CN116604930A

CN116604930A - Full-automatic surface printing equipment for switch panel

Info

Publication number: CN116604930A
Application number: CN202310593954.7A
Authority: CN
Inventors: 邵景业; 郑闻超
Original assignee: Taili Anhui Electric Appliance Co ltd
Current assignee: Taili Anhui Electric Appliance Co ltd
Priority date: 2023-05-25
Filing date: 2023-05-25
Publication date: 2023-08-18

Abstract

The utility model relates to the technical field of switch panel processing equipment, and particularly discloses full-automatic surface printing equipment for a switch panel, which comprises a case, a printing mechanism and a control box, wherein a closed-loop conveying device is arranged on the case, a linkage jig is connected to the closed-loop conveying device at equal intervals, a guide roller groove with the same moving track as the linkage jig is formed in the upper surface of the case, a feeding device and a discharging device are respectively arranged at a feeding station and a discharging station of the case, an electromagnet is arranged on the upper surface of the case at the feeding station and the discharging station, and the printing mechanism is arranged on the upper surface of the case and is opposite to the printing station; the full-automatic surface printing equipment for the switch panel disclosed by the utility model realizes the whole-course automation of feeding, printing and discharging in the printing process of the switch panel, reduces the labor capacity of operators, improves the printing efficiency of the switch panel, and simultaneously ensures the accurate positioning of the linkage jig, thereby ensuring the smooth proceeding of the subsequent printing, feeding and discharging processes.

Description

Full-automatic surface printing equipment for switch panel

Technical Field

The utility model relates to the technical field of switch panel processing equipment, and particularly discloses full-automatic surface printing equipment for a switch panel.

Background

The switch panel is a common circuit control device, and the main structure of the switch panel is composed of an external plastic shell, an internal power supply board and various metal conductive pieces. During the creation of the switch panel, the manufacturer often needs to print a corresponding logo or manufacturer's trademark on the surface of the outer plastic housing.

The existing printing equipment for the switch panel mainly comprises semi-automatic printing equipment, an operator places a plastic shell of the switch panel in a jig in the process of printing the switch panel, then clamps and fixes the plastic shell by using a clamping cylinder in the jig, then starts a printing device to print a layer of UV paint on the surface of the plastic shell through a button or a foot switch, and takes down the plastic shell after the paint is dried.

For example, the patent application number CN2020229087201 discloses a general semi-automatic printer, which comprises a frame, a sliding guide rail, a printing stock jig, a driving device, a printing device, a vision device and a control display, wherein the driving device is arranged at the bottom of the printing stock jig to drive the printing stock jig to reciprocate along the sliding guide rail, the printing device is positioned above a printing area, the vision device and the control display are positioned above an upper blanking area, and a signal input end of the control display is electrically connected with the vision device. The semi-automatic printing machine disclosed by the utility model is common equipment for printing the switch panel at present, and has the advantages of simple structure, small volume, low manufacturing cost and the like, but the printing efficiency of the switch panel is low, and the printing process of the switch panel is high in labor cost because the feeding and discharging are needed to be carried out manually. Therefore, the utility model provides full-automatic surface printing equipment for a switch panel, which can effectively solve the technical problems, aiming at the defects existing in the printing process of the switch panel by the conventional general type semi-automatic printing machine.

Disclosure of Invention

The utility model aims at providing full-automatic surface printing equipment for a switch panel, which aims to solve the problems of low working efficiency, high labor intensity and the like when the traditional semiautomatic printing machine is used for printing the surface of the switch panel.

The utility model is realized by the following technical scheme:

the full-automatic surface printing equipment for the switch panel comprises a case, a printing mechanism and a control box, wherein a closed-loop conveying device is arranged on the upper surface of the case, a plurality of linkage jigs are connected to the closed-loop conveying device at equal intervals, guide roller grooves with the same moving track as the linkage jigs are formed in the upper surface of the case, a feeding device and a discharging device are respectively arranged at a feeding station and a discharging station of the case, an electromagnet is arranged on the upper surface of the case at the feeding station and the discharging station, and the printing mechanism is arranged on the upper surface of the case and is opposite to the printing station;

the linkage jig comprises a base, two movable clamping plates and rollers, wherein the rollers are connected to the lower surface of the base and extend into guide roller grooves, moving rods perpendicular to the guide roller grooves are arranged in the inner cavities of the base through first spring insertion, one ends of the moving rods are connected with trapezoidal blocks, the other ends of the moving rods extend out of the inner cavities of the base and are connected with magnetic attraction blocks acting with electromagnets, extrusion pushing blocks which are abutted to the trapezoidal blocks are arranged in the inner cavities of the bases on two sides of the moving rods, limit strip-shaped openings perpendicular to the moving rods are formed in the upper surfaces of the bases above the extrusion pushing blocks, connecting blocks are arranged in the limit strip-shaped openings, and the upper ends and the lower ends of the connecting blocks are connected with the movable clamping plates and the extrusion pushing blocks respectively.

As a further setting of above-mentioned scheme, be located be provided with the gyro wheel installed part in the direction gyro wheel groove of printing station department, the both ends of gyro wheel installed part all are provided with location butt wheel, the back of gyro wheel installed part is connected with the direction slide bar, the tip of direction slide bar has pressure sensor through the second spring coupling, and pressure sensor and control box electric connection.

As a specific setting of the scheme, the closed-loop type conveying device comprises a plurality of driving wheels arranged on the upper surface of the chassis, the end part of one driving wheel is connected with a servo motor, a closed-loop type driving part is arranged between the plurality of driving wheels, and a connecting part connected with the closed-loop type driving part is arranged on the linkage jig.

As a specific arrangement of the scheme, the closed-loop transmission part is one of a belt or a chain, and the driving wheel is one of a belt pulley and a chain wheel.

As the specific setting of above-mentioned scheme, loading attachment and unloader all include belt drive seat, be provided with driving belt in the belt drive seat, be provided with on the belt drive seat and grab the blowing mechanism.

As the concrete setting of above-mentioned scheme, grab blowing mechanism is including fixing the track groove on belt drive seat lateral wall, be provided with the movable block in the track groove, and the side in track groove is provided with the first cylinder that is connected with the movable block, be connected with the support on the movable block, and the top of support is provided with the second cylinder, the lower extreme of second cylinder is connected with the sucking disc that is located directly over the driving belt.

As the specific setting of above-mentioned scheme, print mechanism is including fixing the printing seat at quick-witted case upper surface, be connected with the swing arm through step motor in the printing seat, the end connection of swing arm has the printing plate, and the printing plate is located linkage tool circulation movement track directly over, install the third cylinder on the swing arm, the expansion end of third cylinder is connected with the scraper blade that stretches into in the printing plate.

As a specific setting of the scheme, the trapezoid block is isosceles trapezoid in shape, and the side end of the extrusion pushing block is provided with an inclined plane matched with the trapezoid block.

In the running process of the full-automatic surface printing equipment for the switch panel, all linkage jigs on the equipment pass through a feeding station one by utilizing a closed-loop conveying device, when the linkage jigs are arranged at the feeding station by utilizing the structural design of the linkage jigs, two movable clamping plates on the linkage jigs are opened by utilizing the adsorption effect of an electromagnet, then the switch panel is grabbed by the feeding device and put into the movable clamping plates, and then the switch panel can be clamped and fixed by the two movable clamping plates by withdrawing the electromagnetic adsorption force.

Subsequently, when the linkage jig clamped with the switch panel moves to the printing station, the position of the linkage jig is accurately detected by utilizing a specially designed position detection assembly (namely, a roller mounting piece, a positioning abutting wheel, a guide sliding rod, a second spring and a pressure sensor), the linkage jig is accurately positioned by utilizing the action of the two positioning abutting wheels, and then surface printing is performed.

The switch panel after printing is moved to the blanking station, the clamping action on the switch panel is withdrawn again through the action of the electromagnet, and the switch panel is grabbed by the blanking device and is placed on the transmission belt to be sent out. The automatic feeding, printing and discharging of the switch panel are realized in the whole automatic printing process, and the switch panel can be accurately positioned during each printing, so that the printing effect is greatly improved.

Advantageous effects

The full-automatic surface printing equipment for the switch panel disclosed by the utility model realizes the whole-course automation of feeding, printing and discharging in the printing process of the switch panel, thereby not only effectively reducing the labor capacity of operators, but also greatly improving the printing efficiency of the switch panel.

According to the printing equipment disclosed by the utility model, through the special design of the linkage jig, the linkage jig can clamp and fix the switch panel in the whole process of conveying along with the closed-loop conveying device, and the clamping action of the two movable clamping plates can be withdrawn by utilizing the action of the electromagnet when the linkage jig moves to the feeding and discharging stations, so that the feeding and discharging processes of the switch panel are facilitated; the whole linkage jig can realize the automatic clamping and loosening process of the switch panel without setting a corresponding driving piece, and has novel structural design and excellent use effect matched with the closed-loop conveying device.

The utility model further aims at the accurate positioning of the linkage jig in the moving and stopping state switching process, abandons the mode of positioning detection of the traditional sensor, utilizes the extrusion action of the roller piece on the linkage jig and the positioning abutting wheels to carry out position judgment, and utilizes the action of the spring and the two abutting wheels to extrude and fix the linkage jig in the closed-loop transmission part stopping operation process, thereby avoiding the deviation caused by the inertia action when the linkage jig stops, effectively ensuring the accurate positioning of the linkage jig and further ensuring the smooth proceeding of the follow-up printing and feeding and discharging processes.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed for the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic perspective view of the present utility model;

FIG. 2 is a schematic diagram of a three-dimensional structure of a chassis, a closed-loop conveying device, a linkage jig, and the like in the utility model;

FIG. 3 is a schematic perspective view of a linkage fixture according to the present utility model;

FIG. 4 is a partial perspective cross-sectional view of the linkage jig of the present utility model;

FIG. 5 is a schematic view of a three-dimensional structure of a trapezoid block, an extrusion pushing block, a moving rod and the like in the linkage jig;

FIG. 6 is a schematic diagram of a three-dimensional structure of a feeding device or a discharging device according to the present utility model;

FIG. 7 is a schematic perspective view of a printing mechanism according to the present utility model;

fig. 8 is a schematic perspective view of a roller mounting member, a positioning abutment wheel, a pressure sensor, and the like in embodiment 2 of the present utility model.

Detailed Description

In order that those skilled in the art will better understand the present utility model, a technical solution in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in which it is apparent that the described embodiments are only some embodiments of the present utility model, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the present utility model without making any inventive effort, shall fall within the scope of the present utility model.

It should be noted that, without conflict, the embodiments of the present utility model and features of the embodiments may be combined with each other. The present utility model will be described in detail with reference to fig. 1 to 8, and examples.

Example 1

Embodiment 1 discloses full-automatic surface printing equipment of switch panel, referring to fig. 1 and 2, the main body of the printing equipment comprises a chassis 100, a feeding device 200, a discharging device 300, a closed-loop conveying device 400, a printing mechanism 500, a plurality of linkage jigs 600 and a control box 700. The lower surface of the cabinet 100 is provided with a plurality of legs 101 to stably support the cabinet 100 and fixedly mount the control cabinet 700 on the front side of the cabinet 100.

The closed loop type conveying device 400 comprises a plurality of driving wheels 401 arranged on the upper surface of the case 100, and a servo motor (not shown in the figure) connected with one of the driving wheels 401 is arranged inside the case 100. Then, a closed-loop transmission member 402 is arranged among the plurality of transmission wheels 401, the specific closed-loop transmission member 402 can be a belt or a chain, when the belt is selected, the transmission wheel 401 is a belt pulley, and when the chain is selected, the transmission wheel 401 is a chain wheel. The upper surface of the chassis 100 outside the closed-loop transmission member 402 is provided with guide roller grooves 102 with the same track as the guide roller grooves, and then a plurality of linkage jigs 600 are connected to the closed-loop transmission member 402 at equal intervals, and the linkage jigs 600 perform circulating motion along the direction of the guide roller grooves 102.

Referring to fig. 3, 4 and 5, the linkage jig 600 includes a base 601, a connection member 602 connected to a closed-loop transmission member 402 is provided at an inner side end of the base 601, and a roller member 603 matched with the guide roller groove 102 is provided at a lower surface of the base 601. A moving rod 604 is inserted into the inner cavity of the base 601, and the moving rod 604 is disposed perpendicular to the track of the guide roller groove 102. A trapezoidal block 605 is connected to the inner end of the moving rod 604, the trapezoidal block 605 is isosceles trapezoid, and a first spring 606 is provided between the trapezoidal block 605 and the inner wall of the base 601. Then, a magnetic attraction block 607 is connected to the outer end of the movable rod 604 extending out of the side wall of the base 601, and the magnetic attraction block 607 can be one of a magnet or an iron block. Two extrusion pushing blocks 608 are arranged in the inner cavities of the base 601 at two sides of the moving rod 604, and one end of each extrusion pushing block 608 is provided with an inclined plane matched with the trapezoid block 605. Two sides of the upper surface of the base 601 are respectively provided with a limit bar-shaped opening 6011 corresponding to the two extrusion pushing blocks 608, and the limit bar-shaped opening 6011 is perpendicular to the moving rod 604. A connection block 609 is provided in each limit bar-shaped opening 6011, the lower end of the connection block 609 is fixedly connected with the extrusion pushing block 608, the upper end of the connection block is connected with a movable clamping plate 610, and then a limit baffle 611 is fixedly connected to the inner side of the upper surface of the base 601 between the two movable clamping plates 610.

In this embodiment, the linkage fixture 600 can make the moving rod 604 move perpendicular to the direction of the guide roller groove 102 through magnetic attraction force, and then make the trapezoid block 605 overcome the acting force of the first spring 606 through the action of the moving rod 604 and squeeze the two squeezing pushing blocks 608 at the same time, so that the two squeezing pushing blocks 608 move back to back, at this time, the distance between the two movable clamping plates 610 is increased, then the control panel to be printed can be placed into the two movable clamping plates 610, the inner ends of the two movable clamping plates 610 are limited through the limiting baffle 611, and then the magnetic acting force is withdrawn, so that the two movable clamping plates 610 are close to each other under the action of the first spring 606, and then the control panel is fixedly clamped between the two movable clamping plates 610 and the limiting baffle 611.

Referring to fig. 1 and 2, the feeding device 200 and the discharging device 300 have the same structure, are respectively and fixedly arranged at different stations on the side surface of the chassis 100, and the upper surfaces of the chassis 100 at the stations of the feeding device 200 and the discharging device 300 are respectively provided with an electromagnet 103, when the linkage jig 600 moves to the station of the feeding device 200 or the discharging device 300, a magnetic field can be generated by introducing current into the electromagnet 103, and then the linkage jig 600 can be in an open state under the action of the magnetic field, so that feeding or discharging can be performed.

The specific structure of the feeding device 200 and the discharging device 300 refer to fig. 6, both of which include a belt transmission seat 201 and a supporting foot plate 202, the belt transmission seat 201 is fixedly connected with the upper end of the supporting foot plate 202, and a transmission belt 203 is arranged inside the belt transmission seat 201. Meanwhile, a track groove 204 is fixedly arranged on the side wall of the belt transmission seat 201 near one side of the chassis 100, a first air cylinder 205 is arranged at the outer side end of the track groove 204, a moving block 206 connected with the first air cylinder 205 is arranged in the track groove 204, a support 207 is fixedly connected to the moving block 206, then a second air cylinder 208 is fixedly arranged at the upper end part of the support 207, and a sucker 209 positioned right above the transmission belt 203 is connected to the lower end of a piston rod of the second air cylinder 208. When the feeding device 200 and the discharging device 300 are operated, the sucker 209 is attached to the upper surface of the control panel through the action of the second cylinder 208 to adsorb and fix the sucker, and then the whole bracket 207 is pushed through the action of the first cylinder 205, so that the position of the control panel between the linkage jig 600 and the driving belt 203 is switched.

Finally, referring to fig. 2 and 7, the printing mechanism 500 is fixedly installed on the upper surface of the cabinet 100, and the specific printing mechanism 500 is a prior art, and includes a printing base 501, a swing arm 502 rotatably installed in the printing base 501, and a stepping motor 503 for driving the swing arm 502 to adjust an angle is provided at a side end of the printing base 501. A printing plate 504 is connected to the front end of the swing arm 502, and the printing plate 504 is positioned directly above the circulating movement path of the linkage jig 600. A squeegee 505 is provided at an upper end of the printing plate 504, and a third cylinder 506 for driving the squeegee 505 to move on an upper surface of the printing plate 504 is fixedly mounted on the swing arm 502.

In the operation process of the full-automatic surface printing device for the switch panel disclosed in this embodiment, when the linkage jig 600 moves to the station of the feeding device 200, the electromagnet 103 is started to generate the attraction force to the magnetic attraction block 607 in the linkage jig 600, so that the moving rod 604 moves towards the electromagnet 103. During the movement of the moving rod 604, the two movable clamping plates 610 are moved in opposite directions by the force of the trapezoidal block 605 to the two side pressing pushing blocks 608. At this time, a switch panel is automatically grabbed by the feeding device 200 and placed between the two movable clamping plates 610, and the current flowing into the electromagnet 103 is cut off, at this time, the acting force of the electromagnet 103 on the linkage jig 600 disappears, and then the linkage jig 600 is reset under the action of the first spring 606, so that the two movable clamping plates 610 clamp and fix the switch panel.

Then, the linkage jig 600 with the switch panel clamped is conveyed to the station of the printing mechanism 500 under the action of the closed-loop conveying device 400, the printing mechanism 500 is restarted to print a mark or the upper surface of a manufacturer on the upper surface of the linkage jig, the switch panel after printing is finally moved to the station of the blanking device 300 along with the closed-loop conveying device 400, the electromagnet 103 at the station of the blanking device 300 is restarted to enable the two movable clamping plates 610 on the linkage jig 600 to be opened, and then the switch panel is automatically blanked through the blanking device 300.

Example 2

Embodiment 2 discloses a full-automatic surface printing device for a switch panel, which is designed based on the technical scheme in embodiment 1, and this embodiment 2 is designed for how to improve the position accuracy control of the closed-loop conveying device 400 when conveying the linkage jig 600 each time.

The point of the embodiment 2 that is the same as that of the embodiment 1 will not be described again, and the difference is that referring to fig. 1 and 8, the embodiment 2 further has a pressure sensor 8 fixedly mounted on the chassis 100 at the station of the printing mechanism 500, a roller mounting member 801 is disposed in the guide roller groove 102 directly below the station of the printing mechanism 500, and two positioning abutting wheels 802 are rotatably connected to both ends of the roller mounting member 801. Meanwhile, a guide slide bar 803 is connected to the back surface of the roller mounting member 801, and a second spring 804 is provided between the outer end of the guide slide bar 803 and the pressure sensor 8. In addition, the pressure sensor 8 in the present embodiment is also electrically connected to a control module inside the control box 700.

Through the above design in embodiment 2, when the closed-loop conveying device 400 drives the linkage jig 600 to convey along the guiding roller groove 102, the roller member 603 on the linkage jig 600 will firstly abut against the positioning abutment wheel 802 on one side in the process of moving the linkage jig 600 to the station of the printing mechanism 500, at this time, the second spring 804 is compressed, the pressure sensor 8 conveys the detected signal to the control box 700, and the control box 700 will send out a command to stop the rotation of the servo motor. When the servo motor stops driving the closed-loop transmission part 402, the closed-loop transmission part 402 has certain inertia, so that the linkage jig 600 continues to move for a small distance, at the moment, the roller part 603 on the linkage jig 600 rolls over the positioning abutting wheel 802 and enters between the two positioning abutting wheels 802, and at the moment, the second spring 804 resets and pushes out the whole body under the action of the second spring 804, so that the roller part 603 on the linkage jig 600 can be clamped between the two roller parts 603, thereby realizing the accurate positioning of the linkage jig 600 and effectively ensuring the accurate printing, feeding and discharging processes.

The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the utility model.

Claims

1. The full-automatic surface printing equipment for the switch panel comprises a case, a printing mechanism and a control box and is characterized in that a closed-loop conveying device is arranged on the upper surface of the case, a plurality of linkage jigs are connected to the closed-loop conveying device at equal intervals, guide roller grooves with the same moving track as the linkage jigs are formed in the upper surface of the case, a feeding device and a discharging device are respectively arranged at a feeding station and a discharging station of the case, an electromagnet is arranged on the upper surface of the case at the feeding station and the discharging station, and the printing mechanism is arranged on the upper surface of the case and faces the printing station;

2. The full-automatic surface printing device for the switch panel according to claim 1, wherein a roller mounting piece is arranged in a guide roller groove at the printing station, positioning abutting wheels are arranged at two ends of the roller mounting piece, a guide sliding rod is connected to the back of the roller mounting piece, a pressure sensor is connected to the end of the guide sliding rod through a second spring, and the pressure sensor is electrically connected with the control box.

3. The full-automatic surface printing equipment for the switch panel according to claim 1, wherein the closed-loop conveying device comprises a plurality of driving wheels arranged on the upper surface of the case, the end part of one driving wheel is connected with a servo motor, a closed-loop driving part is arranged between the plurality of driving wheels, and a connecting part connected with the closed-loop driving part is arranged on the linkage jig.

4. A full-automatic surface printing apparatus for a switch panel according to claim 3, wherein the closed-loop transmission member is one of a belt or a chain, and the driving wheel is one of a pulley or a sprocket.

5. The full-automatic surface printing device for the switch panel according to claim 1, wherein the feeding device and the discharging device comprise belt transmission seats, a transmission belt is arranged in each belt transmission seat, and a grabbing and discharging mechanism is arranged on each belt transmission seat.

6. The full-automatic surface printing device for the switch panel according to claim 5, wherein the grabbing and discharging mechanism comprises a track groove fixed on the side wall of the belt transmission seat, a moving block is arranged in the track groove, a first air cylinder connected with the moving block is arranged at the side end of the track groove, a support is connected to the moving block, a second air cylinder is arranged at the top end of the support, and a sucking disc positioned right above the transmission belt is connected to the lower end of the second air cylinder.

7. The full-automatic surface printing device for the switch panel according to claim 1, wherein the printing mechanism comprises a printing seat fixed on the upper surface of the chassis, a swinging arm is connected in the printing seat through a stepping motor, the end part of the swinging arm is connected with a printing plate, the printing plate is positioned right above the circulating movement track of the linkage jig, a third cylinder is mounted on the swinging arm, and the movable end of the third cylinder is connected with a scraping plate extending into the printing plate.

8. The full-automatic surface printing device for the switch panel according to claim 1, wherein the trapezoid block is isosceles trapezoid in shape, and the side end of the extrusion pushing block is provided with an inclined plane matched with the trapezoid block.