CN210438637U - Sheet taking device - Google Patents

Abstract

The utility model belongs to the technical field of glass production facility, especially, relate to a get piece device, including work platform, break disconnected cylinder and jet-propelled mechanism off with the fingers and thumb, be equipped with the jet-propelled through-hole of a plurality of on work platform's the mesa, each jet-propelled through-hole all communicates with the gas outlet of jet-propelled mechanism and is used for floating the glass board on the work platform, breaks the cylinder body of disconnected cylinder off with the fingers and thumb and installs in work platform's feed side, breaks the piston rod of disconnected cylinder off with the fingers and thumb and sets up with the fingers and thumb, breaks disconnected cylinder off with the fingers and thumb the platform's off with. Through float glass cold junction equipment and this piece device cooperation use of getting, increase the manual work and get the piece function, can promote the piece ability of getting of this float glass cold junction equipment greatly like this, can solve because of draw fast, cut reasons such as size is small on the side cause the float glass cold junction equipment get the piece and come too late and lead to the extravagant problem of glass board whiteness, simultaneously, should get piece device simple structure, easy operation, and the cost of manufacture is low.

Description

Sheet taking device

Technical Field

The utility model belongs to the technical field of glass production facility, especially, relate to a get piece device.

Background

The existing float glass cold end equipment mainly executes various detection, cutting and breaking off, surface protection, stacking and boxing of a glass belt (plate) after annealing in a glass generation process and transportation of the processes, and due to the reasons of high drawing speed, small cutting size and the like, the sheet taking capacity of the existing float glass cold end equipment cannot meet normal production requirements, about 0.6 ton of glass is lost in vain due to insufficient sheet taking capacity per hour, the glass production yield is low, resources are wasted, and if one cold end branch line equipment is added to improve the sheet taking capacity, the increased cost is very high.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a get piece device aims at solving float glass cold junction equipment among the prior art and leads to the technical problem that the glass board is white extravagant because of getting the piece ability weak.

In order to achieve the above object, the utility model adopts the following technical scheme: the sheet taking device comprises a working platform, a breaking-off cylinder and an air injection mechanism, wherein a plurality of air injection through holes are formed in the table top of the working platform, and are communicated with an air outlet of the air injection mechanism and used for floating a glass plate on the working platform; the glass plate breaking device comprises a working platform, a breaking cylinder, a piston rod and a breaking cylinder, wherein the breaking cylinder is arranged on the feeding side of the working platform, the piston rod of the breaking cylinder is arranged upwards, and the piston rod of the breaking cylinder extends out of the table surface of the working platform so as to break a glass plate conveyed to the working platform.

Optionally, the sheet taking device further comprises two ejection rods, the number of the breaking-off cylinders is two, the two breaking-off cylinders are arranged at intervals, two ends of each ejection rod are respectively and fixedly mounted on the end portions of piston rods of the two breaking-off cylinders, and the ejection rods are arranged in parallel to the table top of the working platform.

Optionally, an adhesive tape is arranged on the upper surface of the ejector rod.

Optionally, each of the air injection through holes is arranged in a matrix and is paved on the table top of the working platform.

Optionally, the distance between two adjacent air injection through holes ranges from 40mm to 60mm, and the diameter of each air injection through hole ranges from 1mm to 5 mm.

Optionally, the film taking device further comprises a cover plate, an air inlet cavity with an opening is formed in the table top of the working platform, the cover plate is covered on the opening of the air inlet cavity and seals the opening of the air inlet cavity, each air injection through hole is formed in the cover plate, an air inlet hole is formed in the bottom surface of the air inlet cavity, and the air injection mechanism is communicated with the air inlet hole.

Optionally, the air injection mechanism comprises a fan, the fan is communicated with the air inlet hole through a pipeline, and a pneumatic shutoff valve and an air valve for controlling air volume are arranged at the air outlet of the fan.

Optionally, the sheet taking device further comprises a stopper, and the stopper is slidably mounted on the table top of the working platform and slides back to the breaking-off cylinder.

Optionally, the film taking device further comprises a photoelectric switch, the photoelectric switch is mounted on the stop block, and the photoelectric switch is electrically connected with the pneumatic shutoff valve.

Optionally, four corners of the bottom of the working platform are provided with lifting support legs.

The utility model provides an above-mentioned one or more technical scheme in getting the piece device have one of following technological effect at least: when the device is used, the working platform needs to be placed at the side edge of a tail end air cushion table of float glass cold end equipment, and the breaking cylinder is arranged close to the tail end air cushion table; before the glass plate on the tail end air cushion table enters the working platform, the air injection mechanism is started, the air injection mechanism conveys external air to the air injection through hole and injects air from the air injection through hole, the glass plate on the working platform is floated by the injected air in the through hole, the glass plate is in an air floating state, then the glass plate is manually pulled to move until the end part of the piston rod of the breaking cylinder is just opposite to a cutting line on the glass plate, after the air injection mechanism is closed, the glass plate falls downwards under self gravity, meanwhile, the breaking cylinder is started, the piston rod of the breaking cylinder extends upwards, and therefore the glass plate is broken in a static state. After the glass board breaks off with the fingers and thumb, restart air jet mechanism, the air jet through-hole will break off with the fingers and thumb again and lie in the glass board on the work platform float with the fingers and thumb after breaking off with the fingers and thumb, then the manual glass board that will lie in on the work platform moves away and carries out the stack, this break off with the fingers and thumb who has just accomplished this and has got the piece device and get the piece operation, so through float glass cold junction equipment with the utility model discloses a get piece device cooperation and use for tail end air cushion table is only on the basis of withdrawing the piece function, increases the manual work and gets the piece function, can promote the piece ability of getting of this float glass cold junction equipment greatly like this, can solve because of drawing fast, the cutting size causes float glass cold junction equipment to get the piece and to come too late to lead to the extravagant problem of glass board whiteness, simultaneously, should get piece device simple structure.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the embodiments or the prior art descriptions will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without inventive labor.

Fig. 1 is a schematic structural diagram of a viewing angle of a film taking device according to an embodiment of the present invention.

Fig. 2 is a schematic structural diagram of another view angle of the film taking device according to the embodiment of the present invention.

Fig. 3 is a schematic structural view of a working platform hiding cover plate of the film taking device provided by the embodiment of the present invention.

Fig. 4 is a schematic structural diagram of the sheet taking device provided by the embodiment of the present invention, which is assembled beside a float glass cold end device.

Wherein, in the figures, the respective reference numerals:

10-working platform 11-cover plate 12-air inlet cavity

20-breaking cylinder 21-ejector rod 22-adhesive tape

30-jet mechanism 31-fan 32-pipeline

33-air valve 40-stop block 50-support leg

60-float glass cold end equipment 61-roller way 62-tail end air cushion table

70-glass plate 111-air injection through hole 121-air inlet hole.

Detailed Description

Reference will now be made in detail to the embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar 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 and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it is to be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; the connection can be mechanical connection or electrical connection; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

As shown in fig. 1 to 4, in an embodiment of the present invention, a sheet taking device is provided, which is generally used in cooperation with a float glass cold end device 60, to improve the sheet taking capability of the float glass cold end device 60, the sheet taking device includes a working platform 10, a breaking cylinder 20 and an air injection mechanism 30, a plurality of air injection through holes 111 are provided on a platform surface of the working platform 10, and each air injection through hole 111 is communicated with an air outlet of the air injection mechanism 30 and is used for lifting a glass plate 70 on the working platform 10; the cylinder body of the breaking-off cylinder 20 is installed at the feeding side of the working platform 10, the piston rod of the breaking-off cylinder 20 is arranged upward, and the piston rod of the breaking-off cylinder 20 extends out of the table top of the working platform 10 to break off the glass plate 70 conveyed to the working platform 10.

Specifically, when the sheet taking device according to the embodiment of the present invention is used, the working platform 10 needs to be placed at the side of the tail end air cushion table 62 of the float glass cold end device 60, and the breaking cylinder 20 is disposed close to the tail end air cushion table 62 (specifically, see fig. 4); before the glass plate 70 on the tail air cushion table 62 enters the working platform 10, the air injection mechanism 30 is started, the air injection mechanism 30 conveys outside air to the air injection through hole 111, and air injected from the air injection through hole 111 is injected from the air injection through hole 111 to float the glass plate 70 on the working platform 10, the glass plate 70 is in an air floating state, then the glass plate 70 is manually pulled to move until the end of the piston rod of the breaking-off cylinder 20 is opposite to a cutting line on the glass plate 70, after the air injection mechanism 30 is closed, the glass plate 70 falls downwards under the self gravity, meanwhile, the breaking-off cylinder 20 is started, the piston rod of the breaking-off cylinder 20 extends upwards, and the glass plate 70 is broken off in a static state. After the glass plate 70 breaks off with the fingers and thumb the air-jet mechanism 30 that restarts, air-jet through hole 111 will break off with the fingers and thumb the glass plate 70 that the back is located work platform 10 with the fingers and thumb and float, then the manual glass plate 70 that will be located on work platform 10 moves away and carries out the stack, this break off with the fingers and thumb that has just accomplished this piece device of getting gets the piece operation, so through float glass cold junction equipment 60 with the cooperation of the piece device of getting of the embodiment is used for tail end air cushion table 62 increases the manual work and gets the piece function on the basis of only removing the piece function, can promote the piece ability of getting of this float glass cold junction equipment 60 greatly like this, can solve because of drawing fast, cutting size reason such as small slightly causes the cold junction equipment 60 to get the piece and too late to lead to the extravagant problem of float glass plate 70 white float, simultaneously, should get piece device simple structure, easy operation, and the.

Further, in the embodiment, the gas ejected from the gas ejection through hole 111 floats the glass plate 70, so that the glass surface scratch caused by the friction of the glass plate 70 on the working platform 10 is reduced; the glass plate 70 is in a suspension state, so that the personnel can take or drag the glass plate 70 in a time-saving and labor-saving manner, the sheet taking efficiency of the glass plate 70 can be improved, and meanwhile, the glass plate 70 can be prevented from being scratched or scratched in the moving process, and the appearance quality of the glass plate 70 is further ensured.

In another embodiment of the present invention, referring to fig. 1, fig. 2 and fig. 3, the provided film taking device further includes two ejector rods 21, the number of the break-off cylinders 20 is two, two break-off cylinders 20 are spaced apart from each other, two ends of the ejector rod 21 are respectively fixedly mounted on the end portions of the piston rods of the two break-off cylinders 20, and the ejector rod 21 is parallel to the table top of the working platform 10. The ejector pin 21 extends along the cutting line on the glass plate 70, so the ejector pin 21 can directly impact on the cutting line on the whole glass plate 70, thereby the glass plate 70 is ensured to be disconnected from the cutting line, the damage of other parts can not be caused, the glass plate 70 is prevented from being scrapped, in addition, two piston rods of the breaking-off cylinders 20 respectively jack up the two ends of the ejector pin 21 simultaneously, the ejector pin 21 is lifted horizontally, the whole upper surface of the ejector pin 21 can be simultaneously contacted and impacted with the glass plate 70, so the glass plate 70 is uniformly impacted, and the smoothness of the fracture of the glass plate 70 is good.

Further, the control mode of the breaking-off cylinder 20 is pedal type, the normal lifting height of the mandril 21 is 30mm, the breaking-off requirement of the glass plate 70 can be met, but the stroke of the breaking-off cylinder 20 is generally set to be 50mm, and the height of the breaking-off cylinder 20 is adjustable.

In another embodiment of the present invention, referring to fig. 1, a rubber strip 22 is provided on the upper surface of the top rod 21 of the sheet taking device. Specifically, the adhesive tape 22 is made of a soft material, so that the ejector rod 21 is prevented from damaging the scratch glass plate 70 in the process of impacting the glass plate 70.

Preferably, tape 22 is a PVB tape 22.

In another embodiment of the present invention, referring to fig. 2, the air injection through holes 111 of the sheet taking device are provided in a matrix arrangement and are fully paved on the surface of the working platform 10. Specifically, the air injection through holes 111 are uniformly spread over the entire top of the work platform 10 in a matrix arrangement, that is, the air injection through holes 111 are uniformly spread over the entire top of the work platform 10, so that the glass plate 70 enters the top of the work platform 10, the lower surface of the glass plate 70 can receive a stable suspension force, and the glass plate 70 can be stably suspended in the air horizontally, so as to be convenient for a person to take and pull.

In another embodiment of the present invention, the distance between two adjacent air injection through holes 111 of the sheet taking device is 40mm to 60mm, and the diameter of the air injection through holes 111 is 1mm to 5 mm. Specifically, the distance between two adjacent air injection through holes 111 can be 40mm, 42mm, 44mm, 46mm, 48mm, 50mm, 52mm, 54mm, 56mm, 58mm or 60mm, which can ensure that the glass plate 70 is suspended in the air horizontally by stable suspension force; if the range is too small, the air injection through holes 111 are too densely arranged, the working platform 10 is complex to manufacture and high in cost; if the range is set too large, when the glass sheet 70 enters the upper part of the work platform 10, the glass sheet 70 may be subjected to a large levitation force on one side and a small levitation force on the other side, which may cause the glass sheet 70 to tilt and directly impact the work platform 10 to be damaged. The diameter of the air injection through hole 111 can be 1mm, 1.5mm, 2mm, 2.5mm, 3mm, 3.5mm, 4mm, 4.5mm or 5mm, the range can be set to ensure that the glass plate 70 is subjected to proper suspension force and horizontally suspended on the working platform 10, if the range is set to be too small, the diameter of the air injection through hole 111 is too small, the air injection force is large, the height for jacking up the glass plate 70 is high, the operation of personnel is inconvenient, and the air injection force is large, so that the glass plate 70 is possibly damaged; if the range is set too large, the diameter of the air ejection through hole 111 becomes too large, and the air ejection force becomes small, and the glass plate 70 may not be lifted.

In another embodiment of the present invention, refer to fig. 1 and 3. The provided film taking device further comprises a cover plate 11, an air inlet cavity 12 with an opening is formed in the table top of the working platform 10, the cover plate 11 is covered on the opening of the air inlet cavity 12 and seals the opening of the air inlet cavity 12, each air injection through hole 111 is formed in the cover plate 11, an air inlet hole 121 is formed in the bottom surface of the air inlet cavity 12, and the air injection mechanism 30 is communicated with the air inlet hole 121. Specifically, the air injection mechanism 30 inputs outside air into the air inlet cavity 12 from the air inlet holes 121, and then the outside air is ejected from the air injection through holes 111, so that the glass plate 70 floats on the working platform 10, and after the air outlet of the air injection mechanism 30 is communicated with the air inlet holes 121, the air injection through holes 111 on the whole cover plate 11 are all ejected with air, and the glass plate air injection mechanism is simple in structure, simple to manufacture and install and easy to operate.

Further, the cover plate 11 is a density plate, which has low cost, and can further reduce the cost of the film taking device.

In another embodiment of the present invention, referring to fig. 1, an air injection mechanism 30 of the film taking device is provided, which includes a fan 31, the fan 31 is communicated with an air inlet 121 through a pipeline 32, and an air outlet of the fan 31 is provided with a pneumatic shutoff valve (not shown) and an air valve 33 for controlling air volume. The fan 31 conveys outside air into the air inlet cavity 12 through the pipeline 32 and then sprays the air out of the air spraying through hole 111, so that the glass plate 70 above floats, and the fan 31 and the pipeline 32 are fixed below the working platform 10, so that the whole sheet taking device is more compact in structure and high in practicability; the air valve 33 is used for controlling the air output of the fan 31, so as to control the air injection quantity of the air injection through holes 111 and further control the suspension force borne by the glass plate 70, thereby meeting the suspension requirements of the glass plates 70 with different specifications and different thicknesses; the pneumatic shutoff valve is used for controlling whether the air outlet of the fan 31 is exhausted or not, so as to control whether the air injection through hole 111 is sprayed with air or not, and when the air injection through hole 111 is not sprayed with air, the glass plate 70 falls onto the table top of the working platform 10, so that the breaking cylinder 20 is convenient to jack up the cutting line of the glass plate 70 and break the glass plate under the self gravity, and the breaking operation of the glass plate 70 is completed.

Further, the fan 31 is a centrifugal fan, the power of the fan 31 is 2.2kw, and the fan is installed on a cross beam below the working platform 10.

In this embodiment, referring to fig. 3, the number of the air inlet holes 121 is multiple, the multiple air inlet holes 121 are symmetrically distributed on the bottom surface of the air inlet cavity 12, the air outlets at the two ends of the multiple V-shaped air pipes are respectively connected with the pair of air inlet holes 121, the air inlets at the middle parts of the multiple V-shaped air pipes are connected with the fan 31 through a header pipe, so that the air of the fan 31 is conveyed into the air inlet cavity 12; because the plurality of air inlets 121 are symmetrically distributed on the bottom surface of the air intake cavity 12, the air intake of the air intake cavity 12 is uniformly distributed, and the air output of each air injection through hole 111 is the same, the glass plate 70 is subjected to uniform suspension force, thereby ensuring that the glass plate 70 can stably and horizontally float on the table top of the working platform 10.

In another embodiment of the present invention, referring to fig. 1 and fig. 2, the sheet taking device further includes a stop 40, and the stop 40 is slidably mounted on the table top of the working platform 10 and slides away from the breaking cylinder 20. The horizontal distance between the stop block 40 and the breaking-off cylinder 20 can be set to be the length of the broken glass plate 70, so that a person pulls the glass plate 70 to move until the edge of the glass plate 70 abuts against the stop block 40, at the moment, the breaking-off line on the glass plate 70 is just opposite to the breaking-off cylinder 20, the operation of the person is simple, the operation efficiency is higher, the piece taking capability of the piece taking device can be greatly improved, the accuracy of the breaking-off position size of the glass plate 70 can be ensured through the positioning effect of the stop block 40, and the qualification rate of the glass plate 70 is improved. In addition, the stopper 40 is slidably mounted on the table top of the working platform 10 and slides back to the direction of the snapping cylinder 20, and the stopper 40 slides on the table top, so that the production requirements of glass plates 70 with different cutting size requirements are met.

In this embodiment, the length, width and height of the working platform 10 are 1500mm, 1500mm and 1020mm respectively, the distance between the stopper 40 and the ejector rod 21 of the breaking-off device is generally 1092mm, the position of the stopper 40 can be adjusted, the adjustment range is 0mm-1500mm, and the size can be adapted to the cutting size of most of the existing glass plates 70.

In this embodiment, two side portions of the working platform 10 are provided with sliding grooves extending away from the snapping cylinder 20, two ends of the stopper 40 are respectively provided with protrusions, and the protrusions are slidably connected in the sliding grooves and slide in the sliding grooves through the protrusions, so that the stopper 40 can move.

In another embodiment of the present invention, the film taking device further includes a photoelectric switch (not shown), the photoelectric switch is installed on the stop block 40, and the photoelectric switch is electrically connected to the pneumatic shutoff valve. When the edge of the glass plate 70 moves to the position of the photoelectric switch at the stop block 40, the photoelectric switch sends an instruction to the pneumatic shutoff valve, the pneumatic shutoff valve is closed, and the air outlet of the fan 31 is closed, so that the glass plate 70 falls on the table top and is in a static state, the breaking-off cylinder 20 is convenient to start the breaking-off glass plate 70, the automatic operation when the edge of the glass plate 70 moves to the position of the photoelectric switch can be realized, and the operation of the sheet taking device is simpler and more reliable.

In another embodiment of the present invention, referring to fig. 1, four corners of the bottom of the working platform 10 of the sheet taking device are provided with liftable support legs 50. Through the lifting of the support legs 50, the working platform 10 can be matched with float glass cold-end equipment 60 with different heights for use, and the application range of the sheet taking device is widened. Preferably, the maximum adjustment amplitude of the lifting of the foot 50 is 100 mm.

Further, the tail air cushion table 62 of the float glass cold end device 60 adds a manual sheet taking function from a simple sheet removing function, and meanwhile, modification of the finishing hardware and software of the float glass cold end device 60 is also needed, such as: and adding an optimized cutting picture, and finishing the network configuration and the optimized cutting picture remote transmission function. On the premise of not influencing network communication and operation of a client side in an original ProteRo 700 area, a double network card is added to form a new local area network, a cold-end optimized cutting picture is transmitted to the position of the film taking device by using remote monitoring software (such as VNCViewer), and an operator can avoid manually taking films to flow defective products to a client according to the currently optimized glass plates 70 (which one of the optimized glass plates 70 is a red plate can be seen).

If the tail end of the float glass cold end device 60 needs to be taken, firstly, when the glass plate 70 enters the front section of the roller way 61 of the tail end air cushion table 62 of the next process, the request button indicating lamp on the float glass cold end device 60 flickers (about 5 seconds), at this time, the request button is pressed, the glass conveying belt below the tail end air cushion table 62 is automatically lifted, and the glass plate 70 is automatically conveyed to the working platform of the plate taking device of the tail end air cushion table 62.

Then, two photoelectric switches are also arranged at the tail part of the tail end air cushion table 62, when any one of the two photoelectric switches detects the edge part of the glass plate 70, a feedback signal is sent to the tail end air cushion table 62, the glass conveying belt of the tail end air cushion table 62 automatically falls down to control the glass plate 70 to automatically stop at the position 200mm away from the edge part of the tail end air cushion table 62, and meanwhile, the fan of the tail end air cushion table and the fan 31 of the sheet taking device are started to suspend the glass plate 70.

Then, manually and manually push the glass plate 70 to the stopper 40 of the sheet taking device in the air floating state (the position of the stopper 40 of the air cushion table is adjusted according to the size of the cut glass plate 70), and when the photoelectric switch above the stopper 40 reaches the glass plate 70, the pneumatic shutoff valve of the sheet taking device is automatically closed, so that the glass plate 70 is ensured to be broken off in the air floating state.

Finally, a foot pedal switch of the breaking cylinder 20 is pressed, the breaking cylinder 20 is lifted to break the glass plate 70, meanwhile, the pneumatic breaking valve is opened, one person stacks the glass plate 70 on a glass frame in an air floating state, and the other person pushes the glass plate 70 to the stop block 40 of the air cushion table.

Compared with the automatic break-off and piece device of getting of current float glass cold junction equipment 60, the utility model discloses get piece device design simple structure, it is low to get piece device input use expense (the cost is less than 2 ten thousand altogether), factor of safety is high, get the easy operation of piece device, easy maintenance, every class (8 hours) 2 people can the manual work get about 6 tons of piece, solution production glass board 70 that can be better, because of drawing fast, the cutting size causes float glass cold junction equipment 60 to get the piece and too late to lead to glass board 70 to be useless, can create higher economic benefits.

The above description is only exemplary of the present invention and should not be construed as limiting the present invention, and any modifications, equivalents and improvements made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims (10)

1. The utility model provides a get piece device which characterized in that: the glass plate breaking device comprises a working platform, a breaking cylinder and a gas injection mechanism, wherein a plurality of gas injection through holes are formed in the table top of the working platform, the gas injection through holes are communicated with a gas outlet of the gas injection mechanism and used for floating a glass plate on the working platform, a cylinder body of the breaking cylinder is installed on the feeding side of the working platform, a piston rod of the breaking cylinder is arranged upwards, and a piston rod of the breaking cylinder extends out of the table top of the working platform to convey the glass plate on the working platform to be broken.

2. The film taking device according to claim 1, wherein: the sheet taking device further comprises ejector rods, the number of the breaking-off cylinders is two, the two breaking-off cylinders are arranged at intervals, two ends of each ejector rod are fixedly installed on the end portions of piston rods of the two breaking-off cylinders respectively, and the ejector rods are arranged in parallel to the table top of the working platform.

3. The film taking device according to claim 2, wherein: and an adhesive tape is arranged on the upper surface of the ejector rod.

4. The device of any one of claims 1 to 3, wherein: the air injection through holes are arranged in a matrix and are fully paved on the table top of the working platform.

5. The device of any one of claims 1 to 3, wherein: the distance between two adjacent air injection through holes ranges from 40mm to 60mm, and the diameter of each air injection through hole ranges from 1mm to 5 mm.

6. The device of any one of claims 1 to 3, wherein: the film taking device further comprises a cover plate, an air inlet cavity with an opening is formed in the table top of the working platform, the cover plate is covered on the opening of the air inlet cavity and seals the opening of the air inlet cavity, each air injection through hole is formed in the cover plate, an air inlet hole is formed in the bottom surface of the air inlet cavity, and the air injection mechanism is communicated with the air inlet hole.

7. The film taking device according to claim 6, wherein: the air injection mechanism comprises a fan, the fan is communicated with the air inlet through a pipeline, and a pneumatic shutoff valve and an air valve for controlling air quantity are arranged at the air outlet of the fan.

8. The film taking device according to claim 7, wherein: the sheet taking device further comprises a stop block, and the stop block is slidably mounted on the table top of the working platform and slides in a direction back to the breaking-off cylinder.

9. The film taking device according to claim 8, wherein: the film taking device further comprises a photoelectric switch, the photoelectric switch is mounted on the stop block, and the photoelectric switch is electrically connected with the pneumatic shutoff valve.

10. The device of any one of claims 1 to 3, wherein: four corners of the bottom of the working platform are provided with support legs capable of adjusting the lifting of the table board.

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