CN205630311U - Abrasive band feed mechanism - Google Patents
Abrasive band feed mechanism Download PDFInfo
- Publication number
- CN205630311U CN205630311U CN201620301677.3U CN201620301677U CN205630311U CN 205630311 U CN205630311 U CN 205630311U CN 201620301677 U CN201620301677 U CN 201620301677U CN 205630311 U CN205630311 U CN 205630311U
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- CN
- China
- Prior art keywords
- motor
- friction roller
- contactor
- take
- abrasive band
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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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- Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
Abstract
The utility model discloses an abrasive band feed mechanism, including belt rolling box and motor, still include first friction roller, second friction roller, action wheel, follow the driving wheel to and control motor crawl, continuous operation, the control circuit that stops, the both ends of first friction roller through the supporting of first bearing on belt rolling box, the one end of first friction roller is equipped with axial extension, this extension stretches out belt rolling box's outside, fix on the extension of first friction roller from the driving wheel, the second friction roller passes through the second bearing to be installed on belt rolling box, the motor is fixed on belt rolling box, the axial of motor output end and the axial direction parallel of first friction roller, the action wheel is fixed on the output of motor, and the action wheel is connected or is coordinated with the transmission of follow driving wheel, control circuit is connected with the motor electricity. The utility model has the advantages that can not make the abrasive band warp and destroy in data send process to and it is very convenient to the control of motor.
Description
Technical field
This utility model relates to a kind of abrasive band feed mechanism.
Background technology
Crankshaft journal polishing at present uses abrasive band polishing, and belt sander is designed with scarce on abrasive band feeding controls
Falling into, hand feed, operating difficulties are leaned in the feeding of belt sander, and the amount of feeding is unstable, wastes bigger.
The patent of invention of Publication No. CN103158065A discloses a kind of abrasive band automatic feed mechanism, and it includes
Feeding cylinder, feed rack, take-up case, and be positioned at the spool gear of take-up case box body, two short gears,
Feeding sector gear, fixing axle and feed shaft, described fixing axle is provided with unidirectional needle bearing II through two ends
Spool gear be fixed on take-up case front end；Described feed shaft sequentially passes through and is provided with the short of unidirectional needle bearing I
Gear, the feeding sector gear of unidirectional needle bearing III is installed and another is provided with unidirectional needle bearing I
Short gear be arranged on the middle part of take-up case, said two short gear is meshed with spool gear simultaneously, feed shaft
Two ends be installed in the monosymmetric installing hole of take-up case；Described feeding cylinder is fixed on the rear end of take-up case
Outside, described feed rack is loaded on feeding cylinder front end, and feed rack is positioned at take-up case top and fans with feeding
Shape gear is meshed, and the piston movement of feeding cylinder drives feed rack to move forward and backward.
Above-mentioned abrasive band automatic feed mechanism uses the engagement of two gears to realize the auto-feed in abrasive band, but,
When two gear engagements, abrasive band can be made to produce flexural deformation, this mechanism is for being internally provided with enhancing
For the abrasive band of structure sheaf, it is not easy to make abrasive band be returned to original shape, and the layer in existing abrasive band
And mostly use glue bonding between layer, after oppressing through the engagement of gear, be easily caused bonding part cracking,
Thus abrasive band is damaged.
Summary of the invention
For above-mentioned technical problem, this utility model provide a kind of will not make during transmitting abrasive band deformation and
The abrasive band feed mechanism destroyed.
Realize the technical solution of the utility model as follows:
Abrasive band feed mechanism, including take-up case and motor, also include the first friction roller, the second friction roller,
Drivewheel, driven pulley, and control motor crawl, the control circuit run continuously, stop, described first
The two ends of friction roller are bearing on take-up case by clutch shaft bearing, and one end of the first friction roller is provided with axial prolonging
Extending portion, this extension reaches the outside of take-up case, and described driven pulley is fixed on the extension at the first friction roller
In portion, the second friction roller is arranged on take-up case by the second bearing, and described motor is fixed on take-up case,
Motor output end axially and the first friction roller axially in parallel, described drivewheel is fixed on the outfan of motor
On, drivewheel is in transmission connection with driven pulley or coordinates, and described control circuit electrically connects with motor.
The extension of described first friction roller is provided with axle sleeve, one end of this axle sleeve and the axial end of driven pulley
Supporting, the other end of axle sleeve is supported with the box wall of take-up case.
Another axial end of described driven pulley is spacing by the nut being fixed on extension.
Described control circuit includes button, obtains electric time delay relay, auxiliary reclay and ac contactor
Device, one end of button is connected with positive source, and the other end of button passes through coil and the power supply of the time relay
Negative pole connects, the branch road that the coils connected in series of the normally closed interlock of the time relay and auxiliary reclay is formed, in parallel
In the two ends of the coil of the time relay, the time relay not time delay wink moving contact one end connect power supply just
The pole time relay not time delay wink moving contact one end connect power cathode by the coil of A.C. contactor,
The normally closed interlock of auxiliary reclay is connected with the first normally open contact of A.C. contactor the branch road being split into, and is parallel to
The time relay not time delay wink moving contact two ends, the second normally open contact of A.C. contactor is connected to three-phase
Between power supply and motor.
Also include a thermorelay, the normally closed interlock of this thermorelay be connected to the coil of A.C. contactor with
Between power cathode, the heater element of thermorelay is connected to the second normally open contact and the motor of A.C. contactor
Between.
Have employed such scheme, during utility model works, the power exported by motor drives drivewheel to turn
Dynamic, power is transferred to driven pulley by drivewheel, thus drives first friction roller to rotate, first friction roller
Impart power to the second friction roller by friction force, drive the second friction roller to rotate, thus realize sand
Band is sent into.Due to two friction rollers and abrasive band gross area contact, abrasive band, in being transmitted through kind, will not produce
Bending bending, thus it is ensured that abrasive band is intact.It addition, this utility model is by a button and time
The cooperation of relay, auxiliary reclay and A.C. contactor, can easily complete the crawl, continuously of motor
The operation run and stop, the most easy to operate, and also circuit structure is the simplest, has easy to control
And the advantage that use cost is low.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model；
Fig. 2 is the schematic diagram of control circuit in this utility model.
Detailed description of the invention
With specific embodiment, this utility model is further illustrated below in conjunction with the accompanying drawings.
See Fig. 1, abrasive band of the present utility model feed mechanism, including take-up case 1 and motor 2, also include
First friction roller the 3, second friction roller 4 and drivewheel 5 and driven pulley 6, the two of described first friction roller 3
End is bearing on take-up case 1 by clutch shaft bearing, and one end of the first friction roller 1 is provided with axial extension 3a,
This extension 3a reaches the outside of take-up case, and the two ends of the first friction roller are equipped with axle, wherein the axle of one end
Short, the axial length of the other end, a part for major axis is used for assembling with clutch shaft bearing, another part of major axis
Define extension 3a.Described driven pulley 6 is fixed on the extension 3a of the first friction roller 3, driven pulley
6 is circumferentially fixed with extension 3a by spline, in order to limit the axial displacement of driven pulley 6, and described first friction
The extension 3a of roller is provided with axle sleeve 7, and the axial end of one end of this axle sleeve 7 and driven pulley 6 is supported, axle
The other end of set is supported with the box wall 1 of take-up case, and another axial end of described driven pulley 6 prolongs by being fixed on
Nut in extending portion is spacing.Second friction roller 4 is arranged on take-up case by the second bearing, the first friction roller 3
With the roll body of the second friction roller 4 all in the inside of take-up case 1, the first friction roller 3 and the second friction roller 4 lead to
Cross friction force and carry out transmission.Described motor 2 is fixed on take-up case 1, motor 2 outfan axial
Axially in parallel with the first friction roller 3, described drivewheel 5 is fixed on the outfan of motor, drivewheel 5
It is in transmission connection with driven pulley 6 or coordinates.Drivewheel 5 and driven pulley 6 preferentially use friction roller, between the two
By friction force transmission, the volume and weight of drivewheel 5 is all much smaller than driven pulley 6, it is preferable that
The weight of drivewheel 5 is 1st/10th of driven pulley 6, thus after motor quits work, by friction
Active force so that the inertia of drivewheel cannot drive driven pulley, and driven pulley can also stop in time,
So be conducive to improving the precision of transmission sand paper.Drivewheel 5 and driven pulley 6 transmission can also use gear,
The type of belt drive such as sprocket wheel.
This utility model also includes the control circuit controlling motor crawl, running continuously, stop, this control electricity
Road includes button SB, obtains electric time delay relay, auxiliary reclay and A.C. contactor, button SB's
One end is connected with positive source, and the other end of button SB passes through coil KT and the power cathode of the time relay
Connect, the normally closed interlock KT1 of the time relay and the coil KA of auxiliary reclay connect formation branch road, and
Being coupled to the two ends of the coil KT of the time relay, the one end in not time delay wink moving contact KT2 of the time relay is even
The coil KM of A.C. contactor is passed through in the one end in not time delay wink moving contact KT2 connecing the positive source time relay
Connect the first normally open contact KM1 of power cathode, the normally closed interlock KA1 of auxiliary reclay and A.C. contactor
The branch road that series connection is split into, is parallel to the two ends in not time delay wink moving contact KT2 of the time relay, ac contactor
Second normally open contact of device be connected to three phase supply power supply and motor 2 (representing with labelling M in circuit diagram) it
Between.Also including a thermorelay, the normally closed interlock FR1 of this thermorelay is connected to the line of A.C. contactor
Between circle KM and power cathode, it is second normally opened that the heater element FR of thermorelay is connected to A.C. contactor
Between contact KM2 and motor.
Work process of the present utility model is: (1) crawl, in obtaining electric time delay relay delay time
Pin button SB not unclamp, obtain the coil KT of electric time delay relay, the coil KA of auxiliary reclay obtains
Electricity adhesive, the normally open contact KA1 of auxiliary reclay disconnects, and cuts off the self-locking circuit of A.C. contactor, obtains electric
Time delay relay trigger, the normally open contact KT2 that moves in not time delay wink obtaining electric time delay relay closes
Closing, the coil KM of A.C. contactor obtains electric adhesive, the second normally open contact KM2 Guan Bi of A.C. contactor, electricity
Machine 2 obtains electric operation.Release button SB in obtaining electric time delay relay delay time, obtains electric delay time
The coil KT of relay, the coil KA dead electricity release of auxiliary reclay, obtain not prolonging of electric time delay relay
Time move normally open contact KT2 wink and disconnect, the normally closed interlock of auxiliary reclay recovers normally off, A.C. contactor
Coil KM dead electricity release, A.C. contactor second normally open contact KM2 disconnect, motor dead electricity is out of service,
Thus realize crawl operation.
(2) continuously running, pinning time of button SB exceedes to obtain the delay time of electric time delay relay
After unclamp, obtain electric time delay relay normally closed interlock KT1 disconnect, cut off auxiliary reclay coil KA
Power supply, the coil KA dead electricity release of auxiliary reclay, the normally closed interlock KA1 of auxiliary reclay recovers normally closed shape
State, it is provided that to A.C. contactor self-locking circuit, the coil KM of A.C. contactor moves normally open contact in not time delay wink
Obtaining electric adhesive after KT2 Guan Bi, the first normally open contact KM1 Guan Bi self-locking circuit of A.C. contactor is connected, exchange
Second normally open contact KM2 Guan Bi of catalyst, motor 2 electric operation, first normal due to A.C. contactor
Open contact KM1 Guan Bi self-locking circuit is connected, and therefore, exchange phallus can work constantly, thus motor energy
Work constantly.
(3) shut down, after motor continuously runs, the most instantaneous time to be stopped press the button SB, now,
The coil KT of electric time delay relay, auxiliary reclay coil KA all electric adhesive, although must electric prolong
Time the time relay move normally open contact KT2 Guan Bi not time delay wink, but be connected on A.C. contactor self-locking circuit
In normally open contact KA1 disconnect, cut off A.C. contactor self-locking circuit, after release button SB, obtain electric
Move normally open contact KT2 the not time delay wink of time delay relay to disconnect, the normally closed interlock KA1 of auxiliary reclay
Also normally off is recovered, the coil KM dead electricity release of A.C. contactor, the second normally open contact of A.C. contactor
KM2 disconnects, and motor dead electricity shuts down.
Claims (5)
1. abrasive band feed mechanism, including take-up case and motor, it is characterized in that: also include the first friction roller, second friction roller, drivewheel, driven pulley, and control motor crawl, run continuously, the control circuit stopped, the two ends of described first friction roller are bearing on take-up case by clutch shaft bearing, one end of first friction roller is provided with axial extension, this extension reaches the outside of take-up case, described driven pulley is fixed on the extension of the first friction roller, second friction roller is arranged on take-up case by the second bearing, described motor is fixed on take-up case, motor output end axially and the first friction roller axially in parallel, described drivewheel is fixed on the outfan of motor, drivewheel is in transmission connection with driven pulley or coordinates, described control circuit electrically connects with motor.
Abrasive band the most according to claim 1 feed mechanism, it is characterised in that: the extension of described first friction roller is provided with axle sleeve, and one end of this axle sleeve is supported with the axial end of driven pulley, and the other end of axle sleeve is supported with the box wall of take-up case.
Abrasive band the most according to claim 2 feed mechanism, it is characterised in that: another axial end of described driven pulley is spacing by the nut being fixed on extension.
nullAbrasive band the most according to claim 1 feed mechanism，It is characterized in that: described control circuit includes button (SB)、Obtain electric time delay relay、Auxiliary reclay and A.C. contactor，One end of button (SB) is connected with positive source，The other end of button (SB) is connected with power cathode by the coil (KT) of the time relay，The normally closed interlock (KT1) of the time relay connect with the coil (KA) of auxiliary reclay formed branch road，It is parallel to the two ends of the coil (KT) of the time relay，The one end in not time delay wink moving contact (KT2) of the time relay connects the one end in not time delay wink moving contact (KT2) of the positive source time relay and connects power cathode by the coil (KM) of A.C. contactor，The normally closed interlock (KA1) of auxiliary reclay is connected with first normally open contact (KM1) of A.C. contactor the branch road being split into，It is parallel to the two ends in not time delay wink moving contact (KT2) of the time relay，Second normally open contact of A.C. contactor is connected between three phase supply power supply and motor.
Abrasive band the most according to claim 4 feed mechanism, it is characterized in that: also include a thermorelay, the normally closed interlock (FR1) of this thermorelay is connected between coil (KM) and the power cathode of A.C. contactor, and the heater element (FR) of thermorelay is connected between the second normally open contact (KM2) and the motor of A.C. contactor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620301677.3U CN205630311U (en) | 2016-04-12 | 2016-04-12 | Abrasive band feed mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620301677.3U CN205630311U (en) | 2016-04-12 | 2016-04-12 | Abrasive band feed mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205630311U true CN205630311U (en) | 2016-10-12 |
Family
ID=57064787
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620301677.3U Expired - Fee Related CN205630311U (en) | 2016-04-12 | 2016-04-12 | Abrasive band feed mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205630311U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105773420A (en) * | 2016-04-12 | 2016-07-20 | 常州市金牛研磨有限公司 | Abrasive belt feeding mechanism |
-
2016
- 2016-04-12 CN CN201620301677.3U patent/CN205630311U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105773420A (en) * | 2016-04-12 | 2016-07-20 | 常州市金牛研磨有限公司 | Abrasive belt feeding mechanism |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20161012 Termination date: 20210412 |