KR20220021568A - System and method for injection process - Google Patents

Abstract

The present invention relates to an injection process system that can easily transport a molded product that has been injection-molded in an injection device to an external printing device, thereby improving work efficiency and an injection process method thereby. More specifically, the present invention relates to an injection process system that can be easily installed even in a narrow space by providing a raw material injection device and a drying device for providing and drying a plastic raw material provided to the injection device in a space different from the injection device, can easily perform printing processing by adsorbing the molded product that is injected in the vertical direction and then transporting the molded product to be provided on a transport rail horizontally, and can improve work efficiency and work stability and an injection process method thereby.

Description

Injection process system {SYSTEM AND METHOD FOR INJECTION PROCESS}

The present invention relates to an injection process system and an injection process method through which a molded article that has been injection-molded in an injection device can be easily transferred to an external printing device, thereby improving work efficiency, and more particularly, The raw material injection device and drying device for supplying and drying the plastic raw material provided to the injection device can be provided in a space different from the injection device, so that it can be easily installed in a narrow space, and it can absorb the molded products injected in the vertical direction. It relates to an injection process system and an injection process method through which a molded article can be transferred to be provided on the transfer rail horizontally to the rear transfer rail, so that printing can be easily performed, and work efficiency and work stability can be improved.

In general, the injection process fills a cavity in a press mold with a plastic raw material, then presses the plastic material at a high temperature to solidify it corresponding to the cavity shape, and after a waiting time, the injection molded product is extracted from the press mold to produce a molded product. .

However, when the size of the molded product is small, the molded product is easily bounced out of the press mold during extraction, and a large amount of molded products can be manufactured quickly. There is a problem in that it is difficult to transfer to a post-processing device such as a printing device that can be used.

In particular, when a large-sized and injected molded product such as a panel cannot be quickly extracted from the injection device, the finished molded product is placed in the injection device, significantly reducing work efficiency, and injecting the next molded product in a state where the molded product cannot be completely ejected. Problems such as failure of the injection device and defective molded products may also occur.

Furthermore, in the case of the prior art, only the technology for the injection apparatus and the injection method for performing injection molding in the injection process are mainly disclosed, and the technology for the injection process system and the injection process method for performing the injection process have not been developed. am.

Republic of Korea Patent Publication No. 10-2019-0063900 "Laser cutting automatic manufacturing system of insert injection molding" Republic of Korea Patent Registration No. 10-0711544 "Injection molding method of plastic injection molding having a solid surface and a low foaming interior"

The present invention is to solve the above-described problems, an injection process system that can easily transfer a molded product after injection molding in an injection device to an external printing device, thereby improving work efficiency, and an injection process through the same The purpose is to provide a method.

In addition, an injection process system that can be easily installed in a narrow space by providing a raw material injection device and a drying device for providing and drying the plastic raw material provided to the injection device in a space different from the injection device, and an injection process through the same The purpose is to provide a method.

In addition, after adsorbing the molded product to be injected in the vertical direction, it is transported so that it is provided on the transport rail horizontally on the transport rail, so that the molded article is transported to facilitate printing processing, and an injection process that can improve work efficiency and work stability An object of the present invention is to provide a system and an injection process method therethrough.

In addition, the molded article can be transferred from the device performing each injection process step so that the injection process can be easily performed, and the molded article transferred to the printing device can be arranged in an appropriate position so that the molded article can be printed at a designated position An object of the present invention is to provide an injection process system and an injection process method that can improve work efficiency by performing the injection process, increase the degree of completion of the molded product, and significantly reduce the production of defective products.

The problems to be solved by the present invention are not limited to the problems mentioned above, and other problems not mentioned will be clearly understood by those skilled in the art from the following description.

In an injection process system capable of injecting a molded article through a plastic raw material in the present invention in order to solve the above problems,

A raw material injection device for providing a plastic raw material, a drying device for drying the plastic raw material provided to the raw material injection device, an injection device for injecting a molded product from a plastic raw material, and a transport device for moving the molded product injected from the injection device to a transport rail Consists of, characterized in that the transfer device detects the molded article that has been injection-molded by the injection device, and transfers the molded article located inside the injection device to the transfer rail.

In addition, the injection process system is additionally provided with a printing device for performing printing processing by introducing the molded article moved through the transfer rail into the inside, and the raw material injection device includes a raw material inlet through which a plastic raw material is put, and a raw material inlet from the raw material inlet. It is composed of a raw material transport pipe that transports the plastic raw material drawn into the inside to the injection device side, and the drying device is coupled with the raw material transport pipe to communicate with the inside, and the plastic raw material from which moisture has been removed by providing warm air to the inside of the raw material transport pipe An air circulation port communicating with the outside is provided on one side and the other side of the raw material conveying pipe in contact with the drying device, respectively, and the drying device provides hot air to the air circulation port on one side, and the other side A pair of hot air containing moisture is discharged to the outside through the air circulation port of of press mold; A press shaft provided on the outside of one press mold among the pair of press molds to horizontally move the press mold to combine and separate the pair of press molds, and is provided in the center of the fixed press mold, wherein A raw material supply pipe for supplying a plastic raw material to the cavity in the press mold that is connected to the raw material transfer pipe, an ejector that separates the injection-molded product in the press mold that is combined from the press mold, and a control unit for controlling the driving of the press mold and a fixed frame provided along the upper side from both sides of the injection device and the transfer device, and a moving frame provided on the upper surface of the fixed frame to move the upper surface of the fixed frame in a lateral direction; It is combined with the moving frame to elevate, adsorbs the molded article, and consists of an adsorption frame for transporting the adsorbed molded article according to the movement of the moving frame, wherein the moving frame includes a first moving module and a second moving module, , The first moving module passes through the moving frame in the longitudinal direction, the second moving module is coupled to the first moving module and moves in the longitudinal direction along the extension direction of the first moving module, the adsorption frame is provided on the lower side of the second moving module and elevating and lowering the frame coupler, and a lifting rail guiding the frame coupler and the second moving module to vertically pass through the frame coupler and elevate in a direction extending from the frame coupler; It is provided on one side of the frame coupling port and is coupled to the rotating part and the outer surface of the rotating part, and is directly adsorbed and separated from the molded article to adsorb the molded article injection molded by the injection device, and to separate and transfer the molded article from the upper side of the transfer rail Consisting of a sphere, the printing device has an inlet formed at the end of the moving direction of the transport rail to receive a molded product inside, and the molded product that has been printed through the printing device is discharged through the outlet, and is printed by irradiating a laser A laser irradiation unit that performs processing, and an irradiation unit guide rail that moves the laser irradiation unit to selectively perform printing processing among the upper and both sides of the molded article and an alignment unit for aligning the position of the molded article introduced into the interior through the inlet, wherein the laser irradiation unit has a panel shape, and is coupled to one surface opposite to the molded article to irradiate a laser and the upper end of the irradiation module It is provided on the inside, and is formed to be recessed in a grid pattern on one surface of the laser irradiation part, and consists of an irradiation module moving rail in which the irradiation module is moved along the inside.

In the injection process method using the above-described injection process system,

A raw material injection step of injecting a plastic raw material into a raw material injection device, a drying step of drying the plastic raw material injected through the raw material injection step, an injection step of injecting a molded product from an injection device with the provided plastic raw material, and in the injection step It consists of a transfer step of transferring the produced molded product to a transfer rail.

In addition, after the transfer step, a printing step of performing printing processing on the molded article provided through the transfer rail is additionally included, and the injection step includes a mixing step in which a press mold is combined, and a cavity formed inside the combined press mold. A raw material supply step of providing a molten plastic raw material to the molten plastic raw material, an injection molding step of performing injection molding by pressing and cooling the molten plastic raw material, and when a molded product is injected through the injection molding step, the combined press mold is separated and a mold and molded product separation step of separating the molded product from the press mold through an ejector, and a check step of detecting whether the press mold and the molded product are easily separated in the mold and molded product separation step through a mold interlayer sensor, and the When it is confirmed that the molded product is sufficiently separated from the press mold in the check step, a transport signal sending step of requesting transport of the molded product to the transport device is included, and the transporting step is performed through the transport signal sending step, and the The transfer step includes a signal receiving step of receiving the transfer signal transmitted in the previous transfer signal transmitting step, a moving frame moving step in which the moving frame is moved to the injection device side when the transfer signal is received in the signal receiving step, and the upper side of the injection device. A molded article adsorption step in which the adsorption frame coupled with the moved moving frame descends and adsorbs the molded article in the injection device, and in the molded article adsorption step, the adsorption frame moves up and down when adsorbing the molded article and moves to the upper side of the transfer rail. and a molded article separation step in which the adsorption frame located above the transfer rail is separated from the adsorbed molded article and puts the molded article on the upper side of the transfer rail, wherein the printing step includes transferring the molded article provided from the transfer rail to the inside of the printing device. A processing position adjustment step of aligning the position of the molded product introduced into the printing device through the incoming molded product insertion step, the molded product entry step, and the laser irradiation unit performing the printing processing in the printing device to match the preset irradiation position An irradiation position setting step to adjust, and the laser irradiation unit having completed the irradiation position setting step to the molded product side A printing processing step of performing laser printing processing by irradiating laser with a Including the step of discharging the molded product to the outside of the printing device, wherein the inspection step is to re-perform the printing processing step when the printed portion photographed through the photographing sensor does not match the preset printed portion or the print quantity is low characterized in that

As described above, the present invention has the effect of being able to easily transfer a molded article that has been injection-molded in an injection device to an external printing device, thereby improving work efficiency.

In addition, since the raw material injection device and the drying device for providing and drying the plastic raw material provided to the injection device can be provided in a space different from the injection device, it has the effect of being easily installed in a narrow space.

In addition, after adsorbing the molded product injected in the vertical direction, it is transported to be provided on the transport rail horizontally on the transport rail, so that the molded article can be transported to facilitate printing processing, and the effect of improving the working efficiency and working stability hold

In addition, the molded article can be transferred from the device performing each injection process step so that the injection process can be easily performed, and the molded article transferred to the printing device can be arranged in an appropriate position so that the molded article can be printed at a designated position It has the effect of improving work efficiency, increasing the degree of completion of molded products, and remarkably reducing the production of defective products.

Effects of the present invention are not limited to the effects mentioned above, and other effects not mentioned will be clearly understood by those skilled in the art from the following description.

1 schematically shows the configuration of an injection process system according to the present invention.
2 shows a raw material injection device and a drying device according to the present invention.
3 shows an injection device according to the present invention.
4 shows a transfer device according to the present invention.
5 is a front view showing a transport rail and a printing apparatus according to the present invention.
6, 6a and 6b is a side view showing a laser irradiation unit according to the present invention.
7 is a plan view showing the alignment unit of the printing apparatus according to the present invention.
8 is a flowchart illustrating an injection process method according to the present invention.
9 shows in detail the injection step according to the present invention.
10 shows in detail the transfer step according to the present invention.
11 shows in detail the printing step according to the present invention.

Since the present invention can have various changes and can have various embodiments, specific embodiments are illustrated in the drawings and described in detail.

However, this is not intended to limit the present invention to specific embodiments, and it should be understood to include all modifications, equivalents and substitutes included in the spirit and scope of the present invention. In describing each figure, like reference numerals have been used for like elements.

When an element is referred to as being “connected” or “connected” to another element, it is understood that it may be directly connected or connected to the other element, but other elements may exist in between. it should be On the other hand, when it is said that a certain element is "directly connected" or "directly connected" to another element, it should be understood that the other element does not exist in the middle.

The terms used in the present application are only used to describe specific embodiments, and are not intended to limit the present invention. The singular expression includes the plural expression unless the context clearly dictates otherwise. In the present application, terms such as “comprise” or “have” are intended to designate that a feature, number, step, operation, component, part, or combination thereof described in the specification exists, but one or more other features It should be understood that this does not preclude the existence or addition of numbers, steps, operations, components, parts, or combinations thereof.

Hereinafter, embodiments of the present invention will be described with reference to the accompanying drawings. Like reference numerals in each figure indicate like elements. In describing the present invention, detailed descriptions of related well-known functions or configurations are omitted so as not to obscure the gist of the present invention.

1 schematically shows the configuration of an injection process system according to the present invention, FIG. 2 shows a raw material injection apparatus and a drying apparatus according to the present invention, FIG. 3 shows an injection apparatus according to the present invention, and FIG. 4 shows a transport device according to the present invention, Figure 5 shows a transport rail and a printing device according to the present invention in a front view, Figures 6, 6a and 6b is a side view showing a laser irradiation unit according to the present invention, Fig. 7 is a plan view showing the alignment part of the printing apparatus according to the present invention.

The injection process system 1 according to the present invention includes a raw material injection device 100 , a drying device 200 , an injection device 300 , a transport device 400 , and a transport rail 500 .

The raw material injection device 100 serves to inject a plastic raw material, which is a raw material of the molded product P, through the raw material input port 110 formed on the upper portion and deliver it to the injection device 300 .

An impeller (not shown in the drawing), etc. is provided inside the raw material injection device 100 so that the injected plastic raw material is evenly mixed without agglomeration, and the raw material supply pipe 322 of the injection device 300 connected to the raw material transport pipe 120 without agglomeration phenomenon. to move to the side.

At this time, the raw material transport pipe 120 has a downward slope from the raw material injection device 100 toward the injection device 300 so that the solid plastic raw material descends along the inclination of the raw material transport pipe 120 to the injection device 300 . of the raw material supply pipe 322 so that it can be easily moved without additional power.

On the other hand, since the plastic raw material injected by the raw material injection device 100 and used for injection molding contains moisture, it is necessary to remove the moisture contained in the raw material so that a good quality product can be injection molded. Therefore, in order to solve this problem, the drying device 200 capable of providing moisture to the raw material is provided.

The drying device 200 dries the plastic raw material that is moved to the injection device 300 side through the raw material transfer pipe 120, and it sucks air from the outside and heats the sucked air through the internal heating wire, and then 120) side, and the solid plastic raw material in the raw material transfer pipe 120 is dried with warm air to dry the moisture remaining on the surface.

At this time, the drying apparatus 200 is provided on the side along the extension direction and the inclination of the raw material transfer pipe 120, one side of the raw material transfer pipe 120 in close contact with the drying apparatus 200, and the other side opposite to the one side, respectively. An air circulation port 121 may be formed, and the warm air generated in the drying apparatus 200 through the air circulation port 121 formed on one side flows into the raw material transfer pipe 120 to dry the embedded plastic material with warm air. , through the air circulation port 121 formed on the other side of the raw material transfer pipe 120 so that the air containing the moisture of the plastic raw material can be discharged out of the raw material transfer pipe (120).

In addition, the drying device 200 is additionally provided with an air purifying filter (not shown in the drawing) to prevent foreign substances such as dust or dust in the intake external air from flowing into the raw material transfer pipe 120 side to remove foreign substances. The warm air generated by heating the outside air is transferred to the raw material transfer pipe 120 side.

Therefore, there is an advantage in that a molded article of higher quality can be manufactured by removing moisture contained in the plastic raw material and using warm air from which foreign substances are removed during removal.

In addition, through the wind pressure of the warm air introduced through the air circulation port 121, dust in the plastic raw material is also discharged along with moisture to the air circulation port 121 formed on the other side, and at the same time, the plastic raw material in the raw material transfer pipe 120 is more easily removed It can be moved to the raw material supply pipe 322 side.

At this time, the air circulation port 121 is provided with a screen (not shown in the figure) having a plurality of air circulation grooves formed therein, which is smaller than the particles of the plastic raw material, so that the plastic raw material is air circulated due to the warm air of the drying device 200 . It can be prevented from being discharged to the sphere 121 .

The plastic raw material dried through the drying device 200 is introduced into the injection device 300 to produce a molded product P through injection molding.

The injection device 300 melts the plastic raw material provided through the raw material injection device 100 and the drying device 200 and then presses it at high temperature to perform injection molding, the body frame 310, the press mold 320, and the controller (330).

First, the body frame 310 is provided with a press mold 320 on the inside to protect the space in which injection molding is performed to prevent an outsider, external force, foreign substances, etc. from moving toward the press mold 320 . In particular, since the injection process is performed by high-temperature pressurization, the internal configuration of the injection device 300 including the press mold 320 is blocked from the outside through the body frame 310 because it is an environment in which safety accidents are easy to occur.

At this time, the upper surface of the body frame 310 is opened, the transfer device 400 is drawn in, and the molded product P after injection molding is taken out of the injection device 300 can be moved to the transfer rail 500 side.

A mold detection sensor 311 is provided inside this body frame 310 so that the position of the press mold 320, whether it is moved, and the injection-molded molded product P are easily released from the press mold 320 through the ejector 323. It is determined whether it is discharged or the like, and it is possible to guide it through the display of the control unit 330, which will be described later.

The press mold 320 is made of a pair, and a cavity having the same shape as that of the molded product P is formed inside the cavity during molding, and the plastic raw material provided to the injection device 300 is injected into the cavity, and it is melted and molded. The cavity of the press mold 320 is filled, and this is pressurized at a high temperature to perform injection molding.

At this time, one press mold 320a is fixed, and a raw material supply pipe 322 is penetrated in the center and is connected to the depressed side of the press mold 320a. A cavity is formed on the side, and a molten plastic raw material is supplied into the cavity to be injection molded. In addition, the other press mold (320b) may be combined with or separated from the press mold (320a) fixed by horizontal movement, and at this time, the other press mold (320b) is a press mold that is moved on the opposite side to the surface to be combined ( 320b) is moved horizontally so that injection molding is performed.

As described above, the press shaft 321 horizontally moves the moving press mold 320b so that when a pair of press molds 320 are molded, a plastic raw material is filled into the cavity formed inside, and then injection molding is performed. The molded product (P) is produced, and the molded product (P) produced by moving the press mold (320b) through the press shaft (321) is separated from the press mold (320).

In addition, the raw material supply pipe 322 is provided in the center of the fixed press mold 320a to fill the cavity provided inside the combined press molds 320a and 320b with molten plastic raw material, and is connected to the raw material transport pipe 120 . It serves to receive the plastic raw material that has passed through the drying device 200 and move it to the press mold 320 side in the injection device 300 .

The ejector 323 is provided on the inside when the press mold 320b moved from the press mold 320 in which the injection-molded molded product was mixed is horizontally moved and spaced apart from each other so that the molded product P that is in close contact is easily press mold 320. It serves to separate from

The above-described press mold 320, the press shaft 321, the raw material supply pipe 322 and the ejector 323 are typically provided in a horizontal injection press, and are configured to facilitate injection molding of the molded product P am.

The control unit 330 controls the driving of the injection device 300 , and detects whether the injection device 300 performs a preset operation through the mold detection sensor 311 provided in the body frame 310 , etc. and transmits a notification to the outside when a preset operation cannot be performed.

That is, the control unit 330 may control the temperature of the working environment of the injection apparatus 300 , the filling amount, and the like, and may also control the driving state of the injection apparatus 300 .

In addition, the control unit 330 is provided with a separate display to compare the position of the preset press mold 320 and the molded product P with the sensor value detected by the mold detection sensor 311 for each process step. 320) and when the position of the injected molded product P is different from the preset position, the control unit 330 first stops the driving of the injection device 300, and informs the manager of the abnormal state through a display, a speaker, etc. may induce the malfunctioning injection device 300 to be inspected.

The molded product P injection-molded through the above-described configuration is separated from the press mold 320 through the ejector 323, but it is difficult to inject through the manager or the machine from the side due to the body frame 310, especially in large-scale In the case of the molded article (P), there is more difficulty in movement, and the molded article (P) itself is heated due to injection molding, and there is an inconvenience that it is difficult to take it out from the injection device (300).

Therefore, in order to solve this problem, the transport device 400 takes out the injection-manufactured molded product P from the injection device 300 and transports it to the external transport rail 500 .

The transport device 400 is provided on the upper side of the injection device 300 and the transport rail 500 as shown in FIG. 4 , and after the injection device 300 completes the injection production, the molded product P is separated from the press mold 320 . After moving to the injection device 300 side, it descends to the upper surface of the open body frame 310 to hold the molded product (P), and then moves to the lifting and transport rail 500 side again, and the molded product (P) on the upper surface of the transport rail 500 ) to automatically transfer the molded product (P) to the transfer rail (500).

The transfer device 400 includes a fixed frame 410 , a moving frame 420 and a suction frame 430 .

First, the fixed frame 410 is provided along the upper side of the injection device 300 and the transfer rail 500 as shown in FIG. 4 , so that the moving frame 420 can be moved along the upper surface of the fixed frame 410 . do.

The moving frame 420 moves in the transverse direction along the upper surface of the fixed frame 410 and includes a first moving module 421 extending in the longitudinal direction through the moving frame 420 vertically, the first A second moving module 422 that is moved in the longitudinal direction along the moving module 421 is provided.

Accordingly, the adsorption frame 430 for adsorbing and transferring the molded product P through the moving frame 420 may be moved in the longitudinal and transverse directions.

The adsorption frame 430 coupled in the vertical direction with the second moving module 422 described above for adsorbing and transporting the molded product P includes a frame coupler 431 that elevates and descends, and the frame coupler 431 moves up and down. A lifting rail 432 for elevating and lowering the frame coupler 431 by penetrating in the direction is provided on one side of the frame coupler 431 and is connected to the pivoting part 433 and the pivoting part 433 that can be rotated It is composed of a molded article (P) and an adsorption port 434 to be adsorbed and transferred.

The elevating rail 432 penetrates the second moving module 422 in the vertical direction and is moved in the longitudinal direction according to the movement of the second moving module 422, and the frame along the elevating rail 432 extending in the vertical direction. The coupler 431 may be raised and lowered.

The suction port 434 coupled to the rotating part 433 consists of a plurality, and first, the center of the upper surface is coupled to the rotating part 433 and rotated, and the first adsorption tube 434a extending in the longitudinal direction, and the first A second adsorption tube 434b provided at both ends of the first adsorption tube 434a and extending in the transverse direction, each of which has an adsorption port 434 provided at each extended end thereof.

At this time, the second adsorption tube 434b is coupled to the lower surface of the first adsorption tube 434a, and may be moved in the lateral direction along the lower surface of the first adsorption tube 434a, and the adsorption port 434 is It is coupled to the lower surface of the second adsorption tube 434b and may be moved in the longitudinal direction along the lower surface of the second adsorption tube 434b.

Therefore, according to the molded article (P) having various shapes or sizes, it is adsorbed with the suction port 434 on the vertex side where each edge abuts and is closely fixed to the molded article (P) so that it can be stably adsorbed and transported with the molded article (P) do.

On the other hand, the injection device 300 injection-molded the molded product (P) by mixing the press mold 320 in the horizontal direction, while the transfer rail 500 separates the molded product P from the press mold 320 vertically. In the case of transporting the molded product P in the same state, there is a problem in that it is difficult to stably transport the molded product P because it has a panel shape.

Accordingly, as shown in FIG. 4, the first and second adsorption tubes 434a and 434b and the adsorption port 434 are rotated vertically so that they can be in close contact with the wide surface of the horizontally injected molded product P through the rotating part 433. After being drawn into the injection device 300, it can be adsorbed and transported with the molded article P, and after the molded article P is transferred to the upper side of the transfer rail 500 in an adsorbed state, the rotating part 433 rotates 90 degrees After arranging the wide surface of the molded article (P) to be in contact with the upper surface of the transfer rail 500, the suction port 434 and the molded article P are separated to be stably provided on the upper surface of the transfer rail 500.

At this time, the suction port 434 allows the molded product P contacted through an air motor (not shown in the drawing) provided in the transfer device 400 to be vacuum-adsorbed with the contact surface, thereby improving the suction power and fixing power. In addition, after providing the molded article P on the upper side of the transfer rail 500, the air motor stops driving so that the molded article P is automatically separated from the suction port 434 to be provided on the upper surface of the transfer rail 500 .

The transport rail 500 is provided to be spaced apart from the injection device 300 in the transverse direction, and at one end a printing device 600 is provided and a molded article ( P) is to move toward the printing apparatus 600, and may be made of a conventional conveyor belt or the like.

The distal end of the transport rail 500 extends toward the inlet 601 of the injection device 300, and when the molded product P is provided on one end of the transport rail 500 provided on the outer side of the injection device 300, the transport rail The molded article (P) is moved to the printing device (600) side through the driving (500) so that the printing process can be performed.

At this time, the driving of the transport rail 500 is connected to the transport device 400 and the printing device 600 so that when the molded product P is provided on the upper surface of the transport device 400, the transport rail 500 is transported to the inlet 601 side. to drive the molded product (P) in the printing device (600) to stop the transfer rail (500) when the printing process is performed so that the printing device (600) individually print the molded product (P) Allows entry to be controlled.

On the other hand, the molded product (P) can be easily injection molded through the above-described injection process system (1), but the molded product (P) can be post-processed to increase product utilization by engraving part number, specification, product name, brand logo, etc. . A printing device 600 may be additionally included to perform such post-processing.

The printing device 600 is to increase productivity by printing characters, etc. on the outer surface of the molded product P provided from the transfer rail 500 , and it is preferable to perform laser printing, but not necessarily the printing device 600 . (P) can also be replaced with a post-processing device.

The printing apparatus 600 includes an inlet 601 through which the molded product P delivered from the transfer rail 500 can be introduced into the printing apparatus 600 at a portion in contact with the transfer rail 500 , and the inlet 601 . ) and is provided on the opposite side to the molded article (P) finished printing processing is formed with a discharge port (602) can be discharged to the outside.

The printing apparatus 600 includes a laser irradiation unit 610 for performing laser printing, an irradiation unit guide rail 620 to which the laser irradiation unit 610 can be moved, and a molded product P moved into the printing apparatus 600 . ), the alignment unit 630 is configured so that it can be aligned at a predetermined position to perform the printing process.

First, the laser irradiation unit 610 is to perform laser printing on the outer surface of the molded product P through laser irradiation, has a panel shape, and an irradiation module 611 for irradiating a laser, and the irradiation module 611 It is composed of an irradiation module transport rail 500 having a grid shape so as to be moved in the longitudinal and transverse directions along the inside.

Accordingly, the irradiation module moving rail 612 is recessed on one surface opposite to the molded product P in the body of the laser irradiation unit 610, and the irradiation module 611 is provided inside the irradiation module moving rail 612. As the irradiation module 611 moves along the inside of the irradiation module moving rail 612, the irradiation module 611 is suitable for laser printing according to the location desired by the manager, as shown by the arrow shown in FIG. 6b. It can be positioned at the laser printing position, through which the laser printing process can be performed.

On the other hand, when the laser irradiation unit 610 is fixed to the upper side of the molded article (P), the laser printing process can be performed according to a desired position among the upper surface of the molded article (P), whereas the space where the laser printing is performed is the space of the molded article (P). There is a problem that it is limited only to the upper surface.

Therefore, the upper side is bent so that not only the upper surface of the molded article P but also the side surface of the molded article P can be printed, the irradiation additional guide rail 620 is provided.

The irradiation additional guide rail 620 has an upper end bent as shown in FIG. 6 , and the laser irradiation unit 610 is made to move along the inner curve of the irradiation additional guide rail 620 so that the laser irradiation unit 610 is a molded product (P). It is moved so as to face not only the upper surface but also the side side of the molded product (P) so that the laser printing process can be easily performed on both sides of the molded product (P).

Alignment unit 630 is provided on the outside of the edge of the worktable in the printing apparatus so that the molded product P introduced into the printing apparatus 600 can be easily laser-printed, the molded product P provided on the upper surface of the workbench It plays a role in aligning the panel-shaped molded product (P) so that the edge of the panel-shaped molded product (P) can be pushed toward the center so that the center can be located at the exact center of the workbench so that the printing process can be easily performed.

The alignment unit 630 includes a pressure rod 631 , a horizontal pipe 632 , a first horizontal gear unit 633 , a vertical gear unit 634 , a second horizontal gear unit 635 , and a horizontal screw pipe 636 . .

First, the pressure bar 631 is in contact with the edge side of the molded article (P) serves to press the molded article (P) so that it can be located in the center of the workbench.

At this time, the alignment parts 630 respectively located on the slopes of the molded product P are not pressed equally when pressing the corners in the corresponding direction, and the pressing rod 631 can extend to the upper side of the workbench to the same extent. ) is moved horizontally to the side of the molded product (P) or to the outside of the molded product (P) according to the position. Accordingly, the pressing rod 631 after the alignment is pressed toward the molded product P side to the same extent.

A close contact member 631a formed in a 'V' shape is provided at the end of the pressure bar 631 toward the molded product P side, that is, toward the center side of the worktable.

The contact member 631a has both ends of the "V" in close contact with the edge of the molded product P to disperse the pressing force to stably press the molded product P to be pushed toward the center of the workbench.

At this time, the adhesion member 631a has an elastic force, so that the greater the pressing force, the more the pressing force is dispersed, thereby preventing problems such as the molded product P being skewed or tilted to one side due to the pressing rod 631 on one side.

These pressure rods 631 are made of a pair so that they can be provided on both sides around one edge of the molded product P, and both ends are at the center of the pair of pressure rods 631 and the pressure rods 631 and A horizontal tube 632 that is coupled to move the pressure rod 631 horizontally is provided.

Horizontal pipe 632, when the pressing force of one of the pressure rods 631 of the pair of pressure rods 631 is greater than the pressing force of the other pressure rod 631, the molded product P is rotated on the workbench to be crooked exists

Accordingly, the pair of pressure rods 631 are equally moved or spaced apart from the molded product P through the horizontal tube 632 to control the pressure, so that the edge of the molded product P can receive the same pressing force.

In addition, a plurality of teeth are formed on one side of the horizontal tube 632 , and the horizontal tube 632 is gear-coupled to the pressure rod 631 including the horizontal tube 632 along the extension direction of the horizontal tube 632 . A first horizontal gear unit 633 that can be moved is formed.

The first horizontal gear unit 633 has a gear formed therein and is gear-coupled to the horizontal tube 632, through which the horizontal tube 632 is horizontally provided on both sides around the center of the edge of the molded product P. It serves to guide the movement.

In addition, the horizontal rod coupling frame 632a through which the pressure rod 631 passes is provided at both ends of the horizontal pipe 632, and the horizontal pipe 632 is coupled through the horizontal rod coupling frame 632a in the horizontal direction, In addition, a vertical gear portion 634 vertically penetrating the horizontal rod coupling frame 632a in the vertical direction is additionally provided.

The vertical gear part 634 allows the pressing rod 631 including the horizontal tube 632 to move in the vertical direction according to the height of the molded product P, so that the pressing rod 631 is fitted to the height of the molded product P. (P) serves to adjust the height of the pressure bar 631 so as to push the side edge.

On the other hand, a second leveling device coupled to the first horizontal gear unit 633 and capable of horizontally moving the horizontal tube 632 and the pressure rod 631 including the first horizontal gear unit 633 along the edge of the molded product (P). A horizontal screw pipe 636 capable of horizontally moving the second horizontal gear unit 635 through rotation by a motor M by penetrating the fisherman 635 and the second horizontal gear unit 635 is provided.

That is, the first horizontal gear part 633 can align the center of the horizontal tube 632 to the center of the edge of the molded product P, and the second horizontal gear part 635 is moved to fit the center of the edge of the molded product (P). (630) to be moved horizontally in line with the center of the edge of each molded product (P).

Therefore, when all of the components of the alignment unit 630 are aligned with the center of the edge of the molded product P through the first and second horizontal gear parts 633 and 635, or when a pair is formed, both sides are symmetrical about the center of the edge of the molded product (P) It is arranged so that the molded product (P) can be provided in the center of the workbench.

In particular, when the molded product (P) is moved onto the work surface in the printing apparatus 600 in a disordered state, it is necessary to press the portion protruding toward each alignment unit 630 to make the plane square in shape. At this time, the second horizontal gear unit ( 635) is moved to the portion protruding toward the alignment unit 630 and pressed through the pressing rod 631 to facilitate alignment.

As shown in FIG. 7 , four alignment units 630 are formed to fit each edge of the molded product P forming the panel shape, and are in contact with each side to align the molded product P so that the molded product P can be positioned toward the center of the workbench. do.

This automatically prints a plurality of molded products (P), whereas if the position of the molded product (P) is disturbed, laser printing processing cannot be performed at the same position, so the molded product (P) must be aligned in the printing device (600). Then, the printing process is performed so that the printing process can be performed at the same position even in a plurality of printing processes.

On the other hand, since the laser printing process is to be printed with an intangible laser, there is a possibility that it may be discharged to the outside through the outlet 602 in a state in which it is not sufficiently printed.

Accordingly, a photographing sensor 640 may be additionally provided in the laser irradiation unit 610 .

This photographing sensor 640 is provided along the edge of the laser irradiation unit 610, so as not to be affected by the irradiation module 611 moving along the irradiation module moving rail 612 through this, and the irradiation module 611 is The imaging sensor 640 captures the laser-printed molded article (P) to identify the laser-printed part, and through this, the irradiation module 611 does not match the pre-stored print part or is printed below a certain print part. ) to re-perform the laser printing process, and to be discharged through the outlet 602 when it is confirmed that the printing process has been performed over a predetermined printed portion previously stored.

On the other hand, the molded article P moved to the printing apparatus 600 through the transfer rail 500 must be introduced into a single piece so that printing can be performed on the molded article P individually.

On the other hand, the molded article P on the upper surface of the transfer rail 500 through the transfer device 400 may be transferred as a single piece, but compared to the printing processing time required in the printing apparatus 600 , the molded article P in the injection device 300 ) because the injection time is relatively short, when the molded article (P) is injected before the molded article (P) from the transfer rail 500 moves to the printing device 600 side, a plurality of molded articles (P) on the upper surface of the transfer rail 500 In this stacked state, it may be moved to the printing apparatus 600 side. In this case, a plurality of laminated molded articles (P) may be introduced into the printing device (600), thereby printing processing may be performed only on the uppermost molded article (P), and the lower stacked molded article (P) ) are discharged out of the printing apparatus 600 in a state in which the printing process cannot be performed, and there is a possibility that defective products may be produced.

Accordingly, the inlet ( 601) and the transfer rail abutting side, the inlet guide portion 650 may be additionally provided.

The inlet guide part 650 is provided along the upper and side surfaces of the outer side of the inlet 601, and the end of the transfer rail 500 is provided at the lower side, and the end of the transfer rail 500, that is, the inlet of the printing device 600 ( The molded product P moved to the 601) side is moved to the inlet 601 through the inlet guide 650 .

The lead-in guide 650 serves to allow the molded product P moved from the transfer rail 500 to the inlet 601 side to be introduced into the printing apparatus 600 as a single piece.

The above-described pull-in guide unit 650 is driven by the mouth guide protrusion 651 , the pull-in brush 652 , and the side moving part 653 .

First, the mouth guide protrusion 651 and the pull-in brush 652 are provided on the upper side of the lead-in guide part 650 , that is, on the outside of the inlet 601 , and the side moving part 653 is both sides of the lead-in guide part 650 . , that is, respectively formed on the outer side of the inlet 601 and provided to correspond to the end side of the transfer rail 500 .

The mouth guide protrusion 651 is provided to be spaced upward to correspond to the height of a single molded article P on the upper surface of the transfer rail 500, and can sufficiently push the molded article P moving along the transfer rail 500 It is provided to be coupled and fixed to the outside of the inlet 601 with strength.

Accordingly, the upper part of the molded article (P) stacked along the upper surface of the transfer rail (500) is pushed out of the molded article (P) located on the upper side except for the molded article (P) having the mouth guide protrusion 651 provided in the lowest layer (P) to push the transfer rail ( 500) by pushing it to the upper surface side and transferring it.

An inlet brush 652 having a plurality of brush shapes is provided at the upper end of the outer upper end of the inlet 601 provided with the inlet guide protrusion 651, so that the upper surface of the molded product P moving toward the inlet 601 is placed on the upper surface of the inlet brush 652. It is swept down so that it can be moved to the printing apparatus 600 side without foreign substances.

That is, when only the molded product P located at the bottom of the plurality of stacked molded products P moves to the inlet 601 through the mouth guide protrusion 651, dust due to friction with the molded product P located on the upper side, etc. There is a risk that debris or the like will be provided on the upper surface of the molded product P located at the bottom.

Therefore, the upper surface of the molded product P introduced into the inlet 601 side with a single opening through the mouth guide protrusion 651 is swept away with the inlet brush 652 and then moved to the inlet 601 to solve the above-mentioned problems. do.

In addition, the molded product (P) moved to the inlet 601 side through the side moving part 653 provided with a plurality of wheels toward the transfer rail 500 on both sides of the inlet 601 is quickly guided to move toward the inlet 601 side. In addition to the role of the mouth guide protrusion 651, there is a risk that the movement of the lowermost molded product P is also prevented, so the lowermost molded product P is easily moved through the side moving part 653. to be able to be transported.

Accordingly, a single molded article P is introduced into the printing apparatus 600 through the above-described lead-in guide 650 so that the molded article P can be easily printed through the printing apparatus 600 .

Through the above-described injection process system (1), the molded article that has been injection-molded in the injection device 300 can be easily transferred to the external printing device 600, thereby having the effect of improving work efficiency. .

The injection process method through the injection process system 1 is as follows.

First, a raw material injection step (S10) of injecting a plastic raw material through the raw material injection device 100 in the above-described injection process system 1 is performed. This raw material injection step (S10) allows the manager to directly inject the plastic raw material through the raw material input port 110 of the raw material injection device 100.

When the plastic raw material subjected to the raw material injection step (S10) moves through the raw material transfer pipe 120, the hot air is discharged into the raw material transfer pipe 120 through the drying device 200 connected to the raw material transfer pipe 120 to be dried. A drying step (S20) is performed.

The moisture of the plastic raw material in the raw material transfer pipe 120 is removed through the hot air discharged in the drying step (S20), and the hot air is provided so that the raw material transfer tube 120 moves toward the injection device 300 side. At this time, it is preferable to dry by hot air in the drying step (S20) to be made in a vacuum state.

The plastic raw material that has been dried (S20) is moved to the injection device 300 to perform the injection step (S30) of injecting the molded product (P).

At this time, the injection step (S30) is a molding step (S31) in which the press mold 320 in the injection device 300 is molded, as shown in FIG. When the plastic raw material is filled in the cavity through the raw material supply step (S32) of supplying the raw material to the cavity, the raw material supply step (S32) melts it through a high temperature and then presses it to perform injection molding (S33), When the molded product (P) is injected through the injection molding step (S33), the combined press mold 320 is separated, and then the molded product P is separated from the press mold 320 through the ejector 323. Mold and molded products Separation step (S34), a check step (S35) of detecting whether the molded product (P) is sufficiently separated from the combined press mold 320 and the press mold 320 through the mold detection sensor 311 (S35) and the check step ( When it is confirmed that the combined press mold 320 and the molded product P are sufficiently separated in S35), a transfer signal transmitting step (S36) of sending a transfer signal indicating that the injection product transfer preparation is completed to the transfer device 400 is performed.

Therefore, the above-described mixing step (S31), raw material supply step (S32), injection molding step (S33), mold and molded product separation step (S34), check step (S35) and the injection step consisting of the transfer signal sending step (S36) The molded product P is easily injection molded through ( S30 ), and it can be transferred to the transfer rail 500 side through the transfer device 400 .

Through the transfer signal transmitting step (S36), the transfer device 400 performs a transfer step (S40) of transferring the injection-molded molded product P in the injection device 300 to the transfer rail 500 side.

The transfer step (S40) includes a signal receiving step (S41) in which the transfer device 400 receives the transfer signal received from the injection device 300 in the transfer signal transmission step (S36), and the moving frame 420 is a fixed frame. A suction frame 430 provided above the molded product P through the moving frame moving step (S42) and the moving frame moving step (S42) moving the molded product (P) upward in the injection device 300 along (410) ) is lowered and the molded article adsorption step (S43) is adsorbed to the molded article (P) in the injection device 300, and the molded article (P) and the adsorption frame 430 are lifted and moved in an adsorbed state, and the transfer rail 500 After transferring the molded article (P) to the upper surface of the transfer rail 500 through the molded article transfer step (S44) and the molded article transfer step (S44) for transferring the molded article (P) adsorbed to the upper side, the molded article from the adsorption frame 430 It consists of a molded article separation step (S45) to separate (P) to be provided on the upper surface of the transfer rail 500.

At this time, in the molded article transfer step (S44), the rotating part 433 is automatically controlled depending on the location where the suction frame 430 is located, that is, the upper side of the injection device 300 or the upper side of the transfer rail 500 . Eastern control phase is included.

When it is located on the upper side of the injection device 300, the rotating part 433 is rotated 90 degrees upward, so that the wide surface of the horizontally injected molded product P and the suction frame 430 can be in close contact with each other and spaced apart from each other at the same time. The adsorption frame 430 is easily drawn into the narrow space between the press molds 320 so that it can be transferred after adsorbing it with the molded product P, and when located above the transfer rail 500, the rotating part 433 is rotated to the lower side by 90 degrees so that the wide surface of the molded product P can be provided on the upper surface side of the transfer rail 500 .

Therefore, through the above-described transfer step (S40), the injection-molded molded article (P) in the injection device 300 is easily transferred to the transport rail 500 side, so that the molded article (P) is post-processed to the printing device 600 side. so that it can be transported.

When the molded article P is moved to and drawn into the printing apparatus 600 along the transfer rail 500 through the transfer step S40 described above, the printing step S50 may be additionally performed.

The printing step (S50) is a molded article inlet step (S51) in which the molded product (P) is introduced into the inlet 601 side of the printing device 600 described above, and the molded article inserting step (S51) into the printing device 600 through the A processing position adjustment step (S52) of adjusting the processing position through the alignment unit 630 in the printing apparatus 600 so that the moved molded product P can easily perform printing processing, and the processing position adjustment step (S52) ) through the irradiation position setting step (S53) of adjusting the position of the laser irradiation unit 610 so that the laser printing can be performed at a suitable position when the molded product (P) is easily located at the position where the printing process is performed, and the irradiation After the positioning step (S53) is completed and the position of the laser irradiation unit 610 is fixed, a printing processing step (S54) in which laser printing processing is performed by irradiating a laser through the irradiation module 611, and the printing processing step (S54) The inspection step (S55) of grasping the completeness of the printing processing through the photographing sensor 640 of the printed part of the finished product (P), and the printing device It includes a molded article discharging step (S56) of discharging the molded article P on which the printing process is completed to the outlet 602 of (600).

At this time, in the inspection step (S54), the printing processing surface of the molded product P is photographed through the photographing sensor 640, and thus the printed part is identified to match the preset printing part position, or when the print quantity is lowered The printing processing step (S54) is to be performed again.

Therefore, through the above-described printing step (S50), the molded article (P) is placed in a suitable position and the printing process is performed to produce the molded article (P) with high completeness, thereby preventing the production of the molded article (P) in a defective state can do.

It is possible to easily perform the injection process through the above-described injection process method, as well as transfer the molded product P produced through this to the printing apparatus 600 side for easy post-processing to perform the printing process.

In addition, it has the effect of improving work efficiency, increasing the degree of completion of the molded product, and remarkably reducing the production of defective products.

Best embodiments have been disclosed in the drawings and specification. Here, although specific terms have been used, these are only used for the purpose of describing the present invention and are not used to limit the meaning or scope of the present invention described in the claims. Therefore, it will be understood by those skilled in the art that various modifications and equivalent other embodiments are possible therefrom. Accordingly, the true technical protection scope of the present invention should be determined by the technical spirit of the appended claims.

1. Injection process system
P. molded article
100. Raw material injection device
200. Drying device
300. Injection device
400. Transfer device
500. Transport rail
600. Printing device
S10. Raw material injection stage
S20. drying stage
S30. injection stage
S40. transfer stage
S50. print step

Claims (2)

In an injection process system capable of injecting a molded product through a plastic raw material,
a raw material injection device for providing a plastic raw material;
a drying device for drying the plastic raw material provided to the raw material injection device;
an injection device for injecting a molded product from a plastic raw material; and
It consists of; a transport device for moving the molded product injected from the injection device to a transport rail;
The injection process system, characterized in that the transfer device detects the molded article that has been injection-molded by the injection device, and transfers the molded article located inside the injection device to the transfer rail.
The method of claim 1,
The injection process system is further provided with a;
The raw material injection device is composed of a raw material inlet through which the plastic raw material is input, and a raw material transfer tube for transferring the plastic raw material introduced into the inside from the raw material input port to the injection device side,
The drying device is coupled to the raw material transfer tube and communicates therein, and provides warm air to the inside of the raw material transfer tube to induce the plastic raw material from which moisture has been removed to be transferred to the injection device side,
An air circulation port communicating with the outside is provided on one side and the other side of the raw material transport pipe in contact with the drying device, respectively, the drying device provides hot air to the air circulation port on one side, and moisture is included in the air circulation port on the other side The hot air is discharged to the outside,
The injection device is
body frame; a pair of press molds provided in the body frame and formed by injection molding by melting and pressing a plastic raw material inside a cavity formed by mixing; a press shaft provided on the outside of one of the pair of press molds to horizontally move the press mold to combine and separate the pair of press molds; a raw material supply pipe provided in the center of the fixed press mold and connected to the raw material transport pipe to supply a plastic raw material to a cavity in the press mold combined; an ejector that separates the injection-molded molded product in the combined press mold from the press mold; and a control unit for controlling the driving of the press mold;
The transfer device is
a fixed frame provided along an upper side from both sides of the injection device and the transport device; a moving frame provided on the upper surface of the fixed frame to horizontally move the upper surface of the fixed frame; It is combined with the moving frame and elevates, is adsorbed with the molded article, and the adsorption frame for transporting the adsorbed molded article according to the movement of the moving frame; consists of,
The moving frame includes a first moving module and a second moving module, the first moving module passes through the moving frame in a longitudinal direction, and the second moving module is coupled to the first moving module to provide the first moving module. moves in the longitudinal direction along the extension direction of the moving module,
The adsorption frame is
a frame coupler provided at a lower side of the second moving module and ascending and descending; an elevating rail guiding the frame coupler and the second moving module to vertically pass through the frame coupler to elevate and lower in a direction extending from the frame coupler; a rotating part provided on one side of the frame coupler and rotating; and an adsorption port coupled to the outer surface of the rotating part, directly adsorbed and separated from the molded article, to adsorb the molded article injection-molded by the injection device, and to separate and transfer the molded article from the upper side of the transfer rail;
The printing device has an inlet formed at the end of the moving direction of the transport rail to receive a molded product inside, and the molded product after printing processing through the printing device is discharged through an outlet,
A laser irradiation unit for performing a printing process by irradiating a laser; a guide rail for irradiating the laser irradiator to move the laser irradiator so as to selectively perform a printing process on the upper and both sides of the molded article; and an alignment unit for aligning the position of the molded article introduced into the interior through the inlet;
The laser irradiation unit has a panel shape, is coupled to one surface opposite to the molded article irradiation module for irradiating a laser; and an irradiation module moving rail provided with an upper end of the irradiation module inside, and recessed in a grid pattern on one surface of the laser irradiation unit to move the irradiation module along the inside.

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