CN204584919U - A kind of eccentric sander - Google Patents
A kind of eccentric sander Download PDFInfo
- Publication number
- CN204584919U CN204584919U CN201520178993.1U CN201520178993U CN204584919U CN 204584919 U CN204584919 U CN 204584919U CN 201520178993 U CN201520178993 U CN 201520178993U CN 204584919 U CN204584919 U CN 204584919U
- Authority
- CN
- China
- Prior art keywords
- casing
- dust flue
- eccentric
- shaft
- collecting hood
- 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.)
- Expired - Fee Related
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Abstract
The utility model provides a kind of eccentric sander, comprise casing (1), servomotor (2), main rotating shaft (3), hollow shaft (4), hollow cavity (13), polishing pad (5), dust flue (6), eccentric shaft (11) and collecting hood (9), described casing (1) is designed with handle (7), dust flue (6) is connected with hollow shaft (4), mounted valve (10) in the middle of dust flue (6), dust flue (6) is equipped with radiator (8).The utility model design ensures that body has rational closure; prevent external dust from entering initiating failure; reach dustless effect; part is held to its dress simultaneously and carry out improvement optimization; adopt eccentric design, guarantee that structure is simple, easy to use; be easy to cleaning, dismounting and change, being conducive to machine maintenance maintenance and environmental protection.
Description
Technical field
The utility model relates to a kind of sander, particularly relates to a kind of eccentric sander.
Background technology
Sander is widely used in fine finishining and the surface finish process of die industry, from polishing pad, tell in the object be polished and sputter particle, unexpected injury may be caused to user, a large amount of dust can be produced when polishing simultaneously, these dust spread in surrounding, the health of dust to the operating personnel of polishing is very unfavorable, some sander can be provided with dust exhaust apparatus on the market at present, but dust exhaust apparatus and sander separate, complex structure, the dust collection efficiency of dust exhaust apparatus is lower, sander operation more complicated, maintenance is complicated, often do not reach gratifying effect.
Summary of the invention
For the problems referred to above; the utility model provides a kind of dustless eccentric sander; technical problem to be solved is the defect overcoming prior art; its structure is simple; easy to use; this sander by with dust shield with the use of; in fine finishining and the surface finish process of die industry; timely and effectively the dust produced can be passed through the rapid inspiration collecting hood of dust flue; really realize dustless effect; the health of protection operator, and there is the features such as compact, suction is powerful, easy to use.
The purpose of this utility model is achieved through the following technical solutions: a kind of eccentric sander, comprise casing, servomotor, main rotating shaft, hollow shaft, hollow cavity, polishing pad, dust flue, eccentric shaft and collecting hood, described casing upper position installs detachable collecting hood, dedusting paper bag is installed in described collecting hood, fixedly mount the servomotor of strap brake function in the middle part of described casing, the rotor of servomotor is connected with main rotating shaft;
Described main rotating shaft is nested in hollow shaft center, main rotating shaft lower end and hollow cavity are connected and fixed, described hollow cavity upper end is connected with hollow shaft by rolling bearing, lower edge and eccentric shaft are connected and fixed, described hollow shaft is fixed in casing, perforate on the right side of described hollow shaft, the hole horizontal that dust flue and hollow shaft are opened is socketed;
Described dust flue chamfering is circular arc, chamfering place pallet is fixed in casing, described dust flue is fixed on the right side of casing, and dust flue leads directly to above casing, be connected with collecting hood, be nested in dedusting paper bag inner, separated in described dust flue, at gap mounted valve, valve is screwed in casing, respectively installs a radiator up and down on the right side of described dust flue at breaking part, and described radiator is screwed in casing, described polishing pad is fixed on eccentric shaft lower end, and described casing is provided with handle.
Concrete, described polishing pad is provided with air suction opening.
Preferably, described servomotor is the servomotor of strap brake function.
Further, described collecting hood installs dedusting paper bag, is connected to dust flue air outlet direction.
Concrete, the air suction opening of described polishing pad is connected with eccentric shaft.
Preferably, described radiator is Cu and Al combination radiator, is connected with dust flue by heat-conducting silicone grease.
Further, valve is unidirectional automatic switch valve.
Concrete, hollow shaft is connected by rolling bearing with hollow cavity.
Preferably, handle is cortex handle.
The utility model is connected with polishing pad by the collecting hood of dust flue by sander; in the fine finishining and surface finish process of carrying out mould, the air suction opening of the dust generated in the middle of polishing pad is passed through hollow cavity; hollow shaft and dust flue absorb rapidly in collecting hood; polishing dust suction operation is accomplished without any letup; operator is invaded and harassed from dust; the health of protection operator, also serves effect of protection of the environment simultaneously.
Accompanying drawing explanation
Fig. 1 is the utility model structural representation;
The title of parts shown in figure and mark: 1, casing, 2, servomotor, 3, main rotating shaft, 4, hollow shaft, 5, polishing pad, 6, dust flue, 7, handle, 8, radiator, 9, collecting hood, 10, valve, 11, eccentric shaft, 12, dedusting paper bag, 13, hollow cavity, 14, rolling bearing.
Detailed description of the invention
Below in conjunction with embodiment, the utility model is described in further detail, but structure of the present utility model is not limited only to following examples.
As shown in Figure 1, the utility model discloses a kind of dustless sander, comprise casing 1, at casing 1 upper position, detachable collecting hood 9 is installed, dedusting paper bag 12 is installed in collecting hood 9, servomotor 2 is fixedly mounted in the middle part of casing 1, the rotor of servomotor 2 is connected with main rotating shaft 3, be fixed with hollow shaft 4 in casing 1 simultaneously, it is inner that main rotating shaft 3 is nested in hollow shaft 4, be connected with hollow cavity 13 by rolling bearing 14 below hollow shaft 4, hollow cavity 13 edge is connected with eccentric shaft 11, eccentric shaft 11 lower end is connected with polishing pad 5, perforate on the right side of hollow shaft 4, the hole horizontal that dust flue 6 and hollow shaft 4 are opened is socketed, dust flue 6 chamfering is circular arc, chamfering place pallet is fixed in casing 1, dust flue 6 vertical direction is fixed on the right side of casing 1, and dust flue 6 leads directly to above casing 1, be connected with collecting hood 9, simultaneously separated in dust flue 6, at gap mounted valve 10, valve 10 is screwed in casing, in disconnection mounted valve 10 part, one radiator 8 is respectively installed up and down on the right side of dust flue 6, radiator 8 is screwed in casing 1.Casing 1 is designed with handle 7.
Comprise casing 1, have servomotor 2 at casing internal fixtion, polishing pad 5 and dust arrester, wherein dust arrester comprises servomotor 2, collecting hood 9, main rotating shaft 3, hollow shaft 4, hollow cavity 13, dust flue 6 and casing 1, also comprise independently dedusting passage dust flue 6 and collecting hood 9, polishing pad 5 have dedusting hole, be connected with hollow shaft 4, hollow shaft 4 is connected with dust flue 6, and dust flue 6 is connected with collecting hood 9 again, thus forms complete polishing dedusting passage.
Embodiment 1:
With reference to Fig. 1, the utility model when in use, polishing pad 5 is utilized to polish according to actual needs, sander is placed in the object surface needing polishing, start servomotor 2, the rotor of servomotor 2 drives hollow cavity 13 to rotate by the main rotating shaft 3 be connected, and then hollow cavity 13 drives eccentric shaft 11 to rotate, polishing pad just carries out eccentric motion, thus the polishing carried out object surface, speed governing can be carried out to servomotor 2 simultaneously, the speed of polishing is controlled with this, thus carry out fine finishining and the surface finish process of mould, servomotor 2 is also with brake function, when operation runs into emergency, can stop in time and stop servomotor 2, polishing pad 5 is stopped operating rapidly, close the operation of sander, operating personnel are protected with this, operating personnel are avoided to come to harm.Casing 1 is gone back mounting handle 7, handle 7 is cortex, meet ergonomics, be conducive to operating personnel and firmly hold instrument, realize pushing hard or pressing, and the motion of accurately control tool, handle 7 outside also arranges soft cover 11, therefore, the sense of touch of handle and the comfort of holding excellent, be conducive to operating personnel rotate the utility model time grip comfortable.
Embodiment 2:
The present embodiment is further improved on the basis of embodiment 1, with reference to Fig. 1, as further improvement of the utility model, automatic valve 10 is set in dust flue 6, when sander works, valve 10 is opened, because servomotor 2 rotates the centripetal force of polishing pad 5 generation, the dust that polishing is produced enters hollow shaft 4 by polishing hole, and then the dedusting paper bag 12 entered by dust flue 6 in collecting hood 9, when sander quits work, valve 10 is closed automatically, enters again in dust flue 6 for preventing dust.
Improve as another kind of the present utility model, dust flue 6 settles radiator 8 by heat-conducting silicone grease.When sander works, the gas of high temperature can be produced, the gas of high temperature can enter in dust flue 6 due to the convection action of air, dust flue 6 settles radiator 8 by heat-conducting silicone grease, accelerate dust flue 6 to dispel the heat, prevent dust flue 6 temperature too high with this, produce aging distortion, reduce service life of equipment.
Improve as another kind of the present utility model, dedusting paper bag 12 is placed in collecting hood 9, collecting hood 9 is detachable design, when the dedusting paper bag 12 in collecting hood 9 fills dust, during clean sander, take off collecting hood 9, direct replacing dedusting paper bag 12, easy to operate like this, be convenient to maintaining, cleaning equipment.
Improve as another kind of the present utility model, hollow cavity 13 1 lateral edges is connected with eccentric shaft 11, and a through hole is opened at opposite side edge, so just to greatest extent dust absorbing is entered hollow cavity 13, by dust flue 6, is discharged to the dedusting paper bag 12 in collecting hood 9.
As mentioned above; the eccentric design of this utility model application; be connected with polishing pad with the collecting hood of dust flue by sander by hollow cavity; in the fine finishining and surface finish process of carrying out mould, the air suction opening of the dust generated in the middle of polishing pad is absorbed rapidly collecting hood by hollow shaft and dust flue; polishing dust suction operation is accomplished without any letup; operator is invaded and harassed from dust, and the health of protection operator, also serves effect of protection of the environment simultaneously.
Claims (9)
1. an eccentric sander, comprise casing (1), servomotor (2), main rotating shaft (3), hollow shaft (4), hollow cavity (13), polishing pad (5), dust flue (6), eccentric shaft (11) and collecting hood (9), it is characterized in that, described casing (1) upper position installs detachable collecting hood (9), dedusting paper bag (12) is installed in described collecting hood (9), the servomotor (2) of described casing (1) middle part fixed installation strap brake function, the rotor of servomotor (2) is connected with main rotating shaft (3);
Described main rotating shaft (3) is nested in hollow shaft (4) center, main rotating shaft (3) lower end and hollow cavity (13) are connected and fixed, described hollow cavity (13) upper end is connected with hollow shaft (4) by rolling bearing (14), lower edge and eccentric shaft (11) are connected and fixed, described hollow shaft (4) is fixed in casing (1), described hollow shaft (4) right side perforate, the hole horizontal that dust flue (6) and hollow shaft (4) are opened is socketed;
Described dust flue (6) chamfering is circular arc, chamfering place pallet is fixed in casing (1), described dust flue (6) is fixed on casing (1) right side, and dust flue (6) leads directly in casing (1) top, be connected with collecting hood (9), be nested in dedusting paper bag (12) inner, separated in described dust flue (6), in gap mounted valve (10), valve (10) is screwed in casing, a radiator (8) is respectively installed up and down at breaking part in described dust flue (6) right side, described radiator (8) is screwed in casing (1), described polishing pad (5) is fixed on eccentric shaft (11) lower end, described casing (1) is provided with handle (7).
2. eccentric sander according to claim 1, is characterized in that, (5) are provided with air suction opening to described polishing pad.
3. eccentric sander according to claim 1, is characterized in that, the servomotor that described servomotor (2) is strap brake function.
4. eccentric sander according to claim 1, is characterized in that, described collecting hood (9) installs dedusting paper bag (12), is connected to dust flue (6) air outlet direction.
5. eccentric sander according to claim 1, is characterized in that, the air suction opening of polishing pad (5) is connected with eccentric shaft (11).
6. eccentric sander according to claim 1, is characterized in that, radiator (8) is Cu and Al combination radiator, is connected with dust flue (6) by heat-conducting silicone grease.
7. eccentric sander according to claim 1, is characterized in that, valve (10) is unidirectional automatic switch valve.
8. eccentric sander according to claim 1, is characterized in that, hollow shaft (4) is connected by rolling bearing (14) with hollow cavity (13).
9. eccentric sander according to claim 1, is characterized in that, handle (7) is cortex handle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520178993.1U CN204584919U (en) | 2015-03-29 | 2015-03-29 | A kind of eccentric sander |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520178993.1U CN204584919U (en) | 2015-03-29 | 2015-03-29 | A kind of eccentric sander |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204584919U true CN204584919U (en) | 2015-08-26 |
Family
ID=53921116
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520178993.1U Expired - Fee Related CN204584919U (en) | 2015-03-29 | 2015-03-29 | A kind of eccentric sander |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204584919U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110666466A (en) * | 2019-11-18 | 2020-01-10 | 杭州锴铭机械制造有限公司 | High-precision machining process of crankcase |
-
2015
- 2015-03-29 CN CN201520178993.1U patent/CN204584919U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110666466A (en) * | 2019-11-18 | 2020-01-10 | 杭州锴铭机械制造有限公司 | High-precision machining process of crankcase |
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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: 20150826 Termination date: 20170329 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |