CN216299489U - Circuit substrate through hole device - Google Patents

Abstract

The application relates to a circuit substrate through hole device, which comprises a base, wherein a feeding frame for storing stacked circuit substrates is arranged at the feeding end of the base in a lifting manner, two horizontally arranged slide rails are arranged on the top surface of the base and are parallel to each other, one ends of the two slide rails are close to the feeding frame, a first conveying belt for conveying the circuit substrates is arranged at one side, facing each other, of the two slide rails, and a conveying assembly for sequentially conveying the circuit substrates of the feeding frame to the slide rails is arranged on each slide rail; an upper module used for a through hole and a lower module used for lifting the circuit substrate are arranged on the base, the lower module and the upper module are arranged oppositely, and the lower module is positioned between the two slide rails; the discharging end of the base is provided with a discharging frame, and the discharging frame is located at one end, far away from the feeding frame, of the sliding rail. The automatic feeding, automatic through-hole and automatic unloading functions of this application design have improved degree of automation.

Description

Circuit substrate through hole device

Technical Field

The application relates to the technical field of circuit board processing equipment, in particular to a circuit substrate through hole device.

Background

Drilling a circuit substrate is an important step in manufacturing a board, and the drilled hole can be used for mounting and fixing components and also plays a role in connecting multilayer wiring for a multilayer circuit board. After the drilling of the circuit substrate is finished, some chips can be retained in the hole, and in the actual production process, the through hole device is mostly adopted to clean the hole.

In the related art, a through hole device for a circuit substrate mainly includes a base, a pressing plate, and a through hole pin fixedly connected to a side of the pressing plate facing the base. The interior of the base is of a stepped structure, the circuit substrate is placed on the stepped structure, the hydraulic device is connected above the pressing plate, the pressing plate is controlled by the hydraulic device to move downwards, and the pressing plate drives the through hole needle to move downwards so as to pass through the circuit board. However, in the process of hole passing, the base is a stepped through hole device, a worker is required to manually place the circuit substrate into the base before passing through the hole every time, and the worker is required to manually take out the circuit substrate after the hole passing is finished, so that the automation degree is low.

SUMMERY OF THE UTILITY MODEL

In order to improve the phenomenon that the automation degree is lower in the through hole process of the circuit substrate through hole device in the related art, the application provides a circuit substrate through hole device.

The application provides a circuit substrate through-hole device adopts following technical scheme:

a circuit substrate through hole device comprises a base, wherein a feeding frame used for storing stacked circuit substrates is arranged at the feeding end of the base in a lifting mode, two sliding rails which are arranged horizontally are arranged on the top surface of the base and are parallel to each other, one ends of the two sliding rails are close to the feeding frame, first conveying belts used for conveying the circuit substrates are arranged on the sides, facing each other, of the two sliding rails, and conveying assemblies used for sequentially conveying the circuit substrates of the feeding frame to the sliding rails are arranged on the sliding rails;

an upper module used for a through hole and a lower module used for lifting the circuit substrate are arranged on the base, the lower module and the upper module are arranged oppositely, and the lower module is positioned between the two slide rails;

the discharging end of the base is provided with a discharging frame, and the discharging frame is located at one end, far away from the feeding frame, of the sliding rail.

By adopting the technical scheme, the circuit substrates are placed on the feeding frame, when the feeding frame ascends, the conveying assembly conveys the circuit substrates placed on the feeding frame to the first conveying belt one by one, when the first conveying belt conveys the circuit substrates to a position between the upper module and the lower module, the lower module can push the circuit substrates to abut against the upper module, and at the moment, the upper module carries out through holes on the circuit substrates. After the through hole is finished, the first conveying belt can continue to convey the circuit substrate until the circuit substrate is conveyed to the blanking frame, so that the functions of automatic feeding, automatic through hole and automatic blanking of the through hole device are realized, and the automation degree is higher.

Preferably, the conveying assembly comprises a fixed seat arranged at one end, close to the feeding frame, of the sliding rail and a second conveying belt rotatably arranged on the side wall of the fixed seat, the second conveying belt is located above the first conveying belt, one end of the second conveying belt is located above the feeding frame, and a gap for the circuit substrate to pass through is formed between the second conveying belt and the first conveying belt.

Through adopting above-mentioned technical scheme, during the material loading, the material loading frame rises, makes the top layer circuit substrate contact second conveyer belt of piling up on the material loading frame, utilizes the friction of second conveyer belt and circuit substrate, and circuit substrate receives the frictional force effect back, will pass the gap between first conveyer belt and the second conveyer belt to make the second conveyer belt will pile up the circuit substrate on the material loading frame and carry to first conveyer belt in proper order.

Preferably, a fixed rod is hung on the base, the fixed rod is located above the feeding frame, a material pushing wheel is connected to the side wall of the fixed rod in a rotating mode, a plurality of pushing blades are arranged on the side wall of the material pushing wheel and distributed at equal intervals in the circumferential direction of the material pushing wheel, and a stepping motor used for driving the material pushing wheel to rotate intermittently is further arranged on the fixed rod.

Through adopting above-mentioned technical scheme, utilize step motor drive to promote the leaf and rotate for promote the leaf and promote the circuit substrate who piles up on the material loading frame and move towards the direction of second conveyer belt, thereby the second conveyer belt conveys the circuit substrate of material loading frame to first conveyer belt in proper order better.

Preferably, go up the module including spaning two the mounting bracket of slide rail, detachably connect in the upper die base and the detachably of mounting bracket connect in the upper die base orientation the last mould of one side of base, go up the mould orientation one side of base is provided with the through-hole needle with the hole one-to-one on the circuit substrate.

By adopting the technical scheme, the upper die base can be detachably connected with the upper die, so that workers can conveniently replace the upper dies with different through hole needles, automatic through holes can be formed in different circuit substrates by the device, and the automation degree is improved.

Preferably, the lower die set including liftable set up in the die holder of the top surface of base, and fixed connection in the die holder towards the lower mould of one side of last mould, still be provided with on the base and be used for driving the lifting unit that the die holder goes up and down.

Through adopting above-mentioned technical scheme, lifting unit rises through the drive die holder for the lower mould rises along with the die holder jointly, and the in-process that the lower mould rises can drive the circuit substrate who carries the top of lower mould and be close to towards the upper die, and at this moment, the through-hole that goes up the mould setting carries out the through-hole to circuit substrate.

Preferably, the lifting assembly comprises a first cylinder arranged in the base, a piston rod of the first cylinder extends upwards out of the top surface of the base, and the piston rod of the first cylinder is connected to the bottom of the lower die holder.

Through adopting above-mentioned technical scheme, the piston rod of first cylinder is connected in the bottom of die holder for can be through the flexible of the piston rod of control first cylinder, and then the lift of control die holder.

Preferably, a second cylinder is arranged on the sliding rail, a piston rod of the second cylinder is vertically arranged downwards, the piston rod of the second cylinder is connected with a connecting block, and a blocking block used for blocking the circuit substrate to stop above the lower die is arranged at one end, far away from the second cylinder, of the connecting block.

By adopting the technical scheme, the piston rod of the second cylinder is controlled to stretch, so that the stop block is controlled to lift, and when the stop block rises, the stop block protrudes out of the upper surface of the lower die, so that when the circuit substrate is conveyed to the position of the lower die, the circuit substrate is stopped above the lower die in a blocking manner.

Preferably, a first limiting rod is hung on the base and located above the blanking frame.

Through adopting above-mentioned technical scheme, setting up of first gag lever post makes circuit substrate when being carried the blanking frame, circuit substrate can receive and block, is difficult for dropping outside the blanking frame.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the feeding frame is used for storing stacked circuit substrates and pushing the blades to push the circuit substrates to move towards the second conveying belt, friction between the second conveying belt and the circuit substrates enables the circuit substrates stacked on the feeding frame to be sequentially conveyed onto the first conveying belt, the first conveying belt conveys the circuit substrates one by one between the upper die and the lower die to carry out through holes, and after the through holes are finished, the first conveying belt continues to convey the circuit substrates until the circuit substrates are conveyed onto the discharging frame, so that the functions of automatic feeding and automatic discharging of the through hole device are realized, and the automation degree is high;

2. the setting of stopper can make circuit substrate stop the top at the lower mould comparatively accurately to make the through-hole more accurate.

Drawings

FIG. 1 is a schematic view of the overall structure of the present embodiment;

fig. 2 is a partial sectional view for showing the fitting relationship between the loading frame, the slide rail, and the conveying assembly in the present embodiment;

fig. 3 is a partial sectional view for showing the fitting relationship of the upper die and the lower die in the present embodiment.

Description of reference numerals: 1. a base; 2. a feeding frame; 3. a lifting motor; 4. a first gear; 5. a second gear; 6. a chain; 7. a fixed block; 8. a limiting frame; 9. a slide rail; 10. a chute; 11. a first conveyor belt; 12. a first motor; 13. a fixed seat; 14. a second conveyor belt; 15. a second motor; 16. a support arm; 17. fixing the rod; 18. a material pushing wheel; 19. pushing the blades; 20. a stepping motor; 21. a mounting frame; 22. a limit screw; 23. an upper die holder; 24. an arc-shaped slot; 25. a limit nut; 26. an arc-shaped block; 27. an upper die; 28. fixing the screw rod; 29. a strip-shaped groove; 30. fixing a nut; 31. a gasket; 32. a through-hole needle; 33. a lower die holder; 34. a lower die; 35. a first cylinder; 36. a second cylinder; 37. connecting blocks; 38. a blocking block; 39. a blanking frame; 40. A first limit rod; 41. a second limiting rod.

Detailed Description

The present application is described in further detail below with reference to figures 1-3.

A circuit substrate through hole device, referring to fig. 1, comprises a base 1 which is rectangular, and a feeding frame 2 which is used for storing stacked circuit substrates is arranged at the feeding end of the base 1 in a lifting mode.

Referring to fig. 2, a lifting motor 3 is fixedly mounted at the bottom of the base 1 through a bolt, a first gear 4 is fixedly connected to an output shaft of the lifting motor 3, a second gear 5 is rotatably connected to the base 1, the second gear 5 is located above the first gear 4, and an annular chain 6 is arranged between the first gear 4 and the second gear 5. One side fixedly connected with fixed block 7 that chain 6 is close to last work or material rest 2, and fixed block 7 deviates from one side of chain 6 and welds in last work or material rest 2 for can be through the corotation of controlling elevator motor 3 or the reversal, thereby the drive is gone up work or material rest 2 and is gone up the rising or the decline of material rest end.

Referring to fig. 2 and 3, the base 1 is provided with a limiting frame 8 for limiting a storage space of the loading frame 2 for the circuit substrate, so that the circuit substrate is not prone to deviation. The top fixedly connected with of base 1 has two slide rails 9 that set up along the length direction of base 1, and two slide rails 9 are parallel to each other, and the one end of two slide rails 9 is close to last work or material rest 2. The slide grooves 10 used for bearing the edges of the circuit substrates are formed in one side, facing each other, of the two slide rails 9, the slide grooves 10 are formed in the length direction of the slide rails 9, and the slide grooves 10 penetrate through the two ends and the top face of the slide rails 9. The two sliding grooves 10 are internally and rotatably provided with first conveying belts 11 for conveying the circuit substrate, and the first conveying belts 11 are arranged along the length direction of the sliding rail 9. Equal fixedly connected with first motor 12 on two slide rails 9, two first motors 12 are synchronous motor, and two first motors 12 respectively with two first conveyer belts 11 one-to-one, and first motor 12 is used for driving first conveyer belt 11 to rotate.

Referring to fig. 2 and 3, two slide rails 9 are close to the equal fixedly connected with fixing base 13 of one end of last work or material rest 2, and two fixing bases 13 set up relatively. And the two fixing seats 13 are rotatably provided with second conveying belts 14 on the side walls facing each other. The second conveyor belt 14 rotates in the opposite direction to the first conveyor belt 11, and the second conveyor belt 14 is used to sequentially transfer the circuit substrates stacked on the upper rack 2 to the first conveyor belt 11. The two second conveying belts 14 correspond to the two first conveying belts 11 one by one, the second conveying belts 14 are located above the first conveying belts 11, one end of each second conveying belt 14 is located above the upper rack 2, and a gap for the circuit substrate to pass through is formed between each second conveying belt 14 and the first conveying belt 11. When the feeding frame 2 ascends, one side of the second conveying belt 14, which is close to the feeding frame 2, abuts against the upper surface of the circuit substrate placed on the feeding frame 2, and the circuit substrate is conveyed towards the first conveying belt 11 through the gap by the friction between the second conveying belt 14 and the upper surface of the circuit substrate. And the two fixing seats 13 are fixedly provided with second motors 15 respectively used for driving the two second conveying belts 14 to rotate.

Referring to fig. 2, four support arms 16 are fixedly connected to the base 1, wherein a cross bar is connected between two support arms 16 in a crossing manner, and the cross bar is located above the feeding frame 2. The cross rod is hung with a fixed rod 17, the fixed rod 17 is located above the feeding frame 2, the side wall of the fixed rod 17 is rotatably connected with a pushing wheel 18, the side wall of the pushing wheel 18 is fixedly connected with four pushing blades 19, and the four pushing blades 19 are distributed at equal intervals along the circumferential direction of the pushing wheel 18. The fixing rod 17 is fixed with a stepping motor 20 through a bolt, and an output shaft of the stepping motor 20 is fixedly connected to the material pushing wheel 18, so that the stepping motor 20 can drive the material pushing wheel 18 to intermittently rotate. When the stepping motor 20 drives the material pushing wheel 18 to rotate, the pushing blade 19 rotates together with the material pushing wheel 18, and the pushing blade 19 abuts against one side, away from the second conveying belt 14, of the circuit substrate stacked on the upper material frame 2 in the rotating process, so that the circuit substrate stacked on the upper material frame 2 is pushed to move towards the direction of the second conveying belt 14.

Referring to fig. 3, a mounting frame 21 is fixedly mounted on the base 1, the mounting frame 21 spans the two slide rails 9, two sides of the mounting frame 21 are respectively located on two sides of the two slide rails 9, which deviate from each other, and the mounting frame 21 is hinged with four limit screws 22. An upper die base 23 is installed on the mounting frame 21, the upper die base 23 is arranged in a cuboid shape, four arc-shaped grooves 24 are formed in the edge of the upper die base 23, the four arc-shaped grooves 24 are in one-to-one correspondence with the four limit screws 22, and the four arc-shaped grooves 24 are used for being connected with the four limit screws 22 in an inserting mode. Stop screw 22 is kept away from pin joint one end threaded connection and is had stop nut 25, rotates around the pin joint when pegging graft in arc wall 24 when stop screw 22, and stop nut 25 is screwed up to the accessible for one side butt in the upper surface of upper die base 23 that stop nut 25 is close to upper die base 23, and at this moment, upper die base 23 is fixed on mounting bracket 21.

Referring to fig. 3, an arc block 26 is welded to one side of the limiting nut 25 departing from the arc groove 24, so that the limiting nut 25 can be driven to rotate by rotating the arc block 26.

Referring to fig. 3, an upper die 27 is connected to one side of the upper die base 23 facing the base 1, and the upper die 27 is provided in a rectangular parallelepiped shape. One side of the upper die 27 facing the upper die holder 23 is fixedly connected with four fixing screws 28, and the four fixing screws 28 are respectively distributed at four corners of the upper die holder 23. A strip-shaped groove 29 penetrating through the upper surface and the lower surface is formed in the upper die base 23, one ends, far away from the upper die 27, of the four fixing screw rods 28 penetrate through the strip-shaped groove 29 until extending out of the upper surface of the upper die base 23, and one ends, far away from the upper die 27, of the four fixing screw rods 28 are provided with fixing assemblies. The fixing assembly comprises a fixing nut 30 and a gasket 31, the fixing nut 30 is in threaded connection with the fixing screw 28, the gasket 31 is sleeved on the fixing screw 28, the fixing nut 30 is located above the upper die base 23, the gasket 31 is located between the fixing nut 30 and the upper die base 23, and one side, close to the gasket 31, of the fixing nut 30 abuts against the gasket 31 by rotating the fixing nut 30, so that the upper die 27 is detachably fixed on the upper die base 23. Through-hole pins 32 corresponding to the holes on the circuit board one to one are fixedly connected to one side of the upper die 27 facing the base 1.

Referring to fig. 1 and 3, the base 1 is further connected with a lower die base 33, the lower die base 33 is opposite to the upper die base 23, the lower die base 33 is located between the two slide rails 9, and one side of the lower die base 33 facing the upper die 27 is fixedly connected with a lower die 34. The first air cylinder 35 is fixedly connected in the base 1, a piston rod of the first air cylinder 35 extends upwards out of the top surface of the base 1, and the piston rod of the first air cylinder 35 is fixedly connected to the bottom of the lower die holder 33, so that the lifting of the lower die holder 33 can be controlled by controlling the first air cylinder 35.

Referring to fig. 1 and 3, when the first cylinder 35 controls the lower die holder 33 to ascend, the lower die 34 ascends along with the lower die holder 33, and the lower die 34 drives the circuit substrate located above the lower die 34 to approach the upper die 27, so that the through-hole pins 32 of the upper die 27 can pass through the circuit substrate.

Referring to fig. 3, a second cylinder 36 is arranged on the slide rail 9, the second cylinder 36 is located on one side of the slide rail 9 departing from the lower die 34, a piston rod of the second cylinder 36 is vertically arranged downwards, a connecting block 37 horizontally arranged is connected to the piston rod of the second cylinder 36, and a blocking block 38 for blocking the circuit substrate to stop above the lower die 34 is arranged at one end of the connecting block 37 far away from the second cylinder 36.

Referring to fig. 1 and 2, a discharging frame 39 is disposed at a discharging end of the base 1, and the discharging frame 39 is located at one end of the slide rail 9 far away from the feeding frame 2. The base 1 is hung with a first limiting rod 40 and a second limiting rod 41, the first limiting rod 40 and the second limiting rod 41 are both located above the blanking frame 39, and a limiting area is formed between the first limiting rod 40 and the second limiting rod 41, so that when the circuit substrate is conveyed to the blanking frame 39 after the through hole is finished, the circuit substrate is not easy to drop out of the blanking frame 39.

The implementation principle of the application is as follows: during the use, place the circuit substrate that piles up on the work or material rest 2, through the corotation of control elevator motor 3 or reversal, control the material rest 2 and rise or descend at the material loading end of base 1. When the loading frame 2 is raised, the circuit substrates stacked on the loading frame 2 are pushed by the pushing blade 19 to move in the direction of the second conveyor belt 14. Friction between the second conveying belt 14 and the circuit substrates enables the second conveying belt 14 to sequentially convey the circuit substrates stacked on the loading frame 2 to the first conveying belt 11 after the circuit substrates are subjected to friction force. The first conveying belt 11 conveys the circuit substrate to the upper side of the lower die 34, the lower die holder 33 is lifted by driving the first air cylinder 35, the lower die 34 rises together with the lower die holder 33, at the moment, the lower die 34 drives the circuit substrate to approach the upper die 27, and the through hole needle 32 of the upper die 27 conducts through holes on the circuit substrate. After the through holes are finished, the first conveying belt 11 continues to convey the circuit substrate to the blanking frame 39, so that the functions of automatic feeding, automatic through holes and automatic blanking are realized, and the automation degree is higher.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims (8)

1. A circuit substrate through-hole device comprises a base (1), and is characterized in that: a feeding frame (2) used for storing stacked circuit substrates is arranged at the feeding end of the base (1) in a lifting manner, two sliding rails (9) which are horizontally arranged are arranged on the top surface of the base (1), the two sliding rails (9) are parallel to each other, one ends of the two sliding rails (9) are close to the feeding frame (2), first conveying belts (11) used for conveying the circuit substrates are arranged on the sides, facing each other, of the two sliding rails (9), and conveying assemblies used for sequentially conveying the circuit substrates of the feeding frame (2) to the sliding rails (9) are arranged on the sliding rails (9);

an upper module used for a through hole and a lower module used for lifting the circuit substrate are arranged on the base (1), the lower module and the upper module are arranged oppositely, and the lower module is positioned between the two slide rails (9);

the discharging end of the base (1) is provided with a discharging frame (39), and the discharging frame (39) is located at one end, far away from the feeding frame (2), of the sliding rail (9).

2. The circuit substrate via arrangement of claim 1, wherein: the conveying assembly comprises a fixing seat (13) and a second conveying belt (14), the fixing seat (13) is arranged at one end, close to the upper material rack (2), of the sliding rail (9), the second conveying belt (14) is rotatably arranged on the side wall of the fixing seat (13), the second conveying belt (14) is located above the first conveying belt (11), one end of the second conveying belt (14) is located above the upper material rack (2), and a gap for a circuit substrate to pass through is formed between the second conveying belt (14) and the first conveying belt (11).

3. The circuit substrate via arrangement of claim 1, wherein: the material pushing device is characterized in that a fixing rod (17) is hung on the base (1), the fixing rod (17) is located above the material feeding frame (2), the side wall of the fixing rod (17) is connected with a material pushing wheel (18) in a rotating mode, the side wall of the material pushing wheel (18) is provided with a plurality of pushing blades (19), the pushing blades (19) are distributed at equal intervals in the circumferential direction of the material pushing wheel (18), and a stepping motor (20) used for driving the material pushing wheel (18) to intermittently rotate is further arranged on the fixing rod (17).

4. The circuit substrate via arrangement of claim 1, wherein: go up the module including spaning two mounting bracket (21), detachably connect in of slide rail (9) last die holder (23) and detachably connect in of mounting bracket (21) last die holder (23) orientation last mould (27) of one side of base (1), go up mould (27) orientation one side of base (1) is provided with through-hole needle (32) with the hole one-to-one on the circuit substrate.

5. The circuit substrate via arrangement of claim 4, wherein: the lower die set including liftable set up in lower bolster (33) of the top surface of base (1), and fixed connection in lower bolster (33) orientation go up lower mould (34) of one side of mould (27), still be provided with on base (1) and be used for the drive the lifting unit that lower bolster (33) go up and down.

6. The circuit substrate via arrangement of claim 5, wherein: the lifting assembly comprises a first air cylinder (35) arranged in the base (1), a piston rod of the first air cylinder (35) extends upwards out of the top surface of the base (1), and the piston rod of the first air cylinder (35) is connected to the bottom of the lower die holder (33).

7. The circuit substrate via arrangement of claim 1, wherein: be provided with second cylinder (36) on slide rail (9), the vertical downward setting of piston rod of second cylinder (36), the piston rod of second cylinder (36) is connected with connecting block (37), the one end that second cylinder (36) were kept away from in connecting block (37) is provided with and is used for blockking circuit substrate stop block (38) of the top of lower mould (34).

8. The circuit substrate via arrangement of claim 1, wherein: a first limiting rod (40) is hung on the base (1), and the first limiting rod (40) is located above the blanking frame (39).

Images