Electroplating pin bending device

Abstract

A device for bending electroplated pins, wherein columns are arranged at both ends of a base, and guide plates are arranged on the columns; a first base is arranged between the columns, a second base is arranged above the first base, a servo motor is fixed on the second base through a fixing plate, and a synchronous pulley is arranged on the motor shaft; the servo motor is controlled by a PLC; a hollow shaft passes through the first base, and rolling bearings are respectively sleeved at both ends of the hollow shaft, and the outer ring of the rolling bearing is adapted to the first base; a synchronous belt is sleeved on the hollow shaft and the synchronous pulley; a C-shaped notch is arranged on the hollow shaft, and a third base is arranged at the C-shaped notch, a pressure block and a slider block are fixedly arranged on the third base, and a cylinder is arranged on the top of the third base, and the cylinder is connected to the slider; a bending seat is arranged on the inner wall of the hollow shaft; a bending block is arranged on the bending seat, and a ball bearing is arranged on the bending block. The invention solves the problems that the plating on the surface of the pin is easily scratched when bending in traditional bending equipment, the equipment cost is high, and the bending angle of the pin is uncontrollable.

Description

Technical Field

[0001] The invention relates to the technical field of automobile electronic component processing equipment, and in particular to an electroplating pin bending device. Background Art

[0002] At present, in the automotive electronic connector manufacturing industry, the bending methods of electroplated pins include mold bending, electronic cam structure bending, and bending using cylinders and rolling bearings. These bending devices all have some defects, such as the plating on the surface of the electroplated pins is easy to scratch, the equipment cost is high, and the pin bending angle is uncontrollable. Therefore, it is very important to invent a bending device with low cost, controllable bending angle, and high bending accuracy. Summary of the invention

[0003] The purpose of the present invention is to provide a plated pin bending device to solve the problems of easy scratching of the plating layer on the pin surface during bending by traditional bending equipment, high equipment cost and uncontrollable pin bending angle.

[0004] The technical solution adopted by the present invention to solve its technical problem is:

[0005] A plated pin bending device comprises a base, wherein two ends of the base are provided with columns, guide plates are provided on the columns, and one end of the guide plates is wide and the other end is narrow; a first base fixed on the base is also provided between the columns, a second base is provided above the first base, a servo motor is provided and fixed on the second base through a fixing plate, and a synchronous pulley is provided on the rotating shaft of the servo motor; the servo motor is controlled by a programmable logic controller (PLC);

[0006] A hollow shaft is inserted into the first base, and a first rolling bearing and a second rolling bearing are respectively adapted at both ends of the hollow shaft, and the outer rings of the first rolling bearing and the second rolling bearing are adapted to the first base; the synchronous belt is sleeved on the hollow shaft and the synchronous belt pulley;

[0007] The hollow shaft is provided with a C-shaped notch in the circumference, and a C-shaped third base connected to the base is provided at the C-shaped notch. A pressing block and a slider block are fixedly provided on the third base, and a cylinder is provided on the top of the third base. The cylinder is connected to a slider for pressing materials through a cylinder joint, and the slider passes through the pressing block and the slider block;

[0008] A bending support block with an inclined surface is fixedly connected to the position of the third base relative to the slider, and a raised bending seat is provided at the position of the inner wall of the hollow shaft corresponding to the bending support block; a bending block is fixedly provided on the bending seat, and a ball bearing for bending the pin is provided at one end of the bending block.

[0009] Furthermore, in order to avoid the trouble of manual feeding, facilitate automatic feeding by other feeding devices, and enhance stability during feeding, a step surface is provided on the guide plate, and a cover plate adapted to the step surface of the guide plate is provided on the guide plate, and a gap that can adapt to the thickness of the pin material is provided between the cover plate and the guide plate.

[0010] Furthermore, in order to be able to bend the required number of pins as required with greater flexibility, the guide plate and the cover plate are provided with recesses adapted to the bending blocks.

[0011] Furthermore, in order to enhance the tightness of the synchronous belt pulley and avoid slipping between the synchronous belt pulley and the hollow rotating shaft, an adjustment block for adjusting the tightness of the synchronous belt is also provided on the second base.

[0012] Furthermore, in order to avoid slippage between the synchronous pulley and the hollow rotating shaft, one end of the hollow rotating shaft is fixed to the synchronous pulley using a locking plate.

[0013] Furthermore, in order to prevent the outer rings of the first rolling bearing and the second rolling bearing from loosening with the hollow shaft, or the bearings from falling off the hollow shaft, the outer rings of the first rolling bearing and the second rolling bearing are respectively limited on the first base by fixing rings at both ends.

[0014] Furthermore, in order to prevent the inner rings of the first rolling bearing and the second rolling bearing from loosening and the hollow shaft, or the bearings from falling off the hollow shaft, the hollow shaft is T-shaped, and its thick shaft section is used to limit the inner ring of the first rolling bearing, while the thin shaft section is provided with a locking block for limiting the inner ring of the second rolling bearing.

[0015] Furthermore, in order to better accurately position the lead material, a guide pin is provided at the lower end of the slider.

[0016] Furthermore, in order to better prevent the plating on the pin surface from being worn, the bending is precisely controlled by rolling the bearing, and the ball bearing is a small-diameter deep-groove ball bearing.

[0017] The present invention provides an electroplated pin bending device, which can arbitrarily control the bending angle and bending speed, has high bending accuracy, and when bending the pin, the ball bearing on the bending block can roll and press the pin down, and the plating on the surface of the pin will not be scratched. At the same time, the equipment cost is low.

[0018] The present invention will be described in more detail below with reference to the accompanying drawings and embodiments. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 The present invention is a stereoscopic diagram of a device for bending electroplated pins.

[0020] Figure 2The figure is a front view of a device for bending electroplated pins according to the present invention.

[0021] Figure 3 for Figure 2 The AA cross-sectional view focuses on the bending mechanism inside the device.

[0022] Figure 4 The figure is a top view of a device for bending electroplated pins according to the present invention.

[0023] Figure 5 It is a partial structural stereoscopic diagram of a plated pin bending device in the present invention, focusing on the structural parts of the hollow shaft, bending block, guide plate, and cover plate that cooperate with the bending pin.

[0024] Figure 6 This is another partial structural stereoscopic diagram of a plating pin bending device in the present invention, focusing on the structural part of the cylinder pressing and positioning.

[0025] Figure 7 The present invention is a three-dimensional diagram of a first base and related connecting components in a plated pin bending device.

[0026] Figure 8 It is a structural stereogram of the hollow rotating shaft of the present invention.

[0027] Fig. 9 It is a structural stereogram of the bending support block and the ball bearing in the present invention.

[0028] Fig.10 It is a structural stereogram of the guide plate and the cover plate in the present invention. DETAILED DESCRIPTION

[0029] like Figures 1 to 4 A electroplating pin bending device shown in the figure includes a base 1, a column 2 is respectively provided at both ends of the base 1, a guide plate 3 is provided on the column 2, the guide plate 3 is wide at one end and narrow at the other end, the wide end of the guide plate 3 is used to place the pin material, and the narrow end is used to leave space for the bent pin; a first base 5 fixed to the base 1 is also provided between the two columns 2, and for the convenience of installation and fixation, the first base 5 can be set to be C-shaped; a second base 6 is provided above the first base 5, and the servo motor 7 is fixed to the second base 6 through a fixing plate 8, and the rotating shaft of the servo motor 7 can be set to pass through the second base 6 for easy fixation; a synchronous pulley 9 is provided on the rotating shaft of the servo motor 7; the servo motor 7 can use a programmable logic controller PLC to control its rotation angle and rotation speed, etc.

[0030] like Figure 2 , Figure 5 and Figure 7As shown, the first base 5 has two round holes, a hollow shaft 13 is set to pass through the round holes of the first base 5, and the two ends of the hollow shaft 13 are respectively adapted to be equipped with a first rolling bearing 121 and a second rolling bearing 122, and the outer rings of the first rolling bearing 121 and the second rolling bearing 122 are adapted to the round holes of the first base 5; the synchronous belt 14 is sleeved on the hollow shaft 13 and the synchronous pulley 9. The above arrangement allows the servo motor 7 to drive the hollow shaft 13 to rotate through the synchronous pulley 9 and the synchronous belt 14.

[0031] like Figure 8 As shown, a hollow shaft 13 is inserted into the first base 5, and a C-shaped notch 131 is arranged around the circumference of the hollow shaft 13. Figure 3 and Figure 6 As shown, a C-shaped third base 15 connected to the base 1 is provided at the C-shaped notch 131, and a pressure block 17 and a slider block 18 are fixedly provided on the third base 15. A cylinder 16 is provided on the top of the third base 15, and the piston rod of the cylinder 16 is connected to a slider 19 for pressing the material through a cylinder joint 161. The slider 19 is used to press the pin material during bending to prevent the pin material from moving, and the slider 19 passes through the pressure block 17 and the slider block 18.

[0032] like Figure 3 , Figure 6 , Figure 8 and Fig. 9 As shown, in order to better fix the pin material and better cooperate with the bending block 133 for precise bending, the position of the third base 15 relative to the slider 19 is also fixedly connected with a bending support block 20 with an inclined surface, and the inner wall of the hollow rotating shaft 13 is provided with a raised bending seat 132 corresponding to the bending support block 20, and the bending seat 132 can be set to a convex angle as shown in the figure; the bending block 133 is fixedly provided on the bending seat 132, and one end of the bending block 133 is provided with a ball bearing 134 for bending the pin.

[0033] like Fig.10 As shown, in order to avoid the trouble of manual feeding, facilitate automatic feeding by other feeding devices, and enhance the stability during feeding, the guide plate 3 is provided with a step surface, the guide plate 3 is provided with a cover plate 4 adapted to the step surface of the guide plate 3, and a gap that can adapt to the thickness of the pin material is provided between the cover plate 4 and the guide plate 3.

[0034] like Fig.10 As shown, in order to be able to bend the required number of pins as needed with greater flexibility, the guide plate 3 and the cover plate 4 are provided with recesses 31 adapted to the bending blocks 133 .

[0035] like Figure 1As shown, in order to strengthen the fastening of the synchronous belt pulley 14 and avoid slipping between the synchronous belt pulley 9 and the hollow shaft 13, an adjustment block 10 for fastening the synchronous belt 14 is also provided on the second base 6.

[0036] like Figure 2 As shown, in order to prevent slippage between the synchronous pulley 9 and the hollow shaft 13 , one end of the hollow shaft 13 is fixed to the synchronous pulley 9 using a locking piece 141 .

[0037] like Figure 4 and Figure 5 As shown, in order to prevent the outer rings of the first rolling bearing 121 and the second rolling bearing 122 from loosening and the hollow shaft 13, or the bearings from falling out of the hollow shaft 13, the outer rings of the first rolling bearing 121 and the second rolling bearing 122 are respectively limited on the first base 5 by fixing rings 111 and 112 at both ends.

[0038] like Figure 7 As shown, in order to prevent the inner rings of the first rolling bearing 121 and the second rolling bearing 122 from loosening and the hollow shaft 13, or the bearings from falling out of the hollow shaft 13, the hollow shaft 13 is T-shaped, and its thick shaft section 135 is used to limit the inner ring of the first rolling bearing 121, and its thin shaft section 136 is provided with a locking block 137 for limiting the inner ring of the second rolling bearing 122.

[0039] like Figure 3 and Figure 6 As shown, in order to better accurately position the lead material, a guide pin 191 is provided at the lower end of the slider 19.

[0040] In order to better prevent the coating on the pin surface from being worn, the bending is precisely controlled by rolling of the bearing, and the ball bearing 134 is a small-diameter deep-groove ball bearing.

[0041] When the equipment is working, a feeding device is used to feed the pin material through the gap between the guide plate 3 and the cover plate 4 to the bending part, that is, the notch 31. The cylinder 16 pushes the slider 19 and the guide pin 191 to position and fix the pin material connection part. Then the servo motor 7 drives the hollow shaft 13 to rotate a certain angle. The bending seat 132 on the hollow shaft 13 drives the bending block 133 to move. At the same time, the ball bearing 134 rolls down against the pin to accurately bend the pin at a certain angle.

[0042] The present invention is described above by way of example in conjunction with the accompanying drawings. It is obvious that the specific implementation of the present invention is not limited to the above-mentioned method. As long as various improvements are made using the method concept and technical solution of the present invention, or they are directly applied to other occasions without improvement, they all fall within the protection scope of the present invention.

Claims

1. A device for bending an electroplated pin, comprising a base (1), characterized in that: The base (1) is provided with columns (2) at both ends, and a guide plate (3) is provided on the columns (2), and the guide plate (3) is wide at one end and narrow at the other end; a first base (5) fixed to the base (1) is also provided between the columns (2), a second base (6) is provided above the first base (5), a servo motor (7) is fixed to the second base (6) via a fixing plate (8), and a synchronous pulley (9) is provided on the rotating shaft of the servo motor (7); the servo motor (7) is controlled by a programmable logic controller (PLC); A hollow rotating shaft (13) is inserted into the first base (5), and two ends of the hollow rotating shaft (13) are respectively adapted to be equipped with a first rolling bearing (121) and a second rolling bearing (122), and the outer rings of the first rolling bearing (121) and the second rolling bearing (122) are adapted to the first base (5); the synchronous belt (14) is sleeved on the hollow rotating shaft (13) and the synchronous belt pulley (9); A C-shaped notch (131) is provided on the circumferential surface of the hollow rotating shaft (13); a C-shaped third base (15) connected to the base (1) is provided at the C-shaped notch (131); a pressing block (17) and a slider block (18) are fixedly provided on the third base (15); a cylinder (16) is provided on the top of the third base (15); the cylinder (16) is connected to a slider (19) for pressing materials via a cylinder joint (161); and the slider (19) passes through the pressing block (17) and the slider block (18); A bending support block (20) with an inclined surface is fixedly connected to the third base (15) at a position relative to the slider (19); a raised bending seat (132) is provided at a position of the inner wall of the hollow shaft (13) corresponding to the bending support block (20); a bending block (133) is fixedly provided on the bending seat (132); a ball bearing (134) for bending the pin is provided at one end of the bending block (133); The guide plate (3) is provided with a step surface, the guide plate (3) is provided with a cover plate (4) adapted to the step surface of the guide plate (3), and a gap adapted to the thickness of the lead material is provided between the cover plate (4) and the guide plate (3).

2. The electroplating pin bending device according to claim 1, characterized in that: The guide plate (3) and the cover plate (4) are provided with a notch (31) adapted to fit the bending block (133).

3. The electroplating pin bending device according to claim 1, characterized in that: The second base (6) is also provided with an adjustment block (10) for fastening the synchronous belt (14).

4. The electroplating pin bending device according to claim 1, characterized in that: One end of the hollow rotating shaft (13) is fixed to the synchronous pulley (9) using a locking plate (141).

5. The electroplating pin bending device according to claim 1, characterized in that: The outer rings of the first rolling bearing (121) and the second rolling bearing (122) are respectively limited on the first base (5) by fixing rings (111, 112) at both ends.

6. The electroplating pin bending device according to claim 1, characterized in that: The hollow rotating shaft (13) is T-shaped, the thick shaft section (135) thereof is used to limit the inner ring of the first rolling bearing (121), and the thin shaft section (136) thereof is provided with a locking block (137) used to limit the inner ring of the second rolling bearing (122).

7. The electroplating pin bending device according to claim 1, characterized in that: A guide pin (191) is provided at the lower end of the slider (19).

8. The electroplating pin bending device according to claim 1, characterized in that: The ball bearing (134) is a small-diameter deep groove ball bearing.

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