CN115135029B - Chip mounter and chip mounting process - Google Patents

Abstract

The application relates to a chip mounter which comprises a machine body, wherein a shell is arranged on an upper cover of the machine body, an inlet and an outlet are respectively formed in two ends of the length direction of the shell, the machine body extends out of the shell from the inlet and the outlet respectively, a conveying belt is arranged on the machine body, a chip mounting mechanism is arranged in the shell and comprises a driving piece, a mounting frame, a chip mounting head and a clamping piece, the driving piece is arranged on the shell, the mounting frame is arranged on the driving piece, the driving piece drives the mounting frame to slide towards a direction approaching or far away from the conveying belt, the chip mounting head is arranged on the mounting frame, and a plurality of clamping pieces are uniformly arranged on the mounting frame in the circumferential direction of the chip mounting head. The application has the effect of reducing the probability of the occurrence of offset of the circuit board when the components are mounted.

Description

Chip mounter and chip mounting process

Technical Field

The application relates to the field of secondary body processing, in particular to a chip mounter and a chip mounting process.

Background

Chip mounter: in the production line, the surface mounting device is arranged behind a dispensing machine or a screen printer, and is equipment for accurately placing surface mounting components on a PCB (printed circuit board) by moving a mounting head.

The chip mounter easily drives the circuit board when mounting components and parts, and the circuit board is deviated so as to influence the mounting of the subsequent mounted components and parts.

Disclosure of Invention

The application provides a chip mounter and a chip mounting process for reducing the probability of offset of a circuit board during mounting of components.

The chip mounter provided by the application adopts the following technical scheme:

The utility model provides a chip mounter, includes the organism, and the organism upper shield is equipped with the casing, import and export are offered respectively at casing length direction both ends, and the organism stretches out the casing in import and export respectively, is provided with the conveyer belt on the organism, install paster mechanism in the casing, paster mechanism includes driving piece, mounting bracket, paster head and clamping piece, the driving piece is installed on the casing, on the mounting bracket installation driving piece, driving piece drive mounting bracket slides towards being close to or keeping away from the conveyer belt direction, the paster head sets up on the mounting bracket, the clamping piece has a plurality of, a plurality of the clamping piece evenly sets up on the mounting bracket in paster head circumference.

Through adopting above-mentioned technical scheme, press through the holder and establish in the circuit board top, carry out the centre gripping with the circuit board and fix, reduce the probability that the circuit board appears the skew when components and parts are pasted.

Optionally, be provided with the stage body in the casing, the conveyer belt upper surface is not less than stage body upper surface, the organism includes fixed part and portion of sliding, the fixed part sets firmly in the casing bottom, the portion of sliding sets up in fixed part deviates from casing bottom one side, and the portion of sliding slides towards being close to or keeping away from fixed part direction, and the conveyer belt is installed on the portion of sliding, slides through the portion of sliding and makes the conveyer belt upper surface be less than stage body upper surface.

Through adopting above-mentioned technical scheme, can not be blocked by the stage body when the conveyer belt upper surface is not less than stage body upper surface circuit board and carry, make things convenient for the transportation of circuit board, when the circuit board carried to stage body top, the portion of sliding drive conveyer belt slides and is less than the stage body, makes the circuit board can place the subsides of carrying out components and parts on the stage body, and the conveyer belt breaks away from the circuit board this moment to reduce the influence of conveyer belt to circuit board subsides dress components and parts.

Optionally, the holder includes installation pole, butt dish and actuating lever, the installation pole is installed on the mounting bracket, the butt dish sets firmly in the installation pole and keeps away from mounting bracket one end, the actuating lever sets firmly at the butt center of the dish, the drive piece has been set firmly on the portion of sliding, and actuating lever butt drive piece drive portion of sliding is slided towards being close to the fixed part direction.

Through adopting above-mentioned technical scheme, the butt dish is used for holding the circuit board fixed on the stage body, and the setting of actuating lever can cooperate the drive piece to make the conveyer belt be less than the stage body when fixed circuit board, reduces the probability that the conveyer belt drove the circuit board on the stage body on the one hand, and on the other hand on the conveyer belt surface be less than the stage body upper surface and can reduce the probability that follow-up circuit board carried to the stage body on.

Optionally, a plurality of rebound members are arranged between the sliding part and the fixing part.

Through adopting above-mentioned technical scheme, after the components and parts subsides dress is accomplished, the clamping piece returns and breaks away from the circuit board, and the setting of resilience piece can make the portion of sliding rebound, makes things convenient for the reset of the portion of sliding.

Optionally, the mounting bracket includes vertical pole, first power spare and second power spare, the vertical pole sets firmly on the driving piece, and the vertical pole sets up along organism width direction level, first power spare sets firmly on the vertical pole, and first power spare sets up along organism length direction level, the second power spare is installed on first power spare, and first power spare drive second power spare slides along casing length direction, the paster head is installed on second power spare, and second power spare drive paster head slides along casing width direction.

Through adopting above-mentioned technical scheme, first power spare and second power spare cooperation can conveniently drive the paster head and slide in two directions of horizontally to paste the components and parts dress in the suitable position of circuit board according to the demand.

Optionally, the mounting bracket further comprises a cross rod, the cross rod is horizontally arranged along the length direction of the shell, the cross rod is slidably arranged on the longitudinal rod along the width direction of the shell, and the clamping piece is slidably arranged on the cross rod along the length direction of the shell.

Through adopting above-mentioned technical scheme, the setting of horizontal pole can make things convenient for the installation and the regulation of holder.

Optionally, be provided with adjustment mechanism between holder and the horizontal pole, adjustment mechanism includes adjustment tank, butt piece, adjusting screw and adjusting nut, the adjustment tank runs through the horizontal pole along the horizontal pole and offers, the butt piece sets firmly in holder towards horizontal pole one end, adjusting screw sets firmly in the butt piece and deviates from holder one end, and adjusting screw runs through the adjustment tank and slides along horizontal pole length direction on the horizontal pole, adjusting nut runs through horizontal pole one end threaded connection on adjusting screw in adjusting screw.

Through adopting above-mentioned technical scheme, adjustment mechanism's setting can make things convenient for the holder to adjust along casing length direction, cooperates the horizontal pole at casing width direction's regulation, realizes the multidirectional regulation of holder.

Optionally, the paster head includes slider and breathing pipe, slider slides along vertical pole length direction and sets up on the vertical pole, the breathing pipe slides and sets up on slider, and the breathing pipe slides towards being close to or keeping away from the conveyer belt direction.

Through adopting above-mentioned technical scheme, the setting of sliding block can cooperate the slip of first power spare and second power spare drive paster head, and the setting of breathing pipe can conveniently adsorb components and parts.

Optionally, a detection head is installed on the sliding block, and a display is installed on the shell.

Through adopting above-mentioned technical scheme, detect the condition that the head can conveniently observe the chip head department to feed back to operating personnel through the display, make things convenient for operating personnel to the control of chip mounter work.

A chip mounting process using a chip mounter comprises the following steps:

Step 1: cleaning the circuit board, namely cleaning the surface of the circuit board and removing dust on the surface of the circuit board;

step 2: fixing the circuit board, and clamping and fixing the circuit board on the table body;

step 3: mounting components and parts, namely mounting the components and parts on the circuit board through a mounting mechanism;

step 4: welding and fixing, namely welding and fixing the components;

step 5: and detecting the circuit board, and detecting the circuit of the welded circuit board.

Through adopting above-mentioned technical scheme, clear up for the circuit board before the circuit board pastes the dress to reduce the influence of dust to follow-up components and parts dress, through the centre gripping to the circuit board fixed, reduce the probability that the circuit board skew appears when the dress of components and parts.

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

1. The clamping piece is used for clamping and fixing the circuit board, so that the probability of deviation of the circuit board during component mounting is reduced;

2. The upper surface of the conveying belt is not lower than the upper surface of the table body, so that the conveying of the circuit board is facilitated, and when the circuit board is conveyed to the upper part of the table body, the sliding part drives the conveying belt to slide lower than the table body, so that the circuit board can be placed on the table body for mounting components;

3. The abutting plate is used for clamping and fixing the circuit board on the table body, the driving rod can be matched with the driving piece to enable the conveying belt to be lower than the table body when the circuit board is fixed, on one hand, the probability that the conveying belt drives the circuit board on the table body is reduced, and on the other hand, the probability that the surface of the conveying belt is lower than the upper surface of the table body and the subsequent circuit board can be conveyed to the table body is reduced;

4. The circuit board is cleaned before the circuit board is mounted, so that the influence of dust on the mounting of subsequent components is reduced, and the probability of the occurrence of offset of the components during mounting is reduced through clamping and fixing the circuit board.

Drawings

Fig. 1 is a schematic view showing the whole structure of the present embodiment in half section.

Fig. 2 is a schematic view of the structure of the present embodiment without the housing.

Fig. 3 is an enlarged view of the portion a in fig. 2.

Fig. 4 is a schematic diagram of the usage state of the present embodiment.

Fig. 5 is a schematic overall structure of the present embodiment.

Fig. 6 is an enlarged view of the portion B in fig. 5.

Reference numerals illustrate: 0. a conveyor belt; 1. a body; 101. a fixing part; 102. a sliding part; 2. a housing; 3. an inlet; 4. an outlet; 5. a patch mechanism; 51. a driving member; 52. a mounting frame; 521. a longitudinal bar; 522. a first power member; 523. a second power member; 524. a cross bar; 53. a patch head; 531. a sliding block; 532. an air suction pipe; 54. a clamping member; 541. a mounting rod; 542. an abutment plate; 543. a driving rod; 6. a table body; 7. a rebound member; 8. an adjusting mechanism; 81. an adjustment tank; 82. an abutment block; 83. adjusting a screw; 84. an adjusting nut; 9. a detection head; 10. a display; 11. and a driving plate.

Detailed Description

The application is described in further detail below with reference to fig. 1-3.

The embodiment of the application discloses a chip mounter, refer to fig. 1 and 2, the chip mounter comprises a machine body 1, the whole machine body 1 is cuboid, a shell 2 is covered on the machine body 1, the shell 2 is cuboid, an observation window is formed in the surface of the shell 2, meanwhile, the shell 2 can be opened, an inlet 3 and an outlet 4 are respectively formed in two ends of the length direction of the shell 2, the machine body 1 extends out of the shell 2 from the inlet 3 and the outlet 4 respectively, a conveying belt 0 is arranged on the machine body 1, the conveying belt 0 conveys a circuit board from the inlet 3 to the outlet 4, a chip mounting mechanism 5 is arranged in the shell 2, the chip mounting mechanism 5 comprises a driving piece 51 arranged on the shell 2, a mounting frame 52 fixedly arranged on the driving piece 51, a chip mounting head 53 arranged on the mounting frame 52 and four clamping pieces 54 uniformly arranged on the mounting frame 52 in the circumferential direction of the chip mounting head 53, the driving piece 52 is arranged on a piston rod of the driving motor, the driving piece 52 drives the mounting frame 52 to slide towards a direction close to or far away from the conveying belt 0, the mounting frame 52 is driven by the driving piece 51, the clamping pieces 54 are pressed around the circuit board to fix the circuit board, and then the chip mounting head is fixedly arranged through the chip mounting head, and the chip mounting probability of the chip mounting device is lowered when the chip mounting device is mounted on the circuit board.

Referring to fig. 2 and 3, a table body 6 is disposed in a housing 2, the table body 6 is used for placing a circuit board when components are mounted, the upper surface of a conveying belt 0 is not lower than the upper surface of the table body 6, a machine body 1 comprises a fixing portion 101 fixedly arranged at the bottom of the housing 2 and a sliding portion 102 arranged at one side of the fixing portion 101 away from the bottom of the housing 2, the sliding portion 102 slides towards a direction close to or far away from the fixing portion 101, the conveying belt 0 is mounted on the sliding portion 102, the upper surface of the conveying belt 0 is lower than the upper surface of the table body 6 through the sliding of the sliding portion 102, the conveying belt 0 can conveniently convey the circuit board when the upper surface of the conveying belt 0 is higher than the upper surface of the table body 6, and the circuit board can stay on the table body 6 when the upper surface of the conveying belt 0 is lower than the upper surface of the table body 6, so that components are mounted conveniently, and the probability that the conveying belt 0 drives the circuit board to move when components are mounted is reduced.

Referring to fig. 1 and 4, the clamping member 54 includes a mounting rod 541 mounted on the mounting frame 52, an abutting plate 542 fixed on one end of the mounting rod 541 away from the mounting frame 52, and a driving rod 543 fixed on the center of the abutting plate 542, where the driving plate 11 is fixed on the sliding portion 102, when the clamping member 54 slides towards the direction of the circuit board, the abutting plate 542 abuts against the circuit board to fix and press the circuit board on the table body 6, and meanwhile, the driving rod 543 abuts against the driving plate 11, and drives the sliding portion 102 to slide towards the direction close to the fixing portion 101 through the driving plate 11, so as to clamp and fix the circuit board, and simultaneously, drive the conveyer belt 0 to separate from the circuit board, thereby further reducing the probability of movement of the circuit board when the components are mounted, a plurality of rebound members 7 are arranged between the sliding portion 102 and the fixing portion 101, the rebound members 7 are springs are selected, after the components are mounted, the clamping member 54 is separated from the circuit board, at this time, the driving rod is also separated from the driving plate 11, the rebound members 7 are arranged to enable the sliding portion 102 to reset after the driving plate 543, and the conveyer belt 0 is separated from the driving plate 11, and the conveyer belt 0 is driven to separate from the direction close to the fixing portion 101, thereby lifting the circuit board 6 after the circuit board is mounted on the table 6.

Referring to fig. 2 and 3, the mounting frame 52 includes a vertical rod 521 fixed on the driving member 51, a first power member 522 fixed on the vertical rod 521, and a second power member 523 mounted on the first power member 522, where the vertical rod 521 is horizontally disposed along the width direction of the machine body 1, the first power member 522 is horizontally disposed along the length direction of the machine body 1, the first power member 522 drives the second power member 523 to slide along the length direction of the casing 2, the patch head 53 is mounted on the second power member 523, the second power member 523 drives the patch head 53 to slide along the width direction of the casing 2, and the first power member 522 and the second power member 523 are respectively rodless cylinders, so that the patch head 53 can be adjusted along the length and width directions of the casing 2 in the horizontal direction by matching the first power member 522 and the second power member 523, thereby ensuring that the patch head 53 can be attached with components at various positions; the mounting bracket 52 further includes a cross bar 524, the cross bar 524 is horizontally disposed along the length direction of the housing 2, the cross bar 524 is slidably disposed on the vertical bar 521 along the width direction of the housing 2, the clamping member 54 is slidably disposed on the cross bar 524 along the length direction of the housing 2, and the cross bar 524 slidably cooperates with the sliding of the clamping member 54 on the vertical bar 521 on the cross bar 524 to drive the clamping member 54 to adjust the position of the clamping member 54 in the transverse direction and the longitudinal direction, so as to adjust the position of the clamping member 54 according to the size of the circuit board.

Referring to fig. 5 and 6, an adjusting mechanism 8 is disposed between a clamping member 54 and a cross bar 524, the adjusting mechanism 8 includes an adjusting groove 81 formed along the cross bar 524 penetrating through the cross bar 524, an abutting block 82 fixedly disposed at one end of the clamping member 54 towards the cross bar 524, an adjusting screw 83 fixedly disposed at one end of the abutting block 82 away from the clamping member 54, and an adjusting nut 84 screwed on the adjusting screw 83, the adjusting screw 83 penetrates through the adjusting groove 81 and slides along the length direction of the cross bar 524 on the cross bar 524, the adjusting nut 84 is screwed on the adjusting screw 83 at one end of the adjusting screw 83 penetrating through the cross bar 524, the adjusting member can facilitate adjustment of the clamping member 54, meanwhile, the clamping member 54 is fixed after the clamping member 54 is adjusted, and the probability that the clamping member 54 slides due to external force action in use is reduced.

Referring to fig. 5 and 6, the patch head 53 includes a sliding block 531 sliding on the vertical rod 521 along the length direction of the vertical rod 521 and a plurality of air suction pipes 532 sliding on the sliding block 531, wherein the plurality of air suction pipes 532 are uniformly arranged along the length direction of the sliding block 531, the corresponding air suction pipe 532 on the sliding block 531 is provided with an air cylinder, the air suction pipe 532 is driven by the air cylinder to slide towards the direction close to or far from the conveying belt 0, one end of the air suction pipe 532, which is far away from the table body 6, is connected with an air pump, and the air suction pipe 532 is used for adsorbing components through air pump suction, so that the patch head 53 is convenient for transporting the components to mount the components; the detection head 9 is installed on the sliding block 531, the display 10 is installed on the shell 2, and the detection head 9 can monitor the mounting condition of the patch head 53 in real time by matching with the display 10, so that the probability of mounting errors is reduced.

A chip mounting process using a chip mounter comprises the following steps: step 1: cleaning the circuit board, namely cleaning the surface of the circuit board, and removing dust on the surface of the circuit board through surface cleaning; step 2: fixing the circuit board, conveying the circuit board to the position right above the table body 6 through the conveying belt 0, and then clamping and fixing the circuit board on the table body 6 through the clamping piece 54; step 3: mounting components and parts, namely mounting the components and parts on the circuit board through a mounting mechanism 5; step 4: welding and fixing, namely welding and fixing the components; step 5: detecting a circuit board, and detecting a circuit of the welded circuit board; the circuit board is cleaned before the circuit board is mounted, so that the influence of dust on the mounting of subsequent components is reduced, and the probability of the occurrence of offset of the components during mounting is reduced through clamping and fixing the circuit board.

The implementation principle of the embodiment of the application is as follows: according to unscrewing the adjusting nut 84, the position of the clamping piece 54 is adjusted, the clamping piece 54 is adjusted according to the size of a circuit board, the adjusting nut 84 is screwed after adjustment is completed, the clamping piece 54 is fixed, then the circuit board is conveyed into the shell 2 from the inlet 3 through the conveying belt 0, when the circuit board is conveyed to the position right above the platform body 6, the driving piece 51 drives the whole mounting frame 52 to slide towards the direction of the circuit board, the driving rod 543 is abutted against the driving piece 11, the driving piece 11 drives the sliding part 102 to slide, the conveying belt 0 is lower than the platform body 6, the circuit board is placed on the platform body 6, the circuit board is abutted against the platform body 6 through the abutting plate 542, then the first power piece 522 and the second power piece 523 are matched with the patch head 53, after the component mounting is completed, the driving piece 51 drives the mounting frame 52 to slide towards the direction far away from the circuit board, the driving piece 11 is separated from the driving rod, the driving piece 102 slides towards the direction far away from the fixing part 101 under the effect of the rebound piece 7, the circuit board 543 after the mounting of the conveying belt 0 is completed, the circuit board is lifted up on the platform body 6, and the circuit board is lifted off the shell 4 after the mounting of the circuit board is completed, and the circuit board is mounted from the shell 2 after the mounting is completed.

The above embodiments are not intended to limit the scope of the present application, so: all equivalent changes in structure, shape and principle of the application should be covered in the scope of protection of the application.

Claims (5)

1. The utility model provides a chip mounter, includes organism (1), organism (1) upper shield is equipped with casing (2), import (3) and export (4) are offered respectively at casing (2) length direction both ends, and organism (1) stretch out casing (2) in import (3) and export (4) respectively, is provided with conveyer belt (0) on organism (1), install paster mechanism (5) in casing (2), its characterized in that: the patch mechanism (5) comprises a driving piece (51), a mounting frame (52), a patch head (53) and a clamping piece (54), wherein the driving piece (51) is arranged on the shell (2), the mounting frame (52) is arranged on the driving piece (51), the driving part (51) drives the mounting frame (52) to slide towards a direction approaching or far away from the conveying belt (0), the patch head (53) is arranged on the mounting frame (52), a plurality of clamping parts (54) are arranged, and the clamping parts (54) are uniformly arranged on the mounting frame (52) in the circumferential direction of the patch head (53); the novel conveying belt is characterized in that a table body (6) is arranged in the shell (2), the upper surface of the conveying belt (0) is not lower than the upper surface of the table body (6), the machine body (1) comprises a fixing part (101) and a sliding part (102), the fixing part (101) is fixedly arranged at the bottom of the shell (2), the sliding part (102) is arranged at one side, away from the bottom of the shell (2), of the fixing part (101), the sliding part (102) slides towards the direction close to or far away from the fixing part (101), the conveying belt (0) is arranged on the sliding part (102), and the upper surface of the conveying belt (0) is lower than the upper surface of the table body (6) through sliding of the sliding part (102); the clamping piece (54) comprises a mounting rod (541), an abutting disc (542) and a driving rod (543), wherein the mounting rod (541) is mounted on the mounting frame (52), the abutting disc (542) is fixedly arranged at one end, far away from the mounting frame (52), of the mounting rod (541), the driving rod (543) is fixedly arranged at the center of the abutting disc (542), the driving piece (11) is fixedly arranged on the sliding part (102), the driving rod (543) abuts against the driving piece (11) to drive the sliding part (102) to slide towards the direction close to the fixing part (101); the mounting frame (52) comprises a longitudinal rod (521), a first power piece (522) and a second power piece (523), the longitudinal rod (521) is fixedly arranged on the driving piece (51), the longitudinal rod (521) is horizontally arranged along the width direction of the machine body (1), the first power piece (522) is fixedly arranged on the longitudinal rod (521), the first power piece (522) is horizontally arranged along the length direction of the machine body (1), the second power piece (523) is arranged on the first power piece (522), the first power piece (522) drives the second power piece (523) to slide along the length direction of the shell (2), the patch head (53) is arranged on the second power piece (523), the second power piece (523) drives the patch head (53) to slide along the width direction of the shell (2); the mounting frame (52) further comprises a cross rod (524), the cross rod (524) is horizontally arranged along the length direction of the shell (2), the cross rod (524) is slidably arranged on the longitudinal rod (521) along the width direction of the shell (2), and the clamping piece (54) is slidably arranged on the cross rod (524) along the length direction of the shell (2); an adjusting mechanism (8) is arranged between the clamping piece (54) and the cross rod (524), the adjusting mechanism (8) comprises an adjusting groove (81), an abutting block (82), an adjusting screw rod (83) and an adjusting nut (84), the adjusting groove (81) is formed by penetrating through the cross rod (524) along the cross rod (524), the abutting block (82) is fixedly arranged at one end of the clamping piece (54) facing the cross rod (524), the adjusting screw rod (83) is fixedly arranged at one end of the abutting block (82) deviating from the clamping piece (54), the adjusting screw rod (83) penetrates through the adjusting groove (81) and slides on the cross rod (524) along the length direction of the cross rod (524), the adjusting screw cap (84) is connected to the adjusting screw (83) through one end of the cross rod (524) in a threaded manner.

2. A chip mounter according to claim 1, wherein: a plurality of rebound pieces (7) are arranged between the sliding part (102) and the fixing part (101).

3. A chip mounter according to claim 1, wherein: the patch head (53) comprises a sliding block (531) and an air suction pipe (532), wherein the sliding block (531) is arranged on the vertical rod (521) in a sliding mode along the length direction of the vertical rod (521), the air suction pipe (532) is arranged on the sliding block (531) in a sliding mode, and the air suction pipe (532) slides towards a direction close to or far away from the conveying belt (0).

4. A chip mounter according to claim 3, wherein: the sliding block (531) is provided with a detection head (9), and the shell (2) is provided with a display (10).

5. A process for attaching a chip using the chip mounter of claim 4, comprising the steps of:

Step 1: cleaning the circuit board, namely cleaning the surface of the circuit board and removing dust on the surface of the circuit board;

step 2: fixing the circuit board, and clamping and fixing the circuit board on the table body (6);

Step 3: mounting components and parts, wherein the components and parts are mounted on the circuit board through a mounting mechanism (5);

step 4: welding and fixing, namely welding and fixing the components;

step 5: and detecting the circuit board, and detecting the circuit of the welded circuit board.