Equipment for automatically taking and placing PCB (Printed Circuit Board) drill points

Abstract

The utility model relates to a device for automatically taking and placing PCB drill points, which comprises a base platform, a first carrying platform and a second carrying platform which are arranged along the transverse direction and adjacent to each other, a plurality of material boxes provided with drill points are arranged on the first carrying platform, and a plurality of cutter boxes are arranged on the second carrying platform; the clamping assembly is movably arranged on the base table and comprises a first motor, a first guide rail, an output shaft, a photoelectric sensing assembly and a plurality of pneumatic clamping jaws, the first guide rail and the output shaft extend in the transverse direction, the first motor can drive the output shaft to rotate, and the photoelectric sensing assembly is electrically connected with the first motor and can control the rotation angle of the output shaft; the multiple pneumatic clamping jaws are in linkage with the output shaft and are in sliding connection with the first guide rail, and the output shaft can rotate so that the interval between the multiple pneumatic clamping jaws can be increased or decreased in the transverse direction. And the main driving control piece is arranged on the base table and can control the clamping assembly to move in the transverse direction, the longitudinal direction and the vertical direction. According to the equipment for automatically taking and placing the PCB drill points, the distance between the pneumatic clamping jaws can be accurately adjusted, so that the drill points at different positions can be grabbed.

Description

Technical Field

[0001] The utility model relates to the technical field of pick - and - place equipment, in particular to an automatic pick - and - place PCB drill bit equipment. Background Art

[0002] In the field of PCB drilling processing, in order to meet the requirements of large - batch processing, drill bits usually need to be transferred from a cartridge to a tool magazine according to the processing specification requirements, and the drill bits in the tool magazine are directly taken by a drilling machine for drilling processing.

[0003] At present, pneumatic grippers are mostly used to transfer drill bits from a cartridge to a tool magazine. Since the number of drill bits is large, in order to improve the transfer efficiency, multiple pneumatic grippers are provided. During the picking - up and transferring process, multiple pneumatic grippers need to adjust the spacing to adapt to picking up drill bits at different positions. In the existing structure, multiple pneumatic grippers are connected by a hinge structure and driven by a cylinder to adjust the spacing. This driving structure has low precision, and the pneumatic grippers are prone to not accurately reaching the position of the drill bit to be transferred. Summary of the Utility Model

[0004] Based on this, in view of the problem that the pneumatic grippers are prone to not accurately reaching the position of the drill bit to be transferred, it is necessary to provide an automatic pick - and - place PCB drill bit equipment that can accurately adjust the spacing of each pneumatic gripper to pick up drill bits at different positions.

[0005] An automatic pick - and - place PCB drill bit equipment includes:

[0006] A base platform, on which an adjacent first carrier platform and a second carrier platform are arranged along a horizontal first direction. A plurality of cartridges filled with drill bits are arranged on the first carrier platform, and a plurality of tool magazines are arranged on the second carrier platform.

[0007] A picking - up component, movably arranged on the base platform. The picking - up component includes a first motor, a first guide rail, an output shaft, a photoelectric sensing component and a plurality of pneumatic grippers. The first guide rail and the output shaft extend along the first direction. The first motor can drive the output shaft to rotate. The photoelectric sensing component is electrically connected to the first motor and can control the rotation angle of the output shaft. A plurality of the pneumatic grippers are linked with the output shaft and are slidably connected to the first guide rail. The output shaft can rotate to increase or decrease the spacing of the plurality of pneumatic grippers along the first direction; and

[0008] A total driving control component, arranged on the base platform, and the total driving control component can control the picking - up component to move along the first direction, a second direction perpendicular to the first direction horizontally, and a third direction perpendicular to the first direction vertically.

[0009] The above-mentioned automatic PCB drill bit picking and placing device can drive the clamping component to the first carrier through the total drive control component. After the clamping component reaches the material picking position, the output shaft is driven to rotate by the first motor, and the photoelectric sensing component controls the rotation angle of the output shaft, so that each pneumatic gripper can accurately move to the position corresponding to the drill bit. Then, the total drive control component drives the clamping component to move downward, and the drill bit is clamped by the pneumatic gripper. Finally, through the drive of the total drive control component, the pneumatic gripper places the drill bit in the corresponding hole of the tool magazine. The entire pneumatic gripper spacing adjustment structure is very stable with the cooperation of the first motor and the output shaft, and the photoelectric sensing component can accurately control the rotation angle of the output shaft, enabling the pneumatic gripper to accurately move to the material picking position.

[0010] In one embodiment, the output shaft is spirally provided with a guide groove, the pitch of the guide groove decreases from large to small, the pneumatic gripper has a roller bearing, and the roller bearing is slidably matched with the guide groove.

[0011] In one embodiment, the guide groove has two sections, and the spiral directions of the two sections of the guide groove are opposite.

[0012] In one embodiment, the output shaft is a screw rod, the pneumatic gripper has a mating nut, and the mating nut is threadedly connected to the screw rod.

[0013] In one embodiment, the screw thread of the screw rod has two sections, and the extending directions of the two sections of the screw thread are opposite.

[0014] In one embodiment, the photoelectric sensing component includes a light shielding sheet and a groove-type photoelectric sensor. The light shielding sheet is fixedly arranged on the output shaft, a notch is arranged on the light shielding sheet, the groove-type photoelectric sensor has a relatively spaced light emitter and a receiver, the light shielding sheet is located between the light emitter and the receiver. When the light shielding sheet rotates with the output shaft to make the notch opposite to the light emitter, the light emitter and the receiver are turned on, and the receiver controls the first motor to stop driving.

[0015] In one embodiment, the total drive control component includes a first drive module, a second drive module and a third drive module. The first drive module can drive the second drive module to move along the second direction, the second drive module can drive the third drive module to move along the first direction, and the third drive module can drive the clamping component to move along the third direction.

[0016] In one embodiment, a detection device is further included. The detection device includes a detection positioning member, a vision detection member, and a positioning driving member. The detection positioning member has a positioning groove. The pneumatic gripper takes out the drill bit from the cartridge and places it at the positioning groove. The positioning driving member can push the drill bit to be detected against the positioning groove, and the vision detection member takes a photo of the drill bit to be detected to check whether the diameter size is qualified.

[0017] In one embodiment, the positioning groove is provided on the side of the detection positioning member, and the positioning groove is V-shaped. The positioning driving member includes a pushing cylinder, a first positioning disk, a second positioning disk, and a detection belt. The first positioning disk is slidably arranged on the base in a first direction, the driving end of the pushing cylinder is linked with the first positioning disk, the detection belt is sleeved on the first positioning disk and the second positioning disk respectively, and the pushing cylinder can drive the first positioning disk to slide, so that one side of the detection belt pushes the drill bit to be detected against the groove wall of the positioning groove.

[0018] In one embodiment, the base is provided with a first slideway and a second slideway extending in a second direction that is horizontally perpendicular to the first direction. The first slideway and the second slideway are spaced apart in the first direction. The first carrier platform is provided with a first handle, and a first convex strip slidably connected to the first slideway is provided at the bottom of the first carrier platform. The second carrier platform is provided with a second handle, and a second convex strip slidably connected to the second slideway is provided at the bottom of the second carrier platform. Description of the Drawings

[0019] Figure 1 is a schematic structural diagram of an embodiment of the drill bit device of the present invention;

[0020] Figure 2 is a schematic structural diagram of an embodiment of the clamping assembly of the present invention;

[0021] Figure 3 is a schematic structural diagram of an embodiment of the optoelectronic sensing assembly of the present invention;

[0022] Figure 4 is a schematic structural diagram of another embodiment of the clamping assembly of the present invention;

[0023] Figure 5 is Figure 4 exploded view of;

[0024] Figure 6 is a schematic structural diagram of an embodiment of the detection device of the present invention;

[0025] Figure 7 is a schematic structural diagram of another embodiment of the detection device of the present invention.

[0026] In the attached drawings, the list of components represented by each reference numeral is as follows:

[0027] 100. Automatic PCB drill bit picking and placing device; 1. Base; 2. Gripping assembly; 21. First motor; 22. First guide rail; 23. Output shaft; 231. Guide groove; 24. Photoelectric sensing assembly; 241. Light shielding sheet; 242. Groove type photoelectric sensor; 2421. Light emitter; 2422. Receiver; 243. Notch; 25. Pneumatic gripper; 251. Roller bearing; 261. First driving wheel; 262. First driven wheel; 263. First belt; 3. Total driving control part; 31. First driving module; 32. Second driving module; 33. Third driving module; 41. First carrier; 42. Second carrier; 43. Magazine; 44. Tool magazine; 45. First handle; 46. Second handle; 5. Detection device; 51. Detection positioning part; 511. Positioning groove; 52. Vision detection part; 53. Positioning driving part; 531. Pushing cylinder; 532. First positioning disk; 533. Second positioning disk; 534. Detection belt; 54. Stepper motor; 200. Drill bit. Detailed implementation manners

[0028] To make the above objects, features and advantages of the present utility model more obvious and understandable, the following will clearly and completely describe the detailed implementation manners of the present utility model in conjunction with the attached drawings. Obviously, the specific details described below are only some embodiments of the present utility model, and the present utility model can also be implemented in many other embodiments different from those described herein. All other embodiments obtained by those of ordinary skill in the art based on the embodiments in the present utility model without creative efforts shall fall within the protection scope of the present utility model.

[0029] It should be noted that when an element is referred to as being "fixed to" another element, it can be directly on the other element or there may also be an intermediate element. When an element is considered to be "connected" to another element, it can be directly connected to the other element or there may be an intermediate element at the same time. The terms "vertical", "horizontal", "left", "right" and similar expressions used herein are only for the purpose of illustration and do not represent the only implementation manner.

[0030] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by those of ordinary skill in the technical field to which the present utility model belongs. The terms used in the description of the present utility model herein are only for the purpose of describing specific embodiments and are not intended to limit the present utility model.

[0031] Please refer to Figure 1 and Figure 2, in one embodiment, an automatic PCB drill bit picking and placing device 100 includes: a base 1, a picking and clamping assembly 2, and a total drive control member 3. The base 1 is provided with adjacent first and second platforms 41 and 42 along the transverse direction. A plurality of cartridge cases 43 containing drill bits are arranged on the first platform 41, and a plurality of tool boxes 44 are arranged on the second platform 42. The picking and clamping assembly 2 is movably arranged on the base 1. The picking and clamping assembly 2 includes a first motor 21, a first guide rail 22, an output shaft 23, a photoelectric sensing assembly 24, and a plurality of pneumatic grippers 25. The first guide rail 22 and the output shaft 23 extend along the transverse direction, and the first motor 21 can drive the output shaft 23 to rotate. The photoelectric sensing assembly 24 is electrically connected to the first motor 21 and can control the rotation angle of the output shaft 23. The plurality of pneumatic grippers 25 are linked with the output shaft 23 and are slidably connected to the first guide rail 22. The output shaft 23 can rotate to increase or decrease the lateral spacing between the plurality of pneumatic grippers 25. The total drive control member 3 is arranged on the base 1, and the total drive control member 3 can control the picking and clamping assembly 2 to move along the transverse, longitudinal, and vertical directions.

[0032] For the automatic PCB drill bit picking and placing device 100, the total drive control member 3 can drive the picking and clamping assembly 2 to the first platform 41. After the picking and clamping assembly 2 reaches the material picking position, the first motor 21 drives the output shaft 23 to rotate, and the photoelectric sensing assembly 24 controls the rotation angle of the output shaft 23, so that each pneumatic gripper 25 can accurately move to the position corresponding to the drill bit. Then, the total drive control member 3 drives the picking and clamping assembly 2 to move downward, and the pneumatic gripper 25 clamps the drill bit. Finally, under the drive of the total drive control member 3, the pneumatic gripper 25 places the drill bit at the corresponding hole position of the tool box 44. The entire structure for adjusting the spacing of the pneumatic grippers 25 is very stable with the cooperation of the first motor 21 and the output shaft 23, and the photoelectric sensing assembly 24 can accurately control the rotation angle of the output shaft 23, enabling the pneumatic gripper 25 to accurately move to the material picking position.

[0033] Please refer to Figure 4 and Figure 5 , in one embodiment where the first motor 21 drives the output shaft 23 to rotate to adjust the spacing between the plurality of pneumatic grippers 25, the output shaft 23 is spirally provided with a guide groove 231, the pitch of the guide groove 231 decreases from large to small, and the pneumatic gripper 25 has a roller bearing 251, and the roller bearing 251 is slidably engaged with the guide groove 231. After the output shaft 23 rotates, each pneumatic gripper 25 will move along the spiral guide groove 231 through the roller bearing 251, thereby adjusting the spacing. It should be noted that when the first motor 21 drives the roller bearing 251 to rotate clockwise, the spacing between the pneumatic grippers 25 becomes larger, and when the first motor 21 drives the roller bearing 251 to rotate counterclockwise, the spacing between the pneumatic grippers 25 becomes smaller.

[0034] In order to make the position adjustment of each pneumatic gripper 25 more adaptable, the guide groove 231 has two sections, and the spiral directions of the two sections of the guide groove 231 are opposite, so that the adjustment of the pneumatic grippers 25 in two areas can be formed. Driven by the rotation of the roller bearing 251, the pneumatic grippers 25 in the two areas can move closer to the middle and spread out from the middle to both sides respectively.

[0035] In another embodiment where the first motor 21 drives the output shaft 23 to rotate to adjust the distance between multiple pneumatic grippers 25, the output shaft 23 is a screw rod, and the pneumatic gripper 25 has a mating nut, and the mating nut is threadedly connected to the screw rod to form a cooperative driving structure of the motor and the screw rod. Further, the screw thread of the screw rod has two sections, and the extending directions of the two sections of the screw thread are opposite. It can also form that the pneumatic grippers 25 in two areas can move closer to the middle and spread out from the middle to both sides respectively.

[0036] Please refer to Figure 4 and Figure 5 , it can be understood that the first motor 21 can adopt the cooperative structure of the first driving wheel 261, the first driven wheel 262 and the first belt 263 to drive the output shaft 23 to rotate. Specifically, the first driving wheel 261 is fixedly arranged on the output end of the first motor 21, the first driven wheel 262 is fixedly arranged on the first end of the output shaft 23, and the first belt 263 is sleeved on the first driving wheel 261 and the first driven wheel 262 respectively.

[0037] Please refer to Figure 2 and Figure 3 , in an embodiment of the photoelectric sensing component 24, the photoelectric sensing component 24 includes a light shielding sheet 241 and a groove type photoelectric sensor 242. The light shielding sheet 241 is fixedly arranged on the second end of the output shaft 23, and a notch 243 is arranged on the light shielding sheet 241. The groove type photoelectric sensor 242 has a relatively spaced light emitter 2421 and a receiver 2422, and the light shielding sheet 241 is located between the light emitter 2421 and the receiver 2422. When the light shielding sheet 241 rotates with the output shaft 23 to make the notch 243 opposite to the light emitter 2421 and the receiver 2422, the light emitter 2421 and the receiver 2422 are turned on, and the receiver 2422 controls the first motor 21 to stop driving. The number and spacing of the notches 243 can be set according to the need for adjusting the distance between the pneumatic grippers 25. This sensing structure can accurately and effectively control the adjustment of the distance between the pneumatic grippers 25.

[0038] Please refer to Figure 1 , Figure 6 and Figure 7In another embodiment, the automatic pick-and-place PCB drill bit device 100 further includes a detection device 5, which includes a detection positioning member 51, a vision detection member 52, and a positioning driving member 53. The detection positioning member 51 has a positioning groove 511. The pneumatic gripper 25 takes out the drill bit 200 from the cartridge 43 and places it at the positioning groove 511. The positioning driving member 53 can push the detected drill bit 200 to abut against the positioning groove 511. The vision detection member 52 takes a photo of the detected drill bit 200. The system calculates the diameter size of the detected drill bit 200 according to the pixel size of the taken picture, and the system will compare the set qualified diameter size with the measured diameter size to determine whether the diameter size of the detected drill bit 200 is qualified. If after comparison, the diameter of the detected drill bit 200 is within the qualified size range, the pneumatic gripper 25 continues to complete the pick-and-place of the drill bit 200 in the cartridge 43 into the tool magazine 44. If the diameter of the detected drill bit 200 is not within the qualified size range, it is determined that the size of the drill bit 200 in the cartridge 43 does not meet the standard, and it is necessary to stop the machine to check the reason for the defective product and replace the cartridge 43.

[0039] A positioning groove 511 is provided on the side of the detection positioning member 51, and the positioning groove 511 is V-shaped. The positioning driving member 53 includes a pushing cylinder 531, a first positioning disk 532, a second positioning disk 533, and a detection belt 534. The first positioning disk 532 is slidably arranged on the base 1 in the horizontal direction. The detection belt 534 is sleeved on the first positioning disk 532 and the second positioning disk 533 respectively. The positioning groove 511 is between the two sides of the detection belt 534. The pushing cylinder 531 can drive the first positioning disk 532 to slide horizontally, so that the first positioning disk 532 drives one side of the detection belt 534 to push the detected drill bit 200 to abut against the groove wall of the positioning groove 511, ensuring that the position of the drill bit 200 is upright, so that the vision detection member 52 can take a precise photo.

[0040] Please refer to Figure 7 , in one embodiment, the detection device 5 further includes a stepping motor 54. A second positioning disk 533 is arranged on the output end of the stepping motor 54, and the detection belt 534 is a silicone belt. After one side of the detection belt 534 abuts against the detected drill bit 200, the stepping motor 54 drives the second positioning disk 533 to rotate, and then the detection belt 534 drives the detected drill bit 200 to rotate. The vision detection member 52 takes pictures of the detected drill bit 200 at different angles after rotation to detect the diameter, which can ensure higher detection accuracy.

[0041] Please refer to Figure 1, due to the relatively long lengths of the first carrier 41 and the second carrier 42, in order to facilitate the picking and placing of the magazine 43 and the tool magazine 44, the base 1 is provided with a first slideway and a second slideway extending longitudinally, and the first slideway and the second slideway are spaced transversely. A first handle 45 is provided on the first carrier 41, and a first rib slidably connected to the first slideway is provided at the bottom of the first carrier 41, so that the position adjustment of the first carrier 41 can be realized by manually pushing and pulling the first handle 45. Multiple sets of the matching structures of the first carrier 41 and the first slideway can be provided. A second handle 46 is provided on the second carrier 42, and a second rib slidably connected to the second slideway is provided at the bottom of the second carrier 42, so that the position adjustment of the second carrier 42 can be realized by manually pushing and pulling the second handle 46.

[0042] In another embodiment, the total drive control member 3 includes a first drive module 31, a second drive module 32 and a third drive module 33. The first drive module 31 can drive the second drive module 32 to move longitudinally, the second drive module 32 can drive the third drive module 33 to move transversely, and the third drive module 33 can drive the clamping assembly 2 to move vertically. The first drive module 31 can adopt a servo motor and a lead screw drive structure. By driving the lead screw to rotate with the servo motor, the second drive module 32 is driven to move longitudinally. Two sets of the first drive module 31 can be provided at transverse intervals to make the drive more stable. The second drive module 32 can adopt a servo motor, a second driving wheel, a second driven wheel and a second belt drive structure. The second driving wheel is rotatably arranged on the base 1, the second belt is sleeved on the second driving wheel and the second driven wheel respectively, and one side of the second belt is fixedly connected to the third drive module 33. By driving the second driving wheel to rotate with the servo motor, the second belt drives the third drive module 33 to move transversely. The third drive module 33 can adopt a lifting cylinder drive structure. The driving end of the lifting cylinder is linked with the clamping assembly 2, and the clamping assembly 2 is driven to move up and down by the lifting cylinder.

[0043] The technical features of the above-described embodiments can be combined arbitrarily. For the sake of brevity of description, not all possible combinations of the technical features in the above-described embodiments are described. However, as long as there is no contradiction in the combination of these technical features, it should be considered as the scope described in this specification.

[0044] The above-described embodiments only represent several implementation manners of the present invention, and the description thereof is relatively specific and detailed, but it should not be understood as a limitation to the scope of the utility model patent. It should be noted that for those of ordinary skill in the art, without departing from the concept of the present invention, several deformations, substitutions and improvements can still be made, and these should all be covered within the protection scope of the present invention. Therefore, the protection scope of the utility model patent should be subject to the claims.

Claims

1. An automatic PCB drill bit picking and placing device, characterized in that, Including: A base station, on which there are adjacent first and second platforms arranged along a horizontal first direction. A plurality of cartridge boxes containing drill bits are arranged on the first platform, and a plurality of tool boxes are arranged on the second platform. A clamping component movably arranged on the base station. The clamping component includes a first motor, a first guide rail, an output shaft, a photoelectric sensing component and a plurality of pneumatic grippers. The first guide rail and the output shaft extend along the first direction. The first motor can drive the output shaft to rotate. The photoelectric sensing component is electrically connected to the first motor and can control the rotation angle of the output shaft. A plurality of the pneumatic grippers are linked with the output shaft and are slidably connected to the first guide rail. The output shaft can rotate to increase or decrease the distance between the plurality of pneumatic grippers along the first direction. And A total drive control component arranged on the base station, and the total drive control component can control the clamping component to move along the first direction, a second direction horizontally perpendicular to the first direction, and a third direction vertically perpendicular to the first direction.

2. The automatic PCB drill bit picking and placing device according to claim 1, wherein, The output shaft is spirally provided with a guide groove, and the pitch of the guide groove becomes smaller from large. The pneumatic gripper has a roller bearing, and the roller bearing is slidably matched with the guide groove.

3. The automatic pick-and-place PCB drill bit device according to claim 2, wherein The guide groove has two sections, and the spiral directions of the two sections of the guide groove are opposite.

4. The automatic PCB drill bit picking and placing device according to claim 1, wherein, The output shaft is a screw rod, the pneumatic gripper has a mating nut, and the mating nut is threadedly connected to the screw rod.

5. The automatic PCB drill bit picking and placing device according to claim 4, wherein The screw teeth of the screw rod have two sections, and the extending directions of the two sections of the screw teeth are opposite.

6. The automatic PCB drill bit picking and placing device according to claim 1, wherein The photoelectric sensing component includes a light-shielding sheet and a groove-type photoelectric sensor. The light-shielding sheet is fixedly arranged on the output shaft. A notch is arranged on the light-shielding sheet. The groove-type photoelectric sensor has a relatively spaced light emitter and a receiver. The light-shielding sheet is located between the light emitter and the receiver. When the light-shielding sheet rotates with the output shaft to make the notch opposite to the light emitter, the light emitter and the receiver are turned on, and the receiver controls the first motor to stop driving.

7. The automatic PCB drill bit picking and placing device according to claim 1, wherein The total drive control component includes a first drive module, a second drive module and a third drive module. The first drive module can drive the second drive module to move along the second direction. The second drive module can drive the third drive module to move along the first direction. The third drive module can drive the clamping component to move along the third direction.

8. The automatic PCB drill needle picking and placing device according to claim 1, wherein It further includes a detection device. The detection device includes a detection positioning member, a vision detection member and a positioning drive member. The detection positioning member has a positioning groove. The pneumatic gripper takes out the drill bit from the cartridge box and places it at the positioning groove. The positioning drive member can push the drill bit to be detected to be in tight contact with the positioning groove. The vision detection member takes a photo of the drill bit to be detected to detect whether the diameter size is qualified.

9. The automatic PCB drill bit picking and placing device according to claim 8, wherein, A positioning groove is formed on the side of the detection and positioning member, and the positioning groove is V-shaped. The positioning driving member includes a pushing cylinder, a first positioning disc, a second positioning disc and a detection belt. The first positioning disc is slidably arranged on the base along a first direction, and the driving end of the pushing cylinder is linked with the first positioning disc. The detection belt is sleeved on the first positioning disc and the second positioning disc respectively. The pushing cylinder can drive the first positioning disc to slide, so that one side of the detection belt pushes the drill bit to be detected to be in tight contact with the groove wall of the positioning groove.

10. The automatic PCB drill bit picking and placing device according to claim 1, wherein, The base is provided with a first slideway and a second slideway extending along a second direction that is horizontally perpendicular to the first direction. The first slideway and the second slideway are spaced along the first direction. A first handle is arranged on the first carrier, and a first convex strip slidably connected to the first slideway is arranged at the bottom of the first carrier. A second handle is arranged on the second carrier, and a second convex strip slidably connected to the second slideway is arranged at the bottom of the second carrier.

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