Terminal pin bending device

Abstract

The invention relates to the technical field of electronic component processing equipment, in particular to a terminal pin bending device, which realizes synchronous and symmetrical bending of pins on two sides of an electronic device through synchronous opposite movement of two groups of bending modules arranged in mirror symmetry, ensures complete synchronism of bending movement on two sides, and improves the processing efficiency. Meanwhile, the bending module is provided with an extrusion part, a check block is arranged at the bottom of the material disc, guide sliding grooves are symmetrically formed in the two sides of the check block, and the guide sliding grooves are matched with the extrusion part, so that it is ensured that the pins are evenly stressed in the bending process, and the pins are effectively prevented from being deformed and damaged; in addition, a linear conveying assembly is arranged to achieve accurate positioning and conveying of the trays; the jacking assembly drives the bending assembly to ascend and descend stably, and mutual interference among multiple mechanisms is avoided. The lifting module is used for quickly lifting and positioning the charging tray; the downward pressing mechanism applies stable downward pressing force to the electronic device, displacement of the electronic device in the bending process is prevented, and the bending quality is ensured.

Description

Technical Field

[0001] The present invention relates to the technical field of electronic component processing equipment, in particular to a terminal pin bending device. Background Art

[0002] In the field of electronic component manufacturing, bending terminal pins is one of the key processing steps, and its processing quality directly affects the reliability of subsequent assembly and welding. At present, common pin bending equipment mostly adopts single-sided bending or step-by-step bending methods, that is, first bending the pins on one side, and then bending the other side. This processing method is not only inefficient and difficult to adapt to the needs of mass production, but also because there may be deviations in the force and position of the two bends, it is easy to cause asymmetric bending angles of the pins on both sides, affecting product consistency. In addition, some equipment adopts a multi-station design to improve efficiency, but the structure is complex and occupies a large space, which increases equipment cost and maintenance difficulty. Summary of the Invention

[0003] Based on this, an object of the present invention is to provide a terminal pin bending device.

[0004] The present invention adopts the following technical solutions:

[0005] A terminal pin bending device is used to bend the pins on both sides of the bottom of an electronic device, comprising:

[0006] substrate;

[0007] A product feeding mechanism, comprising a linear conveying assembly provided on the upper end of the substrate and a material tray detachably mounted on the linear conveying assembly, wherein the material tray is provided with a material trough for carrying electronic components;

[0008] A bending mechanism, the bending mechanism comprising a lifting assembly provided on the base plate and a bending assembly fixed to the lifting assembly, the bending assembly comprising two sets of bending modules arranged in mirror symmetry;

[0009] Among them, after the linear conveying component drives the material tray to move to the bending station, the lifting component drives the bending component to rise to the working height; the two groups of bending modules move synchronously towards each other to achieve synchronous and symmetrical bending of the pins on both sides of the bottom of the electronic device in the material trough.

[0010] Preferably, the bending module includes a pushing cylinder, a movable block connected to the transmission end of the pushing cylinder, and an extrusion piece fixed to the top of the movable block, and the extrusion piece is provided with a bending forming surface; the pushing cylinder drives the movable block to perform linear motion, so that the bending forming surface of the extrusion piece contacts the pin and completes the bending.

[0011] Preferably, the trough is arranged in the middle of the tray, the trough is provided with a through hole vertically penetrating the tray, the through hole is used for passing the pin of the electronic device, the bottom of the tray is provided with a stopper, two sides of the stopper are symmetrically provided with a guide sliding groove, the guide sliding groove is communicated with the through hole in the vertical direction, and the extrusion piece slides along the side wall of the guide sliding groove to bend the pin passing through the through hole.

[0012] Preferably, the linear conveying assembly comprises a first connecting frame, a second connecting frame, a first belt conveying module and a second belt conveying module; the first connecting frame and the second connecting frame are arranged in parallel, the first belt conveying module is arranged on the first connecting frame, and the second belt conveying module is arranged on the second connecting frame; the tray is detachably mounted on the first belt conveying module and the second belt conveying module, and the first belt conveying module and the second belt conveying module drive the tray to move synchronously.

[0013] Preferably, the linear conveying assembly comprises a first connecting frame, a second connecting frame, a first belt conveying module and a second belt conveying module; the first connecting frame and the second connecting frame are arranged in parallel, the first belt conveying module is arranged on the first connecting frame, and the second belt conveying module is arranged on the second connecting frame; the tray is detachably mounted on the first belt conveying module and the second belt conveying module, and the first belt conveying module and the second belt conveying module drive the tray to move synchronously.

[0014] Preferably, the first connecting frame and the second connecting frame are provided with lifting modules on opposite surfaces, the lifting module comprises a lifting cylinder and a lifting plate connected in drive mode; the lifting cylinder drives the lifting plate to vertically move upward, so as to lift the tray, and make the tray separate from the first belt conveying module and the second belt conveying module.

[0015] Preferably, the linear conveying assembly comprises a first connecting frame, a second connecting frame, a first belt conveying module and a second belt conveying module; the first connecting frame and the second connecting frame are arranged in parallel, the first belt conveying module is arranged on the first connecting frame, and the second belt conveying module is arranged on the second connecting frame; the tray is detachably mounted on the first belt conveying module and the second belt conveying module, and the first belt conveying module and the second belt conveying module drive the tray to move synchronously.

[0016] Preferably, the linear conveying assembly is provided with a plurality of position detection modules arranged at equal intervals in the conveying direction, the position detection module comprises a support frame fixed on the linear conveying assembly and a position detection sensor fixed on the support frame, and the sensing end of the position detection sensor is arranged in a downward inclination mode.

[0017] Preferably, the jacking assembly includes a jacking cylinder and a jacking plate, the jacking cylinder is fixed to the bottom of the base plate, the telescopic shaft of the jacking cylinder vertically passes through the base plate, the jacking plate is arranged above the base plate and connected to the telescopic shaft of the jacking cylinder, and the bending assembly is arranged on the top of the jacking plate; the jacking cylinder drives the jacking plate to move vertically upward to drive the bending assembly to rise to the working height.

[0018] Preferably, a vertically arranged guide column is provided at the bottom of the jacking plate, and a guide sleeve is embedded in the base plate; the guide column cooperates with the guide sleeve to limit the lifting and lowering of the jacking plate in the vertical direction.

[0019] The beneficial effects of the present invention are:

[0020] The terminal pin bending device involved in the present invention realizes synchronous symmetrical bending of the pins on both sides of the electronic device through the synchronous movement of two groups of bending modules arranged in mirror symmetry, ensuring the complete synchronization of the bending movements on both sides and improving the processing efficiency; at the same time, the bending module is provided with an extrusion part, and a block is provided at the bottom of the material tray. Guide slides are symmetrically opened on both sides of the block, and the guide slides and the extrusion part cooperate with each other to ensure that the pins are uniformly stressed during the bending process, effectively preventing the pins from deformation and damage; in addition, a linear conveying component is provided to realize precise positioning and conveying of the material tray; the lifting component drives the bending component to rise and fall smoothly to avoid mutual interference between multiple mechanisms; the lifting module realizes rapid lifting and positioning of the material tray; the pressing mechanism applies stable downward pressure to the electronic device to prevent the electronic device from displacement during the bending process and ensure the bending quality; each mechanism cooperates to jointly ensure the stable implementation of the synchronous bending process. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is a structural schematic diagram of the terminal pin bending device of the present invention;

[0022] Figure 2 for Figure 1 Schematic diagram of the structure explosion of the terminal pin bending device;

[0023] Figure 3 for Figure 1 An exploded structural diagram of the terminal pin bending device from another angle;

[0024] Figure 4 for Figure 1 A schematic diagram of the structure of the terminal pin bending device with some components hidden;

[0025] Figure 5 for Figure 4 The terminal pin bending device further hides the main view of some components;

[0026] Figure 6 for Figure 5The structure explosion schematic view of the terminal pin bending device;

[0027] Figure 7 The structure schematic view of the bending module in the application.

[0028] The figure label:

[0029] 10 - substrate; 11 - guide sleeve;

[0030] 20 - linear conveying assembly; 20a - feeding end; 20b - bending station; 20c - discharging end; 21 - first connecting frame; 22 - second connecting frame; 23 - first belt conveying module; 24 - second belt conveying module;

[0031] 30 - transverse adjusting assembly; 31 - connecting seat; 32 - adjusting screw; 33 - guide rod; 34 - rotating hand wheel;

[0032] 40 - lifting module; 41 - lifting cylinder; 42 - lifting plate;

[0033] 50 - position detection module; 51 - support frame; 52 - position detection sensor;

[0034] 60 - tray; 61 - trough; 62 - through hole; 63 - stop block; 64 - guide sliding groove; 65 - convex strip;

[0035] 70 - jacking assembly; 71 - jacking cylinder; 72 - jacking plate; 73 - guide column;

[0036] 80 - bending module; 81 - pushing cylinder; 82 - movable block; 83 - extrusion piece; 831 - bending forming surface;

[0037] 90 - pressing mechanism; 91 - pressing cylinder; 92 - pressing plate; 93 - pressing rod. DETAILED DESCRIPTION

[0038] The technical solutions in the embodiments of the application will be described clearly and completely below with reference to the drawings in the embodiments of the application. Obviously, the described embodiments are only part of the embodiments of the application, rather than all the embodiments of the application. Based on the embodiments in the application, all other embodiments obtained by those skilled in the art without creative work fall within the protection scope of the application.

[0039] In the description of the present invention, it should be noted that the terms "vertical," "upper," "lower," and "horizontal," etc., indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings and are intended solely to facilitate the description of the present invention and simplify the description. They are not intended to indicate or imply that the devices or components referred to must have, be constructed, or operate in a specific orientation, and therefore should not be construed as limitations on the present invention. Furthermore, the terms "first," "second," "third," and "fourth" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0040] It should also be noted that, in the description of the present invention, unless otherwise expressly specified or limited, the terms "disposed," "installed," "connected," and "connected" should be understood in a broad sense. For example, they may refer to fixed connections, detachable connections, or integral connections; they may refer to mechanical connections or electrical connections; they may refer to direct connections or connections through an intermediate medium; and they may refer to internal communication between two components. Those skilled in the art will understand the specific meanings of the above terms in the present invention based on specific circumstances.

[0041] like Figures 1 to 7 As shown, the terminal pin bending device of the present invention can bend the pins on both sides of the bottom of the electronic device at the same time. The above-mentioned terminal pin bending device includes a substrate 10, a product feeding mechanism and a bending mechanism. The product feeding mechanism includes a linear conveying assembly 20 provided on the upper end of the substrate 10 and a material tray 60 detachably mounted on the linear conveying assembly 20, and the material tray 60 is provided with a material trough 61 for carrying electronic devices. The bending mechanism includes a lifting assembly 70 provided on the substrate 10 and a bending assembly fixed on the lifting assembly 70, and the bending assembly includes two groups of bending modules 80 arranged in a mirror-symmetrical manner. During processing, the electronic devices are loaded into the material trough 61 of the material tray 60; the linear conveying assembly 20 drives the material tray 60 to move to the bending station 20b, as shown Figure 5 As shown, the lifting assembly 70 drives the bending assembly to the working height. Two sets of bending modules 80 move synchronously toward each other, symmetrically bending the leads on both sides of the bottom of the electronic components in the trough 61. The fully symmetrical design and synchronous drive control of the bending modules 80 on both sides not only maintain highly consistent bending angles on both sides, but also reduce the bending process time to half that of traditional processes, significantly improving production efficiency.

[0042] See also Figures 2 to 4The linear conveying assembly 20 comprises a first connecting frame 21, a second connecting frame 22, a first belt conveying module 23, and a second belt conveying module 24. The first connecting frame 21 is arranged in parallel with the second connecting frame 22. The first belt conveying module 23 is arranged on the first connecting frame 21, and the second belt conveying module 24 is arranged on the second connecting frame 22. The tray 60 is detachably mounted on the first belt conveying module 23 and the second belt conveying module 24, and the first belt conveying module 23 and the second belt conveying module 24 synchronously drive the tray 60 to move. In this embodiment, the first belt conveying module 23 and the second belt conveying module 24 have the same structure, and the first belt conveying module 23 will be described separately. The first belt conveying module 23 comprises a transmission belt, a roller set, and a driving motor. The roller set comprises a driving roller connected with the transmission belt and a plurality of driven rollers. The driving motor is connected with the driving roller, and drives the driving roller to rotate to drive the transmission belt to roll. The belt driving mechanism makes the conveying of the tray 60 stable and ensures the precision of feeding. In addition, as shown in FIG. 2, the linear conveying assembly 20 comprises a feeding end 20a, a bending station 20b, and a discharging end 20c. The rolling directions of the first belt conveying module 23 and the second belt conveying module 24 are consistent, and the tray 60 can be driven to pass through the feeding end 20a, the bending station 20b, and the discharging end 20c in sequence. Figure 2

[0043] Specifically, the transverse adjusting assembly 30 is further included. The transverse adjusting assembly 30 comprises a connecting seat 31, an adjusting screw 32, and a guide rod 33. The connecting seat 31 is fixed to the side of the second connecting frame 22 away from the first connecting frame 21. The two ends of the adjusting screw 32 are rotatably connected with the first connecting frame 21 and the connecting seat 31 through bearings, and the adjusting screw 32 is threadedly connected with the second connecting frame 22. The guide rod 33 is arranged in parallel with the adjusting screw 32, and the two ends thereof are fixedly connected with the first connecting frame 21 and the connecting seat 31. The second connecting frame 22 is slidably connected with the guide rod 33. In the early debugging process, the adjusting screw 32 is driven to rotate, which can drive the second connecting frame 22 to move along the guide rod 33, thereby adjusting the distance between the first connecting frame 21 and the second connecting frame 22, so as to adapt to trays 60 of different widths and improve the adaptability of the linear conveying assembly 20. It should be noted that, as shown in FIG. 3, the adjusting screw 32 is connected with a rotating handle 34 in this embodiment, and the operator adjusts the distance between the first connecting frame 21 and the second connecting frame 22 by rotating the handle 34. In addition, the adjusting screw 32 can also be connected with a servo motor to drive the adjusting screw 32 to rotate. Figure 4

[0044] ​​Specifically, since the first belt conveying module 23 and the second belt conveying module 24 are in a continuous rotating working state, the opposite surfaces of the first connecting frame 21 and the second connecting frame 22 are provided with lifting modules 40, which include drivingly connected lifting cylinders 41 and lifting plates 42; the lifting cylinders 41 drive the lifting plates 42 to vertically move upward, and the lifting plates 42 can lift the tray 60, so that the tray 60 is separated from the first belt conveying module 23 and the second belt conveying module 24 and stops conveying, so as to facilitate the subsequent bending process.

[0045] Specifically, the linear conveying assembly 20 is provided with a plurality of position detection modules 50 arranged at equal intervals along the conveying direction, the position detection module 50 including a support frame 51 fixed to the linear conveying assembly 20 and a position detection sensor 52 fixed to the support frame 51, the sensing end of the position detection sensor 52 being downwardly inclined to be aligned with the inner side of the linear conveying assembly 20 to detect whether the tray 60 exists. In the embodiment, the position detection sensor 52 is an infrared sensor, and specifically, three position detection modules 50 are provided, which are arranged at the feeding end 20a, the bending station 20b and the discharging end 20c of the linear conveying assembly 20, respectively, so as to monitor the corresponding position of the tray 60 on the linear conveying assembly 20 in real time.

[0046] Please refer to Figure 2 , Figure 3 and Figure 6 , the trough 61 is arranged at the middle part of the tray 60, the bottom of the trough 61 is provided with a through hole 62 vertically penetrating the tray 60, the through hole 62 is used for passing the pins of the electronic device. The bottom of the tray 60 is provided with a stop block 63, the two sides of the stop block 63 are symmetrically provided with guide sliding grooves 64, the guide sliding grooves 64 are communicated with the through hole 62 in the vertical direction. The stop block 63 can block the pins in the non-processing position to avoid misprocessing. In addition, the outer edge of the tray 60 is provided with a convex strip 65, the convex strip 65 abuts against the first belt conveying module 23 and the second belt conveying module 24, so as to realize the conveying of the tray 60.

[0047] Please refer to Figure 2 and Figure 3The jacking assembly 70 comprises a jacking cylinder 71 and a jacking plate 72, the jacking cylinder 71 is fixed to the bottom of the base plate 10, the telescopic shaft of the jacking cylinder 71 vertically penetrates the base plate 10, the jacking plate 72 is arranged above the base plate 10 and is connected with the telescopic shaft of the jacking cylinder 71, and the bending assembly is arranged at the top of the jacking plate 72; the jacking cylinder 71 drives the jacking plate 72 to vertically move upwards, so as to drive the bending assembly to rise to a working height, thereby facilitating the subsequent bending process. The jacking assembly 70 is arranged to drive the bending assembly to move up and down; when the tray 60 is conveyed, the bending assembly can be lowered to a low position, so as to avoid interference with the tray 60 in the feeding process, and ensure smooth feeding process; in the bending process, the jacking assembly 70 accurately lifts the bending assembly to the working height, so that the bending die set 80 is accurately aligned with the electronic device pin. The lifting structure not only ensures the smooth feeding path, but also realizes accurate positioning of the bending operation, and effectively solves the space interference problem of the traditional fixed bending mechanism. Further, the bottom of the jacking plate 72 is provided with a vertical guide column 73, and the base plate 10 is embedded with a guide sleeve 11; the guide column 73 cooperates with the guide sleeve 11 to limit the vertical lifting of the jacking plate 72.

[0048] Please refer to Figures 5 to 7 The bending die set 80 comprises a pushing cylinder 81, a movable block 82 connected to the transmission end of the pushing cylinder 81, and an extrusion piece 83 fixed to the top of the movable block 82, and the extrusion piece 83 is provided with a bending forming surface 831. The pushing cylinder 81 drives the movable block 82 to move linearly, so that the bending forming surface 831 of the extrusion piece 83 is in contact with the pin and completes the bending. At the same time, the extrusion piece 83 cooperates with the guide chute 64, the extrusion piece 83 slides along the side wall of the guide chute 64, the movement direction of the extrusion piece 83 is limited, the extrusion piece 83 is prevented from deviating, and the stress uniformity of the pin in the bending process is ensured, and the pin deformation or damage is effectively prevented.

[0049] Please refer to Figures 1 to 3 Further comprising a pressing mechanism 90, the pressing mechanism 90 comprises a pressing cylinder 91 fixed above the linear conveying assembly 20 and a pressing plate 92 arranged at the lower end of the pressing cylinder 91; the bottom of the pressing plate 92 is provided with a plurality of pressing rods 93; the pressing cylinder 91 drives the pressing plate 92 to vertically move downwards, the pressing rods 93 press the electronic device in the material groove 61, the shaking of the electronic device in the bending process is avoided, and the processing quality is improved. The pressing rods 93 are arranged corresponding to the shape structure of the electronic device, and mainly press the corners of the electronic device.

[0050] The working principle of the terminal pin bending device is as follows:

[0051] Step S1, the electronic device is loaded into the material groove 61 of the tray 60;

[0052] Step S2, the linear conveying assembly 20 conveys the tray 60 to the bending station 20b; the lifting module 40 lifts the tray 60, so that the tray 60 is separated from the first belt conveying module 23 and the second belt conveying module 24, and the conveying is stopped;

[0053] Step S3, the pressing mechanism 90 presses the electronic device in the tray 60; at the same time, the jacking assembly 70 jacks up the bending assembly to the working height, so that the bending module 80 is aligned with the pins of the electronic device;

[0054] Step S4, the two groups of bending modules 80 synchronously move towards each other to synchronously and symmetrically bend the pins on both sides of the bottom of the electronic device in the tray 61;

[0055] Step S5, the lifting module 40, the pressing mechanism 90 and the jacking assembly 70 are reset, and the linear conveying assembly 20 drives the tray 60 to discharge.

[0056] Compared with the prior art, the terminal pin bending device relates to the synchronous and symmetric bending of the pins on both sides of the electronic device through the synchronous movement of the two groups of mirror-symmetrically arranged bending modules 80, ensures the complete synchronization of the bending movement on both sides, and improves the processing efficiency; at the same time, the bending module 80 is provided with the extrusion piece 83, the bottom of the tray 60 is provided with the stop block 63, the guide sliding grooves 64 are symmetrically arranged on both sides of the stop block 63, the guide sliding grooves 64 and the extrusion piece 83 are matched with each other, the stress on the pins is uniform during the bending process, and the deformation and damage of the pins are effectively prevented; in addition, the linear conveying assembly 20 is arranged to realize the accurate positioning and conveying of the tray 60; the jacking assembly 70 stably lifts the bending assembly, and avoids the mutual interference between the multiple mechanisms; the lifting module 40 realizes the rapid lifting and positioning of the tray 60; the pressing mechanism 90 applies a stable pressing force to the electronic device, prevents the displacement of the electronic device during the bending process, and ensures the bending quality; the mechanisms are cooperated with each other, and the stable implementation of the synchronous bending process is collectively ensured.

[0057] The above only expresses the preferred technical solutions of the present application, which are described in detail, but cannot be understood as the limitation of the scope of the present application. It should be pointed out that, for ordinary skilled in the art, without departing from the concept of the present application, a number of modifications and improvements can be made, and the present application also intends to include these modifications and improvements.

Claims

1. A terminal pin bending device for bending the pins on both sides of the bottom of an electronic device, characterized in that: include: substrate; A product feeding mechanism, comprising a linear conveying assembly provided on the upper end of the substrate and a material tray detachably mounted on the linear conveying assembly, wherein the material tray is provided with a material trough for carrying electronic components; A bending mechanism, the bending mechanism comprising a lifting assembly provided on the base plate and a bending assembly fixed to the lifting assembly, the bending assembly comprising two sets of bending modules arranged in mirror symmetry; Among them, after the linear conveying component drives the material tray to move to the bending station, the lifting component drives the bending component to rise to the working height; the two groups of bending modules move synchronously towards each other to achieve synchronous and symmetrical bending of the pins on both sides of the electronic devices in the material trough.

2. The terminal pin bending device according to claim 1, characterized in that: The bending module includes a pushing cylinder, a movable block connected to the transmission end of the pushing cylinder, and an extrusion piece fixed to the top of the movable block, and the extrusion piece is provided with a bending forming surface; the pushing cylinder drives the movable block to perform linear motion, so that the bending forming surface of the extrusion piece contacts the pin and completes the bending.

3. The terminal pin bending device according to claim 2, characterized in that: The material trough is arranged in the middle of the material tray, and the material trough is provided with a through hole vertically passing through the material tray, and the through hole is used for the pins of the electronic device to pass through; a stop block is provided at the bottom of the material tray, and guide grooves are symmetrically opened on both sides of the stop block, and the guide grooves are connected with the through hole in the vertical direction, and the extrusion piece slides along the side wall of the guide groove to bend the pins passing through the through hole.

4. The terminal pin bending device according to claim 1, characterized in that: The linear conveying assembly includes a first connecting frame, a second connecting frame, a first belt conveyor module, and a second belt conveyor module; the first connecting frame and the second connecting frame are arranged in parallel, the first belt conveyor module is arranged on the first connecting frame, and the second belt conveyor module is arranged on the second connecting frame; the material tray is detachably mounted on the first belt conveyor module and the second belt conveyor module, and the first belt conveyor module and the second belt conveyor module synchronously drive the material tray to move.

5. The terminal pin bending device according to claim 4, characterized in that: It also includes a lateral adjustment component; the lateral adjustment component includes a connecting seat, an adjusting screw, and a guide rod; the connecting seat is fixed to the side of the second connecting frame away from the first connecting frame; the two ends of the adjusting screw are rotatably connected to the first connecting frame and the connecting seat respectively, and the adjusting screw is threadedly engaged with the second connecting frame; the guide rod is arranged parallel to the adjusting screw, and the two ends are fixedly connected to the first connecting frame and the connecting seat respectively; the second connecting frame is slidably connected to the guide rod; when the adjusting screw rotates, the second connecting frame moves along the guide rod to adjust the distance between the first connecting frame and the second connecting frame.

6. The terminal pin bending device according to claim 4, characterized in that: The opposite surfaces of the first connecting frame and the second connecting frame are both provided with lifting modules, and the lifting modules include a lifting cylinder and a lifting plate that are driven and connected; the lifting cylinder drives the lifting plate to move vertically upward to lift the material tray, so that the material tray is separated from the first belt conveyor module and the second belt conveyor module.

7. The terminal pin bending device according to claim 1, characterized in that: It also includes a downward pressing mechanism, which includes a downward pressing cylinder fixed above the linear conveying assembly and a downward pressing plate arranged at the lower end of the downward pressing cylinder; a plurality of pressing rods are provided at the bottom of the downward pressing plate; the downward pressing cylinder drives the downward pressing plate to move vertically downward, so that the pressing rods press down the electronic devices in the material trough.

8. The terminal pin bending device according to claim 1, characterized in that: The linear conveying assembly is provided with a plurality of position detection modules arranged equidistantly along the conveying direction. The position detection module includes a support frame fixed on the linear conveying assembly and a position detection sensor fixed on the support frame. The sensing end of the position detection sensor is arranged to be tilted downward.

9. The terminal pin bending device according to claim 1, characterized in that: The jacking assembly includes a jacking cylinder and a jacking plate. The jacking cylinder is fixed to the bottom of the base plate. The telescopic shaft of the jacking cylinder vertically passes through the base plate. The jacking plate is arranged above the base plate and connected to the telescopic shaft of the jacking cylinder. The bending assembly is arranged on the top of the jacking plate; the jacking cylinder drives the jacking plate to move vertically upward to drive the bending assembly to rise to the working height.

10. The terminal pin bending device according to claim 9, characterized in that: A vertically arranged guide column is provided at the bottom of the jacking plate, and a guide sleeve is embedded in the base plate; the guide column cooperates with the guide sleeve to limit the lifting and lowering of the jacking plate in the vertical direction.

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