阅读说明：本技术 一种晶体二极管套管折弯组件 (crystal diode sleeve pipe bending assembly ) 是由 楼显华 项家铭 骆宇飞 于 2019-08-26 设计创作，主要内容包括：本发明涉及电子元件加工技术领域。一种晶体二极管套管折弯组件,包括机架以及安装在机架上的胶管上料装置和折弯成型装置,胶管上料装置和折弯成型装置并排布置,分别用于套胶管和对电极折弯操作；所述的胶管上料装置包括支撑座、置料轮、导向孔座、摩擦驱动轮、上料电机、定位机构、安装板、裁切气缸、杠杆、上切刀、下切刀、推管气缸和推管块；所述的定位机构包括定位支撑座、定位气缸、导座、尖顶块、夹块、平顶块和夹块座；所述的折弯成型装置包括第二定位机构、折弯安装板、折弯气缸、转子、折弯齿条、折弯齿轮、悬伸杆和导轮。本发明设置定位机构,提高待套管二极管的位置精度,提高胶管的装入成功率,折弯高效,成品合格率高。(The invention relates to the technical field of electronic element processing. A bending assembly for a crystal diode sleeve comprises a rack, and a rubber tube feeding device and a bending forming device which are arranged on the rack, wherein the rubber tube feeding device and the bending forming device are arranged side by side and are respectively used for rubber tube sleeving and electrode bending operation; the rubber tube feeding device comprises a supporting seat, a material placing wheel, a guide hole seat, a friction driving wheel, a feeding motor, a positioning mechanism, a mounting plate, a cutting cylinder, a lever, an upper cutter, a lower cutter, a pipe pushing cylinder and a pipe pushing block; the positioning mechanism comprises a positioning support seat, a positioning cylinder, a guide seat, a sharp top block, a clamping block, a flat top block and a clamping block seat; the bending forming device comprises a second positioning mechanism, a bending mounting plate, a bending cylinder, a rotor, a bending rack, a bending gear, a suspension rod and a guide wheel. The invention is provided with the positioning mechanism, improves the position precision of the diode to be sleeved, improves the loading success rate of the rubber tube, has high bending efficiency and high finished product qualification rate.)

1. A bending assembly for a crystal diode sleeve is characterized by comprising a rack (1), and a rubber tube feeding device (6) and a bending forming device (7) which are arranged on the rack (1), wherein the rubber tube feeding device (6) and the bending forming device (7) are arranged side by side and are respectively used for rubber tube sleeving and electrode bending operation;

The rubber tube feeding device (6) comprises a supporting seat (61), a material placing wheel (62), a guide hole seat (63), a friction driving wheel (64), a feeding motor (65), a positioning mechanism (66), a mounting plate (67), a cutting cylinder (68), a lever (69), an upper cutter (610), a lower cutter (611), a pipe pushing cylinder (612) and a pipe pushing block (613); the supporting seat (61) is fixedly arranged on the rack, the material placing wheel (62) is arranged on the supporting seat (61) through a connecting piece, and the rubber tube coil is placed on the material placing wheel (62); the guide hole seats (63) are arranged on the supporting seat (61), two guide hole seats (63) are connected in series, an interval is reserved between the two guide hole seats, the feeding motor (65) is arranged on the supporting seat (61), the friction driving wheel (64) is arranged at the output end of the feeding motor (65), and the driven friction wheel (641) is arranged on the opposite side of the friction driving wheel (64); the friction driving wheel (64) is in contact with the driven friction wheel (641), and the rubber tube is positioned between the friction driving wheel and the driven friction wheel; the positioning mechanism (66) is arranged on the frame and corresponds to the discharge end of the guide hole seat (63); the mounting plate (67) is mounted on the supporting seat (61), the middle part of the mounting plate (67) is provided with a straight plate (671), the middle part of the lever (69) is hinged to the top end of the straight plate (671), the cutting cylinder (68) is fixedly arranged on the mounting plate (67), and the telescopic end of the cutting cylinder (68) is provided with a connecting rod connected with one end of the lever (69); the other end of the lever (69) is connected with the upper cutter (610) through a connecting rod, and the lower cutter (611) is positioned on the side of the upper cutter (610); the blade parts of the lower cutter (611) and the upper cutter (610) are opposite up and down, and the blade is V-shaped; the push pipe cylinder (612) is fixedly arranged on the mounting plate (67), the push pipe block (613) is movably connected to the mounting plate (67) through a sliding rail, and the push pipe block (613) is connected with the telescopic end of the push pipe cylinder (612).

2. The crystal diode bushing bending assembly according to claim 1, wherein the positioning mechanism (66) comprises a positioning support base (661), a positioning cylinder (662), a guide base (663), a sharp top block (664), a clamp block (665), a flat top block (666) and a clamp block base (667); the positioning support seat (661) is fixedly arranged on the rack, the positioning air cylinder (662) is arranged on the positioning support seat (661), the guide seat (663) is arranged on the side of the positioning support seat (661), the sharp top block (664) is movably matched in the guide seat (663), the sharp top block (664) is connected with the telescopic end of the positioning air cylinder (662), and the top of the sharp top block (664) is in a sharp top shape; the flat top block (666) is connected to the side of the sharp top block (664), and the flat top block (666) is pushed upwards by a pressed spring (668); the middle part of the clamping block (665) is provided with a rotating shaft, the clamping block (665) is hinged in a clamping block seat (667) through the rotating shaft, the clamping block seat (667) is movably matched in the guide seat (663), the lower end of the clamping block (665) is provided with a ball, and the upper end of the clamping block (665) is provided with a clamping finger.

3. The crystal diode bushing bending assembly according to claim 1 or 2, wherein the bending forming device (7) comprises a second positioning mechanism (71), a bending mounting plate (72), a bending cylinder (73), a rotor (74), two bending racks (75), two bending gears (76), an overhanging rod (77) and a guide wheel (78), the second positioning mechanism (71) is mounted on a rack, the bending mounting plate (72) is fixedly connected to the rack, the two rotors (74) are hinged to the bending mounting plate (72), the bending gears (76) are mounted in the middle of the rotor (74), the bending racks (75) are movably connected to the sides of the bending mounting plate (72), and the bending racks (75) are meshed with the bending gears (76); the bending cylinder (73) is arranged on the bending mounting plate (72), and the telescopic end of the bending cylinder (73) is connected with the bending rack (75); the suspension rod (77) is hinged at the eccentric position of the top ends of the two rotors (74), and the guide wheel (78) is arranged at the end part of the suspension rod (77).

4. Crystalline diode bushing bending assembly according to claim 1, 2 or 3, wherein the lower cutter (611) and the upper cutter (610) are provided with serrations on their inner sides, and a gear wheel is provided between the lower cutter (611) and the upper cutter (610) in engagement, said gear wheel being hinged to the mounting plate (67).

5. The crystal diode bushing bending assembly according to claim 1, 2 or 3, wherein the end of the push pipe block (613) is provided with a conical hole, and the middle of the conical hole is provided with a through hole.

6. The crystal diode bushing bending assembly according to claim 1, 2 or 3, wherein when the rubber hose feeding device (6) is in operation, the electrode of the diode is firstly positioned, the positioning cylinder (662) is lifted, the flat top block (666) is firstly lifted to push the clamping block seat (667) to integrally lift, after the clamping block seat (667) reaches the highest point, the spring (668) is pressed, the sharp top block (664) is lifted continuously, the two clamping blocks (665) are driven to rotate, the upper ends of the two clamping blocks are closed, the diode electrode in the clamping blocks is clamped, and positioning is completed; then a feeding motor (65) drives a friction driving wheel (64) to rotate to drive the rubber tube to discharge, the removed rubber tube is sleeved on the diode electrode, and then a cutting cylinder (68) extends to drive a lower cutter (611) and an upper cutter (610) to approach each other, so that the rubber tube arranged in the middle is cut off; in the next station, the pipe pushing cylinder (612) drives the pipe pushing block (613) to push out to push the rubber pipe.

7. A crystal diode casing bending assembly according to claim 1, 2 or 3, wherein when the bending forming device (7) is operated, the second positioning mechanism (71) clamps and positions the diode sleeved with the rubber tube, then the bending cylinder (73) drives the bending rack (75) to extend out, the rotor (74) is driven to rotate through rack-and-pinion transmission, and the suspension rod (77) is connected to the eccentric position of the rotor (74), so that the guide wheel (78) moves in a circular arc shape, and the electrode at the end of the diode is bent.

Technical Field

The invention relates to the technical field of electronic element processing, in particular to a crystal diode sleeve bending assembly.

Background

In the production and manufacturing process of electronic devices, a large number of electronic components are required, and with the continuous development of scientific technology, the application of the crystal diode is more and more extensive. Because the distance between the crystal diode and the electronic element is very small, phenomena such as short circuit, mutual interference and the like are easy to generate; in order to solve the problems of short circuit, mutual interference and the like between the crystal diode and the electronic element, a sleeve is sleeved on two pins of the crystal diode in the conventional common method. The diode sets up on the PCB board through the welded mode, because the PCB board needs the demand of structure smallness, so need improve the diode welding mode commonly used, reduce the distance between the original paper as far as possible, bend one section of diode, become two electrodes side by side to reduce spatial structure.

The patent with the patent name of full-automatic rotating disc type crystal diode sleeve forming machine is disclosed as CN207097783U by the national intellectual property office, and comprises a machine table, wherein a rotating disc type feeding mechanism, a sleeve conveying mechanism, a sleeve penetrating mechanism, a preheating device, a heat shrinkage mechanism and a forming mechanism are arranged on the machine table, the sleeve penetrating mechanism is arranged between the rotating disc type feeding mechanism and the sleeve conveying mechanism, the preheating device is arranged between the sleeve penetrating mechanism and the heat shrinkage mechanism, and the heat shrinkage mechanism is arranged between the preheating device and the forming mechanism. This patent adopts the mode that the equal sleeve pipe in both ends was bent for the spatial structure of diode is great, easily disturbs in the PCB board.

Disclosure of Invention

The purpose of the invention is: aiming at the defects in the prior art, the diode single-side sleeve bending assembly is provided, and the diode single-side sleeve bending assembly is accurate in positioning and efficient in bending.

For the purpose of the invention, the following technical scheme is adopted for realizing the purpose:

A bending assembly for a crystal diode sleeve comprises a rack, and a rubber tube feeding device and a bending forming device which are arranged on the rack, wherein the rubber tube feeding device and the bending forming device are arranged side by side and are respectively used for rubber tube sleeving and electrode bending operation.

The rubber tube feeding device comprises a supporting seat, a material placing wheel, a guide hole seat, a friction driving wheel, a feeding motor, a positioning mechanism, a mounting plate, a cutting cylinder, a lever, an upper cutter, a lower cutter, a pipe pushing cylinder and a pipe pushing block; the supporting seat is fixedly arranged on the rack, the material placing wheel is arranged on the supporting seat through a connecting piece, and the rubber tube coil is placed on the material placing wheel; the friction driving wheel is arranged at the output end of the feeding motor, and a driven friction wheel is arranged on the opposite side of the friction driving wheel; the friction driving wheel is in contact with the driven friction wheel, and the rubber tube is positioned between the friction driving wheel and the driven friction wheel; the positioning mechanism is arranged on the frame and corresponds to the discharge end of the guide hole seat; the mounting plate is mounted on the supporting seat, a straight plate is arranged in the middle of the mounting plate, the middle of the lever is hinged to the top end of the straight plate, the cutting cylinder is fixedly arranged on the mounting plate, and a connecting rod is arranged at the telescopic end of the cutting cylinder and connected with one end of the lever; the other end of the lever is connected with the upper cutter through a connecting rod, and the lower cutter is positioned on the side of the upper cutter; the blade parts of the lower cutter and the upper cutter are opposite up and down, and the blade is V-shaped; the push tube cylinder is fixedly arranged on the mounting plate, the push tube block is movably connected to the mounting plate through a sliding rail, and the push tube block is connected with the telescopic end of the push tube cylinder.

Preferably, the positioning mechanism comprises a positioning support seat, a positioning cylinder, a guide seat, a sharp top block, a clamping block, a flat top block and a clamping block seat; the positioning support seat is fixedly arranged on the rack, the positioning cylinder is arranged on the positioning support seat, the guide seat is arranged on the side of the positioning support seat, the sharp-top block is movably matched in the guide seat and is connected with the telescopic end of the positioning cylinder, and the top of the sharp-top block is in a sharp-top shape; the flat top block is connected to the side of the sharp top block and is pushed upwards by a pressed spring; the middle part of clamp splice is provided with the pivot, and the clamp splice articulates in the clamp splice seat through the pivot, the clamp splice seat remove the cooperation in the guide holder, the lower extreme of clamp splice is provided with the ball, and the upper end is provided with the clamp and indicates.

Preferably, the bending forming device comprises a second positioning mechanism, a bending mounting plate, a bending cylinder, two rotors, two bending racks, a bending gear, a suspension rod and a guide wheel, the second positioning mechanism is mounted on the rack, the bending mounting plate is fixed on the rack through a connecting piece, the two rotors are hinged to the bending mounting plate, the bending gear is mounted in the middle of the rotor, the bending racks are movably connected to the lateral sides of the bending mounting plate, and the bending racks are meshed with the bending gear; the bending cylinder is arranged on the bending mounting plate, and the telescopic end of the bending cylinder is connected with the bending rack; the suspension rod is hinged at the eccentric position of the top ends of the two rotors, and the guide wheel is arranged at the end part of the suspension rod.

Preferably, the inner sides of the lower cutter and the upper cutter are provided with insections, a gear which is meshed with the lower cutter and the upper cutter is arranged between the lower cutter and the upper cutter, and the gear is hinged on the mounting plate.

Preferably, the end part of the pipe pushing block is provided with a conical hole, and the middle part of the conical hole is provided with a through hole.

Preferably, when the rubber tube feeding device acts, the electrode of the diode is positioned firstly, the positioning cylinder ascends, the flat top block pushes the clamping block seat to ascend integrally, when the clamping block seat reaches the highest point, the spring is pressed, the sharp top block continuously ascends to drive the two clamping blocks to rotate, the upper ends of the two clamping blocks are closed, the diode electrode is clamped, and positioning is completed; then the feeding motor drives the friction driving wheel to rotate to drive the rubber tube to discharge, the removed rubber tube is sleeved on the diode electrode, and then the cutting cylinder extends to drive the lower cutter and the upper cutter to approach each other, so that the rubber tube arranged in the middle is cut off; and at the next station, the pipe pushing cylinder drives the pipe pushing block to push out to push the rubber pipe.

Preferably, when the bending forming device acts, the second positioning mechanism clamps and positions the diode sleeved with the rubber tube, then the bending cylinder drives the bending rack to extend out, the rotor is driven to rotate through gear and rack transmission, and the suspension rod is connected to the eccentric position of the rotor, so that the motion track of the guide wheel is arc-shaped, and the electrode at the end part of the diode is bent.

Compared with the prior art, the invention has the beneficial effects that: the rubber tube feeding device improves the position precision of the diode to be sleeved by arranging the positioning mechanism, and improves the loading success rate of the rubber tube; the positioning mechanism is an under-actuated mechanism, so that the lifting and clamping actions are realized by one cylinder and are carried out step by step, the mechanism is simpler, and the positioning efficiency is higher; the cutting mode that the lower cutter and the upper cutter are close to each other is improved, the phenomenon that the rubber tube is bent when being cut is prevented, the centering performance is better, and the cutting quality is better; the tapered pipe pushing block is arranged, so that the rubber pipe is sleeved at the correct position, and the qualification rate of products is improved. The bending forming device utilizes the motion track of the guide wheel to bend, and has the advantages of simple mechanism, high bending effect and high reliability.

Drawings

Fig. 1 is an exploded view of an embodiment of the present invention.

Fig. 2 is an exploded view of the hose feeding device.

Fig. 3 is an exploded view of the positioning mechanism.

Fig. 4 is an exploded view of the bending apparatus.

Detailed Description

As shown in fig. 1, a crystal diode casing pipe bending assembly comprises a frame 1, and a rubber pipe feeding device 6 and a bending forming device 7 which are installed on the frame 1, wherein the rubber pipe feeding device 6 and the bending forming device 7 are arranged side by side and are respectively used for rubber pipe sleeving and electrode bending operations.

As shown in fig. 2, the rubber tube feeding device 6 includes a supporting seat 61, a material placing wheel 62, a guiding hole seat 63, a friction driving wheel 64, a feeding motor 65, a positioning mechanism 66, a mounting plate 67, a cutting cylinder 68, a lever 69, an upper cutter 610, a lower cutter 611, a pipe pushing cylinder 612 and a pipe pushing block 613; the supporting seat 61 is fixedly arranged on the frame, the material placing wheel 62 is arranged on the supporting seat 61 through a connecting piece, and the rubber tube coil is placed on the material placing wheel 62; the guide hole seats 63 are arranged on the supporting seat 61, two guide hole seats 63 are arranged in series, an interval is reserved between the two guide hole seats 63, the feeding motor 65 is arranged on the supporting seat 61, the friction driving wheel 64 is arranged at the output end of the feeding motor 65, and the driven friction wheel 641 is arranged on the opposite side of the friction driving wheel 64; the friction driving wheel 64 is in contact with the driven friction wheel 641, and the rubber tube is positioned between the friction driving wheel 64 and the driven friction wheel 641; the positioning mechanism 66 is arranged on the frame and corresponds to the discharge end of the guide hole seat 63; the mounting plate 67 is mounted on the supporting seat 61, the middle part of the mounting plate 67 is provided with a straight plate 671, the middle part of the lever 69 is hinged to the top end of the straight plate 671, the cutting cylinder 68 is fixedly arranged on the mounting plate 67, and the telescopic end of the cutting cylinder 68 is provided with a connecting rod connected with one end of the lever 69; the other end of the lever 69 is connected with the upper cutter 610 through a connecting rod, the lower cutter 611 is positioned on the side of the upper cutter 610, insections are arranged on the inner sides of the lower cutter 611 and the upper cutter 610, and a meshed gear is arranged between the lower cutter 611 and the upper cutter 610 and is hinged to the mounting plate 67; the blade parts of the lower cutter 611 and the upper cutter 610 are opposite up and down, and the blade is in a V shape; the push pipe cylinder 612 is fixedly arranged on the mounting plate 67, the push pipe block 613 is movably connected to the mounting plate 67 through a slide rail, and the push pipe block 613 is connected with the telescopic end of the push pipe cylinder 612; the end of the push pipe block 613 is provided with a conical hole, and the middle of the conical hole is provided with a through hole.

As shown in fig. 3, the positioning mechanism 66 includes a positioning support pedestal 661, a positioning cylinder 662, a guide pedestal 663, a sharp top block 664, a clamp block 665, a flat top block 666 and a clamp block 667; the positioning support seat 661 is fixedly arranged on the frame, the positioning cylinder 662 is arranged on the positioning support seat 661, the guide seat 663 is arranged on the side of the positioning support seat 661, the sharp-top block 664 is movably matched in the guide seat 663, the sharp-top block 664 is connected with the telescopic end of the positioning cylinder 662, and the top of the sharp-top block 664 is in a sharp-top shape; the flat top block 666 is connected to the side of the sharp top block 664, and the flat top block 666 is upwards jacked by a pressed spring 668; the middle part of the clamp block 665 is provided with a rotating shaft, the clamp block 665 is hinged in a clamp block seat 667 through the rotating shaft, the clamp block seat 667 is movably matched in the guide seat 663, the lower end of the clamp block 665 is provided with a ball, and the upper end of the clamp block 665 is provided with a clamp finger.

When the rubber tube feeding device 6 works, firstly, the electrodes of the diodes are positioned, the positioning cylinder 662 ascends, firstly, the flat top block 666 jacks the clamp block seat 667 to ascend integrally, after the clamp block seat 667 reaches the highest point, the spring 668 is pressed, the sharp top block 664 continues to ascend, the two clamp blocks 665 are driven to rotate, the upper ends of the two clamp blocks are close to each other, the electrodes of the diodes are clamped, and positioning is finished; then the feeding motor 65 drives the friction driving wheel 64 to rotate to drive the rubber tube to discharge, the removed rubber tube is sleeved on the diode electrode, and then the cutting cylinder 68 extends to drive the lower cutter 611 and the upper cutter 610 to approach each other, so that the rubber tube arranged in the middle is cut off; at the next station, the tube pushing cylinder 612 drives the tube pushing block 613 to push out, so as to push the rubber tube in.

The rubber tube feeding device 6 solves the problems of low efficiency and poor precision of the diode sleeved rubber tube, improves the position precision of the diode to be sleeved by arranging the positioning mechanism 66, and improves the loading success rate of the rubber tube; the positioning mechanism 66 is an under-actuated mechanism, so that the two actions of lifting and clamping are realized by one cylinder and are carried out step by step, the mechanism is simpler, and the positioning efficiency is higher; the cutting mode that the lower cutter 611 and the upper cutter 610 are close to each other is improved, the phenomenon that the rubber tube is bent when being cut is prevented, the centering performance is better, and the cutting quality is better; the tapered pipe pushing block 613 is arranged to ensure that the rubber pipe is sleeved at the correct position, and the qualification rate of products is improved.

As shown in fig. 4, the bending and forming device 7 includes a second positioning mechanism 71, a bending mounting plate 72, a bending cylinder 73, a rotor 74, a bending rack 75, a bending gear 76, a cantilever rod 77 and a guide wheel 78, the second positioning mechanism 71 is mounted on the frame, the bending mounting plate 72 is fixed on the frame by a connector, the two rotors 74 are hinged to the bending mounting plate 72, the bending gear 76 is mounted in the middle of the rotor 74, the bending rack 75 is movably connected to the side of the bending mounting plate 72, and the bending rack 75 is engaged with the bending gear 76; the bending cylinder 73 is arranged on the bending mounting plate 72, and the telescopic end of the bending cylinder 73 is connected with the bending rack 75; a cantilever bar 77 is hinged at an eccentric position at the top end of the two rotors 74, and a guide pulley 78 is provided at the end of the cantilever bar 77.

when the bending forming device 7 works, the second positioning mechanism 71 clamps and positions the diode sleeved with the rubber tube, then the bending cylinder 73 drives the bending rack 75 to extend out, the rotor 74 is driven to rotate through gear and rack transmission, and the suspension rod 77 is connected to the eccentric position of the rotor 74, so that the motion track of the guide wheel 78 is in a circular arc shape, and the electrode at the end part of the diode is bent.

The bending forming device 7 performs bending by using the movement track of the guide wheel 78, and has the advantages of simple mechanism, high bending effect and high reliability.