CN219213332U

CN219213332U - Automatic hole penetrating machine

Info

Publication number: CN219213332U
Application number: CN202320235152.4U
Authority: CN
Inventors: 徐克平; 王黎辉
Original assignee: Hangzhou Baolin Printed Circuits Co ltd
Current assignee: Hangzhou Baolin Printed Circuits Co ltd
Priority date: 2023-02-03
Filing date: 2023-02-03
Publication date: 2023-06-20
Anticipated expiration: 2033-02-03

Abstract

The application relates to an automatic through-hole machine belongs to circuit board processing equipment technical field, it includes the frame and sets gradually feed mechanism in the frame along circuit board direction of delivery, through-hole mechanism and unloading mechanism, through-hole mechanism is used for carrying out the through-hole to the circuit board, be provided with transport mechanism between feed mechanism and the unloading mechanism, feed mechanism is including the first conveying component that is used for carrying the circuit board and the limiting plate that is used for prescribing a limit to circuit board direction of delivery, the limiting plate can be dismantled and be connected in the frame, unloading mechanism includes second conveying component and lift platform, second conveying component is located between transport mechanism and the lift platform, second conveying component is used for carrying the circuit board that the through-hole ended, be provided with the pneumatic cylinder that is used for driving the lift platform to remove in the frame, the piston rod and the lift platform fixed connection of pneumatic cylinder, the lift platform is used for accepting the circuit board that the second conveying component carried. The application has the effect of promoting automatic hole penetrating machine work efficiency.

Description

Automatic hole penetrating machine

Technical Field

The application relates to the technical field of circuit board processing equipment, in particular to an automatic hole penetrating machine.

Background

In the production process of the circuit board, a plurality of working procedures need to be carried out, wherein the through holes are necessary means, the circuit board is subjected to through holes and hole plugging and board scraps in the holes are removed, along with the development of scientific technology, the requirements of people on convenience in industrial production are higher and higher, the working procedures of the through holes of the existing circuit board in the processing process are artificial through holes, the feeding holes of a through hole machine need to be manually aligned, the feeding work of the circuit board is carried out, and workers need to carry out discharging from the discharging holes of the through hole machine after the through holes are finished, so that the work load of the workers is increased, the through hole efficiency of the through hole machine is reduced, and the degree of automation is lower.

Disclosure of Invention

In order to save the manpower, promote the work efficiency of automatic hole machine, this application provides an automatic hole machine.

The application provides an automatic hole penetrating machine adopts following technical scheme:

the utility model provides an automatic hole machine, includes the frame and sets gradually feed mechanism, through-hole mechanism and the unloading mechanism in the frame along circuit board direction of delivery, through-hole mechanism is used for carrying out the through-hole to the circuit board, be provided with transport mechanism between feed mechanism and the unloading mechanism, transport mechanism runs through in through-hole mechanism, transport mechanism is arranged in carrying the circuit board in the feed mechanism to the unloading mechanism, feed mechanism is including being used for carrying the first conveying subassembly that waits for the through-hole circuit board and being used for prescribing a limit to circuit board direction of delivery, the limiting plate is located first conveying subassembly top, the limiting plate can be dismantled and be connected in the frame, the unloading mechanism includes second conveying subassembly and lift platform, second conveying subassembly is located between transport mechanism and the lift platform, second conveying subassembly is used for carrying the circuit board that the through-hole ended, be provided with the pneumatic cylinder that is arranged in the drive lift platform removed in the frame, the piston rod and the lift platform fixed connection of pneumatic cylinder are used for accepting the circuit board that the second conveying subassembly carried.

Through adopting above-mentioned technical scheme, if not carry out spacingly to the circuit board in the transportation of circuit board, then the circuit board takes place the position offset very easily, set up the limiting plate on the feed mechanism in order to realize spacing to circuit board direction of delivery, thereby promote feed mechanism's material loading efficiency, the conveying mechanism accepts the circuit board on the conveying roller and carries the circuit board to the through-hole mechanism and carry out the through-hole, lower die carrier and cylinder fixed connection, make lower die carrier can go up and down, thereby when the circuit board carries on the lower bolster, make the piston rod of cylinder promote die carrier and lower bolster rise, so that the through-hole carries out the through-hole to the circuit board, lift platform's setting can make the circuit board range upon range of on lift platform, realize the collection of more circuit boards, the manpower is saved, the work efficiency of the through-hole machine has been promoted.

Preferably, the first conveying component is provided with a plurality of conveying rollers along the conveying direction of the circuit board, two side plates are fixedly arranged on the frame, the two side plates are respectively positioned at two ends of the conveying rollers, the conveying rollers are rotationally connected with the side plates, the limiting plates are detachably connected with the side plates, the length directions of the side plates and the limiting plates are identical to the conveying direction of the circuit board, and the distance between the limiting plates and the conveying rollers is smaller than the thickness of the circuit board.

Through adopting above-mentioned technical scheme, the setting of limiting plate can realize the spacing to the circuit board, makes the circuit board aim at the feed inlet of through-hole mechanism and carries.

Preferably, the limiting plate comprises a first plate, a second plate and a vertical roller, the first plate and the second plate are fixedly connected, one end of the first plate, which is far away from the second plate, is close to the side plate in an inclined mode, the second plate and the side plate are mutually parallel, the vertical roller is fixedly connected to the joint of the first plate and the second plate, and the vertical roller is used for preventing the circuit board from being clamped in the conveying process.

Through adopting above-mentioned technical scheme, the slope setting of first board can increase the space of placing of circuit board on the conveying roller, and when the circuit board passes through between two second boards, can carry out spacingly to the circuit board, makes the circuit board aim at through-hole mechanism and carries, can not take place the position offset, and blocks when setting up of vertical roller can avoid the circuit board to pass through the junction of first board and second board, influences through-hole efficiency.

Preferably, the conveying mechanism comprises a sliding rail, the sliding rail is fixedly arranged along the length direction of the frame, the sliding rail penetrates through the through hole mechanism, the conveying roller is connected with the second conveying assembly through the sliding rail, and the sliding rail is rotationally connected with a transmission assembly for conveying the circuit board.

Through adopting above-mentioned technical scheme, the slide rail runs through in through-hole mechanism in order to carry the circuit board to unloading mechanism from feed mechanism, and drive assembly rotates in order to drive the circuit board transmission.

Preferably, the transmission assembly comprises a transmission roller and a transmission belt positioned at the periphery of the transmission roller, the transmission roller is rotationally connected with a sliding rail, and one end of the sliding rail, which is far away from the transmission assembly, is fixedly connected with a second motor for driving the transmission roller to rotate.

By adopting the technical scheme, the second motor drives the driving roller to rotate, so that the conveying belt is used for conveying the circuit board.

Preferably, the through hole mechanism comprises a supporting component, an upper template, a lower die frame and a cylinder, wherein the supporting component is fixedly arranged on the frame, the upper template is detachably connected with the supporting component, a plurality of through hole needles for carrying out through holes on the circuit board are fixedly connected to one end of the upper template, which faces the frame, the lower die frame is oppositely arranged with the upper template, the lower die frame is used for placing the circuit board, the cylinder is fixedly connected in the frame, a piston rod of the cylinder is fixedly connected with one end of the lower die frame, which is far away from the upper template, and the cylinder is used for driving the lower die frame to move.

Through adopting above-mentioned technical scheme, the circuit board is carried down on the die carrier by transport mechanism, and the cylinder drives down the die carrier and moves towards the direction of cope match-plate pattern to carry out the through-hole work of circuit board, the cope match-plate pattern can dismantle the connection, the change of the cope match-plate pattern of being convenient for, with the through-hole of the different circuit boards of adaptation.

Preferably, a material receiving box for plugging holes of the through holes and plate scraps is arranged in the frame and is in sliding connection with the frame, and the material receiving box is positioned at one end of the lower die frame far away from the upper die plate.

Through adopting above-mentioned technical scheme, when the through-hole carries out the through-hole to the circuit board, stifled hole and board bits drop from the through-hole of lower bolster, connect the setting of workbin can accept and make stifled hole and board bits can not scatter at will.

Preferably, the lifting platform is provided with a baffle at one end far away from the hydraulic cylinder, and the baffle is used for preventing the circuit board from falling off.

Through adopting above-mentioned technical scheme, when the circuit board is carried to lift platform by the second conveying assembly, owing to make the circuit board range upon range of on lift platform, so the baffle can avoid the circuit board to drop at the in-process of range upon range of.

Preferably, a protective cover is arranged on the frame, and the protective cover is rotationally connected with the frame.

Through adopting above-mentioned technical scheme, the setting of protecgulum can make automatic through-hole machine not receive external influence when using, and when equipment maintenance, can open corresponding protecgulum, each other do not influence.

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

1. the setting of limiting plate can realize the spacing to the circuit board in direction of delivery, and thereby can not block when the circuit board carries first board and second board junction and influence the through-hole work on the vertical roller on the limiting plate.

2. The setting of lift platform, because the circuit board that the through-hole ended needs the manual work to collect, in order to collect more circuit boards once, lift platform can realize the range upon range of circuit board.

3. The arrangement of the conveying mechanism forms a conveying line, the feeding mechanism and the discharging mechanism are connected, and when the circuit board is conveyed to the lower die plate, the conveying mechanism does not affect the through hole work of the through hole mechanism and continues to convey the circuit board after the through hole is finished.

Drawings

FIG. 1 is a schematic view of the overall structure of an automatic hole penetrating machine of the present application;

fig. 2 is a schematic structural view of the feeding mechanism of the present application;

FIG. 3 is a schematic view of the structure of the through-hole mechanism and the transfer mechanism of the present application;

FIG. 4 is a schematic view of the through hole mechanism of the present application when the cylinder pushes the lower die carrier and the lower die plate to move toward the upper die plate;

fig. 5 is a schematic structural view of the discharging mechanism of the present application.

Reference numerals illustrate: 1. a frame; 11. a material receiving box; 12. a protective cover; 13. a side plate; 14. a riser; 2. a feeding mechanism; 21. a first transport assembly; 211. a conveying roller; 212. a first motor; 22. a limiting plate; 221. a first plate; 222. a second plate; 2221. a limiting channel; 223. a vertical roller; 3. a conveying mechanism; 31. a slide rail; 32. a transmission assembly; 321. a driving roller; 322. a conveyor belt; 33. a second motor; 4. a through hole mechanism; 41. a support assembly; 411. a support column; 412. a cover plate; 42. a through-hole assembly; 421. an upper template; 4211. a through hole needle; 422. a lower die frame; 4221. a lower template; 423. a cylinder; 5. a blanking mechanism; 51. a second transport assembly; 511. a rotating roller; 512. a third motor; 52. a lifting assembly; 521. a lifting platform; 5211. a baffle; 522. and a hydraulic cylinder.

Detailed Description

The present application is described in further detail below in conjunction with fig. 1-5.

In the description of the present application, it should be understood that the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or an implicit indication of the number of technical features being indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present utility model, the meaning of "plurality" means at least two, for example, two, three, etc., unless specifically defined otherwise.

The terms "upper," "lower," "left," "right," and the like, as used herein, refer to an orientation or positional relationship based on that shown in the drawings, for convenience of description and simplicity of description, and do not necessarily indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the application.

Referring to fig. 1, an automatic hole penetrating machine comprises a frame 1, and a feeding mechanism 2, a conveying mechanism 3, a hole penetrating mechanism 4 and a discharging mechanism 5 which are arranged on the frame 1. The feeding mechanism 2 is used for conveying the circuit board to the conveying mechanism 3, the through hole mechanism 4 is used for through holes of the circuit board and removing blocking holes and board scraps in the holes, the conveying mechanism 3 is used for conveying the circuit board, and the discharging mechanism 5 is used for receiving the circuit board with the through holes completed. The through hole mechanism 4 is positioned between the feeding mechanism 2 and the discharging mechanism 5, the conveying mechanism 3 penetrates through the through hole mechanism 4, and the feeding mechanism 2 and the discharging mechanism 5 are connected through the conveying mechanism 3.

Referring to fig. 1 and 2, the feeding mechanism 2 comprises a first conveying assembly 21 and a limiting plate 22, the first conveying assembly 21 comprises a plurality of conveying rollers 211 and a first motor 212, the conveying rollers 211 are provided with two side plates 13 on the frame 1, two ends of the conveying rollers 211 are rotationally connected with the side plates 13, the first motor 212 is fixedly connected with the side plates 13, an output shaft of the first motor 212 is coaxially and fixedly connected with one conveying roller 211, the first motor 212 works to drive the conveying rollers 211 to rotate, thereby realizing the conveying of the circuit board by the feeding mechanism 2, the limiting plate 22 is provided with two limiting plates 22 and detachably connected with the two side plates 13 respectively, the two limiting plates 22 are positioned between the two side plates 13, the distance between the limiting plate 22 and the conveying rollers 211 is smaller than the thickness of the circuit board, each limiting plate 22 comprises a first plate 221 and a second plate 222, the two second plates 222 are parallel to each other and form a limiting channel 2221 for a circuit board to pass through so as to limit the conveying direction of the circuit board, the circuit board can be aligned to a feed inlet of the through hole mechanism 4, the width of the limiting channel 2221 is slightly larger than that of the circuit board, the first plate 221 and the second plates 222 are fixedly connected, one end of the first plate 221, which is far away from the second plate 222, is close to the side plate 13, an included angle between an extension line of the second plate 222 and an extension line of the first plate 221 is an obtuse angle so as to enlarge the placing space of the circuit board on the feeding mechanism 2, a vertical roller 223 is fixedly arranged at the joint of the first plate 221 and the second plate 222, and the vertical roller 223 is used for preventing the circuit board from being clamped when passing through the joint of the first plate 221 and the second plate 222.

Referring to fig. 1 and 3, the conveying mechanism 3 includes a slide rail 31 and a transmission assembly 32, the height of the slide rail 31 is the same as that of the conveying roller 211, the slide rail 31 is fixedly provided with two slide rails along the length direction of the frame 1, the two slide rails 31 are parallel to each other, the distance between the two slide rails 31 is slightly larger than the width of the circuit board, so that the circuit board can move on the slide rail 31, the feeding mechanism 2 and the discharging mechanism 5 are connected through the slide rails 31, the transmission assembly 32 is located at one side of the two slide rails 31 facing each other, the transmission assembly 32 is arranged along the length direction of the two slide grooves, the transmission assembly 32 includes a transmission roller 321 and a transmission belt 322 located at the periphery of the transmission roller 321, the transmission roller 321 is rotationally connected with the slide rail 31, and the number of the transmission roller 321 is not limited. The two slide rails 31 are far away from the second motor 33 of the equal fixedly connected with of one end of drive assembly 32, and two second motors 33 are synchronous motor, and the output shaft of two second motors 33 is respectively with two driving roller 321 coaxial fixed connection, and second motor 33 is used for driving conveyer belt 322 transmission in order to drive the circuit board and remove.

Referring to fig. 1 and 4, the through hole mechanism 4 includes a support assembly 41 and a through hole assembly 42, the support assembly 41 is detachably connected with the through hole assembly 42, the support assembly 41 includes support columns 411 and a cover plate 412, the support columns 411 are provided with four and one ends of the support columns 411 are fixedly connected at four corners of the cover plate 412, and the other ends of the support columns 411 are fixedly connected with the frame 1.

Referring to fig. 1 and 4, the through hole assembly 42 includes an upper die plate 421, a lower die frame 422 and an air cylinder 423, the upper die plate 421 is detachably connected to one end of the cover plate 412 facing the frame 1, one end of the upper die plate 421 facing the frame 1 is fixedly connected with a plurality of through hole pins 4211, the through hole pins 4211 are used for being through holes of a circuit board, the lower die frame 422 is opposite to the upper die plate 421 and the lower die frame 422 is located between two sliding rails 31, one side of the lower die frame 422 facing the upper die plate 421 is detachably connected with a lower die plate 4221 matched with the upper die plate 421, a plurality of through holes for the through hole pins 4211 to penetrate are formed in the lower die plate 4221, a cylinder body of the air cylinder 423 is fixedly connected in the frame 1, a piston rod of the air cylinder 423 extends out of the frame 1 and is fixedly connected with one surface of the lower die frame 422 away from the upper die plate 421, and the air cylinder 423 drives the lower die plate 4221 to move towards a direction approaching or away from the upper die plate 421, so that the through hole pins 4211 perform through hole on the circuit board. One end of the support column 411 near the feeding mechanism 2 is provided with a sensor (not shown in the figure) to identify the circuit board conveyed by the feeding mechanism 2 and perform through-holes.

Referring to fig. 4, a material receiving box 11 is disposed in the frame 1, the material receiving box 11 is slidably connected with the frame 1, the material receiving box 11 is located under the lower die frame 422, that is, one end of the lower die frame 422 away from the upper die plate 421, when the through hole needle 4211 performs through hole on the circuit board, the hole blocking and board scraps fall into the material receiving box 11.

Referring to fig. 1 and 5, the blanking mechanism 5 includes a second conveying assembly 51 and a lifting assembly 52, the second conveying assembly 51 is connected with one end of the sliding rail 31 far away from the feeding mechanism 2, the height of the second conveying assembly 51 is the same as that of the sliding rail 31, the lifting assembly 52 is located at one end of the second conveying assembly 51 far away from the conveying mechanism 3, the second conveying assembly 51 includes a rotating roller 511 and a third motor 512, the rotating roller 511 is provided with a plurality of rotating rollers, two vertical plates 14 are arranged on the frame 1, two ends of the rotating roller 511 are rotationally connected with the vertical plates 14, the third motor 512 is fixedly connected to the vertical plates 14, an output shaft of the third motor 512 is coaxially and fixedly connected with one rotating roller 511, and the third motor 512 is operated to drive the rotating roller 511 to rotate, so that conveying of a circuit board with a through hole is finished is achieved.

Referring to fig. 5, the lifting assembly 52 includes a lifting platform 521 and a hydraulic cylinder 522, wherein a cylinder body of the hydraulic cylinder 522 is fixedly connected in the frame 1, a piston rod of the hydraulic cylinder 522 extends out of the frame 1 and is fixedly connected with one end of the lifting platform 521, the piston rod of the hydraulic cylinder 522 pushes the lifting platform 521 to move so as to receive the circuit boards conveyed by the second conveying assembly 51, and the circuit boards can be stacked on the lifting platform 521, so that a greater number of circuit boards can be placed on the lifting platform 521, and when the piston rod of the hydraulic cylinder 522 is completely contracted, the stacked circuit boards can be removed. In order to avoid the circuit board from falling, the lifting platform 521 is provided with baffles 5211, the number of baffles 5211 is not limited, and in the embodiment of the present application, three baffles 5211 are shown as examples.

Referring to fig. 1, a protection cover 12 is provided on a frame 1, one end of the protection cover 12 is rotatably connected with the frame 1 through a hinge, and the protection cover 12 is opened or closed above the frame 1 by taking the hinge as a shaft in a rotating manner, when in use, the protection cover 12 is closed so as not to influence the use of a through hole machine, in the embodiment of the application, the protection cover 12 is provided with three corresponding to a feeding mechanism 2, a through hole mechanism 4 and a discharging mechanism 5, and the corresponding protection cover 12 can be opened when needed, so that equipment maintenance is facilitated.

The implementation principle of the automatic through hole machine in the embodiment of the application is as follows: the circuit board is placed on the conveying roller 211, the first motor 212 works to drive the conveying roller 211 to rotate, thereby driving the circuit board to move and conveying the circuit board between the two sliding rails 31, the second motor 33 drives the driving roller 321 to rotate, the conveying belt 322 drives the circuit board to move onto the lower die plate 4221, the sensor detects the circuit board at the moment, the piston rod of the air cylinder 423 drives the lower die frame 422 to ascend, the lower die frame 422 drives the lower die plate 4221 to ascend, the lower die plate 4221 drives the circuit board above the lower die plate 4221 to approach towards the upper die plate 421, the through hole needle 4211 is used for carrying out through holes on the circuit board, hole blocking and plate scraps fall into the material receiving box 11, after the through holes are finished, the piston rod of the air cylinder 423 drives the lower die frame 422 to descend, the lower die frame 4221 descends, the lower die plate 4221 drives the circuit board to move towards the direction away from the upper die plate 421, the circuit board is located between the two sliding rails 31, the driving assembly 32 drives the circuit board to move and conveys the circuit board onto the roller 511 of the material feeding mechanism 5, the third motor works to drive the rotating roller 511 to rotate, thereby driving the circuit board 4221 to drive the circuit board to move and automatically and drive the circuit board to move towards the upper die plate 421 to move towards the direction of the upper die plate 421, the through holes are stacked, the hydraulic plate 521 is lifted, the lifting platform 521 is lifted, and the efficiency of the lifting platform 521 is completed, and the lifting platform is gradually lowered, and the lifting platform 521 is driven by the lifting platform is lower.

The foregoing are all preferred embodiments of the present application, and are not intended to limit the scope of the present application in any way, therefore: all equivalent changes in structure, shape and principle of this application should be covered in the protection scope of this application.

Claims

1. An automatic hole penetrating machine, which is characterized in that: the hydraulic cylinder (521) comprises a frame (1), a feeding mechanism (2), a through hole mechanism (4) and a discharging mechanism (5) which are sequentially arranged on the frame (1) along the conveying direction of a circuit board, wherein the through hole mechanism (4) is used for carrying out through holes on the circuit board, a conveying mechanism (3) is arranged between the feeding mechanism (2) and the discharging mechanism (5), the conveying mechanism (3) penetrates through the through hole mechanism (4), the conveying mechanism (3) is used for conveying the circuit board in the feeding mechanism (2) to the discharging mechanism (5), the feeding mechanism (2) comprises a first conveying component (21) for conveying the circuit board to be through hole and a limiting plate (22) for limiting the conveying direction of the circuit board, the limiting plate (22) is arranged above the first conveying component (21), the limiting plate (22) is detachably connected to the frame (1), the discharging mechanism (5) comprises a second conveying component (51) and a lifting platform (521), the second conveying component (51) is arranged between the conveying mechanism (3) and the lifting platform (521), the second conveying component (521) is used for driving the lifting platform (521) to be connected with a cylinder (522) and a cylinder (522) for fixing the lifting cylinder (522) in the piston rod, the lifting platform (521) is used for bearing the circuit board conveyed by the second conveying assembly (51).

2. An automatic hole penetrating machine according to claim 1, wherein: the utility model discloses a circuit board conveying device, including frame (1), first conveying assembly (21), limiting plate (22), frame (1) is provided with a plurality of conveying rollers (211) along circuit board conveying direction, fixed two curb plates (13) that are provided with on the frame (1), two curb plates (13) are located the both ends of conveying roller (211) respectively, conveying roller (211) are connected with curb plate (13) rotation, limiting plate (22) are connected with curb plate (13) can be dismantled, the length direction of curb plate (13) and limiting plate (22) is the same with the conveying direction of circuit board, distance between limiting plate (22) and conveying roller (211) is less than the thickness of circuit board.

3. An automatic hole penetrating machine according to claim 2, wherein: limiting plate (22) are including first board (221), second board (222) and perpendicular roller (223), first board (221) and second board (222) fixed connection, the one end that second board (222) was kept away from to first board (221) is close to curb plate (13) slope setting, second board (222) are parallel to curb plate (13) each other, perpendicular roller (223) fixed connection is in the junction of first board (221) and second board (222), perpendicular roller (223) are used for avoiding the circuit board to block in the transportation process.

4. An automatic hole penetrating machine according to claim 2, wherein: the conveying mechanism (3) comprises a sliding rail (31), the sliding rail (31) is fixedly arranged along the length direction of the frame (1), the sliding rail (31) penetrates through the through hole mechanism (4), the conveying roller (211) is connected with the second conveying assembly (51) through the sliding rail (31), and the sliding rail (31) is rotationally connected with a transmission assembly (32) for conveying a circuit board.

5. An automatic hole penetrating machine according to claim 4, wherein: the transmission assembly (32) comprises a transmission roller (321) and a transmission belt (322) positioned on the periphery of the transmission roller (321), the transmission roller (321) is rotationally connected with the sliding rail (31), and one end, far away from the transmission assembly (32), of the sliding rail (31) is fixedly connected with a second motor (33) for driving the transmission roller (321) to rotate.

6. An automatic hole penetrating machine according to claim 1, wherein: the through hole mechanism (4) comprises a supporting component (41), an upper die plate (421) and a lower die frame (422) and an air cylinder (423), wherein the supporting component (41) is fixedly arranged on a frame (1), the upper die plate (421) is detachably connected with the supporting component (41), the upper die plate (421) is fixedly connected with a plurality of through hole needles (4211) for carrying out through holes on a circuit board towards one end of the frame (1), the lower die frame (422) and the upper die plate (421) are oppositely arranged, the lower die frame (422) is used for placing the circuit board, the air cylinder (423) is fixedly connected in the frame (1), a piston rod of the air cylinder (423) is fixedly connected with one end of the lower die frame (422) away from the upper die plate (421), and the air cylinder (423) is used for driving the lower die frame (422) to move.

7. The automatic hole penetrating machine according to claim 6, wherein a material receiving box (11) for plugging holes and plate scraps of the through holes is arranged in the frame (1), the material receiving box (11) is slidably connected with the frame (1), and the material receiving box (11) is located at one end, far away from the upper die plate (421), of the lower die frame (422).

8. An automatic hole penetrating machine according to claim 1, wherein: one end of the lifting platform (521) far away from the hydraulic cylinder (522) is provided with a baffle plate (5211), and the baffle plate (5211) is used for preventing the circuit board from falling off.

9. An automatic hole penetrating machine according to claim 1, wherein: the machine frame (1) is provided with a protective cover (12), and the protective cover (12) is rotationally connected with the machine frame (1).