CN213735110U - Mask trolley - Google Patents

Abstract

The utility model relates to a mask trolley, including the frame with set up in the platform at frame top, be provided with detection device and a plurality of gyro wheel on the platform, detection device is used for detecting the position of mask on the platform, along the first direction of platform, the both ends of platform are provided with stop device respectively, stop device is connected with the detection device electricity, and a plurality of gyro wheels are followed the first direction interval sets up, and the mask is placed on the gyro wheel, and during the first state, gyro wheel drive mask is along the first direction motion, and during the second state, stop device blocks the mask and follows the first direction motion. Through setting up stop device, be favorable to carrying on spacingly to it when transporting the mask, avoid the mask to make the mask slide along first direction under the inertia effect or the vibration of mask platform truck walking in-process, and then avoid causing mask collision damage and emergence personnel collision incident, this mask platform truck has convenient shipment, high characteristics of security.

Description

Mask trolley

Technical Field

The utility model relates to a conveying equipment technical field especially relates to a mask platform truck.

Background

In the production of optical elements, masks (masks) are typically handled using a mask trolley to enable process flow of the masks between stations. The mask carriage generally includes a carriage and rollers mounted on a top surface of the carriage, on which the mask is placed for easy handling and carrying operations. Because the mask size is great and weight is heavier, when the mask platform truck was berthhed at the station, the mask on the car can take place to remove under the inertia effect, has great potential safety hazard.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a mask platform truck, its convenient shipment and security are high.

To achieve the purpose, the utility model adopts the following technical proposal:

the mask trolley comprises a frame and a platform arranged at the top of the frame, wherein a detection device and a plurality of rollers are arranged on the platform, the detection device is used for detecting the position of a mask on the platform and along the first direction of the platform, limiting devices are respectively arranged at two ends of the platform, the limiting devices are electrically connected with the detection device, the rollers are arranged at intervals along the first direction, the mask is placed on the rollers, the rollers drive the mask to move along the first direction in the first state, and the limiting devices block the mask to move along the first direction in the second state.

As a preferred scheme of the mask trolley, the platform comprises two beams which are parallel and arranged at intervals and a connecting piece arranged between the two beams, two ends of the connecting piece are respectively connected with the two beams, the rollers are arranged on the beams, and the limiting device is arranged on the connecting piece.

As a preferable scheme of the mask trolley, two limiting devices are arranged on the connecting pieces at two ends of the platform along the first direction, the two limiting devices are arranged at intervals along a second direction, and the second direction is perpendicular to the first direction.

As a preferable mode of the mask carriage, the beam is provided with an installation groove extending along a length direction of the beam, the roller is provided in the installation groove, and a part of the roller extends to an outside of the installation groove.

As a preferred scheme of the mask trolley, the limiting device includes a first driving member and a limiting member, the limiting member has a first end and a second end opposite to the first end, the first end is hinged to the connecting member, the first driving member is connected to the limiting member, and the first driving member can drive the second end to rotate around the first end, the limiting member is parallel to the platform in a first state, and the limiting member is perpendicular to the platform in a second state.

As an optimal scheme of the mask trolley, the limiting device comprises a second driving piece and a limiting rod, the limiting rod is vertically arranged on the platform, the second driving piece is connected with the lower end of the limiting rod, and the second driving piece is used for driving the limiting rod to lift.

As a preferable mode of the mask carriage, a cushion pad is provided on a side of the stopper facing the mask.

As a preferable scheme of the mask trolley, the number of the detection devices is at least two, at least two detection devices are arranged at intervals along the first direction, the detection devices are arranged at intervals from the limiting device, and in a second state, all the detection devices can detect the mask.

As a preferable mode of the mask carriage, the detection device is an infrared sensor.

As a preferable aspect of the mask carriage, the height of the stage is adjustable.

The utility model discloses compare in prior art's beneficial effect:

the utility model discloses a mask platform truck through setting up stop device, is favorable to carrying on spacingly to it when transporting the mask, avoids the mask to make the mask slide along the first direction under the inertia effect or the vibration of mask platform truck walking in-process, and then avoids causing mask collision damage and emergence personnel collision incident, and this mask platform truck has convenient shipment, the high characteristics of security.

Drawings

Fig. 1 is a schematic view of a mask carriage of the embodiment in a first state.

Fig. 2 is a schematic view of the mask carriage of the embodiment in a second state.

Fig. 3 is a top view of a platform of an embodiment.

Fig. 4 is a cross-sectional view of a beam of an embodiment.

Fig. 5 is a schematic view of a mask carriage according to another embodiment in a first state.

In the figure:

1. a frame; 10. a wheel; 11. a first upright post; 12. a second upright post; 13. a fourth drive; 2. a platform; 20. a cross beam; 201. mounting grooves; 21. a connecting member; 22. a roller; 221. a roller body; 222. a roller shaft; 23. a limiting device; 231. a limiting member; 24. a detection device; 3. and (5) masking.

Detailed Description

The advantages and features of the present invention and the methods of accomplishing the same will become apparent with reference to the following detailed description of the embodiments taken in conjunction with the accompanying drawings. However, the present invention is not limited to the embodiments disclosed below, but may be implemented in various different forms, and the embodiments are provided only to accomplish the disclosure of the present invention and to enable those skilled in the art to sufficiently understand the scope of the present invention, and the present invention is limited only by the scope of the claims. Like reference numerals denote like constituent elements throughout the specification.

Hereinafter, the present invention will be described in detail with reference to the accompanying drawings.

Example one

Referring to fig. 1 to 4, there is provided a mask carriage for transporting a mask 3, comprising a frame 1 and a platform 2 provided on the top of the frame 1, the frame 1 for supporting the platform 2 and the mask 3, the frame 1 having wheels 10 so that the frame 1 can freely walk on the ground. The platform 2 is used for placing the mask 3, the platform 2 is arranged along the horizontal direction, a detection device 24 and a plurality of rollers 22 are arranged on one side surface, deviating from the frame 1, of the platform 2, and the detection device 24 is used for detecting the position of the mask 3 on the platform 2. Along the first direction of platform 2, the length direction of platform 2, the both ends of platform 2 are provided with stop device 23 respectively, and stop device 23 is connected with detection device 24 electricity, and stop device 23's effect lies in blockking mask 3, avoids following the first direction slip when mask 3 places on gyro wheel 22. The plurality of rollers 22 are disposed at intervals in a first direction, a length direction of the rollers 22 is perpendicular to the first direction, and the mask 3 is placed on the rollers 22 and is driven to move in the first direction by rotation of the rollers 22. In the first state, namely the loading and unloading state of the mask 3, the limiting device 23 cannot block the mask 3, and the roller 22 drives the mask 3 to move along the first direction; in the second state, i.e., the transportation state of the mask 3, the stopper 23 can block the mask 3 from moving in the first direction. Through setting up stop device 23, be favorable to spacing its when transporting mask 3, avoid mask 3 to make mask 3 slide along the first direction under the inertia effect or the vibration of mask platform truck walking in-process, and then avoid causing 3 collision damage of mask and take place personnel collision incident, this mask platform truck has convenient shipment, high characteristics of security.

Specifically, in order to realize that the roller 22 drives the mask 3 to move, a third driving member is disposed on the stage 2, and the third driving member is connected to the roller 22 and is used for driving the roller 22 to rotate. The third driving member is a motor and a transmission mechanism disposed between the motor and the roller 22.

Specifically, referring to fig. 3, the platform 2 includes two beams 20 disposed in parallel and at an interval, and at least two connecting members 21 disposed between the two beams 20, and a frame structure with good mechanical properties is formed between the connecting members 21 and the beams 20 to support the mask 3. In this embodiment, the first direction of the platform 2, the length direction of the platform 2, and the length direction of the beam 20 are the same. Two connecting pieces 21 located at two ends of the platform 2 in the length direction are respectively arranged at the end parts of the cross beams 20, and two ends of the connecting pieces 21 are respectively connected with the two cross beams 20, so that the overall shape of the platform 2 is rectangular. The rollers 22 are arranged on the cross beam 20, and the limiting device 23 is arranged on the connecting piece 21. When the mask 3 is placed on the roller 22, the edge part of the mask 3 is positioned above the beam 20, and the limiting device 23 is installed on the connecting piece 21, namely the limiting device 23 is positioned at the position of the mask 3 close to the middle part, so that the limiting device 23 can shield the middle area of the mask 3, and the mask 3 is prevented from deviating due to the fact that the stress position is close to the edge when the mask 3 is contacted with the limiting device 23.

In order to further improve the mechanical property between the limiting devices 23 and the mask 3, two limiting devices 23 are arranged on the connecting pieces 21 at two ends of the platform 2 in the length direction, two limiting devices 23 are arranged on each connecting piece 21 at intervals along a second direction, the second direction is perpendicular to the first direction, and the second direction is the width direction of the platform 2. Two stop means 23 are located on the connecting piece 21 near the ends so that the point of force of the mask 3 is close to the edge of the mask 3. The distance between the two limiting devices 23 and the central line of the platform 2 in the width direction is equal, so that the stress is uniform when the mask 3 is in contact with the limiting devices 23, and the mask 3 is prevented from deviating.

Specifically, the cross beam 20 is provided with a mounting groove 201, the mounting groove 201 extends along the length direction of the cross beam 20, the roller 22 is disposed in the mounting groove 201, and a portion of the roller 22 extends to the outside of the mounting groove 201. The roller 22 includes a roller body 221 and a roller shaft 222 coaxially disposed with the roller body 221, the roller shaft 222 is disposed on the roller body 221 in a penetrating manner, two ends of the roller shaft 222 extend out of the roller body 221, and two ends of the roller shaft 222 are respectively connected with two opposite side walls of the mounting groove 201 in a rolling manner. It will be appreciated that since the mask 3 is made of a metal material, and has a large volume and a heavy weight, the roller 22 is made of a metal material to ensure the strength thereof. The roller 22 is installed in the installation groove 201, that is, the length of the roller 22 is not greater than the width of the beam 20. This structure makes the length dimension of gyro wheel 22 littleer, and when mask 3 was placed on gyro wheel 22, the edge part that is located 3 width direction of mask's both ends respectively with two gyro wheels 22 butt on the crossbeam 20, the contact surface of mask 3 and gyro wheel 22 is less, is favorable to reducing the friction production iron fillings between mask 3 and the gyro wheel 22, and then avoids iron fillings to cause the influence to the cleanliness of mask 3. Meanwhile, the installation groove 201 is arranged, so that scrap iron generated by friction between the roller 22 and the mask 3 can be collected through the installation groove 201, and the scrap iron is prevented from floating along with airflow and being adsorbed on the mask 3.

Specifically, the limiting device 23 includes a first driving member and a limiting member 231, the limiting member 231 has a first end and a second end opposite to the first end, the first end is hinged to the connecting member 21, the first driving member is connected to the limiting member 231, and the first driving member can drive the second end to rotate around the first end, the limiting member 231 is parallel to the platform 2 in the first state, and the limiting member 231 is perpendicular to the platform 2 in the second state. In this embodiment, the position-limiting member 231 is a rectangular plate-shaped structure, the thickness direction of the position-limiting member 231 is parallel to the length direction of the stage 2, and the structure can increase the contact surface between the mask 3 and the position-limiting member 231, thereby avoiding the generation of indentations when the two collide. The first end of the limiting member 231 is hinged to the connecting member 21, the second end of the limiting member 231 can rotate around the first end, the first driving member drives the limiting member 231 to turn, so that the limiting member 231 can be parallel to the platform 2 in the assembled and disassembled state, and at this time, the position of the limiting member 231 is lower than the top of the roller 22, and the limiting member 231 cannot block the mask 3. And, the position-limiting member 231 can be perpendicular to the platform 2 in the transportation state, and the position of the position-limiting member 231 is higher than the top of the roller 22, and the position-limiting member 231 can block the mask 3. The first driving member may be a motor, an air cylinder, a hydraulic cylinder, or an electric telescopic member, and is used to drive the limiting member 231 to turn over, so that the limiting member 231 is located at a different position when in different states, thereby selectively blocking the mask 3.

In order to avoid a large impact between the mask 3 and the limiting member 231, a cushion pad is disposed on a side of the limiting member 231 facing the mask 3. The cushion pad is a rubber plate having a certain elasticity, and when the mask 3 slides along the stage 2, an impact force is applied between the mask 3 and the stopper 231. The cushion pad is provided to facilitate the buffering of the impact force of the mask 3.

Specifically, the number of the detecting devices 24 is at least two, the at least two detecting devices 24 are arranged at intervals along the first direction, the detecting devices 24 are arranged at intervals from the limiting device 23, and in the second state, namely, the mask 3 is placed on the platform 2, all the detecting devices 24 can detect the mask 3. In this embodiment, the detection device 24 is an infrared sensor. The detecting device 24 is used to detect whether the mask 3 is in the second state, i.e., the set position where the mask 3 is placed on the stage 2. A plurality of detection means 24 are provided and the plurality of detection means 24 are arranged to detect different positions on the horizontal plane of the mask 3. In the present embodiment, the number of the detection devices 24 is two, and the two detection devices 24 are mounted on the cross beam 20 and are arranged at intervals along the length direction of the cross beam 20. Two sensing devices 24 are located near each end of the beam 20. When both the inspection devices 24 detect the mask 3 positioned thereabove, that is, the mask 3 is positioned at a designated position. At this time, the detecting device 24 sends an electric signal to the position restricting device 23 to cause the position restricting device 23 to block the mask 3.

Of course, in other embodiments, the detection device 24 may be other sensors, such as an ultrasonic sensor, a pressure sensor, a laser sensor, and the like.

Example two

Referring to fig. 3, the limiting device 23 includes a second driving member and a limiting rod, the limiting rod is vertically disposed on the platform 2, the second driving member is connected to a lower end of the limiting rod, and the second driving member is used for driving the limiting rod to ascend and descend. In this embodiment, the second driving member may be an air cylinder, a hydraulic cylinder, and an electric telescopic member, and preferably, an electric telescopic member is used, and the electric telescopic member is electrically connected to the detecting device 24. The electric telescopic piece comprises a fixed end arranged on the frame 1 and a movable end connected with the lower end of the limiting rod, and the limiting rod is driven to move up and down relative to the platform 2 through the extension and retraction of the movable end. In the first state, the electric telescopic piece drives the limiting rod to descend, so that the upper end of the limiting rod is lower than the roller 22, and the limiting rod cannot block the mask 3; in the second state, the electric telescopic part drives the limiting rod to ascend, the upper end of the limiting rod is higher than the roller 22, and the limiting rod can block the mask 3 at the moment.

EXAMPLE III

The height of the platform 2 is adjustable. The platform 2 is movably arranged on the frame 1, and the platform 2 can be lifted relative to the frame 1. In this embodiment, the frame 1 includes a plurality of first uprights 11 and second uprights 12 evenly spaced along a peripheral portion thereof, the first uprights 11 and the second uprights 12 are both disposed along a vertical direction, one end of the second upright 12 is inserted into the first upright 11, the second upright 12 is capable of moving along a length direction of the first upright 11, and the other end of the second upright 12 is connected to the platform 2. The middle part of frame 1 is provided with fourth drive piece 13, and fourth drive piece 13 is electronic extensible member, and the stiff end of fourth drive piece 13 is installed on frame 1, and the expansion end is connected with platform 2, through the flexible with drive platform 2 elevating movement of the flexible of fourth drive piece 13. This configuration facilitates adjustment of the height of the stage 2 to accommodate the height of the various stations, facilitating transportation of the mask 3 to the various stations via the rollers 22.

The technical effects of the embodiment are as follows: through setting up stop device 23, be favorable to spacing its when transporting mask 3, avoid mask 3 to make mask 3 slide along the first direction under the inertia effect or the vibration of mask platform truck walking in-process, and then avoid causing 3 collision damage of mask and take place personnel collision incident, this mask platform truck has convenient shipment, high characteristics of security.

Although the embodiments of the present invention have been described above with reference to the accompanying drawings, the present invention is not limited to the above embodiments, but may be manufactured in various forms, and those skilled in the art will understand that the present invention may be embodied in other specific forms without changing the technical spirit or essential features of the invention. It is therefore to be understood that the above described embodiments are illustrative and not restrictive in all respects.

Claims (10)

1. The mask trolley is used for conveying masks and is characterized by comprising a frame and a platform arranged at the top of the frame, wherein a detection device and a plurality of rollers are arranged on the platform, the detection device is used for detecting the position of the masks on the platform, and along the first direction of the platform, limiting devices are respectively arranged at two ends of the platform and are electrically connected with the detection device, the rollers are arranged at intervals along the first direction, the masks are placed on the rollers, when in a first state, the rollers drive the masks to move along the first direction, and when in a second state, the limiting devices block the masks to move along the first direction.

2. The mask trolley according to claim 1, wherein the platform comprises two parallel beams spaced apart from each other, and a connecting member disposed between the two beams, two ends of the connecting member are respectively connected to the two beams, the rollers are disposed on the beams, and the limiting device is disposed on the connecting member.

3. The mask trolley of claim 2 wherein two of the position-limiting devices are disposed on the connecting members at both ends of the stage along the first direction, and the two position-limiting devices are spaced along a second direction perpendicular to the first direction.

4. The mask trolley according to claim 2, wherein the beam is provided with a mounting groove extending in a length direction of the beam, the roller is provided in the mounting groove, and a part of the roller extends to the outside of the mounting groove.

5. The mask trolley according to claim 2, wherein the position limiting device comprises a first driving member and a position limiting member, the position limiting member has a first end and a second end opposite to the first end, the first end is hinged to the connecting member, the first driving member is connected to the position limiting member, and the first driving member can drive the second end to rotate around the first end, the position limiting member is parallel to the platform in a first state, and the position limiting member is perpendicular to the platform in a second state.

6. The mask trolley according to claim 2, wherein the limiting device comprises a second driving member and a limiting rod, the limiting rod is vertically arranged on the platform, the second driving member is connected with the lower end of the limiting rod, and the second driving member is used for driving the limiting rod to lift.

7. The mask trolley of claim 5 wherein the stop is provided with a cushion on a side facing the mask.

8. The mask trolley according to claim 1, wherein the number of the detecting devices is at least two, at least two detecting devices are arranged at intervals along the first direction, the detecting devices are arranged at intervals from the limiting device, and in the second state, all the detecting devices can detect the mask.

9. The mask trolley of claim 8 wherein the detection device is an infrared sensor.

10. The mask trolley of claim 1 wherein the platform is adjustable in height.

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