CN214449497U

CN214449497U - Safety protection device and printing equipment

Info

Publication number: CN214449497U
Application number: CN202023082632.7U
Authority: CN
Inventors: 黎达营
Original assignee: Guangdong Jinma Printing Machinery Co Ltd
Current assignee: Guangdong Jinma Printing Machinery Co Ltd
Priority date: 2020-12-17
Filing date: 2020-12-17
Publication date: 2021-10-22
Anticipated expiration: 2030-12-17

Abstract

The utility model discloses a safety arrangement and lithography apparatus, safety arrangement includes: the mounting seat is fixedly mounted on the workbench; the sliding seat is arranged on the workbench in a sliding manner; the support rod is arranged on the sliding seat, extends upwards and can slide to the lower part of the printing frame, and a maintenance space for personnel to enter and exit is defined between the plane of the upper end surface of the support rod and the upper surface of the workbench; and the linear driving mechanism is connected with the sliding seat and is used for driving the sliding seat to slide back and forth to be close to or far away from the printing frame. The safety protection device of above structure rises to when overhauing required high position at the seal frame, can order about the sliding seat through sharp actuating mechanism and slide and be close to the seal frame, and then drives the bracing piece and remove to the below of seal frame to form the maintenance space that supplies personnel to pass in and out, when the seal frame takes place the accident and falls, the top of bracing piece can push up the seal frame, prevents the seal frame to fall, ensures personnel's safety. The printing equipment comprises the safety protection device.

Description

Safety protection device and printing equipment

Technical Field

The utility model relates to a safety arrangement and lithography apparatus.

Background

In the prior art, the screen printing equipment of circuit board includes workstation and the activity sets up the seal frame in the workstation top, when screen printing equipment needs to maintain or overhaul, needs to rise fixedly with the seal frame, though general screen printing equipment disposes the safety protection structure, when screen printing equipment takes place electrical fault, the safety protection structure is malfunctioning easily and leads to the seal frame to fall, causes the emergence of incident.

SUMMERY OF THE UTILITY MODEL

The utility model discloses aim at solving one of the technical problem that exists among the prior art at least. Therefore, the utility model provides a safety arrangement, this safety arrangement can support the seal frame when lithography apparatus maintains or overhauls, prevents that the seal frame from falling, prevents to take place the incident, ensures personnel's safety.

The utility model also discloses a lithography apparatus, this lithography apparatus includes safety arrangement.

The utility model discloses a safety arrangement of first aspect embodiment, include: the mounting seat is fixedly mounted on a workbench of the printing equipment; the sliding seat is arranged on the workbench in a sliding manner; the supporting rod is arranged on the sliding seat, extends upwards and can slide to the position below a printing frame of the printing equipment, and a maintenance space for personnel to enter and exit is defined between the plane where the upper end surface of the supporting rod is located and the upper surface of the workbench; and the linear driving mechanism is arranged on the mounting seat, is connected with the sliding seat and is used for driving the sliding seat to slide back and forth to be close to or far away from the printing frame.

According to the utility model discloses safety arrangement has following beneficial effect at least:

the safety protection device of above structure rises to when overhauing required high position at the seal frame, can order about the sliding seat through sharp actuating mechanism and slide and be close to the seal frame, and then drives the bracing piece and remove to the below of seal frame to form the maintenance space that supplies personnel to pass in and out, when the seal frame takes place the accident and falls, the top of bracing piece can the shore the seal frame, prevents the seal frame to fall and causes the casualties, ensures personnel's safety.

In some embodiments of the present invention, the sliding seat is slidably disposed on a guide rail, and the guide rail is fixedly disposed on the workbench and extends in a front-back direction of the workbench.

In some embodiments of the present invention, the linear driving mechanism includes a cylinder fixedly disposed on the mounting seat, a piston rod of the cylinder is connected to the sliding seat, and the piston rod of the cylinder is parallel to the guide rail.

In some embodiments of the present invention, the piston rod of the cylinder is detachably connected to the sliding seat.

In some embodiments of the present invention, the top of the support bar is provided with a buffer for contacting the print rack.

In some embodiments of the present invention, the buffer is a damping rubber block.

In some embodiments of the invention, the buffer is detachably mounted on the top of the support bar.

In some embodiments of the present invention, the top of the support rod is provided with a slot recessed downward, and the buffer member is inserted into the slot and tightly fitted with the slot.

In some embodiments of the present invention, the safety protection device further includes a sensing device, the sensing device is disposed on the printing apparatus and used for sensing the printing frame after rising, and the sensing device is electrically connected to the linear driving mechanism.

The utility model discloses the lithography apparatus of aspect implementation, comprises a workbench, the top of workstation is equipped with conveyor and seal frame, conveyor is located the seal frame with just be used for carrying between the workstation and treat the printed circuit board, the activity is provided with above-mentioned safety arrangement on the workstation.

According to the utility model discloses lithography apparatus has following beneficial effect at least: after the printing frame rises, the safety protection device can move the supporting rod to the lower part of the printing frame, and the printing frame can be supported when falling, so that safety accidents are avoided.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

fig. 1 is a schematic structural diagram of an embodiment of a safety protection device of the present invention;

FIG. 2 is a schematic view of another perspective of the embodiment of FIG. 1;

fig. 3 is a schematic structural diagram of an embodiment of the printing apparatus of the present invention;

fig. 4 is a partially enlarged view of the portion a of the embodiment of fig. 3.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it should be understood that the orientation or positional relationship referred to in the orientation description, such as the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., is the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplicity of description, and does not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

In the description of the present invention, a plurality of means are one or more, a plurality of means are two or more, and the terms greater than, less than, exceeding, etc. are understood as not including the number, and the terms greater than, less than, within, etc. are understood as including the number. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.

In the description of the present invention, it should be noted that, unless explicitly stated or limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, 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, 2 and 3, the safety protection device of the present invention includes: a mount 100 for being fixedly mounted on a table 10 of a printing apparatus; a sliding seat 200 slidably disposed on the table 10; a support rod 300, which is arranged on the sliding seat 200 and extends upwards, and can slide to the lower part of the printing frame 20 of the printing equipment, wherein a maintenance space for personnel to enter and exit is defined between the plane of the upper end surface of the support rod 300 and the upper surface of the workbench 10; and the linear driving mechanism 400 is arranged on the mounting seat 100, is connected with the sliding seat 200, and is used for driving the sliding seat 200 to slide back and forth to be close to or far away from the print frame 20. The height of the supporting rod 300 may be set according to the size of the required maintenance space, and the cross-sectional area of the supporting rod 300 may be designed to be a corresponding size according to the weight of the print rack 20, so as to satisfy the mechanical strength required for supporting the print rack 20. Of course, in some embodiments, the number of the support rods 300 may be multiple, the upper end surfaces of the multiple support rods 300 are located on the same horizontal plane, and the axes of the support rods 300 are not coplanar, so that all the support rods 300 form a stable polygonal support structure for the print rack 20. Preferably, the upper end surface of the support rod 300 is still close to the print rack 20 under the condition that the print rack 20 does not fall, and when the print rack 20 falls, the kinetic energy of the fall generated by the print rack 20 is small, so that a large impact between the print rack 20 and the support rod 300 is avoided.

When the printing frame 20 rises to the height position required for maintenance, the safety protection device with the above structure can drive the sliding seat 200 to slide through the linear driving mechanism 400 to be close to the printing frame 20, and further drive the supporting rod 300 to move to the lower part of the printing frame 20, so that a maintenance space for personnel to go in and out is formed, when the printing frame 20 falls accidentally, the top of the supporting rod 300 can support the printing frame 20, the printing frame 20 is prevented from falling, casualties are caused, and the personnel safety is ensured.

Referring to fig. 1 and 2, in some embodiments of the present invention, in order to improve the smoothness and stability of the sliding seat 200, the sliding seat 200 is slidably disposed on a guide rail 500, the guide rail 500 is fixedly disposed on the workbench 10 and extends in the front-rear direction of the workbench 10, when maintenance or repair is required, the sliding seat 200 moves forward along the guide rail 500, and the support rod 300 can move below the print rack 20; when the maintenance or overhaul is finished, the sliding seat 200 moves backwards along the guide rail 500, and the supporting rod 300 moves to a position outside the lower area of the printing frame 20, so as to avoid affecting the normal operation of the printing device.

Referring to fig. 1 and 2, in some embodiments of the present invention, the linear driving mechanism 400 includes a cylinder fixedly disposed on the mounting base 100, a piston rod of the cylinder is connected to the sliding base 200, and the piston rod of the cylinder is parallel to the guide rail 500. Of course, in other embodiments, the linear driving mechanism 400 may be replaced by a hydraulic cylinder or an electric motor screw structure, etc.

Referring to fig. 1 and 2, in some embodiments of the present invention, in order to adjust the movement stroke of the sliding seat 200, the piston rod of the air cylinder is detachably connected to the sliding seat 200. In this embodiment, the end of the piston rod of the cylinder is bolted to the sliding seat 200.

Referring to fig. 1 and 2, in some embodiments of the present invention, in order to prevent the rigid collision between the support rod 300 and the print rack 20 from damaging the print rack 20, a buffer 600 for contacting the print rack 20 is disposed on the top of the support rod 300.

In some embodiments of the present invention, the buffer 600 is a damping rubber block, which has a certain elasticity and will not wear the print frame 20.

In some embodiments of the present invention, the buffering member 600 is detachably mounted on the top of the supporting rod 300, and the buffering member 600 can be replaced after the buffering member 600 is aged or worn too much.

In some embodiments of the present invention, the top of the supporting rod 300 is provided with a slot (not shown in the figure) recessed downward, the buffer member 600 is inserted into the slot and tightly fitted with the slot, and the detachable installation of the buffer member 600 is realized through the above structure, so that the disassembly and assembly are convenient.

In some embodiments of the present invention, the safety protection device further includes a sensing device 700, the sensing device 700 is disposed on the printing apparatus and used for sensing the raised print rack 20, and the sensing device 700 is electrically connected to the linear driving mechanism 400. The sensing device 700 may be a photoelectric sensor or a travel switch that contacts the print frame 20. When the printing equipment needs to be maintained or overhauled, the printing frame 20 is lifted to the overhauled height position by using the driving device of the printing equipment, at the moment, the sensing device 700 senses the printing frame 20 and transmits a signal to the controller, the controller controls the linear driving mechanism 400 to act, the sliding seat 200 with the supporting rod 300 is moved to the lower part of the printing frame 20, the printing frame 20 is prevented from falling, and after the overhauling is finished, the linear driving mechanism 400 can be controlled to reset through the controller.

The utility model also discloses a lithography apparatus, including workstation 10, workstation 10's top is equipped with conveyor 30 and seal frame 20, conveyor 30 is located seal frame 20 with just be used for carrying the circuit board of treating the printing between the workstation 10, the activity is provided with above-mentioned safety arrangement on the workstation 10. After the printing frame 20 rises, the safety protection device can move the supporting rod 300 to the lower part of the printing frame 20, and can support the printing frame 20 when the printing frame 20 falls, so that safety accidents are avoided.

The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.

Claims

1. A safety arrangement, comprising:

the mounting seat (100) is fixedly mounted on a workbench (10) of the printing equipment;

the sliding seat (200) is arranged on the workbench (10) in a sliding manner;

the supporting rod (300) is arranged on the sliding seat (200), extends upwards, can slide to the position below a printing frame (20) of the printing equipment, and a maintenance space for personnel to enter and exit is defined between the plane of the upper end surface of the supporting rod (300) and the upper surface of the workbench (10);

the linear driving mechanism (400) is arranged on the mounting seat (100), is connected with the sliding seat (200) and is used for driving the sliding seat (200) to slide back and forth to be close to or far away from the printing frame (20).

2. A safety arrangement according to claim 1, wherein:

the sliding seat (200) is arranged on a guide rail (500) in a sliding mode, and the guide rail (500) is fixedly arranged on the workbench (10) and extends in the front-back direction of the workbench (10).

3. A safety arrangement according to claim 2, wherein:

the linear driving mechanism (400) comprises an air cylinder fixedly arranged on the mounting seat (100), a piston rod of the air cylinder is connected to the sliding seat (200), and the piston rod of the air cylinder is parallel to the guide rail (500).

4. A safety arrangement according to claim 3, wherein:

the piston rod of the air cylinder is detachably connected with the sliding seat (200).

5. A safety arrangement according to claim 1, wherein:

the top of the supporting rod (300) is provided with a buffer piece (600) which is used for being in contact with the printing frame (20).

6. A safety arrangement according to claim 5, wherein:

the buffer piece (600) is a damping rubber block.

7. A safety arrangement according to claim 5, wherein:

the buffer member (600) is detachably mounted on the top of the support rod (300).

8. A safety arrangement according to claim 7, wherein:

the top of the supporting rod (300) is provided with a slot which is concave downwards, and the buffer piece (600) is inserted into the slot and is tightly matched with the slot.

9. A safety arrangement according to claim 1, wherein:

the printing device further comprises a sensing device (700), the sensing device (700) is arranged on the printing equipment and used for sensing the raised printing frame (20), and the sensing device (700) and the linear driving mechanism (400) are electrically connected with a controller.

10. A printing apparatus, characterized in that, including a workbench (10), a conveying device (30) and a print rack (20) are arranged above the workbench (10), the conveying device (30) is located between the print rack (20) and the workbench (10) and is used for conveying a circuit board to be printed, and the workbench (10) is movably provided with a safety protection device according to any one of claims 1-9.