Hydrogel 3D printing device

Abstract

The invention relates to the field of 3D printing, in particular to a hydrogel 3D printing device which comprises a heating device, the heating device comprises a second platform, the second platform is fixed to a first platform of a base, the center of the second platform is further provided with a silicone oil cabin, and the silicone oil cabin is fixed to the second platform. One side of the second platform is further provided with a first insertion hole and a second insertion hole, the first insertion hole and the second insertion hole are both communicated with the silicone oil cabin body, in addition, the silicone oil cabin body is sealed through two spaced glass plates, and in addition, the bottom of the second platform is further provided with a heating plate; and the pressure relief assembly is arranged at the position of the first insertion hole. According to the invention, the advantages of less printing material consumption, convenient disassembly and assembly, good heating effect and capability of manually adding the printing material can be realized by effectively utilizing the structural configuration of the device.

Description

Technical Field

[0001] The present application relates to the field of 3D printing, and more specifically to a hydrogel 3D printing device. Background Art

[0002] Our previous hydrogel 3D method is as follows Fig.15 As shown, the cavity 200 where the shell is placed is usually filled with printing materials, so after printing is completed, a lot of printing materials will be wasted. In view of the above technical defects, our company adopts small droplet printing, that is, the shell is no longer filled with printing materials, but some printing materials are added in the center of the material discharge part 40 to meet the printing needs, thereby avoiding the waste of printing materials. It should also be noted that an external glass plate is also provided at 200, and the external glass plate is fixed on the external platform, and the shell is placed on the external platform at the same time, so that the bottom of the cavity 200 is closed by the external glass plate. It should be understood by those skilled in the art that after the device has been printed multiple times, the glass on the existing device for closing the bottom of the cavity 200 needs to be replaced, which makes the replacement of the glass plate more troublesome, and the invention only needs to take out the material discharge part. The heating method of the existing hydrogel 3D printing platform usually adopts hot air heating or electric heating plate, but the above method is not uniform in the actual process, thereby affecting the printing effect, and the present invention adopts silicone oil heating, and its bottom is evenly heated, and the effect is better than the mainstream heating method in the current market.

[0003] Therefore, there is a need to provide a hydrogel 3D printing device that consumes less printing materials, is easy to disassemble and assemble, has a good heating effect, and can manually add printing materials. Summary of the invention

[0004] The main purpose of the present application is to provide a hydrogel 3D printing device, wherein the hydrogel 3D printing device can effectively utilize its own structural configuration to achieve the advantage of good heating effect.

[0005] Another object of the present application is to provide a hydrogel 3D printing device, wherein the hydrogel 3D printing device includes a heating device and a pressure relief component, the heating device includes a second platform, the second platform is fixed on the first platform of the base, and the center of the second platform also has a silicone oil cabin, a first insertion hole and a second insertion hole are also provided on one side of the second platform, the first insertion hole and the second insertion hole are both connected to the silicone oil cabin, and the silicone oil cabin is sealed by two glass plates arranged at intervals, and a heating plate is also provided at the bottom of the second platform, the pressure relief component is arranged at the first insertion hole, and the discharge piece is arranged on the silicone oil cabin, that is, the heat conduction of silicone oil is used to ensure that the discharge piece is heated evenly to ensure the printing effect, and because printing is directly performed on the discharge piece, it is necessary to replace the glass plate used to seal the silicone oil. Compared with the prior art, the present invention is more convenient to replace consumables, and the setting of the pressure relief component further ensures the pressure in the silicone oil cabin.

[0006] Another object of the present application is to provide a hydrogel 3D printing device, wherein the hydrogel 3D printing device includes a locking assembly, which can achieve fast and convenient disassembly and assembly of the material discharge parts by virtue of its own structural configuration, thereby improving the user experience.

[0007] Another object of the present application is to provide a hydrogel 3D printing device, wherein the hydrogel 3D printing device includes a print head assembly, and the print head assembly also includes a hydrogel molding platform, the hydrogel molding platform cooperates with the bottom of the thermal block or the bottom of the heating block, and one side of the hydrogel molding platform also has a guide groove, that is, a shapeless guide groove is used to facilitate users to add printing materials, thereby reducing waste of printing materials.

[0008] Another object of the present application is to provide a hydrogel 3D printing device, wherein the hydrogel 3D printing device has a simple structure and is easy to operate, does not involve complex manufacturing processes and expensive materials, has high economy, and is easy to promote and use.

[0009] In order to achieve at least one of the above-mentioned invention purposes, the present application provides a hydrogel 3D printing device, comprising a base, a material discharge member, two locking devices, a lifting assembly and a print head assembly, wherein the material discharge member is arranged on the base, and the two locking devices are located on both sides of the material discharge member and are used to limit the position of the material discharge member, and the lifting assembly is arranged on the base and located on one side of the material discharge member, and the print head assembly is connected to the material discharge member, and the lifting assembly is configured to drive the print head assembly to rise and fall to a predetermined height, and the print head assembly is also facing the material discharge member, wherein the hydrogel 3D printing device comprises: A heating device, comprising a second platform, the second platform is fixed on the first platform of the base, and the center of the second platform is provided with a silicone oil chamber, a first insertion hole and a second insertion hole are provided on one side of the second platform, the first insertion hole and the second insertion hole are both connected to the silicone oil chamber, and the silicone oil chamber is sealed by two glass plates arranged at intervals, and a heating plate is provided at the bottom of the second platform; and A pressure relief component is disposed at the first insertion hole.

[0010] In one or more embodiments of the present application, the pressure relief assembly includes a first connecting stud, which is threadedly connected to the first insertion hole, wherein the first connecting bolt is a hollow stud, and a first adapter is fixed to the side of the first connecting stud facing away from the second platform.

[0011] In one or more embodiments of the present application, the pressure relief assembly further includes a first air pipe, one end of which is disposed at an end of the first adapter away from the first connecting stud, and the other end of the first air pipe extends vertically a predetermined distance.

[0012] In one or more embodiments of the present application, the pressure relief assembly further includes a second adapter, one end of which is fixedly connected to an end of the first air pipe away from the first adapter, and the other end of the second adapter extends away from the first air pipe by a predetermined distance. In one or more embodiments of the present application, the pressure relief assembly also includes a second air pipe, one end of which is fixedly connected to an end of the second adapter away from the first air pipe, and the other end extends a predetermined distance away from the second adapter, and the end of the second air pipe away from the second adapter also has a plug.

[0013] In one or more embodiments of the present application, a connecting pipe and a pipe disassembly plug placed on the connecting pipe are further provided in the second insertion hole.

[0014] In one or more embodiments of the present application, a plurality of evenly distributed first magnetic blocks are further provided on the top of the second platform, and the plurality of first magnetic blocks are in a rectangular array, wherein the hydrogel 3D printing device further includes a mist guide shell, which is disposed on the second platform and cooperates with the plurality of first magnetic blocks, and the mist guide shell is annular, and the discharge piece is located at the center of the mist guide shell, and an external humidifier is connected to the mist guide shell.

[0015] In one or more embodiments of the present application, each of the locking devices comprises a rotating rod, two elastic members and a sleeve ring, wherein the two elastic members are located on the upper side of the sleeve ring and are arranged on the rotating rod. The rotating rod is arranged vertically, one end of the rotating rod is rotatably connected to the top of the second platform, and the rotating rod also has an annular protrusion, which is located between the two elastic members.

[0016] In one or more embodiments of the present application, each of the locking devices includes a rotating block, the top of the rotating block has a step hole, the step hole passes through the rotating block, and the annular protrusion cooperates with the bottom of the step hole, and one of the elastic members is facing the step hole and rests on the bottom of the rotating block, and the other end cooperates with the second platform, thereby limiting the distance between the rotating block and the second platform.

[0017] In one or more embodiments of the present application, the rotating rod also passes through the step hole, and the other elastic member is also placed at the top of the step hole, and the ring is located on the upper side of the rotating block to limit the elastic member located at the top of the step hole, and the bottom of the rotating block also has a supporting portion, and the side of the supporting portion facing away from the rotating rod has an arc-shaped extrusion surface.

[0018] In one or more embodiments of the present application, the lifting assembly includes a frame, which is vertically arranged and fixed on the top of the base, and the frame is also separated from the second platform by a predetermined distance. The lifting assembly also includes a driving assembly and a support arm, the driving assembly is arranged on the frame, and the support arm cooperates with the driving assembly, and the driving assembly is configured to drive the support arm to rise and fall to a predetermined height, and the print head assembly is installed on the side of the support arm away from the driving assembly.

[0019] In one or more embodiments of the present application, the printing assembly includes a quick-release head, which cooperates with the end of the support arm facing away from the driving assembly. The top of the support arm has a positioning hole, and the positioning hole is located at the end of the support arm facing away from the driving assembly. At the same time, the quick-release head has a matching cavity at one end close to the support arm, and the top of the quick-release head has a strip notch, the strip notch and the matching cavity, that is, the end of the support arm is slidably placed in the matching cavity, and the positioning hole is located in the strip notch.

[0020] In one or more embodiments of the present application, the print head assembly also includes two connecting plates, which are respectively fixed on both sides of the quick-release head, and the print head assembly also includes a heat conductive block, which is located on the lower side of the quick-release head and is spaced a predetermined distance apart, and at the same time, the sides of the two connecting plates that are close to each other are fixedly connected to both sides of the heat conductive block.

[0021] In one or more embodiments of the present application, the print head assembly also includes a heating block, which is magnetically connected to the side of the heat conductive block close to the frame, and two limit blocks are fixed at both ends of the support arm, and the side where the two limit blocks are close to each other also has a protrusion, and both sides of the heating block have a limit groove, and the two limit grooves respectively cooperate with the two protrusions.

[0022] In one or more embodiments of the present application, the print head assembly further includes a hydrogel molding platform, which cooperates with the bottom of the thermal conductive block or the bottom of the heating block, and one side of the hydrogel molding platform also has a guide groove. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] These and / or other aspects and advantages of the present application will become clearer and easier to understand from the following detailed description of the embodiments of the present application in conjunction with the accompanying drawings, in which: Figure 1 The figure shows a schematic structural diagram of a hydrogel 3D printing device.

[0024] Figure 2 A partial cross-sectional view of a hydrogel 3D printing device is shown.

[0025] Figure 3 The figure shows a schematic diagram of the bottom structure of the heating device.

[0026] Figure 4 The figure shows a schematic diagram of the top surface structure of the heating device.

[0027] Figure 5 The figure shows a schematic structural diagram of the second platform.

[0028] Figure 6 The figure shows a schematic diagram of the structure of the pressure relief assembly.

[0029] Figure 7 The figure shows a schematic structural diagram of the mist guide shell.

[0030] Figure 8 The diagram shows the structure of the rotating block. Figure 1 .

[0031] Fig. 9 The diagram shows the structure of the rotating block. Figure 2 .

[0032] Fig.10 The figure shows a partial structural schematic diagram of the locking device.

[0033] Fig.11 The figure shows a schematic diagram of the structure of the drive assembly.

[0034] Fig.12 The figure shows a schematic structural diagram of a print head assembly.

[0035] Fig.13 Another embodiment of a hydrogel forming platform is illustrated.

[0036] Fig.14 The figure shows a partial structural schematic diagram of a print head assembly.

[0037] Fig.15 The figure shows a schematic diagram of existing hydrogel printing methods. DETAILED DESCRIPTION

[0038] The terms and words used in the following specification and claims are not limited to the literal meanings, but are merely used by the inventor to enable a clear and consistent understanding of the present application. Therefore, it will be apparent to those skilled in the art that the following description of various embodiments of the present application is provided for illustrative purposes only and not for the purpose of limiting the present application as defined by the appended claims and their equivalents.

[0039] It is to be understood that the term "one" should be understood as "at least one" or "one or more", that is, in one embodiment, the number of an element may be one, while in another embodiment, the number of the element may be multiple, and the term "one" should not be understood as a limitation on the quantity.

[0040] Although ordinals such as "first," "second," and the like will be used to describe various components, those components are not limited herein. The term is used only to distinguish one component from another. For example, a first component may be referred to as a second component, and likewise, a second component may be referred to as a first component without departing from the teachings of the inventive concept. The term "and / or" as used herein includes any and all combinations of one or more associated listed items.

[0041] The terms used herein are only used for the purpose of describing various embodiments and are not intended to be limiting. As used herein, singular forms are intended to also include plural forms, unless the context clearly indicates an exception. In addition, it will be understood that the terms "including" and / or "having" when used in this specification specify the presence of the described features, numbers, steps, operations, components, elements or combinations thereof, without excluding the presence or addition of one or more other features, numbers, steps, operations, components, elements or groups thereof.

[0042] Schematic diagram of hydrogel 3D printing device refer to Figures 1 to 14 According to a preferred embodiment of the hydrogel 3D printing device of the present invention, it should be noted that the structure of the hydrogel 3D printing device is as follows Figure 1 As shown, it includes a base 10 , the top of the base 10 has a first platform 11 , and the hydrogel 3D printing device includes a heating device 20 , and the heating device 20 is fixed on the first platform 11 .

[0043] Specifically, the heating device 20 includes a second platform 21, which is fixed on the first platform 11, and the bottom of the first platform 11 is also separated from the second platform 21 by a predetermined distance. In addition, the heating device 20 also includes a heating plate 22, which is fixed at the bottom of the second platform 21, and the heating plate 22 is annular. In addition, the center of the second platform 21 also has a silicone oil tank 2101, wherein those skilled in the art should understand that the silicone oil tank 2101 is used to fill silicone oil, and the sealing method of the silicone oil tank 2101 can be achieved by two spaced glass plates, thereby limiting the position of the silicone oil in the silicone oil tank 2101. In addition, it should be noted that a first insertion hole 2102 and a second insertion hole 2103 are also provided on one side of the second platform 21, and the first insertion hole 2102 and the second insertion hole 2103 are both connected to the silicone oil tank 2101. It should be noted that the first insertion hole 2102 and the second insertion hole 2103 can be used as an oil filling port.

[0044] It is worth mentioning that the hydrogel 3D printing device also includes a pressure relief component 30, which is arranged at the first insertion hole 2102. That is, those skilled in the art should understand that the second platform 21 is configured to be heated by its built-in heating plate 22, so that the silicone oil in the silicone oil cabin 2101 expands, so that the expanded silicone oil can be guided to the pressure relief component 30.

[0045] Specifically, the pressure relief assembly 30 includes a first connecting stud 31, which is threadedly connected to the first insertion hole 2102, wherein the first connecting stud 31 is a hollow stud, and a first adapter 32 is fixed to the side of the first connecting stud 31 away from the second platform 21, wherein the first adapter 32 is a right-angle air pipe.

[0046] Furthermore, the pressure relief assembly 30 further includes a first air pipe 33 , one end of which is disposed at an end of the first adapter 32 away from the first connecting stud 31 , and the other end of the first air pipe 33 vertically extends a predetermined distance.

[0047] Furthermore, the pressure relief assembly 30 also includes a second adapter 34, one end of the second adapter 34 is fixedly connected to one end of the first air pipe 33 away from the first adapter 32, and the other end extends a predetermined distance away from the first air pipe 33. It should be noted that the second adapter 34 is a hollow pipe, and the first air pipe 33 can be fixed on the second adapter 34 by interference fit.

[0048] Furthermore, the pressure relief assembly 30 further includes a second air pipe 35, one end of which is fixedly connected to the end of the second adapter 34 away from the first air pipe 33, and the other end of which extends a predetermined distance in a direction away from the second adapter 34, wherein the connection method between the second air pipe 35 and the second adapter 34 is consistent with the connection method between the first air pipe 33 and the second adapter 34. It should be noted that the first air pipe 33 can be implemented as a plastic pipe, and the second air pipe 35 can be implemented as a silicone hose, i.e., a hose, and the end of the second air pipe 35 away from the second adapter 34 also has a plug to block the second air pipe 35. Specifically, when the silicone oil in the silicone oil tank 2101 expands so that the expanded silicone oil can be guided to the pressure relief assembly 30, the second air pipe 35 will expand to ensure that the pressure in the silicone oil tank 2101 will not be too high.

[0049] It should also be noted that the pressure relief assembly 30 also includes a support frame 36, which is fixed on the wall of the second platform 21 where the first insertion hole 2102 is provided, and has a guide cavity 3601, and the first connecting stud 31, the first adapter 32, the first air pipe 33 and the second adapter 34 are all placed in the guide cavity 3601.

[0050] It is worth mentioning that a connecting pipe and a pipe disassembly plug 37 placed on the connecting pipe are also provided in the second insertion hole 2103, that is, the connecting pipe is threadedly connected to the second insertion hole 2103, and the user can manually disassemble the pipe disassembly plug 37. Specifically, when trace bubbles appear in the silicone oil cabin 2101, the user can manually place the second platform 21 vertically, then pull out the pipe disassembly plug 37, and press the second air pipe 35 to discharge the bubbles from the connecting pipe, and then install the pipe disassembly plug 37 for continued use.

[0051] Specifically, the hydrogel 3D printing device also includes a material discharger 40, which is placed in the silicone oil chamber 2101 and contacts the glass plate located on the upper side of the silicone oil chamber 2101. When the heating plate 22 heats the second platform 21, the silicone oil in the silicone oil chamber 2101 can quickly direct the heat to the material discharger 40, and the above-mentioned material discharger 40 is used to place printing materials, that is, printing is performed by photocuring.

[0052] It should also be noted that a plurality of evenly distributed first magnetic blocks are arranged on the top of the second platform 21, and the plurality of first magnetic blocks are in a rectangular array, wherein the hydrogel 3D printing device also includes a mist guide shell 50, and the mist guide shell 50 is arranged on the second platform 21 and cooperates with the plurality of first magnetic blocks, that is, the mist guide shell 50 is limited on the second platform 21 by magnetic attraction, and the mist guide shell 50 is annular, and the discharge piece 40 is located at the center of the mist guide shell 50, and the mist guide block is connected to the pipeline of the external humidifier, that is, when the water mist passes through the mist guide shell 50 and is sprayed onto the printing material on the discharge piece 40, the humidity of the printing material is ensured.

[0053] Specifically, the hydrogel 3D printing device also includes two locking devices 60, which are arranged opposite to each other and separated by a predetermined distance, and the two locking devices 60 are both located on the top of the second platform 21 and on both sides of the discharge member 40, and the two locking devices 60 are configured to limit the position of the discharge member 40.

[0054] Furthermore, each of the locking devices 60 includes a rotating rod 61, two elastic members 62 and a sleeve ring 63, wherein the two elastic members 62 are located on the upper side of the sleeve ring 63 and are arranged on the rotating rod 61. The rotating rod 61 is arranged vertically, and one end of the rotating rod 61 is rotatably connected to the top of the second platform 21. Specifically, the second platform 21 has a mounting hole that matches the end of the rotating rod 61, thereby limiting the position of the rotating rod 61. It should be noted that the rotating rod 61 also has an annular protrusion 611, and the annular protrusion 611 is located between the two elastic members 62.

[0055] Furthermore, each of the locking devices 60 includes a rotating block 64, the top of the rotating block 64 has a stepped hole 6401, the stepped hole 6401 passes through the rotating block 64, and the annular protrusion 611 cooperates with the bottom of the stepped hole 6401, and one of the elastic members 62 faces the stepped hole 6401 and abuts against the bottom of the rotating block 64, and the other end cooperates with the second platform 21, thereby limiting the distance between the rotating block 64 and the second platform 21. The rotating rod 61 also passes through the stepped hole 6401, and another elastic member 62 is also placed at the top of the stepped hole 6401, and the collar 63 is located on the upper side of the rotating block 64 to limit the elastic member 62 located at the top of the stepped hole 6401. It should be noted that the connection method between the collar 63 and the rotating rod 61 includes but is not limited to a threaded connection, and the elastic member 62 located at the top of the step hole 6401 is in frictional contact with the side wall forming the step hole 6401. At the same time, the connection method between the rotating rod 61 and the second platform 21 can be implemented as a threaded connection, that is, when the user tightens the rotating rod 61, the collar 63 will move downward by a predetermined distance, thereby squeezing the elastic member 62 located at the top of the step hole 6401, thereby preliminarily defining the position of the rotating block 64. In addition, in the process of rotating the rotating rod 61, since the elastic member 62 located at the top of the step hole 6401 is in frictional contact with the side wall forming the step hole 6401, it will drive the rotating block 64 to deflect by a predetermined angle, thereby facilitating the use of the locking device 60. As for how to use it conveniently, it is described as follows. The bottom of the rotating block 64 also has a supporting portion 641, and the side of the supporting portion 641 away from the rotating rod 61 has an arc-shaped extrusion surface, that is, when the user rotates the rotating rod 61, the rotating block 64 is configured to be able to swing a predetermined distance toward or away from the material discharge member 40, that is, when the rotating block 64 swings a predetermined angle toward the material discharge member 40, the arc-shaped extrusion surface will contact and abut against the side wall of the material discharge member 40, so that the rotating block 64 cannot rotate. At this time, the user continues to rotate the rotating rod 61 to press the collar 63 downward. , thereby squeezing the rotating block 64 to limit the position of the rotating block 64, and at the same time, the ends of the two rotating blocks 64 close to each other will be located above the discharge member 40, thereby limiting the position of the discharge member 40, conversely, when the rotating block 64 is swung away from the discharge member 40 by a predetermined angle, the ends of the two rotating blocks 64 close to each other no longer limit the position of the discharge member 40, that is, the operating convenience of the locking assembly is improved by the above method. It should also be noted that a screw cap is also provided on the top of the rotating rod 61, and the user can conveniently adjust the locking assembly through the screw cap.

[0056] The hydrogel 3D printing device also includes a lifting assembly 70, which is arranged on the top of the base 10, and the lifting assembly 70 includes a frame 71, which is vertically arranged and fixed on the top of the base 10, and the frame 71 is also spaced a predetermined distance from the second platform 21. It is worth mentioning that the lifting assembly 70 also includes a driving assembly 72 and a support arm 73. The driving assembly 72 is arranged on the frame 71, and the support arm 73 cooperates with the driving assembly 72. Specifically, the driving assembly 72 is configured to drive the support arm 73 to move up and down a predetermined distance, that is, the implementation method of the driving assembly 72 can be implemented as a motor, a lead screw and a slider. At the same time, the frame 71 also has a strip mounting groove, and the motor, the lead screw and the slider are all arranged in the strip mounting groove, and the motor is close to the top of the frame 71. In addition, the motor cooperates with the lead screw, and the slider is placed on the lead screw. It should be understood by those skilled in the art that when the above-mentioned motor is operating, the lead screw rotates, and the slider moves up or down a predetermined distance, and the support arm 73 moves up or down a predetermined distance synchronously.

[0057] Specifically, the hydrogel 3D printing device further includes a print head assembly 80, which is mounted on a side of the support arm 73 away from the drive assembly 72. Specifically, the print assembly can move downward a predetermined distance so that the print assembly can face the printing material on the material placing member 40. The printing assembly includes a quick-release head 81, and the quick-release head 81 cooperates with the end of the support arm 73 away from the driving assembly 72. Specifically, the top of the support arm 73 has a positioning hole, and the positioning hole is located at the end of the support arm 73 away from the driving assembly 72. At the same time, the quick-release head 81 has a matching cavity 8102 at the end close to the support arm 73, and the top of the quick-release head 81 has a strip notch 8101. The strip notch 8101 and the matching cavity 8102, that is, the end of the support arm 73 is slidably placed in the matching cavity 8102, and the positioning hole is located in the strip notch 8101. At this time, the user can use an external hand-tightening screw 82 to threadably connect with the positioning hole and squeeze the top of the quick-release head 81, so as to limit the position of the quick-release head 81.

[0058] Furthermore, the print head assembly 80 further includes two connecting pieces 83, which are respectively fixed on both sides of the quick release head 81, and the print head assembly 80 further includes a heat conduction block 84, which is located at the lower side of the quick release head 81 and is spaced at a predetermined distance, and the sides of the two connecting pieces 83 close to each other are fixedly connected to both sides of the heat conduction block 84. The connection between the connecting piece 83 and the quick release head 81 can be implemented as a screw connection, and the connection between the connecting piece 83 and the heat conduction plate can also be implemented as a screw connection. In addition, a heat insulating gasket is provided at the connection between the external screw and the connecting piece 83, so that heat can be guided to the quick release head 81 through the connecting piece 83.

[0059] Furthermore, the print head assembly 80 also includes a heating block 84, and the heating block 84 is magnetically connected to the side of the heat conductive block 84 close to the frame 71. Specifically, two limit blocks 85 are fixed to both ends of the support arm 73, and the side where the two limit blocks 85 are close to each other also has a protrusion, and both sides of the heating block 84 have a limit groove, and the two limit grooves respectively cooperate with the two protrusions, so as to support the heating block 84, that is, the user matches the above-mentioned heating block 84 with the heat conductive block 84, and then installs the limit block 85. It should also be noted that the implementation method of the above-mentioned heating block 84 and the heat conductive block 84 can also be changed, that is, the heat conductive block 84 is eliminated, and the heating block 84 is directly matched with the two connecting pieces 83, thereby improving the heating efficiency. It is worth mentioning that the present invention has the following features: Figure 1 As shown in the temperature control module 100 , the heating block 84 can be connected to the temperature control module 100 .

[0060] It should be noted that the print head assembly 80 also includes a hydrogel molding platform 86, the structure of which is as follows: Fig.13 As shown, the hydrogel forming platform 86 is matched with the bottom of the heat conducting block 84 or the bottom of the heating block 84, and the connection method can be implemented as a magnetic connection. In addition, one side of the hydrogel forming platform 86 also has a guide groove 8601, wherein the structure of the guide groove 8601 is as shown in FIG. Fig.12 and 13 In the two implementation modes shown, when reprinting, the user can add a small amount of printing material on the material discharger 40, and then the user can add printing material through the guide groove 8601 according to the subsequent printing situation, thereby effectively reducing the waste of printing materials in this way.

[0061] In summary, the hydrogel 3D printing device based on the embodiment of the present application is explained, which provides the hydrogel 3D printing device with advantages such as less consumption of printing materials, convenient disassembly and assembly, good heating effect, and the ability to manually add printing materials.

[0062] It is worth mentioning that in the embodiments of the present application, the hydrogel 3D printing device has a simple structure, does not involve complex manufacturing processes and expensive materials, and has high economic efficiency. At the same time, for manufacturers, the hydrogel 3D printing device provided by the present application is easy to produce and has low cost, which is more conducive to controlling production costs and further conducive to product promotion and use.

[0063] It should be understood by those skilled in the art that the embodiments of the present invention described above and shown in the accompanying drawings are only examples and do not limit the present invention. The purpose of the present invention has been fully and effectively achieved. The functional and structural principles of the present invention have been demonstrated and explained in the embodiments, and the embodiments of the present invention may be deformed or modified in any way without departing from the principles.

Claims

1. A hydrogel 3D printing device, comprising a base, a material discharge member, two locking devices, a lifting assembly and a print head assembly, wherein the material discharge member is arranged on the base, and the two locking devices are located on both sides of the material discharge member and are used to limit the position of the material discharge member, and the lifting assembly is arranged on the base and located on one side of the material discharge member, and the print head assembly is connected to the material discharge member, and the lifting assembly is configured to drive the print head assembly to rise and fall to a predetermined height, and the print head assembly is also directly opposite to the material discharge member, It is characterized in that The hydrogel 3D printing device comprises: A heating device, comprising a second platform, the second platform is fixed on the first platform of the base, and the center of the second platform is provided with a silicone oil chamber, a first insertion hole and a second insertion hole are provided on one side of the second platform, the first insertion hole and the second insertion hole are both connected to the silicone oil chamber, and the silicone oil chamber is sealed by two glass plates arranged at intervals, and a heating plate is provided at the bottom of the second platform; and A pressure relief component is disposed at the first insertion hole.

2. The hydrogel 3D printing device according to claim 1, wherein the pressure relief assembly comprises a first connecting stud, the first connecting stud is threadedly connected to the first insertion hole, the first connecting bolt is a hollow stud, and a first adapter is also fixed to the side of the first connecting stud facing away from the second platform.

3. The hydrogel 3D printing device according to claim 2, wherein the pressure relief assembly further comprises a first air pipe, one end of the first air pipe being arranged at an end of the first adapter away from the first connecting stud, and the other end extending vertically a predetermined distance.

4. The hydrogel 3D printing device according to claim 3, wherein the pressure relief assembly further comprises a second adapter, one end of the second adapter being fixedly connected to an end of the first air tube away from the first adapter, and the other end extending a predetermined distance in a direction away from the first air tube.

5. The hydrogel 3D printing device according to claim 4, wherein the pressure relief assembly further comprises a second air pipe, one end of the second air pipe is fixedly connected to an end of the second adapter away from the first air pipe, and the other end extends a predetermined distance away from the second adapter, and the end of the second air pipe away from the second adapter also has a plug.

6. The hydrogel 3D printing device according to claim 1, wherein a connecting tube and a pipeline disassembly plug placed on the connecting tube are also provided in the second insertion hole.

7. The hydrogel 3D printing device according to claim 1, wherein a plurality of evenly distributed first magnetic blocks are further arranged on the top of the second platform, and the plurality of first magnetic blocks are in a rectangular array, wherein the hydrogel 3D printing device further comprises a mist guide shell, which is arranged on the second platform and cooperates with the plurality of first magnetic blocks, and the mist guide shell is annular, and the discharge member is located at the center of the mist guide shell, and an external humidifier is connected to the mist guide shell.

8. The hydrogel 3D printing device according to claim 1, wherein each of the locking devices comprises a rotating rod, two elastic members and a sleeve ring, the two elastic members are located on the upper side of the sleeve ring and are arranged on the rotating rod. The rotating rod is arranged vertically, one end of the rotating rod is rotatably connected to the top of the second platform, and the rotating rod also has an annular protrusion, which is located between the two elastic members.

9. The hydrogel 3D printing device according to claim 8, wherein each of the locking devices comprises a rotating block, the top of the rotating block has a stepped hole, the stepped hole passes through the rotating block, and the annular protrusion cooperates with the bottom of the stepped hole, and one of the elastic members faces the stepped hole and abuts against the bottom of the rotating block, and the other end cooperates with the second platform, thereby limiting the distance between the rotating block and the second platform.

10. The hydrogel 3D printing device according to claim 9, wherein the rotating rod also passes through the step hole, and another elastic member is also placed at the top of the step hole, and the collar is located on the upper side of the rotating block to limit the elastic member located at the top of the step hole, and the bottom of the rotating block also has a supporting portion, and the side of the supporting portion facing away from the rotating rod has an arc-shaped extrusion surface.

11. The hydrogel 3D printing device according to claim 1, wherein the lifting assembly comprises a frame, the frame is vertically arranged and fixed on the top of the base, and the frame is also spaced a predetermined distance from the second platform, the lifting assembly also comprises a driving assembly and a support arm, the driving assembly is arranged on the frame, and the support arm cooperates with the driving assembly, and the driving assembly is configured to drive the support arm to rise and fall a predetermined height, and the print head assembly is installed on a side of the support arm away from the driving assembly.

12. The hydrogel 3D printing device according to claim 11, wherein the printing component includes a quick-release head, the quick-release head cooperates with the end of the support arm away from the driving component, the top of the support arm has a positioning hole, the positioning hole is located at the end of the support arm away from the driving component, and the end of the quick-release head close to the support arm has a matching cavity, and the top of the quick-release head has a strip notch, the strip notch and the matching cavity, that is, the end of the support arm is slidably placed in the matching cavity, and the positioning hole is located in the strip notch.

13. The hydrogel 3D printing device according to claim 12, wherein the print head assembly further comprises two connecting plates, which are respectively fixed on both sides of the quick-release head, and the print head assembly further comprises a heat conductive block, which is located on the lower side of the quick-release head and is spaced a predetermined distance apart, and the sides of the two connecting plates close to each other are fixedly connected to both sides of the heat conductive block.

14. The hydrogel 3D printing device according to claim 13, wherein the print head assembly further comprises a heating block, wherein the heating block is magnetically connected to a side of the heat conductive block close to the frame, and two limit blocks are fixed to both ends of the support arm, and a protrusion is provided on a side where the two limit blocks are close to each other, and a limit groove is provided on both sides of the heating block, and the two limit grooves respectively cooperate with the two protrusions.

15. The hydrogel 3D printing device according to claim 13 or 14, wherein the print head assembly further comprises a hydrogel molding platform, the hydrogel molding platform cooperates with the bottom of the thermal block or the bottom of the heating block, and one side of the hydrogel molding platform also has a guide groove.

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