TWI540974B - Three-dimensional shoe upper printing system - Google Patents

Description

Upper three-dimensional printing system

The present invention relates to a three-dimensional printing system, and more particularly to a three-dimensional printing system for an upper.

Press, the pattern of the upper and the upper of the sneakers is usually made of TPU or other plastic material by the punching and cutting machine to cut the strip to the required thickness, and then the edges are manually glued or in-mold. It is integrally formed on the upper surface to form various patterns. Alternatively, a coating made of TPU or other plastic material may be provided on the upper of the shoe in whole or in part depending on the design of the shoe. The conventional coating method is formed by first making a steel stencil having a desired coating pattern, then filling the stencil with the TPU material, and pressing the upper with the stencil to make the TPU heat and pressure. The coating is bonded to the upper and at the same time the desired upper pattern is produced.

However, the above-mentioned method requires a metal stencil of various sizes and styles corresponding to each shoe pattern design, and the process of preparing the stencil consumes the entire manufacturing time and cost, and the melted TPU is also difficult to accurately press and combine at the desired upper position. Therefore, the conventional method for manufacturing the upper pattern has problems such as high cost and complicated process, and there is room for improvement.

The object of the present invention is to provide a three-dimensional printing system for an upper, which mainly uses a 3D printing technology to cooperate with a two-dimensional moving mechanism, and presets a vamp component to be printed on a positioning position or obtains a positioning coordinate signal by scanning photography. Three-dimensional printing is carried out to ensure the accuracy of the relative position of each upper component and the printing head of the printing device, and the desired pattern is directly formed on the surface of the upper component in a three-dimensional form, thereby realizing a reduction in manufacturing cost and a simplified process. Technical efficiency.

In order to achieve the above objective, the present invention provides a three-dimensional printing device for a shoe upper, comprising: a conveying device having a conveyor belt for placing the upper assembly, the conveyor belt having a roller at one end and a roller at the other end Driving the motor, defining a direction connecting the ends of the conveyor belt to an X direction, wherein the conveyor belt is driven by the drive motor to transport the upper assembly along the X direction; a positioning device having a retaining member secured by a plurality of fixing members Provided on the conveyor belt of the conveyor device, the upper assembly is positioned to be displaced along the X direction by being fixed on the holder; a printing device having a bridge frame, a slide rail mechanism and a print head, The bridge frame spans on opposite sides of the middle section of the conveyor belt of the conveyor, the rail mechanism has a track disposed on the bridge frame and a motor disposed at the end of the track, the print head sliding along the track The grounding group is disposed on the sliding rail mechanism, defining a Y direction along the extending direction of the rail, the printing head is driven by the motor to be displaced in the Y direction; and a computer having a processor electrically connected to the conveying device drive And a motor and a print head of the printing device, wherein the processor controls the driving speed of the driving device by controlling a driving motor of the conveying mechanism and a motor speed of the printing device to control the conveying speed of the upper assembly on the conveying device The print head is three-dimensionally printed to form a three-dimensional coating on the surface of the upper assembly.

The three-dimensional printing system of the upper of the present invention is to displace the upper component in a single direction, and to coordinate the printing head to perform displacement in another direction, so as to adjust the printing position and the road on the two-dimensional plane. The purpose of the trail. Wherein, the three-dimensional printing system of the upper of the present invention can be achieved by scanning and scanning. The positioning device can be configured by a camera hanging over a conveyor belt adjacent to the driving motor through a bracket, so that the camera pair enters Scanning photography of the upper assembly of the photographing range to intercept positioning information of the upper assembly on the conveying device; and the processor of the computer and the driving motor of the conveying device, the camera of the positioning device, and the printing device The motor and the print head are electrically connected, and the processor receives the positioning position information of the positioning device, and electrically controls the driving motor of the conveying mechanism and the motor rotation speed of the printing device according to the positioning position information to control the upper assembly The conveying speed on the conveying device cooperates with the printing head driving the printing device to perform three-dimensional printing, and a three-dimensional coating is formed on the surface of the upper assembly.

Moreover, the three-dimensional printing system of the upper of the present invention can further fix the printing head, and the two-dimensional sliding device drives the upper assembly to be displaced in a two-dimensional plane to cooperate with the printing head for three-dimensional printing. The upper three-dimensional printing system comprises: a working platform having a working surface; a printing device having a cantilevered end fixed with a printing head for suspending the printing head above the working surface; a two-dimensional sliding device, a first slide group and a second slide group having a sliding direction perpendicular to each other, the second rail group being assembled on the first rail group and being displaced accordingly, so as to fix the shoes The holder of the surface assembly is coupled to one side of the second rail group through a quick release group, so that the holder is driven by the first and second rail groups to perform two-dimensional movement on the working surface of the working platform; a computer having a processor electrically connected to the printing head of the printing device and the first and second sliding rails of the two-dimensional sliding device, so that the processor electrically controls the rotation speed of the printing device motor and the first First, the position of the second slide group is controlled to drive the upper of the upper assembly corresponding to the printing device to perform three-dimensional printing on the surface of the upper assembly, and a three-dimensional coating is formed on the surface of the upper assembly.

The techniques, means, and other techniques employed in connection with the present invention to achieve the above objectives For the sake of efficacy, the preferred embodiments are described in detail with reference to the drawings.

〔this invention〕

A‧‧‧Shoe assembly

A1‧‧‧3D coating

10‧‧‧Conveyor

11‧‧‧Conveyor belt

12‧‧‧Roller

13‧‧‧Drive motor

20‧‧‧ Positioning device

21‧‧‧ Holder

22‧‧‧Fixed parts

23‧‧‧ bracket

24‧‧‧ camera

30‧‧‧Printing device

31‧‧‧ Bridge

32‧‧‧Slide rail mechanism

321‧‧‧ Track

322‧‧‧Motor

33‧‧‧Print head

331‧‧‧ heating department

332‧‧‧ spraying department

34‧‧‧Cantilever

40‧‧‧ computer

41‧‧‧ Processor

S1‧‧‧Location location information

S11‧‧‧ positioning coordinate instruction

S12‧‧‧Printing path instruction

50‧‧‧Working platform

51‧‧‧Working face

60‧‧‧Two-dimensional slip device

601‧‧‧First slide group

61‧‧‧ rails

62‧‧‧ Skateboarding

621‧‧‧ Slider

63‧‧‧Power source

631‧‧‧Motor

632‧‧‧ screw

633‧‧‧Screw slider

602‧‧‧Second rail group

64‧‧‧ Track

603‧‧‧ Holder

604‧‧‧ quick release group

X‧‧‧ direction

Y‧‧‧ direction

BRIEF DESCRIPTION OF THE DRAWINGS Figure 1 is a schematic view showing the structure of a first embodiment of a three-dimensional printing apparatus for an upper of the present invention.

2 is a schematic diagram of a computer electrical control architecture according to a first embodiment of the present invention.

Figure 3 is a schematic view showing the structure of a second embodiment of the three-dimensional printing apparatus of the upper of the present invention.

4 is a schematic diagram of a computer electrical control architecture according to a second embodiment of the present invention.

Fig. 5 is a structural schematic view showing a third embodiment of the upper three-dimensional printing apparatus of the present invention.

FIG. 6 is a schematic diagram of a computer electrical control architecture according to a third embodiment of the present invention.

Referring to Figures 1 to 6, a specific embodiment of the three-dimensional printing system of the upper of the present invention will be described.

As shown in FIG. 1 and FIG. 2, the first embodiment of the three-dimensional printing system of the upper of the present invention comprises a conveying device 10, a positioning device 20, a printing device 30 and a computer 40, wherein the conveying device 10 has A conveyor belt 11 is disposed for placing the upper assembly A. The conveyor belt 11 is provided with a roller 12 at one end and a driving motor 13 at the other end. The direction connecting the two ends of the conveyor belt 11 is an X direction, so that the conveying is performed. The belt 11 is driven by the drive motor 13 to convey the upper assembly A in the X direction.

The positioning device 20 has a holding member 21 fixed to the conveyor belt 11 of the conveying device 10 by a plurality of fixing members 22, and the upper assembly A is positioned and displaced in the X direction by being fixed on the holder 21. In the embodiment, the holder 21 is formed into a plate structure, and The peripheral side is fixed to the conveyor belt 11 by the fixing member 22, thereby securing the positioning position of the upper assembly A on the conveyor belt 11.

The printing device 30 has a dome-shaped bridge frame 31, a slide rail mechanism 32 and a print head 33. The bridge frame 31 is disposed on opposite sides of the middle portion of the conveyor belt 11 of the conveyor device 10. The slide rail mechanism 32 is provided. There is a rail 321 disposed on the bridge 31 and a motor 322 disposed at an end of the rail 321 . The print head 33 is slidably disposed along the rail 321 on the rail mechanism 32. The track 321 extends in a Y direction, and the print head 33 is displaced by the motor 322 in the Y direction.

In the present invention, the printing head 33 in each of the embodiments has a heating portion 331 and a spraying portion 332 for heating and melting the plastic for three-dimensional printing, and coating the melted plastic by the spraying portion 332. The three-dimensional coating A1 is formed on the surface of the upper assembly A, and the three-dimensional printing plastic is preferably a thermoplastic polyurethane elastomer rubber (TPU). In the present embodiment, the three-dimensional coating A1 provided on the upper assembly A has a thickness of up to 0.3 millimeters (mm).

As shown in FIG. 2, the computer 40 has a processor 41 electrically connected to the drive motor 13 of the transport device 10, a slide mechanism 32 motor 322 of the printing device 30, and a print head 33, so that the processor 41 controls the The driving motor 13 of the conveying mechanism 10 and the motor 322 of the printing device 30 rotate to control the conveying speed of the upper assembly A on the conveying device 10 to drive the printing head 33 of the printing device 30 to perform three-dimensional printing on the upper. The surface of the component A forms a three-dimensional coating A1. In the present embodiment, the three-dimensional coating A1 provided on the upper assembly A has a thickness of up to 0.3 millimeters (mm).

Thereby, the upper three-dimensional printing system of the present invention allows the upper assembly A to be accurately controlled by the computer 40 on the holder 21 of the conveying device 10 by the aforementioned structure. Delivered to the positioning position to correspond to the print head 33, to achieve accurate three-dimensional printing of the upper assembly A, printing TPU or other printable material on the surface of the upper assembly A, rapidly forming a three-dimensional coating with a three-dimensional pattern A1. In the present embodiment, the three-dimensional coating A1 provided on the upper assembly A has a thickness of up to 0.3 millimeters (mm).

As shown in Figs. 3 and 4, a second embodiment of the upper three-dimensional printing system of the present invention will be described. The same as the first embodiment, the embodiment also displaces the upper assembly A in a single direction by the conveying device 10, and displaces the printing head 33 of the printing device 30 in another direction to achieve accurate positioning for three-dimensional printing. And further, the present embodiment achieves the purpose of positioning by means of scanning photography. The upper three-dimensional printing system includes the conveying device 10, a positioning device 20 for performing scanning photography, the printing device 30, and a computer 40 for electrically controlling the conveying device 10, the positioning device 20, and the printing device 30, Wherein: the positioning device 20 has a camera 24 suspended by a bracket 23 above the conveyor belt 11 of the conveyor device 10 adjacent to the driving motor 13, so that the camera 24 scans and photographs the upper assembly A entering its imaging range. The positioning position information s1 of the upper assembly A on the conveying device 10 is intercepted.

The processor 41 of the computer 40 is electrically connected to the driving motor 13 of the conveying device 10, the camera 24 of the positioning device 20, the motor 322 of the printing device 30, and the printing head 33, so that the processor 41 receives the positioning device 20 Positioning the position information s1, and electrically controlling the driving motor 13 of the conveying mechanism 10 and the motor 322 of the printing device 30 according to the positioning position information s1 to control the conveying speed of the upper assembly A on the conveying device 10 The print head 33 that drives the printing device 30 performs three-dimensional printing, and a three-dimensional coating A1 is formed on the surface of the upper assembly A.

In this embodiment, the computer 40 is processed by an image processing software. The positioning position information s1 outputted by the positioning device 20 forms a positioning coordinate command s11 for driving the driving device 10 to drive the motor 13, and drives the printing device 30 motor 322 and the printing head 33 to perform one-dimensional printing of one of the printing path commands s12. .

Therefore, according to the structure of the foregoing second embodiment, by providing the camera 24 above the transport device 10, the upper assembly A placed on the transport device 10 can be scanned for photography while passing under the photographing device. The positioning position information s1 of the upper assembly A on the conveying device 10 is read, and the positioning position information s1 is recorded in an image processing software. In this embodiment, the software is a common image processing software. For example: Matrox in Canada or Cognex in the United States. Therefore, the camera 24 continues to provide the updated upper assembly A positioning position information s1 to the processor 41 of the computer 40, and the processor 41 repeatedly calculates the printing path of the new position of the upper assembly A, so that the print head 33 performs The displacement path at the time of coating of the printing material is synchronized with the printing path of the upper assembly A by the processor 41 for the purpose of positioning the upper assembly A placed on the conveying device 10 arbitrarily.

As shown in Figs. 5 and 6, a third embodiment of the upper three-dimensional printing system of the present invention will be described. Similarly to the first and second embodiments, the two-dimensional moving mechanism is used to cause the upper assembly A to perform three-dimensional printing with the print head 33 of the printing device 30 under the control of the computer 40, and in the present embodiment, the print head 33 The system is fixed, and the upper assembly is brought to the positioning position by a two-dimensional moving mechanism for printing.

The third embodiment of the upper three-dimensional printing system of the present invention comprises a working platform 50, a printing device 30, a two-dimensional sliding device 60 and a computer 40, wherein the working platform 50 has a working surface 51; In an example, the work platform 50 can be a table structure. The printing device 30 has a print head 33 fixed to the end of a cantilever 34. The print head 33 is suspended above the work surface 51.

The two-dimensional sliding device 60 has a first sliding rail group 601 and a second sliding rail group 602 which are perpendicular to each other in the sliding direction. The second sliding rail group 602 is assembled on the first sliding rail group 601. With the displacement, a holder 603 for fixing the upper assembly A is coupled to the side of the second rail group 602 through a quick release group 604, so that the holder 603 is the first and second slide rails. The groups 601, 602 are driven to move two-dimensionally on the working surface 51 of the work platform 50.

In the embodiment, the first rail group 601 of the two-dimensional sliding device 60 has two rails 61 disposed on the working surface 51 of the working platform 50 in parallel, and a sliding plate 62 is provided with a sliding at opposite ends. The block 621 is coupled to the two rails 61, and the first rail set 601 has a power source 63 disposed on the working surface 51 and coupled to the middle portion of the slide plate 62, so that the slide plate 62 is driven by the power source 63. Sliding along the two rails 61; and the power source 63 of the first rail group 601 is a ball screw structure, the power source 63 has a motor 631 driving a screw 632 and one of the bottom portions of the middle portion of the slider 62 The slider 633 is displaced relative to the screw to slide the slider 62 along the rail 61.

The second rail group 602 has a rail 64 disposed on the first rail group 601, and the holder 603 has a plate-shaped structure and the side is provided with the quick release group 604, so that the holder 603 passes the The quick release group 604 is quick-released and assembled with the rail 64, and a power source 65 is disposed at the end of the rail 64 for driving the holder 603 to slide along the rail 64.

The processor 41 of the computer 40 is electrically connected to the print head 33 of the printing device 30 and the first and second slide groups 601 and 602 of the two-dimensional sliding device 60, so that the processor 41 electrically controls the printing. The rotational speed of the motor 322 of the device 30 and the positions of the first and second sets of slides 601, 602 are controlled to drive the upper assembly A on the holder 603 corresponding to the print head 33 of the printing device 30 for three-dimensional printing. The upper surface of the upper assembly A forms a three-dimensional coating A1.

Thereby, the three-dimensional printing system of the upper of the present invention is configured such that the print head 33 is statically fixed on the cantilever 34 by the structure of the third embodiment, and the holder 603 for fixing the upper assembly A passes through the quick release group 604 and The second rail group 602 is combined to enable the holder 603 to be moved two-dimensionally on the working surface 51 of the working platform 50 by the first rail group 601 and the second rail group 602 to make the holder 603 The TPU or other printable material can be printed on the surface of the upper assembly A by moving to any position corresponding to the print head 33 and electrically controlled by the computer 40 processor 41.

In summary, the present invention can achieve the processing steps of simplifying the three-dimensional pattern of the upper surface of the upper A component through the above-mentioned three-dimensional printing system of the upper, and effectively ensure the setting position of the three-dimensional pattern, etc., and has met the patent application requirements.提出 Submit a patent application in accordance with the law, pray for a review and grant a patent at an early date.

A‧‧‧Shoe assembly

A1‧‧‧3D coating

10‧‧‧Conveyor

11‧‧‧Conveyor belt

12‧‧‧Roller

13‧‧‧Drive motor

20‧‧‧ Positioning device

21‧‧‧ Holder

22‧‧‧Fixed parts

30‧‧‧Printing device

31‧‧‧ Bridge

32‧‧‧Slide rail mechanism

321‧‧‧ Track

322‧‧‧Motor

33‧‧‧Print head

331‧‧‧ heating department

332‧‧‧ spraying department

X‧‧‧ direction

Y‧‧‧ direction

Claims (6)

A shoe upper three-dimensional printing system for three-dimensional printing of a plurality of upper components, wherein the system comprises: a working platform having a working surface; and a printing device having a cantilevered end and a printing head for printing a head suspension is arranged above the working surface; a two-dimensional sliding device having a first sliding rail group and a second sliding rail group perpendicular to each other in the sliding direction, wherein the second sliding rail group is assembled in the first And the displacement of the slide rail assembly is such that a retaining member for fixing the upper assembly is coupled to one side of the second slide rail assembly through a quick release group, so that the retaining member is the first and second slide rails The group is driven to perform two-dimensional movement on the working surface of the working platform; a computer having a processor electrically connected to the printing head of the printing device and the first and second sliding rail groups of the two-dimensional sliding device; Having the processor electrically control the rotational speed of the printing device motor and the position of the first and second slide groups, thereby controlling the three-dimensional printing of the print head corresponding to the printing device that drives the upper assembly provided on the holder, Forming a three on the surface of the upper assembly Coating. The upper three-dimensional printing system of claim 1, wherein the first rail group of the two-dimensional sliding device has two rails disposed in parallel on the working surface of the working platform, and a sliding plate is relatively Each of the two ends is provided with a slider and the two rails are assembled, and the first rail group has a power source disposed on the working surface and assembled with the middle portion of the slider, so that the sliding plate is driven by the power source. Two rails slip; the second rail group has a track disposed on the first rail group In the sliding plate, the holding member has a plate-shaped structure and the quick-release group is disposed on the side, and the holding member is fast-released and assembled to the track through the quick-release group, and a power source is provided at the end of the track to drive the holding The piece slides along the track. The upper three-dimensional printing system of claim 2, wherein the power source of the first slide group is a ball screw structure, the power source has a motor driven screw and one of the bottom portions of the middle portion of the slide plate. The screwing slider is displaced relative to the screw to slide the slider along the rail. The upper three-dimensional printing system of claim 1, wherein the printing head has a heating portion and a spraying portion for heating and melting the plastic for three-dimensional printing, and the spraying portion is melted. A plastic is applied to the surface of the upper assembly to form the three-dimensional coating. The upper three-dimensional printing system of claim 4, wherein the plastic for three-dimensional printing is a thermoplastic polyurethane elastomer rubber. The upper three-dimensional printing system of claim 1 or claim wherein the three-dimensional coating disposed on the upper assembly has a thickness of up to 0.3 mm.