with lead-separating plates and a transfer device, the device straightens and widens the angle of TO-CAN pins, achieving automated and precise shaping of TO-CAN pins.

[0006] To achieve the above objectives, the technical solution of this utility model is implemented as follows:

[0007] The TO-CAN pin shaping and insertion device consists of three parts: loading, transfer, and unloading. After the loading nozzle picks up the TO-CAN pins, it sequentially places them into the storage tray. The pin-separating nozzle picks up the pins from the storage tray, straightens and widens the angle of the TO-CAN pins, and then inserts the TO-CAN into the conical shaping groove for fine pin shaping. The shaped TO-CAN is then placed into the unloading tray. The entire process is PLC-controlled, achieving reliable, accurate, and efficient automated shaping.

[0008] A shaping and inserting device for TO-CAN pins, characterized in that it includes a carrying tray, a transfer device is provided above the carrying tray, a feeding nozzle and a pin-separating nozzle are movably provided on the transfer device, a feeding tray, a transfer positioning platform and a material tray are fixedly arranged on the carrying tray in sequence, the feeding nozzle is adapted to the feeding tray and the transfer positioning platform respectively, and the pin-separating nozzle is adapted to the transfer positioning platform and the material tray respectively.

[0009] Preferably, the transfer positioning platform includes a storage tray, and the storage tray is provided with a shaping mechanism for shaping the TO-CAN pins.

[0010] Preferably, the shaping mechanism includes a shaping column fixed on a storage tray; the outer ring at the upper part of the shaping column is provided with equally spaced slots, which match the pins of the TO-CAN structure, and the pins can be precisely shaped into an equally spaced distribution through the slots.

[0011] Preferably, the storage tray is a disc with multiple storage holes. The storage holes are evenly distributed at equal intervals on the outer circumference of the storage tray. The storage holes are used to temporarily store the TO-CAN structure that needs to be shaped.

[0012] Preferably, the pin-separating nozzle includes a feeding nozzle and a pin-separating mechanism, with the pin-separating mechanism positioned directly below the feeding nozzle. The pin-separating mechanism comprises two symmetrically arranged pin-separating plates, each with pins at equal angles at its ends. The pins on the two pin-separating plates are symmetrically arranged. The pins on the pin-separating plates initially separate the pins of the TO-CAN structure.

[0013] Preferably, the transfer device is a cross slide table, which includes a robotic arm and slide rails. Both ends of the robotic arm are slidably connected to the slide rails on both sides via sliders I. The feeding nozzle and the splitting nozzle are slidably mounted side-by-side on the slide rails via sliders II. Through the cooperation of the robotic arm and slide rails, the transfer device enables the forward and backward and horizontal movement of the unloading nozzle and the splitting mechanism.

[0014] Preferably, slider I, slider II, feeding nozzle, unloading nozzle, and the splitting plate of the splitting mechanism are respectively connected to different pneumatic devices, and the pneumatic devices are connected to a PLC controller.

[0015] Preferably, the feeding and unloading nozzles are connected to a vacuum generator via a vacuum pipeline. A solenoid valve I is installed on the vacuum pipeline and is connected to a PLC controller. The pneumatic device includes a cylinder and a solenoid valve II. The solenoid valve II is located on the pipeline connecting the cylinder to the air source and is connected to the PLC controller. The PLC controller can control the negative pressure suction of the feeding and unloading nozzles. By controlling the solenoid valve on the pneumatic device, the movement of the robotic arm and slide rail, the up-and-down movement of the feeding and unloading nozzles, and the extension and retraction of the two legs of the splitting mechanism can be controlled.

[0016] Preferably, the transfer positioning platform is also equipped with a CCD camera, which is connected to a PLC controller; the lower part of the storage tray is connected to a servo motor, which is connected to a PLC controller; the shaping column is a conical shaping column, and the upper part of the shaping column is conical to match the TO-CAN structure.

[0017] Preferably, both the feeding tray and the material tray are single-layer multi-row and multi-column structures, and the feeding tray and the material tray are provided with multi-row and multi-column round holes to accommodate the TO-CAN structure; the feeding tray and the material tray are respectively fixed to the carrying tray by suction cups.

[0018] Compared with existing technologies, the beneficial effects of this utility model are as follows: The automated TO-CAN pin shaping and insertion equipment consists of a loading station, a transfer positioning table, and an unloading station. Driven by a three-way pneumatic robotic arm (left-right, front-back, and up-down), the loading nozzle sequentially places the TO-CAN pins into an eight-hole storage tray that can rotate 45° in steps. After the storage tray rotates to the pin-separating position, the pin-separating nozzle grabs the TO-CAN pin, first straightening and widening the angle, and then feeding it into a conical shaping column for fine shaping. After shaping, the pin-separating nozzle places the TO-CAN pin into the unloading tray. The entire machine uses a pneumatic + electronic control closed loop to achieve high-speed, high-precision, and low-static-damage continuous operation. This invention is equipped with high-precision pin-separating plates and nozzles, enabling fine shaping of the pins. Through mechanical automation, it achieves precise pin shaping and insertion, ensuring consistent pin shaping accuracy and improving production efficiency and quality. Attached Figure Description

[0019] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0020] Figure 1 This is a schematic diagram of the structure of this utility model.

[0021] Figure 2 for Figure 1 The diagram shows the structure of the segmented suction nozzle.

[0022] Figure 3 This is a structural diagram of the transfer positioning platform of this utility model.

[0023] Figure 4 This is a top view of the footed suction nozzle of this utility model.

[0024] In the diagram, 10 is the feeding tray, 11 is the feeding nozzle, 21 is the robotic arm, 22 is the slide rail, 3 is the transfer positioning platform, 31 is the storage tray, 32 is the shaping column, 33 is the storage hole, 40 is the splitting nozzle, 41 is the nozzle, 42 is the splitting mechanism, and 50 is the material tray. Detailed Implementation

[0025] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0026] like Figure 1 As shown, a TO-CAN pin shaping tray device includes a carrying tray, a transfer device above the carrying tray, and a loading suction nozzle 11 and a pin-separating suction nozzle 40 movably mounted on the transfer device. A loading tray 10, a transfer positioning platform 3, and a material tray 50 are sequentially fixed on the carrying tray. The loading suction nozzle 11 is adapted to the loading tray 10 and the transfer positioning platform 3, respectively, and the pin-separating suction nozzle 40 is adapted to the transfer positioning platform 3 and the material tray 50, respectively. The loading tray 10 is used to hold the TO-CAN structures to be shaped. The loading tray 10 has a single-layer, multi-row, multi-column structure with circular holes to accommodate multiple TO-CAN structures, ensuring continuous operation of the device. The loading tray 10 is fixed to the carrying tray by suction cups.

[0027] The feeding nozzle 11 is used to pick up the TO-CAN structure to be shaped from the feeding tray 10 and transport it to the transfer positioning stage 3. The pin-splitting nozzle 40 is used to pick up the TO-CAN structure on the transfer positioning stage 3 and perform preliminary pin splitting operation on the TO-CAN pins. The transfer positioning stage 3 is used to temporarily store the TO-CAN structure and to shape the TO-CAN structure after preliminary shaping.

[0028] like Figure 3As shown, the transfer positioning station 3 includes a storage tray 31, which is a circular disc with multiple storage holes 33 for temporarily storing TO-CAN structures. Eight equally spaced holes are arranged on the outer circumference of the storage tray 31. The transfer positioning station 3 is also equipped with a CCD camera, which is connected to a PLC controller to capture real-time images of the TO-CAN structure and compare them with a template to confirm its position. The CCD camera can be an MV-CA050-10GC industrial area array camera, and the PLC controller can be a DVP-ES2 series model. The storage tray 31 is driven by a servo motor, which outputs torque to rotate the storage position. The servo motor can be an ECMA-C20401GS series model.

[0029] A shaping mechanism is located in the center of the transfer positioning stage 3 to further shape the TO-CAN pins. The shaping mechanism includes a shaping post 32, which is positioned at the center of the storage tray 31 for further shaping the TO-CAN pins. The shaping post 32 is tapered, and its upper outer ring has equally spaced slots that mate with the TO-CAN pins. The number of slots can be selected according to the number of pins in the TO-CAN structure, thus adapting to different TO-CAN structures. The TO-CAN pins are inserted into the slots from the tapered end of the shaping post 32.

[0030] like Figure 1 As shown, the transfer device includes a robotic arm 21 and a slide rail 22. Both ends of the robotic arm 21 are slidably connected to the slide rails 22 on both sides via sliders. The feeding nozzle 11 and the split-feed nozzle 40 are slidably mounted side-by-side on the slide rails 22 via sliders. The robotic arm 21 is responsible for the left-right movement of the feeding nozzle 11 or the split-feed nozzle 40, while the slide rails 22 are responsible for the forward-backward movement of the feeding nozzle 11 or the split-feed nozzle 40. The movement of the robotic arm 21 and the slide rails 22 is driven by a pneumatic device, which mainly consists of a cylinder and a solenoid valve. The cylinder is located on one side of the robotic arm 21 or the slide rail 22 and is responsible for the sliding of the slider, thus realizing the left-right and forward-backward movement of the feeding nozzle 11. The solenoid valve is an SMC solenoid valve. The solenoid valve controls the air intake and exhaust of the cylinder through an electrical signal, thereby controlling the position of the feeding nozzle 11 or the split-feed nozzle 40 relative to the loading tray. When the solenoid valve opens, the cylinder extends, moving the robotic arm 21 to the target position, and then moving the feeding nozzle 11 or the split-feed nozzle 40 to the feeding tray 10, the transfer positioning table 3, or the material tray 50. After the gripping is completed, the solenoid valve switches, and the cylinder retracts, moving the feeding nozzle 11 or the split-feed nozzle 40 to the next workstation. The robotic arm 21 is horizontal, and the slide rail 22 is installed perpendicular to the horizontal direction. The robotic arm 21 and the slide rail 22 are slidably connected, forming a cross structure, i.e., a cross slide. The robotic arm 21 moves back and forth along the slide rail 22, and the feeding nozzle 11 and the split-feed nozzle 40 move horizontally along the robotic arm 21, thereby realizing the horizontal and back and forth movement of the nozzles.

[0031] The feeding nozzle 11 and the lead-separating nozzle 40 are fixed side-by-side to the robotic arm 21 by cylinders. During operation, the robotic arm 21 first moves to the feeding position, at which point the feeding nozzle 11 descends to pick up the material; the robotic arm 21 moves to the transfer positioning table 3, and the feeding nozzle 11 descends again to place the TO-CAN onto the storage tray 31; after the storage tray 31 rotates to the designated position, the lead-separating nozzle 40 descends to pick up the material and perform lead shaping. During operation, the feeding nozzle 11 and the lead-separating nozzle 40 are interlocked, meaning that when the feeding nozzle 11 is working, the lead-separating nozzle 40 is in a safe position and in turn, the feeding nozzle 11 is in a safe position and in turn, so that they do not interfere with each other during use.

[0032] The loading nozzle 11 grips the TO-CAN structure via vacuum adsorption. The loading nozzle 11 is slidably mounted on the robotic arm 21 via a slider. It is connected to a vacuum generator through a vacuum pipe, enabling the suction and release of the TO-CAN structure. A solenoid valve, connected to a PLC controller, is installed on the vacuum pipe. The vacuum generator provides a stable negative pressure, ensuring the loading nozzle 11 firmly holds the TO-CAN structure. The loading nozzle 11 is equipped with a pneumatic device, using a miniature cylinder to move its lower nozzle up and down. When the nozzle reaches the target position, the cylinder extends, lowering the nozzle to a predetermined height for adsorption of the TO-CAN structure. After adsorption, the cylinder retracts, and the nozzle rises back to its initial position. The movement of the loading nozzle 11 is controlled by its own pneumatic device, the robotic arm 21, and the slide rail 22, providing movement in three directions: up / down, left / right, and forward / backward.

[0033] like Figure 2As shown, the pin-separating nozzle 40 includes a feeding nozzle 41 and a pin-separating mechanism 42. The pin-separating mechanism 42 is fixed directly below the feeding nozzle 41. The feeding nozzle 41 is used to pick up TO-CAN structures; the pin-separating mechanism 42 is used to perform preliminary pin-separation operations on the pins of the TO-CAN structures. The feeding nozzle 41 is connected to a vacuum generator via a vacuum line. The pin-separating mechanism 42 is integrated with the feeding nozzle 41, and the preliminary pin-separation operation is achieved through a pneumatic device. The pin-separating mechanism 42 and the feeding nozzle 41 are respectively connected to different pneumatic devices, which are connected to a PLC controller. The pneumatic device on the feeding nozzle 41 controls the raising or lowering of the nozzle, and the pneumatic device connected to the pin-separating mechanism 42 controls the opening and closing of the pin-separating mechanism 42. The pneumatic device is a miniature cylinder. When the cylinder piston pushes outward, it causes the pin-separating mechanism 42 to open; when it resets, it causes the pin-separating mechanism 42 to retract. The lead-separating mechanism 42 includes two symmetrically arranged lead-separating plates. The ends of the lead-separating plates are provided with lead pins arranged at equal angles, and the lead pins on the two lead-separating plates are symmetrically arranged. After the feeding nozzle 41 picks up the TO-CAN structure, a pneumatic device connected to the lead-separating mechanism 42 controls the two lead-separating plates to open, minimizing the distance between the lead pins. The lead pins are inserted between the pins of the TO-CAN, and the feeding nozzle 41 rises. Due to the action of the lead pins, the initial lead separation is achieved.

[0034] The discharge position is used to store the shaped TO-CAN pins. A tray 50 is placed in the discharge position to hold the shaped TO-CAN pins. The tray 50 is designed with a single-layer, multi-row, multi-column structure, capable of accommodating multiple shaped TO-CAN pins, facilitating subsequent testing and aging processes. The tray 50 at the discharge position is fixed to the equipment by a positioning device, which is a suction cup, ensuring the stability of the tray 50's position. The pin-dispensing nozzle 40 places the shaped TO-CAN pins onto the tray 50, completing the discharge operation.

[0035] The working process of this utility model is as follows: The feeding nozzle 11 picks up the TO-CAN to be shaped from the feeding tray 10; simultaneously, after placing the TO-CAN structure into the designated storage hole 33 of the storage tray 31 on the transfer positioning platform, the feeding nozzle 11 picks up the TO-CAN under the negative pressure of the vacuum generator; the robotic arm 21 slides on the slide rail 22, moving the feeding nozzle 11 above the storage hole 33; the feeding nozzle 11, equipped with a micro cylinder, descends and rises to complete the material release, and the storage tray 31 rotates 45° clockwise so that the hole position of the next storage hole 33 is aligned with the nozzle of the feeding nozzle 11. The feeding nozzle 11 continues to place the TO-CAN structure in the next hole position, realizing continuous cyclic feeding. The robotic arm 21 moves back and forth along the slide rail 22, and the feeding nozzle 11 moves horizontally along the robotic arm 21, thereby realizing the horizontal and back and forth movement of the feeding nozzle 11. When the TO-CAN structure in the storage tray 31 rotates to below the lead-separating nozzle 40, the nozzle 40 picks up the TO-CAN structure from the hole in the storage tray 31. During this process, the cylinder performs a piston-pushing action, causing the lead-separating mechanism 42 to open, thus avoiding interference with the nozzle's pick-up. After picking up the structure, the two lead-separating plates of the lead-separating mechanism 42 close. Above this hole, the nozzle 40 rises to control the lead-separating mechanism 42 for initial lead separation. The nozzle 40 moves the initially lead-separated TO-CAN structure above the conical shaping post 32, inserting the TO-CAN structure's leads into the annular, equally spaced slots at the conical end of the shaping post 32. The downward pressure of the nozzle 40 ensures the TO-CAN leads achieve an evenly spaced, fixed-angle state within the slots, precisely shaping the TO-CAN leads to achieve this even spacing and fixed angle, thus completing the precise shaping process. The downward pressure of the split-type suction nozzle 40 is controlled by a cylinder. A solenoid valve controls the intake and exhaust of compressed air. When compressed air enters the cylinder, the piston extends and presses down the nozzle. When air enters the cylinder, the piston retracts and the nozzle rises. The shaped TO-CAN is removed from the slot of the shaping column 32 by the split-type suction nozzle 40 and placed in the material tray 50 at the discharge position.

[0036] The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A shaping and insertion device for TO-CAN pins, characterized in that, It includes a loading tray, and a transfer device is provided above the loading tray. The transfer device is movably equipped with a feeding nozzle (11) and a foot-separating nozzle (40). The loading tray is fixedly provided with a feeding tray (10), a transfer positioning platform (3) and a material tray (50) in sequence. The feeding nozzle (11) is adapted to the feeding tray (10) and the transfer positioning platform (3) respectively, and the foot-separating nozzle (40) is adapted to the transfer positioning platform (3) and the material tray (50) respectively.

2. The TO-CAN pin shaping and insertion device according to claim 1, characterized in that, The transfer positioning platform (3) includes a storage tray (31), and a shaping mechanism is provided on the storage tray (31).

3. The TO-CAN pin shaping and insertion device according to claim 2, characterized in that, The shaping mechanism includes a shaping column (32) which is fixed on a storage tray (31); the outer ring on the upper part of the shaping column (32) is provided with equally spaced slots, which are matched with the pins of the TO-CAN structure.

4. The TO-CAN pin shaping and insertion device according to claim 3, characterized in that, The storage tray (31) is a disc, and the storage tray (31) is provided with a plurality of storage holes (33), which are evenly distributed at equal intervals on the outer circumference of the storage tray (31).

5. The TO-CAN pin shaping and insertion device according to claim 4, characterized in that, The split-leg suction nozzle (40) includes a feeding suction nozzle (41) and a split-leg mechanism (42). The split-leg mechanism (42) is located directly below the feeding suction nozzle (41). The split-leg mechanism (42) includes two symmetrically arranged split-leg pieces. The ends of the split-leg pieces are provided with split-leg pins arranged at equal angles. The split-leg pins on the two split-leg pieces are symmetrically arranged.

6. The TO-CAN pin shaping and insertion device according to claim 1 or 5, characterized in that, The transfer device is a cross slide table, which includes a mechanical arm (21) and a slide rail (22). The two ends of the mechanical arm (21) are slidably connected to the slide rails (22) on both sides through slider I. The feeding nozzle (11) and the foot-split nozzle (40) are respectively slidably mounted on the slide rail (22) side by side through slider II.

7. The TO-CAN pin shaping and insertion device according to claim 6, characterized in that, The slider I, slider II, feeding nozzle (11), discharging nozzle (41), and splitting mechanism (42) are connected to different pneumatic devices, which are connected to a PLC controller.

8. The TO-CAN pin shaping and insertion device according to claim 7, characterized in that, The feeding nozzle (11) and the unloading nozzle (41) are connected to the vacuum generator through a vacuum pipe. The vacuum pipe is equipped with a solenoid valve I, which is connected to the PLC controller. The pneumatic device includes a cylinder and a solenoid valve II. The solenoid valve II is installed on the pipeline connecting the cylinder and the air source, and is connected to the PLC controller.

9. The TO-CAN pin shaping and insertion device according to claim 4, characterized in that, The transfer positioning platform (3) is also equipped with a CCD camera, which is connected to the PLC controller; the lower part of the storage tray (31) is connected to the servo motor, which is connected to the PLC controller; the shaping column (32) is a conical shaping column, and the upper part of the shaping column (32) is conical and matches the TO-CAN structure.

10. The TO-CAN pin shaping and insertion device according to claim 1 or 9, characterized in that, The feeding tray (10) and the material tray (50) are both single-layer multi-row and multi-column structures. The feeding tray (10) and the material tray (50) are provided with multi-row and multi-column round holes to accommodate the TO-CAN structure. The feeding tray (10) and the material tray (50) are respectively fixed on the carrier tray by suction cups.

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