Anti-displacement chip mounting device for SMT chip mounter

Abstract

The utility model discloses an anti-displacement chip mounter used for an SMT chip mounter, comprising a conveyer belt and a placing rack, the top end of the conveyer belt is provided with the placing rack, the top end of the placing rack is provided with a screw rod moving mechanism, the output end of the screw rod moving mechanism is provided with a bearing rack, the top end of the bearing rack is provided with a support rack, and the support rack is provided with a screw rod. A servo motor is installed at the top end of the supporting frame, a movable lead screw is installed at the output end of the servo motor, the surface of the movable lead screw is sleeved with a threaded sleeve, the threaded sleeve is in threaded connection with the movable lead screw, an L-shaped frame is installed on the surface of the threaded sleeve, the L-shaped frame is in sliding connection with the supporting frame, and a movable sleeve is installed at the bottom end of the L-shaped frame. And the movable sleeve is fixedly connected with the L-shaped frame. According to the utility model, convenient double-track parallel operation placement of the patch and central clamping and positioning of the patch are realized, displacement of the patch is conveniently prevented, and the placement accuracy of the patch is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to patch device technical field, concretely is a kind of displacement prevention patch device for SMT chip mounter. BACKGROUND

[0002] SMT chip mounter is the equipment of surface assembly technology, also called "mounter" or "surface mount system", it is the equipment of realizing high speed, high-precision patching component, is the key and complex equipment in entire SMT production process, and the working principle of SMT chip mounter is through suction, displacement, positioning and placement etc., in the case where not damaging component and printed circuit board, SMC / SMD component is quickly and accurately mounted on the pad position specified by PCB, when SMT chip mounter carries out patching, the precision of patching needs to be controlled, for example, displacement cannot occur when patching, in order to guarantee the precision of patching of chip mounter, therefore a kind of displacement prevention patch device for SMT chip mounter is presented.

[0003] As the authorized announcement No.CN221264116U discloses a kind of displacement prevention patch device for SMT chip mounter, including base and patch plate, the front surface of the base is fixedly installed with controller in close to one side position, the upper surface of the base is fixedly installed with protection structure, the inside of the protection structure is embedded and installed with patch structure, the inside of the base is embedded and installed with limit structure in close to upper position, the protection structure includes first L-shaped plate, second L-shaped plate, connecting plate, mounting block, connecting column, embedded slot, embedded column, fixed ring, the front surface of the first L-shaped plate is movably installed with second L-shaped plate, the both sides surface of the second L-shaped plate is fixedly installed with mounting block in close to lower position, the mounting block is two groups;

[0004] It can open the protection structure, thereby improve the convenience of debugging limit structure, can clamp and limit the patch plate, prevent its displacement;

[0005] But it does not solve the problem that existing patch device is not convenient for double-track parallel operation to place patch and center clamping positioning patch when using, is not conducive to preventing patch displacement, affects the precision of patch placement. INVENTION CONTENTS

[0006] The utility model aims at providing a kind of displacement prevention patch device for SMT chip mounter, to solve the problem that patch device is not convenient for double-track parallel operation to place patch and center clamping positioning patch in the above background art, is not conducive to preventing patch displacement, affects the precision of patch placement.

[0007] In order to achieve the above object, the utility model provides the following technical scheme: A kind of displacement-preventing paster device for SMT paster, including conveying belt and placing rack, the top of conveying belt is equipped with placing rack, the top of placing rack is equipped with screw rod moving mechanism, the output of screw rod moving mechanism is equipped with bearing frame, the top of bearing frame is equipped with support frame, the top of support frame is equipped with servo motor, the output of servo motor is equipped with moving screw rod, the surface of moving screw rod is equipped with threaded sleeve, and threaded sleeve is threadedly connected with moving screw rod, the surface of threaded sleeve is equipped with L-shaped frame, and L-shaped frame is slidably connected with support frame, the bottom of L-shaped frame is equipped with moving sleeve, and moving sleeve is fixedly connected with L-shaped frame.

[0008] Preferably, the bottom of the moving sleeve is equipped with a righting box, and the righting box is fixedly connected with the moving sleeve.

[0009] Preferably, a suction cup is installed at the center of the bottom of the righting box, and the suction cup is fixedly connected with the righting box.

[0010] Preferably, a driving motor is installed inside the righting box, and a driving shaft is installed at the output of the driving motor.

[0011] Preferably, four groups of rotating arms are sleeved on the surface of the driving shaft at equal intervals, and a linkage arm is arranged at the end of each rotating arm away from the driving shaft.

[0012] Preferably, a linkage shaft is installed at the end of each linkage arm close to the rotating arm, and the linkage arm is movably connected with the rotating arm through the linkage shaft.

[0013] Preferably, a righting column is arranged at the end of each linkage arm away from the linkage shaft, and the righting column is fixedly connected with the linkage arm.

[0014] Preferably, four groups of arc-shaped grooves are installed at the bottom of the righting box at equal intervals, and the righting column is slidably connected with the arc-shaped groove.

[0015] Compared with the prior art, the paster device has the advantages that: it not only realizes convenient double-track parallel operation for placing paster and center clamping positioning paster, prevents paster displacement, and improves the precision of paster placement.

[0016] (1) the circular circuit board and the circular patch are placed on two different tracks on the conveying belt in sequence, the patch and the circuit board are moved synchronously by the conveying belt, when the patch and the circuit board move to the below of the suction disc, the screw moving mechanism is opened, the supporting frame, the righting box and the suction disc are moved transversely by the screw moving mechanism through the bearing frame, so that the suction disc moves to the above of the patch, the moving screw is rotated by the servo motor, the L-shaped frame is moved downward by the moving screw through the threaded sleeve, the moving sleeve, the righting box and the suction disc are moved downward by the L-shaped frame, so that the suction disc contacts the patch and the patch is adsorbed on the suction disc, then the servo motor is opened reversely, the patch and the circuit board are reset by the servo motor, the suction disc and the circuit board are moved to the circuit board by the screw moving mechanism, then the servo motor is opened again, the patch is lowered and placed on the circuit board by the servo motor, convenient double-track parallel operation placing patch is realized;

[0017] (2) the rotating arm is rotated by the driving motor through the driving shaft, the linkage arm is rotated by the rotating arm through the linkage shaft, under the sliding cooperation of the righting column and the arc-shaped groove, the linkage arm drives a plurality of righting columns to move synchronously to the central position, so that the plurality of righting columns contact the outer walls of the circuit board and the patch, and under the continuous action of the righting column, the outer wall of the patch is aligned with the circuit board, so that the displacement of the patch is prevented, convenient center clamping positioning patch is realized, the displacement of the patch is prevented, and the precision of patch placement is improved. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is three-dimensional structure schematic diagram of the utility model;

[0019] Figure 2 It is three-dimensional structure schematic diagram of the supporting frame of the utility model;

[0020] Figure 3 It is side view cross section structure schematic diagram of the utility model;

[0021] Figure 4 It is three-dimensional perspective structure schematic diagram of the moving sleeve of the utility model;

[0022] Figure 5 It is three-dimensional perspective structure schematic diagram of the righting box of the utility model.

[0023] In the drawing: 1, conveying belt; 2, screw moving mechanism; 3, bearing frame; 4, placing frame; 5, supporting frame; 6, righting box; 7, moving sleeve; 8, threaded sleeve; 9, moving screw; 10, L-shaped frame; 11, servo motor; 12, suction disc; 13, righting column; 14, linkage arm; 15, arc-shaped groove; 16, linkage shaft; 17, rotating arm; 18, driving shaft; 19, driving motor. DETAILED DESCRIPTION

[0024] The technical solutions in the embodiments of the utility model will be apparently and completely described below with reference to the drawings in the embodiments of the utility model. Based on the embodiments in the utility model, all other embodiments obtained by the ordinary skilled in the art without creative labor fall within the scope of protection of the utility model.

[0025] Please refer to Figures 1-5 The utility model provides an embodiment: a kind of displacement prevention paster device for SMT paster, including conveying belt 1 and placing rack 4, the top of conveying belt 1 is equipped with placing rack 4, and the top of placing rack 4 is equipped with screw rod moving mechanism 2, and the output end of screw rod moving mechanism 2 is equipped with bearing frame 3, and the top of bearing frame 3 is equipped with support frame 5, and the top of support frame 5 is equipped with servo motor 11, and servo motor 11 plays the role of power drive, and the output end of servo motor 11 is equipped with moving screw rod 9, and the surface of moving screw rod 9 is equipped with threaded sleeve 8, and threaded sleeve 8 is connected in screw thread with moving screw rod 9, and the surface of threaded sleeve 8 is equipped with L-shaped frame 10, and L-shaped frame 10 is connected in sliding with support frame 5, and the bottom of L-shaped frame 10 is equipped with moving sleeve 7, and moving sleeve 7 is fixedly connected with L-shaped frame 10;

[0026] Round circuit board and round paster are placed in sequence on two different tracks on conveying belt 1, and paster and circuit board are driven to move synchronously by conveying belt 1, when it moves to the lower side of suction cup 12, screw rod moving mechanism 2 is opened, and support frame 5, righting box 6 and suction cup 12 are driven to move transversely by bearing frame 3 to make suction cup 12 move to the upper side of paster, servo motor 11 is opened, and moving screw rod 9 is driven to rotate by servo motor 11, under the screw thread connection of moving screw rod 9 and threaded sleeve 8, under the sliding cooperation of L-shaped frame 10 and support frame 5, L-shaped frame 10 is driven to move downward by moving screw rod 9 through threaded sleeve 8, moving sleeve 7, righting box 6 and suction cup 12 are driven to move downward by L-shaped frame 10, to make suction cup 12 contact paster and adsorb paster on suction cup 12, then servo motor 11 is opened reversely, and suction cup 12 and paster are reset by servo motor 11, screw rod moving mechanism 2 is opened reversely, and suction cup 12 and circuit board are driven to move to circuit board by screw rod moving mechanism 2, then servo motor 11 is opened again, and paster is driven to descend and place on circuit board by servo motor 11, to realize convenient double-track parallel operation and place paster.

[0027] The bottom of moving sleeve 7 is equipped with righting box 6, and righting box 6 is fixedly connected with moving sleeve 7, and the central position of the bottom of righting box 6 is equipped with suction cup 12, and suction cup 12 is fixedly connected with righting box 6;

[0028] The inside of the aligning box 6 is mounted with a driving motor 19, which serves as a power driver. The output end of the driving motor 19 is mounted with a driving shaft 18. The surface of the driving shaft 18 is sleeved with four groups of rotating arms 17 at equal intervals. The end of each rotating arm 17 away from the driving shaft 18 is provided with a linkage arm 14.

[0029] The end of each linkage arm 14 close to the rotating arm 17 is mounted with a linkage shaft 16. The linkage arm 14 is movably connected with the rotating arm 17 through the linkage shaft 16. The end of each linkage arm 14 away from the linkage shaft 16 is provided with an aligning column 13. The aligning column 13 is fixedly connected with the linkage arm 14.

[0030] The bottom end of the aligning box 6 is mounted with four groups of arc-shaped grooves 15 at equal intervals. The aligning column 13 is slidably connected with the arc-shaped groove 15.

[0031] After the placement of the patch, the driving motor 19 is turned on. The rotating arm 17 is driven to rotate by the driving motor 19 through the driving shaft 18. The linkage arm 14 is driven to rotate by the rotating arm 17 through the linkage shaft 16. Under the sliding cooperation of the aligning column 13 and the arc-shaped groove 15, the linkage arm 14 drives multiple aligning columns 13 to move synchronously to the center position. The multiple aligning columns 13 are in contact with the outer wall of the circuit board and the patch. Under the continuous action of the aligning column 13, the outer wall of the patch is aligned with the circuit board. The displacement of the patch is prevented. The patch is conveniently and centrally clamped and positioned. The displacement of the patch is prevented. The precision of the placement of the patch is improved.

[0032] Working principle: the circular circuit board and circular patch are placed in turn on the two different tracks on the conveying belt 1, the patch and the circuit board are driven to move synchronously by the conveying belt 1, when it moves to the suction cup 12 below, the support frame 5, the alignment box 6 and the suction cup 12 are driven to move transversely by the lead screw moving mechanism 2 through the bearing bracket 3, so that the suction cup 12 moves to the patch above, the moving lead screw 9 is driven to rotate by the servo motor 11, under the sliding cooperation of the L-shaped frame 10 and the support frame 5, the L-shaped frame 10 is driven to move downward by the moving lead screw 9 through the threaded sleeve 8, the moving sleeve 7, the alignment box 6 and the suction cup 12 are driven to move downward by the L-shaped frame 10, so that the suction cup 12 contacts the patch and adsorbs the patch on the suction cup 12, then the servo motor 11 is opened in reverse, the suction cup 12 and the patch are reset by the servo motor 11, the suction cup 12 and the circuit board are moved to the circuit board by opening the lead screw moving mechanism 2 in reverse, the patch is lowered and placed on the circuit board by the servo motor 11, when the patch is placed, the rotating arm 17 is driven to rotate by the driving motor 19 through the driving shaft 18, the linkage arm 14 is driven to rotate by the rotating arm 17 through the linkage shaft 16, under the sliding cooperation of the alignment column 13 and the arc-shaped groove 15, the linkage arm 14 drives multiple sets of alignment columns 13 to move synchronously to the center position, so that the multiple sets of alignment columns 13 contact the outer wall of the circuit board and the patch, and under the continuous action of the alignment column 13, the outer wall of the patch is aligned with the circuit board, so as to prevent the displacement of the patch, the above is the whole use of the anti-displacement patch device for SMT patch machine.

Claims

1. A displacement-proof device for SMT pick-and-place machines, comprising a conveyor belt (1) and a placement rack (4), characterized in that: The top of the conveying belt (1) is installed with a placing rack (4), the top of the placing rack (4) is installed with a lead screw moving mechanism (2), the output end of the lead screw moving mechanism (2) is installed with a bearing rack (3), the top of the bearing rack (3) is installed with a support rack (5), the top of the support rack (5) is installed with a servo motor (11), the output end of the servo motor (11) is installed with a moving lead screw (9), the surface of the moving lead screw (9) is sleeved with a threaded sleeve (8), the threaded sleeve (8) is in threaded connection with the moving lead screw (9), the surface of the threaded sleeve (8) is installed with an L-shaped frame (10), and the L-shaped frame (10) is in sliding connection with the support rack (5), the bottom end of the L-shaped frame (10) is installed with a moving sleeve (7), and the moving sleeve (7) is in fixed connection with the L-shaped frame (10).

2. The anti-displacement patch device for SMT patch machine according to claim 1, wherein: The bottom end of the moving sleeve (7) is installed with a correcting box (6), and the correcting box (6) is in fixed connection with the moving sleeve (7).

3. The anti-displacement patch device for SMT patch machine according to claim 2, characterized in that: The center position of the bottom end of the correcting box (6) is installed with a suction disc (12), and the suction disc (12) is in fixed connection with the correcting box (6).

4. The anti-displacement patch device for SMT patch machine according to claim 2, characterized in that: The inside of the correcting box (6) is installed with a driving motor (19), and the output end of the driving motor (19) is installed with a driving shaft (18).

5. The anti-displacement patch device for SMT pick-and-place machine according to claim 4, wherein: The surface of the driving shaft (18) is sleeved with four groups of rotating arms (17) at equal intervals, and one end of each rotating arm (17) away from the driving shaft (18) is provided with a linkage arm (14).

6. The anti-displacement patch device for SMT pick-and-place machine according to claim 5, wherein: One end of each linkage arm (14) close to the rotating arm (17) is installed with a linkage shaft (16), and the linkage arm (14) is in movable connection with the rotating arm (17) through the linkage shaft (16).

7. The anti-displacement patch device for SMT patch machine according to claim 5, wherein: One end of each linkage arm (14) away from the linkage shaft (16) is provided with a correcting column (13), and the correcting column (13) is in fixed connection with the linkage arm (14).

8. The anti-displacement patch device for SMT patch machine according to claim 2, wherein: The bottom end of the correcting box (6) is installed with four groups of arc-shaped grooves (15) at equal intervals, and the correcting column (13) is in sliding connection with the arc-shaped groove (15).

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