CN210173347U - Sander for abrasive paper grinding - Google Patents
Sander for abrasive paper grinding Download PDFInfo
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- CN210173347U CN210173347U CN201920927026.9U CN201920927026U CN210173347U CN 210173347 U CN210173347 U CN 210173347U CN 201920927026 U CN201920927026 U CN 201920927026U CN 210173347 U CN210173347 U CN 210173347U
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Abstract
The utility model provides a sander for sanding sand paper, which comprises a base with a sand paper supporting surface for supporting sand paper and a clamping groove arranged on the base, wherein the clamping groove is arranged at two ends of the sand paper supporting surface; the movable clamping block is connected to the base through a connecting bolt and can be close to and far away from the bottom of the clamping groove, and a clamping gap for allowing the sand paper to pass through is formed between the movable clamping block and the bottom of the clamping groove; the movable clamping block is provided with a pressing structure for pressing the sand paper penetrating through the clamping gap at the bottom of the groove, and the movable clamping block also comprises a handle fixedly arranged on the base, so that the movable clamping block is convenient to be polished by hands; when pressing from both sides dress abrasive paper, pass the activity with abrasive paper and press from both sides the dress clearance with pressing from both sides between the tank bottom that presss from both sides tight piece and press from both sides tight recess to abrasive paper compresses tightly at the tank bottom through the compact structure that the activity pressed from both sides on the tight piece, and the tip of abrasive paper is worn out from pressing from both sides tight recess, thereby makes abrasive paper form bending when pressing from both sides the dress, has increased abrasive paper and activity and has pressed from both sides the frictional force between the tight piece of clamp, makes abrasive paper be difficult to deviate.
Description
Technical Field
The utility model relates to a sander for abrasive paper grinding.
Background
Work piece or timber surface often need make it have higher surface quality through polishing, among the prior art, for example, grant publication number CN205415359U discloses a sand paper plane, the sand paper plane includes the bottom plate, the both sides of bottom plate are provided with the clip of centre gripping sand paper, the clip includes the interlock body, the clamp body, it is articulated through the axle before interlock body and the clamp body, and, be provided with the spring between interlock body and the clamp body, during the use with the sand paper parcel on the bottom plate of sand paper plane, utilize the clip of bottom plate both sides to press from both sides tight sand paper, then begin to polish with the sand paper plane. However, the clamping force of the clamp of the sandpaper plane in the prior art is provided by the spring, the clamping force is limited, and in the process of polishing by the sandpaper plane, the friction force borne by the sandpaper is large, so that the sandpaper is easy to separate from the clamp, the paper separation phenomenon is caused, and the polishing progress is influenced.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a sander for abrasive paper grinding to solve among the prior art problem that the clamp force of abrasive paper is not enough, take off paper easily.
In order to achieve the above object, the utility model discloses a sander for abrasive paper grinding adopts following technical scheme:
a sander for sanding, comprising:
a base having a sandpaper supporting surface for supporting sandpaper;
the clamping grooves are arranged on the base and are positioned at two ends of the sand paper supporting surface;
the movable clamping block is connected to the base through a connecting bolt and can be close to and far away from the bottom of the clamping groove, and a clamping gap for allowing the sand paper to pass through is formed between the movable clamping block and the bottom of the clamping groove;
the movable clamping block is provided with a pressing structure for pressing the sand paper penetrating through the clamping gap at the bottom of the groove;
the handle is fixedly arranged on the base and is convenient to polish by hand.
The beneficial effects of the utility model reside in that: when pressing from both sides dress abrasive paper, pass the activity with abrasive paper and press from both sides the dress clearance with pressing from both sides between the tank bottom that presss from both sides tight piece and press from both sides tight recess to abrasive paper compresses tightly at the tank bottom through the compact structure that the activity pressed from both sides on the tight piece, and the tip of abrasive paper is worn out from pressing from both sides tight recess, thereby makes abrasive paper form bending when pressing from both sides the dress, has increased abrasive paper and activity and has pressed from both sides the frictional force between the tight piece of clamp, makes abrasive paper be difficult to deviate.
Furthermore, the pressing structure is a pressing block connected to the movable clamping block through a jacking screw, the pressing block is located between the movable clamping block and the groove bottom of the clamping groove, and abrasive paper can be pressed on the groove bottom through the pressing block when the jacking screw is screwed.
Has the advantages that: when pressing from both sides dress abrasive paper, press from both sides tight piece through the activity and can compress tightly abrasive paper, press from both sides through the tight screw connection in top on the tight piece in the activity and have the briquetting, the tight screw in top of screwing can further compress tightly abrasive paper, makes pressing from both sides of abrasive paper dress more firm.
Furthermore, the movable clamping block is in a long strip shape and is connected with the base through two end positions, and the pressing block is connected to the middle position of the movable clamping block.
Has the advantages that: the both ends that the activity pressed from both sides tight piece are used for being connected with the tank bottom, the intermediate position sets up the briquetting and is used for compressing tightly abrasive paper, thereby make the activity press from both sides tight piece and form bow-shaped tight structure, the briquetting sets up the intermediate position that presss from both sides tight piece in the activity, it is bigger to compress tightly the effort, and, when the briquetting compressed tightly abrasive paper, the intermediate position that the activity pressed from both sides tight piece will take place slight to pressing from both sides tight recess bending, and will be located the activity and press from both sides the connecting bolt at tight piece both ends and prop tightly, avoid connecting bolt's not hard up, make.
The base includes horizontal arm and two vertical arms that are in the horizontal arm both ends respectively, and the side of the vertical arm of horizontal arm dorsad constitutes the abrasive paper holding surface, presss from both sides tight recess setting on two vertical arms.
Has the advantages that: simplify the structural arrangement of base to, make the setting of pressing from both sides tight recess can not cause the interference to the abrasive paper holding surface, guaranteed the structural strength and the roughness of abrasive paper holding surface.
Furthermore, two ends of the handle are respectively connected with the two vertical arms, and a holding space is formed between the handle and the horizontal arm.
Has the advantages that: the weight of the sander is reduced, and the sander is portable during sanding.
The clamping groove extends in the width direction of the vertical arm.
Has the advantages that: make sandpaper can pass completely from pressing from both sides tight recess, when the side of the orientation recess of activity clamp piece was compact structure, the activity was pressed from both sides tight piece and can be pressed from both sides tight sandpaper in sandpaper's whole width direction, and sandpaper all is propped up in the width direction of whole sandpaper holding surface.
The groove bottom of the clamping groove on the vertical arm extends to two sides in the width direction to form a connecting lug, and a connecting screw penetrates through the end part of the movable clamping block and is connected with the corresponding connecting lug.
Has the advantages that: the whole structure of the sander is simpler to set.
The pressing structure is the side face of the movable clamping block facing the groove.
Has the advantages that: the movable pressing block is connected to the bottom of the groove when pressing the sand paper, and the structural arrangement of the sander is simplified.
The sand paper supporting surface is a plane or an arc surface with an axis extending along the width direction.
Has the advantages that: can adapt to different surfaces to be polished and increase the adaptability of the polisher.
The base or the handle is also provided with a connecting structure for connecting with the polishing equipment.
Has the advantages that: the automatic polishing device is convenient to be connected with polishing equipment, and automatic polishing of the polisher is achieved.
Drawings
FIG. 1 is a schematic view of a first embodiment of a sander for sanding according to the present invention;
FIG. 2 is a schematic view of a second embodiment of a sander for sanding according to the present invention;
fig. 3 is a schematic view showing a third embodiment of a sander for sanding according to the present invention.
In the figure: 1-a vertical arm; 2-a movable clamping block; 4-connecting bolts; 5-a handle; 6, tightening the screw; 7-clamping the groove; 8-sand paper; 9-a nut; 10-a horizontal arm; 11-connecting lugs; 12-a first connection hole; 13-a second connection hole; 14-a vertical arm; 15-a movable clamping block; 16-connecting bolts; 17-connecting lugs; 18-sandpaper; 19-a vertical arm; 20-connecting arm.
Detailed Description
Embodiments of the sander for sanding according to the present invention will be further described with reference to the accompanying drawings.
The sander for sanding is in a first use state as shown in fig. 1 and comprises a base, the base comprises a horizontal arm 10 and two vertical arms 1 which are respectively arranged at two ends of the horizontal arm 10, the side surface of the horizontal arm 10, which faces away from the vertical arms 1, forms a sanding paper supporting surface for supporting a sanding paper 8, the sanding paper supporting surface is a plane, a sanding paper pressing structure is arranged on the vertical arm 1, in the sander, the sanding paper 8 is rectangular, the two ends of the sanding paper 8 are clamped on the vertical arms 1, the middle part of the sanding paper 8 is tightened by the sanding paper supporting surface, and therefore when the sander moves, the sanding paper 8 fixed on the sander can sand a workpiece.
A clamping groove 7 is formed in the vertical arm 1, the clamping groove 7 extends along the width direction of the vertical arm 1, a movable clamping block 2 is arranged at the clamping groove 7 in order to clamp two ends of the abrasive paper 8 in the clamping groove 7, and a clamping gap for the abrasive paper 8 to pass through is formed between the movable clamping block 2 and the bottom of the clamping groove 7; the movable clamping block 2 is connected to the groove bottom of the clamping groove 7 through the connecting bolt 4, in order to avoid the influence of the connection of the movable clamping block 2 on the clamping of the abrasive paper 8, connecting lugs 11 are respectively arranged on the vertical arm 1 and on the two sides of the groove bottom of the clamping groove 7 in the width direction, a through hole is formed in each connecting lug 11, the movable clamping block 2 is in a long strip shape and is connected to the connecting lugs 11 through the connecting bolts 4 at the two ends, the middle position on the movable clamping block 2 is connected with a pressing block through a jacking screw 6, the pressing block is positioned between the movable clamping block 2 and the groove bottom of the clamping groove 7, when the jacking screw 6 is screwed, the pressing block can press the abrasive paper 8 on the groove bottom of the clamping groove 7, after the pressing block presses the abrasive paper 8, the movable clamping block 2 forms an arc-shaped clamping structure, the pressing block is arranged at the middle position, when the pressing block compresses the abrasive paper 8, the middle position of the movable clamping block 2 is slightly bent towards the clamping groove 7, and the connecting bolts 4 at the two ends of the movable clamping block 2 are tightly supported, so that the looseness of the connecting bolts 4 is avoided, and the connection of the movable clamping block 2 is more stable and reliable.
Be connected with handle 5 between two vertical arms 1, form between handle 5 and the horizontal arm 10 and hold the space, consequently, this sander can be as hand-held type sander, with the back of adorning abrasive paper 8, directly holds handle 5 and carries out the manual work and polish.
This sander can also be used to the machine and polish, the upper surface of handle 5 be with the plane of two vertical arm 1's top surface parallel and level to, be provided with first connecting hole 12 on two vertical arm 1's top surface respectively, first connecting hole 12 is the screw hole, still is provided with second connecting hole 13 on handle 5's upper surface, can be connected sander and equipment of polishing through first connecting hole 12 and second connecting hole 13.
When pressing from both sides dress abrasive paper 8, place abrasive paper 8 on the platform, then put the sander on abrasive paper 8, then buckle the both ends of rectangle abrasive paper 8 towards the extending direction of vertical arm 1, make the both ends of rectangle abrasive paper 8 pass in the clamp dress clearance between the tank bottom of activity clamp block 2 and the tight recess 7 of clamp, abrasive paper 8 passes and presss from both sides tight recess 7 and wear out a section length from pressing from both sides tight recess 7, on the one hand, can make more stable the compressing tightly of abrasive paper in pressing from both sides tight recess 7, on the other hand, can also make it tighten by hand pulling abrasive paper before compressing tightly abrasive paper. Through pulling and pulling the both ends that wear out and press from both sides tight recess 7 of abrasive paper 8, make the abrasive paper 8 of abrasive paper holding surface department be in the state of tightening, then hold the nut 9 of connecting bolt 4 one end, twist the butterfly nut of the connecting bolt 4 other end soon, make the activity press from both sides tight piece and also realize fixed connection with the engaging lug when pressing from both sides tight abrasive paper, the tight screw 6 of top of screwing makes the activity press from both sides the briquetting of 2 intermediate positions of tight piece and can compress tightly abrasive paper 8 at the tank bottom that presss from both sides tight recess 7, thereby it is fixed to have accomplished pressing from both sides of abrasive paper. Then, the grinding workpiece can be ground in a manual grinding mode or a machine grinding mode.
The second embodiment of the sander for sanding, different from the first embodiment, as shown in fig. 2, a clamping groove is provided on the vertical arm 14, the clamping groove extends along the width direction of the vertical arm 14, and the cross-sectional shape of the clamping groove is rectangular, on the vertical arm 14, lugs are respectively provided on the two sides of the groove bottom of the clamping groove in the width direction, the movable clamping block 15 is strip-shaped and rectangular in cross-sectional shape, the movable clamping block 15 is connected to the lugs 17 through the connecting bolts 16 at the two ends, and the middle position of the movable clamping block 15 is not provided with a pressing block, but the side of the movable clamping block 15 facing the groove is used for pressing the sandpaper 18 at the groove bottom of the clamping groove, when the movable clamping block 15 is connected with the lugs 17 through the connecting bolts 16, the side of the movable clamping block 15 facing the groove can press the sandpaper 18 at the groove bottom of the clamping groove, at this time, the side of the movable clamping block 15 facing the groove forms a pressing structure.
The utility model discloses a three embodiment of a sander for abrasive paper grinding, different from the embodiment one, as shown in fig. 3, the base includes two vertical arms 19 and connects the linking arm 20 of two vertical arms 19, wherein, is provided with the abrasive paper holding surface on the linking arm 20, and the abrasive paper holding surface is the cambered surface that the axis extends along width direction.
In this embodiment two, the activity presss from both sides the tight piece and is rectangular shape to the cross sectional shape of activity clamp piece is the rectangle, and the side of the orientation recess through the activity presss from both sides the tight piece is used for compressing tightly abrasive paper, and in other embodiments, it is the V-arrangement groove to press from both sides tight recess, and the part that the activity compact heap stretches into and presss from both sides tight recess is the V-arrangement structure with pressing from both sides tight recess adaptation, and at this moment, with putting into of activity compact heap press from both sides the back in the tight recess, V-arrangement on the activity clamp piece can and press from both sides tight.
In this embodiment, the base includes the horizontal arm and is in two vertical arms at horizontal arm both ends respectively, and the side of the vertical arm of horizontal arm dorsad constitutes the abrasive paper holding surface presss from both sides tight recess setting on two vertical arms, and in other embodiments, the base includes the horizontal arm and is in the vertical arm in the middle of the horizontal arm, and the side of the vertical arm of horizontal arm dorsad constitutes the abrasive paper holding surface, presss from both sides tight recess setting on the side of the horizontal arm's the sand paper holding surface dorsad.
In this embodiment, two vertical arms are connected respectively to the both ends of handle, form between handle and the horizontal arm and hold the space, and in other embodiments, the base includes horizontal arm and the vertical arm that is in the middle of the horizontal arm to the cross-section of vertical arm is square and structural dimension great, and at this moment, the handle setting is at the top of vertical arm.
In this embodiment, the clamping groove extends along the width direction of the vertical arm, and in other embodiments, the clamping groove may also extend along an inclined direction forming a certain included angle with the width direction.
In this embodiment, the groove bottom of the clamping groove on the vertical arm extends to both sides in the width direction to form a connecting lug, and the connecting screw penetrates through the end of the movable clamping block and is connected with the corresponding connecting lug.
In this embodiment, the base or the handle is provided with a connecting structure for connecting with the polishing device, and in other embodiments, the base or the handle may not be provided with a connecting structure for connecting with the polishing device, and at this time, the polisher can only be manually operated.
Claims (10)
1. A sander for sanding, comprising:
a base having a sandpaper supporting surface for supporting sandpaper;
the clamping grooves are arranged on the base and are positioned at two ends of the sand paper supporting surface;
the movable clamping block is connected to the base through a connecting bolt and can be close to and far away from the bottom of the clamping groove, and a clamping gap for allowing the sand paper to pass through is formed between the movable clamping block and the bottom of the clamping groove;
the movable clamping block is provided with a pressing structure for pressing the sand paper penetrating through the clamping gap at the bottom of the groove;
the handle is fixedly arranged on the base and is convenient to polish by hand.
2. A sander for sanding as defined in claim 1, wherein the pressing structure is a pressing block attached to the movable clamping block by a holding screw, the pressing block being located between the movable clamping block and the bottom of the clamping groove and being adapted to press the sandpaper against the bottom of the groove by the pressing block when the holding screw is tightened.
3. A sander for sanding as defined in claim 2, wherein the movable clamping block is elongated and is connected to the base by two end positions, and the pressing block is connected to the movable clamping block at a middle position.
4. A sander for grinding with sandpaper as set forth in any of claims 1 to 3, wherein the base comprises a horizontal arm and two vertical arms at both ends of the horizontal arm, respectively, the side of the horizontal arm facing away from the vertical arms constituting said sandpaper supporting surface, and clamping recesses are provided on both vertical arms.
5. A sander for sanding as defined in claim 4, wherein the handle is connected at each end to the two vertical arms, and a holding space is formed between the handle and the horizontal arms.
6. A sander for sanding as defined in claim 4, wherein the clamping recess extends the width of the vertical arm.
7. A sander for sanding as defined in claim 4, wherein the bottom of the clamping groove in the vertical arm has engaging lugs extending widthwise therefrom, and the engaging screw is inserted through the end of the movable clamping block and engages the corresponding engaging lugs.
8. A sander for sanding as defined in claim 1, wherein the hold-down structure is the side of the movable clamping block facing the recess.
9. A sander for grinding with sandpaper as set forth in any of claims 1-3, wherein said sandpaper supporting surface is a plane or an arc whose axis extends in the width direction.
10. A sander for sanding as defined in any of claims 1-3, wherein the base or handle is further provided with attachment structure for attachment to sanding equipment.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2019208882446 | 2019-06-13 | ||
| CN201920888244 | 2019-06-13 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210173347U true CN210173347U (en) | 2020-03-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920927026.9U Active CN210173347U (en) | 2019-06-13 | 2019-06-19 | Sander for abrasive paper grinding |
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| CN (1) | CN210173347U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114905381A (en) * | 2022-06-09 | 2022-08-16 | 石赵 | Deburring equipment for processing wooden products |
-
2019
- 2019-06-19 CN CN201920927026.9U patent/CN210173347U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114905381A (en) * | 2022-06-09 | 2022-08-16 | 石赵 | Deburring equipment for processing wooden products |
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