CN209615102U

CN209615102U - Sander

Info

Publication number: CN209615102U
Application number: CN201822060425.8U
Authority: CN
Inventors: 赵华
Original assignee: Chengdu Jinchenshi Furniture Co Ltd
Current assignee: Chengdu Jinchenshi Furniture Co Ltd
Priority date: 2018-12-07
Filing date: 2018-12-07
Publication date: 2019-11-12
Anticipated expiration: 2028-12-07

Abstract

The utility model relates to a kind of sanders, belong to grinding apparatus field.Including body, organism bottom is provided with pedestal, supporting body is provided between pedestal and body, drive rod and compression bar are set on supporting body, the rotation of supporting body width direction is provided with rotating bar in supporting body, the side wall that one end of rotating bar passes through supporting body extends hand-held part in the form of annular discs, multiple apertures are circumferentially equipped on hand-held part along hand-held part, the lateral wall of supporting body, which is provided with, identical with aperture size abuts mouth, rotating bar is abutted to abutting mouth across aperture by bolt and is fixed, the guide groove for passing through and rotating for rotating bar is provided in supporting body, the opening of guide groove is set to supporting body roof, the clamping bar for clamping polishing paper is hinged with along rotating bar length direction in rotating bar, it is connected between clamping bar and rotating bar by torsional spring.In the use process of such sander, the polishing paper of base bottom can be tensed, so that polishing paper can be bonded after being clamped with base bottom.

Description

Sander

Technical field

The utility model relates to grinding apparatus field more particularly to a kind of sanders.

Background technique

Sander full name reciprocating motor grinder for polishing (also known as Filing apparatus), be widely used in die industry finishing and Surface polishing treatment is the substitute of a similar pneumatic product.Sander is mainly used for the finishing of die industry.

In the prior art, Authorization Notice No. is the Chinese patent of CN101495270B, is disclosed a kind of with novel abrasive The hand sander of piece tension device.This kind has a grinding with the hand sander of novel abrasive sheet tension device Piece supporting body simultaneously has some for securely clamping the opposite grindings for the abrasive sheet that can be supported on the abrasive sheet supporting body The clamping device of piece end, wherein the first clamping device can be to leaving together with the abrasive sheet end being clamped in thereon It is moved by the direction of another abrasive sheet end of the second gripping apparatus grips so that the abrasive sheet is tightened up, also, first presss from both sides Device is held with spring.It is recommended that the first clamping device is pushed up with preloaded force to a rigidity in final tension position On stop element.But abrasive sheet need to be smoothed out with the fingers flat in polishing motor spindle after being clamped by the first clamping device in abrasive sheet, manpower is smoothed out with the fingers The flat abrasive sheet that may be such that polishing motor spindle and polishing motor spindle have gap, and then impact to part to be measured polishing.

Utility model content

The purpose of this utility model is to provide a kind of sander, has and tense polishing paper, so that organism bottom and polishing The advantages of paper is bonded.

The above-mentioned purpose of the utility model has the technical scheme that

A kind of sander, including body, organism bottom are provided with pedestal, and supporting body is provided between pedestal and body, carrying Clamping device is provided on body, clamping device includes positioned at the drive rod of supporting body length direction and positioned at supporting body width direction Compression bar, supporting body width direction is provided with rotating bar in the supporting body, one end of the rotating bar and supporting body it is interior Side wall rotation connection, the side wall that the other end of the rotating bar passes through supporting body extend hand-held part in the form of annular discs, the hand It holds and is circumferentially equipped with multiple apertures in portion along hand-held part, the lateral wall of the supporting body is provided with abut identical with aperture size Mouthful, the rotating bar is abutted to abutting mouth across aperture by bolt and is fixed, and is provided in the supporting body and is passed through for rotating bar And the guide groove of rotation, the opening of the guide groove are set to supporting body roof, along rotating bar length direction in the rotating bar Be hinged with the clamping bar for clamping polishing paper, the clamping bar is arc-shaped and be bonded with rotating bar, the clamping bar with turn It is connected between lever by torsional spring.

Implement above-mentioned technical proposal, the one end for paper of polishing is clamped on the compression bar far from clamping bar one end, rotation rotation Bar, so that the clamping bar in rotating bar is opposite with the opening of guide groove, then passes through aperture insertion for bolt and support interface, so that turning Lever is not able to rotate, then the paper one end opposite on compression bar with being clamped in that will polish is protruded into from the opening of guide groove, moves clamping Bar, the paper that will polish is clamped in the side wall of rotating bar, then bolt is rotated rotating bar by hand-held part from mouth separation is abutted, when beating When mill paper is bonded with base bottom, then the clamping device that clamping bar one end is provided on supporting body is pushed down into polishing paper, so that beating Mill paper can be preferably bonded with the bottom of pedestal during the clamping device at carried body both ends is pushed down, so that polishing The grinding effect of paper is more preferable.

Further, the clamping bar includes the first clamping bar and the second clamping for being vertically set on the first clamping bar both ends Bar, first clamping bar are arranged along rotating bar length direction, and second clamping bar is arranged along rotating bar radian direction, described The one end of second clamping bar far from the first clamping bar and rotating bar surface are hinged, and second clamping bar passes through with rotating bar surface Torsional spring connection.

Implement above-mentioned technical proposal, the polishing paper for protruding into guide groove is pressed on the side wall of rotating bar by the second clamping bar, by It is connect with rotating bar surface by torsional spring in the first clamping bar, torsional spring will restore elasticity, so that the first clamping bar is not stressing When the paper that can will be polished by the second clamping bar be clamped in the surface of rotating bar.

Further, clamping bar length direction is provided with knob on first clamping bar.

Implement above-mentioned technical proposal, by the setting of knob, can enable it is more convenient when moving the first clamping bar, The case where avoiding the first clamping bar from being attached to rotating bar surface, and cannot breaking into two with one's hands appearance.

Further, the mouth inner sidewall opposite with bolt tail portion that abut is provided with the first magnet block, the tail of the bolt Portion is provided with the second magnet block, and first magnet block can be adsorbed mutually with the second magnet block.

Implement above-mentioned technical proposal, bolt passes through aperture and abuts to abutting in mouth, to prevent bolt in fixed rotating bar The case where loosening, occurs, and the first magnet block of setting is capable of fixing bolt with the second magnet block to abut in mouth, so that slotting Pin will not be loosened from mouth is abutted.

Further, the organism sidewall is provided with protective cover, and the polishing opposite with polishing paper is provided on the protective cover Mouthful, the protective cover is bolted with body.

Implement above-mentioned technical proposal, is polishing paper after the installation is completed, protective cover is fixed by bolts in organism sidewall, In Sander is polished during part to be measured, and shield can prevent the dust of polishing from spreading in workshop, is avoided to work people Member's body impacts.

Further, the two sides of the guide groove length direction are provided with dust-exhausting port, and the dust-exhausting port is arranged in guide groove side The position of the close guiding groove bottom wall of wall.

Implement above-mentioned technical proposal, sander polish part to be measured when the dust that generates shrouded in protective cover so that grey Dirt enters in guide groove from the opening of guide groove, by the setting of dust-exhausting port, the dust in guide groove can be enable to pass through dust discharge Mouthful discharge, the case where avoiding in guide groove dust accumulation too many and rotating bar is not able to rotate appearance.

Further, be provided on the supporting body side wall opposite with body clamping drive rod baffle, the baffle with Supporting body is vertical.

Implement above-mentioned technical proposal, drive rod can make to drive after driving compression bar compresses polishing paper by the setting of baffle Bar limit will not drive compression bar far from paper of polishing, avoid pressing toward moving outside body in baffle when preventing drive rod from moving outward Bar does not press tightly the appearance of the case where polishing paper.

In conclusion the utility model has the following beneficial effects:

The one end for paper of polishing is clamped on compression bar, rotating bar is rotated, so that the clamping bar and guide groove in rotating bar Opening is opposite, then bolt is passed through aperture insertion and supports interface, so that rotating bar is not able to rotate, then by polishing paper and is clamped in pressure Opposite one end is protruded into from the opening of guide groove on bar, moves clamping bar, paper of polishing is clamped in the side wall of rotating bar, then will Bolt rotates rotating bar by hand-held part from mouth separation is abutted, when paper of polishing is bonded with base bottom, then will be another on supporting body The clamping device of one end pushes down polishing paper, so that polishing paper can be more preferable during the clamping device at carried body both ends is pushed down Be bonded with the bottom of pedestal so that polishing paper grinding effect it is more preferable.

Detailed description of the invention

Fig. 1 is the overall structure diagram of the utility model；

Fig. 2 is the side structure schematic diagram of the utility model；

Fig. 3 is the portion the A enlarged drawing in Fig. 2；

Fig. 4 is the utility model bolt and abut the configuration schematic diagram between mouth；

Fig. 5 is the top view that the utility model hides protective cover.

Appended drawing reference: 1, body；11, pedestal；12, supporting body；121, mouth is abutted；1211, the first magnet block；122, it is oriented to Slot；1221, dust-exhausting port；123, baffle；13, protective cover；2, clamping device；21, compression bar；22, drive rod；3, rotating bar；31, hand Hold portion；311, aperture；4, bolt；41, the second magnet block；5, clamping bar；51, the first clamping bar；511, it shakes hands；52, the second folder Tight bar；6, torsional spring；7, bolt.

Specific embodiment

Below in conjunction with attached drawing, the technical solution of the utility model embodiment is described.

As shown in Figure 1, a kind of sander, including body 1,1 side wall of body are provided with protective cover 13, protective cover 13 is along body It is fixed by bolt 7 that the polishing mouth opposite with pedestal 11, protective cover 13 and body 1 are provided in 1 circumferential setting and protective cover 13.

As shown in Figure 2 and Figure 3,1 bottom of body is provided with pedestal 11, and supporting body 12 is provided between pedestal 11 and body 1, is held Clamping device 2 is provided on carrier 12, clamping device 2 includes drive rod 22 and compression bar 21, and drive rod 22 is along 12 length of supporting body Direction setting, compression bar 21 are arranged along 12 width direction of supporting body, and the baffle 123 for abutting drive rod 22 is provided on supporting body 12, Baffle 123 along 12 length direction of supporting body be arranged and it is vertical with supporting body 12.Rotating bar 3, rotating bar 3 are provided in supporting body 12 Parallel with compression bar 21, one end of rotating bar 3 and the inner sidewall of supporting body 12 are rotatablely connected, and one end of rotating bar 3 passes through supporting body 12 side wall extends hand-held part 31 in the form of annular discs, aperture 311 is provided on hand-held part 31, aperture 311 is along the circle of hand-held part 31 Week setting is multiple, the side wall of supporting body 12 be provided with it is identical with 311 size of aperture abuts mouth 121, rotating bar 3 passes through bolt 4 It is abutted across aperture 311 fixed without being able to rotate to mouth 121 is abutted.

As shown in figure 4, bolt 4 includes head and tail portion, the cross-sectional area on 4 head of bolt is greater than the transversal of 4 tail portion of bolt Area, the tail portion of bolt 4 are provided with the second magnet block 41, abut the side wall opposite with 4 tail portion of bolt of mouth 121 and are provided with and second The first magnet block 1211 that magnet block 41 adsorbs.

As shown in Figure 2 and Figure 3, the guide groove 122 placed for rotating bar 3 is provided in supporting body 12, rotating bar 3 can led Rotated into slot 122, the two sides of 122 length direction of guide groove are provided with dust-exhausting port 1221(and see Fig. 4), the setting of dust-exhausting port 1221 exists 122 side wall of guide groove is close to the position of 122 bottom wall of guide groove.The opening setting of guide groove 122 is opposite in supporting body 12 and body 1 Roof on, be hinged with the clamping bar 5 for clamping polishing paper in rotating bar 3, clamping bar 5 includes the first clamping bar 51 and vertical Second clamping bar 52 at 51 both ends of the first clamping bar is set, and the first clamping bar 51 is arranged along 3 length direction of rotating bar, the second folder Tight bar 52 is arranged along 3 radian direction of rotating bar, and the first clamping bar 51 is bonded with the side wall of the second clamping bar 52 and rotating bar 3, The both ends of the one end of second clamping bar 52 far from the first clamping bar 51 and rotating bar 3 are hinged and are provided with torsional spring 6 between the two, turn round One end of spring 6 is connect with the second clamping bar 52, and the one end of torsional spring 6 far from the second clamping bar 52 is connect with 3 surface of rotating bar.First First clamping bar, 51 length direction is provided with knob 511 on clamping bar 51.

Under the description of above structure, polishing paper is clamped in (see figure 5) on compression bar 21 far from one end of clamping bar, is passed through Hand-held part 31 rotates rotating bar 3, so that the clamping bar 5 in rotating bar 3 is opposite with the opening of guide groove 122, then bolt 4 is passed through Aperture 311 on hand-held part 31 is inserted at the abutting mouth 121 of 12 side wall of supporting body, so that rotating bar 3 is not able to rotate, then will polishing Paper, will by 511 the first clamping bar 51 of lifting of knob far from being protruded by one end that compression bar 21 compresses from the opening of guide groove 122 Polishing paper, which is put under the first clamping bar 51, to be pushed down, and is fixed the avoidable polishing paper of rotating bar 3 at this time and is clamped by the first clamping bar 51 During, rotating bar 3 rotates the case where cannot being gripped to so as to cause polishing paper appearance.

Bolt 4 is separated from mouth 121 is abutted again, rotating bar 3 is rotated by hand-held part 31, when rotating bar 3 turns to polishing When paper is bonded with 11 bottom of pedestal, then bolt 4 is passed through into aperture 311 and is abutted to abutting at mouth 121, the fixation of rotating bar 3 is made it It no longer rotates, then the clamping device 2 being located at rotating bar 3 on supporting body 12 is pushed down into polishing paper, so that polishing paper is in carried The clamping device 2 at 12 both ends of body can be preferably bonded with the bottom of pedestal 11 during pushing down, so that polishing paper is beaten It is more preferable to grind effect.

Claims

1. a kind of sander, including body (1), body (1) bottom is provided with pedestal (11), is set between pedestal (11) and body (1) It is equipped with supporting body (12), is provided on supporting body (12) clamping device (2), clamping device (2) includes being located at supporting body (12) length It spends the drive rod (22) in direction and is located at the compression bar (21) of supporting body (12) width direction, characterized in that the supporting body (12) It is interior to be provided with rotating bar (3) along supporting body (12) width direction, one end of the rotating bar (3) and the inner sidewall of supporting body (12) Rotation connection, the side wall that the other end of the rotating bar (3) passes through supporting body (12) extend hand-held part in the form of annular discs (31), It is circumferentially equipped with multiple apertures (311) on the hand-held part (31) along hand-held part (31), the lateral wall of the supporting body (12) is set Be equipped with it is identical with aperture (311) size abut mouth (121), the rotating bar (3) by bolt (4) pass through aperture (311) support It is fixed to be connected to abutting mouth (121), is provided with the guide groove (122) for passing through and rotating for rotating bar (3) in the supporting body (12), The opening of the guide groove (122) is set to supporting body (12) roof, along rotating bar (3) length direction on the rotating bar (3) It is hinged with the clamping bar (5) for clamping polishing paper, the clamping bar (5) is arc-shaped and is bonded with rotating bar (3), the folder Tight bar (5) is connect between rotating bar (3) by torsional spring (6).

2. sander according to claim 1, characterized in that the clamping bar (5) includes the first clamping bar (51) and hangs down Straight setting is in second clamping bar (52) at the first clamping bar (51) both ends, and first clamping bar (51) is along rotating bar (3) length Direction setting, second clamping bar (52) are arranged along rotating bar (3) radian direction, and second clamping bar (52) is far from first One end of clamping bar (51) and rotating bar (3) surface are hinged, and second clamping bar (52) and rotating bar (3) surface pass through torsional spring (6) it connects.

3. sander according to claim 2, characterized in that along clamping bar (5) length on first clamping bar (51) Direction is provided with knob (511).

4. sander according to claim 1, characterized in that described to abut mouth (121) interior opposite with bolt (4) tail portion Side wall is provided with the first magnet block (1211), and the tail portion of the bolt (4) is provided with the second magnet block (41), first magnet Block (1211) can be adsorbed mutually with the second magnet block (41).

5. sander according to claim 1, characterized in that body (1) side wall is provided with protective cover (13), described The polishing mouth opposite with polishing paper is provided on protective cover (13), the protective cover (13) and body (1) are solid by bolt (7) It is fixed.

6. sander according to claim 5, characterized in that the two sides of guide groove (122) length direction are provided with Dust-exhausting port (1221), the dust-exhausting port (1221) setting is in guide groove (122) side wall close to the position of guide groove (122) bottom wall.

7. sander according to claim 1, characterized in that on the supporting body (12) and body (1) opposite side wall It is provided with the baffle (123) of clamping drive rod (22), the baffle (123) is vertical with supporting body (12).