CN205630844U - Light guide plate shearing equipment - Google Patents

Abstract

The utility model relates to a light guide plate shearing device, which comprises a frame, an overturning mechanism, a positioning mechanism and a shearing mechanism. The overturning mechanism, the positioning mechanism and the shearing mechanism are arranged on the frame, and the positioning mechanism is located on one side of the overturning mechanism. The shearing mechanism is located above the positioning mechanism. The turning mechanism is used to transport injection molding products, the positioning mechanism is used to position injection molding products, the shearing mechanism is used to cut injection molding products, and the light guide plate cutting equipment can cut out multiple products at the same time through automatic feeding, positioning, cutting and discharging. However, the light guide plate cutting equipment can be connected with the injection molding machine to directly cut the injection molded products, so as to achieve the purpose of batch automatic production, and achieve the effect of improving production efficiency, production quality and yield rate.

Description

A light guide plate cutting device

technical field

The utility model relates to a shearing device, in particular to a light guide plate shearing device.

Background technique

With the development of science and technology, large-size optical flat lenses (light guide plates) are more and more widely used. At present, after the injection molding of large-size optical flat lenses is produced, the injection molding products are generally cut into individual light guide plate products by manual cutting, which is labor-intensive and has a high scrap rate. Not only is it difficult to ensure product quality and improve production efficiency, but also Hygienic requirements are also difficult to guarantee, and it is difficult to realize batch automated production.

Although a device for automatically cutting the light guide plate has been developed, this device cannot be directly connected to the injection molding machine, that is, the injection molding product cannot be smoothly transmitted between the injection molding machine and the cutting process is often interrupted, reducing production efficiency. In order to solve the problem that the injection molding products cannot be transported smoothly, it is necessary to add other equipment to transfer or rely on manpower to transport the injection molding products, which leads to increased costs and cannot achieve true automated production.

Utility model content

Aiming at the deficiencies in the prior art, the purpose of the utility model is to provide a light guide plate cutting device.

In order to solve the above-mentioned technical problems, the present application discloses a light guide plate shearing device, which is characterized in that it includes a frame, an overturn mechanism arranged on the frame, an The positioning mechanism on the side and the shearing mechanism arranged on the frame and above the positioning mechanism, wherein the turning mechanism is used to transport the injection molded product, the positioning mechanism positions the injection molded product, and the shearing mechanism Cutting the positioned injection molded product; wherein the turning mechanism includes: a first turning drive assembly arranged on the frame of the light guide plate shearing equipment; a second turning driving assembly arranged on the first turning driving assembly ; the overturning fixed seat is arranged on the first overturning drive assembly; the third overturning drive assembly is connected to the overturning fixed seat; the material receiving device is connected to the third overturning drive assembly; and the incoming material device is arranged on the described frame, and is located below the material receiving device; wherein the first overturning drive assembly drives the material receiving device to move in the Z direction and absorbs the injection molded products produced by the injection molding machine, and the third overturning drive The component drives the material receiving device to turn over with the Y axis as the rotation center, and the material receiving device sucks the injection molded product located on the material receiving device.

According to an embodiment of the present application, the positioning mechanism further includes a positioning base plate disposed on the frame; a plurality of first positioning drive assemblies disposed on the positioning base plate; a plurality of jig bearing seats respectively disposed on the A plurality of first positioning drive components; a plurality of shearing fixtures, which are respectively arranged on the plurality of fixture bearing seats, and are suitable for injection molding products of different sizes; a plurality of positioning cylinder groups are respectively arranged on the plurality of shearing Fixtures, and respectively position the injection molding products; two second positioning drive assemblies are respectively arranged on the two outermost fixture bearing seats among the plurality of fixture bearing seats, and are located on the plurality of shearing fixture bearing seats. Both sides of the jig; the feeding device is arranged on one of the two second positioning drive assemblies; and a plurality of discharge devices are respectively arranged on the two second positioning drive assemblies and are located at the inlet side of the feeder.

According to an embodiment of the present application, the above-mentioned shearing mechanism includes a driving fixing seat arranged on the frame, a plurality of servo motors arranged on one side of the driving fixing seat, and a plurality of ball wires connected to the plurality of servo motors. Rod, at least one driving slide rail arranged on the other side of the driving fixing seat and between the plurality of ball screw rods, and at least one driving slide rail slidingly arranged on the at least one driving slide rail and connected to the plurality of ball screw rods A plurality of blade assemblies, the plurality of servo motors respectively drive a plurality of ball screws, and the plurality of ball screws drive the plurality of blade assemblies to move downward to cut the injection molded product, and adjust the downward movement of the blade assemblies speed.

Compared with the prior art, the present application can obtain the following technical effects:

The overturning mechanism of the present application drives the material receiving device to move along the Z direction through the first overturning drive assembly to absorb the injection molded product held by the manipulator of the injection molding machine. It improves the previous material receiving device that cannot move up and down, and cannot absorb the manipulator clamp of the injection molding machine. Injection molded products that are not maintained, leading to interruptions in the transfer process and increased production time and cost.

The cutting fixture of the positioning mechanism of the present application is suitable for light guide plates of various sizes, so that the light guide plate shearing equipment can be used to cut light guide plates of various sizes, and there is no need to replace the equipment and the cutting fixture during the cutting process. Effectively shorten production time, improve production efficiency, and reduce equipment costs.

The cutting mechanism of the present application is driven by a servo motor and a ball screw to move the blade, which can accurately adjust the cutting speed of the blade and reduce the rejection rate of the light guide plate.

Through the turning mechanism, positioning mechanism and shearing mechanism, automatic feeding, positioning, cutting and discharging can be achieved, and it can be connected with the injection molding machine to directly cut the injection molding products after injection molding, effectively improving production efficiency, production quality and Yield rate, to achieve the purpose of batch automation production.

Description of drawings

FIG. 1 is a perspective view of an embodiment of a light guide plate cutting device of the present application.

Fig. 2 is a perspective view of an embodiment of the turning mechanism of the present application.

Fig. 3 is a perspective view of an embodiment of the positioning mechanism of the present application.

FIG. 4 is an enlarged view of area A in FIG. 1 .

FIG. 5 is a partially enlarged view of FIG. 3 .

Fig. 6 is a perspective view of an embodiment of the shearing mechanism of the present application.

Fig. 7 is another perspective view of an embodiment of the shearing mechanism of the present application.

Fig. 8 is a diagram of a first use state of an embodiment of the turning mechanism of the present application.

Fig. 9 is a diagram of a second use state of an embodiment of the turning mechanism of the present application.

Fig. 10 is a diagram of the use state of an embodiment of the positioning mechanism of the present application.

Fig. 11 is a use state diagram of shearing of the injection molded product of the present application.

detailed description

A number of implementations of the present application will be disclosed in the following figures. For the sake of clarity, many practical details will be described together in the following description. However, it should be understood that these practical details should not be used to limit the application. That is to say, in some embodiments of the present application, these practical details are unnecessary. In addition, for the sake of simplifying the drawings, some well-known and commonly used structures and components will be shown in a simple schematic manner in the drawings.

The terms "first", "second", etc. used herein do not specifically refer to a sequence or order, nor are they used to limit the present application, but are only used to distinguish components or operations described with the same technical terms. .

Please refer to Fig. 1, which is a perspective view of an embodiment of the light guide plate cutting equipment of the present application; 5 includes a plurality of light guide plates 51 and at least one plastic part 52, at least one plastic part 52 is connected between the plurality of light guide plates 51, so the light guide plate cutting equipment cuts the injection molded product 5 to obtain a plurality of separated light guide plates 51, and remove the plastic parts 52 between the multiple light guide plates 51.

The light guide plate cutting device of the present application includes a frame 1 , a turning mechanism 2 , a positioning mechanism 3 and a cutting mechanism 4 . The turning mechanism 2 , the positioning mechanism 3 and the shearing mechanism 4 are arranged on the frame 1 , the positioning mechanism 3 is arranged on one side of the turning mechanism 2 , and the shearing mechanism 4 is located above the positioning mechanism 3 . The overturning mechanism 2 transmits the injection molded product 5 by way of overturning. The positioning mechanism 3 absorbs the injection molded product 5 located in the turning mechanism 2, and moves and positions the injection molded product 5. The cutting mechanism 4 is used for cutting the injection molded product 5 , separating the multiple light guide plates 51 , and removing the plastic parts 52 between the multiple light guide plates 51 . The injection molded product 5 shown in FIG. 1 of the present application has two light guide plates 51 and a plastic part 52 . The light guide plate cutting equipment suitable for the injection molded product 5 will be described below as an example.

The turning mechanism 2, the positioning mechanism 3 and the shearing mechanism 4 of the present application will be described in detail below. Please refer to FIG. 2 first, which is a perspective view of an embodiment of the turning mechanism 2 of the present application; as shown in the figure, the turning mechanism 2 of the present application is mainly used for light guide plate cutting equipment, and it transfers injection molded products 5 by turning over. The overturn mechanism 2 of the present application comprises a first overturn drive assembly 21, a second overturn drive assembly 22, an overturn fixed seat 23, a third overturn drive assembly 24, a material receiving device 25 and a material incoming device 26, and the first overturn drive assembly 21 sets On the frame 1 of the light guide plate cutting equipment, the second turning drive assembly 22 is arranged on the first turning driving assembly 21, the turning fixing seat 23 is arranged on the second turning driving assembly 22, and the third turning driving assembly 24 is arranged on the turning fixing seat 23 , the material receiving device 25 is arranged on the third turning drive assembly 24 . The first overturn drive assembly 21 drives the second overturn drive assembly 22 to move in the Z direction, the second overturn drive assembly 22 drives the overturn fixing seat 23 and the third overturn drive assembly 24 to move in the Z direction, and the third overturn drive assembly 24 drives The receiving device 25 moves in the Z direction. The material receiving device 25 can also swing on the XY plane, and it drives the turning fixing seat 23 and the third turning driving member 24 to swing on the XY plane through the second turning drive assembly 22, and the third turning driving component 24 drives the material receiving device at the same time. The device 25 swings on the XY plane. The third overturn driving assembly 24 can also drive the material receiving device 25 to overturn with the Y axis as the rotation center.

The above-mentioned first turning drive assembly 21 includes a guide rod 211 and a lifting cylinder 212. The guide rod 211 is passed through the perforation 11 of the frame 1, and one end thereof is connected to the second turning drive assembly 22. The lifting cylinder 212 is arranged on the frame 1 and connected to Guide rod 211. The initial position of the second overturning drive assembly 22 is that the second overturning drive assembly 22 is located on the surface of the frame 1. When the lifting cylinder 212 drives the guide rod 211 to move along the Z direction, the guide rod 211 pushes the second overturning drive assembly 22 in the Z direction. direction, so that the second turning drive assembly 22 moves away from the surface of the frame 1, as shown in FIG. 2, to achieve the purpose of driving the material receiving device 25 to move in the Z direction. Both the second overturning drive assembly 22 and the third overturning drive assembly 24 of the present application use air cylinders, and the present application should not be limited thereto. They can also use servo motors or other drive assemblies to drive the material receiving device 25 to swing and overturn. That is, no more details will be given here. In addition, a bearing 213 is provided between the guide rod 211 and the through hole 11 of the frame 1 , so as to increase the smoothness of the guide rod 211 when moving.

The material receiving device 25 includes a material receiving fixed seat 251 and two sets of material receiving suction head groups 252, each group of material receiving suction head groups 252 includes a plurality of material receiving suction heads 253, and a plurality of material receiving suction heads 253 are arranged on the material receiving fixed seat. Block 251. Two sets of suction head groups 252 respectively absorb the two light guide plates 51 of the injection molded product 5, that is, each light guide plate 51 is absorbed by a plurality of suction heads 253 of the corresponding suction head group 252, thus adding two connection points. The material suction head group 252 absorbs the stability of the injection molded product 5. From the above, it can be seen that the positions of the two sets of suction nozzles 252 on the fixing seat 251 are based on the positions of the two light guide plates 51 of the injection molded product 5 . When the injection molded product 5 is sucked by the two sets of suction heads 252 , the material receiving holder 251 is used to support the injection molded product 5 . The material-receiving fixed seat 251 of the present application is further provided with two support frames 254 , and the two support frames 254 are pivotally mounted on the material-receiving fixed seat 251 , which can rotate relative to the material-receiving fixed seat 251 . When the injection molded product 5 is sucked by the two sets of connecting suction heads 252 , the two support frames 254 abut against the injection molded product 5 , reducing the contact area between the injection molded product 5 and the material receiving fixing seat 251 . When the two sets of suction nozzles 252 are not absorbing the injection molded product 5 , the two support frames 254 can be used to support the injection molded product 5 , increasing the stability of the injection molded product 5 disposed on the material receiving holder 251 .

The incoming material device 26 includes a first incoming material driving assembly 261, a second incoming material driving assembly 262 and an incoming material suction assembly 263. The first incoming material driving assembly 261 is arranged on the frame 1, and the second incoming material driving assembly 262 is arranged on the second incoming material driving assembly 263. An incoming material driving assembly 261. The incoming material suction assembly 263 includes two groups of incoming material suction head groups 264 and incoming material connecting seats 265, the two groups of incoming material suction head groups 264 are arranged on the incoming material connecting seats 265, and the incoming material connecting seats 265 are arranged on the second incoming material driving assembly 262. The first incoming material driving assembly 261 is used to drive the incoming material suction assembly 263 located in the second incoming material driving assembly 262 to move in the X direction, and the second incoming material driving assembly 262 is used to drive the incoming material suction assembly 263 in the Z direction move. The first incoming material drive assembly 261 of the present application uses a rodless cylinder, while the second incoming material drive assembly 262 uses an air cylinder. Of course, the first incoming material drive assembly 261 and the second incoming material drive assembly 262 can use other drive assemblies. For example, the servo motor and the screw rod only need to drive the two groups of incoming suction head groups 264 to move in the X direction and the Z direction.

Wherein the positions of the two groups of incoming material suction head groups 264 of the incoming material device 26 correspond to the positions of the two groups of material receiving suction head groups 252, and each group of incoming material suction head groups 264 includes a plurality of incoming material suction head groups 266. In this application Among them, the number of incoming material suction heads 265 is the same as the number of incoming material suction heads 253, and a plurality of incoming material suction heads 266 correspond to a plurality of material receiving suction heads 253. The multiple receiving suction heads 253 convey the stability of the injection molded product 5, which is only a preferred embodiment of the present application. If the quantity of incoming material suction head 265 is inconsistent with the quantity of receiving material suction head 253 or when a plurality of incoming material suction heads 266 and a plurality of material receiving suction heads 253 are not set correspondingly, a plurality of incoming material suction heads 266 and a plurality of connecting material suction heads The injection molded product 5 can still be transported between the material suction heads 253.

The material receiving and fixing seat 251 of the above-mentioned material receiving device 25 further includes at least one positioning central axis 255, and the positioning central axis 255 is located at the center of the two sets of incoming material suction head groups 264. When absorbing, the center position of the injection molded product 5 faces the positioning central axis 255 to ensure that the injection molded product 5 is correctly absorbed by the two sets of suction nozzles 252, and avoid the deviation of the injection molded product 5 due to incorrect adsorption, which will lead to subsequent Process errors.

Referring to Fig. 3 again, it is the perspective view of an embodiment of the positioning mechanism 3 of the present application; Seat 32, two shearing fixtures 33, two positioning cylinder groups 34 and two second positioning drive components 35, feeding device 36 and two discharging devices 37. The positioning base plate 30 is disposed on the frame 1 , as shown in FIG. 1 , two first positioning drive assemblies 31 are disposed on the positioning base plate 30 and arranged symmetrically. The two jig bearing seats 32 are respectively disposed on the two first positioning driving assemblies 31 , and the two first positioning driving assemblies 31 respectively drive the corresponding jig carrying seats 32 to move in the Y direction.

Each of the above-mentioned first positioning drive assemblies 31 includes at least one guide rail 311 and a first driving member 312, at least one guide rail 311 is arranged on the positioning base plate 30, and the two fixture bearing seats 32 are respectively arranged on the corresponding at least one guide rail 311, and respectively Connect to the corresponding first driving member 312 . The number of guide rails 311 of each first positioning drive assembly 31 in one embodiment of the present application is two, of course, the number of guide rails 311 can also be three or more, and will not be repeated here, the more the number of guide rails 311, The jig carrier 32 can slide on the guide rail 311 stably.

The two cutting jigs 33 are respectively placed on the two jig bearing seats 32 , and the corresponding two sides of the two cutting jigs 33 are respectively aligned with the inner edge of each jig bearing seat 32 . When the two first positioning driving components 31 drive the corresponding jig bearing base 32 to move in the Y direction, the two jig bearing bases 32 also simultaneously drive the two shearing jigs 33 to move in the Y direction. The distance between the two shearing fixtures 33 can also be adjusted according to the distance between the two light guide plates 51 and through the two first positioning drive components 31, that is, the distance between the two shearing fixtures 33 depends on the distance between the two light guide plates. The width of the plastic part 52 between 51 can be adjusted. Adjusting the distance between the two shearing fixtures 33 mainly adjusts the distance between the two fixture bearing seats 32. One side of the two fixture bearing seats 32 of the present application has a scale 321, and the scale 321 is arranged on the positioning base plate 30 , the two fixture bearing seats 32 face the scale of the scale 321, and the scale 321 can measure the distance between the two fixture bearing seats 32, and the two fixture bearing seats 32 can also be adjusted according to the scale of the scale 321. The distance between two jig bearing seats 32 is to improve the accuracy of adjusting the distance between two jig bearing seats 32.

The two shearing fixtures 33 of the present application are suitable for injection molded products 5 of different sizes, that is, the shearing fixtures 33 do not need to be replaced according to the size of the two light guide plates 51 of the injection molded product 5, so there is no need to replace the shearing fixtures during the positioning process. Tool 33 shortens production time and effectively improves production efficiency. The two sets of positioning cylinders 34 are respectively arranged on the two shearing fixtures 33 , each set of positioning cylinders 34 includes a plurality of pen-shaped cylinders 341 arranged on one side of the corresponding shearing fixture 33 . When the injection molded product 5 is set on the two shearing fixtures 33 , a plurality of pen-shaped air cylinders 341 position the edges of the injection molded product 5 to ensure that the injection molded product 5 is located at the correct position of the two shearing fixtures 33 . Because the shearing fixture 33 can be applicable to injection molded products 5 of different sizes, so the injection molded product 5 of each size can be accurately positioned at the correct position of the two shearing fixtures 33 through a plurality of pen-shaped cylinders 341 .

The two second positioning driving assemblies 35 are respectively disposed on the two jig bearing seats 32 , and are respectively close to the outer edges of the two jig loading seats 32 , and are located on both sides of the two shearing jigs 33 . The above-mentioned positioning cylinder group 34 can pass through the corresponding second positioning driving assembly 35, each second positioning driving assembly 35 includes a second driving member 351 and a telescopic seat 352, and the second driving member 351 is arranged on the corresponding jig bearing seat 32 , and connect the telescopic seat 352 to drive the telescopic seat 352 to perform telescopic movement in the X direction.

Referring to Fig. 1 and Fig. 3 simultaneously, feeding device 36 is arranged on one of two second positioning drive assemblies 35, and is adjacent to turning mechanism 2, as can be seen from Fig. 1, feeding device 36 of the present application is arranged on drawing in Fig. 1 On the second positioning drive assembly 35 on the right side. Please also refer to Fig. 3, which is an enlarged view of the A region of Fig. 1; The material driving part 361 is arranged on the telescopic seat 352 of the second positioning drive assembly 35, one end of the feeding connecting seat 362 is connected to the feeding driving part 361, and two groups of feeding suction head groups 363 are arranged on the other end of the feeding connecting seat 322, They are spaced apart from each other, and are respectively adsorbed on the two light guide plates 51 of the injection molded product 5 . The feeding driver 361 drives the feeding connecting seat 362 to move in the Z direction, so the feeding connecting seat 362 also drives the two groups of feeding suction heads 363 to move in the Z direction. Each group of feeding nozzles 363 above includes a plurality of feeding nozzles 364, which also means that each light guide plate 51 is adsorbed by a plurality of feeding nozzles 364 of the corresponding feeding nozzle group 363. The quantity of the feeding suction head 364 for absorbing each light guide plate 51 is used so that the injection molded product 5 is firmly absorbed, and the injection molded product 5 will not fall off during the transmission process.

The above-mentioned feed connection seat 362 is engraved with a scale 365, as shown in Figure 2, the distance between the two groups of feed suction head groups 363 is adjusted according to the distance between the two light guide plates 51 of the injection molded product 5, and the two groups of feed suction head groups 363 are adjusted according to the distance between the two light guide plates 51 of the injection molded product One of the groups of head groups 363 is adjusted corresponding to the scale engraved on the feeding connection seat 362, to improve the accuracy of adjusting the distance between the two groups of feeding suction head groups 363, so that each group of feeding suction head groups 363 can absorb The corresponding light guide plate 51.

Referring to Fig. 5 again, it is a partial enlarged view of Fig. 3; as shown in the figure, two discharge devices 37 are respectively arranged on the second positioning drive assembly 35, and are arranged symmetrically, and are positioned on one side of the feeding device 36 , is also adjacent to the shear mechanism 4, as shown in Figure 1. Each discharge device 37 comprises a discharge driver 371, a discharge connecting seat 372 and a discharge suction pen group 373, the discharge driver 371 is arranged on the telescopic seat 352 of the second positioning drive assembly 35, and the One end is connected to the discharge driving member 371 , and the other end is provided with a discharge suction head group 373 . The two discharge suction head groups 373 of the two discharge devices 33 are respectively located above the corresponding jig holders 32 , and the discharge suction head group 373 includes a plurality of discharge suction heads 374 .

Referring to FIG. 1 and FIG. 10 together, the positioning bottom plate 30 of the present application further includes a discharge opening 38 , and the discharge opening 38 is located between the two fixture bearing seats 32 . The frame 1 of the present application also includes a discharge pipeline 10, and the discharge pipeline 10 is communicated with the discharge port 38, and the remaining waste (that is, the plastic part 52 between the two light guide plates 51) after the shearing is completed from the discharge Port 38 and discharge line 10 are discharged. The first driving part 312 of the present application uses a servo motor and a screw mandrel, and the second driving part 351, the feeding driving part 361 and the discharging driving part 371 use a cylinder. This application should not be limited to this, and other driving parts can also be used. components, to drive the jig bearing seat 32 to move in the Y direction, to drive the feeding device 32 and the discharge device 33 to move in the X direction, and to drive two groups of feeding suction head groups 363 and two groups of discharging suction head groups 373 in the Y direction. It only needs to move in the Z direction, and will not be repeated here.

Please refer to Fig. 6 and Fig. 7, which is a perspective view of an embodiment of the shearing mechanism 4 of the present application; A ball screw 43, a driving slide rail 44 and two blade assemblies 45, a driving fixing seat 41 is arranged on the frame 1 of the light guide plate shearing equipment (as shown in FIG. 1 ), and two servo motors 42 are arranged on the driving fixing seat One side of 41, one end of two ball screws 43 are respectively connected with two servo motors 42, and the driving slide rail 44 is arranged on the other side of the drive fixing base 41, and is located between the two ball screws 43. Each blade assembly 45 is slidably arranged on the drive slide rail 44 and is connected to the corresponding ball screw 43, which includes a slide block 451, a blade holder 452 and a blade 453. The slide block 451 is slidably arranged on the drive slide rail 44, and is connected to the corresponding The ball screw 43 is connected. The blade fixing seat 452 is disposed below the slider 451 , the blade 453 is disposed on the blade fixing seat 452 , and its tip 454 is aligned with the corresponding inner edge of the shearing fixture 30 located in the positioning mechanism 3 (as shown in FIG. 1 ).

The above-mentioned servo motor 42 drives the ball screw 43, and the ball screw 43 drives the slider 451 to move in the Z direction, and the slider 451 drives the blade 453 arranged on the blade fixing seat 452 to move in the Z direction, so as to be arranged on the two scissors. The injection molded product 5 of the cutting tool 30 is cut. The shearing mechanism 4 of the present application uses the servo motor 42 and the ball screw 43 to drive the blade assembly 45 to cut the injection molded product 5, and it can adjust the shearing speed of the blade assembly 45 without additional buffer assemblies to achieve high precision. control. The above-mentioned servo motor 42 is controlled by a PLC controller.

Furthermore, the blade fixing seat 452 of the present application has a blade accommodation opening 455, and each blade assembly 45 also includes a blade pressing plate 456. When the blade 453 is arranged in the blade accommodation opening 455, the blade pressing plate 456 is arranged on the blade fixing seat 452, and cover the blade accommodating opening 455, so that the blade pressing plate 456 and the blade fixing seat 452 clamp the blade 453, and the blade pressing plate 456 limits the blade 453 on the blade fixing seat 452, so as to prevent the blade 453 from skewing or falling from the blade during the cutting process. The blade holder 452 is loosened. The above is only one embodiment of the present application, and the blade fixing seat 452 can be fixed in other ways, as long as the purpose of fixing the blade 453 is achieved.

In addition, the blade fixing seat 452 of the present application is also embedded with a heat pipe 457, and the heat pipe 457 heats the blade 453 arranged on the blade fixing seat 452. After the blade 453 is heated to a certain temperature, the servo motor 42 and the ball screw 43 drive The heated blade 453 cuts the injection molded product 5, and the injection molded product 5 is cut by the heated blade 453, which can prevent the injection molded product 5 from sticking to the blade 453, and make the edge of the cut light guide plate 51 clean Neat, but also prolong the service life of the blade 453. The side surface of the blade holder 452 provided with the heat pipe 457 is also provided with a heat shield 458 to prevent the operator from directly contacting the blade holder 452 being heated, and to avoid the operator being scalded.

The driving slide rail 44 of the present application is also provided with a plurality of photoelectric switches 46 corresponding to the plurality of sliders 451 of the plurality of blade assemblies 45 , and each photoelectric switch 46 senses the position of the corresponding slider 451 . When the photoelectric switch 46 senses that the slider 451 moves downward along the driving slide rail 44, the heating tube 457 is started to heat the blade 453; when the photoelectric switch 46 sensing slider 451 moves upward along the driving slide rail 44, the heating tube is stopped 457 heats the blade 453 . Both the heating tube 457 and the photoelectric switch 46 are controlled by a PLC controller, and the PLC controller controls the heating tube 457 according to the signal generated by the photoelectric switch 46 .

Each blade assembly 45 also includes a blade angle adjustment plate 459, the blade angle adjustment plate 459 is arranged between the slide block 451 and the blade holder 452, to adjust the angle of the blade holder 452 relative to the slide block 451, and then adjust the angle of the blade 453 .

The detailed structures of the turning mechanism 2 , the positioning mechanism 3 and the cutting mechanism 4 of the light guide plate shearing device have been described above. The following describes the operation mode of the light guide plate shearing equipment. Referring again to FIG. 1 and FIG. Above the fixed seat 251, it is used to absorb the injection molded product 5 clamped by the manipulator of the injection molding machine. Next, the first turning drive assembly 21 of the turning mechanism 2 drives the two groups of material-connecting suction heads 252 to move to the corresponding height according to the height from the manipulator of the injection molding machine to the frame 1, and the two groups of material-connecting suction heads 252 are sucked by the injection molding machine The injection molded product 5 clamped by the manipulator, each group of material-connecting suction head group 252 absorbs the light guide plate 51 of the corresponding injection molded product 5, as shown in FIG. 8 . The third overturning drive assembly 24 overturns the material receiving fixed seat 251, so that the injection molded product 5 adsorbed on the two groups of material receiving suction head groups 252 is turned over to the bottom of the material receiving fixed seat 251. At the same time, the first incoming material driving assembly 261 and the second The incoming material drive assembly 262 controls the two groups of incoming material suction heads 264 to move in the X direction and the Z direction respectively, so that the two groups of incoming material suction heads 264 move to the bottom of the second group of receiving suction head groups 252 that absorb the injection molded product 5 . Afterwards, the two groups of incoming material suction heads 264 directly absorb the two light guide plates 51 of the injection molded product 5 , as shown in FIG. 9 . It can be seen from the above that the turning mechanism 2 of the present application uses the turning method to transfer the injection molded product 5, so as to facilitate the follow-up process of the injection molded product 5, and further reduce manual operations, achieve the purpose of automation, and increase the overall production efficiency. In addition, the turning mechanism 2 of the present application is provided with a first turning drive assembly 21, so that the two sets of suction head groups 252 can move to the position of the manipulator of the injection molding machine, so that the injection molding machine can transfer the injection molded product 5 to the turning mechanism 2 smoothly. , to achieve fully automatic, continuous processing and improve production efficiency.

Then, the two groups of feeding suction head groups 363 of the positioning mechanism 3 are controlled to move in the X direction and the Z direction through the second positioning drive assembly 35 and the feeding driving member 361, so that the two groups of feeding suction head groups 363 are moved to the position where Turn over the top of the injection molded product 5 on the mechanism 2, and absorb two light guide plates 51 respectively. After the two groups of feeding suction head groups 363 absorb the injection molding product 5, the second positioning drive assembly 35 and the feeding driving member 361 control the two groups of feeding suction head groups 363 adsorbing the injection molding product 5 to move in the X direction and the Z direction, and Move to the top of the two shearing fixtures 33, and place the two light guide plates 51 of the injection molded product 5 on the two shearing fixtures 33, and make the plastic part 52 between the two light guide plates 51 located on the two shearing fixtures. There are 33 cutting tools, as shown in Figure 10. At this time, the positioning cylinder group 34 arranged on one side of each shearing fixture 33 positions the injection molded product 5 on the two shearing fixtures 33 to ensure that the injection molded product 5 is positioned at the correct position of the two shearing fixtures 33. In terms of position, it is avoided that the injection molded product 5 cannot be cut correctly subsequently because the injection molded product 5 is not correctly positioned on the two shearing jigs 33 .

Finally, referring to Fig. 1, Fig. 6 and Fig. 7, the servo motor 42 and the ball screw 43 drive the blade 453 to move downward. When the blade 453 moves downward, the photoelectric switch 459 senses the downward movement of the slider 451 and sends a signal. To the PLC controller, the PLC controller starts the heating tube 458 according to the signal, and the heating tube 458 heats the blade 453 arranged on the blade fixing seat 452, so that the blade 453 is heated to certain temperature. The heated blade 453 cuts the injection molded product 5 to separate the second light guide plate 51 from the plastic part 52, and the plastic part 52 is discharged from the discharge port 319 of the positioning mechanism 3 and the discharge pipeline 10 of the frame 1, as shown in the figure 11. Thereafter, when the servo motor 42 and the ball screw 43 drive the blade 453 to move upward, the photoelectric switch 46 senses that the slider 451 moves upward, and sends a signal to the PLC controller, and the PLC controller closes the heating tube 458 according to the signal, and the heating tube 458 stops heating the blade 453 .

While the shearing mechanism 4 is cutting the injection molded product 5, referring to FIG. 3 together, the second positioning drive assembly 35 and the two discharge drive members 371 drive the two discharge suction head groups 373 in the X direction and the Z direction. Move up, and make the two groups of discharge suction head groups 373 move to the top of the two shearing jigs 33 . The two sets of discharge nozzles 373 adsorb the two light guide plates 51 located on the two shearing fixtures 33, and the second positioning drive assembly 35 and the discharge driver 371 drive the two discharge nozzles 373 in the X direction and Move in the Z direction to discharge the two light guide plates 51 from the light guide plate cutting device.

When the two sets of discharge nozzles 373 absorb the two light guide plates 51 located on the two shearing fixtures 33, the two second positioning drive components 35 drive the two discharge nozzles 373 to move in the X direction, At the same time, it also drives the two groups of feeding suction heads 363 to move in the X direction and move to the turning mechanism 2 . When the two sets of discharge suction heads 373 absorb the two light guide plates 51 , the two sets of feeding suction heads 363 can also absorb the injection molded products 5 located in the turning mechanism 2 at the same time. When the two second positioning drive assemblies 35 drive the two sets of discharge suction head groups 373 to the discharge position, the second positioning drive assembly 35 also drives the two sets of feed suction head groups 363 for absorbing the injection molded product 5 to move to the two shearing points. Above the jig 33, two sets of feeding and suction head groups 363 place the injection molded product 5 on the two shearing jigs 33 to facilitate subsequent shearing processing, achieve simultaneous feeding and discharging, continuous processing, and increase production efficiency the goal of.

The number of the above-mentioned receiving and incoming material suction head groups can be determined according to the number of light guide plates included in the injection molding product, which also means that the above-mentioned material receiving and incoming material suction head groups can be two or three One group, four groups or more groups, that is, each light guide plate is adsorbed by a group of receiving nozzles and incoming nozzles, and will not be repeated here. Of course, the number of the above-mentioned material-connecting nozzle groups and incoming material nozzle groups can only be enough to stably transport the injection molded products. For example, an injection-molded product including three light guide plates connected only has two groups of material-connecting nozzle groups and two groups of incoming materials. The tip group absorbs.

The quantity of the above-mentioned discharge device, jig bearing seat, first positioning drive assembly, shearing jig and positioning cylinder is mainly determined by the number of light guide plates of the injection molded product, for example: there are three light guide plates of the injection molded product, so it is required Three shearing fixtures, three fixture bearing seats carry three shearing fixtures respectively, and each fixture bearing seat needs to be driven by a first positioning drive assembly to adjust the distance between every two shearing fixtures , There is a positioning cylinder next to each shearing fixture to position the injection molded product on the shearing fixture. Finally, in order to discharge three light guide plates at the same time, three discharge devices are required. The above is only another embodiment of the present application, and it also means that the positioning mechanism of the present application is not only used for injection molding products including two light guide plates, but can also be used for injection molding products including multiple light guide plates. Components can be fine-tuned. When there are three or more jig bearing seats, the two second positioning drive assemblies are respectively arranged on the two outermost jig bearing seats among the plurality of jig bearing seats.

In the above embodiments, since the injection molded product to be cut only includes two light guide plates, it only includes two blade assemblies, two servo motors, two ball screws and one driving slide rail. If the injection molding product to be cut includes three or more light guide plates, it is also necessary to increase the number of knife components, servo motors, ball screws and drive slide rails. Further, the number of knife components, servo motors, ball The number of screw rods and driving slide rails corresponds to the number of light guide plates included in the injection molding product, so as to achieve the purpose of simultaneously cutting the injection molding product to obtain multiple light guide plates.

The above-mentioned multiple receiving suction heads, multiple incoming material suction heads, multiple feeding suction heads and multiple discharge suction heads are respectively connected to the cylinder, and driven by the cylinder, the multiple material receiving suction heads, multiple incoming material suction heads Head, multiple feeding suction heads and multiple discharge suction heads to achieve the purpose of vacuum adsorption. The first overturning drive assembly, the second overturning drive assembly, the first incoming material drive assembly, the second incoming material drive assembly, the first positioning drive assembly, the second positioning drive assembly, the first drive member, the second drive member, the feed The material driving parts, discharge driving parts and positioning cylinders are all controlled by the PLC controller to achieve the purpose of automation.

The overturning mechanism of the present application has a first overturning drive assembly, a second overturning drive assembly, and a third overturning drive assembly to respectively control the material receiving device to move along the Z direction, swing with the Z axis as the rotation center, and perform overturn with the Y axis as the rotation center , the feature of this application is that it drives the material receiving device to move along the Z direction through the first turning drive assembly to absorb the injection molded product held by the manipulator of the injection molding machine. The injection molded products held by the manipulator lead to interruption of the transmission process and increase the production time and cost.

The cutting fixture of the positioning mechanism of the present application is suitable for light guide plates of various sizes, so that the light guide plate shearing equipment can be used to cut light guide plates of various sizes, and there is no need to replace the equipment and the cutting fixture during the cutting process. Effectively shorten production time, improve production efficiency, and reduce equipment costs. The positioning mechanism of the present application is provided with a scale on the side of the multiple jig bearing seats, and a scale is also engraved on the feed connecting seat, so as to improve the adjustment of the distance between multiple shearing jigs and the multiple groups of feeding suction heads in the feeder. The accuracy of the position of the material connection seat.

The cutting mechanism of the present application is driven by a servo motor and a ball screw to move the blade, which can accurately adjust the cutting speed of the blade and reduce the rejection rate of the light guide plate.

To sum up, in one or more embodiments of the present application, the automatic feeding, positioning, cutting and discharging can be achieved through the turning mechanism, positioning mechanism and shearing mechanism, and can be connected with the injection molding machine to directly complete the injection molding Cutting processing of high-quality injection molding products can effectively improve production efficiency and yield rate, and realize the purpose of batch automation production.

The above description is only the embodiment of the present application, and is not intended to limit the present application. For those skilled in the art, various modifications and changes may occur in this application. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included within the scope of the claims of the present application.

Claims (10)

1. A light guide plate shearing device, characterized in that it comprises a frame, an overturning mechanism arranged on the frame, a positioning mechanism arranged on the frame and on one side of the overturning mechanism, and a positioning mechanism arranged on the side of the overturning mechanism. The frame and the shearing mechanism located above the positioning mechanism, wherein the turning mechanism is used to transport the injection molded product, the positioning mechanism positions the injection molded product, and the shearing mechanism cuts the positioned Injection products; Wherein said turning mechanism comprises: The first turning drive assembly is arranged on the frame of the light guide plate cutting equipment; a second overturning drive assembly, arranged on the first overturning drive assembly; a flip fixing seat, arranged on the first flip drive assembly; The third turning drive assembly is connected to the turning fixing seat; a material receiving device, connected to the third turning drive assembly; and The feeding device is arranged on the frame and is located below the receiving device; Wherein the first overturn drive assembly drives the material receiving device to move in the Z direction and absorbs the injection molded products produced by the injection molding machine, and the third overturn drive assembly drives the material receiving device to rotate around the Y axis Turning over, the feeding device sucks the injection molded product located in the receiving device. 2. The light guide plate cutting device according to claim 1, wherein the first overturning drive assembly further comprises: a guide rod passing through the frame and connected to the second turning drive assembly; and The lifting cylinder is connected to the guide rod and is used to drive the guide rod to move on the Z axis, and the guide rod drives the material receiving device to move on the Z axis; Wherein said receiving device also includes: The material receiving fixing seat is arranged on the turning drive device; and A plurality of sets of material-connecting suction heads are arranged on the material-connecting fixing seat, and respectively absorb a plurality of light guide plates of the injection-molded product; Wherein said incoming material device also includes: The first incoming material driving component is arranged on the frame; The second incoming material driving assembly is arranged on the first incoming material driving assembly; and The incoming material suction component is arranged on the second incoming material driving component; Wherein the first incoming material driving assembly is used to drive the incoming material suction assembly to move in the X direction, and the second incoming material driving assembly is used to drive the incoming material suction assembly to move in the Z direction; Wherein said incoming material suction assembly also includes: an incoming material connecting seat, arranged on the second incoming material driving assembly; and A plurality of incoming material suction head groups are arranged on the incoming material connecting seat; Wherein the plurality of incoming suction tip groups correspond to the plurality of receiving suction tip groups respectively. 3. The light guide plate cutting device according to claim 2, further comprising: At least one positioning central axis is arranged on the material receiving fixed seat, and is located at the center of every two groups of material receiving suction heads. 4. The light guide plate cutting device according to claim 1, wherein the positioning mechanism further comprises: Position the bottom plate and set it on the frame of the light guide plate cutting equipment; A plurality of first positioning drive components are arranged on the positioning bottom plate; A plurality of jig bearing seats are respectively arranged on the plurality of first positioning drive components; A plurality of shearing fixtures are respectively arranged on the plurality of fixture bearing seats, and are suitable for injection molding products of different sizes; Multiple sets of positioning cylinders are respectively arranged on the plurality of shearing fixtures, and respectively position the injection molded products; Two second positioning drive assemblies are respectively arranged on the two outermost jig bearing seats among the plurality of jig bearing seats, and are located on both sides of the plurality of shearing jigs; a feeding device arranged on one of the two second positioning drive assemblies; and A plurality of discharge devices are respectively arranged on the two second positioning drive assemblies and located on one side of the feed device. 5. The light guide plate cutting device according to claim 4, wherein the feeding device further comprises: The feeding drive member is arranged on the second positioning drive assembly; a feed connection seat, one end of which is connected to the feed drive; and Multiple sets of feed suction head groups are respectively arranged at the other end of the feed connection seat and are spaced apart from each other, Each set of feeding tips includes a plurality of feeding tips; wherein the feed drive is a cylinder; Wherein the feeding connection seat further includes a scale, and at least one of the multiple sets of feeding suction head groups is aligned with the scale; Wherein said each discharge device also includes: The discharge drive member is arranged on the second positioning drive assembly; a discharge connecting seat, one end of which is connected to the discharge driving member; and The discharge suction head group is arranged at the other end of the discharge connection seat and includes a plurality of discharge suction heads; Wherein the discharge driving member is an air cylinder. 6 . The light guide plate cutting device according to claim 5 , wherein the distance between the plurality of cutting fixtures is adjusted according to the distance between the plurality of light guide plates of the injection molding product. 7 . The light guide plate cutting device according to claim 5 , wherein the positioning bottom plate further comprises a discharge opening, and the discharge opening is located between the plurality of jig bearing seats. 8 . 8. The light guide plate cutting device according to claim 5, further comprising a scale, the scale is arranged on the positioning base plate, and the plurality of jig bearing seats are aligned with the scale of the scale . 9. The light guide plate shearing device according to claim 1 or 4, wherein the shearing mechanism comprises a drive fixing seat arranged on the frame of the light guide plate cutting device, a drive fixing seat arranged on the drive fixing seat A plurality of servo motors on one side, a plurality of ball screws connected to the plurality of servo motors, at least one driving slide rail and sliding rails arranged on the other side of the drive fixing seat and between the plurality of ball screws A plurality of blade assemblies arranged on the at least one driving slide rail and connected to the plurality of ball screws, the plurality of servo motors respectively drive a plurality of ball screws, and the plurality of ball screws drive the plurality of blade assemblies The downward movement cuts the injection molded product and adjusts the speed at which the blade assembly moves downward. 10. The light guide plate cutting device according to claim 9, wherein each blade assembly further comprises: The slider is slid on the corresponding driving slide rail and connected with the corresponding ball screw; The blade fixing seat is arranged below the slider; and The blade is arranged on the blade fixing seat; Wherein each blade assembly further includes a heat pipe, and the heat pipe heats the blade; Each of the blade assemblies further includes a heat shield, and the heat shield covers the side surface of the blade holder with the heat pipe; It also includes a plurality of photoelectric switches, the plurality of photoelectric switches are arranged on the driving slide rail, and respectively sense the positions corresponding to the sliders.