CN217911637U

CN217911637U - Error correction device for chip mounter

Info

Publication number: CN217911637U
Application number: CN202221412602.4U
Authority: CN
Inventors: 冯忠才; 翁建永
Original assignee: Zhejiang Dengxin Technology Co ltd
Current assignee: Zhejiang Dengxin Technology Co ltd
Priority date: 2022-06-06
Filing date: 2022-06-06
Publication date: 2022-11-29
Anticipated expiration: 2032-06-06

Abstract

The application relates to an error correction device for chip mounter relates to chip mounter technical field, an error correction device for chip mounter, including the track frame, set up the conveyer belt that is used for carrying the PCB board on the track frame, be provided with the error correction mechanism that is used for carrying out the error correction to the PCB board on the track frame, error correction mechanism includes: the sliding block is arranged on the track frame in a sliding manner; the sucker is arranged on the sliding block and is used for sucking the PCB; the driving assembly is arranged on the track frame and is used for driving the sliding block to move; the control assembly is arranged on the sliding block and is used for controlling the sucker to inflate or deflate; and the solder paste thickness tester is arranged on the track frame and is electrically connected with the driving assembly. This application has the PCB board and is difficult for dropping on the sucking disc, reduces the probability that the PCB board dropped in the transportation, improves the transportation stability of PCB board.

Description

Error correction device for chip mounter

Technical Field

The application relates to the technical field of chip mounters, in particular to an error correction device for a chip mounter.

Background

The chip mounter is the main production equipment in the SMT production line, and the chip mounter's effect is through removing the subsides dress head to accurately place surface mounting components and parts on PCB board pad, PCB is printed circuit board. Need use error correction mechanism before getting into to paste dress process, will detect the PCB board screening out of depositing the defect through SPI, SPI is solder paste thickness tester promptly, for prior art, and here is no longer repeated.

In the related art, reference may be made to chinese utility model patent with an authorization publication number of CN215819308U, which discloses an error correction mechanism for an SMT chip mounter, which includes a rail frame symmetrically disposed, a rail disposed between a PCB board detection device and a solder paste printing device, and a rail disposed on an inner opposite surface of the rail frame; the error correction mechanism is in a rail shape and comprises two grooves, the rail groove is formed by an upper groove plate on the upper side and a plurality of short conveying group units on the lower side, and the short conveying group units are formed by sleeving two rollers with short conveying belts; the error correction mechanism comprises a jacking storage structure, the jacking storage structure comprises a plurality of groups of upright posts which are oppositely arranged along two sides of the track, and a plurality of steps are arranged on opposite surfaces of the upright posts; the vertical rods can be vertically and telescopically arranged between the rollers, and the PCB is jacked up through the steps when the vertical rods move upwards; also included are transport structures.

The pole setting is at the in-process that upwards lifts up, and the PCB board is put on the terrace unstably, and the PCB board topples easily and drops, has reduced the transportation stability of PCB board.

SUMMERY OF THE UTILITY MODEL

For the transportation stability ability that improves the PCB board, this application provides an error correction device for chip mounter.

The application provides an error correction device for chip mounter adopts following technical scheme:

the utility model provides an error correction device for chip mounter, includes the track frame, sets up the conveyer belt that is used for carrying the PCB board on the track frame, be provided with the error correction mechanism that is used for carrying out the error correction to the PCB board on the track frame, the mechanism includes:

the sliding block is arranged on the track frame in a sliding manner;

the sucking disc is arranged on the sliding block and is used for sucking the PCB;

the driving assembly is arranged on the track frame and is used for driving the sliding block to move;

the control assembly is arranged on the sliding block and is used for controlling the inflation or deflation of the sucker;

and the solder paste thickness tester is arranged on the track frame and is electrically connected with the driving assembly.

By adopting the technical scheme, when the solder paste thickness tester detects that the PCB has defects, the driving assembly starts to drive the sliding block to move to the position of the PCB with defects, and the control assembly controls the sucker to adsorb the PCB with defects. Through drive assembly drive slider and control assembly control sucking disc, the PCB board is difficult for dropping on the sucking disc, has reduced the probability that the PCB board dropped in the transportation, has improved the transportation stability of PCB board.

Optionally, the driving assembly includes:

the screw rod is rotatably arranged on the track frame and is in threaded connection with the sliding block;

the driving motor is arranged on the track frame, and an output shaft of the driving motor is connected with the screw rod;

the cylinder sets up on the slider, the sucking disc sets up on the piston rod of cylinder.

Through adopting above-mentioned technical scheme, driving motor starts to drive the lead screw and rotates, and the lead screw rotates and drives the slider and remove, and piston rod of the cylinder drives the sucking disc and stretches out and draws back to this realizes that driving motor starts to drive the sucking disc and removes.

Optionally, the control assembly includes:

the air pump is arranged on the sliding block;

the air pipe is arranged on the air pump and connected with the sucker.

Through adopting above-mentioned technical scheme, the air pump passes through trachea control sucking disc and breathes in or outgas to make the PCB board can be adsorbed and be difficult for dropping by the sucking disc, improved the stability of PCB board in the transportation.

Optionally, the sucking disc passes through the connecting piece and can dismantle with piston rod of the cylinder and be connected, coupling assembling includes:

the fixed disc is arranged on the sucker;

the inserting rod is arranged on the fixed disc and is matched with the cylinder piston rod in an inserting manner;

the screwed pipe, the screwed pipe rotates to set up on the fixed disk and with cylinder piston rod threaded connection.

Through adopting above-mentioned technical scheme, twist and move the screwed pipe and break away from with piston rod of the cylinder, then can take off the grafting pole and change the sucking disc, on pegging graft piston rod of the cylinder with the grafting pole after that, twist and move screwed pipe threaded connection on piston rod of the cylinder for piston rod of the cylinder contradicts to fix a position on the fixed disk, realizes changing according to the sucking disc with this, makes the sucking disc can dismantle, is convenient for change the sucking disc according to different needs.

Optionally, the rail mount is provided with the receiving agencies of placing the PCB board of selecting, receiving agencies includes:

the storage box is arranged on the track frame;

a collecting box disposed in the storage box and used for collecting the PCB;

and the alarm component is arranged on the storage box and is used for detecting the weight of the collection box and giving an alarm.

Through adopting above-mentioned technical scheme, collect the box and receive the PCB board of screening out, when collecting the interior PCB board of box more and weight when reaching appointed index, the warning subassembly starts to report to the police, and the staff can change collecting the box to PCB board in the collection box is too much and the probability that drops has been reduced, and the PCB board in the box of collecting simultaneously too much can drop and collect in the storage box, has reduced the risk that the PCB board scatters, has improved the transportation stability of PCB board.

Optionally, the alarm assembly includes:

the gravity detector is arranged on the storage box, and the collection box is pressed against the gravity detector;

the alarm lamp sets up on storing the box and is connected with the gravity detector electricity.

Through adopting above-mentioned technical scheme, the weight of collecting the box is detected to the gravity detection appearance, and the alarm lamp that is connected with the gravity detection appearance electricity is reported to the police to this reaches and reminds the staff to change and collects the box, thereby has improved PCB board transportation stability.

Optionally, the storage box is provided with a cushion pad for buffering the PCB.

Through adopting above-mentioned technical scheme, the cushion cushions the PCB board to the probability that the PCB board received the impact and damaged has been reduced.

Optionally, the collecting box is provided with a handle for easy access.

Through adopting above-mentioned technical scheme, the staff can use the handle to remove and collect the box, labour saving and time saving.

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

the driving assembly drives the sliding block to move, the control assembly controls the sucker to adsorb the PCB, so that the PCB with defects is screened out from the conveying belt, the PCB is not easy to drop on the sucker, the probability of dropping of the PCB in the transportation process is reduced, and the transportation stability of the PCB is improved.

Drawings

FIG. 1 is a schematic perspective view of the present application;

FIG. 2 is a schematic diagram of the structure of the error correction mechanism of the present application;

FIG. 3 is a partial exploded view of the connection assembly of the present application;

FIG. 4 is a schematic structural view of the receiving mechanism of the present application, in which the side wall of the storage box is sectioned;

reference numerals: 1. a track frame; 11. a conveyor belt; 2. an error correction mechanism; 21. a slider; 22. a suction cup; 23. a drive assembly; 231. a screw rod; 232. a drive motor; 233. a cylinder; 24. a control component; 241. an air pump; 242. an air tube; 25. a solder paste thickness tester; 3. a connection assembly; 31. fixing the disc; 32. a plug-in rod; 33. a threaded pipe; 4. a material receiving mechanism; 41. a storage box; 411. a support block; 412. a cushion pad; 42. a collection box; 421. a handle; 43. an alarm component; 431. a gravity detector; 432. an alarm lamp.

Detailed Description

The present application is described in further detail below with reference to figures 1-4.

The embodiment of the application discloses an error correction device for a chip mounter.

Referring to fig. 1, an error correction device for a chip mounter includes a track frame 1, a conveyor belt 11 disposed on the track frame 1 and used for conveying PCB boards, an error correction mechanism 2 for correcting errors of PCB boards is disposed on the track frame 1, and a material receiving mechanism 4 for collecting selected PCB boards is further disposed on the track frame 1.

Referring to fig. 1, the track frame 1 is rotatably provided with two conveying rollers in a horizontal state, the two conveying rollers are horizontally arranged at intervals, the conveying belt 11 is sleeved on the two conveying rollers, and the track frame 1 is fixedly provided with a conveying motor connected with the conveying rollers.

Referring to fig. 1 and 2, the error correction mechanism 2 comprises a slide block 21, a suction cup 22, a driving assembly 23, a control assembly 24 and a solder paste thickness tester 25, wherein the slide block 21 is horizontally installed on the track frame 1 in a sliding manner, the slide block 21 is positioned above the conveying belt 11, and the sliding direction of the slide block 21 is perpendicular to the conveying direction of the conveying belt 11; the solder paste thickness tester 25 is fixedly installed on the track frame 1, and the solder paste thickness tester 25 is located above the conveyer belt 11 and is used for detecting the PCB on the conveyer belt 11.

Referring to fig. 1 and 2, the driving assembly 23 is disposed on the track frame 1 and is used for driving the slider 21 to move, and meanwhile, the solder paste thickness tester 25 is electrically connected to the driving assembly 23, and when the solder paste thickness tester 25 detects that there is a problem in the PCB, the solder paste thickness tester 25 controls the driving assembly 23 to start. The driving assembly 23 comprises a screw rod 231, a driving motor 232 and an air cylinder 233, the screw rod 231 is horizontally and rotatably mounted on the track frame 1, the screw rod 231 is positioned above the conveying belt 11 and is in threaded connection with the slide block 21, and meanwhile, the screw rod 231 rotates to drive the slide block 21 to move out of the conveying belt 11; the driving motor 232 is fixedly arranged on the track frame 1, and the output shaft of the driving motor 232 is connected with the screw rod 231; the cylinder 233 is fixedly installed on the lower surface of the slider 21, and a piston rod of the cylinder 233 is vertically disposed downward.

Referring to fig. 1 and 2, the suction cup 22 is detachably connected to the piston rod of the air cylinder 233 through the connection assembly 3, the suction cup 22 is used for adsorbing the PCB on the conveyor belt 11, the control assembly 24 is disposed on the slider 21 and is used for controlling the suction cup 22 to suck or discharge air, the control assembly 24 includes an air pump 241 and an air pipe 242, the air pump 241 is fixedly mounted on the upper surface of the slider 21, the air pipe 242 is fixedly mounted on the air pump 241 and is fixedly connected to the suction cup 22, and the air pipe 242 is made of a soft material, which may be plastic; when the sucking disc 22 butts against the PCB, the air pump 241 sucks air into the sucking disc 22, so that the PCB is sucked onto the sucking disc 22, when the PCB needs to be put down, the air pump 241 starts to discharge air to the sucking disc 22, and the PCB drops under the action of gravity.

Referring to fig. 2 and 3, coupling assembling 3 includes fixed disk 31, peg rod 32 and screwed pipe 33, and fixed disk 31 fixed mounting is on sucking disc 22 upper surface, and peg rod 32 fixed mounting is on fixed disk 31 upper surface, and peg rod 32 cooperates with cylinder 233 piston rod bottom grafting simultaneously, and screwed pipe 33 rotates and sets up on fixed disk 31 upper surface, and screwed pipe 33 and cylinder 233 piston rod bottom end threaded connection, and cylinder 233 piston rod supports to press and fixes a position on fixed disk 31 simultaneously. The insertion rod 32 is inserted and installed on the bottom end of the piston rod of the air cylinder 233, then the threaded pipe 33 is screwed to the bottom end of the piston rod of the air cylinder 233, the piston rod of the air cylinder 233 is pressed against the fixed disc 31 to be positioned, and the suction disc 22 can be detached by the reverse operation, so that the suction disc 22 can be replaced.

Referring to fig. 1 and 4, the receiving mechanism 4 includes a storage box 41, a collecting box 42 and an alarm assembly 43, the storage box 41 is fixedly mounted on the track frame 1 and located at one side of the conveying belt 11, the mounting position of the storage box 41 is within the moving range of the sliding block 21, a plurality of supporting blocks 411 are horizontally and fixedly mounted on the inner side wall of the storage box 41, and a buffer cushion 412 for buffering is fixedly mounted on the inner bottom wall of the storage box 41.

Referring to fig. 1 and 4, the collection box 42 is disposed on a plurality of support blocks 411 and located in the storage box 41, the collection box 42 is used for collecting the PCB board sucked by the suction cup 22, and when there are too many PCB boards in the collection box 42, the PCB boards will slide down into the storage box 41 for collection, and a handle 421 is fixedly mounted on the upper surface of the collection box 42. The alarm components 43 are arranged on the plurality of supporting blocks 411, and the alarm components 43 are used for detecting the weight of the collecting box 42 and giving an alarm; the alarm assembly 43 comprises a gravity detector 431 and an alarm lamp 432, the gravity detector 431 is provided with a plurality of support blocks 411, the plurality of support blocks are respectively and fixedly arranged on the upper surfaces of the plurality of support blocks 411, and the bottom end of the collecting box 42 is pressed against the detection element of the gravity detector 431; the alarm lamp 432 is fixedly installed on the upper surface of the storage box 41, and the alarm lamp 432 is electrically connected to the gravity detector 431, and when the gravity detector 431 detects that the weight of the collection box 42 reaches a designated value, the alarm lamp 432 gives an alarm.

The working principle of the embodiment of the application is as follows:

when solder paste thickness tester 25 detects the PCB board that has the defect, driving motor 232 starts to drive slider 21 and slides directly over conveyer belt 11, and cylinder 233 piston rod drives sucking disc 22 and moves down and contradict on the PCB board, then air pump 241 control sucking disc 22 breathes in for sucking disc 22 adsorbs the PCB board, realizes sieving the PCB board that has the defect and selects.

The piston rod of the air cylinder 233 contracts, the sucking disc 22 drives the PCB to move upwards, the driving motor 232 drives the sliding block 21 to slide right above the collecting box 42, the piston rod of the air cylinder 233 drives the sucking disc 22 and the PCB to move downwards, then the air pump 241 controls the sucking disc 22 to deflate, so that the PCB falls into the collecting box 42 to be collected, and the PCB with defects is moved to the collecting box 42 from the conveying belt 11.

When the PCB board collected by the collecting box 42 reaches a predetermined weight, the gravity detector 431 transmits an electric signal to the alarm lamp 432, and the alarm lamp 432 blinks to remind a worker. The worker grasps the handles 421 at both sides of the collecting box 42 to take out the collecting box 42, and places the empty collecting box 42 on the gravity detector 431, thereby achieving replacement of the collecting box 42.

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

Claims

1. The utility model provides an error correction device for chip mounter, includes track frame (1), sets up conveyer belt (11) that are used for carrying the PCB board on track frame (1), its characterized in that: be provided with error correction mechanism (2) that are used for carrying out the error correction to the PCB board on track frame (1), error correction mechanism (2) include:

the sliding block (21), the sliding block (21) is arranged on the track frame (1) in a sliding mode;

the sucker (22) is arranged on the sliding block (21) and is used for sucking the PCB;

the driving assembly (23) is arranged on the track frame (1) and is used for driving the sliding block (21) to move;

the control assembly (24) is arranged on the sliding block (21) and is used for controlling the inflation or deflation of the suction cup (22);

and the solder paste thickness tester (25) is arranged on the track frame (1) and is electrically connected with the driving component (23).

2. The apparatus of claim 1, wherein: the drive assembly (23) comprises:

the screw rod (231), the said screw rod (231) is set up on the orbit shelf (1) rotatably and connected with screw thread of the slide block (21);

the driving motor (232) is arranged on the track frame (1), and an output shaft of the driving motor (232) is connected with the screw rod (231);

the air cylinder (233), the air cylinder (233) is arranged on the sliding block (21), and the sucker (22) is arranged on a piston rod of the air cylinder (233).

3. The error correction device for the chip mounter according to claim 1, wherein: the control assembly (24) comprises:

an air pump (241), the air pump (241) being disposed on the slider (21);

the air pipe (242) is arranged on the air pump (241) and is connected with the sucker (22).

4. The apparatus of claim 3, wherein: sucking disc (22) can be dismantled with cylinder (233) piston rod through coupling assembling (3) and be connected, coupling assembling (3) include:

the fixed disc (31), the said fixed disc (31) is set in sucking disc (22);

the plug rod (32) is arranged on the fixed disc (31) and is in plug fit with the piston rod of the air cylinder (233);

the threaded pipe (33) is rotatably arranged on the fixed disc (31) and is in threaded connection with a piston rod of the air cylinder (233).

5. The error correction device for the chip mounter according to claim 4, wherein: track frame (1) is provided with receiving agencies (4) of placing the PCB board of selecting, receiving agencies (4) include:

a storage box (41), wherein the storage box (41) is arranged on the track frame (1);

a collecting box (42), the collecting box (42) is placed in the storage box (41) and used for collecting the PCB;

and the alarm assembly (43) is arranged on the storage box (41) and is used for detecting the weight of the collection box (42) and giving an alarm.

6. The error correction device for the chip mounter according to claim 5, wherein: the alarm assembly (43) comprises:

the gravity detector (431), the gravity detector (431) is arranged on the storage box (41), and the collection box (42) is pressed against the gravity detector (431);

and the alarm lamp (432) is arranged on the storage box (41) and is electrically connected with the gravity detector (431).

7. The apparatus of claim 6, wherein: the storage box (41) is provided with a buffer cushion (412) for buffering the PCB.

8. The apparatus of claim 7, wherein: the collecting box (42) is provided with a handle (421) which is convenient to take.