Suction nozzle structure of circuit board chip mounter

Abstract

The utility model belongs to the technical field of chip mounter suction nozzle structures, and particularly relates to a circuit board chip mounter suction nozzle structure, which comprises a chip mounting head body communicated with an air guide pipe, a turntable arranged at one end of the chip mounting head body away from the air guide pipe, and a driving part arranged on one side of the turntable and used for rotation driving. A plurality of suction nozzle assemblies with different sizes are distributed on the turntable in an annular array, the plurality of suction nozzle assemblies sequentially pass through the chip mounting head body based on rotation, a lifting mechanism is further arranged between the driving part and the chip mounting head body, and the lifting mechanism is used for driving the plurality of suction nozzle assemblies to be in butt joint with the chip mounting head body in sequence. According to the chip mounting head, the rotary table and the plurality of suction nozzle assemblies are additionally arranged, so that the plurality of suction nozzle assemblies with different sizes can be rotatably integrated at one end of the chip mounting head body, and the switching stability of the suction nozzle assemblies with different sizes is improved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the nozzle structure technical field of paster, specifically relates to a circuit board paster nozzle structure. BACKGROUND

[0002] Circuit board needs to use paster when pasting, and the paster comprises a mechanical system, a detection and identification system, a feeder part, a computer control system and a paster head.

[0003] When the circuit board is pasted, different nozzle structures need to be replaced when sucking different sizes of patches, and there are two ways to replace the nozzle structure on the existing paster: one is to install multiple nozzle structures side by side, select the corresponding nozzle structure to suck the patch during pasting, and the other is to place multiple nozzle structures on one side of the operation table, move the paster head to the nozzle structure during pasting, and repeat the above steps after completing the disengagement and butt joint combination operation of the nozzle structure when sucking different size patches, so that different size patches can be pasted. However, the parallel installation of multiple nozzles increases the volume of the equipment and reduces the flexibility of the equipment. In addition, the multiple nozzle structures may fall accidentally during disengagement and butt joint, thereby damaging the nozzle structure and the circuit board, and greatly reducing the practicability of the equipment. UTILITY MODEL CONTENTS

[0004] The utility model aims at providing a circuit board paster nozzle structure to solve the problems in the background art.

[0005] To achieve the above purpose, the utility model provides the following technical scheme: a circuit board paster nozzle structure, comprising: a paster head body in communication with a gas guide pipe, one end of the paster head body away from the gas guide pipe is provided with a turntable, one side of the turntable is provided with a driving element for rotary driving, a plurality of nozzle assemblies with different sizes are arranged in an annular array on the turntable, and the plurality of nozzle assemblies are sequentially passed through the paster head body based on rotation.

[0006] Preferably, a lifting mechanism is further arranged between the driving element and the paster head body, and the lifting mechanism is used to drive the plurality of nozzle assemblies to be sequentially butt jointed with the paster head body.

[0007] Preferably, the lifting mechanism comprises a mounting sleeve and a gas cylinder, the mounting sleeve is sleeved on the paster head body, a sliding sleeve capable of lifting on the paster head body is arranged on the inner wall of the mounting sleeve, a mounting seat is arranged on the paster head body, the gas cylinder is mounted between the mounting sleeve and the mounting seat, and the driving element is mounted on the mounting sleeve.

[0008] Preferably, the nozzle assembly comprises a nozzle piece and a docking end communicatedly mounted at one end of the nozzle piece, a plurality of mounting holes for the docking end to pass through are formed through the rotating disc, a fixing member for fixing the docking end is arranged in each mounting hole, a docking hole communicated with the air guide pipe and an air guide channel are sequentially formed at one end of the patch head body, and one end of the docking end is inserted into the docking hole.

[0009] Preferably, a sealing gasket for sealing is arranged at the connection between the air guide channel and the docking hole, and one end of the docking end abuts against the sealing gasket.

[0010] Preferably, the fixing member is a fastening bolt, a plurality of recessed holes are formed at the outer portion of the rotating disc, one end of each recessed hole extends into a corresponding mounting hole, one end of each fastening bolt is arranged in a corresponding mounting hole, and one end of the fastening bolt abuts against the outer wall of the docking end.

[0011] Preferably, the driving member comprises a motor.

[0012] Compared with the prior art, the utility model has the following beneficial effects:

[0013] (1) The utility model discloses a rotating disc and a plurality of nozzle assemblies are additionally arranged, so that a plurality of nozzle assemblies of different sizes can be rotatably integrated at one end of the patch head body, and the stability during switching of nozzle assemblies of different sizes is improved.

[0014] (2) The utility model discloses an elevating mechanism is additionally arranged, and each nozzle assembly can be docked with the patch head body through the elevating mechanism, and the stability of the docking between the nozzle assembly and the patch head body is improved. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is the front view of the utility model;

[0016] Figure 2 It is the structure schematic view of the plurality of nozzle assemblies and the rotating disc of the utility model;

[0017] Figure 3 It is the local cooperation schematic view of the nozzle assembly, the patch head body, the fixing member and the rotating disc of the utility model;

[0018] Figure 4 It is the plan view of the mounting sleeve, the sliding sleeve and the patch head body of the utility model;

[0019] In the drawing: 1, air guide pipe;2, patch head body;3, mounting sleeve;4, nozzle piece;5, rotating disc;6, docking end;7, motor;8, air cylinder;9, mounting seat;10, air guide channel;11, mounting hole;12, sealing gasket;13, docking hole;14, sliding sleeve;15, fastening bolt;16, recessed hole. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the utility model will be apparently and completely described in connection with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0021] Reference Figures 1-2 As shown in the figure, the utility model provides a kind of circuit board chip mounter suction nozzle structure, comprising: the communication of air guide pipe 1 with chip mount head body 2, the end of chip mount head body 2 away from air guide pipe 1 is equipped with carousel 5, one side of carousel 5 is equipped with the driving element for rotary drive, carousel 5 is distributed with multiple suction nozzle assemblies of different sizes in annular array, and multiple suction nozzle assemblies are sequentially passed through chip mount head body 2 based on rotation.

[0022] In combination Figure 1 As shown, driving element includes motor 7.

[0023] The above, in the use of air guide pipe 1, chip mount head body 2, carousel 5 and driving element provided by the utility model, multiple suction nozzle assemblies of different sizes are distributed in annular array on carousel 5, when motor 7 in driving element drives carousel 5 to rotate, different size suction nozzle assemblies can be sequentially passed through the end of chip mount head body 2, so that chip mount head body 2 and the docking of passing suction nozzle assembly are facilitated.

[0024] In the utility model, in combination Figure 1 As shown, the driving element of the embodiment and chip mount head body 2 are also equipped with lifting mechanism between them, and lifting mechanism is used to drive multiple suction nozzle assemblies to be sequentially docked with chip mount head body 2.

[0025] In combination Figure 1 And Figure 4 As shown, lifting mechanism includes mounting sleeve 3 and cylinder 8, mounting sleeve 3 is sleeved on chip mount head body 2, and the inner wall of mounting sleeve 3 is equipped with sliding sleeve 14 that can be lifted on chip mount head body 2, mounting seat 9 is equipped on chip mount head body 2, cylinder 8 is installed between mounting sleeve 3 and mounting seat 9, and driving element is installed on mounting sleeve 3.

[0026] The above, in the use of lifting mechanism provided by the utility model, air cylinder 8 in lifting mechanism is installed between chip mount head body 2 and mounting sleeve 3 through mounting seat 9, when cylinder 8 starts, mounting sleeve 3 moves axially on chip mount head body 2 through sliding sleeve 14, so as to drive carousel 5 to be close to or away from the end of chip mount head body 2, so that suction nozzle piece 4 and chip mount head body 2 are docked or separated.

[0027] In the utility model, in combination with Figure 3 The nozzle assembly of the embodiment includes a nozzle piece 4 and a docking end 6 communicated and installed at one end of the nozzle piece 4, a plurality of mounting holes 11 through which the docking end 6 passes are penetrated through the rotating disc 5, a fixing piece for fixing the docking end 6 is arranged in each mounting hole 11, a docking hole 13 communicated with the air guide pipe 1 and an air guide channel 10 are sequentially arranged at one end of the patch head body 2, and one end of the docking end 6 can be inserted into the docking hole 13.

[0028] In combination with Figure 3 The connecting part between the air guide channel 10 and the docking hole 13 is provided with a sealing gasket 12 for sealing, and one end of the docking end 6 abuts on the sealing gasket 12.

[0029] The above, in use of the nozzle assembly provided by the utility model, the nozzle piece 4 is detachably installed on the rotating disc 5 through the fixing piece, when the rotating disc 5 approaches the patch head body 2, the docking end 6 on the nozzle piece 4 is inserted into the docking hole 13, at this time, the sealing gasket 12 is filled in the gap between the docking end 6 and the docking hole 13 under pressure, and air leakage at the connecting part between the patch head body 2 and the nozzle piece 4 is avoided.

[0030] Further, in order to facilitate replacement of the nozzle piece 4, in combination with Figure 1 And Figure 3 The fixing piece is a fastening bolt 15, a plurality of recessed holes 16 are arranged on the outside of the rotating disc 5, one end of each of the plurality of recessed holes 16 extends into the corresponding mounting hole 11, each fastening bolt 15 is installed in the corresponding mounting hole 11, and one end of the fastening bolt 15 abuts on the outer wall of the docking end 6. The fastening bolt 15 is rotated outward in the recessed hole 16, so that the fastening bolt 15 is separated from the docking end 6, at this time, the docking end 6 on the nozzle piece 4 can be pulled out of the mounting hole 11, so that replacement of the nozzle piece 4 is facilitated.

[0031] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to the embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A circuit board pick-and-place machine nozzle structure, characterized by, The utility model relates to a kind of airway guide tube and patch head body (2) for communicating, the patch head body (2) is equipped with carousel (5) in the end of airway guide tube (1) away, one side of carousel (5) is equipped with driving member for rotary drive, carousel (5) is annular array distribution with multiple nozzle assemblies of different sizes, multiple nozzle assemblies are sequentially passed through patch head body (2) based on rotation. Lifting mechanism is further equipped between the driving member and patch head body (2), and the lifting mechanism is used to drive multiple nozzle assemblies to be sequentially docked with patch head body (2).

2. A circuit board pick-and-place machine nozzle structure according to claim 1, wherein: The lifting mechanism includes mounting sleeve (3) and air cylinder (8), the mounting sleeve (3) is sleeved on patch head body (2), and the inner wall of mounting sleeve (3) is equipped with sliding sleeve (14) that can be lifted on patch head body (2), mounting seat (9) is equipped on patch head body (2), air cylinder (8) is installed between mounting sleeve (3) and mounting seat (9), and the driving member is installed on mounting sleeve (3).

3. A circuit board pick-and-place machine nozzle structure according to claim 2, wherein: The nozzle assembly includes nozzle piece (4) and communication installation end (6) in one end of nozzle piece (4), carousel (5) is penetrated with multiple installation holes (11) that accommodate installation end (6) to pass through, each installation hole (11) is equipped with fixing piece for fixing installation end (6), one end of patch head body (2) is sequentially provided with docking hole (13) and air guide channel (10) for communicating with airway guide tube (1), one end of installation end (6) can be inserted into docking hole (13).

4. The nozzle structure of a circuit board placement machine according to claim 1, wherein: Sealing gasket (12) is arranged between air guide channel (10) and docking hole (13) for sealing, and one end of installation end (6) is abutted on sealing gasket (12).

5. A circuit board pick-and-place machine nozzle structure according to claim 4, wherein: The fixing piece is fastening bolt (15), multiple recessed holes (16) are arranged on the outside of carousel (5), one end of multiple recessed holes (16) respectively extends into multiple installation holes (11), each fastening bolt (15) is installed in corresponding installation hole (11), and one end of fastening bolt (15) is abutted on the outer wall of installation end (6).

6. A circuit board pick-and-place machine nozzle structure according to claim 4, wherein: The driving member includes motor (7).

7. A circuit board placement machine nozzle structure according to claim 1 wherein: ​

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