CN213305885U

CN213305885U - PCB deviation-preventing positioning device of SMT chip mounter

Info

Publication number: CN213305885U
Application number: CN202022414089.XU
Authority: CN
Inventors: 刘晋
Original assignee: Suzhou Xinshen Electronics Co ltd
Current assignee: Suzhou Xinshen Electronics Co ltd
Priority date: 2020-10-27
Filing date: 2020-10-27
Publication date: 2021-05-28
Anticipated expiration: 2030-10-27

Abstract

The utility model discloses a PCB of SMT chip mounter prevents inclined to one side positioner, including track and U-shaped fixture block, the track is provided with two, two the track deviates from the both sides of one end and is fixed with the lead screw respectively, with two on the root track the lead screw deviates from and is fixed with miniature step motor on the track of one end respectively, four the U-shaped fixture block joint is on two tracks respectively, the U-shaped fixture block inboard is connected with screw drive, the upper and lower both ends of U-shaped fixture block opening part are embedded respectively and are installed miniature pneumatic cylinder, movable mounting has the hydraulic stem on the miniature pneumatic cylinder, and the hydraulic stem passes the U-shaped fixture block, the one end that the hydraulic stem deviates from miniature pneumatic cylinder is fixed with the clamp plate, the one side laminating that the clamp plate deviates from the hydraulic stem is fixed with the silica. The utility model has the advantages of fix a position the last lower surface of PCB panel four corners department, ensure that the PCB board is stable in the course of working.

Description

PCB deviation-preventing positioning device of SMT chip mounter

Technical Field

The utility model relates to a PCB board preparation technical field specifically is a PCB of SMT chip mounter prevents inclined to one side positioner.

Background

The full-automatic chip mounter is used for realizing full-automatic component mounting at high speed and high precision, and is the most critical and complex equipment in the whole SMT production. Chip mounters are main devices in SMT production lines, have been developed from early low-speed mechanical chip mounters to high-speed optical centering chip mounters, and have been developed towards multifunctional and flexible connection modularization.

The production operation of the PCB is carried out by the SMT chip mounter, the PCB stops after being conveyed to the SMT chip mounter by the conveying mechanism, and the upper surface and the lower surface of the PCB do not have corresponding positioning mechanisms in the processing process of the PCB in the SMT chip mounter.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a PCB of SMT chip mounter prevents inclined to one side positioner possesses the last lower surface to PCB panel four corners department and fixes a position, ensures the stable advantage of PCB board in the course of working, has solved the in-process of PCB board processing in SMT chip mounter, and the last lower surface of PCB board does not have corresponding positioning mechanism's problem.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a PCB of SMT chip mounter prevents inclined to one side positioner, includes track and U-shaped fixture block, the track is provided with two, two the track both sides that deviate from one end mutually are fixed with the lead screw respectively, two on the same root track the lead screw deviates from and is fixed with miniature step motor, four on the track of one end respectively U-shaped fixture block joint respectively on two tracks, U-shaped fixture block inboard is connected with screw drive, miniature pneumatic cylinder is installed in the upper and lower both ends embedding respectively of U-shaped fixture block opening part, movable mounting has the hydraulic stem on the miniature pneumatic cylinder, and the hydraulic stem passes the U-shaped fixture block, the one end that the hydraulic stem deviates from miniature pneumatic cylinder is fixed with the clamp plate, the clamp plate deviates from one side laminating of hydraulic stem and is fixed with the silica gel.

Preferably, the two opposite ends of the rails are respectively provided with a sliding chute, and the inner walls of the rails at the upper end and the lower end of the sliding chutes are provided with transmission rollers.

Preferably, the micro stepping motor is rotationally connected with a screw rod on the screw rod through a transmission shaft.

Preferably, the U-shaped fixture block is contacted with the rail but not fixed.

Preferably, the upper end and the lower end of the opening of the U-shaped fixture block are respectively provided with a through hole matched with the hydraulic rod, and the hydraulic rod penetrates through the through holes.

Compared with the prior art, the beneficial effects of the utility model are as follows: the utility model discloses a set up U-shaped fixture block, miniature pneumatic cylinder, clamp plate and silica gel pad, reached and fix a position PCB board four corners department's last lower surface, ensured the stable effect of PCB board in the course of working, the utility model discloses be provided with U-shaped fixture block, miniature pneumatic cylinder, clamp plate and silica gel pad, the track is provided with two, and the PCB board is carried between two tracks. The two sides of the rear end of the track are respectively fixed with a lead screw, the two lead screws are respectively fixed with a micro step motor on the track at the end deviating from the track, and the micro step motors are rotationally connected with the lead screws on the lead screws through transmission shafts. The U-shaped clamping block is clamped on the rail, the U-shaped clamping block is not fixed with the rail, and the inner side of the U-shaped clamping block is in transmission connection with the lead screw. After the PCB is conveyed into the SMT chip mounter through the rail, the miniature stepping motor is started to drive the U-shaped fixture block to move through the lead screw, and the U-shaped fixture block is located at the corner of the PCB. The miniature pneumatic cylinder starts, and the hydraulic stem drives the clamp plate and removes until silica gel pad and PCB board contact. Through eight miniature pneumatic cylinders on two tracks, fix a position the upper and lower face of PCB panel four corners department, ensure that the PCB board is stable in the course of working.

Drawings

Fig. 1 is a schematic top view of the present invention;

FIG. 2 is a right side sectional view of the present invention;

fig. 3 is an enlarged schematic view of the position a of the present invention.

In the figure: 1. a track; 2. a micro hydraulic cylinder; 3. a micro stepper motor; 4. a U-shaped clamping block; 5. a lead screw; 6. a chute; 7. a transmission roller; 8. a hydraulic lever; 9. a silica gel pad; 10. and (7) pressing a plate.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element to which the reference is made must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, and for example, "connected" may be either fixedly connected or detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1 to fig. 3, the present invention provides an embodiment: the utility model provides a PCB of SMT chip mounter prevents inclined to one side positioner, includes track 1 and U-shaped fixture block 4, and track 1 is provided with two, and spout 6 has been seted up respectively to two track 1 relative one end, installs transmission gyro wheel 7 on the track 1 inner wall at both ends about spout 6. The PCB is conveyed between the two rails 1, and the rails 1 convey the PCB into the SMT chip mounter.

Two sides of one end of each of the two rails 1, which is opposite to the other end, are respectively fixed with a lead screw 5, the rail 1 of one end of each of the two lead screws 5, which is opposite to the other end, on the same rail 1 is respectively fixed with a micro stepping motor 3, and the micro stepping motor 3 is rotatably connected with the lead screw on the lead screw 5 through a transmission shaft, as is well known to those skilled in the art, the micro stepping motor 3 is provided with common knowledge, belongs to conventional means or common knowledge, and is not repeated herein, and the skilled in the art can perform any selection according to the needs or the convenience. The four U-shaped fixture blocks 4 are respectively clamped on the two rails 1, and the U-shaped fixture blocks 4 are in contact with the rails 1 but are not fixed. The inner side of the U-shaped fixture block 4 is in transmission connection with the lead screw 5, after the PCB is conveyed into the SMT chip mounter through the rail 1, the miniature stepping motor 3 is started to drive the U-shaped fixture block 4 to move through the lead screw 5, and the U-shaped fixture block 4 is located at the corner of the PCB.

The upper end and the lower end of the opening of the U-shaped fixture block 4 are respectively embedded with the micro hydraulic cylinder 2, the micro hydraulic cylinder 2 is connected with an external micro hydraulic pump, as is well known to those skilled in the art, the provision of the micro hydraulic pump is common, and the micro hydraulic pump belongs to conventional means or common knowledge and is not described herein any more, and the those skilled in the art can carry out any matching according to the needs or convenience thereof. A hydraulic rod 8 is movably mounted on the micro hydraulic cylinder 2, through holes matched with the hydraulic rod 8 are formed in the upper end and the lower end of the opening of the U-shaped fixture block 4 respectively, the hydraulic rod 8 penetrates through the through holes, and the hydraulic rod 8 penetrates through the U-shaped fixture block 4. The one end that hydraulic stem 8 deviates from miniature pneumatic cylinder 2 is fixed with clamp plate 10, and one side laminating that clamp plate 10 deviates from hydraulic stem 8 is fixed with silica gel pad 9. After the position of the PCB is determined, the micro hydraulic cylinder 2 is started, and the hydraulic rod 8 drives the pressing plate 10 to move until the silica gel pad 9 is contacted with the PCB. Through eight miniature pneumatic cylinders 2 on two tracks 1, fix a position the upper and lower face of PCB panel four corners department, ensure that the PCB board is stable in the course of working.

The working principle is as follows: after the PCB is conveyed into the SMT chip mounter through the rail 1, the micro stepping motor 3 is started to drive the U-shaped fixture block 4 to move through the lead screw 5, so that the U-shaped fixture block 4 is positioned at the corner of the PCB; the micro hydraulic cylinder 2 is started, and the hydraulic rod 8 drives the pressing plate 10 to move until the silica gel pad 9 is contacted with the PCB. The upper surface and the lower surface of the four corners of the PCB board are positioned through eight micro hydraulic cylinders 2 on the two tracks 1.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a PCB of SMT chip mounter prevents inclined to one side positioner, includes track (1) and U-shaped fixture block (4), its characterized in that: the two rails (1) are provided, two ends of the two rails (1) opposite to each other are respectively fixed with a lead screw (5), the rails (1) on the same rail (1) opposite to each other are respectively fixed with a micro stepping motor (3), four U-shaped clamping blocks (4) are respectively clamped on the two rails (1), the inner side of the U-shaped clamping block (4) is in transmission connection with the screw rod (5), the upper end and the lower end of the opening of the U-shaped clamping block (4) are respectively embedded with a micro hydraulic cylinder (2), a hydraulic rod (8) is movably arranged on the micro hydraulic cylinder (2), the hydraulic rod (8) penetrates through the U-shaped clamping block (4), a pressing plate (10) is fixed at one end of the hydraulic rod (8) departing from the micro hydraulic cylinder (2), and a silica gel pad (9) is attached and fixed to one side of the pressing plate (10) departing from the hydraulic rod (8).

2. The PCB deviation-preventing positioning device of the SMT chip mounter according to claim 1, wherein: two the relative one end of track (1) is seted up spout (6) respectively, installs on the track (1) inner wall at both ends about spout (6) transmission gyro wheel (7).

3. The PCB deviation-preventing positioning device of the SMT chip mounter according to claim 1, wherein: the micro stepping motor (3) is rotationally connected with a screw rod on the screw rod (5) through a transmission shaft.

4. The PCB deviation-preventing positioning device of the SMT chip mounter according to claim 1, wherein: the U-shaped fixture block (4) is in contact with the rail (1) but is not fixed.

5. The PCB deviation-preventing positioning device of the SMT chip mounter according to claim 1, wherein: the upper end and the lower end of the opening of the U-shaped clamping block (4) are respectively provided with a through hole matched with the hydraulic rod (8), and the hydraulic rod (8) penetrates through the through holes.