High-speed double-head target shooting machine

Abstract

The invention discloses a high-speed double-head target shooting machine which comprises a workbench, a working face is arranged on the workbench, a first working area and a second working area are arranged in the working face, and two drilling modules capable of horizontally moving are arranged on the workbench and correspond to the first working area and the second working area in a one-to-one mode; a driving mechanism used for driving the drilling module to move in the horizontal direction is arranged between the drilling module and the workbench. A positioning mechanism used for correcting the position of the large circuit board is further arranged on the workbench. The positioning mechanism comprises a limiting mechanism and a clamping mechanism. Through the arrangement of a double-drilling-module structure and independent zoning drilling work, the drilling efficiency is effectively improved, the optical module and the drilling assembly are integrated on the same supporting plate, secondary correction of the drilling assembly on the positioning hole is achieved through the optical module and the driving mechanism, and the recognition intellectualization and the drilling precision of the target drilling machine are further improved.

Description

Technical Field

[0001] The present invention belongs to the field of circuit board drilling, and particularly relates to a high-speed double-headed target punching machine. Background Art

[0002] With the rapid development of electronic technology, circuit boards are increasingly widely used in various electronic devices, and their complexity and precision requirements are also constantly improving. Among them, the positioning hole drilling technology of circuit boards is one of the key links in the circuit board manufacturing process. The positioning holes are usually set at the four corners or diagonals of the circuit board, and an installation area for installing electronic components is formed between multiple positioning holes. Therefore, the positioning holes mainly play a role in positioning the position of the installation area on the circuit board.

[0003] However, the existing mechanical drilling equipment has poor mobility, moving efficiency, and drilling accuracy, which has become one of the important problems in the positioning hole drilling technology in the prior art and is difficult to meet the production requirements of modern high-precision, high-efficiency, and high-reliability circuit boards. Summary of the Invention

[0004] (1) Technical Problems to be Solved

[0005] The present invention discloses a high-speed double-headed target punching machine, aiming to solve the problems of poor mobility, moving efficiency, and drilling accuracy of the existing circuit board drilling equipment.

[0006] (2) Technical Solutions

[0007] The present invention discloses a high-speed double-headed target punching machine, which includes a workbench. Along the Y-axis direction on the workbench, there are successively a feeding end, a working surface, and a discharging end. The working surface is internally provided with a first working area and a second working area. On the workbench, there are two horizontally movable drilling modules, which are respectively arranged in one-to-one correspondence with the first working area and the second working area. On the working surface, there is also a large circuit board transported by a conveying mechanism. The parts of the large circuit board located in the first working area and the second working area are each divided into several small circuit boards. The drilling modules are used to perform hole-opening operations on the positioning holes of each small circuit board. Between the drilling module and the workbench, there is a driving mechanism for driving the drilling module to move horizontally. The driving mechanism includes a first moving module movable along the Y-axis direction and a second moving module movable along the X-axis direction. The drilling module includes a support plate, an optical module, a drilling component, and a lifting component. The optical module is arranged on the support plate, and the lifting component is used to drive the drilling component to slide up and down on the support plate. On the workbench, there is also a positioning mechanism for calibrating the position of the large circuit board. The positioning mechanism includes a limiting mechanism and a clamping mechanism.

[0008] After the large circuit board is conveyed into the working surface, the positioning mechanism pushes the large circuit board and performs rough positioning. The drilling assembly moves to above the positioning hole under the drive of the driving mechanism, and the optical module identifies the position of the positioning hole and drives the drilling assembly to move through the driving mechanism to perform secondary calibration of the position of the positioning hole.

[0009] Further, two first moving modules are provided and symmetrically arranged on both sides of the working surface. Two second moving modules are provided, and both ends of each second moving module are respectively slidably connected to the two first moving modules, so that the two second moving modules share a pair of the first moving modules.

[0010] Further, the first moving module includes a base, two bearing plates slidably connected to the base, and a first magnetic driving component arranged between the base and the bearing plates and used for driving the bearing plates to slide.

[0011] Further, the second moving module includes a fixed beam and a second magnetic driving component arranged between the fixed beam and the support plate and used for driving the support plate to slide.

[0012] Further, both the first magnetic driving component and the second magnetic driving component are linear motors, including stators and rotors.

[0013] Further, the lifting component includes a first motor, a lead screw, a nut, and a lifting plate. One end of the lifting plate is connected to the drilling assembly, and the other end is connected to the nut, and the nut is threadedly connected to the lead screw. The output shaft of the first motor is fixedly connected to the lead screw.

[0014] Further, the drilling assembly includes a fixed frame and an electric drill. The fixed frame is fixedly connected to the electric drill and the lifting plate respectively. A dust suction mechanism is provided at the output end of the electric drill; the dust suction structure includes a dust suction block and a dust suction pipe. A through hole communicating up and down is provided in the dust suction block, and the output end of the electric drill extends into the through hole, and the dust suction pipe is communicated with the through hole.

[0015] Further, the limiting mechanism includes a front limiting component arranged in the working surface and a rear limiting component arranged at the feeding end. Both the front limiting component and the rear limiting component are a pair of telescopic cylinders arranged at intervals in the X-axis direction.

[0016] Further, the clamping mechanism includes clamping components symmetrically arranged on both sides of the working surface. The clamping component includes a clamping plate for clamping the large circuit board and a clamping driving component for driving the clamping plate to move.

[0017] Furthermore, the clamping drive assembly includes a first driven wheel, a second driven wheel, a third driven wheel, and a fourth driven wheel arranged in a quadrilateral shape. The first driven wheel and the second driven wheel are connected with a first conveyor belt and a first guide rod, and the third driven wheel and the fourth driven wheel are connected with a second conveyor belt and a second guide rod. Both ends of the clamping plate are provided with sliding blocks, and the two sliding blocks are respectively slidably connected to the first guide rod and the second guide rod. At least one end of the clamping plate is further provided with a fastener, and the fastener is fixedly connected to the first conveyor belt or the second conveyor belt;

[0018] Both the second driven wheel and the third driven wheel are provided with a fifth driven wheel coaxially and linked. The two fifth driven wheels are connected with a third conveyor belt, and the third conveyor belt is provided with a driving wheel and a second motor for driving the driving wheel to rotate.

[0019] Compared with the prior art, the beneficial effects of the present invention are as follows:

[0020] 1. Through the highly integrated control of the console, the user only needs to set the basic data once, and the target shooting machine can automatically identify and move for batch hole opening, with a high degree of automation and effectively saving labor costs;

[0021] 2. By setting the double-drilling module structure and under the action of the driving mechanism, independent partition hole opening work can not only effectively improve the hole opening efficiency, but also further improve the hole opening accuracy and avoid mutual interference;

[0022] 3. By integrating the optical module and the drilling component in the drilling module on the same support plate, and using the optical module and the driving mechanism to realize the secondary alignment of the drilling component to the positioning hole, the recognition intelligence and hole opening accuracy of the target shooting machine are further improved. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 is the three-dimensional view of the whole machine of the present invention.

[0024] Figure 2 is the overall structural schematic diagram of the present invention.

[0025] Figure 3 is the top view structural schematic diagram of the present invention.

[0026] Figure 4 is the structural schematic diagram of the drilling module of the present invention.

[0027] Figure 5 is the cross-sectional view of the drilling module of the present invention.

[0028] Figure 6 is the schematic diagram of the optical module recognition and alignment process of the present invention.

[0029] Figure 7 is the schematic diagram of the hole opening process of the present inventionFigure 1 .

[0030] Figure 8 Schematic diagram of the opening process of the present invention Figure 2 .

[0031] Figure 9 Schematic diagram of the opening process of the present invention Figure 3 .

[0032] Figure 10 Schematic diagram of the structure of the driving mechanism of the present invention.

[0033] Figure 11 Schematic diagram of the structure of the positioning mechanism of the present invention.

[0034] Figure 12 Schematic diagram of the structure of the clamping mechanism of the present invention.

[0035] Figure 13 Schematic diagram of the structure of the clamping assembly of the present invention.

[0036] Figure 14 Exploded view of the splint of the present invention.

[0037] Figure 15 Schematic diagram of the structure of the working surface of the present invention.

[0038] Figure 16 Schematic diagram of the structure of the conveying mechanism of the present invention.

[0039] Figure 17 Exploded view of the conveying mechanism of the present invention.

[0040] Figure 18 Front view of the lifting process of the conveying mechanism of the present invention.

[0041] Reference numerals: 1, workbench; 11, feeding end; 12, working surface; 121, first working area; 122, second working area; 123, adsorption hole; 124, avoidance hole; 13, discharging end; 14, control console; 2, drilling module; 21, support plate; 22, optical module; 221, industrial camera; 222, light source lens; 23, drilling assembly; 231, fixing frame; 232, electric drill; 233, dust suction mechanism; 234, dust suction block; 235, dust suction pipe; 236, through hole; 24, lifting assembly; 241, first motor; 242, lead screw; 243, nut; 244, lifting plate; 3, conveying mechanism; 31, large circuit board; 32, small circuit board; 321, positioning hole; 33, fixing plate; 331, conveying auxiliary wheel; 34, third motor; 341, conveying main wheel; 35, fourth conveyor belt; 36, connecting plate; 37, transmission rod; 38, height adjustment assembly; 381, adjustment plate; 382, adjusting member; 4, driving mechanism; 41, first moving module; 411, base; 412, bearing plate; 413, first magnetic driving component; 42, second moving module; 421, fixed beam; 422, second magnetic driving component; 43, stator; 44, rotor; 45, slide rail; 46, slider; 5, positioning mechanism; 51, limiting mechanism; 511, front limiting component; 512, rear limiting component; 52, clamping mechanism; 521, clamping component; 522, clamping plate; 5221, sliding block; 5222, fastener; 5223, moving plate; 5224, buffer plate; 5225, guide rod; 5226, countersunk head screw; 5227, spring; 523, clamping driving component; 5231, first driven wheel; 5232, second driven wheel; 5233, third driven wheel; 5234, fourth driven wheel; 5235, fifth driven wheel; 5236, first conveyor belt; 5237, first guide rod; 5238, second conveyor belt; 5239, second guide rod; 524, third conveyor belt; 525, driving wheel; 526, second motor. Detailed implementation manners

[0042] To make the objectives, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Apparently, the described embodiments are some, but not all, of the embodiments of the present invention. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present invention without creative efforts shall fall within the protection scope of the present invention.

[0043] As Figures 1-3As shown in the figure, the present invention discloses a high-speed double-headed target punching machine, which includes a workbench 1. Along the Y-axis direction on the workbench 1, there are successively arranged a feeding end 11, a working surface 12, and a discharging end 13. On the workbench 1, there is also a conveying mechanism 3 for transporting a large circuit board 31. The conveying mechanism 3 successively penetrates through the feeding end 11, the working surface 12, and the discharging end 13, and is used to transport the large circuit board 31 from the feeding end 11 to the working surface 12 for positioning and processing of the positioning holes 321, and then discharges from the discharging end 13. In order to further improve the automation efficiency, a feeding device and a discharging device can be respectively arranged at the feeding end 11 and the discharging end 13 to realize automatic loading and unloading of the large circuit board 31.

[0044] Among them, in the working surface 12, there are a first working area 121 and a second working area 122. After the large circuit board 31 is transported into the working surface 12, the parts located in the first working area 121 and the second working area 122 are respectively divided into several small circuit boards 32. On the workbench 1, there are two horizontally movable drilling modules 2, which are respectively arranged in a one-to-one correspondence with the first working area 121 and the second working area 122 from top to bottom. The two drilling modules 2 are used to respectively perform hole-opening operations on the positioning holes 321 of each small circuit board 32 located in the first working area 121 and the second working area 122, so that the hole-opening work has a clear division of labor and does not interfere with each other, further improving the hole-opening efficiency and accuracy of the positioning holes 321.

[0045] Specifically, between the drilling module 2 and the workbench 1, there is a driving mechanism 4 for driving the drilling module 2 to move horizontally. The driving mechanism 4 includes a first moving module 41 that can move along the Y-axis direction and a second moving module 42 that can move along the X-axis direction.

[0046] In this embodiment, the first moving module 41 extends along the Y-axis direction and there are two of them. The two first moving modules 41 are arranged symmetrically and parallel to each other on both sides of the working surface 12. The second moving module 42 extends along the X-axis direction and there are also two of them. The two second moving modules 42 are arranged parallel to each other. It is preferably that the first moving module 41 and the second moving module 42 are arranged perpendicular to each other. Both ends of each second moving module 42 are respectively slidably connected to the two first moving modules 41, so that the two second moving modules 42 share a pair of the first moving modules 41. Each second moving module 42 is provided with a drilling module 2. In practical applications, two or more drilling modules 2 can also be arranged on each second moving module 42 to further improve the hole-opening efficiency.

[0047] By using the first moving module 41 and the second moving module 42 in cooperation, each drilling module 2 can slide horizontally above the small circuit board 32 in the corresponding working area to perform the opening operation of the positioning hole 321, making the positioning of the positioning hole 321 simpler, more convenient, and highly efficient and accurate;

[0048] Further, as Figures 4-5 shown, the drilling module 2 includes a support plate 21, a drilling assembly 23, and a lifting assembly 24. The drilling assembly 23 is slidably connected to the support plate 21 up and down, and the lifting assembly 24 is used to drive the up and down sliding of the drilling assembly 23. After the drilling module 2 moves above the positioning hole 321, the drilling assembly 23 can slide downward under the drive of the lifting assembly 24, contact the large circuit board 31 and open a hole. After the hole opening is completed, it can move upward again through the lifting assembly 24 and separate from the large circuit board 31, and then move to the next positioning hole 321 to perform the opening operation of another positioning hole 321;

[0049] Specifically, the lifting assembly 24 adopts a lead screw structure, including a first motor 241, a lead screw 242, a nut 243, and a lifting plate 244. The first motor 241 is fixed on the support plate 21. One end of the lifting plate 244 is fixedly connected to the drilling assembly 23, and the other end is fixedly connected to the nut 243. The nut 243 is sleeved on the lead screw 242 and the two are threadedly connected. The output shaft of the first motor 241 is fixedly connected to the lead screw 242; under the forward and reverse drive of the first motor 241 and the thread cooperation, the lead screw 242 rotates and drives the nut 243 and the lifting plate 244 to perform orderly lifting and lowering movements along the length direction of the lead screw 242, thereby realizing the effective lifting and lowering movement of the drilling assembly 23. At the same time, a slide rail 45 and a slider 46 structure can also be provided between the lifting plate 244 and the support plate 21 to further improve the lifting stability of the drilling assembly 23;

[0050] It should be noted that in addition to this lead screw structure, traditional lifting transmission structures such as cylinder structures, oil cylinder structures, and magnetically controlled linear motors can also be used in this embodiment;

[0051] Further, the drilling assembly 23 includes a fixing frame 231 and an electric drill 232. The fixing frame 231 is fixedly connected to the electric drill 232 and the lifting plate 244 respectively. The output end of the electric drill 232 extends toward the working surface 12, and a dust suction mechanism 233 is also provided at the end of the electric drill 232;

[0052] As Figure 5As shown, the dust suction mechanism 233 includes a dust suction block 234 slidably connected to the fixed frame 231 and a dust suction pipe 235 fixedly connected to the dust suction block 234. A through hole 236 communicating up and down is provided in the dust suction block 234. The output end of the electric drill 232 extends into the through hole 236 from above the through hole 236, and the dust suction pipe 235 communicates with the through hole 236.

[0053] During use, the drilling assembly 23 moves downward under the drive of the lifting assembly 24. At this time, the lower end surface of the dust suction block 234 first abuts against the large circuit board 31. The drilling assembly 23 continues to move downward. The dust suction block 234 remains in contact with the large circuit board 31 under the action of the guide rod connected to the fixed frame 231, and the electric drill 232 gradually approaches and performs a hole-opening operation on the large circuit board 31. Since debris and dust will be generated during the hole-opening process, a vacuum cleaner (not shown) connected to the dust suction pipe 235 can suck away the debris and dust in the positioning hole 321 through the dust suction pipe 235 and the through hole 236, making the working surface 12 clean and tidy during the hole-opening process and reducing the hole-opening error caused by debris and dust.

[0054] It should be noted that due to the dimensional differences in the workmanship of the large circuit board 31, there may be a position error in the positioning hole 321 only by driving the movement of the drilling module 2 by the driving mechanism 4, which may lead to low hole-opening accuracy and even the problem of the position deviation of the positioning hole 321. In order to effectively solve this technical problem,

[0055] As Figure 4 or 6 shows, in this embodiment, the drilling module 2 further includes an optical module 22. The optical module 22 is fixedly arranged on the support plate 21. By arranging the optical module 22 on the drilling module 2, after the drilling module 2 can be moved to above the positioning hole 321 by the driving mechanism 4 for preliminary positioning, and then through the recognition of the optical module 22 and driving the driving mechanism 4 again to finely adjust the position of the drilling module 2, the opening position of the positioning hole 321 is further adjusted, so as to achieve double-precision calibration of the positioning hole 321, and further effectively improve the hole-opening accuracy and stability of the positioning hole 321. At the same time, by arranging the optical module 22 and the drilling assembly 23 on the same support plate 21, and the optical module 22 does not move up and down with the lifting of the drilling assembly 23, the recognition and detection of the optical module 22 are more accurate and the structure is simple, which can effectively save the recognition cost and make the movement and calibration of the drilling module 2 more stable and accurate.

[0056] Preferably, the optical module 22 includes a CCD industrial camera 221 and a light source lens 222.

[0057] Meanwhile, as Figure 3 shown, in addition to the automatic identification and double positioning of the drilling module 2, the positioning of the large circuit board 31 is also quite crucial. Therefore, a positioning mechanism 5 for calibrating the position of the large circuit board 31 is further provided on the workbench 1. The positioning mechanism 5 includes a limiting mechanism 51 for limiting the large circuit board 31 in the Y-axis direction and a clamping mechanism 52 for correcting the position of the large circuit board 31 in the X-axis direction;

[0058] Taking Figure 3 and 7 Fig. 9-9 as an example, the specific technical solution of the present invention will be described in detail;

[0059] In use, the large circuit board 31 is moved into the working surface 12 under the drive of the conveying mechanism 3, and the position of the large circuit board 31 is calibrated in the XY-axis directions under the cooperation of the positioning mechanism 5, so as to realize the unified fixation of the position of the large circuit board 31. At this time, the large circuit board 31 covers the working surface 12 and is at least partially arranged in the first working area 121 and the second working area 122. The parts of the large circuit board 31 located in the first working area 121 and the second working area 122 are each divided into four small circuit boards 32 of comparable size, and the positioning holes 321 are located at the four corners or diagonals of each small circuit board 32; under the drive of the driving mechanism 4, the two drilling modules 2 respectively move to their corresponding working areas to perform hole-opening operations on each small circuit board 32; among them, the sizes of the first working area 121 and the second working area 122 do not need to be exactly the same, that is, when there are four small circuit boards 32 divided in the first working area 121, the second working area 122 can be divided into two or six small circuit boards 32 according to actual production needs ( Figures 7-8 ), and the sizes of the small circuit boards 32 in the two different working areas can also be different ( Figure 9 ), so that the hole-opening operation of the present invention is more flexible and convenient, and is suitable for synchronous hole-opening processing of circuit boards with the same or different positioning hole 321 positions and circuit board sizes;

[0060] When the drilling module 2 moves above the small circuit board 32 or the positioning hole 321, the optical module 22 in the drilling module 2 will identify according to different reference objects (such as the edge of the circuit board, the position of adjacent positioning holes 321, and other circuit board structures, etc.), and determine whether the position of the positioning hole 321 is correct. If there is a deviation, the driving mechanism 4 will drive the drilling module 2 to move again for fine adjustment, so as to realize the secondary calibration of the position of the positioning hole 321, and further improve the opening accuracy of the drilling module 2 for the positioning hole 321;

[0061] It should be noted that since the two drilling modules 2 have independent second moving modules 42 and independent moving strokes of the first moving module 41, the two drilling modules 2 can perform independent moving and opening operations in their corresponding working areas without interference. The user can control the driving mechanism 4 to make the two drilling modules 2 have the same or different opening moving sequences and directions, so as to realize the personalized opening requirements of the user for the small circuit board 32, making the opening of the positioning hole 321 more efficient, flexible and accurate.

[0062] Specifically, as Figure 10 shown, the first moving module 41 includes a base 411, a carrier plate 412 and a first magnetic driving component 413; there are two carrier plates 412 which are respectively arranged in one-to-one correspondence with the two second moving modules 42. The first magnetic driving component 413 is arranged between the base 411 and the carrier plate 412, one end of which is connected to the base 411 and the other end is connected to the carrier plate 412, and is used to drive the carrier plate 412 to slide on the base 411;

[0063] Furthermore, the second moving module 42 includes a fixed beam 421 and a second magnetic driving component 422. The two drilling modules 2 are arranged oppositely and on the opposite sides of the two fixed beams 421. The second magnetic driving component 422 is arranged between the fixed beam 421 and the support plate 21 in the drilling module 2, one end of which is connected to the fixed beam 421 and the other end is connected to the support plate 21, and is used to drive the support plate 21 to slide on the fixed beam 421;

[0064] In this embodiment, the first magnetic drive assembly 413 and the second magnetic drive assembly 422 are both preferably linear motors, each including a stator 43 and a mover 44. Since a linear motor has very precise position control and acceleration adjustment capabilities, and can directly convert electrical energy into linear motion without an intermediate conversion mechanism, the movement of the first moving module 41 and the second moving module 42 is more precise, efficient, and responsive. At the same time, the linear motor has a simple structure and no mechanical friction components, so the service life of the drive mechanism 4 is longer and the maintenance cost is lower, effectively improving the durability and use stability of the present invention.

[0065] Preferably, slide rails 45 are further provided on both the base 411 and the fixed beam 421, and sliders 46 corresponding to the slide rails 45 are provided on both the carrier plate 412 and the support plate 21. Through the arrangement of the slide rails 45 and the sliders 46, the sliding stability of the first moving module 41 and the second moving module 42 is effectively improved.

[0066] Specifically, as Figure 11 shown, the limiting mechanism 51 includes a front limiting component 511 and a rear limiting component 512. Both the front limiting component 511 and the rear limiting component 512 are a pair of telescopic cylinders arranged at intervals along the X-axis direction. Among them, the front limiting component 511 is arranged below the working surface 12 and fixedly connected to the workbench 1. Its telescopic output end can extend upward through the working surface 12 to abut against the side wall of the large circuit board 31 and block the movement of the large circuit board 31, thereby playing a role in limiting the large circuit board 31 in the X-axis direction. The rear limiting component 512 is arranged on one side close to the feeding end 11. By extending the telescopic output end of the rear limiting component 512 upward to abut against the side wall of the next large circuit board 31 that is about to enter the working surface 12, it plays a role in limiting the entry of the next large circuit board 31 into the working surface 12, so as to ensure the orderly separation and non-interference of adjacent large circuit boards 31 during the drilling process.

[0067] Furthermore, as Figures 12-13As shown, since the large circuit board 31 may rotate or shift in the Y-axis direction during the conveying process, the clamping mechanism 52 is required to calibrate the position of the large circuit board 31. Specifically, the clamping mechanism 52 includes a pair of clamping components 521 symmetrically arranged on both sides of the working surface 12, and the clamping component 521 includes a clamping plate 522 for clamping the peripheral wall of the large circuit board 31 and a clamping driving component 523 for driving the clamping plate 522 to move, and the clamping driving component 523 includes a driven wheel 1 5231, a driven wheel 2 5232, a driven wheel 3 5233 and a driven wheel 4 5234 arranged in a quadrilateral shape;

[0068] The driven wheel 1 5231 and the driven wheel 2 5232 are a set of driven wheel groups arranged along the X-axis direction, and a first conveyor belt 5236 and a first guide rod 5237 are connected between the two, and the driven wheel group is arranged on a side close to the discharge end 13; and the driven wheel 3 5233 and the driven wheel 4 5234 constitute another set of driven wheel groups, and the driven wheel group is arranged on a side close to the feed end 11, and a second conveyor belt 5238 and a second guide rod 5237 are connected between the driven wheel 3 5233 and the driven wheel 4 5234. Guide rod 5239, both ends of the clamping plate 522 are provided with sliding blocks 5221, and the two sliding blocks 5221 are respectively sleeved and slidably connected to the first guide rod 5237 and the second guide rod 5239, so that one end of the clamping plate 522 is slidably connected to the first guide rod 5237, and the other end is slidably connected to the second guide rod 5239; at least one end of the clamping plate 522 is also provided with a fastener 5222, and the fastener 5222 is fixedly connected to the first conveyor belt 5236 or the second conveyor belt 5238;

[0069] At the same time, the second driven wheel 5232 and the third driven wheel 5233 are both provided with a fifth driven wheel 5235 which is coaxially linked with each other, and the two fifth driven wheels 5235 are connected with a third conveyor belt 524, and the third conveyor belt 524 is provided with a driving wheel 525 and a second motor 526 which drives the driving wheel 525 to rotate;

[0070] During the alignment process of the position of the large circuit board 31, the second motor 526 drives the driving wheel 525 to rotate, and the driving wheel 525 synchronously drives the third conveyor belt 524 and the two driven wheels five 5235 to rotate synchronously. Since the driven wheel five 5235 and the driven wheel two 5232 or the driven wheel three 5233 are coaxially linked, when the driven wheel five 5235 rotates, the driven wheel two 5232 or the driven wheel three 5233 linked to it will also rotate synchronously, thereby driving the driven wheel one 5231, the first conveyor belt 5236, the driven wheel four 5234, and the second conveyor belt 5238 to rotate synchronously; under the combined action of the fastener 5222 and the sliding block 5221, the clamping plate 522 is realized to move parallel in the X-axis direction, and further the mutual opening and closing movement of the two clamping plates 522 is realized to push and clamp the large circuit board 31 to move it to the accurate opening position;

[0071] Preferably, as Figure 14 shown, at least one of the clamping plates 522 includes a moving plate 5223 and a buffer plate 5224, the moving plate 5223 and the buffer plate 5224 are arranged in parallel, and the buffer plate 5224 is elastically connected to the side of the moving plate 5223 close to the large circuit board 31; wherein, a plurality of guide rods 5225, countersunk head screws 5226 and springs 5227 are arranged between the moving plate 5223 and the buffer plate 5224, the guide rods 5225 sequentially penetrate through the moving plate 5223 and the buffer plate 5224, and provide a guiding effect for the mutual approach or separation of the moving plate 5223 and the buffer plate 5224, and the two ends of the spring 5227 respectively press the moving plate 5223 and the buffer plate 5224, so that the two always maintain a tendency of mutual elastic separation, and one end of the countersunk head screw 5226 is fixedly connected to the buffer plate 5224, and after the other end passes through the moving plate 5223, its countersunk head end is in sliding contact with the side wall of the moving plate 5223, thereby restricting the separation distance between the moving plate 5223 and the buffer plate 5224;

[0072] During use, the two clamping plates 522 approach and squeeze towards the large circuit board 31 for alignment. Due to the workmanship differences of different large circuit boards 31, it is easy to damage the larger-sized large circuit board 31 with the same clamping and moving stroke. Through the buffer design of the buffer plate 5224 and the moving plate 5223, after the two clamping plates 522 clamp and align the large circuit board 31 in place, when the two clamping plates 522 continue to clamp and move due to the workmanship differences of the large circuit board 31 or errors of the clamping mechanism 52, this buffer design can well protect the large circuit board 31 and further improve the processing yield of the large circuit board 31;

[0073] It should be noted that through the ingenious design and mutual cooperation of the limiting mechanism 51 and the clamping mechanism 52, the large circuit board 31 located in the working surface 12 can be effectively and quickly positioned and its position calibrated.

[0074] Specifically, as Figure 15 shown, after the positioning of the large circuit board 31 is completed, in order to effectively fix the large circuit board 31 located in the working surface 12 and prevent it from shifting or rotating during the hole-opening process, a number of adsorption holes 123 are also provided on the working surface 12. The adsorption holes 123 generate a downward suction force to adsorb the large circuit board 31, so that the large circuit board 31 can be effectively fixed in the working surface 12, further improving the opening stability and accuracy of the positioning holes 321;

[0075] Furthermore, in order to avoid interference of the working surface 12 with the output end of the electric drill 232 when the electric drill 232 of the drilling assembly 23 opens a hole, a number of avoidance holes 124 that cooperate with the drilling assembly 23 are also provided in the working surface 12. That is to say, during the hole-opening process, when the electric drill 232 moves downward and its output end rotates through the large circuit board 31, it can extend into the avoidance holes 124 to ensure the effective and complete opening of the positioning holes 321 and improve the opening accuracy of the positioning holes 321.

[0076] Specifically, as Figures 16-17 shown, the conveying mechanism 3 includes a fixing plate 33 extending along the Y-axis direction, a third motor 34, a conveying auxiliary wheel 331 provided at the end of the fixing plate 33, a conveying main wheel 341 provided on the third motor 34, and a fourth conveyor belt 35 connecting the conveying auxiliary wheel 331 and the conveying main wheel 341. When the third motor 34 drives the conveying main wheel 341 to rotate, it can effectively drive the conveying auxiliary wheel 331 and the fourth conveyor belt 35 to rotate stably, and then drive the large circuit board 31 located on the fourth conveyor belt 35 to move stably;

[0077] Furthermore, two fixing plates 33 are provided and arranged in parallel with each other. The structures on the two fixing plates 33 are the same and are fixedly connected by a connecting plate 36. The third motor 34 is fixed on the connecting plate 36, and a transmission rod 37 is connected between the two conveying main wheels 341. When the third motor 34 drives at least one of the conveying main wheels 341 to rotate, it can synchronously drive the fourth conveyor belts 35 on the two fixing plates 33 to rotate through the transmission rod 37, and then provide more stable conveying support for the large circuit board 31;

[0078] Further, two height adjustment components 38 are also provided on the bottom of the workbench 1. The height adjustment component 38 includes an adjustment plate 381 with two ends fixedly connected to the two fixed plates 33 respectively, and an adjustment member 382 with one end fixedly connected to the workbench 1 and the other end fixedly connected to the adjustment plate 381. The adjustment member 382 can be a telescopic cylinder. In this embodiment, the output end of the telescopic cylinder is fixedly connected to the adjustment plate 381.

[0079] During use, as Figure 18 shown, by adjusting the expansion and contraction of the output end of the adjustment member 382, the adjustment plate 381 is pushed upward, so as to realize the overall lifting of the conveying mechanism 3. That is to say, when it is necessary to convey the large circuit board 31, the output end of the adjustment member 382 jacks up and drives the whole conveying mechanism 3 to move upward and abut against the bottom of the large circuit board 31, so as to realize the effective conveyance of the large circuit board 31. When drilling is required, the output end of the adjustment member 382 retracts and drives the whole conveying mechanism 3 to move downward, so that the conveying mechanism 3 is separated from the bottom of the large circuit board 31, which is convenient for the effective adsorption of the adsorption holes 123.

[0080] In the present invention, the high-speed double-head target machine further includes a console 14, and the console 14 is electrically connected to each driving structure respectively for integrated control of each driving structure.

[0081] The following is a detailed description of the working principle of the present invention;

[0082] During use, the user can set the basic data of the large circuit board 31 and the positioning holes 321 in the console 14 and start the high-speed double-head target machine;

[0083] The whole conveying mechanism 3 moves upward, and the large circuit board 31 is conveyed from the feeding end 11 through the conveying mechanism 3 towards the working surface 12. Under the blocking action of the limiting mechanism 51, the current large circuit board 31 is restricted within the working surface 12, and the next large circuit board 31 is restricted at the feeding end 11 to realize the limitation of the large circuit board 31 in the Y-axis direction. Subsequently, the conveying mechanism 3 moves downward, and the large circuit board 31 is placed on the working surface 12 and is clamped by the clamping mechanism 52 to realize the movement and position limitation of the large circuit board 31 in the X-axis direction. After the position positioning of the large circuit board 31 is completed, the large circuit board 31 is effectively fixed on the working surface 12 under the action of the adsorption holes 123;

[0084] Next, the drilling module 2 moves above the positioning hole 321 under the drive of the drive mechanism 4. At this time, the optical module 22 identifies the position of the positioning hole 321 and feeds back the signal to the console 14. Then the console 14 drives the drive mechanism 4 again to perform secondary alignment of the position of the drilling module 2, further improving the position accuracy of the positioning hole 321 and adjusting and adapting to the overall process error of the large circuit board 31, and completing the highly accurate drilling operation of the height of the positioning hole 321;

[0085] During the drilling process, the two drilling modules 2 perform independent and orderly drilling operations in their respective working areas under the drive of the drive mechanism 4 without interfering with each other, effectively improving the drilling efficiency and accuracy of the positioning hole 321;

[0086] After the drilling is completed, the limiting mechanism 51 contracts downward, the conveying mechanism 3 moves upward and abuts against the bottom of the large circuit board 31, and then conveys the large circuit board 31 to the discharging end 13 for discharging. After the feeding is completed, the limiting mechanism 51 extends again, and the next large circuit board 31 enters the working surface 12 again to perform the positioning and drilling operations of the large circuit board 31 and the positioning hole 321, so as to realize the fast and automatic batch operation of the positioning hole 321 of the large circuit board 31.

[0087] The innovation of the present invention lies in the highly integrated control of the console, enabling the user to set the basic data only once, and the target shooting machine can automatically identify and move for batch drilling, with a high degree of automation and effectively saving labor costs; moreover, by setting a double-drilling module structure and under the action of the drive mechanism, independent partition drilling work can not only effectively improve the drilling efficiency, but also further improve the drilling accuracy and avoid mutual interference; secondly, by integrating the optical module and the drilling component in the drilling module on the same support plate and using the optical module and the drive mechanism to realize the secondary alignment of the drilling component to the positioning hole, the recognition intelligence and drilling accuracy of the target shooting machine are further improved.

[0088] In addition, it should be understood that although this specification is described according to embodiments, not every embodiment only contains an independent technical solution. This narrative way of the specification is only for clarity. Those skilled in the art should regard the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that can be understood by those skilled in the art.

[0089] It is obvious to those skilled in the art that the present invention is not limited to the details of the above-described exemplary embodiments, and that the present invention can be implemented in other specific forms without departing from the spirit or essential characteristics of the present invention. Therefore, in any regard, the embodiments should be regarded as exemplary and non-limiting. The scope of the present invention is defined by the appended claims rather than the above description. Accordingly, all changes that fall within the meaning and scope of the equivalent elements of the claims are intended to be embraced within the present invention. Any reference signs in the claims should not be construed as limiting the claims involved.

Claims

1. A high-speed double-head target shooting machine, characterized in that, It includes a workbench (1). Along the Y-axis direction on the workbench (1), there are successively a feeding end (11), a working surface (12), and a discharging end (13). Inside the working surface (12), there are a first working area (121) and a second working area (122). On the workbench (1), there are two horizontally movable drilling modules (2) which are respectively arranged in one-to-one correspondence with the first working area (121) and the second working area (122). On the working surface (12), there is also a large circuit board (31) transported by a conveying mechanism (3). The parts of the large circuit board (31) located in the first working area (121) and the second working area (122) are each divided into several small circuit boards (32). The drilling module (2) is used to open positioning holes (321) for each of the small circuit boards (32). Between the drilling module (2) and the workbench (1), there is a driving mechanism (4) for driving the drilling module (2) to move horizontally. The driving mechanism (4) includes a first moving module (41) movable along the Y-axis direction and a second moving module (42) movable along the X-axis direction. The drilling module (2) includes a support plate (21), an optical module (22), a drilling component (23), and a lifting component (24). The optical module (22) is arranged on the support plate (21). The lifting component (24) is used to drive the drilling component (23) to slide and lift on the support plate (21). On the workbench (1), there is also a positioning mechanism (5) for calibrating the position of the large circuit board (31). The positioning mechanism (5) includes a limiting mechanism (51) and a clamping mechanism (52). After the large circuit board (31) is transported into the working surface (12), the positioning mechanism (5) pushes the large circuit board (31) for rough positioning. The drilling component (23) moves above the positioning hole (321) under the drive of the driving mechanism (4). The optical module (22) then identifies the position of the positioning hole (321) and drives the drilling component (23) to move through the driving mechanism (4) for secondary calibration of the position of the positioning hole (321).

2. The high-speed double-head target shooting machine according to claim 1, wherein There are two first moving modules (41) which are symmetrically arranged on both sides of the working surface (12). There are two second moving modules (42), and both ends of each second moving module (42) are respectively slidably connected to the two first moving modules (41), so that the two second moving modules (42) share a pair of the first moving modules (41).

3. The high-speed double-head target shooting machine according to claim 2, wherein, The first moving module (41) includes a base (411), two carrier plates (412) slidably connected to the base (411), and a first magnetic driving component (413) arranged between the base (411) and the carrier plates (412) and used to drive the carrier plates (412) to slide.

4. The high-speed double-head target shooting machine according to claim 3, characterized in that, The second moving module (42) includes a fixed beam (421) and a second magnetic driving assembly (422) disposed between the fixed beam (421) and the support plate (21) and used for driving the support plate (21) to slide.

5. The high-speed double-head target shooting machine according to claim 4, wherein, Both the first magnetic driving assembly (413) and the second magnetic driving assembly (422) are linear motors, including a stator (43) and a rotor (44).

6. The high-speed double-head target shooting machine according to claim 1, wherein The lifting assembly (24) includes a first motor (241), a lead screw (242), a nut (243), and a lifting plate (244). One end of the lifting plate (244) is connected to the drilling assembly (23), and the other end is connected to the nut (243). The nut (243) is threadedly connected to the lead screw (242), and the output shaft of the first motor (241) is fixedly connected to the lead screw (242).

7. The high-speed double-head target shooting machine according to claim 6, characterized in that, The drilling assembly (23) includes a fixed frame (231) and a drill (232). The fixed frame (231) is fixedly connected to the drill (232) and the lifting plate (244) respectively. A dust suction mechanism (233) is provided at the output end of the drill (232); the dust suction structure (233) includes a dust suction block (234) and a dust suction pipe (235). A through hole (236) communicating up and down is provided in the dust suction block (234), and the output end of the drill (232) extends into the through hole (236), and the dust suction pipe (235) is communicated with the through hole (236).

8. The high-speed double-head target shooting machine according to claim 1, characterized in that, The limiting mechanism (51) includes a front limiting assembly (511) disposed in the working surface (12) and a rear limiting assembly (512) disposed at the feeding end (11). Both the front limiting assembly (511) and the rear limiting assembly (512) are a pair of telescopic cylinders arranged at intervals in the X-axis direction.

9. The high-speed double-head target shooting machine according to claim 8, characterized in that, The clamping mechanism (52) includes clamping assemblies (521) symmetrically arranged on both sides of the working surface (12). The clamping assembly (521) includes a clamping plate (522) for clamping the large circuit board (31) and a clamping driving assembly (523) for driving the clamping plate (522) to move.

10. The high-speed double-head target shooting machine according to claim 9, wherein, The clamping driving assembly (523) includes a first driven wheel (5231), a second driven wheel (5232), a third driven wheel (5233), and a fourth driven wheel (5234) arranged in a quadrilateral shape. The first driven wheel (5231) and the second driven wheel (5232) are connected with a first conveyor belt (5236) and a first guide rod (5237), and the third driven wheel (5233) and the fourth driven wheel (5234) are connected with a second conveyor belt (5238) and a second guide rod (5239). Sliding blocks (5221) are provided at both ends of the clamping plate (522), and the two sliding blocks (5221) are respectively slidably connected to the first guide rod (5237) and the second guide rod (5239). At least one end of the clamping plate (522) is further provided with a fastener (5222), and the fastener (5222) is fixedly connected to the first conveyor belt (5236) or the second conveyor belt (5238); The driven wheel two (5232) and the driven wheel three (5233) are both provided with a driven wheel five (5235) which is coaxially linked, and the two driven wheels five (5235) are connected to a third conveyor belt (524), and the third conveyor belt (524) is provided with a driving wheel (525) and a second motor (526) which drives the driving wheel (525) to rotate.

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