CN209239804U - A kind of height-adjustable clamping device of bearing polishing processing - Google Patents

Abstract

It polishes the utility model discloses a kind of bearing and processes height-adjustable clamping device, be related to bearing machining grinding technology field, height-adjustable clamping device is processed in specially a kind of bearing polishing.Height-adjustable clamping device is processed in bearing polishing, including pedestal, fixed ring and positioning lock, fixed ring is provided with above the pedestal, the positioning lock is distributed in the inside of fixed ring, the top end surface of the pedestal is fixed with backboard, and hydraulic push rod is equipped in front of the backboard, and the front end of the rotary cylinder is mounted with turntable, the right end of the fixed ring is provided with screw putter, and the upper and lower ends of the fixed ring are fitted with baffle；Height-adjustable clamping device is processed in bearing polishing, the position of connecting plate horizontal direction can be adjusted by rotating screw putter, to which the position of clamping plate be adjusted, clamp clamping plate by the bearing polished, it operates conveniently, and simple structure, when production it is spent the payment for a piece of handwork it is less.

Description

A kind of height-adjustable clamping device of bearing polishing processing

Technical field

The present invention relates to bearing machining grinding technology field, height-adjustable folder is processed in specially a kind of bearing polishing Hold device.

Background technique

Bearing is a kind of important spare part in contemporary mechanical equipment, its major function is to support mechanical rotary body, is reduced Coefficient of friction in its motion process, and guarantee its rotating accuracy, it polishes, is one kind of process for modifying surface, main purpose is In order to obtain particular surface roughness, the burr or rounded corner of bearing surface can be removed to the polishing of bearing, is able to ascend axis The quality held uses dedicated clamping device that it is fixed the polishing needs of bearing.

Existing clamping device, use is not convenient enough, cannot cause it that cannot be applicable in as needed to being highly adjusted In the grinding apparatus of different model, narrow application range not can be carried out overturning, when polishing the another side of bearing, need elder generation Bearing is removed, then turn-over from device, then return device is installed again, use is not convenient enough, needs to expend to the overturning of bearing A large amount of time and efforts.

The clamping tooling disclosed in Chinese invention patent application prospectus CN206770413U, although using clamping plate and Bolt fixes bearing, improves stability when bearing machining, and can freely adjust height, can cooperate not With the demand of processing tool, but overturning is not can be carried out, polish to the another side of bearing, it is more to add man-hour requirement to expend Time and efforts, benefit inconvenient for use, relatively complicated using step, structure is complicated, and the required payment for a piece of handwork is higher when causing to produce, For this purpose, it is proposed that height-adjustable clamping device is processed in a kind of polishing of bearing.

Summary of the invention

In view of the deficiencies of the prior art, the present invention provides a kind of height-adjustable clampings of bearing polishing processing to fill Set, to solve existing clamping device mentioned above in the background art, use is not convenient enough, cannot as needed to height into Row is adjusted, and causes it to be not applied for the grinding apparatus of different model, narrow application range not can be carried out overturning, to the another of bearing It when being polished on one side, needing first to remove bearing from device, then turn-over, then return device is installed again, use is not convenient enough, The overturning of bearing needs are taken a substantial amount of time and the problem of energy.

In order to achieve the above object, the present invention is achieved by the following technical programs: a kind of bearing polishing processing is with adjustable The clamping device of height, including pedestal, fixed ring and positioning lock are saved, is provided with fixed ring, the positioning above the pedestal Lock is distributed in the inside of fixed ring, and the top end surface of the pedestal is fixed with backboard, and is welding between pedestal and backboard, described Hydraulic push rod is installed in front of backboard, and is connected with rotary cylinder above hydraulic push rod, the front end peace of the rotary cylinder It is equipped with turntable, and turntable is fixedly arranged at the front end with mounting plate, the right end of the fixed ring is provided with screw putter, and screw putter Left end surface is fixed with connecting plate, is punch forming between the connecting plate and screw putter, and the outside of connecting plate is provided with Limiting slot is mounted with clamping plate on the left of the connecting plate, and the right end face of clamping plate is fitted with rubber pad, the inside of the backboard It is provided with slideway, the upper and lower ends of the fixed ring are fitted with baffle, and the front-end surface of baffle is equipped with fixture block.

Optionally, the left and right ends of the fixture block are respectively connected with marble, and are elastic connection between fixture block and marble, described Rotary cylinder is slidably connected by slideway and backboard, and rotary cylinder passes through cooperation and pedestal structure between hydraulic push rod and slideway At sliding lifting structure.

Optionally, the top end surface of the fixed ring is equipped with hinge, and the front-end surface of hinge is fixed with screw, described Card slot is provided with below hinge, and the left and right ends of card slot are mounted with locating slot, the fixed ring is by mounting plate and turns Disk is fixedly connected, and fixed ring passes through the cooperation and backboard composition rotational structure between turntable and rotary cylinder.

Optionally, bolt is connected on the right side of the positioning lock, and positioning lock is located at the back side of baffle, the bottom of the bolt End left side is provided with rack gear, and toothed disc is connected with above rack gear.

Optionally, the front-end surface of the baffle is equipped with handle, and shaft is connected on the right side of handle, the shaft Top is provided with extension board, and reset spring is connected with above extension board, and the surface area of the rubber pad is greater than the table of clamping plate Area, and the vertical centerline between clamping plate about fixed ring is symmetrical.

It optionally, is rotational structure between the screw putter and fixed ring, and clamping plate passes through connecting plate and screw putter Between cooperation and fixed ring constitute translation structure.

Optionally, the left and right ends of the hinge are connected with fixed ring and baffle respectively by screw, and baffle passes through Hinge and fixed ring constitute rotational structure, and baffle is semicircular structure, and the area of baffle is fixed ring inner ring area 50%.

Optionally, the size between the fixture block and card slot matches, and fixture block passes through matching between marble and locating slot Conjunction is flexibly connected with card slot.

Optionally, the handle constitutes rotational structure by shaft and toothed disc, and handle by toothed disc and rack gear it Between cooperation and bolt constitute gear transmission structure, and the size between bolt and positioning lock matches.

The present invention provides a kind of bearing polish process height-adjustable clamping device, have it is following the utility model has the advantages that

1, height-adjustable clamping device is processed in bearing polishing, by hydraulic push rod, rotary cylinder, slideway and is consolidated The setting for determining ring, flexible by hydraulic push rod apply active force to rotary cylinder, so that rotary cylinder be made to carry out in slideway Movement in vertical position makes rotary cylinder that bearing fixed in fixed ring be driven to be able to carry out the adjusting in height, from And enable devices to be suitable for different grinding apparatus, the scope of application of device is improved, by the work of rotary cylinder, is driven Turntable is rotated, so that fixed ring be made to carry out the adjusting in angle, is enabled devices to invert the bearing of clamping, is convenient for Other grinding apparatus polish to the tow sides of bearing, need when saving to the polishing of bearing another side first by it from device On remove, then reverse side, then attach it to the complex steps on device, the time expended when having saved to bearing turning polishing and Energy.

2, height-adjustable clamping device is processed in bearing polishing, passes through screw putter, connecting plate, clamping plate and rubber The setting of pad can be adjusted the position of connecting plate horizontal direction by rotating screw putter, thus to the position of clamping plate It is adjusted, so that clamping plate is clamped the bearing polished, operate conveniently, the training for not needing profession can be right It is operated, and simple structure, when production it is spent the payment for a piece of handwork it is less, to reduce the production cost of device, be convenient for Device is promoted the use of, and rubber pad improves the frictional force between clamping plate and bearing, make bearing will not easily from clamping plate it Between fall off, it is therefore prevented that the case where bearing falls off in the grinding process, while the corner of clamping plate can be prevented the outer wall of bearing It scratches, improves the quality of output bearing from side.

3, height-adjustable clamping device is processed in bearing polishing, passes through the setting of baffle, fixed ring and hinge, gear Plate can provide the upper and lower ends of fixed ring middle (center) bearing support, and screw improve to be connected between hinge and baffle and fixed ring Fastness, hinge can make baffle that the adjusting in angle occur, to enable baffle closure or openness, according to bearing need into The closure or openness of fixed ring upper and lower ends baffle are adjusted in the end face of row polishing.

4, height-adjustable clamping device is processed in bearing polishing, passes through baffle, fixture block, card slot, locating slot and bullet The setting of ball, fixture block and card slot can be such that it is fixed in fixed ring when baffle is opened, and apply active force to baffle, paste baffle Conjunction and fixed ring, to fixture block be filled in card slot, while the marble on fixture block deform, when marble reach at locating slot When, marble bounce, and so that locating slot is passed through marble to the position of fixture block into fixation, will not easily occur when baffle can be made to open The variation of position.

5, height-adjustable clamping device is processed in bearing polishing, passes through baffle, positioning lock, bolt.Toothed disc turns The setting of axis, rack gear, reset spring and extension board, positioning lock and bolt can position it when baffle is closed, turning handle Hand can make shaft that toothed disc be driven to be rotated, so that toothed disc be made to carry out position in horizontal direction by rack drives bolt Adjusting, so that bolt is extracted or is inserted into positioning lock, it is gear-driven so that baffle be made to be able to carry out the adjusting in angle Transmission accuracy and high-efficient, the active force of required consumption when bolt is extracted or is inserted into from positioning lock is saved from side, Operation is simple, and applying active force to handle makes bolt after withdrawing from positioning lock, unclamps handle and is drawn by the elastic force of reset spring Dynamic extension board restores the position of handle so that shaft be made to rotate, so that the position of bolt be made to restore, saving will be kept off The step of pushing handle, bolt is made to reinsert positioning lock is needed when plate closes.

Detailed description of the invention

Fig. 1 is schematic view of the front view of the present invention.

Fig. 2 is baffle opening structure schematic diagram of the present invention.

Fig. 3 is baffle closing structure schematic diagram of the present invention.

Fig. 4 is handle side structural schematic diagram of the present invention.

Fig. 5 is enlarged structure schematic diagram at A of the present invention.

In figure: 1, pedestal；2, backboard；3, hydraulic push rod；4, rotary cylinder；5, turntable；6, mounting plate；7, fixed ring；8, Clamping plate；9, limiting slot；10, connecting plate；11, screw putter；12, baffle；13, slideway；14, rubber pad；15, hinge；16, spiral shell Silk；17, fixture block；18, marble；19, card slot；20, locating slot；21, positioning lock；22, bolt；23, handle；24, shaft；25, prolong Stretch plate；26, reset spring；27, toothed disc；28, rack gear.

Specific embodiment

Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.

In the description of the present invention, unless otherwise indicated, the meaning of " plurality " is two or more；Term " on ", The orientation or positional relationship of the instructions such as "lower", "left", "right", "inner", "outside", " front end ", " rear end ", " head ", " tail portion " is It is based on the orientation or positional relationship shown in the drawings, is merely for convenience of description of the present invention and simplification of the description, rather than instruction or dark Show that signified device or element must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as pair Limitation of the invention, in addition, term " first ", " second ", " third " etc. are used for description purposes only, and should not be understood as instruction or Imply relative importance.

In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " connected " " connects Connect " it shall be understood in a broad sense, for example, it may be being fixedly connected, it may be a detachable connection, or be integrally connected；It can be machine Tool connection, is also possible to be electrically connected；It can be directly connected, it can also indirectly connected through an intermediary, for this field For those of ordinary skill, the concrete meaning of above-mentioned term in the present invention can be understood with concrete condition.

Please refer to Fig. 1 to Fig. 5, the present invention provides a kind of technical solution: a kind of bearing polishing processing is with height-adjustable Clamping device, including pedestal 1, fixed ring 7 and positioning lock 21, the top of pedestal 1 are provided with fixed ring 7, and positioning lock 21 is distributed in The inside of fixed ring 7, the top end surface of pedestal 1 are fixed with backboard 2, and are welding, the front of backboard 2 between pedestal 1 and backboard 2 Hydraulic push rod 3 being installed, and the top of hydraulic push rod 3 is connected with rotary cylinder 4, the front end of rotary cylinder 4 is mounted with turntable 5, And turntable 5 is fixedly arranged at the front end with mounting plate 6, the right end of fixed ring 7 is provided with screw putter 11, and the left end table of screw putter 11 Face is fixed with connecting plate 10, is punch forming between connecting plate 10 and screw putter 11, and the external setting of connecting plate 10 is limited Position slot 9, the left side of connecting plate 10 is mounted with clamping plate 8, and the right end face of clamping plate 8 is fitted with rubber pad 14, and the inside of backboard 2 is set It is equipped with slideway 13, the upper and lower ends of fixed ring 7 are fitted with baffle 12, and the front-end surface of baffle 12 is equipped with fixture block 17, card The left and right ends of block 17 are respectively connected with marble 18, and are elastic connection between fixture block 17 and marble 18, and rotary cylinder 4 passes through slideway 13 are slidably connected with backboard 2, and rotary cylinder 4 constitutes sliding with pedestal 1 by the cooperation between hydraulic push rod 3 and slideway 13 and rises Structure drops, and flexible by hydraulic push rod 3 applies active force to rotary cylinder 4, so that rotary cylinder 4 be made to carry out in slideway 13 Movement in vertical position makes rotary cylinder 4 that bearing fixed in fixed ring 7 be driven to be able to carry out the adjusting in height, To enable devices to be suitable for different grinding apparatus, the scope of application of device, the top end surface installation of fixed ring 7 are improved There is hinge 15, and the front-end surface of hinge 15 is fixed with screw 16, the lower section of hinge 15 is provided with card slot 19, and a left side for card slot 19 Right both ends are mounted with locating slot 20, and fixed ring 7 is fixedly connected by mounting plate 6 with turntable 5, and fixed ring 7 passes through 5 He of turntable Cooperation and backboard 2 between rotary cylinder 4 constitute rotational structure, by the work of rotary cylinder 4, turntable 5 are driven to be rotated, It to make fixed ring 7 carry out the adjusting in angle, enables devices to invert the bearing of clamping, is convenient for other grinding apparatus It polishes the tow sides of bearing, needs first to remove it from device when saving to the polishing of bearing another side, then instead Face, then the complex steps on device are attached it to, the time and efforts expended when having saved to bearing turning polishing；

The right side of positioning lock 21 is connected with bolt 22, and positioning lock 21 is located at the back side of baffle 12, and the bottom end of bolt 22 is left Side is provided with rack gear 28, and the top of rack gear 28 is connected with toothed disc 27, and the front-end surface of baffle 12 is equipped with handle 23, and handle The right side of hand 23 is connected with shaft 24, and the top of shaft 24 is provided with extension board 25, and the top of extension board 25 is connected with reset Spring 26, the surface area of rubber pad 14 are greater than the surface area of clamping plate 8, and the vertical centerline pair between clamping plate 8 about fixed ring 7 Claim, rubber pad 14 improves the frictional force between clamping plate 8 and bearing, so that bearing is not easily fallen off between clamping plate 8, prevent The case where bearing falls off in the grinding process, while can prevent the corner of clamping plate 8 from scratching the outer wall of bearing, from side The quality of output bearing is improved, is rotational structure between screw putter 11 and fixed ring 7, and clamping plate 8 passes through 10 He of connecting plate Cooperation and fixed ring 7 between screw putter 11 constitute translation structure, can be to 10 water of connecting plate by rotation screw putter 11 Square to position be adjusted, to the position of clamping plate 8 be adjusted, the axis for enabling clamping plate 8 that will polish Clamping is held, is operated conveniently, the training for not needing profession can operate on it, and simple structure, and when production is spent The payment for a piece of handwork is less, to reduce the production cost of device, is promoted the use of convenient for device, and the left and right ends of hinge 15 pass through Screw 16 is connected with fixed ring 7 and baffle 12 respectively, and baffle 12 constitutes rotational structure by hinge 15 and fixed ring 7, and And baffle 12 is semicircular structure, and the area of baffle 12 is the 50% of 7 inner ring area of fixed ring, baffle 12 can be to fixation The upper and lower ends of 7 middle (center) bearing of ring provide support, screw 16 improve connected between hinge 15 and baffle 12 and fixed ring 7 it is secured Property, hinge 15 can make baffle 12 that the adjusting in angle occur, to enable 12 closure or openness of baffle, according to bearing needs The closure or openness of 7 upper and lower ends baffle 12 of fixed ring are adjusted in the end face polished, between fixture block 17 and card slot 19 Size match, and fixture block 17 is flexibly connected by cooperation between marble 18 and locating slot 20 with card slot 19, and baffle 12 is opened Fixture block 17 and card slot 19 can be such that it is fixed in fixed ring 7 when opening, and apply active force to baffle 12, make the fitting of baffle 12 and consolidate Determine ring 7, to fixture block 17 be filled in card slot 19, while the marble 18 on fixture block 17 deform, is positioned when marble 18 reach When at slot 20, marble 18 are bounced, and so that locating slot 20 is passed through marble 18 to the position of fixture block 17 into fixation, baffle 12 can be made to open The variation of position easily occurs for Shi Buhui；

Handle 23 constitutes rotational structure by shaft 24 and toothed disc 27, and handle 23 by toothed disc 27 and rack gear 28 it Between cooperation and bolt 22 constitute gear transmission structure, and the size between bolt 22 and positioning lock 21 matches, baffle 12 Positioning lock 21 and bolt 22 can position it when closure, and swing handle 23 can make shaft 24 that toothed disc 27 be driven to carry out Rotation enables bolt 22 so that toothed disc 27 be made to drive bolt 22 to carry out the adjusting of position in horizontal direction by rack gear 28 It extracts or is inserted into positioning lock 21, so that baffle 12 be made to be able to carry out the adjusting in angle, gear-driven transmission accuracy and effect Rate is high, and the active force of required consumption when bolt 22 is extracted or is inserted into from positioning lock 21 is saved from side, and operation is simple, Applying active force to handle 23 makes bolt 22 after withdrawing from positioning lock 21, unclamps handle 23 and is drawn by the elastic force of reset spring 26 Dynamic extension board 25 restores the position of handle 23 so that shaft 24 be made to rotate, so that the position of bolt 22 be made to restore, saves It has saved and has needed the step of pushing handle 23, bolt 22 is made to reinsert positioning lock 21 when closing baffle 12.

In conclusion height-adjustable clamping device is processed in bearing polishing, when use: mounting a device onto first On suitable grinding apparatus, pedestal 1 provides support to device, by rotation screw putter 11 to the position of 10 horizontal direction of connecting plate It sets and is adjusted, so that the position of clamping plate 8 be adjusted, clamp clamping plate 8 by the bearing polished, operation is just Benefit, the training for not needing profession can operate on it, and simple structure, when production it is spent the payment for a piece of handwork it is less, from And the production cost of device is reduced, it is promoted the use of convenient for device, rubber pad 14 improves rubbing between clamping plate 8 and bearing Power is wiped, bearing is made easily not fall off between clamping plate 8, it is therefore prevented that the case where bearing falls off in the grinding process, simultaneously It can prevent the corner of clamping plate 8 from scratching the outer wall of bearing, the quality of output bearing be improved from side, further according to buffed surface pair The closure or openness of 7 upper and lower ends baffle 12 of fixed ring are controlled, and swing handle 23 makes shaft 24 that toothed disc 27 be driven to carry out Rotation enables bolt 22 so that toothed disc 27 be made to drive bolt 22 to carry out the adjusting of position in horizontal direction by rack gear 28 It extracts or is inserted into positioning lock 21, to make baffle 12 be able to carry out the adjusting on closure or openness, by what is polished The baffle 12 of one end is opened, and fixture block 17 and card slot 19 can be such that it is fixed in fixed ring 7 when baffle 12 is opened, and is applied to baffle 12 Add active force, makes the fitting of baffle 12 and fixed ring 7, to fixture block 17 be filled in card slot 19, while the marble 18 on fixture block 17 It deforms, when marble 18 reach at locating slot 20, marble 18 are bounced, and make position of the locating slot 20 by marble 18 to fixture block 17 It sets into fixation, can make baffle 12 that the variation of position will not easily occur when opening；

When needing the another side to bearing to polish, the baffle 12 of buffed surface one end before is closed, baffle 12 closes Positioning lock 21 and bolt 22 position it when conjunction, then pass through the work of rotary cylinder 4, and turntable 5 is driven to be rotated, thus So that fixed ring 7 is carried out the adjusting in angle, enables devices to invert the bearing of clamping, then by the baffle of another side 12 It opens, then polishes the bearing inside fixed ring 7, complete the use process of entire clamping device like this.

The foregoing is only a preferred embodiment of the present invention, but scope of protection of the present invention is not limited thereto, Anyone skilled in the art in the technical scope disclosed by the present invention, according to the technique and scheme of the present invention and its Inventive concept is subject to equivalent substitution or change, should be covered by the protection scope of the present invention.

Claims (9)

1. height-adjustable clamping device, including pedestal (1), fixed ring (7) and positioning lock are processed in a kind of bearing polishing (21), it is characterised in that: be provided with fixed ring (7) above the pedestal (1), the positioning lock (21) is distributed in fixed ring (7) top end surface of inside, the pedestal (1) is fixed with backboard (2), and is welding, institute between pedestal (1) and backboard (2) It states and is equipped in front of backboard (2) hydraulic push rod (3), and be connected with rotary cylinder (4) above hydraulic push rod (3), described time The front end of rotaring cylinder (4) is mounted with turntable (5), and turntable (5) is fixedly arranged at the front end with mounting plate (6), the right side of the fixed ring (7) End is provided with screw putter (11), and the left end surface of screw putter (11) is fixed with connecting plate (10), the connecting plate (10) It is punch forming between screw putter (11), and the outside of connecting plate (10) is provided with limiting slot (9), the connecting plate (10) Left side be mounted with clamping plate (8), and the right end face of clamping plate (8) is fitted with rubber pad (14), the inside setting of the backboard (2) Have slideway (13), the upper and lower ends of the fixed ring (7) are fitted with baffle (12), and the front-end surface of baffle (12) is equipped with Fixture block (17).

2. height-adjustable clamping device is processed in a kind of bearing polishing according to claim 1, it is characterised in that: institute The left and right ends for stating fixture block (17) are respectively connected with marble (18), and are elastic connection between fixture block (17) and marble (18), described Rotary cylinder (4) is slidably connected by slideway (13) with backboard (2), and rotary cylinder (4) passes through hydraulic push rod (3) and slideway (13) cooperation and pedestal (1) between constitute sliding lifting structure.

3. height-adjustable clamping device is processed in a kind of bearing polishing according to claim 1, it is characterised in that: institute The top end surface for stating fixed ring (7) is equipped with hinge (15), and the front-end surface of hinge (15) is fixed with screw (16), the conjunction It is provided with card slot (19) below page (15), and the left and right ends of card slot (19) are mounted with locating slot (20), the fixed ring (7) it is fixedly connected by mounting plate (6) with turntable (5), and fixed ring (7) passes through matching between turntable (5) and rotary cylinder (4) It closes and constitutes rotational structure with backboard (2).

4. height-adjustable clamping device is processed in a kind of bearing polishing according to claim 1, it is characterised in that: institute It states and is connected on the right side of positioning lock (21) bolt (22), and positioning lock (21) is located at the back side of baffle (12), the bolt (22) Bottom end on the left of be provided with rack gear (28), and toothed disc (27) are connected with above rack gear (28).

5. height-adjustable clamping device is processed in a kind of bearing polishing according to claim 2, it is characterised in that: institute The front-end surface for stating baffle (12) is equipped with handle (23), and shaft (24), the shaft are connected on the right side of handle (23) (24) top is provided with extension board (25), and reset spring (26), the rubber pad are connected with above extension board (25) (14) surface area is greater than the surface area of clamping plate (8), and the vertical centerline between clamping plate (8) about fixed ring (7) is symmetrical.

6. height-adjustable clamping device is processed in a kind of bearing polishing according to claim 2, it is characterised in that: institute Stating is rotational structure between screw putter (11) and fixed ring (7), and clamping plate (8) passes through connecting plate (10) and screw putter (11) Between cooperation and fixed ring (7) constitute translation structure.

7. height-adjustable clamping device is processed in a kind of bearing polishing according to claim 3, it is characterised in that: institute The left and right ends for stating hinge (15) are connected with fixed ring (7) and baffle (12) respectively by screw (16), and baffle (12) is logical It crosses hinge (15) and fixed ring (7) and constitutes rotational structure, and baffle (12) is semicircular structure, and the area of baffle (12) It is the 50% of fixed ring (7) inner ring area.

8. height-adjustable clamping device is processed in a kind of bearing polishing according to claim 2, it is characterised in that: institute The size stated between fixture block (17) and card slot (19) matches, and fixture block (17) passes through between marble (18) and locating slot (20) Cooperation is flexibly connected with card slot (19).

9. height-adjustable clamping device is processed in a kind of bearing polishing according to claim 5, it is characterised in that: institute It states handle (23) and constitutes rotational structure by shaft (24) and toothed disc (27), and handle (23) passes through toothed disc (27) and rack gear (28) cooperation and bolt (22) between constitute gear transmission structure, and the size phase between bolt (22) and positioning lock (21) It coincide.