WO2018090160A1

WO2018090160A1 - 3d printing pen

Info

Publication number: WO2018090160A1
Application number: PCT/CN2016/000672
Authority: WO
Inventors: 黄华兴; 苏荣丁; 王博文
Original assignee: 黄华兴; 苏荣丁; 王博文
Priority date: 2016-11-15
Filing date: 2016-12-05
Publication date: 2018-05-24
Also published as: CN106564184A; CN106564184B

Abstract

A 3D printing pen, comprising a control part, a drive part, a feed part, and a heating part, the control part, the drive part, the feed part, and the heating part all being installed in an inner rubber component (1), respectively being secured in preset installation positions of the inner rubber component (1), the inner rubber component (1) being entirely placed in an outer shell (2), an open end of one end of the outer shell (2) being secured by means of a tail fastener (3), and the other open end being sealed by means of a pen nib outer shell (4), and the heating part being installed at an output end of the feed part; the control part comprises a control board (5), the control board (5) being respectively electrically connected to the heating part and the drive part (7) by means of an interface groove; the present 3D printing pen uses gearbox mechanical deceleration, a relief bearing structure, and dual-shaft synchronous delivery of raw materials, greatly improving the technical bottleneck of material blockages faced by current 3D printing pens, and thus significantly improving the experience of the user of the 3D printing pen; residual material in the channel can be easily removed by means of the removable feed part, facilitating maintenance.

Description

a 3D printing pen

Technical field

The present invention relates to the field of 3D printing, and in particular to a 3D printing pen.

Background technique

3D printing (3DP) is a kind of rapid prototyping technology. It is a technique for constructing objects by layer-by-layer printing based on digital model files and using adhesive materials such as powder metal or plastic.

3D printing is usually done using a digital technology material printer. It is often used in the manufacture of molds in the fields of mold manufacturing, industrial design, etc., and is gradually used for the direct manufacture of some products. There are already parts printed using this technology. The technology is used in the jewelry, footwear, industrial design, construction, engineering and construction (AEC), automotive, aerospace, dental and medical industries, education, geographic information systems, civil engineering, firearms and other fields.

The patent number disclosed in the prior art is 201310266463.8, and the patent is a Chinese invention patent of a 3D printing pen. The technical problem to be solved is to provide a reasonable design, small size, convenient use, and quick drawing of a 3D perspective picture. It mainly includes the casing, nozzle, heating chamber, motor device, feeding tube, control board and button board. However, in this technology, 1, the use of PTFE feeding tube, the disadvantage is that if a plug occurs, it will be difficult to maintain, and can only be sent to the factory for repair;

2. The motor device drives the driving wheel by the rotating shaft to drive the driven wheel. The disadvantage is that the material is not evenly stressed, it is easy to jam, and the driven wheel is easy to overheat and heat up;

3. The heating chamber adopts hollow aluminum block, heating sheet and thermal insulation layer, which has complex structure and increased cost.

Therefore, the technology has many shortcomings.

Summary of the invention

The technical problem to be solved by the invention is to provide a solution to the problem that the prior art is easy to jam, the material is unevenly stressed, the heating cavity structure is complicated, and the plug is prone to blockage, thereby providing a gearbox mechanical deceleration and convexity. The bearing structure and the double-axis synchronous conveying of raw materials greatly improve the technical bottleneck of the card material (slip) which is difficult to overcome by the current 3D pen, and can easily take out the residual material in the channel and is easy to maintain.

The present invention is achieved by the following technical solution: a 3D printing pen comprising a control portion, a driving portion, a feeding portion and a heating portion, wherein the control portion, the driving portion, the feeding portion and the heating portion are all mounted on one inner rubber member The inner rubber member is respectively fixed in a predetermined mounting position, and the inner rubber member is integrally placed in one outer casing. The open end of the outer casing is fixed by the tail buckle, and the other open end is sealed by the pen outer casing, and the heating portion is installed on the inner portion. Feeding part output end;

The control part comprises a control board, the control board is provided with a button component corresponding to the control driving part and the heating part, and the control board is electrically connected to the heating part and the driving part respectively through the interface slot;

The driving part comprises a motor and a gearbox, the motor and the gearbox are integrated, the motor has a DC connector at one end, the motor is mechanically decelerated by the gearbox, and has a double rod output shaft, and each of the double rod output shafts is provided with a ridge. The bearing and the upper end of the embossed bearing are provided with a two-way conveying wheel, and a material conveying position is formed between the two-way conveying wheel, the feeding tube passes through the material conveying position and is connected with the feeding portion, and the two-way conveying wheel rotates to drive the feeding tube into the feeding tube. material;

The feeding portion comprises a feeding bottom plate and a feeding cover plate, and the two are assembled with each other, wherein a feeding passage is formed therebetween, and the feeding feeding pipe is connected to the feeding portion and communicates with the feeding passage formed inside.

As a preferred technical solution, one end of the feeding channel formed between the feeding bottom plate and the feeding cover plate The other end of the feeding tube is connected to the fixed glue hole on the needle fixing rubber member, and the other end of the fixing glue hole is fixed through the entire needle position and is connected to the heating portion.

As a preferred technical solution, the heating part comprises a heating head, the heating head adopts a ceramic head, and the heating wire is inside, the heating wire controls heating by the control board, the discharging channel is arranged inside the ceramic head, and the discharging passage inside the ceramic head is The feeding channel is connected, the head of the ceramic head protrudes from the outside of the outer casing, and the ceramic heating head and the needle fixing rubber component are connected and connected by the pin rubber component, and the pin rubber component has two pin heads, and the pin glue The pin ends of the two pieces are respectively buckled into the inside of the needle fixing rubber member and the heating head to complete the conduction of the two channels.

As a preferred technical solution, the housing has a display panel connected to the internal control panel, and the housing is further provided with a function button, the function button is opposite to the button component disposed on the control panel, and the button component controls the driving portion. Reverse and convey material.

As a preferred technical solution, the motor of the driving portion and the gearbox are all mounted in the motor glue member, and the motor glue member is fixed inside the rubber member for positioning the driving portion.

As a preferred technical solution, a pen holder is disposed outside the tip of the 3D printing pen, and the pen tip extends into the pen holder for fixing.

As a preferred technical solution, the outer casing is made of an aluminum profile, and includes an outer cover of the outer casing and a lower cover of the outer casing. The outer cover of the outer cover and the lower cover of the outer casing are assembled and disassembled by a button structure.

The invention has the beneficial effects that: the 3D printing pen of the invention has (1) adopts gearbox mechanical deceleration, and a embossed bearing structure, and the two-axis synchronous conveying raw materials greatly improves the bottleneck (slip) technical bottleneck which is difficult to overcome by the current 3D pen. Will greatly improve the user's good experience with the 3D pen; (2) through the detachable feeding part, The residue in the channel can be easily taken out for easy maintenance; (3) The aluminum profiled shell is purchased, and the twist-button structure is purchased, which is easy to disassemble and easy to maintain.

DRAWINGS

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the description of the prior art will be briefly described below. Obviously, the drawings in the following description are only It is a certain embodiment of the present invention, and other drawings can be obtained from those skilled in the art without any creative work.

Figure 1 is a schematic view of an exploded structure of the present invention;

2 is a schematic view of the overall assembly of the present invention;

Figure 3 is a schematic block diagram of the present invention;

Figure 4 is a schematic diagram of the product of the present invention after it enters a sleep state.

detailed description

All of the features disclosed in this specification, or steps in all methods or processes disclosed, may be combined in any manner other than mutually exclusive features and/or steps.

Any feature disclosed in the specification, including any additional claims, abstract and drawings, may be replaced by other equivalents or alternative features, unless otherwise stated. That is, unless specifically stated, each feature is only one example of a series of equivalent or similar features.

As shown in FIG. 1 and FIG. 2, comprising a control portion, a driving portion, a feeding portion and a heating portion, the control portion, the driving portion, the feeding portion and the heating portion are all mounted in an inner rubber member 1, which are respectively fixed therein. In the preset mounting position on the rubber member 1, the inner rubber member 1 is integrally placed in a casing 2, and the open end of the outer casing 2 is fixed by the tail buckle 3, and the other open end is sealed by the pen outer casing 4, and the heating portion is mounted on the feeding material. Partial output;

The control part includes a control board 5, and the control board 5 is provided with a button element 6 corresponding to the control driving part and the heating part, and the control board 5 electrically connects the heating part and the driving part respectively through the interface slot;

The driving part 7 comprises a motor and a gearbox. The motor and the gearbox are integrated. The motor has a DC connector 8 at one end. The motor is mechanically decelerated by a gearbox. The motor has a double-pole output shaft, and each of the double-pole output shafts is mounted on the motor. The ridge bearing, the upper end position of the ridge bearing is installed with the two-way feed wheel 9, and a feed position is formed between the two-way feed wheel 9, the feed pipe 10 passes through the material transfer position and is connected with the feeding portion, and the two-way feed wheel rotates. The feed pipe 10 is driven to feed; during operation, the two ridge bearings are synchronously driven by the power of the gearbox to reduce the speed.

Advantages: 1: Uniform feeding force, no jamming;

2: There is no abnormal heating in the driving part;

3: Suitable for raw materials of different shapes.

The feeding portion includes a feeding bottom plate 11 and a feeding cover 12 which are assembled with each other to form a feeding passage therebetween, and the inlet feeding tube 10 is connected to the feeding portion and communicates with the feeding passage formed therein.

In this embodiment, one end of the feeding channel formed between the feeding bottom plate 11 and the feeding cover 12 is connected to the inlet feeding tube 10, and the other end is connected to the fixed glue hole on the needle fixing rubber member 13, and the fixing glue hole is fixed. The other end of the needle is fixed throughout the needle position and connected to the heating portion. When the jam occurs, the feed cover can be opened. At this time, it is easy to maintain by removing the residual material in the passage.

In addition, the total heating portion of the embodiment includes a heating head 14. The heating head 14 is a ceramic head having a heating wire inside, the heating wire controls heat generation through the control panel, and a discharge passage is arranged inside the ceramic head. The inner discharge passage of the porcelain head communicates with the feeding passage, the head of the ceramic head protrudes from the outside of the outer casing, and the ceramic heating head and the needle fixing rubber member are connected and connected by the pin rubber member 15, and the pin rubber member has Two pin heads, the pin heads at both ends of the pin rubber are respectively inserted into the needle fixing rubber parts and the inside of the heating head to complete the conduction of the two channels, and the ceramic head can be heated by the internal heating wire to replace The complicated heating chamber structure in the prior art has a simplified structure and reduced cost.

The outer casing has a display panel 17 connected to the inner control panel 5, and the outer casing is further provided with a function button 18, which is opposite to the button component disposed on the control panel, and the button component controls the positive and negative rotation of the driving portion. And the conveying material, the motor of the driving portion 7 and the gearbox are all mounted in the motor glue member 19, and the motor glue member is fixed inside the inner rubber member for positioning the driving portion.

When disassembling, just open the tail button and the outer shell of the pen, you can open the entire 3D printing pen, open the entire outer casing, and then operate from the inner rubber parts, no matter the material or various conditions, it is easy and convenient to operate. .

Since a pen holder 20 is disposed outside the pen tip of the 3D printing pen, the pen tip is inserted into the pen holder to be fixed, so that the pen holder can be fixedly placed and protected by the pen holder when not in use.

Since the outer casing is made of aluminum profile, and the outer casing is assembled and disassembled by the button structure by the upper cover and the lower cover of the outer casing, it is very convenient in maintenance, and can be quickly and completely assembled and disassembled to increase work efficiency.

The invention also has a normal working mode and a dormant protection mode. As shown in FIG. 3 and FIG. 4, when the printing pen is not working, the standby can be automatically performed, the safety is improved, the energy saving and environmental protection are improved, and the product enters the sleep state. , shield normal working procedures, and directly turn off the motor, heating and display The screen only leaves the button part, as shown in Figure 4.

The invention has the beneficial effects that: the 3D printing pen of the invention has (1) adopts gearbox mechanical deceleration, and a embossed bearing structure, and the two-axis synchronous conveying raw materials greatly improves the bottleneck (slip) technical bottleneck which is difficult to overcome by the current 3D pen. , will greatly improve the user's good experience of the 3D pen; (2) through the detachable feeding part, can easily remove the residual material in the channel, easy to maintain; (3) aluminum profile plating shell, purchase twist-button structure, disassembly Easy and easy to maintain.

The above is only the specific embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that are not thought of by the creative work are included in the scope of the present invention. Therefore, the scope of the invention should be determined by the scope of the invention as defined by the appended claims.

Claims

A 3D printing pen comprising a control portion, a driving portion, a feeding portion and a heating portion, wherein the control portion, the driving portion, the feeding portion and the heating portion are all mounted in an inner rubber member, which are respectively fixed therein In the preset installation position on the rubber member, the inner rubber member is integrally placed in a casing, and the open end of one end of the casing is fixed by a tail buckle, and the other open end is sealed by the pen head casing, and the heating portion is installed at the output end of the feeding portion;

The control part comprises a control board, the control board is provided with a button component corresponding to the control driving part and the heating part, and the control board is electrically connected to the heating part and the driving part respectively through the interface slot;

The driving part comprises a motor and a gearbox, the motor and the gearbox are integrated, the motor has a DC connector at one end, the motor is mechanically decelerated by the gearbox, and has a double rod output shaft, and each of the double rod output shafts is provided with a ridge. The bearing and the upper end of the embossed bearing are provided with a two-way conveying wheel, and a material conveying position is formed between the two-way conveying wheel, the feeding tube passes through the material conveying position and is connected with the feeding portion, and the two-way conveying wheel rotates to drive the feeding tube into the feeding tube. material;

The feeding portion comprises a feeding bottom plate and a feeding cover plate, and the two are assembled with each other, wherein a feeding passage is formed therebetween, and the feeding feeding pipe is connected to the feeding portion and communicates with the feeding passage formed inside.
The 3D printing pen according to claim 1, wherein one end of the feeding channel formed between the feeding bottom plate and the feeding cover plate is connected to the feeding tube, and the other end is connected to the fixed position on the needle fixing piece. The glue hole, the other end of the fixed glue hole is fixed through the entire needle position and is connected to the heating part.
The 3D printing pen according to claim 1 or 2, wherein the heating portion comprises a heating head, the heating head adopts a ceramic head, and the heating wire is inside, the heating wire controls heating by the control panel, and the ceramic head is internally arranged. The discharge passage, the inner discharge passage of the ceramic head communicates with the feed passage, and the head of the ceramic head The portion protrudes from the outside of the outer casing, and the ceramic heating head and the needle position fixing rubber member are connected and connected by the pin rubber member, the pin rubber member has two pin heads, and the pin ends of the pin glue members are respectively buckled The needle position fixes the rubber piece and the inside of the heating head to complete the conduction of the two channels.
The 3D printing pen according to claim 1, wherein the outer casing has a display panel connected to the inner control panel, and the outer casing is further provided with a function button, and the function button is opposite to the button set on the control panel. The component, the button element controls the forward and reverse of the driving part and the conveying material.
The 3D printing pen according to claim 1, wherein the motor of the driving portion and the gearbox are mounted in the motor glue member, and the motor glue member is fixed inside the rubber member for positioning the driving portion.
The 3D printing pen according to claim 1, wherein a pen holder is disposed outside the tip of the 3D printing pen, and the pen tip extends into the pen holder for fixing.
The 3D printing pen according to claim 1, wherein the outer casing is made of an aluminum profile, and comprises a casing upper cover and a lower casing cover, and the outer cover of the outer casing and the lower cover of the outer casing are completed by a button structure. Disassembly assembly.
The 3D printing pen according to claim 4, wherein the output of the button component is connected to a sleep protection portion provided in the intelligent controller, and the intelligent controller outputs a control command to the heating portion and the driving portion.