阅读说明：本技术 一种用于教学和家庭的小型一体化3d打印机 (A small-size integration 3D printer for teaching and family ) 是由 杜学文 杨泽日 潘炳 王子寅 张雨林 刘祥如 徐巧宁 于 2019-09-24 设计创作，主要内容包括：一种用于教学和家庭的小型一体化3D打印机,包括：外壳；喷头水平位置调节装置,包括X轴水平移动机构和Y轴水平移动机构,其中X向水平移动机构悬装于外壳的顶部,X轴水平移动机构的X向移动部滑动安装于X向固定部上；Y轴水平移动机构的Y向固定部安装于X向水平移动机构的X向移动部；Y轴水平移动机构的Y向移动部滑动安装于Y向固定部上；物料供给装置,包括熔融输送单元和供料单元；升降式模型承载装置,包括打印平台和Z轴升降装置；以及打印控制装置,包括控制面板和打印控制器。本发明具有如下有益效果：模块清晰,方便自行组装；打印产品安全快捷；喷头运动灵活,打印过程稳定可靠。(A small-size integration 3D printer for teaching and family includes: a housing; the horizontal position adjusting device of the spray head comprises an X-axis horizontal moving mechanism and a Y-axis horizontal moving mechanism, wherein the X-axis horizontal moving mechanism is suspended at the top of the shell, and an X-axis moving part of the X-axis horizontal moving mechanism is slidably arranged on an X-axis fixing part; the Y-direction fixing part of the Y-axis horizontal moving mechanism is arranged on the X-direction moving part of the X-direction horizontal moving mechanism; a Y-direction moving part of the Y-axis horizontal moving mechanism is slidably arranged on the Y-direction fixing part; the material supply device comprises a melting conveying unit and a feeding unit; the lifting model bearing device comprises a printing platform and a Z-axis lifting device; and a print control device including a control panel and a print controller. The invention has the following beneficial effects: the module is clear, and the self-assembly is convenient; the printed product is safe and quick; the spray head moves flexibly, and the printing process is stable and reliable.)

1. A small-size integration 3D printer for teaching and family, its characterized in that includes:

the shell comprises a shell body and a baffle plate hinged on the shell body, the shell body is provided with a printing cavity for mounting and printing, the top of the shell body is provided with a skylight for observing the printing condition in the printing cavity, the side baffle plate of the shell body is provided with a taking and placing opening for taking and placing articles in the printing cavity, and the taking and placing opening is hinged with a stop door;

the horizontal position adjusting device of the spray head comprises an X-axis horizontal moving mechanism and a Y-axis horizontal moving mechanism, wherein the X-axis horizontal moving mechanism is suspended at the top of the shell, and an X-axis moving part of the X-axis horizontal moving mechanism is slidably arranged on an X-axis fixing part; the Y-direction fixing part of the Y-axis horizontal moving mechanism is arranged on the X-direction moving part of the X-direction horizontal moving mechanism, so that the Y-axis horizontal moving mechanism can move along the X-direction fixing part of the X-direction horizontal moving mechanism under the driving of the X-direction moving part; a Y-direction moving part of the Y-axis horizontal moving mechanism is slidably arranged on the Y-direction fixing part;

a material supply device which comprises a melting conveying unit for melting and spraying the wire rod to the model carrying device and a feeding unit for conveying the non-melting wire rod to the melting conveying unit, wherein the feeding unit is hung on the top cross beam of the shell, and a discharging part of the feeding unit conveys the non-melting wire rod to the melting conveying unit; the melting conveying unit is arranged on the Y-direction moving part, and a spray head of the melting conveying unit is aligned with the movable printing platform;

the lifting type model bearing device comprises a printing platform and a Z-axis lifting device, wherein the Z-axis lifting device is arranged between the spray head horizontal position adjusting device and the printing platform, and the top of the Z-axis lifting device is in threaded connection with the spray head horizontal position adjusting device; the bottom of the Z-axis lifting device is connected with the printing platform, so that the printing platform is driven by the Z-axis lifting device to vertically lift along the Z-axis direction to adjust the distance between the printing platform and the melting and conveying unit;

the printing control device comprises a control panel and a printing controller, wherein the control panel is arranged on the front surface of the shell and used for adjusting printing parameters; the power transmission end of the printing controller is electrically connected with an external power supply, and the signal transmission port and the signal output end of the control panel of the printing controller are respectively in signal connection with the control end of the material supply device, the control end of the spray head horizontal position adjusting device and the control end of the lifting type model bearing device and are used for controlling the material supply device, the spray head horizontal position adjusting device and the lifting type model bearing device to work.

2. A small-sized integrated 3D printer for teaching and home use as claimed in claim 1, wherein: the shell comprises a frame and a baffle plate which is arranged outside the shell in a surrounding mode, the frame is a cubic frame consisting of four upright posts and eight cross rods, the transparent baffle plate covers the outside of the frame, a skylight is arranged on the transparent baffle plate at the top of the frame, a taking and placing opening is formed in one side baffle plate of the frame, and a baffle door is hinged to the taking and placing opening.

3. A small-sized integrated 3D printer for teaching and home use as claimed in claim 1, wherein: the X-axis horizontal moving mechanism comprises an X-axis stepping motor, a pair of X-direction track assemblies which serve as X-direction fixing parts and are arranged in parallel, and a pair of X-direction track limiting blocks which serve as X-direction moving parts and are respectively sleeved on the corresponding X-direction track assemblies, wherein the X-axis stepping motor is mounted at the top of the Z-axis lifting device and is connected with a first gear synchronous wheel belt of one set of X-direction track assemblies through a displacement limiting conveyor belt; the X-direction track assembly comprises a first connecting polished rod, a first fixing frame, first tooth synchronizing wheels and first tooth-shaped belts, the first connecting polished rod is horizontally suspended at the top of the shell through the first fixing frame, the end parts of the first connecting polished rod are respectively sleeved with the first tooth synchronizing wheels, two ends of each first tooth-shaped belt are tensioned through the two first tooth synchronizing wheels, and the first tooth-shaped belts are meshed with the first tooth synchronizing wheels, so that the first tooth-shaped belts are driven by the two first tooth synchronizing wheels to rotate circumferentially; an X-axis horizontal moving mechanism is installed between the two X-axis guide rail limiting blocks, and the length direction of the first connecting light rod is defined to be the X direction.

4. A small-sized integrated 3D printer for teaching and home use as claimed in claim 2, wherein: the Y-axis horizontal moving mechanism comprises a Y-axis stepping motor, a pair of Y-direction track assemblies which are used as Y-direction fixing parts and are arranged in parallel, and a pair of Y-direction track limiting blocks which are used as Y-direction moving parts and are respectively sleeved on the corresponding Y-direction track assemblies, and the Y-axis stepping motor is suspended on the Y-direction track assemblies through an end cover and is connected with a second synchronous gear of one set of Y-direction track assemblies; the Y-direction track assembly comprises a second connecting polished rod, a second fixing frame, a second synchronous gear and a second toothed belt, the second connecting polished rod is horizontally suspended at the top of the shell through the second fixing frame, the end part of the second connecting polished rod is respectively sleeved with the second synchronous gear and a second sleeve, the second connecting polished rod and the first connecting polished rod are connected in a staggered mode to form a rectangular structure horizontally suspended at the top of the shell, two ends of the second toothed belt are tensioned through the two second synchronous gears, and the second toothed belt is meshed with the second synchronous gears, so that the second toothed belt is driven by the two second synchronous gears to rotate circumferentially; a Y-direction guide rail limiting block is fixedly arranged on the second toothed belt, a first limiting polished rod is arranged between the two Y-direction guide rail limiting blocks serving as the Y-direction moving part, a sliding block used for installing a melting conveying module is assembled on the first limiting polished rod, the sliding block is sleeved on a second limiting polished rod, two end parts of the second limiting polished rod are fixedly connected with the Y-direction guide rail limiting blocks on the same side respectively, the second fixing frame is provided with two through hole parts, and the two through hole parts are provided with limiters; the length direction of the second connecting light rod is defined as Y direction.

5. A small-sized integrated 3D printer for teaching and home use as claimed in claim 1, wherein: the feeding unit comprises a first stepping motor and a wire rod conveying mechanism, the wire rod conveying mechanism is installed on the cross beam, the first stepping motor is fixedly connected with the wire rod conveying mechanism through a bolt, an output gear of the first stepping motor is meshed with a power input gear of the wire rod conveying mechanism and used for driving the power input gear on the wire rod conveying mechanism to rotate and convey the wire rods quantitatively, and the wire rods are conveyed to a heating block of the melting conveying module.

6. A small-sized integrated 3D printer for teaching and home use as claimed in claim 1, wherein: the melting and conveying unit comprises a first connecting ring, a heating block, a copper guide pipe, a spray head and a temperature detection block, wherein the heating block is fixedly arranged on a Y-direction moving part of the Y-axis horizontal moving mechanism and synchronously moves along with the Y-direction moving part; the heating block is sleeved outside the copper conduit, a first connecting ring is embedded at the upper part of the heating block, a temperature detection block is fixedly arranged at the lower part of the heating block, and a heating connecting end of the heating block is electrically connected with a corresponding signal connecting port of a heating circuit of the printing controller through a lead and is used for heating the copper conduit arranged in an inner cavity of the heating block; the upper end of the copper guide pipe is sleeved with a first connecting ring, the lower end of the copper guide pipe is communicated with a spray head to form a melting passage capable of melting and spraying the wire, and the spray head is aligned to the printing platform to spray the printing platform.

7. A small-sized integrated 3D printer for teaching and home use as claimed in claim 2, wherein: the Z-axis lifting device is respectively and symmetrically arranged on the outer sides of the upright posts on the two sides of the shell and comprises a polished rod fixing frame, a vertical guide rod, a fixing bolt, a sleeve, a motor fixing frame, a third stepping motor, a screw rod, a connecting ring and a coupler, wherein the third stepping motor is arranged on the motor fixing frame and is fixedly connected to the bottom of the shell frame through the fixing bolt, and an output shaft of the third stepping motor is fixedly connected with the lower end of the screw rod through the coupler; the upper end of the screw rod penetrates through a through hole on the polished rod fixing frame; the connecting ring is sleeved outside the screw rod, the screw rod and the connecting ring are in threaded connection to form a screw rod nut pair, and the connecting ring is fastened with the printing platform through a fixing bolt; the lower end of the vertical guide rod is sleeved with a sleeve and is fixedly connected with the motor fixing frame through a fastening bolt, and the upper end of the vertical guide rod penetrates out of the through hole of the polished rod fixing frame; the through hole of the thin plate part of the polish rod fixing frame is provided with a fixing bolt which is fixedly arranged at the upper end of the upright post of the shell and used for limiting the limit position in the Z-axis direction.

8. A small-sized integrated 3D printer for teaching and home use as claimed in claim 7, wherein: the printing platform comprises a plate body and a printing base, wherein the printing base is fixedly connected with the motor fixing frame, the plate body is fixedly connected with the printing base through a bolt, and the surface of the bolt is sleeved with a spring and is placed between the plate body and the base.

Technical Field

The invention relates to a small-sized integrated 3D printer for teaching and families.

Background

The 3D printing technology is a novel high-tech forming technology which is continuously developed and advanced, and is a forming technology which uses a three-dimensional graph of a computer as a prototype, and fills and bonds metal, organic composite plastic, ceramic, powder and other consumables according to a formulated path by using modes such as laser, melting and the like. Compared with the traditional manufacturing industry, the 3D printing and forming technology can reduce the manufacturing difficulty to a certain extent, and does not need large-scale machine tool molds and the like, so that the production cost is reduced to a certain extent, and the production period is shortened. The 3D printing technology is a milestone for manufacturing, and some countries consider the 3D printing technology as a new industrial revolution, so that the 3D printing technology has great research significance nowadays and becomes a common concern at home and abroad.

At present, the 3D printing technology is mainly applied to the manufacturing industry, but the technology is not fully popularized and popularized in daily life, and cannot really walk into a common family to become the assistance force in life. And the common printer that exists in the existing market has the printing shower nozzle and easily blocks up, the transmission is steady scheduling problem inadequately, can cause inconvenience in daily use, influences the machining precision.

Disclosure of Invention

In order to overcome the current domestic 3D print head in market and be not nimble enough easily to block up, Z axle transmission is steady scheduling problem inadequately, provide a small-size integration 3D printer for teaching and family, this kind of 3D printer structure is simple and easy, and the stable performance is reliable, prints product safety swift, and 3D printer easily increases and decreases the module, makes things convenient for the dismouting, the daily use of the family of being convenient for.

The invention relates to a small-sized integrated 3D printer for teaching and family, which is characterized by comprising the following components:

the shell comprises a shell body and a baffle plate hinged on the shell body, the shell body is provided with a printing cavity for mounting and printing, the top of the shell body is provided with a skylight for observing the printing condition in the printing cavity, the side baffle plate of the shell body is provided with a taking and placing opening for taking and placing articles in the printing cavity, and the taking and placing opening is hinged with a stop door;

the horizontal position adjusting device of the spray head comprises an X-axis horizontal moving mechanism and a Y-axis horizontal moving mechanism, wherein the X-axis horizontal moving mechanism is suspended at the top of the shell, and an X-axis moving part of the X-axis horizontal moving mechanism is slidably arranged on an X-axis fixing part; the Y-direction fixing part of the Y-axis horizontal moving mechanism is arranged on the X-direction moving part of the X-direction horizontal moving mechanism, so that the Y-axis horizontal moving mechanism can move along the X-direction fixing part of the X-direction horizontal moving mechanism under the driving of the X-direction moving part; a Y-direction moving part of the Y-axis horizontal moving mechanism is slidably arranged on the Y-direction fixing part;

a material supply device which comprises a melting conveying unit for melting and spraying the wire rod to the model carrying device and a feeding unit for conveying the non-melting wire rod to the melting conveying unit, wherein the feeding unit is hung on the top cross beam of the shell, and a discharging part of the feeding unit conveys the non-melting wire rod to the melting conveying unit; the melting conveying unit is arranged on the Y-direction moving part, and a spray head of the melting conveying unit is aligned with the movable printing platform;

the lifting type model bearing device comprises a printing platform and a Z-axis lifting device, wherein the Z-axis lifting device is arranged between the spray head horizontal position adjusting device and the printing platform, and the top of the Z-axis lifting device is connected with the spray head horizontal position adjusting device in a sliding manner; the bottom of the Z-axis lifting device is in threaded connection with the printing platform, so that the printing platform is driven by the Z-axis lifting device to vertically lift along the Z-axis direction to adjust the distance between the printing platform and the melting and conveying unit;

the printing control device comprises a control panel and a printing controller, wherein the control panel is arranged on the front surface of the shell and used for adjusting printing parameters; the power transmission end of the printing controller is electrically connected with an external power supply, and the signal transmission port and the signal output end of the control panel of the printing controller are respectively in signal connection with the control end of the material supply device, the control end of the spray head horizontal position adjusting device and the control end of the lifting type model bearing device and are used for controlling the material supply device, the spray head horizontal position adjusting device and the lifting type model bearing device to work.

The shell comprises a frame and a baffle plate which is arranged outside the shell in a surrounding mode, the frame is a cubic frame consisting of four upright posts and eight cross rods, the transparent baffle plate covers the outside of the frame, a skylight is arranged on the transparent baffle plate at the top of the frame, a taking and placing opening is formed in one side baffle plate of the frame, and a baffle door is hinged to the taking and placing opening.

The X-axis horizontal moving mechanism comprises an X-axis stepping motor, a pair of X-direction track assemblies which serve as X-direction fixing parts and are arranged in parallel, and a pair of X-direction track limiting blocks which serve as X-direction moving parts and are respectively sleeved on the corresponding X-direction track assemblies, wherein the X-axis stepping motor is mounted at the top of the Z-axis lifting device and is connected with a first gear synchronous wheel belt of one set of X-direction track assemblies through a displacement limiting conveyor belt; the X-direction track assembly comprises a first connecting polished rod, a first fixing frame, first tooth synchronizing wheels and first tooth-shaped belts, the first connecting polished rod is horizontally suspended at the top of the shell through the first fixing frame, the end parts of the first connecting polished rod are respectively sleeved with the first tooth synchronizing wheels, two ends of each first tooth-shaped belt are tensioned through the two first tooth synchronizing wheels, and the first tooth-shaped belts are meshed with the first tooth synchronizing wheels, so that the first tooth-shaped belts are driven by the two first tooth synchronizing wheels to rotate circumferentially; an X-axis guide rail limiting block is fixedly arranged on the first toothed belt, a Y-axis horizontal moving mechanism is arranged between the two X-axis guide rail limiting blocks, and the length direction of the first toothed belt is defined to be the X direction.

The Y-axis horizontal moving mechanism comprises a Y-axis stepping motor, a pair of Y-direction track assemblies which are used as Y-direction fixing parts and are arranged in parallel, and a pair of Y-direction track limiting blocks which are used as Y-direction moving parts and are respectively sleeved on the corresponding Y-direction track assemblies, and the Y-axis stepping motor is suspended on the Y-direction track assemblies through an end cover and is connected with a second synchronous gear of one set of Y-direction track assemblies; the Y-direction track assembly comprises a second connecting polished rod, a second fixing frame, a second synchronous gear and a second toothed belt, the second connecting polished rod is horizontally suspended on the top of the shell through the second fixing frame, the end part of the second connecting polished rod is respectively sleeved with the second synchronous gear and a second sleeve, the second connecting polished rod and the first connecting polished rod are connected in a staggered mode to form a rectangular structure horizontally suspended on the top of the shell, the end parts of the connected first connecting polished rod and the second connecting polished rod are connected with each other through a group of mutually meshed synchronous gear sets, two ends of the second toothed belt are tensioned through the two second synchronous gears, and the second toothed belt is meshed with the second synchronous gears, so that the second toothed belt is driven by the two second synchronous gears to rotate circumferentially; a Y-direction guide rail limiting block is fixedly arranged on the second toothed belt, a first limiting polished rod is arranged between the two Y-direction guide rail limiting blocks serving as the Y-direction moving part, a sliding block used for installing a melting conveying module is assembled on the first limiting polished rod, the sliding block is sleeved on a second limiting polished rod, two end parts of the second limiting polished rod are fixedly connected with the Y-direction guide rail limiting blocks on the same side respectively, the second fixing frame is provided with two through hole parts, and the two through hole parts are provided with limiters; the second toothed belt is defined in the longitudinal direction as the Y direction.

The feeding unit comprises a first stepping motor and a wire rod conveying mechanism, the wire rod conveying mechanism is installed on the cross beam, the first stepping motor is fixedly connected with the wire rod conveying mechanism through a bolt, an output gear of the first stepping motor is meshed with a power input gear of the wire rod conveying mechanism and used for driving the power input gear on the wire rod conveying mechanism to rotate and convey the wire rods quantitatively, and the wire rods are conveyed to a heating block of the melting conveying module.

The melting and conveying unit comprises a first connecting ring, a heating block, a copper guide pipe, a spray head and a temperature detection block, wherein the heating block is fixedly arranged on a Y-direction moving part of the Y-axis horizontal moving mechanism and synchronously moves along with the Y-direction moving part; the heating block is sleeved outside the copper conduit, a first connecting ring is embedded at the upper part of the heating block, a temperature detection block is fixedly arranged at the lower part of the heating block, and a heating connecting end of the heating block is electrically connected with a corresponding signal connecting port of a heating circuit of the printing controller through a lead and is used for heating the copper conduit arranged in an inner cavity of the heating block; the upper end of the copper guide pipe is sleeved with a first connecting ring, the lower end of the copper guide pipe is communicated with a spray head to form a melting passage capable of melting and spraying the wire, and the spray head is aligned to the printing platform to spray the printing platform.

The Z-axis lifting device is respectively and symmetrically arranged on the outer sides of the upright posts on the two sides of the shell and comprises a polished rod fixing frame, a vertical guide rod, a fixing bolt, a sleeve, a motor fixing frame, a third stepping motor, a screw rod, a connecting ring and a coupler, wherein the third stepping motor is arranged on the motor fixing frame and is fixedly connected to the bottom of the shell frame through the fixing bolt; the lower end of the vertical guide rod is sleeved with a sleeve and is fixedly connected with the motor fixing frame through a fastening bolt, and the upper end of the vertical guide rod penetrates out of the through hole of the polished rod fixing frame; the through hole of the thin plate part of the polish rod fixing frame is provided with a fixing bolt which is fixedly arranged at the upper end of the upright post of the shell and used for limiting the limit position in the Z-axis direction.

The printing platform comprises a plate body and a printing base, wherein the printing base is fixedly connected with the motor fixing frame, the plate body is fixedly connected with the printing base through a bolt, and the surface of the bolt is sleeved with a spring and is placed between the plate body and the base.

The invention has the following beneficial effects: (1) the 3D printer has clear modules and is convenient to assemble by oneself; (2) the printed product is safe and quick; (3) the spray head moves flexibly, and the printing process is stable and reliable.

Drawings

Fig. 1a is one of the general structural diagrams of the embodiment of the present invention.

Fig. 1b is a second schematic structural diagram of the embodiment of the present invention.

Fig. 2 is a schematic diagram of an explosive structure according to an embodiment of the present invention.

Fig. 3 is an exploded view of a material supply apparatus according to an embodiment of the present invention.

Fig. 4 is an exploded view of the horizontal position adjustment device of the sprinkler head according to the embodiment of the present invention.

Fig. 5 is an exploded view of the Z-axis motion driving device according to the embodiment of the present invention.

Fig. 6 is an exploded view of a mold carrier according to an embodiment of the present invention.

Detailed Description

The invention is further described below with reference to the accompanying drawings.

With reference to the accompanying drawings: