CN215432407U - PCB high-precision automatic pin nailing mechanism - Google Patents

Abstract

The utility model discloses a PCB high-precision automatic pin nailing mechanism which comprises a supporting frame, wherein the top of one side of the supporting frame is connected with two hydraulic lifting rods through bolts, the piston ends of the hydraulic lifting rods are connected with an L-shaped frame through bolts, one side of the top of the L-shaped frame is connected with a motor through bolts, the output shaft of the motor is connected with a movable plate through bolts, the bottom of the movable plate is provided with a transverse groove, the inner wall of the transverse groove is connected with a sliding seat in a sliding mode, an electric push rod is connected between one side of the sliding seat and one side of the transverse groove through bolts, and the bottom of the sliding seat is connected with a nailing mechanism through bolts. The metal support plate is used for ejecting the pin to the upper part of the rubber plate, so that the pin and the rubber plate are looser, and the material taking is facilitated.

Description

PCB high-precision automatic pin nailing mechanism

Technical Field

The utility model relates to the technical field of PCBs (printed circuit boards), in particular to a PCB high-precision automatic pin nailing mechanism.

Background

The PCB is also called a printed circuit board, and is a provider of electrical connection of electronic components, and the PCB can be divided into a single-sided board, a double-sided board, a four-layered board, a six-layered board, and other multi-layered circuit boards according to the number of layers of the circuit board. The pin positioning is an indispensable operation flow in the production process of the PCB.

At present, each board is manually placed on a machine for processing in a pin punching process of a PCB, and when a certain position of the PCB is accurately pinned, if the bottom of the PCB is not supported, the punching force during pinning easily causes the problem of PCB fracture; if the PCB is supported, the pin is easily driven into the supporting structure, and therefore, a high-precision automatic pinning mechanism for PCB is needed to solve the above problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the defects in the prior art and provides a PCB high-precision automatic pinning mechanism.

In order to achieve the purpose, the utility model adopts the following technical scheme:

a PCB high-precision automatic pin nailing mechanism comprises a supporting frame, wherein the top of one side of the supporting frame is connected with two hydraulic lifting rods through bolts, the piston end of each hydraulic lifting rod is connected with an L-shaped frame through bolts, one side of the top of the L-shaped frame is connected with a motor through bolts, the output shaft of the motor is connected with a movable plate through bolts, the bottom of the movable plate is provided with a transverse groove, the inner wall of the transverse groove is connected with a sliding seat in a sliding manner, an electric push rod is connected between one side of the sliding seat and one side of the transverse groove through bolts, the bottom of the sliding seat is connected with a nailing mechanism through bolts, the top surface of the supporting frame is connected with a rubber plate through bolts, a plurality of first springs are welded on the inner wall of the top of the supporting frame, a metal supporting plate is welded on the top of the first springs, the top of the metal supporting plate is in contact with the bottom of the rubber plate, a Z-shaped plate is welded on the bottom of one side of the L-shaped frame, and one end of the metal supporting plate is welded with a pressing plate, and the top of the pressing plate is contacted with the bottom of the Z-shaped plate.

Preferably, the nailing mechanism includes the mounting panel, and one side outer wall of mounting panel has the cylinder through bolted connection, and open at one side top of mounting panel has perpendicular groove, and the piston end of cylinder has the U type pole that passes perpendicular groove through bolted connection, the opposite side of mounting panel has a gun barrel through bolted connection, and the other end of U type pole has the ram rod of pegging graft in a gun barrel through bolted connection, and the welding has the feeding structure between the opposite side top of mounting panel and one side top of a gun barrel.

Preferably, the feeding structure is including welding at mounting panel opposite side top and storage frame, and the one end of storage frame is provided with sealed lid, and the welding has the curved unloading pipe that is between the bottom one end of storage frame and the one side top of a gun section of thick bamboo, and the welding of one side inner wall of storage frame has a plurality of second springs, and the welding of the one end of second spring has the propulsion board.

Preferably, the bottom of the circumferential inner wall of the gun barrel is welded with an annular ring, the top of the annular ring is of a circular arc surface structure, the circumferential inner wall of the annular ring is bonded with a rubber ring, and the diameter of the stamping rod is smaller than the inner diameter of the annular ring.

Preferably, the bottom of a gun section of thick bamboo both sides all welds has the swash plate, and the bottom of swash plate all has infrared lamp through bolted connection, and infrared lamp's spotlight is the same point.

Preferably, there is the control box one side outer wall of carriage through bolted connection, and electric connection between control box and cylinder, motor, hydraulic lifting rod, infrared lamp and the electric putter, spacing hole has all been opened at top one side both ends of carriage, and the gag lever post of pegging graft in spacing downthehole is all welded at the bottom both ends of L type frame.

Preferably, the first spring is replaced by two steel sheets, the steel sheets are of arc structures, the oval blocking columns are welded between the inner walls of the two sides of the supporting frame, and the oval blocking columns are located in the middle of the two steel sheets.

The utility model has the beneficial effects that:

1. through the supporting frame, the rubber plate, the hydraulic lifting rod, the L-shaped frame, the motor, the movable plate, the transverse groove, the electric push rod, the sliding seat, the nailing mechanism, the gun barrel and the infrared lamp, the PCB is placed at the top of the rubber plate, the heights of the L-shaped frame and the nailing mechanism are reduced through the hydraulic lifting rod, the bottom of the gun barrel is close to the top of the PCB, the infrared lamp is started, the light gathering point of the infrared lamp is the same point, when the nailing operation is carried out on a certain position of the PCB, the transverse position of the nailing mechanism can be adjusted through the electric push rod, the movable plate is driven to rotate through the motor, the rotation angle of the nailing mechanism is adjusted, the light gathering point of the infrared lamp is conveniently coincided with the nailing position, and then the nailing mechanism, the mounting plate, the material storage frame, the second spring, the propelling plate, the discharging pipe, the gun barrel, the annular ring, the rubber ring, the air cylinder, the U-shaped rod and the punching rod are arranged, can place the pin in the inside of storage frame in proper order, in pushing away the unloading pipe with the pin through the impetus of second spring and propulsion board, leak into annular circle again, and make the pin overlap joint circle at rubber, reduce the height of U type pole and ram rod through the cylinder, utilize ram rod to dash out the pin from a gun section of thick bamboo, be convenient for carry out accurate pinning to the different positions of PCB board and handle, and protect the processing to the PCB board through the rubber slab, cracked problem appears when preventing the nailing.

2. Through the carriage that sets up, the rubber slab, the metal support board, the pressing plate, first spring, the Z template, L type frame and hydraulic lifting rod, when reducing the height of L type frame, the height of pressing plate is pressed to accessible Z template, make metal support board and rubber slab break away from, make first spring shrink, the inside condition of pin embedding rubber slab can appear in the nailing in-process, usable hydraulic lifting rod drives L type frame back that resets, the flexible effect through first spring drives the metal support board and resets, thereby utilize the metal support board to push up the top of rubber slab with the pin, it is more not hard up between pin meeting and the rubber slab this moment, be convenient for get the material.

3. Through the carriage, metal support plate, steel sheet and the oval bumping post that set up, the elastic action of accessible steel sheet self carries out the position to metal support plate and resets to the deformation position of accessible oval bumping post to the steel sheet supports and keeps off, highly injects the processing moving down of metal support plate, thereby can prescribe a limit to the height that moves down of Z template, L type frame and nailing mechanism and handle.

Drawings

Fig. 1 is a schematic view of an overall structure of a high-precision automatic pinning mechanism for a PCB according to embodiment 1;

fig. 2 is a schematic structural view of a first spring and a metal support plate of a high-precision automatic pinning mechanism for a PCB in embodiment 1;

fig. 3 is a schematic structural diagram of a nailing mechanism of a high-precision automatic nailing mechanism for PCBs according to embodiment 1;

fig. 4 is a schematic cross-sectional structural view of a nailing mechanism of a high-precision automatic nailing mechanism for PCBs as proposed in embodiment 1;

fig. 5 is a schematic structural view of a steel sheet and an oval pin of the high-precision automatic pinning mechanism of the PCB in embodiment 2.

In the figure: 1. a support frame; 2. a control box; 3. a rubber plate; 4. a barrel; 5. a cylinder; 6. mounting a plate; 7. a material storage frame; 8. a movable plate; 9. a motor; 10. an L-shaped frame; 11. a hydraulic lifting rod; 12. a Z-shaped plate; 13. a limiting rod; 14. a first spring; 15. a metal support plate; 16. a pressing plate; 17. a U-shaped rod; 18. a vertical slot; 19. a stamping rod; 20. an infrared lamp; 21. a discharging pipe; 22. an electric push rod; 23. a second spring; 24. a propulsion plate; 25. an annular ring; 26. a rubber ring; 27. a steel sheet; 28. an oval-shaped bumping post.

Detailed Description

The technical solution of the present patent will be described in further detail with reference to the following embodiments.

Reference will now be made in detail to embodiments of the present patent, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present patent and are not to be construed as limiting the present patent.

In the description of this patent, it is to be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientations and positional relationships indicated in the drawings for the convenience of describing the patent and for the simplicity of description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the patent.

In the description of this patent, it is noted that unless otherwise specifically stated or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly and can include, for example, fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed. The specific meaning of the above terms in this patent may be understood by those of ordinary skill in the art as appropriate.

Example 1

Referring to fig. 1-4, a high-precision automatic pin striking mechanism for a PCB comprises a supporting frame 1, wherein the top of one side of the supporting frame 1 is connected with two hydraulic lifting rods 11 through bolts, the piston end of each hydraulic lifting rod 11 is connected with an L-shaped frame 10 through a bolt, one side of the top of each L-shaped frame 10 is connected with a motor 9 through a bolt, the output shaft of each motor 9 is connected with a movable plate 8 through a bolt, the bottom of each movable plate 8 is provided with a transverse groove, the inner wall of each transverse groove is connected with a sliding seat in a sliding manner, an electric push rod 22 is connected between one side of each sliding seat and one side of each transverse groove through a bolt, the bottom of each sliding seat is connected with a nailing mechanism through a bolt, the top surface of the supporting frame 1 is connected with a rubber plate 3 through a bolt, a plurality of first springs 14 are welded on the inner wall of the top of the supporting frame 1, a metal supporting plate 15 is welded on the top of each first spring 14, and the top of the metal supporting plate 15 is in contact with the bottom of the rubber plate 3, the welding of one side bottom of L type frame 10 has Z template 12, and the one end welding of metal support plate 15 has press plate 16, the top of press plate 16 contacts with the bottom of Z template 12, protect the processing to the PCB board through rubber slab 3, cracked problem appears when preventing the nailing, when reducing the height of L type frame 10, accessible Z template 12 pressure moves the height of press plate 16, make metal support plate 15 and rubber slab 3 break away from, make the shrink of first spring 14, the inside condition of pin embedding rubber slab 3 can appear in the nailing in-process, usable hydraulic lifting rod 11 drives the L type frame 10 back that resets, flexible effect through first spring 14 drives metal support plate 15 and resets, utilize metal support plate 15 to push up the pin to the top of rubber slab 3, the pin can be more not hard up with between the rubber slab 3 this moment, be convenient for get the material.

Wherein, nailing mechanism includes mounting panel 6, and one side outer wall of mounting panel 6 has cylinder 5 through bolted connection, open at one side top of mounting panel 6 has vertical slot 18, the piston end of cylinder 5 has the U type pole 17 that passes vertical slot 18 through bolted connection, the opposite side of mounting panel 6 has a barrel 4 through bolted connection, and the other end of U type pole 17 has the punching press pole 19 of pegging graft in barrel 4 through bolted connection, the welding has the feeding structure between the opposite side top of mounting panel 6 and one side top of barrel 4.

Wherein, the feeding structure is including welding at 6 opposite side tops of mounting panel and storage frame 7, and the one end of storage frame 7 is provided with sealed lid, and the welding has curved unloading pipe 21 between the bottom one end of storage frame 7 and the top of one side of barrel 4, and the welding of one side inner wall of storage frame 7 has a plurality of second springs 23, and the welding of the one end of second spring 23 has propulsion plate 24.

Wherein, the welding of the circumference inner wall bottom of barrel 4 has annular ring 25, and the top of annular ring 25 sets up to the arc surface structure, the circumference inner wall bonding of annular ring 25 has rubber circle 26, the diameter of punching press pole 19 is less than the internal diameter of annular ring 25, can place the pin in the inside of storage frame 7 in proper order, pushing away the pin in unloading pipe 21 through second spring 23 and propulsion board 24's impetus, leak into annular ring 25 again, and make the pin overlap joint on rubber circle 26, reduce the height of U type pole 17 and punching press pole 19 through cylinder 5, utilize punching press pole 19 to follow the pin and dash out in barrel 4, be convenient for carry out accurate pinning to the different positions of PCB board and handle.

Wherein, the swash plate has all been welded to 4 both sides bottoms of a gun section of thick bamboo, and the bottom of swash plate all has infrared lamp 20 through bolted connection, infrared lamp 20's spotlight point is with a little, start infrared lamp 20, when carrying out the nailing operation to a certain position of PCB board, the lateral position of nailing mechanism is adjusted to accessible electric putter 22, it rotates to drive fly leaf 8 through motor 9, adjust the rotation angle of nailing mechanism, be convenient for with infrared lamp 20's spotlight point and nailing position coincidence, realize accurate nailing and handle.

Wherein, there is control box 2 one side outer wall of carriage 1 through bolted connection, and electric connection between control box 2 and cylinder 5, motor 9, hydraulic lifting rod 11, infrared lamp 20 and the electric putter 22, and spacing hole has all been opened at top one side both ends of carriage 1, and the gag lever post 13 of pegging graft in spacing downthehole is all welded at the bottom both ends of L type frame 10.

The working principle is as follows: when the nailing machine is used, a user places a PCB at the top of the rubber plate 3, the heights of the L-shaped frame 10 and the nailing mechanism are reduced through the hydraulic lifting rod 11, the bottom of the gun barrel 4 is close to the top of the PCB, the infrared lamp 20 is started, the light-gathering point of the infrared lamp 20 is the same point, when nailing operation is carried out on a certain position of the PCB, the transverse position of the nailing mechanism can be adjusted through the electric push rod 22, the movable plate 8 is driven to rotate through the motor 9, the rotation angle of the nailing mechanism is adjusted, the light-gathering point of the infrared lamp 20 is conveniently coincided with the nailing position, the user can place pins in the storage frame 7 in sequence, the pins are pushed into the blanking pipe 21 through the pushing action of the second spring 23 and the pushing plate 24 and then leak into the annular ring 25, the pins are overlapped on the rubber ring 26, the heights of the U-shaped rod 17 and the punching rod 19 are reduced through the air cylinder 5, utilize punching press pole 19 to go out the pin from gun barrel 4, be convenient for carry out accurate pinning to the different positions of PCB board and handle, and protect the processing to the PCB board through rubber slab 3, cracked problem appears when preventing the nailing, when reducing the height of L type frame 10, accessible Z type board 12 presses the height of pressing plate 16, make metal support plate 15 break away from with rubber slab 3, make the shrink of first spring 14, the condition of pin embedding rubber slab 3 inside can appear in the nailing process, usable hydraulic lifting rod 11 drives L type frame 10 and resets the back, flexible effect through first spring 14 drives metal support plate 15 and resets, thereby utilize metal support plate 15 to push up the pin to the top of rubber slab 3, the pin can be more not hard up with between the rubber slab 3 this moment, be convenient for get the material.

Example 2

Referring to fig. 5, in the present embodiment, compared with embodiment 1, the first spring 14 is replaced with two steel sheets 27, the steel sheets 27 are arc-shaped, an elliptical blocking column 28 is welded between the inner walls of two sides of the support frame 1, and the elliptical blocking column 28 is located in the middle of the two steel sheets 27.

The working principle is as follows: when the device is used, the metal supporting plate 15 can be subjected to position resetting treatment through the elastic action of the steel sheet 27, the deformed position of the steel sheet 27 can be resisted through the oval blocking column 28, the downward moving height of the metal supporting plate 15 is limited, and therefore the downward moving heights of the Z-shaped plate 12, the L-shaped frame 10 and the nailing mechanism can be limited.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.

Claims (7)

1. The PCB high-precision automatic pin nailing mechanism comprises a supporting frame (1) and is characterized in that the top of one side of the supporting frame (1) is connected with two hydraulic lifting rods (11) through bolts, the piston end of each hydraulic lifting rod (11) is connected with an L-shaped frame (10) through bolts, one side of the top of each L-shaped frame (10) is connected with a motor (9) through bolts, an output shaft of each motor (9) is connected with a movable plate (8) through bolts, the bottom of each movable plate (8) is provided with a transverse groove, the inner wall of each transverse groove is connected with a sliding seat in a sliding manner, an electric push rod (22) is connected between one side of each sliding seat and one side of each transverse groove through bolts, the bottom of each sliding seat is connected with a nailing mechanism through bolts, the top surface of the supporting frame (1) is connected with a rubber plate (3) through bolts, and the inner wall of the top of the supporting frame (1) is welded with a plurality of first springs (14), the top welding of first spring (14) has metal support plate (15), and the top of metal support plate (15) contacts with the bottom of rubber slab (3), one side bottom welding of L type frame (10) has Z template (12), and the one end welding of metal support plate (15) has pressure board (16), and the top of pressure board (16) contacts with the bottom of Z template (12).

2. The PCB high-precision automatic pin driving mechanism according to claim 1, wherein the pin driving mechanism comprises a mounting plate (6), an air cylinder (5) is connected to the outer wall of one side of the mounting plate (6) through a bolt, a vertical groove (18) is formed in the top of one side of the mounting plate (6), a U-shaped rod (17) penetrating through the vertical groove (18) is connected to the piston end of the air cylinder (5) through a bolt, a gun barrel (4) is connected to the other side of the mounting plate (6) through a bolt, a punching rod (19) inserted into the gun barrel (4) is connected to the other end of the U-shaped rod (17) through a bolt, and a feeding structure is welded between the top of the other side of the mounting plate (6) and the top of one side of the gun barrel (4).

3. The PCB high-precision automatic pin driving mechanism according to claim 2, wherein the feeding structure comprises a feeding pipe (21) welded to the top of the other side of the mounting plate (6) and a storage frame (7), a sealing cover is arranged at one end of the storage frame (7), an arc-shaped blanking pipe (21) is welded between one end of the bottom of the storage frame (7) and the top of one side of the gun barrel (4), a plurality of second springs (23) are welded to the inner wall of one side of the storage frame (7), and a pushing plate (24) is welded to one end of each second spring (23).

4. The PCB high-precision automatic pin driving mechanism according to claim 3, wherein an annular ring (25) is welded at the bottom of the inner circumferential wall of the gun barrel (4), the top of the annular ring (25) is of a circular arc surface structure, a rubber ring (26) is bonded on the inner circumferential wall of the annular ring (25), and the diameter of the stamping rod (19) is smaller than the inner diameter of the annular ring (25).

5. The PCB high-precision automatic pin driving mechanism according to claim 4, wherein sloping plates are welded at the bottoms of both sides of the gun barrel (4), infrared lamps (20) are connected to the bottoms of the sloping plates through bolts, and the light-gathering points of the infrared lamps (20) are the same point.

6. The PCB high-precision automatic pin driving mechanism according to claim 5, wherein a control box (2) is connected to the outer wall of one side of the support frame (1) through a bolt, the control box (2) is electrically connected with the cylinder (5), the motor (9), the hydraulic lifting rod (11), the infrared lamp (20) and the electric push rod (22), limiting holes are formed in two ends of one side of the top of the support frame (1), and limiting rods (13) inserted in the limiting holes are welded to two ends of the bottom of the L-shaped frame (10).

7. The PCB high-precision automatic pin striking mechanism according to claim 1, wherein the first spring (14) is replaced by two steel sheets (27), the steel sheets (27) are in an arc-shaped structure, an oval blocking column (28) is welded between the inner walls of two sides of the supporting frame (1), and the oval blocking column (28) is located in the middle of the two steel sheets (27).

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