CN213445113U

CN213445113U - Vacuum chuck moving mechanism for full-automatic chip mounter of liquid crystal display

Info

Publication number: CN213445113U
Application number: CN202022522610.1U
Authority: CN
Inventors: 谭国营
Original assignee: Huizhou Nolixing Electronic Technology Co ltd
Current assignee: Huizhou Nolixing Electronic Technology Co ltd
Priority date: 2020-11-04
Filing date: 2020-11-04
Publication date: 2021-06-15
Anticipated expiration: 2030-11-04

Abstract

The utility model discloses a vacuum chuck moving mechanism for a full-automatic liquid crystal display chip mounter, which comprises a placing box, a transverse plate arranged above the placing box and two groups of fixing devices symmetrically arranged below the transverse plate, wherein each fixing device comprises a sleeve, a second spring is hinged in the sleeve, a group of circular shafts with one ends extending out of the sleeve are movably arranged in the sleeve, the lower end faces of the circular shafts are provided with discs, the lower end faces of the discs are hinged with the second spring, the lower end faces of the sleeves are fixedly provided with vacuum chucks, the upper end face of the placing box is centrally provided with a rectangular groove, both sides of the groove wall of the groove are movably provided with threaded rods, the outer edge face of each threaded rod is provided with a mounting plate in a threaded fit manner, and the vacuum chuck moving mechanism for the full-automatic liquid crystal display chip mounter is reasonable in structure and is convenient for providing buffering when the vacuum chucks fix, meanwhile, the surface of the liquid crystal display is convenient to clean integrally, and the practicability is high.

Description

Vacuum chuck moving mechanism for full-automatic chip mounter of liquid crystal display

Technical Field

The utility model belongs to the technical field of the chip mounter, concretely relates to full-automatic chip mounter of LCD vacuum chuck moving mechanism.

Background

Chip mounter: the placement machine is also called a placement machine and a surface placement system, and is a device which is configured behind a dispensing machine or a screen printing machine in a production line and accurately places surface-mounted components on PCB pads by moving a placement head. The full-automatic chip mounter is a device for full-automatically mounting components at high speed and high precision, and is the most critical and complex device in the whole SMT production.

The surface of the liquid crystal display is not scratched in the process of feeding the liquid crystal display to a chip by the current chip mounter, the liquid crystal display is usually fixed and moved by using a vacuum sucker, the vacuum sucker which can be used currently does not have the buffering effect when the vacuum sucker is fixed, the internal devices of the liquid crystal display are easily damaged in the fixing process, the subsequent use of the liquid crystal display is influenced, the effect of the chip mounting is ensured by the current chip mounter before the chip mounting, the surface of the liquid crystal display is often required to be gradually cleaned by workers, the labor force is increased, and the automation degree is low.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a full-automatic vacuum chuck moving mechanism for chip mounter of LCD to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a vacuum chuck moving mechanism for a full-automatic liquid crystal display chip mounter comprises a placing box, a transverse plate arranged above the placing box and two groups of fixing devices symmetrically arranged below the transverse plate, wherein each fixing device comprises a sleeve, a second spring is hinged in each sleeve, a group of circular shafts of which one ends extend out of the sleeves are movably arranged in each sleeve, a disc is constructed on the lower end face of each circular shaft, the lower end face of each disc is hinged with the corresponding second spring, and a vacuum chuck is fixedly arranged on the lower end face of each sleeve;

the utility model discloses a cleaning brush, including placing the case, the up end of placing the case sets up the recess that is the rectangle between two parties, and the cell wall both sides of recess are all movable and are provided with the threaded rod, screw-thread fit installs the mounting panel on the outer fringe face of threaded rod, clean brush is installed to the lower terminal surface of mounting panel.

Preferably, the one end fixed mounting of diaphragm has the motor, and has seted up a set of adjustment tank between two parties in the diaphragm, the motor is connected with the threaded spindle of a set of movable mounting in the adjustment tank through the motor shaft, screw-thread fit installs two sets of movable blocks on the outer fringe face of threaded spindle, and is two sets of the equal fixed mounting of lower terminal surface of movable block has electronic scaling rod, electronic scaling rod keeps away from the one end of movable block and the up end fixed connection of circle axle, and articulated being provided with between the one end that the movable block was kept away from to electronic scaling rod and the telescopic up end and establishing the damping spring outside the circle axle.

Preferably, the sliding grooves are formed in two sides of the upper end face of the placing box, a group of sliding shafts are fixedly mounted in the sliding grooves, sliding blocks are mounted on the outer edge faces of the sliding shafts in a sliding fit mode, the upper end faces of the sliding blocks extend out of the sliding grooves and are fixedly connected with vertical plates, and the upper portion of one side of each vertical plate is fixedly connected with the transverse plate.

Preferably, the upper end face of the placing box is provided with a rectangular groove, the bottom of the rectangular groove is centrally and fixedly provided with a group of bearing plates, and the upper end face of each bearing plate is provided with a group of placing plates.

Preferably, the four corners of the lower end face of the placing box are all welded with supporting legs, a butt plate is constructed on the lower end face of each supporting leg, and a first spring sleeved outside each supporting leg is hinged between the upper end face of each butt plate and the lower end face of the placing box.

The utility model discloses a technological effect and advantage: the vacuum chuck moving mechanism for the full-automatic chip mounter for the liquid crystal display has the advantages that due to the arrangement of the second spring, when the vacuum chuck abuts against the liquid crystal display by starting the electric telescopic rod, the disc can extrude the second spring arranged in the sleeve, so that the second spring is contracted to provide buffering, and the phenomenon that the internal devices of the liquid crystal display are damaged due to overlarge abutting force is avoided; benefit from the setting of mounting panel, the threaded rod can make the mounting panel remove when rotating, can make clean brush carry out synchronous motion when the mounting panel removes, realizes that clean brush cleans LCD surperficial whole, has effectively promoted the efficiency and the degree of automation that clean.

Drawings

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

fig. 2 is a schematic structural view of the fixing device of the present invention;

FIG. 3 is a cross-sectional view taken along line A-A of FIG. 2 in accordance with the present invention;

FIG. 4 is an enlarged schematic view of the structure shown at B in FIG. 1 according to the present invention;

fig. 5 is an enlarged schematic view of the structure at C in fig. 1 according to the present invention.

In the figure: the device comprises a placing box 1, a sliding groove 101, a supporting leg 2, a abutting disc 201, a first spring 202, a threaded rod 3, a mounting plate 301, a sliding shaft 4, a vertical plate 401, a horizontal plate 5, an adjusting groove 501, a motor 6, a threaded shaft 601, a movable block 602, an electric telescopic rod 7, a damping spring 701, a fixing device 8, a sleeve 9, a second spring 901, a circular shaft 10, a circular disc 1001, a vacuum sucker 11, a bearing plate 12 and a placing plate 1201.

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.

Unless defined otherwise, all references to up, down, left, right, front, back, inner and outer directions herein are to be interpreted as referring to up, down, left, right, front, back, inner and outer directions in the drawings to which the invention is applied, and all references are hereby incorporated herein by reference.

The utility model provides a vacuum chuck moving mechanism for a full-automatic chip mounter of a liquid crystal display as shown in figures 1-5, which comprises a placing box 1, a transverse plate 5 arranged above the placing box 1 and two groups of fixing devices 8 symmetrically arranged below the transverse plate 5, wherein each fixing device 8 comprises a sleeve 9, a second spring 901 is hinged in each sleeve 9, a group of round shafts 10 with one ends extending out of the sleeves 9 are movably arranged in each sleeve 9, a disc 1001 is constructed on the lower end surface of each round shaft 10, the lower end surface of each disc 1001 is hinged and connected with the corresponding second spring 901, a vacuum chuck 11 is fixedly arranged on the lower end surface of each sleeve 9, and due to the arrangement of the corresponding second spring 901, when the electric lifting and contracting rod 7 is started to enable the vacuum chuck 11 to abut against the liquid crystal display, the disc 1001 can extrude the second spring 901 arranged in each sleeve 9, so that the second spring 901 contracts to provide buffering, the damage of the internal devices of the liquid crystal display caused by overlarge abutting force is avoided;

the recess that is the rectangle is offered between two parties to the up end of placing case 1, and the equal activity in cell wall both sides of recess is provided with threaded rod 3 (during the concrete implementation, and threaded rod 3 that the cell wall both sides of recess set up all extends and places case 1, and two sets of 3 accessible belt pulley connections of threaded rod that extend and place case 1 to 3 syntropy rotations through two sets of threaded rods of driving motor drive), mounting panel 301 is installed to screw-thread fit on the outer fringe face of threaded rod 3, clean brush is installed to mounting panel 301's lower terminal surface, benefits from mounting panel 301's setting, can make mounting panel 301 remove when threaded rod 3 rotates, can make clean brush carry out synchronous motion when mounting panel 301 removes, realizes that clean brush cleans the whole on liquid crystal display surface, has effectively promoted cleaned efficiency and degree of automation.

Specifically, a motor 6 is fixedly mounted at one end of the transverse plate 5, a set of adjusting groove 501 is formed in the transverse plate 5 in the middle, the motor 6 is connected with a set of threaded shaft 601 movably mounted in the adjusting groove 501 through a motor shaft, two sets of movable blocks 602 are mounted on an outer edge surface of the threaded shaft 601 in a threaded fit manner, electric telescopic rods 7 are fixedly mounted on lower end surfaces of the two sets of movable blocks 602 (in specific implementation, the motor 6 can be started, so that the threaded shaft 601 rotates to drive the two sets of movable blocks 602 to move, positions of the two sets of fixing devices 8 are adjusted, and the electric telescopic rods are suitable for fixing liquid crystal displays with different widths), one end of each electric telescopic rod 7, far away from the corresponding movable block 602, is fixedly connected with an upper end surface of the corresponding round shaft 10, and a damping spring 701, which is sleeved outside the round shaft 10, is hinged between one end of each electric telescopic rod 7, far away from the corresponding movable block, the damper spring 701 may be deformed to provide further cushioning while the vacuum chuck 11 abuts the surface of the liquid crystal display).

Specifically, place the up end both sides of case 1 and all seted up sliding tray 101, fixed mounting has a set of sliding shaft 4 in sliding tray 101, sliding fit installs the sliding block on sliding shaft 4's the outer fringe face, and the up end of sliding block extends sliding tray 101 and fixedly connected with riser 401, one side top and the diaphragm 5 fixed connection of riser 401 (during concrete implementation, can promote riser 401 for riser 401 drives the sliding block and slides in sliding tray 101, has driven fixing device 8 simultaneously and has removed, realizes adjusting fixing device 8's position).

Specifically, a set of bearing plate 12 is fixedly placed in the middle of the bottom of a rectangular groove formed in the upper end face of the placing box 1, and a set of placing plate 1201 is arranged on the upper end face of the bearing plate 12 (in the specific implementation, a plurality of sets of third springs are hinged between the upper end face of the bearing plate 12 and the lower single face of the placing plate 1201, so that the liquid crystal display can be placed on the surface of the placing plate 1201, and when the vacuum chuck 11 abuts against the surface of the liquid crystal display, the third springs are also deformed to reduce the abutting force).

Specifically, the equal welded connection in lower terminal surface four corners of placing case 1 has supporting leg 2, the lower terminal surface structure of supporting leg 2 has butt dish 201, butt dish 201's up end and place articulated being provided with between the lower terminal surface of case 1 and establish the first spring 202 that establishes outside supporting leg 2.

The working principle of the vacuum chuck moving mechanism for the full-automatic liquid crystal display surface mounting machine is that when the vacuum chuck moving mechanism is used, a liquid crystal display screen to be subjected to surface mounting can be placed on the surface of a placing plate 1201, a threaded rod 3 can be rotated to drive a mounting plate 301 to move, the mounting plate 301 can be moved while a cleaning brush can be synchronously moved to realize the integral cleaning of the surface of the liquid crystal display by the cleaning brush, a vertical plate 401 can be pushed, the vertical plate 401 drives a sliding block to slide in a sliding groove 101, a fixing device 8 is driven to move at the same time, the position of the fixing device 8 is adjusted, a motor 6 is started, a threaded shaft 601 is rotated to drive two groups of movable blocks 602 to move, the positions of the two groups of fixing devices 8 are further adjusted, after the adjustment is completed, an electric telescopic rod 7 can be started, so that a vacuum chuck 11 is, disc 1001 can extrude the second spring 901 of installing in sleeve 9 when the butt for the second spring 901 shrink provides the buffering, and damping spring 701 can take place to deform simultaneously and provide further buffering, avoids the too big internal device that causes LCD of butt force to take place to damage, and this full-automatic chip mounter of LCD vacuum chuck moving mechanism, rational in infrastructure, provide the buffering when being convenient for vacuum chuck fixes LCD, is convenient for wholly clean LCD surface simultaneously, and the practicality is strong.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims

1. The utility model provides a full-automatic vacuum chuck moving mechanism for chip mounter of LCD, is placing diaphragm (5) and the symmetry setting of case (1) top and setting two sets of fixing device (8) in diaphragm (5) below including placing case (1), its characterized in that: the fixing device (8) comprises a sleeve (9), a second spring (901) is hinged in the sleeve (9), a group of circular shafts (10) with one ends extending out of the sleeve (9) are movably arranged in the sleeve (9), discs (1001) are constructed on the lower end faces of the circular shafts (10), the lower end faces of the discs (1001) are hinged with the second spring (901), and vacuum suckers (11) are fixedly mounted on the lower end faces of the sleeve (9);

the recess that is the rectangle is offered between two parties to the up end of placing case (1), and the equal activity of cell wall both sides of recess is provided with threaded rod (3), mounting panel (301) is installed to screw-thread fit on the outer fringe face of threaded rod (3), clean brush is installed to the lower terminal surface of mounting panel (301).

2. The vacuum chuck moving mechanism for the full-automatic LCD paster of claim 1 is characterized in that: one end fixed mounting of diaphragm (5) has motor (6), and has seted up a set of adjustment tank (501) between two parties in diaphragm (5), motor (6) are connected with threaded spindle (601) of a set of movable mounting in adjustment tank (501) through the motor shaft, screw-thread fit installs two sets of movable blocks (602) on the outer fringe face of threaded spindle (601), and is two sets of the equal fixed mounting of lower terminal surface of movable block (602) has electronic lifting and contracting pole (7), the one end that movable block (602) were kept away from in electronic lifting and contracting pole (7) and the up end fixed connection of circle axle (10), and articulated being provided with between the up end of the one end that movable block (602) was kept away from in electronic lifting and contracting pole (7) and sleeve (9) establish damping spring (701) outside circle axle (10).

3. The vacuum chuck moving mechanism for the full-automatic LCD paster of claim 1 is characterized in that: sliding grooves (101) have all been seted up to the up end both sides of placing case (1), fixed mounting has a set of sliding shaft (4) in sliding groove (101), sliding fit installs the sliding block on the outer fringe face of sliding shaft (4), and the up end of sliding block extends sliding groove (101) and fixedly connected with riser (401), one side top and diaphragm (5) fixed connection of riser (401).

4. The vacuum chuck moving mechanism for the full-automatic LCD paster of claim 1 is characterized in that: the upper end face of the placing box (1) is provided with a rectangular groove, the bottom of the rectangular groove is centrally and fixedly provided with a group of bearing plates (12), and the upper end face of each bearing plate (12) is provided with a group of placing plates (1201).

5. The vacuum chuck moving mechanism for the full-automatic LCD paster of claim 1 is characterized in that: the lower terminal surface four corners of placing case (1) all welded connection have supporting leg (2), the lower terminal surface structure of supporting leg (2) has butt dish (201), the articulated first spring (202) of establishing outside supporting leg (2) that is provided with the cover between the up end of butt dish (201) and the lower terminal surface of placing case (1).