CN202006412U - AC-DC triangular sand polishing machine - Google Patents
AC-DC triangular sand polishing machine Download PDFInfo
- Publication number
- CN202006412U CN202006412U CN2011200231135U CN201120023113U CN202006412U CN 202006412 U CN202006412 U CN 202006412U CN 2011200231135 U CN2011200231135 U CN 2011200231135U CN 201120023113 U CN201120023113 U CN 201120023113U CN 202006412 U CN202006412 U CN 202006412U
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- CN
- China
- Prior art keywords
- casing
- base plate
- collecting box
- drive motors
- direct current
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- 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.)
- Expired - Fee Related
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Abstract
An AC-DC triangular sand polishing machine comprises a casing, a base plate arranged on the bottom of the casing, a sand paper wrapping the lower surface of the base plate, elastic front and rear connecting racks connecting the casing and the base plate, a driving motor installed in the casing, a plurality of air suction openings arranged on the base plate and the sand paper, a dust-absorbing chamber arranged in the casing, fan blades fixedly installed at an output shaft of the driving motor and situated in the dust-absorbing chamber, and an eccentric block embedded in the fan blades. The output shaft of the driving motor is inserted in the eccentric hole of the eccentric block. A bearing is installed on the base plate, and a central shaft at the lower end of the eccentric block is fixed in an inner hole of the bearing. The AC-DC triangular sand polishing machine is driven directly by the motor which drives the base plate to carry out sand polishing operation. Dust generated during sand polishing can be automatically absorbed, and sand polishing effect is improved. A dust collecting box is detachable and convenient for cleaning. Moreover, the AC-DC triangular sand polishing machine is simple and reasonable in structure and convenient for operation.
Description
Technical field
The utility model relates to a kind of electric hand tool, and the triangle disk sander of direct current is changeed in a kind of specifically interchange that can absorb the dirt bits automatically.
Background technology
Existing triangle disk sander, basic structure comprises casing, base plate, is arranged on drive motors in the casing and drives base plate by gear drive and rotate and carry out sand milling.But behind sand milling, can produce a lot of dirt bits, disk sander on market does not all have dust arrester, therefore after often needing to remove the dust removal bits earlier after work a period of time, just can work on, have a strong impact on operating efficiency, and operating personnel tend to suck a large amount of dirt bits when sand milling, thereby influence operating personnel's health.Existing in addition interchange disk sander exists motor speed too fast, and the shortcoming that service life is low, and the direct current disk sander can only use after being full of electricity less than time of one hour and just needs charging is if work long hours then can only be by changing reserve battery.Patent Office of the People's Republic of China is disclosed on May 23rd, 2007, Granted publication number is " the rechargeable direct current electric angle grinder " of " CN2902574 ", it comprises the detachable power brick, motor, switch module, housing, gearbox, working head, motor is fixed on the housing, described gearbox comprises head capsule, pinion shaft, bevel pinion, bevel gear wheel, the output main shaft, pinion shaft is arranged on the head capsule by the bearing of both sides, bevel pinion is fixed on the pinion shaft, the output main shaft is fixed with bevel gear wheel and is arranged on the head capsule by bearing, bevel gear wheel and bevel pinion engagement, working head is fixed on the output main shaft, and motor is connected with pinion shaft by flexible coupling.This structure both can't have been removed the dirt bits automatically, also can't work long hours.
The utility model content
The purpose of this utility model is at the defective of above-mentioned prior art and deficiency, changes the triangle disk sander of direct current for people provide a kind of interchange that can absorb the dirt bits automatically, also can work long hours.
Technical solution adopted in the utility model is for achieving the above object: the base plate that the triangle disk sander of this interchange commentaries on classics direct current comprises casing and is arranged at bottom of shell, lower surface at base plate is coated with sand paper, pass through the preceding link of rubber-like between casing and the base plate, rear connecting frame links to each other, in the described casing drive motors is installed, rear end at casing is provided with power line, this power line links to each other with drive motors by the switch on the casing, offer a plurality of air suction openings on described base plate and the sand paper, be provided with vacuum chamber in the described casing, rear side at vacuum chamber is provided with air exhaust passage, air outlet spiral-lock at air exhaust passage has bits collecting box, be installed with fan blade on the output shaft of described drive motors, this fan blade is positioned at vacuum chamber, in fan blade, be embedded with eccentric block, the output shaft of drive motors is interspersed in the eccentric orfice of eccentric block, on the described base plate bearing is installed, and the central shaft of eccentric block lower end is fixed in the endoporus of bearing.
The rectifying circuit plate is installed between described power line and the switch.
Described rear connecting frame is provided with passage, and this passage overlaps with air exhaust passage on the casing.
The top of described bits collecting box is provided with two parallel filler rods, and casing is provided with the caulking groove relative with filler rod.
The top of described bits collecting box offers a plurality of ventholes, is provided with the filter paper that is positioned at the venthole below in the bits collecting box.
The rear end at described bits collecting box top is provided with a plurality of air discharge ducts.
The utility model directly drives the eccentric block rotation by drive motors, thereby drives the operation of base plate rotation carrying out sand milling.Drive motors also can drive the fan blade rotation simultaneously, can make and produce negative pressure in the vacuum chamber, the dirt that is produced during sand milling bits, enter vacuum chamber by the air suction opening on base plate and the sand paper, and finally arrive in the bits collecting box by the exhaust passage, realized the automatic absorption of dirt bits, improved sand milling efficient.Bits collecting box has adopted dismountable structure, can be so that the cleaning of bits collecting box.Have simple and reasonable, convenient to operation advantage, good market prospects are arranged.
Description of drawings
Fig. 1 is a structural representation of the present utility model.
Fig. 2 is the structural representation of the utility model base plate.
Fig. 3 is the STRUCTURE DECOMPOSITION figure of the utility model drive motors, fan blade and eccentric block.
Fig. 4 is the structural representation of the utility model bits collecting box.
The specific embodiment
As Fig. 1, Fig. 2, shown in Figure 3, the utility model is a kind of triangle disk sander that changes direct current that exchanges, and the base plate 10 that it comprises casing 8 and is arranged at casing 8 bottoms is coated with sand paper 12 at the lower surface of base plate 10, this sand paper 12 is tack sand paper, can be directly and base plate 10 lower surfaces cling.Link to each other by link 9, rear connecting frame 15 before the rubber-like between casing 8 and the base plate 10, so base plate 10 casing 8 motions relatively.Be provided with power line 1 in the rear end of casing 8, be set with sheath 2 on power line 1, this sheath 2 interlocks with casing 8 rear ends, also is provided with tension disc 3 on casing 8, and power line 1 and housing 8 are compressed, and prevents that power line 1 from pulling out from housing 8 rear ends.In the described casing 8 drive motors 7 is installed, power line 1 links to each other with drive motors 7 by the switch 5 on the casing 8, can control drive motors 7 by the button 6 of Push switch 5 tops.Between described power line 1 and the switch 5 rectifying circuit plate 4 is installed, with output DC behind the electric current line 1 output AC electric rectification, so drive motors 7 also only need select for use direct current generator to get final product.Offer a plurality of air suction openings 18 on described base plate 10 and the sand paper 12, be provided with vacuum chamber 8.1 in the described casing 8, be provided with air exhaust passage 8.2, bits collecting box 15 is arranged in the air outlet spiral-lock of air exhaust passage 8.2 at the rear side of vacuum chamber 8.1.Described rear connecting frame 15 is provided with passage 15.1, and this passage 15.1 overlaps with air exhaust passage 8.2 on the casing 8, so rear connecting frame 15 can not blocked air exhaust passage 8.2.Be installed with fan blade 14 on the output shaft of described drive motors 7, this fan blade 14 is positioned at vacuum chamber, in fan blade 14, be embedded with eccentric block, the output shaft of drive motors 7 is interspersed in the eccentric orfice 11.2 of eccentric block 11, on the described base plate 10 bearing 13 is installed, the central shaft 11.1 of eccentric block 11 lower ends is fixed in the endoporus of bearing 13.Therefore when drive motors 7 work, eccentric block 11 is when the output shaft eccentric rotary of drive motors 7, and base plate 10 is eccentric rotary simultaneously and rapidly also, carries out sand milling and operates.The fan blade 14 that is fixed on simultaneously on drive motors 7 output shafts also rotates together, can make and produce negative pressure in the vacuum chamber 8.1, the dirt bits that produced during sand milling, can enter vacuum chamber 8.1 by the air suction opening 18 on base plate 10 and the sand paper 12, and by exhaust passage 8.2 final arrival in the bits collecting box 16, realize the automatic absorption of dirt bits, improved sand milling efficient.
As shown in Figure 4, the top of described bits collecting box 16 is provided with two parallel filler rods 16.1, and casing 8 is provided with the caulking groove relative with filler rod 16.1, by the cooperation of filler rod 16.1 and caulking groove, can realize Fast Installation, the dismounting of bits collecting box 16.The top of described bits collecting box 16 offers a plurality of ventholes 16.2, is provided with a plurality of air discharge ducts 16.3 in the rear end at bits collecting box 16 tops, so that the air in the bits collecting box 16 can be discharged, enters bits collecting box 16 thereby there is more dirt to consider to be worth doing.Be provided with filter paper 17 in the bits collecting box 16, this filter paper is positioned at the below of venthole 16.2, is used to stop the dirt bits, avoids the dirt bits to discharge from the venthole 16.2 on the bits collecting box 16 with air.After hours, after extracting bits collecting box 16 dirt of the inside bits being cleaned out, can reuse.
Claims (6)
1. one kind exchanges the triangle disk sander that changes direct current, the base plate (10) that it comprises casing (8) and is arranged at casing (8) bottom, lower surface at base plate (10) is coated with sand paper (12), pass through the preceding link (9) of rubber-like between casing and the base plate, rear connecting frame (15) links to each other, drive motors (7) is installed in the described casing (8), be provided with power line (1) in the rear end of casing (8), this power line (1) links to each other with drive motors (7) by the switch (5) on the casing (8), it is characterized in that offering a plurality of air suction openings (18) on described base plate (10) and the sand paper (12), be provided with vacuum chamber (8.1) in the described casing (8), rear side at vacuum chamber (8.1) is provided with air exhaust passage (8.2), air outlet spiral-lock at air exhaust passage (8.2) has bits collecting box (16), be installed with fan blade (14) on the output shaft of described drive motors (7), this fan blade (14) is positioned at vacuum chamber (8.1), in fan blade (14), be embedded with eccentric block (11), the output shaft of drive motors (7) is interspersed in the eccentric orfice (11.2) of eccentric block (11), bearing (13) is installed on the described base plate (10), and the central shaft (11.1) of eccentric block (11) lower end is fixed in the endoporus of bearing (13).
2. the triangle disk sander of direct current is changeed in interchange according to claim 1, it is characterized in that between described power line (1) and the switch (5) rectifying circuit plate (4) being installed.
3. the triangle disk sander of direct current is changeed in interchange according to claim 1, it is characterized in that described rear connecting frame (15) is provided with passage (15.1), and this passage (15.1) overlaps with air exhaust passage (8.2) on the casing (8).
4. change the triangle disk sander of direct currents according to claim 1 or 2 or 3 described interchanges, the top that it is characterized in that described bits collecting box (16) is provided with two parallel filler rods (16.1), and casing (8) is provided with and the relative caulking groove of filler rod (16.1).
5. the triangle disk sander of direct current is changeed in interchange according to claim 4, the top that it is characterized in that described bits collecting box (16) offers a plurality of ventholes (16.2), is provided with the filter paper (17) that is positioned at venthole (16.2) below in the bits collecting box (16).
6. the triangle disk sander of direct current is changeed in interchange according to claim 5, it is characterized in that the rear end at described bits collecting box (16) top is provided with a plurality of air discharge ducts (16.3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200231135U CN202006412U (en) | 2011-01-25 | 2011-01-25 | AC-DC triangular sand polishing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200231135U CN202006412U (en) | 2011-01-25 | 2011-01-25 | AC-DC triangular sand polishing machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202006412U true CN202006412U (en) | 2011-10-12 |
Family
ID=44748075
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011200231135U Expired - Fee Related CN202006412U (en) | 2011-01-25 | 2011-01-25 | AC-DC triangular sand polishing machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202006412U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2014005302A1 (en) * | 2012-07-04 | 2014-01-09 | Black & Decker Inc. | Power tool |
| CN105881179A (en) * | 2016-04-14 | 2016-08-24 | 南通德瑞森复合材料有限公司 | Glass fiber reinforced plastic component surface grinding device |
-
2011
- 2011-01-25 CN CN2011200231135U patent/CN202006412U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2014005302A1 (en) * | 2012-07-04 | 2014-01-09 | Black & Decker Inc. | Power tool |
| CN104640672A (en) * | 2012-07-04 | 2015-05-20 | 百得有限公司 | Power tool |
| EP2869965A4 (en) * | 2012-07-04 | 2016-03-23 | Black & Decker Inc | Power tool |
| US9403266B2 (en) | 2012-07-04 | 2016-08-02 | Black & Decker Inc. | Power tool |
| CN105881179A (en) * | 2016-04-14 | 2016-08-24 | 南通德瑞森复合材料有限公司 | Glass fiber reinforced plastic component surface grinding device |
| CN105881179B (en) * | 2016-04-14 | 2017-09-22 | 南通德瑞森复合材料有限公司 | A kind of fiberglass component surface sander |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20111012 Termination date: 20160125 |
|
| EXPY | Termination of patent right or utility model |