CN215316866U

CN215316866U - Automatic screw screwing device for display panel

Info

Publication number: CN215316866U
Application number: CN202121555937.7U
Authority: CN
Inventors: 陈士波; 陈士钱; 周伟; 冯振忠
Original assignee: Suzhou Springfield Machinery Co ltd
Current assignee: Suzhou Springfield Machinery Co ltd
Priority date: 2021-07-09
Filing date: 2021-07-09
Publication date: 2021-12-28
Anticipated expiration: 2031-07-09

Abstract

The utility model discloses an automatic screw screwing device for a display panel, which comprises a rack and is characterized in that: the automatic screwing device is characterized in that a feeding frame is arranged at one end of the rack in the length direction, a discharging frame is arranged at the end, away from the feeding frame, of the rack, a conveying line penetrating the feeding frame and the discharging frame is arranged on the rack, a plurality of station frames fixed on the rack are arranged between the feeding frame and the discharging frame, each station frame is of a rectangular structure, a feeding assembly is arranged on each side edge of each station frame, each feeding assembly is fixed on the rack, and at least one screwing assembly is arranged on each side edge of each station frame. The utility model has the beneficial effects that: realize autoloading, material loading, direction calibration, automatic screw and automatic unloading of twisting, degree of automation is high, and work efficiency is high, reduces artifical and manual work volume, improves the productivity effect, improves the quality of display panel.

Description

Automatic screw screwing device for display panel

Technical Field

The utility model relates to the technical field of screw machines, in particular to an automatic screw screwing device for a display panel.

Background

The display comprises a mobile phone display, a computer display, a PAD display, a television display, a vehicle-mounted display screen and other digital displays, belongs to I/O equipment, namely output equipment, and is a display tool for displaying a certain electronic file on a screen through specific transmission equipment and then reflecting the electronic file to human eyes. In the manufacturing process of the display panel, screws need to be screwed on the side edges of the display panel to fix the display screen and the back shell together. Because some screws are very small in size, especially when the length of the screw thread part is not much different from the diameter of the screw head, the screw is automatically fed by the suction pipe, the screw is easy to turn over, the direction of the screw cannot be determined, some screws are downward possibly, the screw heads are downward possibly, the screw gun cannot smoothly screw the screw, and the working efficiency of screwing the screw is influenced. In addition, most of the conventional display panel screwing devices are single-sided screwing devices, and after screws are screwed on one side surface of the display panel, the display panel is rotated by 90 degrees by a rotary motor or a mechanical transport, and then the screws are screwed on the other side surface, so that the working efficiency is low.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to an automatic screwing device for a display panel, which solves the above problems.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a display panel is with automatic screw device of twisting, includes the frame, its characterized in that: the automatic feeding device comprises a rack, a plurality of station frames, a plurality of tightening assemblies and a plurality of conveying lines, wherein a feeding frame is arranged at one end of the rack in the length direction, a discharging frame is arranged at the end, far away from the feeding frame, of the rack, conveying lines penetrating the feeding frame and the discharging frame are arranged on the rack, a plurality of station frames fixed on the rack are arranged between the feeding frame and the discharging frame, each station frame is of a rectangular structure, each side edge of each station frame is provided with a feeding assembly, the feeding assemblies are fixed on the rack, and each side edge of each station frame is provided with at least one tightening assembly;

the conveying line comprises a motor and a conveying belt, the motor is fixed on the feeding frame, one end of the conveying belt is connected with the motor, the other end of the conveying belt is arranged on the discharging frame, two sides of the conveying belt along the conveying direction are respectively provided with a first linear guide rail, a plurality of conveying plates are connected onto the two first linear guide rails in a sliding mode and are connected with the conveying belt, a material lifting cylinder is arranged on each conveying plate, and a first supporting plate is connected onto each conveying plate;

the feeding assembly comprises a material box, a rotary cylinder is erected above the material box and connected with a feeding cylinder, and the feeding cylinder is connected with a first suction head.

Further preferably, the material loading frame is provided with two first panel supports which are symmetrically arranged and are respectively arranged at two sides of the conveying line, and the material unloading frame is provided with two second panel supports which are symmetrically arranged and are respectively arranged at two sides of the conveying line.

Further preferably, the middle of the station frame is provided with two third panel supports which are symmetrically arranged and are respectively arranged at two sides of the conveying line, the third panel supports are connected with panel fixing frames with rectangular structures, and the four corners of each panel fixing frame are provided with L-shaped angle plates.

Further preferably, four sides of station frame all are equipped with a plurality of material cylinders of pressing, press the vertical setting of material cylinder, its lower extreme tailpiece of the piston rod end is equipped with the clamp plate, the clamp plate is the type of falling T structural design.

It is further preferred, it contains first servo module to screw up the subassembly, first servo module is fixed in on the station frame, and is on a parallel with the side of the station frame of fixing, first servo module sliding connection has the servo module of the vertical second that sets up, sliding connection has the servo module of the third equal vertically of first servo module, second servo module on the servo module of second, third servo module sliding connection has the connecting plate, is fixed with third linear guide on it, be connected with screw gun and second suction head on the third linear guide.

Preferably, a second support plate is arranged between the screw gun and the third linear guide rail, a third support plate is arranged between the second suction head and the third linear guide rail, an adjusting screw rod is arranged at the end, far away from the third support plate, of the second support plate, a guide rod is arranged between the third support plate and the second support plate, and the third support plate is connected with the third linear guide rail in a sliding mode.

Further preferably, the end, close to the station frame, of the feeding frame is provided with a limiting assembly, the limiting assembly comprises a fixing plate vertically fixed on the feeding frame, a limiting cylinder vertically arranged is arranged on the lower side of the fixing plate, the limiting cylinder is connected with a limiting plate, the upper end of the limiting plate is designed in a U-shaped structure, and a second linear guide rail is arranged between the limiting plate and the fixing plate.

Preferably, the rack is provided with a housing covering the station rack, and a plurality of rollers arranged in a rectangular array are arranged below the rack.

Has the advantages that: according to the automatic screw screwing device for the display panel, the conveying and lifting of the display panel are realized through the conveying line, the display panel is pressed and fixed through the material pressing cylinder, and the screw screwing of the display panel by the screwing assembly is facilitated; the screw is taken out and reversed through the feeding assembly, the screw head of the screw is aligned to the screwing assembly, the thread part of the screw is aligned to the display panel, the direction alignment of the screw is realized, the feeding accuracy of the screw is ensured, and the screw screwing quality and the screw screwing efficiency are improved; the screws are simultaneously screwed on the four sides of the display panel through the feeding assembly and the screwing assembly, so that the screw mounting speed of the display panel is increased, and the screw screwing efficiency is improved; the device realizes autoloading, material loading, direction calibration, automatic screw and automatic unloading of twisting, and degree of automation is high, and work efficiency is high, reduces artifical and manual work volume, improves the productivity effect, improves the quality of display panel.

Drawings

Fig. 1 is a schematic axial view of an automatic screwing device for a display panel according to an embodiment of the present invention;

fig. 2 is a schematic front view of a cover of an automatic screwing device for a display panel according to an embodiment of the present invention;

FIG. 3 is a schematic structural diagram of a rack and a conveyor line according to an embodiment of the present invention;

FIG. 4 is a schematic structural diagram of a positioning assembly according to an embodiment of the present invention;

FIG. 5 is a schematic structural diagram of a workstation rack disclosed in an embodiment of the present invention;

fig. 6 is a schematic structural diagram of a feeding assembly and a tightening assembly disclosed in the embodiment of the present invention.

Reference numerals: 1-a frame, 11-a loading frame, 111-a first panel support, 12-a unloading frame, 121-a second panel support, 13-a housing, 14-a roller, 2-a conveying line, 21-a motor, 22-a conveying belt, 23-a first linear guide rail, 24-a conveying plate, 25-a lifting cylinder, 26-a first supporting plate, 3-a limiting component, 31-a fixing plate, 32-a limiting cylinder, 33-a limiting plate, 34-a second linear guide rail, 4-a station frame, 41-a third panel support, 42-a panel fixing frame, 43-a pressing cylinder, 431-a pressing plate, 5-a loading component, 51-a material box, 52-a rotating cylinder, 53-a loading cylinder, 54-a first suction head, 6-a screwing component, 61-first servo module, 62-second servo module, 63-third servo module, 64-connecting plate, 65-third linear guide, 66-second support plate, 67-third support plate, 68-screw gun, 69-second suction head.

Detailed Description

The following are specific embodiments of the present invention and are further described with reference to the drawings, but the present invention is not limited to these embodiments.

As shown in fig. 1-6, an automatic screw screwing device for a display panel comprises a frame 1, wherein a feeding frame 11 is arranged at one end of the frame 1 in the length direction, a discharging frame 12 is arranged at the end of the frame 1, which is far away from the feeding frame 11, a conveying line 2 penetrating the feeding frame 11 and the discharging frame 12 is arranged on the frame 1, a plurality of station frames 4 fixed on the frame 1 are arranged between the feeding frame 11 and the discharging frame 12, each station frame 4 is in a rectangular structure, a feeding assembly 5 is arranged on each side edge of each station frame, the feeding assemblies 5 are fixed on the frame 1, and at least one screwing assembly 6 is arranged on each side edge of each station frame 4;

the conveying line 2 comprises a motor 21 and a conveying belt 22, the motor 21 is fixed on the feeding frame 11, one end of the conveying belt 22 is connected with the motor 21, the other end of the conveying belt 22 is arranged on the discharging frame 12, two sides of the conveying belt 22 along the conveying direction are respectively provided with a first linear guide rail 23, a plurality of conveying plates 24 are connected onto the two first linear guide rails 23 in a sliding mode, the conveying plates 24 are connected with the conveying belt 22, and a material lifting cylinder 25 is arranged on each conveying plate 24 and connected with a first supporting plate 26;

the feeding assembly 5 comprises a material box 51, a rotary cylinder 52 is erected above the material box 51, the rotary cylinder 52 is connected with a feeding cylinder 53, and the feeding cylinder 53 is connected with a first suction head 54.

In this application, station frame 4 has two, can carry out the screw work of twisting of two display panels simultaneously, and the display panel conveys through the transfer chain, rotates through motor 21 drive conveyer belt 22, drives the conveying board 24 conveying rather than being connected, carries the display panel along direction of delivery. The display panel is jacked up from the first panel support 111 through the material lifting cylinder 25, when the display panel is conveyed to the station frame 4, the material lifting cylinder 25 places the display panel on the first support plate 26 on the panel fixing frame 42, and the display panel is pressed and fixed through the material pressing cylinder 43, so that the screw screwing of the display panel by the screwing assembly 6 is facilitated. Realize taking out, the switching-over of screw through material loading subassembly 5, guarantee that the screw head of screw aims at screws up subassembly 6, the screw portion of screw aims at the display panel, realizes the alignment of the direction of screw, guarantees that the material loading of screw is accurate, improves and screws up screw quality and screws up screw efficiency. Every side of station frame all is equipped with material loading subassembly 5 and screws up subassembly 6, can twist the screw action simultaneously to four sides of display panel, and the screw installation rate of display panel is fast, and is efficient. In this application, twist screw device and realize autoloading, material loading, direction calibration, twist the screw automatically and automatic unloading, degree of automation is high, and work efficiency is high, reduces artifical and manual work volume, improves the productivity effect, improves display panel's quality.

Preferably, the feeding frame 11 is provided with two first panel brackets 111 which are symmetrically arranged, are respectively arranged at two sides of the conveying line 2, and are used for placing the display panels during feeding; the blanking frame 12 is provided with two second panel brackets 121 which are symmetrically arranged and are respectively arranged at two sides of the conveying line 2, and the second panel brackets are used for placing a display panel during blanking so as to be convenient for moving the display panel away.

Preferably, the middle of the station frame 4 is provided with two third panel supports 41 which are symmetrically arranged and are respectively arranged at two sides of the conveying line 2, the two third panel supports 41 are connected with panel fixing frames 42 which are of rectangular structures, and four corners of the panel fixing frames 42 are provided with L-shaped angle plates.

In this application, panel mount 42 is used for placing of display panel, and the scute in its four corners is used for display panel's location, guarantees that display panel places the position accuracy, and can not take place lateral shifting.

Preferably, four sides of station frame 4 all are equipped with a plurality of material cylinders 43 of pressing, press the vertical setting of material cylinders 43, and its lower extreme tailpiece of the piston rod end is equipped with clamp plate 431, and clamp plate 431 is the type of falling T structural design.

In the application, the material pressing cylinders 43 are used for pressing the display panel to fix the display panel on the panel fixing frame 42, and the plurality of material pressing cylinders 43 can ensure that the display panel cannot move, ensure that the display panel is fixed stably and the edge is stressed uniformly; due to the structural design of the pressure plate 431, the stress area is increased, the firmness of the display panel is enhanced, and the pressure plate 431 can be prevented from being crushed.

Preferably, the tightening assembly 6 comprises a first servo module 61, the first servo module 61 is fixed on the station frame 4 and is parallel to the side of the fixed station frame 4, the first servo module 61 is slidably connected with a vertically arranged second servo module 62, the second servo module 62 is slidably connected with a third servo module 63 which is perpendicular to the first servo module 61 and the second servo module 62, the third servo module 63 is slidably connected with a connecting plate 64, a third linear guide 65 is fixed on the connecting plate, and a screw gun 68 and a second suction head 69 are connected on the third linear guide 65.

In this application, realize the triaxial displacement of screw rifle 68 through first servo module 61, second servo module 62 and third servo module 63, guarantee that a plurality of screw holes homoenergetic on the display panel realize twisting the screw, wherein, second suction head 69 is used for holding the screw that first suction head 54 sent, guarantees that the direction of screw before screwing up is accurate.

Preferably, a second support plate 66 is arranged between the screw gun 68 and the third linear guide 65, a third support plate 67 is arranged between the second suction head 69 and the third linear guide 65, an adjusting screw rod is arranged at the end of the second support plate 66 far away from the third support plate 67, a guide rod is arranged between the third support plate 67 and the second support plate 66, and the third support plate 67 is connected with the third linear guide 65 in a sliding manner.

In the present application, the second supporting plate 66 is used for fixing the screw gun 68, and the adjustment and fixation of the position thereof are realized by the adjusting screw, and the third supporting plate 67 is used for fixing the second suction head 69, which can slide along the third linear guide 65 to realize the screwing action, wherein the guiding rod is used for the auxiliary guiding of the sliding of the third supporting plate 67, so as to ensure the smooth sliding of the third supporting plate 67 on the third linear guide 65.

Preferably, the material loading frame 11 is close to 4 ends of station frame and is equipped with spacing subassembly 3, and spacing subassembly 3 contains the vertical fixed plate 31 that is fixed in on the material loading frame 11, and the downside of fixed plate 31 is equipped with the spacing cylinder 32 of vertical setting, and spacing cylinder 32 is connected with limiting plate 33, and the upper end of limiting plate 33 is U-shaped structural design, is equipped with second linear guide 34 between limiting plate 33 and the fixed plate 31.

In this application, spacing subassembly 3 is used for the location of display panel position on last work or material rest 11, guarantees that the display panel places the position accuracy, rises through spacing cylinder 32 drive limiting plate 33, makes the high position on its top exceed the high position of first panel support 111, guarantees the display panel spacing and the location of position on last work or material rest 11.

Preferably, the frame 1 is provided with a cover 13 covering the station frame 4, so as to play a role of safety protection; a plurality of rollers 14 arranged in a rectangular array are arranged below the frame 1, so that the position of the frame 1 can be moved conveniently.

In this application, be equipped with vibration dish and screw locating hole in the magazine 51, last the material loading through the vibration dish, carry the screw to the screw locating hole in, guarantee the screw portion of screw at last, screw head placing under.

In this application, the display panel is with automatic workflow of twisting screw device:

1) the limiting cylinder 32 of the limiting assembly 3 drives the limiting plate 33 to ascend to a set position, the display panel is placed on the first panel support 111, the right end of the display panel abuts against the limiting plate 33, and then the limiting cylinder 32 drives the limiting plate 33 to descend below the first panel support 111;

2) the material lifting cylinder 25 of the conveying line 2 ascends to drive the first supporting plate 26 to lift up to jack up the display panel, so that the display panel is separated from the first panel support 111, then the display panel is conveyed to the station frame 4 under the action of the motor 21 and the conveying belt 22, and after the display panel reaches the position of the station frame 4, the material lifting cylinder 25 descends to place the display panel on the panel fixing frame 42;

3) the material pressing cylinder 43 acts to drive the pressing plate 431 to descend and press the upper side face of the display panel;

4) the feeding assembly 5 acts, the rotary air cylinder 52 drives the feeding air cylinder 53 to rotate, the first suction head 54 connected with the rotary air cylinder is enabled to be vertically downward, then the feeding air cylinder 53 acts to drive the first suction head 54 to descend, screws provided in the material box 51 are sucked, the feeding air cylinder 53 retracts, the rotary air cylinder 52 drives the feeding air cylinder 53 to rotate, and the first suction head 54 and the screws sucked by the rotary air cylinder are enabled to be in a horizontal state;

5) the tightening component 6 acts, the first servo module 61, the second servo module 62 and the third servo module 63 act synchronously, the second suction head 69 is moved to the opposite side of the first suction head 54, then the second suction head 69 sucks the screw sucked on the first suction head 54, at the moment, the screw head of the screw is aligned with the screw gun 68, finally the first servo module 61, the second servo module 62 and the third servo module 63 act synchronously, the second suction head is aligned with the threaded hole on the display panel, and the screw gun 68 rotates to screw the screw into the threaded hole;

6) and 5) repeating the steps 5) and 6), screwing screws on all parts needing screwing on the display panel, retracting the pressing cylinder 43, lifting the pressing plate 431, lifting the material lifting cylinder 25, jacking the display panel after screwing, conveying the display panel to the position of the blanking frame 12 along with the conveying belt 22, retracting the material lifting cylinder 25, and placing the display panel on the second panel support 121.

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 changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the utility model. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention shall be included in the contents of the present invention within the scope of the protection of the present invention.

Claims

1. The utility model provides a display panel is with automatic screw device of twisting, includes frame (1), its characterized in that: a feeding frame (11) is arranged at one end of the rack (1) in the length direction, a discharging frame (12) is arranged at the end, far away from the feeding frame (11), of the rack (1), a conveying line (2) penetrating through the feeding frame (11) and the discharging frame (12) is arranged on the rack (1), a plurality of station frames (4) fixed on the rack (1) are arranged between the feeding frame (11) and the discharging frame (12), each station frame (4) is of a rectangular structure, a feeding assembly (5) is arranged on each side edge of each station frame, each feeding assembly (5) is fixed on the rack (1), and at least one tightening assembly (6) is arranged on each side edge of each station frame (4);

the conveying line (2) comprises a motor (21) and a conveying belt (22), the motor (21) is fixed on the feeding frame (11), one end of the conveying belt (22) is connected with the motor (21), the other end of the conveying belt is arranged on the discharging frame (12), two sides of the conveying belt (22) along the conveying direction are respectively provided with a first linear guide rail (23), a plurality of conveying plates (24) are connected onto the two first linear guide rails (23) in a sliding mode, the conveying plates (24) are connected with the conveying belt (22), and the conveying plates (24) are provided with material lifting cylinders (25) which are connected with first supporting plates (26);

the feeding assembly (5) comprises a material box (51), a rotary cylinder (52) is erected above the material box (51), the rotary cylinder (52) is connected with a feeding cylinder (53), and the feeding cylinder (53) is connected with a first suction head (54).

2. The automatic screwing device for display panel according to claim 1, wherein: go up first panel support (111) that the work or material rest (11) was equipped with two symmetries and set up, its branch locates the both sides of transfer chain (2), be equipped with second panel support (121) that two symmetries set up on work or material rest (12) down, its branch locates the both sides of transfer chain (2).

3. The automatic screwing device for display panel according to claim 1, wherein: the middle of station frame (4) is equipped with third panel support (41) that two symmetries set up, and the both sides of transfer chain (2) are located to its branch, two be connected with panel mount (42) of rectangle structure on third panel support (41), the four corners of panel mount (42) all is equipped with L type scute.

4. The automatic screwing device for display panel according to claim 1, wherein: four sides of station frame (4) all are equipped with a plurality of material pressing cylinders (43), material pressing cylinders (43) vertical setting, its lower extreme tailpiece of the piston rod end is equipped with clamp plate (431), clamp plate (431) are the type of falling T structural design.

5. The automatic screwing device for display panel according to claim 1, wherein: screw up subassembly (6) and contain first servo module (61), on first servo module (61) was fixed in station frame (4), and was on a parallel with the side of fixed station frame (4), first servo module (61) sliding connection has the servo module of vertical second (62) that sets up, sliding connection has the servo module of third (63) with first servo module (61), the equal vertically of servo module of second (62) on second servo module (62), third servo module (63) sliding connection has connecting plate (64), is fixed with third linear guide (65) on it, be connected with screw rifle (68) and second suction head (69) on third linear guide (65).

6. The automatic screwing device for display panel according to claim 5, wherein: be equipped with second backup pad (66) between screw rifle (68) and third linear guide (65), be equipped with third backup pad (67) between second suction head (69) and third linear guide (65), keep away from third backup pad (67) end and be equipped with adjusting screw in second backup pad (66), be equipped with the guide bar between third backup pad (67) and second backup pad (66), third backup pad (67) and third linear guide (65) sliding connection.

7. The automatic screwing device for display panel according to claim 1, wherein: go up work or material rest (11) and be close to station frame (4) end and be equipped with spacing subassembly (3), spacing subassembly (3) contain vertical fixed plate (31) on being fixed in work or material rest (11), the downside of fixed plate (31) is equipped with spacing cylinder (32) of vertical setting, spacing cylinder (32) are connected with limiting plate (33), the upper end of limiting plate (33) is U-shaped structural design, be equipped with second linear guide (34) between limiting plate (33) and fixed plate (31).

8. The automatic screwing device for display panel according to claim 1, wherein: the automatic positioning device is characterized in that a housing (13) covering the station frame (4) is arranged on the rack (1), and a plurality of rollers (14) arranged in a rectangular array are arranged below the rack (1).