CN110405597A - Hand-held belt sander - Google Patents
Hand-held belt sander Download PDFInfo
- Publication number
- CN110405597A CN110405597A CN201910693976.4A CN201910693976A CN110405597A CN 110405597 A CN110405597 A CN 110405597A CN 201910693976 A CN201910693976 A CN 201910693976A CN 110405597 A CN110405597 A CN 110405597A
- Authority
- CN
- China
- Prior art keywords
- casing
- dedusting
- belt
- driving
- fan blade
- 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.)
- Pending
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B23/00—Portable grinding machines, e.g. hand-guided; Accessories therefor
- B24B23/06—Portable grinding machines, e.g. hand-guided; Accessories therefor with abrasive belts, e.g. with endless travelling belts; Accessories therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B55/00—Safety devices for grinding or polishing machines; Accessories fitted to grinding or polishing machines for keeping tools or parts of the machine in good working condition
- B24B55/06—Dust extraction equipment on grinding or polishing machines
- B24B55/10—Dust extraction equipment on grinding or polishing machines specially designed for portable grinding machines, e.g. hand-guided
- B24B55/107—Dust extraction equipment on grinding or polishing machines specially designed for portable grinding machines, e.g. hand-guided with belt-like tools
Abstract
The invention discloses a kind of hand-held belt sanders, including casing, driving mechanism, driving wheel, driven wheel tensioner to adjust component, driven wheel, abrasive band, dedusting mechanism and lithium battery pack.Its main points is: dedusting mechanism includes dedusting fan blade.Dedusting fan blade is rotatably arranged on the right part of casing.It is equipped with corresponding dust-exhausting port positioned at the air-out direction of dedusting fan blade on casing, corresponding dust bag is housed on dust-exhausting port.The entering-dust mouth being connected with space right part where abrasive band is equipped on casing positioned at the rear side corresponding portion of dedusting fan blade.
Description
Technical field
The present invention relates to power tools technology field, the hand-held belt sander of specifically a kind of polishing.
Background technique
Belt sander is a kind of common milling tool, is ground primarily directed to the surface of workpiece (such as timber), is used
In the burr for removing workpiece surface.Belt sander can generate a large amount of dust pollution object during the work time, and dust pollution can endanger
The health of user, therefore belt sander is designed with Dao Chen mechanism substantially, is collected dust by Dao Chen mechanism.It is existing
Hand-held belt sander generally include casing, the driving wheel of the driving motor that is arranged in casing, the driving motor driving, from
Driving wheel tensioner adjusts component, the driven wheel being rotatably arranged on driven wheel tensioner adjusting component, sets around driving wheel and driven wheel
Abrasive band, Dao Chen mechanism and the lithium battery pack powered to driving motor set.Existing Dao Chen mechanism leads dirt fan blade and motor
The structure of tow sides that is integrated of cooling wind blade, the cooling wind blade one of motor is used for motor radiating facing towards motor, another
Dust sucking is drained into dust bag using centrifugal impeller structure by the dirt fan blade of leading in face.Driving motor is driven driving master by belt
Wheel rotation.The dirt fan blade of leading of the structure is directly driven by driving motor, higher because needing in order to guarantee good dust removing effects
Motor speed, usually per minute 20000 turn left the right side, high revolving speed causes energy consumption higher, therefore greatly reduces single continuation of the journey
Working time.
Summary of the invention
The object of the present invention is to provide a kind of structure is simple, better dust removal effect and the belt sander for advantageously reducing energy consumption.
Realizing the basic technical scheme of the object of the invention is: a kind of hand-held belt sander, including casing, driving mechanism, master
Driving wheel, driven wheel tensioner adjust component, driven wheel, abrasive band, dedusting mechanism and lithium battery pack.Casing is equipped with grip part, holds
Portion is equipped with Operation switch.Lithium battery pack is detachably fixed on the right part that casing is arranged in.Driving wheel is arranged along front and back to rotation
In the right part lower part of casing.Driven wheel adjusts component by driven wheel tensioner and is rotatably arranged on the lower part left part of casing, leads to
It crosses driven wheel tensioner adjusting component and is adjustable the axis of driven wheel to the distance between the axis of driving wheel.Abrasive band surrounds driving wheel
It is arranged with driven wheel.By driving mechanism driving driving wheel rotation.
It is structurally characterized in that: dedusting mechanism includes dedusting fan blade.Dedusting fan blade is rotatably arranged on the right part of casing.Casing
The upper air-out direction positioned at dedusting fan blade is equipped with corresponding dust-exhausting port, and corresponding dust bag is housed on dust-exhausting port.Casing is upper
The entering-dust mouth being connected with space right part where abrasive band is equipped in the rear side corresponding portion of dedusting fan blade.
Technical solution based on above-mentioned basic technical scheme is: the output revolving speed of driving mechanism is less than dedusting fan blade
Revolving speed.
Technical solution based on above-mentioned each corresponding art scheme is: driving mechanism include driving motor, the first belt pulley,
Tooth shaft, the second belt pulley and the first belt.Driving motor is fixed in the left part of casing, and motor shaft is electric towards front
Arbor is equipped with cooling wind blade, is radially provided with corresponding air inlet along cooling wind blade on casing, the rear portion of driving motor it is corresponding
Partial casing is equipped with air outlet.First pulley drive is arranged on the front end of the motor shaft of driving motor, is located at heat dissipation
The front side of fan blade.Tooth shaft is along front and back into the right part lower part for being rotatably arranged on casing.Tooth shaft is arranged in second pulley drive
On front.First belt is arranged around the first belt pulley and the second belt pulley.Driving gear is coaxially provided on driving wheel.Sliding tooth
Wheel is meshed with tooth shaft.
Technical solution based on above-mentioned each corresponding art scheme is: dedusting mechanism further includes dedusting blade shaft, third skin
Belt wheel, the 4th belt pulley and the second belt.Dedusting fan blade uses centrifugal impeller structure.Dedusting blade shaft is set along front and back to rotation
It sets in the middle part of the right part of casing.The transmission of dedusting fan blade is arranged on dedusting blade shaft.Third pulley drive is arranged in tooth shaft
On, positioned at the rear side of the second belt pulley.4th pulley drive is arranged on dedusting blade shaft.Second belt surrounds third belt
Wheel and the setting of the 4th belt pulley.
The present invention has the following beneficial effects: (1) it is of the invention hand-held belt sander structure it is simple, by driving motor
The dedusting fan blade of cooling wind blade and dedusting mechanism is provided separately, and is on the one hand advantageously reduced travel fatigue and is entered driving motor, to driving
Motor pollutes damage；On the other hand dedusting fan blade is driven by belt transmissioning mode, speedup is carried out to dedusting fan blade, favorably
In the revolving speed for reducing driving motor, when the revolving speed of driving motor is 10000 turns per minute, the revolving speed of dedusting fan blade is still up to every
20000 turns of minute guarantees better dust removal effect, greatly reduces the energy consumption of driving motor, be conducive to extend the activity duration.
(2) the dedusting fan blade of existing hand-held belt sander is located at left, and the dust generated has focused largely on right, removes
Dirt effect is poor.And entering-dust mouth of the invention is arranged in the right that dust is more concentrated, the dust of generation can efficient quick quilt
It is expelled in dust bag after the sucking of dedusting fan blade, dust removing effects are significant.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of hand-held belt sander of the invention.
Fig. 2 is the schematic rear view of Fig. 1.
Schematic diagram when Fig. 3 is from the right back upper place of Fig. 1.
The structural schematic diagram of the dedusting mechanism of belt sander when Fig. 4 is from the right back upper place of Fig. 1.
The structural schematic diagram of the dedusting mechanism of belt sander when Fig. 5 is from the left back lower section of Fig. 1.
The structural schematic diagram of the dedusting mechanism of belt sander when Fig. 6 is from the front upper right of Fig. 1.
The drive mechanism schematic diagram of the dedusting mechanism of belt sander when Fig. 7 is from the left anterior-superior part of Fig. 1.
The drive mechanism schematic diagram of the dedusting mechanism of belt sander when Fig. 8 is from the right front lower side of Fig. 1.
Fig. 9 is the structural schematic diagram for leading dirt fan blade.
Label in attached drawing are as follows:
Casing 1, grip part 1-1, air inlet 1-2, air outlet 1-3, dust-exhausting port 1-4, entering-dust mouth 1-5,
Driving mechanism 2, driving motor 2-1, cooling wind blade 2-11, the first belt pulley 2-2, tooth shaft 2-3, the second belt pulley 2-4, the
One belt 2-5,
Driving wheel 3 drives gear 31,
Driven wheel tensioner adjusts component 4,
Driven wheel 5,
Abrasive band 6,
Dedusting mechanism 7, dedusting fan blade 7-1, dedusting blade shaft 7-2, third belt pulley 7-3, the 4th belt pulley 7-4, the second belt
7-5,
Lithium battery pack 8.
Specific embodiment
In order that the present invention can be more clearly and readily understood, right below according to specific embodiment and in conjunction with attached drawing
The present invention is described in further detail.The description in orientation of the invention is according to shown in orientation shown in FIG. 1 progress namely Fig. 1
Direction up and down be the direction up and down described, a side of court, Fig. 1 institute is front, and the side away from Fig. 1 is rear.
It should also be noted that similar label and letter indicate similar terms in following attached drawing, therefore, once a certain Xiang Yi
It is defined in a attached drawing, does not then need that it is further defined and explained in subsequent attached drawing.Meanwhile of the invention
In description, term " first ", " second " etc. are only used for distinguishing description, are not understood to indicate or imply relative importance.
It is to be appreciated that the indicating positions such as term " on ", "lower", "inner", "outside" or positional relationship are based on attached drawing institute
The positional relationship stated is merely for convenience of the description present invention or simplifies description, rather than the specific orientation that instruction must have.
(embodiment 1)
See that Fig. 1 to Fig. 9, hand-held belt sander of the invention include casing 1, driving mechanism 2, driving wheel 3, the adjusting of driven wheel tensioner
Component 4, driven wheel 5, abrasive band 6, dedusting mechanism 7 and lithium battery pack 8.
See Fig. 1 to Fig. 3,1 top of casing is equipped with grip part 1-1, and grip part 1-1 is equipped with Operation switch.Lithium battery pack 8 can
Disassembly is fixed on the right part rear portion of casing 1, for powering to belt sander, improves the portability of belt sander.
Driving mechanism 2 includes driving motor 2-1, the first belt pulley 2-2, tooth shaft 2-3, the second belt pulley 2-4 and the first skin
Band 2-5.Driving motor 2-1 is fixed in the left part of casing 1, and motor shaft is equipped with radiation air towards front, motor shaft
Leaf 2-11 is radially provided with corresponding air inlet 1-2, the corresponding portion at the rear portion of driving motor 2-1 along cooling wind blade 2-11 on casing 1
The casing 1 divided is equipped with air outlet 1-3, and air is entered in casing 1 by air inlet 1-2, then by cooling wind blade 2-11 along motor shaft
Rear driving motor 2-1 is axially blowed to, air takes the heat that driving motor 2-1 work generates from air outlet 1-3 out of.
On the front end for the motor shaft that driving motor 2-1 is arranged in first belt pulley 2-2 transmission, positioned at cooling wind blade 2-11's
Front side.Tooth shaft 2-3 along front and back into the right part lower part for being rotatably arranged on casing 1, the motor shaft of axis and driving motor 2-1
Axis is arranged in parallel.Second belt pulley 2-4 transmission is arranged on the front of tooth shaft 2-3.First belt 2-5 surrounds first
Belt pulley 2-2 and the second belt pulley 2-4 setting.
See Fig. 1 to Fig. 8, driving wheel 3 along front and back into the right part lower part for being rotatably arranged on casing 1, the rotation axis of driving wheel 3
The axis of line and the motor shaft of driving motor 2-1 is arranged in parallel.Driving gear 31 is coaxially provided on driving wheel 3.Sliding tooth
Wheel 31 is meshed with tooth shaft 2-3, to pass through the first belt pulley 2-2, the first belt 2-5 and the second belt by driving motor 2-1
It takes turns 2-4 and drives tooth shaft 2-3 rotation, then drive driving gear 31 to rotate by tooth shaft 2-3, so that driving wheel 3 be driven to rotate.
See that Fig. 1 to Fig. 3, driven wheel 5 adjust component 4 by driven wheel tensioner and be rotatably arranged on the lower part left part of casing 1,
The axis of its axis and driving wheel 3 is arranged in parallel, adjusts the axis that component 4 is adjustable driven wheel 5 by driven wheel tensioner
To the distance between the axis of driving wheel 3.Abrasive band 6 is arranged around driving wheel 3 and driven wheel 5.By the axis for increasing driven wheel 5
The distance between axis to driving wheel 3 makes abrasive band 6 keep tensioner working condition.By reducing the axis of driven wheel 5 to actively
The distance between the axis of wheel 3 makes abrasive band 6 keep relaxed state, replaces at this time convenient for removing abrasive band 6.
See that Fig. 5 to Fig. 9, dedusting mechanism 7 include dedusting fan blade 7-1, dedusting blade shaft 7-2, third belt pulley 7-3, the 4th
Belt pulley 7-4 and the second belt 7-5.
Dedusting fan blade 7-1 uses centrifugal impeller structure.Dedusting blade shaft 7-2 is along front and back to being rotatably arranged on casing 1
On right part front, the axis of pivot center and the motor shaft of driving motor 2-1 is arranged in parallel.Dedusting fan blade 7-1 transmission
It is arranged on dedusting blade shaft 7-2.Third belt pulley 7-3 transmission is arranged on tooth shaft 2-3, after the second belt pulley 2-4
Side.4th belt pulley 7-4 transmission is arranged on dedusting blade shaft 7-2.Second belt 7-5 surrounds third belt pulley 7-3 and the 4th
Belt pulley 7-4 setting.To pass through the first belt pulley 2-2, the first belt 2-5 and the second belt pulley 2-4 band by driving motor 2-1
Movable tooth axis 2-3 rotation, then third belt pulley 7-3 rotation is driven by tooth shaft 2-3, so that dedusting fan blade 7-1 be driven to rotate.Casing 1
The upper air-out direction positioned at dedusting fan blade 7-1 is equipped with corresponding dust-exhausting port 1-4, and corresponding dust bag is housed on dust-exhausting port 1-4
(drawing is not drawn into).It is equipped on casing 1 positioned at the rear side corresponding portion of dedusting fan blade 7-1 and is connected with 6 place space right part of abrasive band
Logical entering-dust mouth 1-5.
Particular embodiments described above has carried out further in detail the purpose of the present invention, technical scheme and beneficial effects
It describes in detail bright, it should be understood that the above is only a specific embodiment of the present invention, is not intended to restrict the invention, it is all
Within the spirit and principles in the present invention, any modification, equivalent substitution, improvement and etc. done should be included in guarantor of the invention
Within the scope of shield.
Claims (4)
1. a kind of hand-held belt sander, including casing, driving mechanism, driving wheel, driven wheel tensioner adjust component, driven wheel, sand
Band, dedusting mechanism and lithium battery pack；Casing is equipped with grip part, and grip part is equipped with Operation switch；Lithium battery pack is detachably solid
It is arranged on the right part of casing calmly；Driving wheel is along front and back into the right part lower part for being rotatably arranged on casing；Driven wheel passes through driven
Wheel tensioner adjusts component and is rotatably arranged on the lower part left part of casing, adjusts component by driven wheel tensioner and is adjustable driven wheel
Axis the distance between of the axis to driving wheel；Abrasive band is arranged around driving wheel and driven wheel；Driving wheel is driven by driving mechanism
Rotation；
It is characterized by: dedusting mechanism includes dedusting fan blade；Dedusting fan blade is rotatably arranged on the right part of casing；It is located on casing
The air-out direction of dedusting fan blade is equipped with corresponding dust-exhausting port, and corresponding dust bag is housed on dust-exhausting port；It is located at dedusting on casing
The rear side corresponding portion of fan blade is equipped with the entering-dust mouth being connected with space right part where abrasive band.
2. hand-held belt sander according to claim 1, it is characterised in that: the output revolving speed of driving mechanism is less than dedusting wind
The revolving speed of leaf.
3. hand-held belt sander according to claim 1 or 2, it is characterised in that: driving mechanism includes driving motor, first
Belt pulley, tooth shaft, the second belt pulley and the first belt；Driving motor is fixed in the left part of casing, motor shaft direction
Front, motor shaft are equipped with cooling wind blade, are radially provided with corresponding air inlet, the rear portion of driving motor along cooling wind blade on casing
Corresponding portion casing be equipped with air outlet；First pulley drive is arranged on the front end of the motor shaft of driving motor, position
In the front side of cooling wind blade；Tooth shaft is along front and back into the right part lower part for being rotatably arranged on casing；The setting of second pulley drive exists
On the front of tooth shaft；First belt is arranged around the first belt pulley and the second belt pulley；Driving gear is coaxially provided on driving wheel；
Driving gear is meshed with tooth shaft.
4. hand-held belt sander according to claim 3, it is characterised in that: dedusting mechanism further includes dedusting blade shaft,
Three belt pulleys, the 4th belt pulley and the second belt；Dedusting fan blade uses centrifugal impeller structure；Dedusting blade shaft along front and back to turn
It moves on being arranged in the middle part of the right part of casing；The transmission of dedusting fan blade is arranged on dedusting blade shaft；The setting of third pulley drive exists
In tooth shaft, positioned at the rear side of the second belt pulley；4th pulley drive is arranged on dedusting blade shaft；Second belt surrounds third
Belt pulley and the setting of the 4th belt pulley.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910693976.4A CN110405597A (en) | 2019-07-30 | 2019-07-30 | Hand-held belt sander |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910693976.4A CN110405597A (en) | 2019-07-30 | 2019-07-30 | Hand-held belt sander |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110405597A true CN110405597A (en) | 2019-11-05 |
Family
ID=68364114
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910693976.4A Pending CN110405597A (en) | 2019-07-30 | 2019-07-30 | Hand-held belt sander |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110405597A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112355830A (en) * | 2020-09-23 | 2021-02-12 | 燕山大学 | Pneumatic paint scraper |
-
2019
- 2019-07-30 CN CN201910693976.4A patent/CN110405597A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112355830A (en) * | 2020-09-23 | 2021-02-12 | 燕山大学 | Pneumatic paint scraper |
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