CN102873621A - Sand belt tensioning device for belt sander - Google Patents
Sand belt tensioning device for belt sander Download PDFInfo
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- CN102873621A CN102873621A CN2012103922399A CN201210392239A CN102873621A CN 102873621 A CN102873621 A CN 102873621A CN 2012103922399 A CN2012103922399 A CN 2012103922399A CN 201210392239 A CN201210392239 A CN 201210392239A CN 102873621 A CN102873621 A CN 102873621A
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- tensioning
- frame
- abrasive band
- nutted rod
- belt sander
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Abstract
The invention provides a sand belt tensioning device for a belt sander, which belongs to the technical field of operation and is used for solving the problem that only rigid tensioning or flexible tensioning can be realized in the conventional tensioning device. According to the sand belt tensioning device for the belt sander, the belt sander comprises a frame; the sand belt tensioning device comprises a tensioning shaft, a tensioning wheel positioned on the tensioning shaft, and a tensioning rod; one end of the tensioning rod is fixedly connected with one end part of the tensioning shaft; the tensioning rod is hinged on the frame; a force applying piece which always tends to tensioning the sand belt is connected to the tensioning rod; and the frame is provided with a fixing structure which can be used for fixedly connecting the tensioning shaft or the tensioning rod with the frame. Due to the adoption of the sand belt tensioning device for the belt sander, rigid tensioning of the sand belt can be realized, and flexible tensioning of the sand belt can be realized. The belt sander provided with the sand belt tensioning device meets the requirements of different working conditions. Compared with the conventional sand belt tensioning device, the sand belt tensioning device for the belt sander has the advantages of small structural change, small increase in the production cost, and the like.
Description
Technical field
The invention belongs to the operation technique field, relate to the abrasive band tensioning apparatus of a kind of belt sander, particularly a kind of belt sander.
Background technology
A kind of polissoir that is in daily use of belt sander is widely used in industries such as five metals, hot-water heatings.Belt sander comprises the tensioning apparatus of frame, a driving wheel, regulating wheel, motor, abrasive band and a regulating wheel at least.Need the tensioning abrasive band when adopting the belt sander grinding work piece, and then workpiece grinding face and abrasive band are leant.Can also be convenient for changing the abrasive band by handling tensioning apparatus.
About the abrasive band tensioning apparatus Patents of belt sander such as the driven pulley governor motion [application number: 02261106.1 of the disclosed a kind of belt sander of Chinese patent literature; Notification number CN2581116Y], be arranged on the base of polishing machine, on driven pulley socket and the driven shaft, have a groove on the base, groove is vertical with driven shaft, and groove is provided with base plate, is provided with one between groove and the base plate and makes base plate slide and make base plate be fixed in stopping means on the base at groove, a vertical shaft vertically is fixed on the base plate, and driven shaft connects with vertical shaft by a connector.By handling the position between stopping means regulating base board and the base, to be regulated good after again base plate be fixed on the base; And then make the abrasive band tensioning, and the tensioning back front driven wheel is no longer motion just, and this tensioning mode is called the rigidity tensioning.
The disclosed flat grinding abrasive belt polishing machine of Chinese patent literature [application number: 200610118511.9 and for example; Notification number CN1962191B], tensioning apparatus is the adjusting rod that is hinged on the column, and the front end of adjusting rod is connected with regulating wheel, and the rear end of adjusting rod is provided with the balanced controls that make this end have bottom trend.Regulate the stressed size of adjusting rod rear end by handling balanced controls, realize the tensioning abrasive band; After the tensioning during grinding work piece regulating wheel may swing, this tensioning mode is called flexible tensioning.
Obviously, the different workpiece of grinding needs suitable tensioning mode; Otherwise can affect grinding quality.But present tensioning apparatus only can be realized rigidity tensioning or flexible tensioning, and on a polishing machine cover tensioning apparatus only can be installed, be that the different workpiece of grinding may need two polishing machines, increased virtually the input of producer's fixed assets, improved production cost; Present belt sander exists the problem of function singleness in other words.
Summary of the invention
The objective of the invention is to have the problems referred to above for existing technology, proposed a kind of abrasive band tensioning apparatus of belt sander, the abrasive band function with this abrasive band tensioning apparatus satisfies different operating mode process requirements.
Purpose of the present invention can realize by following technical proposal: a kind of abrasive band tensioning apparatus of belt sander, belt sander comprises frame, this abrasive band tensioning apparatus comprises tensioning shaft and the regulating wheel that is positioned on the tensioning shaft, it is characterized in that, this abrasive band tensioning apparatus also comprises nutted rod, described nutted rod one end is fixedly connected with tensioning shaft one end, and described nutted rod is hinged on the frame; Be connected with the force-applying piece that has all the time tensioning abrasive band trend on the described nutted rod; Described frame is provided with the fixed structure that tensioning shaft or nutted rod can be fixedly connected with frame.
When utilizing the abrasive band tensioning apparatus of this belt sander to regulate the abrasive band rate of tension, guarantee that by handling fixed structure tensioning shaft is in active state with respect to frame, by controlling force-applying piece or nutted rod, nutted rod is swung and then drive regulating wheel and move again, realize regulating the abrasive band rate of tension.Can not grasp fixed structure according to actual condition and to do, guarantee that regulating wheel can swing with respect to frame, realize thus the flexible tensioning in abrasive band.Also can tensioning shaft or nutted rod be fixed on the frame by handling fixed structure, even regulating wheel no longer swings with respect to frame, realize thus abrasive band rigidity tensioning.
In the tensioning apparatus of the abrasive band of above-mentioned belt sander, described fixed structure comprises and is positioned at gathering sill corresponding with the tensioning shaft swinging track on the frame, described tensioning shaft one end has annular recessed shoulder, and the recessed shoulder of described tensioning shaft annular passes gathering sill and is connected with locking nut.The recessed shoulder of annular side relies on mutually with the gathering sill side.By screwing locking nut annular recessed shoulder bottom surface and the frame of tensioning shaft are leant, locking nut also leans with frame and realizes tensioning shaft is fixed on the frame.Otherwise, the stability that tensioning shaft can move with respect to frame and above-mentioned gathering sill also helps tensioning shaft to swing.
In the tensioning apparatus of the abrasive band of above-mentioned belt sander, the recessed shoulder of described tensioning shaft annular also passes nutted rod and is connected with above-mentioned locking nut.By screwing locking nut annular recessed shoulder bottom surface and the frame of tensioning shaft are leant, nutted rod also leans with frame, so namely realize tensioning shaft is fixed on the frame, realizes again nutted rod is fixed on the frame.
In the tensioning apparatus of the abrasive band of above-mentioned belt sander, described fixed structure comprises the fixed head that is fixed on the frame, have the bar shaped resigning hole corresponding with the nutted rod swinging track on the described fixed head, be fixed with set bolt on the described nutted rod, set bolt passes above-mentioned resigning hole and is connected with locking nut.The stability that swings in order to improve nutted rod relies on fixed head and nutted rod mutually.Realize being fixed on nutted rod on the fixed head or nutted rod being moved with respect to fixed head by screwing locking nut.
In the tensioning apparatus of the abrasive band of above-mentioned belt sander, described force-applying piece is the counterweight with hook portion, has several on the described nutted rod and arranges for the connecting hole that links to each other with the counterweight hook portion along its vertical line.
In the tensioning apparatus of the abrasive band of above-mentioned belt sander, described force-applying piece is spring, and spring one end is connected with frame, and the other end links to each other with nutted rod.
In the tensioning apparatus of the abrasive band of above-mentioned belt sander, described nutted rod or frame are provided with auxiliary application of force assembly.Auxiliary application of force assembly is set helps people that nutted rod is further applied tensioning abrasive band active force, and then can improve the abrasive band rate of tension.
In the tensioning apparatus of the abrasive band of above-mentioned belt sander, described auxiliary application of force assembly comprises handle and the connecting bolt that is located on the handle, and described connecting bolt is fixedly connected with nutted rod.
In the tensioning apparatus of the abrasive band of above-mentioned belt sander, described auxiliary application of force assembly comprises the connector that links to each other with nutted rod, between described connector and the frame by being connected with connector and being hinged with frame and can driving at least the force application rod that nutted rod swings along force-applying piece active force rightabout.In general the length of force application rod is longer, makes it to form the long application of force arm of force, and then improves the active force that acts on the nutted rod.
In the tensioning apparatus of the abrasive band of above-mentioned belt sander, described connector is bearing, and the lateral surface of bearing and the side of nutted rod lean, and bearing inner race is fixedly connected with force application rod.
In the tensioning apparatus of the abrasive band of above-mentioned belt sander, described connector is the connecting rod that is fixed on the force application rod, has the stressed groove that is strip on the described nutted rod, and described connecting rod penetrates in the stressed groove.
In the tensioning apparatus of the abrasive band of above-mentioned belt sander, described force application rod is fixed with the dependence body that relies on mutually with frame with respect to a sidepiece of pin joint, and described force application rod is provided with the fastening bolt that can lean with frame with respect to the other side of pin joint.Force application rod can be fixed on the frame by screwing fastening bolt, can discharge first thus force application rod and handle again fixed structure tensioning shaft or nutted rod are fixedly connected with frame.
Compared with prior art, the abrasive band tensioning apparatus of this belt sander namely can be realized rigidity tensioning abrasive band, can realize again flexible tensioning abrasive band.Make the belt sander with this abrasive band tensioning apparatus satisfy different operating mode process requirements.The abrasive band tensioning apparatus of this belt sander and existing abrasive band tensioning device structure change little, and production cost increases the advantages such as little.The abrasive band tensioning apparatus of this belt sander also has simple in structure, the advantages such as connection and reasonable arrangement and compactness.
Description of drawings
Fig. 1 is the structural representation of the abrasive band tensioning apparatus of this belt sander.
Fig. 2 is partial structurtes enlarged drawing among Fig. 1.
Among the figure, 1, frame; 2, bearing; 3, regulating wheel; 4, nutted rod; 5, gathering sill; 6, locking nut; 7, spring; 8, force application rod; 9, jointed shaft; 10, fastening bolt; 11, rely on body.
The specific embodiment
Below be specific embodiments of the invention and by reference to the accompanying drawings, technical scheme of the present invention is further described, but the present invention be not limited to these embodiment.
As depicted in figs. 1 and 2, this belt sander comprises frame 1, and the frame 1 that this Figure of description provides is tabular, and according to actual conditions, the shape adaptability ground of frame 1 is adjusted.
As shown in Figure 1, the abrasive band tensioning apparatus of belt sander comprises tensioning shaft, regulating wheel 3, nutted rod 4, force-applying piece and the fixed structure that tensioning shaft or nutted rod 4 can be fixedly connected with frame 1.
Specifically, to hinged, in general nutted rod 4 vertically swings by jointed shaft 9 for the middle part of nutted rod 4 and frame 1, but certainly according to actual conditions also horizontal hunting.
One end of nutted rod 4 is connected with tensioning shaft one end, and force-applying piece is connected with the other end of nutted rod 4 and force-applying piece can make nutted rod 4 have all the time swing trend to the active force of nutted rod 4, namely has all the time tensioning abrasive band trend.Tensioning shaft is horizontally disposed with, and regulating wheel 3 is located by connecting with the other end of tensioning shaft.
Fixed structure is arranged on the frame 1, fixed structure comprises and is positioned at gathering sill corresponding with the tensioning shaft swinging track on the frame 15, tensioning shaft one end has annular recessed shoulder, after the recessed shoulder of tensioning shaft annular passes gathering sill 5, also passes nutted rod 4 and is connected with locking nut 6 again.By screwing locking nut 6 the annular recessed shoulder bottom surface of tensioning shaft and frame 1 are leant, nutted rod 4 also leans with frame 1, so namely realize tensioning shaft is fixed on the frame 1, realize again nutted rod 4 is fixed on the frame 1, and tensioning shaft is fixedly connected with nutted rod 4.This structure obviously has reasonable in design, the advantage of simple in structure and handiness.
Nutted rod 4 can adopt following scheme to replace with connected mode and the fixed structure of tensioning shaft, fixed structure comprises and is positioned at gathering sill corresponding with the tensioning shaft swinging track on the frame 15, tensioning shaft one end has annular recessed shoulder, after the recessed shoulder of tensioning shaft annular passes gathering sill 5 and is connected with locking nut 6, be fixedly connected by welding with nutted rod 4 again.
Force-applying piece is spring 7, and spring 7 one ends are connected with frame 1, and the other end links to each other with nutted rod 4.According to actual conditions, force-applying piece can adopt following scheme to replace: force-applying piece is the counterweight with hook portion, has several on the nutted rod 4 and arranges for the connecting hole that links to each other with the counterweight hook portion along its vertical line.
In order to be convenient for people to by nutted rod 4 further being applied tensioning abrasive band active force, reach the purpose that improves the abrasive band rate of tension, so be provided with auxiliary application of force assembly at nutted rod 4 or frame 1.Auxiliary application of force assembly comprises the connector that links to each other with nutted rod 4, between connector and the frame 1 by being connected with connector and being hinged with frame 1 and can driving at least nutted rod 4 along the force application rod 8 of force-applying piece active force rightabout swing.
More particularly, force application rod 8 is hinged by jointed shaft 9 and frame 1, force application rod 8 is fixed with the dependence body 11 that relies on mutually with frame 1 with respect to a sidepiece of pin joint, and force application rod 8 is provided with the fastening bolt 10 that can lean with frame 1 with respect to the other side of pin joint.When screwing fastening bolt 10, fastening bolt 10 heads and frame 1 lean, and then force application rod 8 is had to frame 1 near trend with respect to a sidepiece of pin joint, owing to rely on stopping of body 11, and then make between fastening bolt 10 and the frame 1 and produce significantly frictional force, be equivalent to force application rod 8 is fixed on the frame 1, namely avoid releasing people and put behind the force application rod 8 that force application rod 8 swings under the effect of abrasive band and force-applying piece.
Connector is bearing 2, and the side of the lateral surface of bearing 2 and nutted rod 4 leans, and bearing 2 inner rings are fixedly connected with force application rod 8 the other side with respect to pin joint.Force application rod 8 prolongs the application of force arm of force with respect to the other side longitudinal extension of pin joint, and then improves the active force that acts on the nutted rod 4.
According to actual conditions, the connected mode of connector and connector and nutted rod 4 can adopt following scheme to replace: connector is the connecting rod that is fixed on the force application rod 8, has the stressed groove that is strip on the nutted rod 4, and described connecting rod penetrates in the stressed groove.
Embodiment two
Present embodiment is basic identical with structure and the principle of embodiment one, and different place is: auxiliary application of force assembly comprises handle and the connecting bolt that is located on the handle, and described connecting bolt is fixedly connected with nutted rod 4.
Embodiment three
Present embodiment is basic identical with structure and the principle of embodiment one, different place is: fixed structure comprises the fixed head that is fixed on the frame 1, have the bar shaped resigning hole corresponding with nutted rod 4 swinging tracks on the described fixed head, be fixed with set bolt on the described nutted rod 4, set bolt passes above-mentioned resigning hole and is connected with locking nut 6.
Specific embodiment described herein only is to the explanation for example of the present invention's spirit.Those skilled in the art can make various modifications or replenish or adopt similar mode to substitute described specific embodiment, but can't depart from spirit of the present invention or surmount the defined scope of appended claims.
Claims (10)
1. the abrasive band tensioning apparatus of a belt sander, belt sander comprises frame (1), this abrasive band tensioning apparatus comprises tensioning shaft and the regulating wheel (3) that is positioned on the tensioning shaft, it is characterized in that, this abrasive band tensioning apparatus also comprises nutted rod (4), described nutted rod (4) one ends are fixedly connected with tensioning shaft one end, and described nutted rod (4) is hinged on the frame (1); Described nutted rod is connected with the force-applying piece that has all the time tensioning abrasive band trend on (4); Described frame (1) is provided with the fixed structure that tensioning shaft or nutted rod (4) can be fixedly connected with frame (1).
2. the abrasive band tensioning apparatus of belt sander according to claim 1, it is characterized in that, described fixed structure comprises that being positioned at frame (1) goes up the gathering sill (5) corresponding with the tensioning shaft swinging track, described tensioning shaft one end has annular recessed shoulder, and the recessed shoulder of described tensioning shaft annular passes gathering sill (5) and is connected with locking nut (6).
3. the abrasive band tensioning apparatus of belt sander according to claim 2 is characterized in that, the recessed shoulder of described tensioning shaft annular also passes nutted rod (4) and is connected with above-mentioned locking nut (6).
4. the abrasive band tensioning apparatus of belt sander according to claim 1, it is characterized in that, described fixed structure comprises the fixed head that is fixed on the frame (1), have the bar shaped resigning hole corresponding with nutted rod (4) swinging track on the described fixed head, described nutted rod is fixed with set bolt on (4), and set bolt passes above-mentioned resigning hole and is connected with locking nut (6).
5. the abrasive band tensioning apparatus of the described belt sander of any one in 4 according to claim 1, it is characterized in that, described force-applying piece is the counterweight with hook portion, has several on the described nutted rod (4) and arranges for the connecting hole that links to each other with the counterweight hook portion along its vertical line.
6. the abrasive band tensioning apparatus of the described belt sander of any one in 4 according to claim 1 is characterized in that described force-applying piece is spring (7), and spring (7) one ends are connected with frame (1), and the other end links to each other with nutted rod (4).
7. the abrasive band tensioning apparatus of the described belt sander of any one in 4 according to claim 1 is characterized in that described nutted rod (4) or frame (1) are provided with auxiliary application of force assembly.
8. the abrasive band tensioning apparatus of belt sander according to claim 7 is characterized in that, described auxiliary application of force assembly comprises handle and the connecting bolt that is located on the handle, and described connecting bolt is fixedly connected with nutted rod (4).
9. the abrasive band tensioning apparatus of belt sander according to claim 7, it is characterized in that, described auxiliary application of force assembly comprises the connector that links to each other with nutted rod (4), between described connector and the frame (1) by being connected with connector and being hinged with frame (1) and can driving at least the force application rod (8) that nutted rod (4) swings along force-applying piece active force rightabout.
10. the abrasive band tensioning apparatus of belt sander according to claim 9, it is characterized in that, described force application rod (8) is fixed with the dependence body (11) that relies on mutually with frame (1) with respect to a sidepiece of pin joint, and described force application rod (8) is provided with the fastening bolt (10) that can lean with frame (1) with respect to the other side of pin joint.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210392239.9A CN102873621B (en) | 2012-10-16 | 2012-10-16 | Sand belt tensioning device for belt sander |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210392239.9A CN102873621B (en) | 2012-10-16 | 2012-10-16 | Sand belt tensioning device for belt sander |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102873621A true CN102873621A (en) | 2013-01-16 |
| CN102873621B CN102873621B (en) | 2015-07-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210392239.9A Active CN102873621B (en) | 2012-10-16 | 2012-10-16 | Sand belt tensioning device for belt sander |
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| Country | Link |
|---|---|
| CN (1) | CN102873621B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104117890A (en) * | 2014-07-25 | 2014-10-29 | 韩世宇 | Belt type grinding machine |
| CN109015261A (en) * | 2018-09-30 | 2018-12-18 | 天津莫德曼机器人有限公司 | A kind of processing grinding apparatus applied to robot components |
| CN109048584A (en) * | 2018-09-30 | 2018-12-21 | 天津莫德曼机器人有限公司 | A kind of adjustable roll wheel assembly of belt sander |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1009903A (en) * | 1963-05-31 | 1965-11-17 | Condon King Co Inc | Belt grinding apparatus |
| DE2214886B2 (en) * | 1972-03-27 | 1979-05-31 | Hans Johannsen Maschinenfabrik Und Apparatebau Kg, 3559 Battenberg | Grinding belt trying mechanism - has adjuster with tension sensor to act on belt jockey roller bracket |
| CN2581116Y (en) * | 2002-10-30 | 2003-10-22 | 陈美青 | Regulating mechanism for driven wheel of abrasive belt polishing machine |
| CN1962191A (en) * | 2006-11-20 | 2007-05-16 | 陈美青 | Flat grinding abrasive belt polishing machine |
| CN101152704A (en) * | 2006-09-28 | 2008-04-02 | 创科实业有限公司 | Tension/release mechanism for belt sander |
| CN101642891A (en) * | 2009-08-26 | 2010-02-10 | 戴若夫 | Portable sheet slope forming machine |
| CN202910695U (en) * | 2012-10-16 | 2013-05-01 | 陈美青 | Abrasive belt tensioning device for belt sander |
-
2012
- 2012-10-16 CN CN201210392239.9A patent/CN102873621B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1009903A (en) * | 1963-05-31 | 1965-11-17 | Condon King Co Inc | Belt grinding apparatus |
| DE2214886B2 (en) * | 1972-03-27 | 1979-05-31 | Hans Johannsen Maschinenfabrik Und Apparatebau Kg, 3559 Battenberg | Grinding belt trying mechanism - has adjuster with tension sensor to act on belt jockey roller bracket |
| CN2581116Y (en) * | 2002-10-30 | 2003-10-22 | 陈美青 | Regulating mechanism for driven wheel of abrasive belt polishing machine |
| CN101152704A (en) * | 2006-09-28 | 2008-04-02 | 创科实业有限公司 | Tension/release mechanism for belt sander |
| CN1962191A (en) * | 2006-11-20 | 2007-05-16 | 陈美青 | Flat grinding abrasive belt polishing machine |
| CN101642891A (en) * | 2009-08-26 | 2010-02-10 | 戴若夫 | Portable sheet slope forming machine |
| CN202910695U (en) * | 2012-10-16 | 2013-05-01 | 陈美青 | Abrasive belt tensioning device for belt sander |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104117890A (en) * | 2014-07-25 | 2014-10-29 | 韩世宇 | Belt type grinding machine |
| CN109015261A (en) * | 2018-09-30 | 2018-12-18 | 天津莫德曼机器人有限公司 | A kind of processing grinding apparatus applied to robot components |
| CN109048584A (en) * | 2018-09-30 | 2018-12-21 | 天津莫德曼机器人有限公司 | A kind of adjustable roll wheel assembly of belt sander |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102873621B (en) | 2015-07-15 |
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