Personalized orthopedic insole manufacturing equipment based on 3D foot type scanning and printing

Abstract

The utility model discloses personalized orthopedic insole manufacturing equipment based on 3D foot type scanning and printing, and relates to the technical field of orthopedic manufacturing equipment, the personalized orthopedic insole manufacturing equipment comprises a frame, a working platform, a spray head assembly, a supporting assembly and 3D scanning equipment, a damping assembly is arranged at the bottom of the frame, and the spray head assembly is magnetically attracted with the supporting assembly through a magnetic assembly. Through the damping assembly, a three-stage damping chain with the elastic piece buffering low frequency, the damping assembly dissipating energy and the rubber adsorption piece absorbing high frequency is formed, the electromagnetic assembly is matched for dynamically adjusting the pre-tightening force of the elastic piece, high-speed printing vibration is restrained, the rubber adsorption piece is anti-skid and buffering, and tool-free rapid adjustment is achieved to adapt to different scenes; the problem of insole size deviation caused by printing vibration is solved. The nozzle assembly is magnetically attracted to the supporting assembly through the magnetic connecting assembly, and the matching surface is provided with a nested tooth-shaped structure, so that the nozzle can be quickly replaced without tools, the switching problem of the multi-material printing nozzle is solved, the nozzle is prevented from moving and rotating, the production efficiency is improved, and the printing precision is ensured.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of correction manufacturing equipment, especially to the personalized orthopaedic insole manufacturing equipment based on 3D foot type scanning and printing. BACKGROUND

[0002] The personalized orthopaedic insole manufacturing equipment based on 3D foot type scanning and printing is mainly used for foot deformity correction, postoperative rehabilitation and chronic disease auxiliary treatment in the medical field. The equipment obtains foot shape and pressure data through a three-dimensional scanner, generates a customized model in combination with biomechanical analysis, and designs a support structure for flat feet and other problems. Medical-grade flexible materials (TPU, EVA) are manufactured layer by layer through 3D printing, accurately replicating complex structures, and the dual-material technology realizes dynamic adjustment of the hardness of the regions. In clinical applications, this technology shortens the traditional customization period from several weeks to several hours, significantly improves patient comfort and treatment compliance, and is suitable for scenarios such as pediatric arch development intervention, sports injury rehabilitation, and diabetic foot ulcer prevention, providing an efficient and accurate solution for foot health and promoting precision medical innovation in the orthopedic field.

[0003] A double-station orthopaedic insole 3D printer with patent number 202420289512.3 is disclosed, which includes a frame, a printing platform, and a printing nozzle. The frame has two optical shafts at both ends of the inside of the two sides, and a screw rod is rotatably arranged at the middle position of the inside of the two sides. The printing platform has two groups, and the outer side of each group is provided with a flange frame. The flange frames on both sides are slidably connected with the optical shafts, and the flange frames on both sides are threadedly connected with the screw rods. The frame has a belt machine at both sides of the rear end. However, this utility model has left and right double structures, and the left and right screw rods can independently drive the left and right flange frames and the printing platform to lift. The left and right belt machines can drive the left and right nozzle guide frames to move, and the left and right printing nozzles can move independently on the two nozzle guide frames. The double-station does not interfere with each other, and different orthopaedic insoles can be printed simultaneously in multiple layers, which is efficient. However, there are still problems of large vibration amplitude leading to insole size deviation during high-speed printing, and inconvenience in replacing different material nozzles during 3D printing due to the need for multiple materials to make orthopaedic insoles.

[0004] Therefore, the utility model provides the personalized orthopaedic insole manufacturing equipment based on 3D foot type scanning and printing to solve the above problems. UTILITY MODEL CONTENTS

[0005] The utility model aims to provide the personalized orthopaedic insole manufacturing equipment based on 3D foot type scanning and printing to solve the technical problems of large vibration during printing leading to insole size deviation and inconvenience in replacing nozzles.

[0006] To achieve the above object, the utility model provides the following technical scheme: personalized orthopedic insole manufacturing equipment based on 3D foot shape scanning and printing, including frame, operation platform, nozzle assembly, support component and 3D scanning device, the frame bottom is provided with damping component, the nozzle assembly is provided with magnetic connection component, and the nozzle assembly is connected with the support component through the magnetic connection component. Preferably, the magnetic connection component includes the magnetic adsorption component arranged in the nozzle assembly connecting end and the positioning component arranged on the support component, the magnetic adsorption component and the positioning component are connected through magnetic attraction, and the cooperation surface of the two is provided with the tooth profile structure that nests each other. Preferably, the damping component includes elastic member, damping component, rubber absorbing accessory and electromagnetic component. Preferably, the damping component includes damping cylinder, the damping cylinder cavity is slidably connected with damping piston, the damping piston top end is provided with piston rod, and the piston rod is axially wound with electromagnetic coil. Preferably, the end, away from the damping piston of piston rod, is fixedly connected with the frame bottom end, the damping cylinder cavity bottom end is provided with magnetic attraction piece, the top end of magnetic attraction piece is elastically connected with the bottom end of damping piston through elastic member, and the bottom end of damping cylinder is fixedly connected with the top end of rubber absorbing accessory. Preferably, the operation platform edge is provided with calibration component, and the calibration component includes emission component and angle detection component. Preferably, the support component is provided with automatic positioning component, and the automatic positioning component includes distance detection component and fine adjustment driving component, and the fine adjustment driving component is connected with the support component through sliding. Preferably, the operation platform adopts composite sandwich structure, is filled with damping material in the inside, and is provided with antiskid layer on the surface. Preferably, the 3D scanning device is connected with the control system of equipment through data line to realize the transmission and interaction of data.

[0007] The utility model has the advantages that:

[0008] 1、The damping component arranged at the frame bottom realizes effective damping effect. The damping component forms a three-stage damping chain of "elastic member buffer low-frequency vibration → damping component consume energy → rubber absorbing accessory absorb high-frequency vibration". Combined with the electromagnetic component dynamically adjusting the elastic pre-tightening force of the elastic member, the vibration amplitude during high-speed printing is significantly inhibited, and the rubber absorbing accessory provides anti-skid buffer to avoid equipment displacement. By adjusting the current of the electromagnetic coil to control the magnetic field strength, the magnetic attraction force with the magnetic attraction piece is changed, and the elastic pre-tightening force of the elastic member is changed, replacing the traditional adjustment mode relying on the threaded rod to realize tool-free quick adjustment and adapt to different printing scene requirements.

[0009] 2, the utility model discloses a magnetic adsorption subassembly and the positioning subassembly that set up on the support subassembly are set up in the spray head subassembly connecting end, and the tooth profile structure of mutual nesting is arranged to the cooperation surface of both. This design realizes the quick disassembly and replacement of the spray head subassembly without tool, solves the spray head switching problem when the orthopaedic insole is printed with multiple materials. In actual production, the spray head replacement time is shortened from the traditional 15 minutes to 30 seconds, and the production efficiency is improved by more than 50%. The tooth profile structure effectively prevents the displacement and rotation of the spray head subassembly during the working process, ensures the printing accuracy of the multiple material junction, avoids model defects, and is especially suitable for medical personalized customization scenarios. BRIEF DESCRIPTION OF DRAWINGS

[0010] Figure 1 It is the overall structure schematic diagram of the utility model.

[0011] Figure 2 It is the spray head subassembly structure schematic diagram of the utility model.

[0012] Figure 3 It is the spray head subassembly structure sectional view of the utility model.

[0013] Figure 4 It is the A direction partial enlarged schematic diagram in Figure 3

[0014] Figure 5 It is the structure sectional view of the damping subassembly.

[0015] Figure 6 It is the B direction partial enlarged schematic diagram in Figure 4

[0016] The reference signs are: 1, frame;2, operation platform;3, spray head subassembly;4, support subassembly;5, damping subassembly;51, elastic piece;52, damping assembly;53, rubber suction accessory;54, electromagnetic assembly;55, magnetic suction piece;521, damping cylinder;522, damping piston;523, piston rod;541, electromagnetic coil;6, magnetic connection assembly;61, magnetic adsorption subassembly;62, positioning subassembly. DETAILED DESCRIPTION

[0017] The technical scheme in the embodiments of the utility model will be described clearly and completely in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without creative labor belong to the protection scope of the utility model.

[0018] Embodiment 1

[0019] ​​In the actual production process, due to the large vibration amplitude of high-speed printing, the size deviation of the insole is prone to occur, in order to solve the above problems, the embodiment is proposed.

[0020] Please refer to Figures 1 to 6 The utility model discloses an embodiment of personalized orthopedic insole making equipment based on 3D foot shape scanning and printing, including frame 1, operation platform 2, nozzle assembly 3 and support assembly 4 and 3D scanning device, frame 1 bottom is provided with damping assembly 5, nozzle assembly 3 is provided with magnetic connection assembly 6, nozzle assembly 3 passes through magnetic connection assembly 6 and is connected with support assembly 4 magnetic suction.

[0021] Please refer to Figure 4 And Figure 6 As shown in the figure, magnetic connection assembly 6 includes magnetic adsorption assembly 61 arranged on the connecting end of nozzle assembly 3 and positioning assembly 62 arranged on support assembly 4, the material of positioning assembly 62 is metal piece, magnetic adsorption assembly 61 and positioning assembly 62 are connected through magnetic attraction, and the cooperation surface of the two is provided with interfitting tooth profile structure, which can effectively prevent nozzle assembly 3 from displacement and rotation during work.

[0022] Please refer to Figure 5 As shown in the figure, damping assembly 5 includes elastic member 51, damping assembly 52, rubber suction accessory 53 and electromagnetic assembly 54.

[0023] Damping assembly 52 includes damping cylinder 521, damping piston 522 is slidably connected in the cavity of damping cylinder 521, piston rod 523 is arranged at the top end of damping piston 522, and electromagnetic coil 541 is axially wound on piston rod 523.

[0024] The end of piston rod 523 away from damping piston 522 is fixedly connected with the bottom end of frame 1, magnetic attraction piece 55 is arranged at the bottom end in the cavity of damping cylinder 521, the top end of magnetic attraction piece 55 is elastically connected with the bottom end of damping piston 522 through elastic member 51, elastic member 51 is compression spring, the bottom end of damping cylinder 521 is fixedly connected with the top end of rubber suction accessory 53, and rubber suction accessory 53 can provide buffering and anti-skid effect.

[0025] The edge of operation platform 2 is provided with calibration assembly, and the calibration assembly includes emitting assembly and angle detection assembly, which is compared and calibrated with the data of 3D scanning device in real time, to ensure the accuracy of printing position.

[0026] Support assembly 4 is provided with automatic positioning assembly, and the automatic positioning assembly includes distance detection assembly and fine adjustment driving assembly, and the fine adjustment driving assembly is connected with support assembly 4 through sliding connection.

[0027] The work platform 2 adopts a composite sandwich structure, is filled with damping materials inside, and is provided with an antiskid layer on the surface, and the surface roughness of the antiskid layer is optimized in design, so that the antiskid effect can be ensured, and the laying and forming of the printing material are not affected.

[0028] The 3D scanning device is connected with the control system of the device through a data line to realize data transmission and interaction, and adopts high-precision laser scanning technology, so that the three-dimensional shape data of the foot can be quickly and accurately acquired, and the scanning precision can reach ±0.1 mm.

[0029] In use, first, the device is adsorbed and fixed to the table top through the rubber adsorption accessory 53 to provide buffering and anti-skid effects, then the magnetic field strength is controlled by adjusting the current of the electromagnetic coil 541, and the elastic pre-tightening force of the elastic member 51 is changed by the magnetic attraction force of the magnetic adsorption member 55, which is more convenient than the conventional adjustment mode depending on the threaded rod, then buffering is performed through the damping assembly 52, and a progressive three-stage structure damping chain of “elastic member 51 buffering low-frequency vibration→damping assembly 52 consuming energy→rubber adsorption accessory 53 absorbing high-frequency vibration” is formed, so that the problem of size deviation of the insole caused by large vibration during printing is solved.

[0030] Embodiment 2

[0031] In actual use, it is found that there is also the problem of inconvenience in replacing different material nozzles during 3D printing due to the fact that the orthopedic insole needs to be composed of multiple materials, and further improvement is made on the basis of the above embodiment.

[0032] Please refer to Figure 4 and Figure 6 , in use, the nozzle assembly 3 is installed on the support assembly 4 through the magnetic attraction force between the magnetic adsorption assembly 61 and the positioning assembly 62, and the tooth-shaped structures of the two are nested with each other, which can effectively prevent the nozzle assembly 3 from being displaced and rotated during work, when the nozzle assembly 3 is replaced, the nozzle assembly 3 is only needed to be taken off from the support assembly 4 by overcoming the magnetic attraction force, and other specifications of the nozzle assembly 3 can be quickly replaced without using external tools, so that the problem of inconvenience in replacing different material nozzles during 3D printing due to the fact that the orthopedic insole needs to be composed of multiple materials is solved.

[0033] The above is only a preferred specific embodiment of the present application, but the protection scope of the present application is not limited thereto, any person skilled in the art can make equivalent replacement or change according to the technical scheme and the inventive concept of the present application within the technical range disclosed by the present application, which should be covered in the protection scope of the present application.

Claims

1. A device for making personalized orthopedic insoles based on 3D foot shape scanning and printing, comprising a frame (1), a work platform (2), a nozzle assembly (3) and a support assembly (4), and a 3D scanning device, characterized in that: The frame (1) is provided with a damping assembly (5) at the bottom, the spray head assembly (3) is provided with a magnetic connection assembly (6), and the spray head assembly (3) is connected with the support assembly (4) through the magnetic connection assembly (6).

2. The 3D foot scan and print based personalized orthotic insole making apparatus as claimed in claim 1 wherein: The magnetic connection assembly (6) comprises a magnetic adsorption assembly (61) arranged at the connecting end of the spray head assembly (3) and a positioning assembly (62) arranged on the support assembly (4), the magnetic adsorption assembly (61) and the positioning assembly (62) are connected through magnetic attraction, and the cooperation surfaces of the two are provided with tooth-shaped structures nested with each other.

3. The 3D foot scan and print based personalized orthotic insole making apparatus as claimed in claim 2, wherein: The damping assembly (5) comprises an elastic member (51), a damping assembly (52), a rubber absorbing member (53) and an electromagnetic assembly (54).

4. The 3D foot scan and print based personalized orthotic insole making apparatus as claimed in claim 3, wherein: The damping assembly (52) comprises a damping cylinder (521), a damping piston (522) slidably connected in the damping cylinder (521), a piston rod (523) arranged at the top end of the damping piston (522), and an electromagnetic coil (541) axially wound on the piston rod (523).

5. The 3D foot scan and print based personalized orthotic insole making apparatus as claimed in claim 4, wherein: The end of the piston rod (523) away from the damping piston (522) is fixedly connected with the bottom end of the frame (1), a magnetic attraction piece (55) is arranged at the bottom end in the damping cylinder (521), the top end of the magnetic attraction piece (55) is elastically connected with the bottom end of the damping piston (522) through the elastic member (51), and the bottom end of the damping cylinder (521) is fixedly connected with the top end of the rubber absorbing member (53).

6. The 3D foot scan and print based personalized orthotic insole making apparatus as claimed in claim 5, wherein: The work platform (2) is provided with a calibration assembly at the edge, and the calibration assembly comprises a transmitting assembly and an angle detecting assembly.

7. The 3D foot scan and print based personalized orthotic insole making apparatus as claimed in claim 6, wherein: The support assembly (4) is provided with an automatic positioning assembly, the automatic positioning assembly comprises a distance detecting assembly and a fine adjustment driving assembly, and the fine adjustment driving assembly is connected with the support assembly (4) through sliding.

8. The 3D foot scan and print based personalized orthotic insole making apparatus as claimed in claim 7, wherein: The work platform (2) adopts a composite sandwich structure, is filled with damping material inside, and is provided with an anti-skid layer on the surface.

9. The 3D foot scan and print based personalized orthotic insole making apparatus as claimed in claim 8, wherein: The 3D scanning device is connected with the control system of the device through a data line to realize data transmission and interaction.

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