CN219093954U - Friction stir material-increasing head mechanism and metal friction deposition equipment - Google Patents
Friction stir material-increasing head mechanism and metal friction deposition equipment Download PDFInfo
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- CN219093954U CN219093954U CN202222429616.3U CN202222429616U CN219093954U CN 219093954 U CN219093954 U CN 219093954U CN 202222429616 U CN202222429616 U CN 202222429616U CN 219093954 U CN219093954 U CN 219093954U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
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Abstract
The utility model discloses a friction stir material adding head mechanism and metal friction deposition equipment, comprising a bracket; the feeding assembly is arranged on the bracket and comprises a first driving assembly and a pushing rod rotatably arranged at the output end of the first driving assembly, and a material adding rod arranged at one end of the pushing rod far away from the first driving assembly; the friction assembly is arranged on the support and comprises a second driving assembly and a friction piece arranged at the output end of the second driving assembly, a through hole is formed in the friction piece along the axis, and the material adding rod and the material pushing rod do reciprocating motion in the through hole. The utility model has the beneficial effects that the material adding unit is arranged to enable the whole process to be a solid process, and the process is carried out under the condition of lower melting temperature, so that printing materials can not be melted, the danger is reduced, and the working efficiency is increased.
Description
Technical Field
The utility model relates to the technical field of additive manufacturing, in particular to a friction stir additive head mechanism and metal friction deposition equipment.
Background
The main additive manufacturing modes in China at the present stage are divided into arc additive manufacturing (WAAM) and powder molten metal Additive Manufacturing (AM).
The arc material-increasing (WAAM) material-increasing mode has higher output energy, so that the produced parts have the problems of large forming precision deviation, pore, deformation, crack and the like. The protection gas is needed to participate in the material adding process, and meanwhile, strong arc light can be generated to burn human skin tissues, so that high requirements on the environment and personnel quality of the material adding process are provided. The powder molten metal Additive Manufacturing (AM) equipment mechanism is quite complex, so that the technology is not mature, defects such as warping, spheroidization, air holes, cracks and the like are difficult to avoid in the forming process, and meanwhile, the additive efficiency is quite low.
The utility model relates to brand new additive manufacturing mode equipment, in particular to a novel friction stir deposition additive manufacturing technology which does not use a high-energy heat source or protective atmosphere, and has a forming speed ten times that of a powder melting technology. Unlike other metallic 3D printing techniques, which are solid state processes, they are performed below the melting temperature and tend not to melt the printed material.
Disclosure of Invention
This section is intended to outline some aspects of embodiments of the utility model and to briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this section as well as in the description summary and in the title of the application, to avoid obscuring the purpose of this section, the description summary and the title of the utility model, which should not be used to limit the scope of the utility model.
The present utility model has been made in view of the problems occurring in the prior art.
It is therefore an object of the present utility model to provide a metal friction stir friction additive head mechanism that is a solid state process of metal friction deposition that is performed below the melting temperature without melting the printing material, reducing risk and increasing work efficiency.
In order to solve the technical problems, the utility model provides the following technical scheme: a bracket;
the feeding assembly is arranged on the bracket and comprises a first driving assembly and a pushing rod arranged at one end of the first driving assembly, and a material adding rod arranged at one end of the pushing rod far away from the first driving assembly;
the friction component is arranged on the bracket and comprises a second driving component and a friction piece arranged at the output end of the second driving component, the friction piece is provided with a through hole along the axis, and the material increasing rod and the material pushing rod do reciprocating motion in the through hole.
As a preferable scheme of the friction stir material adding head mechanism, the utility model comprises the following steps: the first driving assembly comprises a servo electric cylinder, a lifting connecting rod arranged at the output end of the servo electric cylinder, and a pressure sensor arranged at one end, far away from the servo electric cylinder, of the lifting connecting rod, and the pushing rod is rotationally connected with the lifting connecting rod.
As a preferable scheme of the friction stir material adding head mechanism, the utility model comprises the following steps: the friction piece comprises a rotary main shaft and a stirring head arranged at the tail end of the rotary main shaft, and a through hole is formed in the rotary main shaft and the stirring head along the axis.
As a preferable scheme of the friction stir material adding head mechanism, the utility model comprises the following steps: the second driving assembly comprises a rotating motor, a first synchronous wheel arranged at the output end of the rotating motor, and a synchronous belt, wherein the first synchronous wheel is arranged at one end of the synchronous belt, the second synchronous wheel is arranged at the other end of the synchronous belt, a coupling is arranged on the rotating main shaft, the coupling is connected with a bearing spline housing, and the bearing spline housing is matched with the second synchronous wheel.
As a preferable scheme of the friction stir material adding head mechanism, the utility model comprises the following steps: the stirring head water cooling device also comprises a main shaft water cooling device which is rotationally connected with the rotary main shaft and a stirring head water cooling device which is rotationally connected with the stirring head.
As the present utility model, a metal friction deposition apparatus is based, wherein: the friction stir material adding head mechanism comprises a base unit, a material adding workbench and a stirring device, wherein the base unit comprises a base and the material adding workbench is arranged above the base and is in transmission connection with the base;
a protective assembly comprising a protective cover; a movable door is arranged on one side of the protective cover, which is far away from the material adding workbench, and movable covers are arranged at two ends of the protective cover in the width direction;
and the control unit is arranged at one side of the material adding unit.
As a preferred embodiment of the present utility model based on a metal friction deposition apparatus, wherein: the base unit comprises a driving motor arranged on the base and a screw rod arranged at the output end of the driving motor, and the screw rod is connected with the workbench.
As a preferred embodiment of the present utility model, a metal friction deposition apparatus is provided, wherein: the base is provided with a T-shaped groove, the workbench is provided with a convex block, and the T-shaped groove is matched with the convex block.
The utility model has the beneficial effects that: the friction piece and the feeding assembly are matched, so that the whole process is a solid state process of metal friction deposition, the printing material cannot be melted under the condition of being lower than the melting temperature, the danger is reduced, and the working efficiency is improved.
Drawings
Fig. 1 is a schematic perspective view of a metal friction deposition apparatus.
Fig. 2 is a schematic perspective view of a metal friction deposition apparatus.
Fig. 3 is a front view of a metal friction deposition apparatus.
Fig. 4 is a top view of a metal friction deposition apparatus.
Fig. 5 is a perspective view of a friction stir head mechanism.
Fig. 6 is a cross-sectional view of a friction stir head mechanism.
The drawing is marked as follows: the device comprises a base unit 100, a base 101, a material adding workbench 102, a material adding head mechanism 200, a feeding assembly 201, a friction assembly 202, a protection assembly 300, a protection cover 301, a movable door 302, a movable cover 303, a control unit 400, a first driving assembly 201a, a friction piece 202b, a screw rod 104, a T-shaped groove 105, a servo cylinder 201a-1, a pressure sensor 201a-3, a lifting connecting rod 201a-2, a material pushing rod 201b, a material adding bar 201c, a rotating motor 202a-1-1, a first synchronous wheel 202a-2, a synchronous belt 202a-3, a second synchronous wheel 202a-4, a main shaft spline sleeve 202a-5, a rotating main shaft 202b-1, a stirring head 202b-2, a main shaft water cooling 500 and a stirring head water cooling 600.
Detailed Description
Referring to fig. 1 to 6, the embodiment provides a metal friction stir friction additive head mechanism, which includes a solid state process of metal friction deposition by arranging a friction member and matching with a feeding assembly, and is performed at a temperature lower than a melting temperature, so that printing materials are not melted, danger is reduced, and working efficiency is increased.
A bracket;
the feeding assembly 201 is arranged on the bracket and comprises a first driving assembly 201a and a pushing rod 201b rotatably arranged at one end of the first driving assembly 201a, and a material adding rod 201c arranged at one end of the pushing rod 201b far away from the first driving assembly 201 a;
the friction assembly 202 is arranged on the bracket and comprises a second driving assembly 202a and a friction piece 202b arranged at the output end of the second driving assembly 202a, the friction piece 202b is provided with a through hole along the axis, and the material adding rod 201c and the material pushing rod 201b do reciprocating motion in the through hole along the axis direction of the through hole.
It should be noted that, the material adding rod 201c and the material pushing rod 201b can only reciprocate in the through hole, and cannot rotate, because the material pushing rod 201b is rotatably disposed on the first driving assembly 201a, the material adding rod 201c and the material pushing rod 201b rotate along with the friction member 202 b.
Further, the first driving assembly 201a includes a servo cylinder 201a-1, a lifting link 201a-2 disposed at an output end of the servo cylinder 201a-1, and a pressure sensor 201a-3 disposed at an end of the lifting link 201a-2 away from the servo cylinder 201a-1, and the pushing rod 201b is rotatably connected with the lifting link 201 a-2.
The pushing rod 201b is connected to the lifting link 201a-2 via a bearing.
Further, the top servo electric cylinder 201a-1 is used for pushing, and the pressure sensor 201a-3 is installed at the output end of the servo electric cylinder 201a-1, so that the pressure sensor 201a-3 transmits information to the control unit 400, the pressure can be monitored and adjusted in real time, the control unit 400 controls the servo electric cylinder 201a-1, and the up-down coaxial precision can be ensured. The pressure sensor 201a-3 is connected with the lifting connecting rod 201a-2 to drive the pushing rod 201b, so as to squeeze the additive bar 201c to carry out the feeding process, wherein the pressure sensor 201a-3 is of the prior art, and the pressure sensor can be of a model BP800, BP801 or other types.
Further, the friction member 202b includes a rotating main shaft 202b-1-1 and a stirring head 202b-2 disposed at the end of the rotating main shaft 202b-1, and the rotating main shaft 202b-1 and the stirring head 202b-2 are provided with through holes along axes.
It should be noted that, the stirring head 202b-2 rotates under the driving of the rotating main shaft 202b-1, meanwhile, the material adding bar 201c is extruded on the workbench under the driving of the servo electric cylinder 201a-1, and the rotating main shaft 202b-1 drives the material adding bar 201c to perform rotating friction, so that the control of the servo electric cylinder 201a-1, the second driving assembly 201a and the control of the material adding workbench 102 achieve the desired material adding effect under the action of the control unit.
Further, the through-hole may be rectangular or polygonal, so that the opposing additive bar 201c and the pushing bar are correspondingly shaped.
Further, the second driving assembly 202a includes a rotating motor 202a-1-1, a first synchronizing wheel 202a-2 disposed at an output end of the rotating motor 202a-1, and a synchronous belt 202a-3, the first synchronizing wheel 202a-2 is disposed at one end of the synchronous belt 202a-3, the second synchronizing wheel 202a-4 is disposed at the other end of the synchronous belt 202a-3, a coupling is disposed on the rotating spindle 202b-1, the coupling is connected with a bearing spline housing 202a-5, and the bearing spline housing 202a-5 is matched with the second synchronizing wheel 202 a-4.
It should be noted that the timing belt 202a-3 may be directly connected to the bearing spline housing 202 a-5.
Further, it should be noted that, the spindle rotating motor 202a-1-1 is disposed on the right side, and the bearing spline housing 202a-5 and the rotating spindle 202b-1 are driven to rotate by the connection method of the synchronous wheel synchronous belt 202a-3, and the design can change the rotation speed by changing the current of the rotating motor 202 a-1-1. Also under the action of the bearing, the rotating motor 202a-1-1 and the servo motor 201a-1 operate synchronously, so that the rotating and lifting actions can be realized. The bearing spline housing 202a-5 is connected with the rotary main shaft 202b-1 through a coupling, so that machining errors can be compensated, and accuracy can be guaranteed.
Further, a spindle water cooling 500 rotatably coupled to the rotating spindle 202b-1 and a stirring head water cooling 600 rotatably coupled to the stirring head 202b-2 are also included.
It should be noted that, in the process of rotation stirring, a certain amount of heat is generated to damage the rotation bearing, and the water cooling device is added at the main shaft and the stirring head to reduce the temperature of the equipment, and the rotation connection mode is a bearing.
Further, the metal friction deposition equipment further comprises a base unit 100, wherein the base unit comprises a base 101 and a material adding workbench 102 arranged above the base 101, and the material adding workbench 102 is in transmission connection with the base 101;
the material adding head mechanism is arranged above the workbench;
a guard assembly 300 comprising a guard 301; a movable door 302 is arranged on one side of the protective cover 301 away from the material adding workbench 102, and movable covers 303 are arranged at two ends of the protective cover 301 in the width direction;
the control unit 400 is disposed at one side of the additive unit 200.
Preferably, a protection component is added to fully cover the working area of the equipment, so that the operation safety of the equipment is ensured.
Further, the base unit 100 includes a driving motor 103 disposed on the base 101, and a screw 104 disposed at an output end of the driving motor 103, where the screw 104 is connected to the workbench 102.
Further, the base unit 100 includes a driving motor 103 disposed on the base 101, and a screw 104 disposed at an output end of the driving motor 103, where the screw 104 is connected to the workbench 102.
The base 100 is an integral casting base, and the power mode of installing a motor accelerator-decelerator drives the screw 103 to push the worktable 102 to move in the X-axis direction. The design can be fitted to the table size according to different printed workpieces, and installed through the T-shaped groove of the casting base 100.
Preferably, the control unit 400 controls the entire apparatus.
Preferably, a positioner can be added on the workbench 102 to achieve the effect of five-axis linkage.
Preferably, the whole material adding unit is used as a Z axis of the machine tool, and the material adding unit is driven by the motor to move up and down, so that the speed and the precision requirements in the material adding process can be ensured.
Preferably, a protection component is added to fully cover the working area of the equipment, so that the operation safety of the equipment is ensured.
In conclusion, the machine tool adopts X-axis and Y, Z-axis separation design, can promote the size and the weight of printing the work piece under the condition of guaranteeing equipment gravity center, adopts prefabricated bar as the material-adding raw materials, and the material-adding speed is faster than traditional material-adding mode, and the material-adding process can not reach bar fusing point and is pure physical change process simultaneously, does not need protective gas, can not produce environmental impact such as high temperature, highlight. Through increasing the protection subassembly, to equipment work area full coverage, guarantee equipment operation safety. Meanwhile, the special stirring head is used, so that the softened material can be uniformly stirred and smeared, and bubbles and defects can be avoided.
Claims (8)
1. The utility model provides a friction stir material adding head mechanism which characterized in that: comprising the steps of (a) a step of,
a bracket;
the feeding assembly is arranged on the bracket and comprises a first driving assembly and a pushing rod rotatably arranged at the output end of the first driving assembly, and a material adding rod arranged at one end of the pushing rod far away from the first driving assembly;
the friction assembly is arranged on the support and comprises a second driving assembly and a friction piece arranged at the output end of the second driving assembly, a through hole is formed in the friction piece along the axis, and the material adding rod and the material pushing rod do reciprocating motion in the through hole along the axis direction.
2. A friction stir additive head mechanism according to claim 1 wherein: the first driving assembly comprises a servo electric cylinder, a lifting connecting rod arranged at the output end of the servo electric cylinder, and a pressure sensor arranged at one end, far away from the servo electric cylinder, of the lifting connecting rod, and the pushing rod is rotationally connected with the lifting connecting rod.
3. A friction stir additive head mechanism according to claim 1 wherein: the friction piece comprises a rotary main shaft and a stirring head arranged at the tail end of the rotary main shaft.
4. A friction stir additive head mechanism according to claim 3 wherein: the second driving assembly comprises a rotating motor, a first synchronous wheel arranged at the output end of the rotating motor and a synchronous belt, wherein the first synchronous wheel is arranged at one end of the synchronous belt, the second synchronous wheel is arranged at the other end of the synchronous belt, a coupling is arranged on the rotating main shaft, the coupling is connected with a bearing spline housing, and the bearing spline housing is matched with the second synchronous wheel.
5. A friction stir additive head mechanism according to claim 3 wherein: the stirring head water cooling device is characterized by further comprising a main shaft water cooling device which is rotationally connected with the rotary main shaft and a stirring head water cooling device which is rotationally connected with the stirring head.
6. A metal friction deposition apparatus characterized by: a friction stir additive head mechanism comprising any of claims 1-5, further comprising a base unit; the base unit comprises a base and a material adding workbench arranged above the base, and the material adding workbench is in transmission connection with the base;
the material adding head mechanism is arranged above the workbench;
a protective assembly comprising a protective cover; a movable door is arranged on one side, far away from the material adding workbench, of the protective cover, and movable covers are arranged at two ends of the protective cover in the width direction;
and the control unit is arranged at one side of the material adding unit.
7. A metal friction deposition apparatus according to claim 6, wherein: the base unit comprises a driving motor arranged on the base and a screw rod arranged at the output end of the driving motor, and the screw rod is connected with the workbench.
8. A metal friction deposition apparatus according to claim 7, wherein: the base is provided with a T-shaped groove, the workbench is provided with a lug, and the T-shaped groove is matched with the lug.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222429616.3U CN219093954U (en) | 2022-09-14 | 2022-09-14 | Friction stir material-increasing head mechanism and metal friction deposition equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222429616.3U CN219093954U (en) | 2022-09-14 | 2022-09-14 | Friction stir material-increasing head mechanism and metal friction deposition equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219093954U true CN219093954U (en) | 2023-05-30 |
Family
ID=86468549
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222429616.3U Active CN219093954U (en) | 2022-09-14 | 2022-09-14 | Friction stir material-increasing head mechanism and metal friction deposition equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219093954U (en) |
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2022
- 2022-09-14 CN CN202222429616.3U patent/CN219093954U/en active Active
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