CN113442434A - Powder paving transmission mechanism suitable for nylon rapid forming equipment - Google Patents
Powder paving transmission mechanism suitable for nylon rapid forming equipment Download PDFInfo
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- CN113442434A CN113442434A CN202110846082.1A CN202110846082A CN113442434A CN 113442434 A CN113442434 A CN 113442434A CN 202110846082 A CN202110846082 A CN 202110846082A CN 113442434 A CN113442434 A CN 113442434A
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- powder
- powder spreading
- synchronous belt
- roller
- spreading roller
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- 239000000843 powder Substances 0.000 title claims abstract description 141
- 230000007246 mechanism Effects 0.000 title claims abstract description 82
- 239000004677 Nylon Substances 0.000 title claims abstract description 33
- 229920001778 nylon Polymers 0.000 title claims abstract description 33
- 230000005540 biological transmission Effects 0.000 title claims abstract description 32
- 230000007480 spreading Effects 0.000 claims abstract description 98
- 238000003892 spreading Methods 0.000 claims abstract description 98
- 230000001360 synchronised effect Effects 0.000 claims abstract description 64
- 238000000034 method Methods 0.000 claims abstract description 13
- 230000008569 process Effects 0.000 claims abstract description 10
- 238000007639 printing Methods 0.000 claims abstract description 7
- 230000007704 transition Effects 0.000 claims description 9
- 238000004321 preservation Methods 0.000 claims description 8
- 238000010438 heat treatment Methods 0.000 claims description 5
- 238000004519 manufacturing process Methods 0.000 abstract description 7
- 230000009347 mechanical transmission Effects 0.000 abstract description 2
- 230000009471 action Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 3
- 238000000465 moulding Methods 0.000 description 3
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000003475 lamination Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C64/00—Additive manufacturing, i.e. manufacturing of three-dimensional [3D] objects by additive deposition, additive agglomeration or additive layering, e.g. by 3D printing, stereolithography or selective laser sintering
- B29C64/20—Apparatus for additive manufacturing; Details thereof or accessories therefor
- B29C64/227—Driving means
- B29C64/236—Driving means for motion in a direction within the plane of a layer
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C64/00—Additive manufacturing, i.e. manufacturing of three-dimensional [3D] objects by additive deposition, additive agglomeration or additive layering, e.g. by 3D printing, stereolithography or selective laser sintering
- B29C64/20—Apparatus for additive manufacturing; Details thereof or accessories therefor
- B29C64/227—Driving means
- B29C64/241—Driving means for rotary motion
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B33—ADDITIVE MANUFACTURING TECHNOLOGY
- B33Y—ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3-D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3-D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING
- B33Y30/00—Apparatus for additive manufacturing; Details thereof or accessories therefor
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Optics & Photonics (AREA)
Abstract
The invention belongs to the technical field of mechanical transmission devices, and discloses a powder laying transmission mechanism suitable for nylon rapid forming equipment, which comprises: spread powder roller translation mechanism and spread powder roller rotation mechanism. In the printing and forming process of the nylon equipment, the powder spreading roller translation mechanism drives the powder spreading roller rotation mechanism to translate left and right, and simultaneously, the rotation of the powder spreading roller is realized through synchronous belt transmission and bevel gear transmission. The mechanism is suitable for a powder laying function in printing of nylon rapid prototyping equipment, translation of the powder laying roller and rotation of the powder laying roller share one driving motor, and therefore high-temperature rotation motors are reduced, and production cost is greatly reduced.
Description
Technical Field
The invention belongs to the technical field of mechanical transmission devices, and particularly relates to a powder laying transmission mechanism suitable for nylon rapid forming equipment.
Background
The nylon rapid prototyping equipment is based on a digital model file, uses powdered nylon bondable material to construct a model of an object in a layer-by-layer stacking and accumulating mode (namely, a lamination modeling method), and a powder laying transmission mechanism is a main component of the nylon rapid prototyping equipment.
At present, the prior art of the powder spreading transmission mechanism commonly used in the industry is as follows: the prior art adopts the mode of spreading powder roller translation and rotation independent drive, spreads powder roller translation promptly and spreads powder roller rotation respectively and use a motor drive respectively, and concrete process is: the powder spreading roller translation motor drives the translation synchronous belt to rotate, then drives the transition plate connected with the translation synchronous belt to translate left and right, finally drives the whole translation of the powder spreading roller rotation mechanism on the transition plate, and the rotation motor of the powder spreading roller drives the powder spreading roller to rotate through the coupler in the translation process to complete the powder spreading action. Because the nylon part molding printing temperature is about 200 ℃, the powder spreading roller is used in a high-temperature environment for a long time, the self-rotating motor must use a high-temperature resistant motor, and in addition, in order to control the operation of a plurality of motors, the program complexity is increased, so the production cost is increased.
In summary, the problems of the prior art are as follows:
(1) the rotation of the existing powder spreading roller uses an independent high-temperature resistant motor, so that the production cost is increased.
(2) To control multiple motors, the complexity of the control procedure is increased, as well as the cost and difficulty of operation of the device.
The difficulty in solving the technical problems is as follows:
how to remove a high-temperature rotation motor while realizing the powder spreading function, reduce the cost, simplify a complex multi-motor control program and reduce the equipment operation difficulty.
The significance of solving the technical problems is as follows:
with the continuous development of modern industrial technologies, people pursue more production and manufacturing technologies with low cost, high efficiency, simplicity and easy operation. The powder spreading transmission mechanism not only can realize the powder spreading function of nylon rapid forming equipment, but also can effectively reduce the production cost, simplify the control program of a multi-motor and reduce the operation difficulty of the equipment.
Disclosure of Invention
Aiming at the problems in the prior art, the invention provides a powder laying transmission mechanism suitable for nylon rapid forming equipment.
The invention is realized by the following steps: the utility model provides a spread powder drive mechanism suitable for nylon rapid prototyping equipment, includes: the powder spreading roller translation mechanism and the powder spreading roller rotation mechanism share one motor for driving, and the translation and rotation of the powder spreading roller are realized by one motor drive, so that the powder spreading function of the nylon rapid forming equipment during printing is completed;
in the printing process of the nylon rapid prototyping equipment, the motor drives the powder spreading roller translation mechanism through the synchronous belt wheel, the powder spreading roller translation mechanism drives the powder spreading roller rotation mechanism on the transition plate to translate left and right, meanwhile, the powder spreading roller translation drives the synchronous belt wheel in the powder spreading roller rotation mechanism to rotate through the small synchronous belt drive, and then the bevel gear on the same shaft is meshed with another bevel gear to realize the rotation of the powder spreading roller.
Further, this powder drive mechanism of shop suitable for nylon rapid prototyping equipment still includes:
the powder spreading machine comprises a forming cylinder, a left powder feeding cylinder, a right powder feeding cylinder, a left powder overflowing groove, a right powder overflowing groove, a powder spreading roller translation mechanism, a powder spreading roller rotation mechanism, a heating system, a forming heat preservation cavity, a laser forming system and an electrical appliance control system.
Further, when the powder paving roller translation mechanism works, a synchronous pulley transmission mechanism consisting of a synchronous pulley, a synchronous belt, a synchronous pulley support and a tensioning screw is driven;
when the synchronous belt runs back and forth, the transition plate can translate back and forth on the guide rail sliding block assembly, the switch collision block stops when touching the travel switches at the left end and the right end, powder paving is finished once when the switch collision block moves to the left end or the right end, and the powder paving translation motor is continuously and repeatedly started and stopped in the process.
Further, the synchronous belt penetrates through the space between the two rollers, the deep groove ball bearing and the synchronous belt wheel, and the belt teeth of the synchronous belt are meshed with the synchronous belt wheel under the clamping of the two rollers, the deep groove ball bearing and the synchronous belt wheel;
when the synchronous belt runs, the synchronous belt wheel rotates, the synchronous belt wheel on the same shaft rotates, the rotation is transmitted to the synchronous belt wheel of the powder spreading roller rotation mechanism through the synchronous belt, the bevel gear on the same shaft rotates, and the bevel gear shaft meshed with the bevel gear rotates;
then the bevel gear shaft is transmitted to the powder spreading roller through the coupler, namely, when the powder spreading translation motor works, the synchronous belt simultaneously drives the left and right translation of the powder spreading roller mechanism and the rotation of the powder spreading roller.
In summary, the advantages and positive effects of the invention are: the powder spreading transmission mechanism suitable for the nylon rapid forming equipment continuously realizes the powder spreading function of the nylon forming equipment, and the powder spreading transmission mechanism only realizes two actions of translation and rotation of the powder spreading roller through one motor, so that a high-temperature rotation motor is removed, the production cost is reduced, the multi-motor control program is simplified, and the equipment operation difficulty is reduced. By adopting the scheme of the invention, the cost of a single nylon rapid forming device is reduced by about 19500 yuan, which is only 2.5 percent of the original cost, and is shown in the following table 1.
TABLE 1 cost comparison
Drawings
FIG. 1.1 is a left side view of a powder spreading transmission mechanism suitable for a nylon rapid prototyping device provided by the embodiment of the invention;
FIG. 1.2 is a front view of a powder laying transmission mechanism suitable for nylon rapid prototyping equipment provided by the embodiment of the invention;
wherein in fig. 1.1, fig. 1.2: a laser forming system, a forming heat preservation cavity, a heating system, a heat preservation cover, a powder spreading roller rotating mechanism, a powder spreading roller translation mechanism, a forming cylinder and a powder feeding cylinder.
Fig. 2 is a schematic diagram of the powder spreading provided by the embodiment of the invention.
FIG. 3 is a diagram of a powder spreading drive mechanism provided by an embodiment of the present invention; the powder spreading roller comprises a powder spreading roller translation mechanism, a powder spreading roller rotation mechanism, a translation motor and a powder spreading roller.
FIG. 4.1 is a first view of a translation mechanism of the powder spreading roller provided by the embodiment of the invention;
FIG. 4.2 is a second view of a translation mechanism of the powder spreading roller provided by the embodiment of the invention;
FIG. 4.3 is a third view of a translation mechanism of the powder spreading roller provided by the embodiment of the invention;
a, drawing a translation mechanism of the powder spreading roller; b. a cross section A-A in the powder spreading translation mechanism; c. a B-B cross section in the powder spreading translation mechanism;
FIG. 4.4 is a structural view of a transmission case assembly provided by an embodiment of the invention;
a, a three-dimensional structural view of a transmission box assembly; b. a section view of the gearbox assembly C-C; c. a section view of the gearbox assembly B-B; d. a gear box assembly front view;
FIG. 4.5 is a structural diagram of a self-rotating mechanism of the powder spreading roller provided by the embodiment of the invention;
wherein in FIGS. 4.1-4.5: powder spreading guide rail seat, powder spreading translation motor, synchronous belt wheel support, screw tensioning screw, stroke switch, collision block and tooth 0 driving box assembly
Synchronous belt
Synchronous belt clamping plate
Transition plate
Slide connecting block
Guide rail sliding block assembly
Guide rail sealing plate
Synchronous belt wheel
Roller wheel
Synchronous belt wheel
Deep groove ball bearing
Slidable connecting plate
Synchronous belt wheel
Bevel gear
Bevel gear shaft
Coupling device
Powder spreading roller
Cross beam
High-temperature lip-shaped sealing ring
Deep groove ball bearing
And (7) mounting a seat.
Detailed Description
In order to further understand the contents, features and effects of the present invention, the following embodiments are illustrated and described in detail with reference to the accompanying drawings.
Aiming at the problems in the prior art, the invention provides a powder spreading transmission mechanism suitable for nylon rapid forming equipment, and the invention is described in detail with reference to the attached drawings 4.1 to 4.5.
The powder paving transmission mechanism suitable for the nylon rapid forming equipment adopts a powder paving translation motor and a synchronous belt transmission mechanism to drive the powder paving roller
Translation, by means of two-stage synchronous pulleys
Drive and a pair of bevel gears
Driving the powder spreading roller
Is converted into a powder spreading roller
The self-rotation of the roller realizes the powder spreading roller in the powder spreading process
The translation and the rotation of (2) are performed synchronously.
The nylon forming system comprises main parts such as a forming cylinder, a left powder feeding cylinder, a right powder feeding cylinder, a left powder overflowing groove, a right powder overflowing groove, a powder spreading roller translation mechanism, a powder spreading roller rotation mechanism, a heating system, a forming heat preservation cavity (containing a heat preservation cover part), a laser forming system, an electric appliance control system and the like. The nylon molding condition is about 200 ℃, namely a heating system heats and molds a heat preservation cavity (containing a heat preservation cover part) to ensure the molding environment of about 200 ℃. In order to adapt to the high-temperature forming environment, the powder spreading function is realized, meanwhile, the cost is saved, the control program is simplified, and the operation is simplified, so that the powder spreading transmission mechanism is invented, and the mechanism consists of a powder spreading roller translation mechanism and a powder spreading roller rotation mechanism.
In the printing and forming process of nylon equipment, the powder spreading roller translation mechanism drivesThe powder spreading roller autorotation mechanism moves horizontally left and right, and meanwhile, the powder spreading roller in the powder spreading roller mechanism
The two actions form the powder spreading action in the whole forming process, and the powder spreading action is realized by the powder spreading transmission mechanism.
When the powder spreading translation motor works, a synchronous belt wheel transmission mechanism consisting of a synchronous belt wheel, a synchronous belt wheel support, a tensioning screw and the like is driven, and the synchronous belt clamping plate
Clamping the synchronous belt and then connecting the synchronous belt and the transition plate
Connection, when the synchronous belt runs back and forth, the transition plate
Will be at the guide rail slider assembly
The powder spreading translation motor is continuously and repeatedly started and stopped in the process. The synchronous belt penetrates through two rollers
Deep groove ball bearing
And a synchronous pulley
Between two rollers
Deep groove ball bearing
And synchronous pulley
Under the clamping of the synchronous belt (c), the tooth and the synchronous belt wheel of the synchronous belt (c)
Meshing, when the synchronous belt IV runs, the synchronous belt wheel
Synchronous pulleys on the same shaft
Rotate, by means of a synchronous belt
(synchronous belt)
Is tensioned by a slidable connecting plate
By changing position in the chute and adjusting the position of the gearbox assembly (fig. 4.4 (a)) to tension, the connecting plate can be slid
Through the waist-shaped hole and the transition plate
Screwed) to transmit rotation to the synchronous pulley of the powder spreading roller mechanism
Bevel gears on the same shaft
Rotating, bevel gear shaft meshing therewith
Rotated and then passed through a coupling
Transmits the rotation to the powder spreading roller
Realize shop's powder roller
The rotation of the rotor. And the installation seat of the autorotation mechanism of the powder spreading roller
And transition plate
Is connected by screws, namely, when a powder laying translation motor works, a synchronous belt,
Simultaneously drives the left and right translation of the powder spreading roller mechanism and the powder spreading roller
The rotation of the rotor.
The working principle part is as follows: through 2 synchronous belt drive mechanisms and 1 bevel gear drive mechanism, the rotation of a common three-phase motor is converted into two motion forms of translation motion and rotation. Specifically, when a three-phase motor drives a synchronous belt transmission mechanism to operate, the translational motion of a synchronous belt is converted into the rotation of the mechanism by adding a group of synchronous belt transmission mechanisms and bevel gear transmission mechanisms.
The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention in any way, and all simple modifications, equivalent changes and modifications made to the above embodiment according to the technical spirit of the present invention are within the scope of the technical solution of the present invention.
Claims (4)
1. The utility model provides a spread powder drive mechanism suitable for nylon rapid prototyping equipment which characterized in that, spread powder drive mechanism suitable for nylon rapid prototyping equipment includes: spread powder roller translation mechanism and spread powder roller rotation mechanism.
In the printing and forming process of the nylon equipment, the powder spreading roller translation mechanism drives the powder spreading roller rotation mechanism to translate left and right, and meanwhile, the powder spreading roller in the powder spreading roller rotation mechanism keeps rotating through transmission.
2. The powder spreading transmission mechanism suitable for nylon rapid prototyping equipment of claim 1, wherein the powder spreading transmission mechanism suitable for nylon rapid prototyping equipment further comprises:
the powder spreading machine comprises a forming cylinder, a left powder feeding cylinder, a right powder feeding cylinder, a left powder overflowing groove, a right powder overflowing groove, a powder spreading roller translation mechanism, a powder spreading roller rotation mechanism, a heating system, a forming heat preservation cavity, a laser forming system and an electrical appliance control system.
3. The powder spreading transmission mechanism suitable for nylon rapid prototyping equipment as defined in claim 1, wherein the powder spreading translation mechanism drives a synchronous pulley transmission mechanism consisting of a synchronous pulley, a synchronous belt, a synchronous pulley support and a tensioning screw when in operation;
when the synchronous belt runs back and forth, the transition plate can translate back and forth on the guide rail sliding block assembly, the switch collision block stops when touching the travel switches at the left end and the right end, powder paving is finished once when the switch collision block moves to the left end or the right end, and the powder paving translation motor is continuously and repeatedly started and stopped in the process.
4. The powder spreading transmission mechanism suitable for nylon quick forming equipment as claimed in claim 3, wherein the synchronous belt passes through between the two rollers, the deep groove ball bearing and the synchronous pulley, and under the clamping of the two rollers, the deep groove ball bearing and the synchronous pulley, the teeth of the synchronous belt are meshed with the synchronous pulley;
when the synchronous belt runs, the synchronous belt wheel rotates, the synchronous belt wheel on the same shaft rotates, the rotation is transmitted to the synchronous belt wheel of the powder spreading roller rotation mechanism through the synchronous belt, the bevel gear on the same shaft rotates, and the bevel gear shaft meshed with the bevel gear rotates;
then the rotation is transmitted to the powder spreading roller through the coupler, and when the powder spreading translation motor works, the synchronous belt simultaneously drives the left and right translation of the powder spreading roller mechanism and the rotation of the powder spreading roller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110846082.1A CN113442434A (en) | 2021-07-26 | 2021-07-26 | Powder paving transmission mechanism suitable for nylon rapid forming equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110846082.1A CN113442434A (en) | 2021-07-26 | 2021-07-26 | Powder paving transmission mechanism suitable for nylon rapid forming equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113442434A true CN113442434A (en) | 2021-09-28 |
Family
ID=77817232
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110846082.1A Pending CN113442434A (en) | 2021-07-26 | 2021-07-26 | Powder paving transmission mechanism suitable for nylon rapid forming equipment |
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| Country | Link |
|---|---|
| CN (1) | CN113442434A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201406052Y (en) * | 2009-03-18 | 2010-02-17 | 黄福全 | Labeling machine cutter head assembly structure |
| CN105729127A (en) * | 2016-05-05 | 2016-07-06 | 安徽中科镭泰激光科技有限公司 | Laser manufacture teaching machine |
| CN107855525A (en) * | 2017-12-12 | 2018-03-30 | 湖北工业大学 | A kind of laser powder Fast Sintering power spreading device |
| CN108655398A (en) * | 2017-03-29 | 2018-10-16 | 吴江中瑞机电科技有限公司 | Automatic power spreading device and equipment for selective laser sintering 3D printer |
| CN211737896U (en) * | 2019-12-09 | 2020-10-23 | 海克斯康测量技术(青岛)有限公司 | Novel synchronous belt transmission device and three-coordinate measuring machine |
| CN113074084A (en) * | 2021-04-15 | 2021-07-06 | 张振 | Wind control over-speed prevention device for wind driven generator |
-
2021
- 2021-07-26 CN CN202110846082.1A patent/CN113442434A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201406052Y (en) * | 2009-03-18 | 2010-02-17 | 黄福全 | Labeling machine cutter head assembly structure |
| CN105729127A (en) * | 2016-05-05 | 2016-07-06 | 安徽中科镭泰激光科技有限公司 | Laser manufacture teaching machine |
| CN108655398A (en) * | 2017-03-29 | 2018-10-16 | 吴江中瑞机电科技有限公司 | Automatic power spreading device and equipment for selective laser sintering 3D printer |
| CN107855525A (en) * | 2017-12-12 | 2018-03-30 | 湖北工业大学 | A kind of laser powder Fast Sintering power spreading device |
| CN211737896U (en) * | 2019-12-09 | 2020-10-23 | 海克斯康测量技术(青岛)有限公司 | Novel synchronous belt transmission device and three-coordinate measuring machine |
| CN113074084A (en) * | 2021-04-15 | 2021-07-06 | 张振 | Wind control over-speed prevention device for wind driven generator |
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