CN216991295U

CN216991295U - Flexible abrasive belt machine for polishing additive manufacturing parts

Info

Publication number: CN216991295U
Application number: CN202220909639.1U
Authority: CN
Inventors: 王野; 于浩; 林宏杰
Original assignee: Qingdao Zhongke Ruihang Aviation Technology Co ltd
Current assignee: Qingdao Zhongke Ruihang Aviation Technology Co ltd
Priority date: 2022-04-20
Filing date: 2022-04-20
Publication date: 2022-07-19
Anticipated expiration: 2032-04-20

Abstract

The utility model provides a flexible abrasive belt machine for polishing additive manufacturing parts, which comprises a handle and a pneumatic motor fixedly arranged at one end of the handle, wherein an air passage is arranged in the handle, one end of the air passage is communicated with an air inlet of the pneumatic motor, the other end of the air passage extends to the end part of the handle far away from the pneumatic motor, and an air valve used for realizing opening and closing of the air passage is arranged on the handle; the outer wall of the pneumatic motor close to one end of the output shaft is fixedly provided with a support plate, the support plate is provided with a support frame capable of adjusting deformation, the support frame is provided with a plurality of support wheels for mainly supporting the abrasive belt and a plurality of limiting wheels for limiting the abrasive belt, the output shaft of the pneumatic motor is fixedly provided with a driving wheel, and one end of the abrasive belt is wound on the driving wheel; its novel structure, but the special-shaped face of adaptation part is adjusted, can conveniently carry out quick and unified polishing, effectively improves efficiency of polishing and the quality of polishing.

Description

Flexible abrasive belt machine for polishing additive manufacturing parts

Technical Field

The utility model relates to the field of polishing devices, in particular to a flexible abrasive belt machine for polishing an additive manufacturing part.

Background

Additive manufacturing is a technique for directly manufacturing a three-dimensional entity of almost any shape based on a digital model file, by building up layers by layers. In the traditional manufacturing process, the more complex the workpiece is, the higher the processing cost is, and the additive manufacturing technology breaks through the technical bottleneck of manufacturing parts with complex structures, so that the additive manufacturing technology has more advantages in the production process of the complex parts; because in the process of stacking layer by layer, the effect of expansion with heat and contraction with cold exists for the model surface is comparatively crude, especially lower surface and holding surface, so need polish the part after the shaping.

The additive manufacturing part is generally complex in structure, the structures of a curved surface and a special-shaped surface are more, the traditional grinding tool cannot be well matched with the curved surface structure, the grinding cannot be performed quickly and uniformly, more time is needed for grinding in the follow-up process, and the efficiency is to be improved.

Disclosure of Invention

In order to overcome the defects of the prior art, the utility model aims to provide the flexible abrasive belt machine for polishing the additive manufacturing part, which is novel in structure, can be adjusted to adapt to the special-shaped surface of the part, can conveniently and rapidly polish uniformly, and effectively improves the polishing efficiency and the polishing quality.

In order to achieve the purpose, the utility model adopts the following technical scheme:

the utility model provides a flexible abrasive belt machine for polishing additive manufacturing parts, which comprises a handle and a pneumatic motor fixedly arranged at one end of the handle, wherein an air passage is arranged in the handle, one end of the air passage is communicated with an air inlet of the pneumatic motor, the other end of the air passage extends to the end part of the handle far away from the pneumatic motor, and an air valve used for realizing opening and closing of the air passage is arranged on the handle; the pneumatic motor is fixedly provided with a supporting plate on the outer wall close to one end of the output shaft, a supporting frame capable of adjusting deformation is installed on the supporting plate, a plurality of supporting wheels for mainly supporting the abrasive belt are arranged on the supporting frame, a plurality of limiting wheels for limiting the abrasive belt are arranged on the supporting frame, the output shaft of the pneumatic motor is fixedly provided with a driving wheel, and one end of the abrasive belt is wound on the driving wheel.

In a preferred technical scheme of the utility model, the support frame comprises a plurality of clamping pieces in pin joint fit, one end of each clamping piece is provided with a first clamping groove, the first clamping groove is provided with a first through hole which penetrates through the first clamping groove, the other end of each clamping piece is provided with a clamping plate, and the clamping plate is provided with a second through hole; the thickness of the clamping plate is matched with the groove width of the first clamping groove, the two adjacent clamping parts are in pin joint fit through an inserting frame penetrating through the clamping plate and the first clamping groove, a locking nut used for locking the pin joint part is arranged at the end part of the inserting frame, and the supporting wheel and the limiting wheel are both arranged on the inserting frame.

In a preferred technical scheme of the utility model, the insertion frame comprises a first rotating shaft and a second rotating shaft, an insertion rod is fixedly arranged at one end of the first rotating shaft, the diameter of the insertion rod is smaller than that of the first rotating shaft, and the diameter of the insertion rod is matched with the first through hole and the second through hole; the outer wall of the end part of the inserted rod is provided with a first thread section which is matched and connected with the locking nut, so that the two spliced clamping pieces are locked; the other end of the first rotating shaft is bent by 90 degrees to form a first bending section, the end part of the first bending section is bent by 90 degrees towards one side of the inserted link to form a second bending section, the second rotating shaft is fixedly arranged at the end part of the second bending section, the axes of the second rotating shaft and the second rotating shaft are overlapped, the diameter of the second rotating shaft is smaller than that of the second bending section, and a limiting plate is arranged at the end part of the second rotating shaft in a threaded manner; the supporting wheel is rotatably arranged at the first rotating shaft, the limiting wheel is rotatably arranged at the second rotating shaft, and the limiting wheel is rotatably clamped between the second bending section and the limiting plate.

In a preferred technical scheme of the utility model, a second thread section is arranged on the inserted link and is positioned at one end of the inserted link close to the first rotating shaft; the second thread section department installs the spacing ring, and the external diameter of spacing ring is greater than the diameter of first pivot, and the supporting wheel rotates the card between spacing ring and first bending segment.

In a preferred technical scheme of the utility model, the outer wall of the limiting ring is in a hexagonal prism structure.

In a preferred technical scheme of the utility model, a second clamping groove is arranged at the end part of the supporting plate, a clamping plate of the supporting frame, which is close to the pneumatic motor, is in pin joint fit with the second clamping groove through an inserting frame, and is provided with a supporting wheel and a limiting wheel, and the limiting wheel is positioned at one side close to a sanding surface of the abrasive belt; the rest limiting wheels are positioned on one side of the corresponding supporting wheel far away from the sanding surface of the abrasive belt.

In a preferred technical scheme of the utility model, a protective cover is fixedly arranged above the end part of the output shaft of the pneumatic motor, and the depth of the protective cover is greater than the thickness of the driving wheel.

In a preferred technical scheme of the utility model, the air valve is a press type air valve, the air valve is arranged in the air passage and used for communicating the air inlet and the air outlet of the air passage, and the press part of the air valve is positioned outside the handle.

The utility model has the beneficial effects that:

the utility model provides a flexible abrasive belt machine for polishing additive manufacturing parts, which is novel in structure and comprises an abrasive belt and a support frame, wherein the support frame is used for supporting the abrasive belt and can adjust deformation, the support frame can be adapted to the special-shaped surface of the part to be adjusted, so that the abrasive belt is better arranged to be close to the special-shaped surface, and a pneumatic motor drives the abrasive belt to rotate rapidly, so that the parts are polished rapidly and uniformly, and the polishing efficiency and the polishing quality are effectively improved; and, the setting of pneumatic motor, handle, pneumatic valve can conveniently be opened and close the air feed, is convenient for carry out quick start and close, uses convenient operation to pneumatic motor.

Drawings

FIG. 1 is a schematic perspective view of a flexible belt sander for sanding an additive manufactured part provided in an embodiment of the present invention;

FIG. 2 is an elevation view of a flexible belt sander for sanding an additive manufactured part provided in a specific embodiment of the present invention;

FIG. 3 is a schematic structural view of a jack provided in an embodiment of the present invention;

fig. 4 is a schematic perspective view of a clip provided in an embodiment of the present invention.

In the figure:

100. a handle; 200. a pneumatic motor; 210. a support plate; 220. a protective cover; 300. an air valve; 400. a support frame; 410. a fastener; 411. a first card slot; 412. clamping a plate; 500. an abrasive belt; 610. a support wheel; 620. a limiting wheel; 630. a driving wheel; 700. inserting a frame; 710. a first rotating shaft; 711. a first bending section; 712. a second bending section; 720. a second rotating shaft; 730. inserting a rod; 731. a first thread segment; 732. a second thread segment; 740. a limiting plate; 750. a limiting ring; 760. and locking the nut.

Detailed Description

The technical scheme of the utility model is further explained by the specific implementation mode in combination with the attached drawings.

As shown in fig. 1 to 4, in an embodiment of the present invention, a flexible belt sander for sanding an additive manufacturing part is disclosed, which includes a handle 100, a pneumatic motor 200 fixedly installed at one end of the handle 100, an air passage is installed inside the handle 100, one end of the air passage is communicated with an air inlet of the pneumatic motor 200, the other end of the air passage extends to an end of the handle 100 far away from the pneumatic motor 200, and an air valve 300 for opening and closing the air passage is installed on the handle 100; the outer wall of the pneumatic motor 200 near one end of the output shaft is fixedly provided with a support plate 210, the support plate 210 is provided with a support frame 400 capable of adjusting deformation, the support frame 400 is provided with a plurality of support wheels 610 for mainly supporting the abrasive belt 500 and a plurality of limiting wheels 620 for limiting the abrasive belt 500, the output shaft of the pneumatic motor 200 is fixedly provided with a driving wheel 630, and one end of the abrasive belt 500 is wound on the driving wheel 630.

The flexible abrasive belt machine for polishing the additive manufacturing part is novel in structure and comprises an abrasive belt and a support frame which is used for supporting the abrasive belt and is adjustable in deformation, the support frame can be adapted to the special-shaped surface of the part to be adjusted, so that the abrasive belt is better attached to the special-shaped surface, and the pneumatic motor drives the abrasive belt to rotate rapidly, so that the part is polished rapidly and uniformly, and the polishing efficiency and the polishing quality are effectively improved; and, the setting of pneumatic motor, handle, pneumatic valve can conveniently be opened and close the air feed, is convenient for carry out quick start and close, uses convenient operation to pneumatic motor.

Further, the supporting frame 400 comprises a plurality of clamping pieces 410 which are in pivot joint fit, one end of each clamping piece 410 is provided with a first clamping groove 411, a first through hole which penetrates through the first clamping groove 411 is formed in the other end of each clamping piece, and a clamping plate 412 is arranged on the clamping plate 412; the thickness of the clamping plate 412 is matched with the width of the first clamping groove 411, two adjacent clamping pieces 410 are in pivot joint matching through an inserting frame 700 penetrating through the clamping plate 412 and the first clamping groove 411, a locking nut 760 for locking a pivot joint part is arranged at the end part of the inserting frame 700, and the supporting wheel 610 and the limiting wheel 620 are both arranged on the inserting frame 700; this structural design makes supporting wheel and spacing wheel all change along with the position change of fastener, realizes fixing during the locking to better adaptation adjustment carries out.

Further, the inserting frame 700 includes a first rotating shaft 710 and a second rotating shaft 720, an inserting rod 730 is fixedly disposed at one end of the first rotating shaft 710, the diameter of the inserting rod 730 is smaller than that of the first rotating shaft 710, and the diameter of the inserting rod 730 is adapted to the first through hole and the second through hole; the outer wall of the end part of the inserting rod 730 is provided with a first thread section 731, and the first thread section 731 is matched and connected with the locking nut 760, so that the two spliced clamping pieces 410 are locked; the other end of the first rotating shaft 710 is bent by 90 degrees to form a first bending section 711, the end of the first bending section 711 is bent by 90 degrees towards one side of the insertion rod 730 to form a second bending section 712, the second rotating shaft 720 is fixedly arranged at the end of the second bending section 712, the axes of the second rotating shaft 720 are overlapped, the diameter of the second rotating shaft 720 is smaller than that of the second bending section 712, and a limiting plate 740 is arranged at the end of the second rotating shaft 720 in a threaded manner; the supporting wheel 610 is rotatably mounted at the first rotating shaft 710, the limiting wheel 620 is rotatably mounted at the second rotating shaft 720, and the limiting wheel 620 is rotatably clamped between the second bending segment 712 and the limiting plate 740; this structural design can make the frame of inserting can install spacing round and supporting wheel simultaneously, makes it as a unified module structure to be convenient for carry out the dismouting, also can carry out holistic adjustment, use convenient operation.

Further, a second threaded section 732 is provided on the insertion rod 730, and the second threaded section 732 is located at one end of the insertion rod 730 close to the first rotating shaft 710; a limiting ring 750 is arranged at the second threaded section 732, the outer diameter of the limiting ring 750 is larger than the diameter of the first rotating shaft 710, and the supporting wheel 610 is rotatably clamped between the limiting ring 750 and the first bending section 711; the limiting ring is arranged, so that the supporting wheel can be limited on one hand, and the supporting wheel is prevented from running along the axial direction; on the other hand, the support of the clamping piece can be increased, so that the clamping piece can be stably clamped and fixed.

Further, the outer wall of the limit ring 750 is in a hexagonal prism structure, which facilitates clamping of the limit ring, so that the limit ring can be screwed and fixed by using a tool.

Further, a second clamping groove is formed at the end of the supporting plate 210, the clamping plate 412 of the supporting frame 400 close to the pneumatic motor 200 is in pivot fit with the second clamping groove through the inserting frame 700, and a supporting wheel 610 and a limiting wheel 620 are installed on the supporting frame and located at one side close to the polishing surface of the abrasive belt 500; the rest limiting wheels are positioned at one side of the corresponding supporting wheel far away from the grinding surface of the abrasive belt 500; the structural design can facilitate the connection between the support frame and the support plate, and the connection part can be adjusted, so that the adjustment application range is expanded better; on the other hand, the sanding surface of the abrasive belt can be limited at the end part, and the other side is limited by the other limiting wheels, so that the integral coordination is carried out, and the looseness of the sanding surface of the abrasive belt is prevented.

Further, pneumatic motor 200 is equipped with protection casing 220 in the fixed top of output shaft end portion, and the degree of depth of protection casing 220 is greater than the thickness of action wheel 630, shelters from near handheld position department, improves the safety in utilization on the one hand, and on the other hand then can prevent to polish the powder that in-process abrasive band mix with and send to the hand, reduces subsequent clearance.

Further, the air valve 300 is a press type air valve, the air valve 300 is arranged in the air passage and used for communicating the air inlet and the air outlet of the air passage, and the press part of the air valve 300 is positioned outside the handle 100, so that the air passage can be conveniently communicated or cut off, and the abrasive belt can be quickly started and stopped.

While the utility model has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes may be made and equivalents may be substituted for elements thereof without departing from the spirit and scope of the utility model. The present invention is not to be limited by the specific embodiments disclosed herein, and other embodiments that fall within the scope of the claims of the present application are intended to be within the scope of the present invention.

Claims

1. The utility model provides a flexible abrasive band machine for polishing vibration material disk part which characterized in that:

the air valve is fixedly arranged at one end of the handle, an air passage is arranged in the handle, one end of the air passage is communicated with an air inlet of the air motor, the other end of the air passage extends to the end part of the handle far away from the air motor, and the air valve used for realizing opening and closing of the air passage is arranged on the handle;

the pneumatic motor is fixedly provided with a supporting plate on the outer wall close to one end of the output shaft, a supporting frame capable of adjusting deformation is installed on the supporting plate, a plurality of supporting wheels for mainly supporting the abrasive belt are arranged on the supporting frame, a plurality of limiting wheels for limiting the abrasive belt are arranged on the supporting frame, the output shaft of the pneumatic motor is fixedly provided with a driving wheel, and one end of the abrasive belt is wound on the driving wheel.

2. A flexible abrasive belt machine for abrading an additive manufactured part according to claim 1, characterized in that:

the supporting frame comprises a plurality of clamping pieces in pin joint fit, one end of each clamping piece is provided with a first clamping groove, a first through hole is formed in each first clamping groove in a penetrating mode, the other end of each clamping piece is provided with a clamping plate, and each clamping plate is provided with a second through hole; the thickness of the clamping plate is matched with the groove width of the first clamping groove, the two adjacent clamping parts are in pin joint fit through an inserting frame penetrating through the clamping plate and the first clamping groove, a locking nut used for locking the pin joint part is arranged at the end part of the inserting frame, and the supporting wheel and the limiting wheel are both arranged on the inserting frame.

3. A flexible abrasive belt machine for abrading an additive manufactured part according to claim 1, characterized in that:

the inserting frame comprises a first rotating shaft and a second rotating shaft, an inserting rod is fixedly arranged at one end of the first rotating shaft, the diameter of the inserting rod is smaller than that of the first rotating shaft, and the diameter of the inserting rod is matched with the first through hole and the second through hole; the outer wall of the end part of the inserted rod is provided with a first thread section which is matched and connected with the locking nut, so that the two spliced clamping pieces are locked;

the other end of the first rotating shaft is bent by 90 degrees to form a first bending section, the end part of the first bending section is bent by 90 degrees towards one side of the inserted link to form a second bending section, the second rotating shaft is fixedly arranged at the end part of the second bending section, the axes of the second rotating shaft and the second rotating shaft are overlapped, the diameter of the second rotating shaft is smaller than that of the second bending section, and a limiting plate is arranged at the end part of the second rotating shaft in a threaded manner;

the supporting wheel is rotatably installed at the first rotating shaft, the limiting wheel is rotatably installed at the second rotating shaft, and the limiting wheel is rotatably clamped between the second bending section and the limiting plate.

4. A flexible abrasive belt machine for abrading an additive manufactured part according to claim 3, characterized in that:

the second thread section is arranged on the inserted link and is positioned at one end of the inserted link close to the first rotating shaft; the second screw section department installs the spacing ring, and the external diameter of spacing ring is greater than the diameter of first pivot, and the supporting wheel rotates the card between spacing ring and first bending segment.

5. A flexible abrasive belt machine for abrading an additive manufactured part according to claim 4, characterized in that:

the outer wall of the limiting ring is in a hexagonal prism structure.

6. A flexible abrasive belt machine for abrading an additive manufactured part according to claim 1, characterized in that:

the end part of the supporting plate is provided with a second clamping groove, a clamping plate of the supporting frame, which is close to the pneumatic motor, is in pin joint fit with the second clamping groove through an inserting frame, and is provided with a supporting wheel and a limiting wheel, and the limiting wheel is positioned at one side close to the sanding surface of the abrasive belt;

the rest limiting wheels are positioned on one side of the corresponding supporting wheel far away from the sanding surface of the abrasive belt.

7. A flexible abrasive belt machine for abrading an additive manufactured part according to claim 1, characterized in that:

the pneumatic motor is fixedly provided with a protective cover above the end part of the output shaft, and the depth of the protective cover is greater than the thickness of the driving wheel.

8. A flexible abrasive belt machine for abrading an additive manufactured part according to claim 1, characterized in that:

the air valve is a pressing type air valve which is arranged in the air passage and used for communicating the air inlet and the air outlet of the air passage, and the pressing part of the air valve is positioned outside the handle.