CN219108127U - SMT chip mounter capable of rapidly identifying bad points of circuit board - Google Patents

Abstract

The utility model discloses an SMT chip mounter capable of rapidly identifying bad points of a circuit board, which comprises a chip mounter body and a chip mounter mechanism, wherein a first groove is formed in the upper end of the chip mounter body, a placing seat is arranged in the first groove, meanwhile, the placing seat and the chip mounter body form a moving structure through a horizontal moving mechanism, two ends of the back surface of the chip mounter mechanism are connected with one side of the front surface of a vertical plate through a vertical moving mechanism, and the other side of the front surface of the vertical plate is provided with the bad point identification mechanism. This SMT chip mounter of quick discernment circuit board bad point uses through second pneumatic cylinder, bad point recognition device and flexible connecting rod collocation, is convenient for adjust the distance between bad point recognition device and the circuit board to accomplish and detect the circuit board, improve the degree of accuracy that detects, use through electric putter, clamp plate and mark cotton piece collocation simultaneously, be convenient for mark the circuit board that has bad point, thereby make things convenient for the staff to reject the circuit board that will have bad point and change, improve the processing qualification rate.

Description

SMT chip mounter capable of rapidly identifying bad points of circuit board

Technical Field

The utility model relates to the technical field of chip mounters, in particular to an SMT chip mounter capable of rapidly identifying bad points of a circuit board.

Background

The surface mounting machine, also called a "mounting machine" and a "surface mounting system", is a device which is arranged after a dispensing machine or a screen printer in a production line and accurately places surface mounting components on a PCB pad by moving a mounting head. Therefore, when the circuit board is processed, the chip mounter is required to be used for chip mounting, and the electronic technology is highly integrated, so that the circuit board of the product is smaller and smaller in size. However, in the production link, in order to facilitate the electronic assembly production, a plurality of small circuit boards (sub-circuit boards) are spliced into a large board (called a splice board or a connecting board in the industry), and after the assembly production is completed, the small board is divided into single small boards from reserved positions.

Through the mass retrieval, found that chip mounter among the prior art is typical like the publication number CN202122249041.2, an SMT chip mounter includes workstation subassembly, workstation subassembly and ground fixed connection, the equal fixedly connected with Y axle motion subassembly in upper surface both sides of workstation subassembly, the equal fixedly connected with of up end of Y axle motion subassembly pastes and puts the motion subassembly, workstation subassembly is including the work piece platform, the upper surface fixedly connected with of work piece platform places the box, the mounting groove has been seted up to the upper surface of work piece platform, the inboard bottom surface fixedly connected with two motion slide rails of mounting groove that the work piece platform offered, the inside both sides wall activity of mounting groove that the work piece platform offered has cup jointed the motion lead screw, the axis body end fixedly connected with of motion lead screw the output shaft of the first motor, the interval between the suction nozzle is put in the subsides of rotation regulation subsides of this chip mounter accessible adjustment to realize the components and parts subsides effect to different interval solder joints on the PCB pad, and this chip mounter can reduce traditional chip mounter's paster error.

In summary, the chip mounter cannot guarantee that the small board in each circuit board is qualified when in use, so that the small board needs to be detected independently, the circuit board needs to be moved and carried for independent detection, damage to the inside of the circuit board is easily caused by uncertain factors in the process, the qualification rate of the circuit board is reduced, the production cost is increased, and the prior equipment needs to be improved according to the problems.

Disclosure of Invention

The utility model aims to provide an SMT chip mounter capable of rapidly identifying bad points of a circuit board, so that the problems that the chip mounter provided in the background art cannot ensure that small plates in each circuit board are qualified when in use, so that the small plates are required to be detected independently, the circuit board is required to be moved and conveyed independently, the circuit board is easy to be damaged due to uncertain factors in the process, the qualification rate of the circuit board is reduced, and the production cost is increased are solved.

In order to achieve the above purpose, the present utility model provides the following technical solutions: an SMT chip mounter capable of rapidly identifying bad points of a circuit board comprises a chip mounter body and a chip mounter mechanism,

the upper end of the chip mounter body is provided with a first groove, a placing seat is arranged in the first groove, the placing seat and the chip mounter body form a moving structure through a horizontal moving mechanism, limit grooves are symmetrically formed in two sides of the upper end of the placing seat, a bottom plate is arranged between the two limit grooves, and the lower end of the bottom plate is connected with the lower end of the inner part of the placing seat through a spring;

the two ends of the back of the surface mounting mechanism are connected with one side of the front of the vertical plate through the vertical moving mechanism, the vertical plate is arranged at the rear side of the upper end of the surface mounting machine body, and the dead point identification mechanism is arranged at the other side of the front of the vertical plate.

Preferably, the horizontal moving mechanism comprises a threaded rod, a conveying motor, moving seats and limiting plates, wherein the threaded rod is arranged in the first groove, one end of the threaded rod penetrates through the chip mounter body and is connected with the output end of the conveying motor, two moving seats are movably connected to the threaded rod, the upper ends of the two moving seats are respectively connected with two sides of the lower end of the placing seat, the upper ends of the front face and the back face of the two moving seats are symmetrically provided with the limiting plates, and the limiting plates are in sliding connection with sliding grooves symmetrically formed in the two sides of the first groove;

through adopting above-mentioned technical scheme, be convenient for drive and put the seat and remove to can carry out bad point detection after realizing the paster.

Preferably, two vertical moving mechanisms are arranged, each vertical moving mechanism comprises an electric sliding rail, a sliding seat and a mounting plate, the sliding seats are connected to the electric sliding rails in a sliding manner, and the two sliding seats are connected through the mounting plate;

through adopting above-mentioned technical scheme, be convenient for adjust the paster mechanism with put the distance between the seat, improve the accuracy of paster.

Preferably, the paster mechanism comprises a supporting frame, the supporting frame is L-shaped structure, and the bilateral symmetry of supporting frame upper end is provided with first pneumatic cylinder, and the output of first pneumatic cylinder runs through the supporting frame simultaneously and is connected with vacuum air pump upper end, the output block of vacuum air pump is connected with the sucking disc.

Preferably, the protruding block arranged at the upper end of the support frame is connected with the upper end of the mounting plate through a fixing bolt, and the lower end of the support frame is connected with the lower end of the mounting plate through a fixing bolt;

by adopting the technical scheme, the stability of the installation of the patch mechanism is improved.

Preferably, the dead point identification mechanism comprises a fixed plate, a second hydraulic cylinder is arranged in the middle of the upper end of the fixed plate, the output end of the second hydraulic cylinder penetrates through the fixed plate and is connected with the middle of the upper end of the dead point identification device, and meanwhile two sides of the upper end of the dead point identification device are connected with two sides of the lower end of the fixed plate through telescopic connecting rods;

by adopting the technical scheme, the circuit board can be conveniently detected.

Preferably, a transverse plate is arranged on one side, far away from the patch mechanism, of the fixing plate, an electric push rod is arranged at the lower end of the transverse plate, meanwhile, the output end of the electric push rod is connected with one side of the upper end of the pressing plate, a second groove is formed in the other side of the upper end of the pressing plate, a plurality of through holes are formed in one side, close to the output end of the electric push rod, of the second groove, meanwhile, the other end of each through hole is connected with one side of a marking cotton block, and the marking cotton block is connected on one side of the lower end of the pressing plate in a clamping mode;

by adopting the technical scheme, the circuit board with the dead pixel is convenient to mark.

Compared with the prior art, the utility model has the beneficial effects that: this SMT chip mounter of quick discernment circuit board bad point, in order to solve the problem that detects the circuit board, this application is provided with bad point recognition mechanism, through second pneumatic cylinder, bad point recognition device and telescopic connecting rod collocation use, be convenient for adjust the distance between bad point recognition device and the circuit board, thereby accomplish and detect the circuit board, improve the degree of accuracy that detects, simultaneously through electric putter, clamp plate and the cotton piece collocation of mark use, be convenient for mark the circuit board that has bad point, thereby make things convenient for the staff to reject the circuit board that will have bad point and change, improve the processing qualification rate.

Drawings

FIG. 1 is a schematic diagram of a front cross-sectional structure of the present utility model;

FIG. 2 is a schematic elevational view of the present utility model;

FIG. 3 is a schematic diagram showing a front cross-sectional structure of a placement seat according to the present utility model;

FIG. 4 is a schematic side view of the patch mechanism of the present utility model;

FIG. 5 is a schematic diagram of a dead point recognition mechanism according to the present utility model;

fig. 6 is a schematic perspective view of a platen according to the present utility model.

In the figure: 1. a chip mounter body; 101. a first groove; 102. a chute; 2. a threaded rod; 3. a conveying motor; 4. placing a seat; 401. a limit groove; 402. a bottom plate; 403. a spring; 5. a movable seat; 6. a limiting plate; 7. a riser; 8. a vertical movement mechanism; 801. an electric slide rail; 802. a slide; 803. a mounting plate; 9. a patch mechanism; 901. a support frame; 902. a bump; 903. a first hydraulic cylinder; 904. a vacuum air pump; 905. a suction cup; 10. a dead pixel identification mechanism; 1001. a fixing plate; 1002. a second hydraulic cylinder; 1003. a dead pixel identification device; 1004. a telescopic connecting rod; 1005. a cross plate; 1006. an electric push rod; 1007. a pressing plate; 1008. a second groove; 1009. a through hole; 1010. marking cotton blocks.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-6, the present utility model provides a technical solution: according to the SMT chip mounter capable of rapidly identifying bad points of a circuit board, as shown in fig. 1, 2 and 3, a first groove 101 is formed in the upper end of a chip mounter body 1, a placement seat 4 is arranged in the first groove 101, meanwhile, the placement seat 4 and the chip mounter body 1 form a moving structure through a horizontal moving mechanism, limit grooves 401 are symmetrically formed in the two sides of the upper end of the placement seat 4, a bottom plate 402 is arranged between the two limit grooves 401, the circuit board is placed conveniently through the bottom plate 402, the bottom plate 402 is lowered and located inside the placement seat 4 under the gravity of the circuit board, the circuit board is limited, meanwhile, the lower end of the bottom plate 402 is connected with the lower end of the placement seat 4 through a spring 403, and a certain buffering force is generated when the bottom plate 402 is lowered.

Specifically, horizontal migration mechanism includes threaded rod 2, conveying motor 3, remove seat 5 and limiting plate 6, threaded rod 2 installs inside first recess 101, and threaded rod 2 one end runs through chip mounter organism 1 and is connected with conveying motor 3's output, swing joint has two removal seats 5 on the threaded rod 2 simultaneously, two removal seat 5 upper ends are connected with putting seat 4 lower extreme both sides respectively, and two removal seat 5 openly and back upper end symmetry are provided with limiting plate 6, and limiting plate 6 and the spout 102 sliding connection that the inside bilateral symmetry of first recess 101 was seted up, slide inside spout 102 through limiting plate 6, stability when improving the transportation.

When the circuit board placing device is used, the threaded rod 2 is driven to rotate through the conveying motor 3, the movable seat 5 on the threaded rod 2 drives the placing seat 4 to move in the horizontal direction, and therefore the circuit board placed inside the placing seat 4 is convenient to convey.

According to the illustration of fig. 1, fig. 2 and fig. 4, the two ends of the back of the patch mechanism 9 are connected with one side of the front of the vertical plate 7 through the vertical moving mechanism 8, the vertical moving mechanism 8 is provided with two, and the vertical moving mechanism 8 comprises an electric sliding rail 801, a sliding seat 802 and a mounting plate 803, the electric sliding rail 801 is connected with the sliding seat 802 in a sliding manner, the two sliding seats 802 are connected through the mounting plate 803, the sliding seat 802 is driven to move through the electric sliding rail 801, the distance between the patch mechanism 9 and the placing seat 4 is convenient to adjust, and the vertical plate 7 is mounted on the rear side of the upper end of the body 1 of the patch machine.

Specifically, the patch mechanism 9 includes the support frame 901, the support frame 901 is L type structure, the lug 902 that the support frame 901 upper end set up is connected with mounting panel 803 upper end through fixing bolt, and the support frame 901 lower extreme is connected with mounting panel 803 lower extreme through fixing bolt, improve the steadiness of being connected between support frame 901 and the mounting panel 803, and support frame 901 upper end bilateral symmetry is provided with first pneumatic cylinder 903, the output of first pneumatic cylinder 903 runs through support frame 901 simultaneously and is connected with vacuum air pump 904 upper end, the output block of vacuum air pump 904 is connected with sucking disc 905, through first pneumatic cylinder 903, be convenient for drive vacuum air pump 904 and descend, make sucking disc 905 that is connected with vacuum air pump 904 output adsorb the circuit board, thereby accomplish the patch.

As shown in fig. 1, 2, 5 and 6, the dead point recognition mechanism 10 is mounted on the other side of the front surface of the riser 7.

Specifically, the dead point identifying mechanism 10 includes a fixing plate 1001, a second hydraulic cylinder 1002 is installed in the middle of the upper end of the fixing plate 1001, and an output end of the second hydraulic cylinder 1002 penetrates through the fixing plate 1001 and is connected with the middle of the upper end of the dead point identifying device 1003, the dead point identifying device 1003 is driven to descend through the second hydraulic cylinder 1002, so that the distance between the dead point identifying device 1003 and a circuit board can be conveniently adjusted, meanwhile, two sides of the upper end of the dead point identifying device 1003 are connected with two sides of the lower end of the fixing plate 1001 through telescopic connecting rods 1004, and the dead point identifying device 1003 has stability when moving downwards through the telescopic connecting rods 1004.

Further, the fixing plate 1001 is far away from the side of the paster mechanism 9 and is provided with the transverse plate 1005, the lower end of the transverse plate 1005 is provided with the electric push rod 1006, meanwhile, the output end of the electric push rod 1006 is connected with one side of the upper end of the pressing plate 1007, the other side of the upper end of the pressing plate 1007 is provided with the second groove 1008, the marking pigment is convenient to store through the second groove 1008, one side, close to the output end of the electric push rod 1006, of the second groove 1008 is provided with the plurality of through holes 1009, the marking pigment is convenient to be conveyed to the marking cotton block 1010 through the through holes 1009, so that marking can be carried out, the other end of the through holes 1009 is connected with one side of the marking cotton block 1010, and the marking cotton block 1010 is clamped and connected on one side of the lower end of the pressing plate 1007.

When the circuit board is used, the pressing plate 1007 is pushed to descend by the electric push rod 1006, so that the marking cotton block 1010 is attached to the surface of the circuit board, and marking pigment is adhered to the surface of the circuit board, so that workers are reminded that defective pixels in the circuit board need to be replaced.

When the device is used, a PC board is placed on the bottom plate 402 arranged in the placement seat 4, then the placement seat 4 is driven to integrally move horizontally through the horizontal moving mechanism, the PC board is conveyed to the lower part of the patch mechanism 9, then the vertical moving mechanism 8 is started according to actual operation conditions, the position of the patch mechanism 9 is adjusted, then the first hydraulic cylinder 903 is started, the first hydraulic cylinder 903 drives the vacuum air pump 904 to descend, the small circuit board adsorbed by the sucking disc 905 is attached to the PC board, so that the patch is completed, after the attachment is completed, the horizontal moving mechanism is used for continuously driving the placement seat 4 to integrally move horizontally, after the device is moved to the lower part of the dead point identifying mechanism 10, the second hydraulic cylinder 1002 is started to drive the dead point identifying device 1003 to descend, the distance between the dead point identifying device 1003 and the circuit board is adjusted, then the dead point identifying device 1003 is started to detect the circuit board, and when the dead point is detected, the electric push rod 1006 is started to push the pressing plate 1007 to descend, the marking cotton block 1010 is attached to the surface of the circuit board, and the marking pigment is attached to the surface of the circuit board to be marked.

The terms "center," "longitudinal," "transverse," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used for descriptive simplicity and convenience only and not as an indication or implying that the apparatus or element being referred to must have a particular orientation, be constructed and operated for a particular orientation, based on the orientation or positional relationship illustrated in the drawings, and thus should not be construed as limiting the scope of the present utility model.

Although the present utility model has been described with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements and changes may be made without departing from the spirit and principles of the present utility model.

Claims (7)

1. The utility model provides a quick identification circuit board bad point's SMT chip mounter, includes chip mounter organism (1) and paster mechanism (9), its characterized in that:

the chip mounter comprises a chip mounter body (1), a first groove (101) is formed in the upper end of the chip mounter body (1), a placing seat (4) is arranged in the first groove (101), meanwhile, the placing seat (4) and the chip mounter body (1) form a moving structure through a horizontal moving mechanism, limit grooves (401) are symmetrically formed in two sides of the upper end of the interior of the placing seat (4), a bottom plate (402) is arranged between the two limit grooves (401), and meanwhile, the lower end of the bottom plate (402) is connected with the lower end of the interior of the placing seat (4) through a spring (403);

the two ends of the back of the surface mounting mechanism (9) are connected with one side of the front of the vertical plate (7) through the vertical moving mechanism (8), the vertical plate (7) is arranged at the rear side of the upper end of the surface mounting machine body (1), and the dead point identification mechanism (10) is arranged at the other side of the front of the vertical plate (7).

2. The SMT pick and place machine for quickly identifying dead spots on a circuit board of claim 1, wherein: the horizontal movement mechanism comprises a threaded rod (2), a conveying motor (3), a moving seat (5) and a limiting plate (6), wherein the threaded rod (2) is installed inside a first groove (101), one end of the threaded rod (2) penetrates through a chip mounter body (1) to be connected with the output end of the conveying motor (3), meanwhile, two moving seats (5) are movably connected to the threaded rod (2), the upper ends of the two moving seats (5) are respectively connected with two sides of the lower end of a placing seat (4), the two moving seats (5) are symmetrically provided with the limiting plate (6) at the front side and the upper end of the back side, and the limiting plate (6) is slidably connected with a sliding groove (102) formed in the inner two sides of the first groove (101).

3. The SMT pick and place machine for quickly identifying dead spots on a circuit board of claim 1, wherein: the vertical moving mechanism (8) is provided with two, and the vertical moving mechanism (8) comprises an electric sliding rail (801), a sliding seat (802) and a mounting plate (803), wherein the sliding seat (802) is connected to the electric sliding rail (801) in a sliding manner, and the two sliding seats (802) are connected through the mounting plate (803).

4. The SMT pick and place machine for quickly identifying dead spots on a circuit board of claim 1, wherein: the surface mounting mechanism (9) comprises a support frame (901), the support frame (901) is of an L-shaped structure, first hydraulic cylinders (903) are symmetrically arranged on two sides of the upper end of the support frame (901), meanwhile, the output ends of the first hydraulic cylinders (903) penetrate through the support frame (901) and are connected with the upper end of a vacuum air pump (904), and the output ends of the vacuum air pump (904) are connected with sucking discs (905) in a clamping mode.

5. The SMT pick and place machine for quickly identifying dead spots on a circuit board of claim 4, wherein: the lug (902) that support frame (901) upper end set up is connected with mounting panel (803) upper end through fixing bolt, and support frame (901) lower extreme is connected with mounting panel (803) lower extreme through fixing bolt.

6. The SMT pick and place machine for quickly identifying dead spots on a circuit board of claim 1, wherein: the dead point identification mechanism (10) comprises a fixed plate (1001), a second hydraulic cylinder (1002) is arranged in the middle of the upper end of the fixed plate (1001), the output end of the second hydraulic cylinder (1002) penetrates through the fixed plate (1001) and is connected with the middle of the upper end of the dead point identification device (1003), and meanwhile two sides of the upper end of the dead point identification device (1003) are connected with two sides of the lower end of the fixed plate (1001) through telescopic connecting rods (1004).

7. The SMT pick and place machine for quickly identifying dead spots on a circuit board of claim 6, wherein: fixed plate (1001) are kept away from paster mechanism (9) one side and are installed diaphragm (1005), and electric putter (1006) are installed to diaphragm (1005) lower extreme, and the output of electric putter (1006) is connected with clamp plate (1007) upper end one side simultaneously, second recess (1008) have been seted up to clamp plate (1007) upper end opposite side, and second recess (1008) are close to electric putter (1006) output one side and have been seted up a plurality of through-holes (1009), and through-hole (1009) other end and mark cotton piece (1010) one side are connected simultaneously, mark cotton piece (1010) block is connected in clamp plate (1007) lower extreme one side.

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