CN215601762U

CN215601762U - Paster device of printed circuit board

Info

Publication number: CN215601762U
Application number: CN202121573028.6U
Authority: CN
Inventors: 叶华生
Original assignee: Wuhan Kelijie Electronic Technology Co ltd
Current assignee: Wuhan Kelijie Electronic Technology Co ltd
Priority date: 2021-07-12
Filing date: 2021-07-12
Publication date: 2022-01-21
Anticipated expiration: 2031-07-12

Abstract

The utility model discloses a paster device of a printed circuit board, which comprises a fixed frame, wherein a mounting plate is fixedly arranged between the fixed frames, belt rollers are rotatably arranged between the mounting plates, the belt rollers are sleeved with a conveying belt, the conveying belt is provided with a plurality of placing grooves, the middle part of the mounting plate is provided with a clamping mechanism, one end of the mounting plate and the belt rollers are provided with a conveying mechanism, the clamping mechanism and the conveying mechanism are sleeved with a conveying belt, the middle part of the fixed frame is fixedly provided with a guide rail, and a paster head is arranged on the guide rail. Put into the standing groove with the circuit board in proper order, conveying mechanism and clamping mechanism link for clamping mechanism loosens when conveying mechanism drives the conveyer belt and removes, and when the circuit board removed the guide rail bottom, conveying mechanism stopped to make the circuit board stop under the guide rail, and clamping mechanism compresses tightly the circuit board in step, thereby realizes that automatic conveying and location are fixed, and the paster head of being convenient for carries out the paster.

Description

Paster device of printed circuit board

Technical Field

The utility model relates to the technical field of printed circuit boards, in particular to a chip mounting device of a printed circuit board.

Background

Printed circuit board often adopts Surface Mounting Technology (SMT) to laminate the part on the circuit board, then glues solidification and reflow soldering through subsequent paster and fix the part completely, and the paster adopts the paster to connect to go on, and present paster device can be through the paster head with each part laminating on the circuit board, but, the placing of circuit board still fixes a position fixedly through anchor clamps with fixed through the manual work, unable automatic transport circuit board and fixed centre gripping, inefficiency during mass production.

SUMMERY OF THE UTILITY MODEL

In view of the technical shortcomings, the utility model aims to provide a chip mounting device of a printed circuit board.

In order to solve the technical problems, the utility model adopts the following technical scheme: the utility model provides a paster device of a printed circuit board, which comprises fixed frames, wherein mounting plates are fixedly arranged between the fixed frames, belt rollers are rotatably arranged between the mounting plates, the belt rollers are sleeved with conveying belts, the conveying belts are provided with a plurality of placing grooves, the middle parts of the mounting plates are provided with clamping mechanisms, one ends of the mounting plates and the belt rollers are provided with conveying mechanisms, the clamping mechanisms and the conveying mechanisms are sleeved with conveying belts, the middle parts of the fixed frames are fixedly provided with guide rails, and paster heads are arranged on the guide rails.

Preferably, a plurality of part discs are fixedly installed between the inner wall of the fixing frame and the outer wall of the installing plate, patch elements are placed on the part discs, and the depth of the placing groove is the same as the thickness of the circuit board.

Preferably, clamping mechanism includes the fixed block, the top surface middle part fixed mounting fixed block of mounting panel, it has the groove of accomodating to open between fixed block and the mounting panel, accomodate the inslot sliding joint clamp plate, the bottom fixed mounting tray of mounting panel, rotate the installation pivot between the both sides curb plate of tray, two the pivot is cup jointed through helicitic texture respectively to the clamp plate, the one end of pivot runs through the curb plate and the fixed first band pulley that cup joints of tray, cup joint the drive belt on the first band pulley, fixed mounting cylinder on the tray, the output fixed connection rack of cylinder, the gear is cup jointed to the middle part of pivot is fixed, the gear engagement rack.

Preferably, the fixed block is located under the guide rail, the clamp plate is of an L-shaped structure, and the bottom surface of the top plate of the clamp plate is flush with the top surface of the conveying belt.

Preferably, the thread pitches of the two ends of the rotating shaft and the pressing plate are the same, and the thread turning directions are opposite.

Preferably, conveying mechanism includes spacing dish, the one end of belt roller runs through the mounting panel and fixed cup joints two spacing dishes, rotate between spacing dish and cup joint the second band pulley, the outer wall of second band pulley cup joints the drive belt, fixed cup joint first ratchet on the belt roller between spacing dishes, the inner wall of second band pulley rotates a plurality of first pawls of installation, first pawl meshing first ratchet, the solid fixed ring of fixed mounting in the mounting panel, the fixed cup joint second ratchet on the intra-annular belt roller of fixed ring, gu fixed ring inner wall rotates a plurality of second pawls of installation, second pawl meshing second ratchet.

Preferably, the outer wall of the end face of the second belt wheel is fixedly provided with a guide ring, and the guide ring is rotatably clamped with the inner wall of the limiting disc.

Preferably, torsion springs are arranged between the first pawl and the second belt wheel and between the second pawl and the fixed ring, and the inclination directions of the first pawl and the second pawl are the same.

The utility model has the beneficial effects that:

1. the cylinder drives the rack to move back and forth, the rack drives the gear to rotate back and forth, the rotating shaft rotates back and forth, the rotating shaft enables the pressing plate to move back and forth along the accommodating groove through the threaded structure, when the circuit board moves to the fixed block, the pressing plate slides out of the accommodating groove, the circuit board is tightly pressed in the placing groove, and therefore the circuit board can be conveniently pasted;

2. carry on spacingly through two sets of ratchet pawl mechanisms to the belt roller for belt roller unidirectional rotation, thereby with the linkage of clamping mechanism, the belt roller is static when realizing that the clamp plate presss from both sides tight circuit board, the fixed paster of circuit board of being convenient for, behind the iron sheet, the clamp plate removes and breaks away from the circuit board, the belt roller rotates this moment and drives the conveyer belt and remove, thereby remove the circuit board that the paster is good, and carry next circuit board and paster head below paster, realize automatic transport, location and press from both sides tightly, raise the efficiency.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

Fig. 1 is a schematic structural diagram of a chip mounting device of a printed circuit board according to an embodiment of the present invention.

Fig. 2 is a schematic structural diagram of the clamping mechanism of the present invention.

Fig. 3 is a schematic structural diagram of the conveying mechanism of the present invention.

Description of reference numerals: 1. a fixed mount; 2. mounting a plate; 3. a guide rail; 4. a chip mounting head; 5. a belt roller; 6. a conveyor belt; 7. a placement groove; 8. a clamping mechanism; 81. a fixed block; 82. a receiving groove; 83. pressing a plate; 84. a tray; 85. a cylinder; 86. a rack; 87. a gear; 88. a rotating shaft; 89. a first pulley; 9. a conveying mechanism; 91. a second pulley; 92. a limiting disc; 93. a first ratchet wheel; 94. a first pawl; 95. a second ratchet wheel; 96. a fixing ring; 97. a second pawl; 10. a transmission belt; 11. a guide ring.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example (b): as shown in fig. 1-3, the utility model provides a printed circuit board surface mounting device, which comprises a fixed frame 1, wherein a mounting plate 2 is fixedly mounted between the fixed frame 1, a belt roller 5 is rotatably mounted between the mounting plate 2, a conveying belt 6 is sleeved on the belt roller 5, a plurality of placing grooves 7 are formed in the conveying belt 6, a clamping mechanism 8 is mounted in the middle of the mounting plate 2, a conveying mechanism 9 is mounted between one end of the mounting plate 2 and the belt roller 5, a conveying belt 10 is sleeved between the clamping mechanism 8 and the conveying mechanism 9, a guide rail 3 is fixedly mounted in the middle of the fixed frame 1, and a surface mounting head 4 is mounted on the guide rail 3. Put into standing groove 7 with the circuit board in proper order, conveying mechanism 9 and clamping mechanism 8 linkage for clamping mechanism 8 unclamps when conveying mechanism 9 drives conveyer belt 6 and removes, and when the circuit board removed 3 bottoms of guide rail, conveying mechanism 9 stopped to make the circuit board stop under guide rail 3, and clamping mechanism 8 compresses tightly the circuit board in step, thereby realizes automatic transport and fixes a position fixedly, and the paster head 4 of being convenient for carries out the paster.

A plurality of part dishes of fixed mounting between the outer wall of 1 inner wall of mount and mounting panel 2, and place the paster component on the part dish, the degree of depth of standing groove 7 is the same with the thickness of circuit board.

The clamping mechanism 8 comprises a fixed block 81, the fixed block 81 is fixedly installed in the middle of the top surface of the mounting plate 2, an accommodating groove 82 is formed between the fixed block 81 and the mounting plate 2, a pressing plate 83 is slidably clamped in the accommodating groove 82, a tray 84 is fixedly installed at the bottom of the mounting plate 2, a rotating shaft 88 is rotatably installed between two side plates of the tray 84, the two pressing plates 83 are respectively sleeved with the rotating shaft 88 through a threaded structure, one end of the rotating shaft 88 penetrates through the side plates of the tray 84 and is fixedly sleeved with a first belt pulley 89, a transmission belt 10 is sleeved on the first belt pulley 89, an air cylinder 85 is fixedly installed on the tray 84, an output end of the air cylinder 85 is fixedly connected with a rack 86, a gear 87 is fixedly sleeved in the middle of the rotating shaft 88, the gear 87 is meshed with the rack 86, two ends of the rotating shaft 88 are the same in thread pitch and opposite in thread turning direction as those connected with the pressing plates 83, the fixed block 81 is positioned under the guide rail 3, the pressing plate 83 is of an L-shaped structure, the bottom surface of a top plate of the pressing plate 83 is flush with the top surface of the conveying belt 6, then cylinder 85 drives rack 86 round trip movement, rack 86 drives gear 87 round trip movement, then pivot 88 reciprocating rotation, then pivot 88 makes clamp plate 83 follow along accomodating groove 82 reciprocating motion through helicitic texture, when the circuit board removed fixed block 81, clamp plate 83 roll-off accomodates groove 82, compress tightly the circuit board in standing groove 7, the paster of being convenient for, clamp plate 83 slips into after the paster and accomodates groove 82, first band pulley 89 drives conveying mechanism 9 through drive belt 10 this moment and removes, thereby carry next circuit board and carry out the paster under paster head 4, realize automatic continuous operation.

The conveying mechanism 9 comprises a limiting disc 92, one end of a belt roller 5 penetrates through a mounting plate 2 and is fixedly sleeved with two limiting discs 92, a second belt wheel 91 is rotatably sleeved between the limiting discs 92, the outer wall of the second belt wheel 91 is sleeved with a transmission belt 10, a first ratchet wheel 93 is fixedly sleeved on the belt roller 5 between the limiting discs 92, a plurality of first pawls 94 are rotatably mounted on the inner wall of the second belt wheel 91, the first pawls 94 are meshed with the first ratchet wheel 93, a fixing ring 96 is fixedly mounted in the mounting plate 2, a second ratchet wheel 95 is fixedly sleeved on the belt roller 5 in the fixing ring 96, a plurality of second pawls 97 are rotatably mounted on the inner wall of the fixing ring 96, the second pawls 97 are meshed with the second ratchet wheel 95, a guide ring 11 is fixedly mounted on the outer wall of the end face of the second belt wheel 91, the guide ring 11 is rotatably clamped with the inner wall of the limiting disc 92, torsion springs are mounted between the first pawls 94 and the second belt wheel 91 and between the second pawls 97 and the fixing ring 96, the first pawls 94 and the second pawls 97 are inclined in the same direction, when the rotating shaft 88 drives the pressing plate 83 to slide out of the accommodating groove 82, the transmission belt 10 drives the second belt wheel 91 to rotate, at this time, the first pawl 94 slides along the inclined plane of the ratchet of the first ratchet wheel 93, and meanwhile, the belt roller 5 cannot rotate under the limit of the second ratchet wheel 95 and the second pawl 97, the second belt wheel 91 idles, the transmission belt 6 keeps static, so that the pressing plate 83 presses the circuit board for pasting, after pasting, the rotating shaft 88 rotates reversely to make the pressing plate 83 separate from the circuit board, at this time, the transmission belt 10 drives the second belt wheel 91 to rotate, the first pawl 94 contacts with the plane end of the first ratchet wheel 93, so that the electric belt roller 5 rotates, at this time, the inclined plane of the ratchet of the second ratchet wheel 95 contacts with the second pawl 97, so that the second pawl 97 is pressed into the fixing ring 96, the belt roller 5 rotates smoothly, so that the transmission belt 6 is driven to remove the pasted circuit board, and convey the next circuit board to the pasting head 4, automatic conveying, positioning and clamping are realized, and the efficiency is improved.

When the device is used, a circuit board is sequentially placed into the placing groove 7, the air cylinder 85 drives the rack 86 to move back and forth, the rack 86 drives the gear 87 to rotate back and forth, the rotating shaft 88 rotates back and forth, the rotating shaft 88 enables the pressing plate 83 to move back and forth along the accommodating groove 82 through a threaded structure, when the circuit board moves to the fixed block 81, the pressing plate 83 slides out of the accommodating groove 82 to press the circuit board in the placing groove 7 to facilitate mounting, the transmission belt 10 drives the second belt wheel 91 to rotate, the first pawl 94 slides along the inclined plane of the ratchet of the first ratchet 93 at the moment, meanwhile, the belt roller 5 cannot rotate under the limiting of the second ratchet 95 and the second pawl 97, the second belt wheel 91 idles, the transmission belt 6 keeps static, the pressing plate 83 presses the circuit board to perform mounting, after the mounting is finished, the rotating shaft 88 rotates reversely to enable the pressing plate 83 to be separated from the circuit board, at the moment, the transmission belt 10 drives the second belt wheel 91 to rotate, the first pawl 94 is in contact with the plane end of the first ratchet 93, therefore, the electric belt roller 5 rotates, the inclined plane of the ratchet of the second ratchet wheel 95 is in contact with the second pawl 97, the second pawl 97 is pressed into the fixing ring 96, the belt roller 5 rotates smoothly, the conveying belt 6 is driven to move away a circuit board which is well pasted with a next circuit board, the next circuit board is conveyed to the portion, below the pasting head 4, of the pasting head, automatic conveying, positioning and clamping are achieved, and efficiency is improved.

It will be apparent to those skilled in the art that various changes and modifications may be made in the present invention without departing from the spirit and scope of the utility model. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations.

Claims

1. The utility model provides a paster device of printed circuit board, includes mount (1), its characterized in that: fixed mounting panel (2) between mount (1), install belt roller (5) between rotation of mounting panel (2), cup joint conveyer belt (6) on belt roller (5), it has a plurality of standing grooves (7) to open on conveyer belt (6), mid-mounting clamping mechanism (8) of mounting panel (2), install conveying mechanism (9) between the one end of mounting panel (2) and belt roller (5), cup joint drive belt (10) between clamping mechanism (8) and conveying mechanism (9), mid-fixing mounting guide rail (3) of mount (1), install paster head (4) on guide rail (3).

2. A chip mounting apparatus for a printed circuit board according to claim 1, wherein: a plurality of part discs of fixed mounting between the outer wall of mount (1) inner wall and mounting panel (2), and place the paster component on the part disc, the degree of depth of standing groove (7) is the same with the thickness of circuit board.

3. A chip mounting apparatus for a printed circuit board according to claim 1, wherein: clamping mechanism (8) includes fixed block (81), top surface middle part fixed mounting fixed block (81) of mounting panel (2), fixed block (81) and mounting panel (2) are separated and are taken in groove (82), take in slip joint clamp plate (83) in groove (82), bottom fixed mounting tray (84) of mounting panel (2), rotate between the both sides curb plate of tray (84) and install pivot (88), two clamp plate (83) cup joint pivot (88) through helicitic texture respectively, the curb plate of tray (84) is run through and fixed the cup joint first band pulley (89) to the one end of pivot (88), cup joint drive belt (10) on first band pulley (89), fixed mounting cylinder (85) on tray (84), the output fixed connection rack (86) of cylinder (85), gear (87) is cup jointed in the middle part fixed of pivot (88), the gear (87) engages the rack (86).

4. A chip mounting apparatus for a printed circuit board according to claim 3, wherein: fixed block (81) are located under guide rail (3), clamp plate (83) are L type structure, the roof bottom surface of clamp plate (83) is parallel and level mutually with the top surface of conveyer belt (6).

5. A chip mounting apparatus for a printed circuit board according to claim 3, wherein: the thread pitches of the two ends of the rotating shaft (88) and the thread pitches of the two ends of the rotating shaft (88) connected with the pressing plate (83) are the same and the thread turning directions are opposite.

6. A chip mounting apparatus for a printed circuit board according to claim 1, wherein: the conveying mechanism (9) comprises a limiting disc (92), one end of the belt roller (5) penetrates through the mounting plate (2) and is fixedly sleeved with the two limiting discs (92), a second belt wheel (91) is rotatably sleeved between the limiting discs (92), the outer wall of the second belt wheel (91) is sleeved with a transmission belt (10), a first ratchet wheel (93) is fixedly sleeved on the belt roller (5) between the limiting discs (92), a plurality of first pawls (94) are rotatably mounted on the inner wall of the second pulley (91), the first pawl (94) is engaged with a first ratchet wheel (93), a fixed ring (96) is fixedly arranged in the mounting plate (2), a second ratchet wheel (95) is fixedly sleeved on the belt roller (5) in the fixed ring (96), a plurality of second pawls (97) are rotatably mounted on the inner wall of the fixing ring (96), and the second pawls (97) are engaged with the second ratchet wheel (95).

7. A chip mounting apparatus for a printed circuit board according to claim 6, wherein: the terminal surface outer wall fixed mounting guide ring (11) of second band pulley (91), guide ring (11) rotate the inner wall of joint spacing dish (92).

8. A chip mounting apparatus for a printed circuit board according to claim 6, wherein: torsion springs are respectively arranged between the first pawl (94) and the second belt wheel (91) and between the second pawl (97) and the fixing ring (96), and the inclination directions of the first pawl (94) and the second pawl (97) are the same.