CN217668578U - Portable handheld buffing machine - Google Patents
Portable handheld buffing machine Download PDFInfo
- Publication number
- CN217668578U CN217668578U CN202221618870.1U CN202221618870U CN217668578U CN 217668578 U CN217668578 U CN 217668578U CN 202221618870 U CN202221618870 U CN 202221618870U CN 217668578 U CN217668578 U CN 217668578U
- Authority
- CN
- China
- Prior art keywords
- polishing
- driven gear
- brush
- gear
- sleeve brush
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
Abstract
The application relates to a portable handheld polishing machine, which comprises a handheld part (1), a driving assembly and a polishing part, wherein the driving assembly comprises a motor, a driving gear (3) and a driven gear (5), the motor is arranged in the handheld part (1), the driving gear (3) is arranged at the front end of the handheld part (1) and is connected with an output shaft (2) of the motor, and the driven gear (5) is meshed on the driving gear (3) in a bevel gear transmission mode; the polishing part is a sleeve brush (4) which is detachably arranged at the center of the driven gear (5), and the inner wall of the sleeve brush (4) is provided with a polishing brush. In the application, the driving assembly adopts a bevel gear transmission mode, the structure is compact, and the volume and the weight of the whole machine are reduced; the circumferential surface contact of the sleeve brush can effectively solve the problem of uneven polishing; during operation, the workpiece penetrates into the sleeve brush, the polishing machine is moved to enable the sleeve brush rotating at a high speed to pass through the outer surface of the workpiece, polishing work on the whole outer wall of the workpiece can be completed, and the polishing machine is simple to operate, convenient and fast.
Description
Technical Field
The application relates to the technical field of machinery, in particular to a portable handheld polishing machine.
Background
The polishing machine is an electric tool for polishing and burnishing metal parts, stone and wood, and generally a motor drives a driven gear by driving a driving gear arranged on an output shaft so as to drive a polishing sheet arranged on the driven gear to rotate rapidly, so that the aims of removing redundant parts of materials or oil, rust, stains and the like attached to the surfaces of the materials are fulfilled.
When the conventional hand-held polishing machine is used for circumferentially polishing the outer walls of workpieces such as pipes, profiles and the like, the following problems exist:
(1) The polishing sheet is in line contact with the outer wall of a workpiece, excessive polishing is extremely easy to occur to form a polygon, the local polishing is not in place frequently, and the polishing work can be finished through repeated reciprocating operation.
(2) When the workpiece can not or is inconvenient to rotate, the polishing machine is usually required to be held by a hand, and the machine rotate around the workpiece to perform circumferential polishing, so that the operation is inconvenient. Especially, in the polishing work of the U-shaped heat exchange tube of the heat exchanger in the mechanical manufacturing industry, the U-shaped heat exchange tube is inconvenient to turn due to the structural limitation, the process is complicated, and more manpower is consumed.
(3) The existing hand-held polishing machine has complex and dispersed structure and heavier volume and weight.
Disclosure of Invention
The technical problem that this application will be solved provides a simple structure, convenient operation's portable handheld buffing machine.
In order to solve the problems, the application provides a portable hand-held polishing machine which comprises a hand-held part, a driving assembly and a polishing part, wherein the driving assembly comprises a motor, a driving gear and a driven gear, the motor is arranged in the hand-held part, the driving gear is arranged at the front end of the hand-held part and is connected with an output shaft of the motor, and the driven gear is meshed on the driving gear in a bevel gear transmission mode; the polishing and burnishing part is a sleeve brush which is detachably arranged at the center of the driven gear, the inner wall of the sleeve brush is provided with a polishing brush, and the inner diameter of the polishing brush is matched with the outer diameter of a workpiece.
Preferably, the outer diameter of the sleeve brush is matched with the inner diameter of the central through hole of the driven gear, the driven gear is provided with an installation through hole, and the sleeve brush is screwed in and tightly pushed against the outer wall of the sleeve brush from outside to inside through a jackscrew to realize fixation.
Preferably, a supporting plate is arranged at the front end of the handheld portion, the output shaft penetrates through the supporting plate through a first bearing, and the driving gear is arranged at the front end of the output shaft and located in front of the supporting plate.
Preferably, the front end of the support plate is provided with an upper sealing support cover plate and a lower sealing support cover plate which form an L shape together with the support plate, and the driven gear is assembled between the upper sealing support cover plate and the lower sealing support cover plate through a second bearing.
Compared with the prior art, the method has the following advantages:
in the portable handheld polishing machine, the driving assembly adopts a bevel gear transmission mode, the structure is compact, the transmission effect is good, and the size and the weight of the whole machine are reduced; the polishing piece is a sleeve brush, and compared with the prior art that the polishing piece is in line contact with the outer wall of the workpiece, the problem of uneven polishing can be effectively solved by the circumferential surface contact of the sleeve brush; during operation, a workpiece (such as a straight pipe section of the U-shaped heat exchange pipe) penetrates into the sleeve brush, the polishing machine is moved to enable the sleeve brush rotating at a high speed to pass through the outer surface of the workpiece, polishing work on the whole outer wall of the workpiece can be completed, and the polishing machine is simple in operation, convenient and fast.
Drawings
The following description of the embodiments of the present application will be made in detail with reference to the accompanying drawings.
Fig. 1 is a schematic structural view of a portable hand grinder according to an embodiment of the present application.
In the figure: 1-handheld portion, 2-output shaft, 3-driving gear, 4-sleeve brush, 5-driven gear, 6-upper seal support cover plate, 7-lower seal support cover plate, 8-second bearing, 9-first bearing, 10-backup pad, 11-jackscrew, 12-work piece.
Detailed Description
Referring to fig. 1, the present application provides a portable hand sander comprising a hand grip 1, a drive assembly and a sanding element, the drive assembly comprising an electric motor, a drive gear 3 and a driven gear 5.
In the present application, the motor is disposed inside the handheld portion 1, and a connection line between the motor and the power supply passes through a tail portion of the handheld portion 1. The driving gear 3 is arranged at the front end of the hand-held part 1 and is connected with the output shaft 2 of the motor, the driven gear 5 is engaged on the driving gear 3 in a bevel gear transmission mode, and the driving gear 3 and the driven gear 5 form an L shape.
The polishing piece is a sleeve brush 4 detachably arranged at the center of the driven gear 5, and the sleeve brush 4 can be driven by the driven gear 5 to rotate. The inner wall of the sleeve brush 4 is provided with a polishing brush, the inner diameter of the sleeve brush is matched with the outer diameter of the workpiece 12, and the workpiece 12 (with a circular or approximately circular section) to be polished can fit through the sleeve brush. The external diameter of sleeve brush 4 suits with the internal diameter of 5 central through-holes of driven gear, has the installation through-hole on the driven gear 5, and the top is tight 4 outer walls of sleeve brush are realized fixing through the outside-in screw in of jackscrew 11. The detachable connection between the sleeve brush 4 and the driven gear 5 is convenient for replacing the damaged sleeve brush 4 on one hand and installing the sleeve brushes 4 with different inner diameters on the other hand so as to adapt to workpieces with different outer diameter sizes.
The handheld portion 1 is transversely placed, a supporting plate 10 which is vertically arranged is arranged at the front end of the handheld portion, an output shaft 2 of the motor penetrates through the supporting plate 10 through a first bearing 9, and the driving gear 3 is arranged at the front end of the output shaft 2 and located in front of the supporting plate 10. The front end of the supporting plate 10 is provided with an upper sealing supporting cover plate 6 and a lower sealing supporting cover plate 7 which form an L shape together, and the driven gear 5 is assembled between the upper sealing supporting cover plate 6 and the lower sealing supporting cover plate 7 through a second bearing 8. The structure is compact in arrangement and small in occupied size.
The technical solutions provided by the present application are described in detail above. The principles and embodiments of the present application are explained herein using specific examples, which are provided only to help understand the structure and the core concept of the present application. It should be noted that, for those skilled in the art, without departing from the principle of the present application, the present application can also make several improvements and modifications, and those improvements and modifications also fall into the protection scope of the claims of the present application.
Claims (4)
1. A portable hand-held polishing machine comprises a hand-held part (1), a driving assembly and a polishing part, wherein the driving assembly comprises a motor, a driving gear (3) and a driven gear (5), the motor is arranged in the hand-held part (1), the driving gear (3) is arranged at the front end of the hand-held part (1) and is connected with an output shaft (2) of the motor, and the driven gear (5) is meshed on the driving gear (3) in a bevel gear transmission manner; the polishing and burnishing part is a sleeve brush (4) which is detachably arranged at the center of the driven gear (5), the inner wall of the sleeve brush (4) is provided with the polishing and burnishing brush, and the inner diameter of the polishing and burnishing brush is adapted to the outer diameter of the workpiece (12).
2. The portable hand polishing machine as claimed in claim 1, characterized in that the external diameter of the sleeve brush (4) is adapted to the internal diameter of the central through hole of the driven gear (5), the driven gear (5) is provided with a mounting through hole, and the fixing is realized by screwing a jackscrew (11) from outside to inside to tightly press the outer wall of the sleeve brush (4).
3. A portable hand grinder as claimed in claim 1, characterised in that a support plate (10) is provided at the front end of the hand-held portion (1), the output shaft (2) is passed through the support plate (10) via a first bearing (9), and the drive gear (3) is provided at the front end of the output shaft (2) in front of the support plate (10).
4. A portable hand grinder as claimed in claim 3, characterised in that the front end of the supporting plate (10) is provided with an upper seal supporting cover plate (6) and a lower seal supporting cover plate (7) which together form an L-shape, and the driven gear (5) is fitted between the upper seal supporting cover plate (6) and the lower seal supporting cover plate (7) through a second bearing (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221618870.1U CN217668578U (en) | 2022-06-27 | 2022-06-27 | Portable handheld buffing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221618870.1U CN217668578U (en) | 2022-06-27 | 2022-06-27 | Portable handheld buffing machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217668578U true CN217668578U (en) | 2022-10-28 |
Family
ID=83713504
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221618870.1U Active CN217668578U (en) | 2022-06-27 | 2022-06-27 | Portable handheld buffing machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217668578U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| USD1041103S1 (en) * | 2024-02-21 | 2024-09-03 | Guangzhou Zhima Technology Co., Ltd | Electric spin scrubber |
-
2022
- 2022-06-27 CN CN202221618870.1U patent/CN217668578U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| USD1041103S1 (en) * | 2024-02-21 | 2024-09-03 | Guangzhou Zhima Technology Co., Ltd | Electric spin scrubber |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN210024878U (en) | Pipe fitting burnishing device and pipe fitting processing lines | |
| CN113385993B (en) | Polishing device and polishing process for molded metal product | |
| CN217668578U (en) | Portable handheld buffing machine | |
| CN214109800U (en) | Polishing device for finish machining of steel pipe | |
| CN211439430U (en) | Automatic polishing mill for processing chain wheel | |
| CN212653233U (en) | Cleaning device for inner wall and outer wall of steel pipe | |
| CN211615248U (en) | Seamless steel pipe surface finish equipment | |
| CN113427386A (en) | Finish machining equipment and finish machining process for manufacturing motor rotor of screw drill | |
| CN206883367U (en) | Stainless pipe weld seam polishing machine | |
| CN216179524U (en) | Inner wall polishing equipment for copper pipe of gas stove | |
| CN111958430A (en) | Steel pipe incision polisher | |
| CN220481297U (en) | Automatic system of external sharpening machine | |
| CN221185812U (en) | Metal pipe inner wall grinding device | |
| CN218874978U (en) | A portable steel pipe derusting tool | |
| CN221364348U (en) | Steel pipe polishing machine | |
| CN222520750U (en) | A small diameter heat exchange tube grinding treatment device | |
| CN114337135B (en) | Stator processing device | |
| CN217413384U (en) | Hand-held grinding repair tool for diamond drill bit | |
| CN111941246B (en) | A robot for automatically crawling and polishing the inner surface of a circular tube | |
| CN219027116U (en) | Round tube polishing machine applicable to different diameters | |
| CN222244168U (en) | Rust removal device for steel pipe processing | |
| CN220839324U (en) | Water pump pliers flour milling device | |
| CN219542586U (en) | Steel form welding seam buffing machine | |
| CN216463830U (en) | Pre-buried exposed steel bar rust cleaning device of building engineering | |
| CN213998554U (en) | General formula car water pump processing frock |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20230103 Address after: Baiyun Avenue, Industrial Park, Hami City, Xinjiang Uygur Autonomous Region, 839000 Patentee after: XINJIANG LANSHI REFITTING ENERGY ENGINEERING Co.,Ltd. Address before: 730314 No.528, west section of Huanghe Avenue, Lanzhou New District, Lanzhou City, Gansu Province Patentee before: LANZHOU LS HEAVY EQUIPMENT Corp.,Ltd. |
|
| TR01 | Transfer of patent right |