CN210147794U

CN210147794U - Safe and rapid polishing mounting fixture

Info

Publication number: CN210147794U
Application number: CN201920100716.7U
Authority: CN
Inventors: 何德忠
Original assignee: Jiangxi Lide Transmission Equipment Co Ltd
Current assignee: Jiangxi Lide Transmission Equipment Co Ltd
Priority date: 2019-01-21
Filing date: 2019-01-21
Publication date: 2020-03-17
Anticipated expiration: 2029-01-21

Abstract

The utility model relates to the technical field of accessories of fixing devices, in particular to a safe and quick polishing mounting fixture, which can improve the applicability of the fixing device to stones with different sizes by flexibly adjusting the size of the fixing device, thereby enhancing the use convenience of the safe and quick polishing mounting fixture; the protective device is additionally arranged to reduce the adverse effect of stone scraps splashed in the stone polishing process on the personal safety of workers, so that the use safety of the rapid polishing safety mounting clamp is enhanced; comprises an operating platform and four groups of supporting legs; the left end of the left part area of the positioning frame is provided with an adjusting threaded hole in a penetrating way, and a sliding cavity is arranged inside the power rod; the device also comprises a baffle, a positioning block, a lifting rod, a control rod, a supporting plate, a control threaded rod and a rotating block.

Description

Safe and rapid polishing mounting fixture

Technical Field

The utility model relates to a fixing device auxiliary device's technical field especially relates to a safe quick sectional fixture polishes.

Background

As is well known, when a stone is machined by a grinding machine, if the position of the stone moves, the grinding quality of the stone is affected, and the stone needs to be firmly fixed by a special fixture during machining, wherein the fixture for safely and quickly installing grinding is a device for stably positioning the stone in the process of grinding the stone by the grinding machine, and is widely used in the field of stone machining; the existing safe and rapid installation clamp for polishing comprises an operation table, four groups of supporting legs and a fixing clamp, wherein the top end of the operation table is screwed with the bottom end of the fixing clamp, and the left front side, the left rear side, the right front side and the right rear side of the bottom end of the operation table are respectively connected with the top ends of the four groups of supporting legs; when the existing safe and rapid polishing mounting fixture is used, a fixing clamp which is in accordance with the direction of a processed stone is selected firstly, then the fixing clamp is mounted on an operation table, the stone to be processed is fixed on the fixing clamp, and finally a worker can polish the stone through a polishing machine; the existing safe and quick polishing mounting clamp is found in use, because stones with different sizes need to be fixed with the corresponding fixing clamps, the fixing clamps with different sizes need to be repeatedly disassembled and assembled on an operation table when the stones with different sizes are processed, so that the safe and quick polishing mounting clamp is poor in use convenience, and poor in practicability; and the staff can splash out the stone piece in the department of polishing of stone material when polishing the stone material through the polisher, and these stone piece that splash can cause harmful effects to staff's personal safety, therefore make the safety in utilization of the quick mounting fixture of polishing relatively poor to lead to the use limitation higher.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides a fixing device which can improve the applicability of the fixing device to stones with different sizes by flexibly adjusting the size of the fixing device, thereby enhancing the use convenience of the safe and quick polishing mounting clamp and further enhancing the practicability; and reduce the stone material piece that splashes among the stone material polishing process and to the harmful effects that staff's personal safety caused through addding protector, therefore the safety in utilization of the safe quick sectional fixture of reinforcing to reduce the safe quick sectional fixture of polishing that uses the limitation.

The utility model discloses a safe and rapid installation fixture for polishing, which comprises an operation table and four groups of supporting legs, wherein the left front side, the left rear side, the right front side and the right rear side of the bottom end of the operation table are respectively connected with the top ends of the four groups of supporting legs; the bottom end and the top end of the fixed rod are respectively connected with the left side of the top end of the operating table and the middle area of the bottom end of the positioning frame, the front end of the right area of the positioning frame is connected with the middle area of the rear end of the positioning frame, the rear end of the left area of the rotating frame is hinged with the front end of the middle area of the positioning frame, the rear end of the right area of the rotating frame is hinged with the middle area of the front end of the movable clamp, the left end of the left area of the positioning frame is provided with an adjusting threaded hole in a penetrating manner, the front end of the adjusting threaded rod penetrates through the adjusting threaded hole from the rear side of the positioning frame and extends to the front side of the positioning frame, the rear end of the pushing plate is provided with a pushing groove, the pushing bearing is fixedly clamped with the pushing groove, and the pushing bearing is fixedly sleeved with the front end of the adjusting threaded rod, the front end of the pushing plate is provided with a connecting rod, the right end of the power rod is connected with the middle area of the left end of the rotating frame, a sliding cavity is arranged inside the power rod, the rear end of the sliding cavity is communicated with a sliding hole, the sliding block is slidably clamped with the sliding cavity, the rear end of the sliding block is provided with a driving rod, and the rear end of the driving rod is hinged with the front end of the connecting rod; the bottom end of the positioning block is connected with the right side of the top end of the operating table, a lifting hole is formed in the top end of the positioning block, a control sliding hole is formed in the middle area of the right end of the lifting hole in a communicated mode, the bottom end of the lifting rod penetrates into the lifting hole from the upper side of the positioning block, the top end of the lifting rod is connected with the middle area of the bottom end of the positioning block, the left end of the control rod penetrates through the control sliding hole from the right side of the positioning block and extends into the lifting hole, the left end of the control rod is connected with the bottom area of the right end of the lifting rod, the left end of the supporting plate is connected with the top area of the right end of the positioning block, a control threaded hole is formed in the top end of the supporting plate in a penetrating mode, the bottom end of the control threaded rod penetrates through the control threaded hole from the upper side, the inside of control lever is provided with rotates the chamber, the top intercommunication in rotation chamber is provided with the patchhole, the turning block rotates with the rotation chamber and clamps, the bottom of control threaded rod passes the patchhole and stretches into the inside in rotation chamber from the upside of control lever, the bottom of control threaded rod is connected with the top of turning block.

The utility model discloses a safe quick sectional fixture polishes still includes four groups and rotates threaded rod and four groups of firm pads, the bottom of four groups of landing legs is provided with four groups respectively and rotates the screw hole, four groups rotate the top of threaded rod respectively from the downside of four groups of landing legs screw dress penetrate to four groups rotate threaded rod downthehole respectively, four groups of firm top middle parts regions that fill up are connected with four groups of bottoms that rotate the threaded rod respectively.

The utility model discloses a safe quick sectional fixture polishes still includes and rotates the handle, the front end right side of rotating the handle is connected with adjusting threaded rod's rear end.

The utility model discloses a safe quick sectional fixture polishes still includes stop nut, stop nut and adjusting threaded rod spiral shell dress, stop nut's rear end is hugged closely with the regional front end in left part of locating rack.

The utility model discloses a safe quick sectional fixture polishes still includes adjust knob, adjust knob's bottom middle part is regional to be connected with control threaded rod's top.

The utility model discloses a safe quick sectional fixture polishes still includes first slipmat and second slipmat, the rear end of the front end activity clamp of first slipmat is connected, the rear end of second slipmat is connected with the front end of location clamp.

The utility model discloses a safe quick sectional fixture polishes still includes pivot and helmet, it is provided with handheld pole and installation pole to rotate the handle, the rear end left side of installation pole is run through and is provided with the rotation hole, the rear end of pivot is passed from the front side of installation pole and is rotated the hole and stretch out to the rear side of installation pole, the front end and the rear end of pivot are connected with the rear end of helmet and the front end of handheld pole respectively.

The utility model discloses a safe quick sectional fixture polishes still includes four sets of slipmats, the top of four sets of slipmats is connected with the bottom of four sets of firm pads respectively.

Compared with the prior art, the beneficial effects of the utility model are that: firstly, placing the stone to be processed on the top end of an operation table, wherein the stone is positioned between a positioning clamp and a movable clamp, the rear end of the stone is tightly attached to the front end of the positioning clamp, then rotating an adjusting threaded rod to enable the adjusting threaded rod to rotate on an adjusting threaded hole of a positioning frame, meanwhile, the adjusting threaded rod transversely moves back and forth on the positioning frame, the adjusting threaded rod drives a pushing plate to transversely move back and forth through a pushing bearing, then the pushing plate drives a power rod to transversely move back and forth through a sliding block, simultaneously, the sliding block finely adjusts and slides left and right in the power rod while transversely moving back and forth, at the same time, the power rod drives a rotating frame to rotate around the hinged part of the rotating frame and the positioning frame, then the rotating frame pushes the movable clamp to tightly clamp the stone between the movable clamp and the positioning clamp, and stops rotating the adjusting threaded rod after the stone is clamped, thereby improving the applicability of the fixing device to the stones with different sizes through flexibly, therefore, the use convenience of the safe and quick polishing mounting clamp is enhanced, and the practicability is enhanced; and according to the position of polishing that the stone material is actual, at first, rotate the control threaded rod and make the control threaded rod rotate at the control screw hole of backup pad, at this moment the control threaded rod just drives control lever longitudinal movement through the turning block, at this moment the control lever then drives the lifter at the vertical removal of locating piece, the lifter then drives baffle longitudinal adjustment protection height this moment, after the baffle is adjusted to suitable height, the rotation stop control threaded rod can, thereby the stone material piece that splashes among the stone material polishing process has been reduced through addding protector causes the harmful effects to staff's personal safety, therefore the safety in utilization of safe sectional fixture of polishing has been strengthened, use limitation has been reduced.

Drawings

Fig. 1 is a schematic structural diagram of the present invention;

FIG. 2 is a schematic view of the connection structure of the rotating frame and the positioning frame of the present invention;

in the drawings, the reference numbers: 1. an operation table; 2. four groups of supporting legs; 3. a positioning frame; 4. fixing the rod; 5. Positioning clips; 6. a rotating frame; 7. a movable clamp; 8. adjusting the threaded rod; 9. a push plate; 10. Pushing the bearing; 11. a slider; 12. a power rod; 13. a baffle plate; 14. positioning blocks; 15. a lifting rod; 16. a control lever; 17. a support plate; 18. controlling the threaded rod; 19. rotating the block; 20. four groups of rotating threaded rods; 21. four groups of stabilizing pads; 22. rotating the handle; 23. a limit nut; 24. adjusting a knob; 25. a first non-slip mat; 26. a second non-slip mat; 27. a rotating shaft; 28. a protective cap; 29. four groups of anti-skid pads.

Detailed Description

The following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.

As shown in fig. 1 to 2, the safe and fast installation fixture for grinding of the utility model comprises an operation table 1 and four groups of supporting legs 2, wherein the left front side, the left rear side, the right front side and the right rear side of the bottom end of the operation table 1 are respectively connected with the top ends of the four groups of supporting legs; the positioning device also comprises a positioning frame 3, a fixed rod 4, a positioning clamp 5, a rotating frame 6, a movable clamp 7, an adjusting threaded rod 8, a pushing plate 9, a pushing bearing 10, a sliding block 11 and a power rod 12, wherein the bottom end and the top end of the fixed rod 4 are respectively connected with the left side of the top end of the operating platform 1 and the middle area of the bottom end of the positioning frame 3, the front end of the right area of the positioning frame is connected with the middle area of the rear end of the positioning clamp 5, the rear end of the left area of the rotating frame 6 is hinged with the front end of the middle area of the positioning frame 3, the rear end of the right area of the rotating frame 6 is hinged with the middle area of the front end of the movable clamp 7, the left end of the left area of the positioning frame 3 is provided with an adjusting threaded hole in a penetrating manner, the front end of the adjusting threaded rod 8 penetrates through the adjusting threaded hole from the rear side of the positioning frame 3 and extends out of the front side of, the pushing bearing 10 is fixedly sleeved with the front end of the adjusting threaded rod 8, the front end of the pushing plate 9 is provided with a connecting rod, the right end of the power rod 12 is connected with the middle area of the left end of the rotating frame 6, a sliding cavity is arranged inside the power rod 12, the rear end of the sliding cavity is communicated with a sliding hole, the sliding block 11 is clamped with the sliding cavity in a sliding mode, the rear end of the sliding block 11 is provided with a driving rod, and the rear end of the driving rod is hinged with the front end of the connecting rod; the bottom end of the positioning block 14 is connected with the right side of the top end of the operating platform 1, a lifting hole is formed in the top end of the positioning block 14, a control sliding hole is formed in the middle area of the right end of the lifting hole in a communicated mode, the bottom end of the lifting rod 15 penetrates into the lifting hole from the upper side of the positioning block 14, the top end of the lifting rod 15 is connected with the middle area of the bottom end of the positioning block 13, the left end of the control rod 16 penetrates through the control sliding hole from the right side of the positioning block 14 and extends into the lifting hole, the left end of the control rod 16 is connected with the bottom area of the right end of the lifting rod 15, the left end of the supporting plate 17 is connected with the top area of the right end of the positioning block 14, a control threaded hole is formed in the top end of the supporting plate 17 in a penetrating mode, the bottom end of the control threaded rod 18 penetrates through the control threaded hole from the upper side, a rotating cavity is arranged in the control rod 16, the top end of the rotating cavity is communicated with an insertion hole, a rotating block 19 is rotatably clamped with the rotating cavity, the bottom end of the control threaded rod 18 penetrates through the insertion hole from the upper side of the control rod 16 and extends into the rotating cavity, and the bottom end of the control threaded rod 18 is connected with the top end of the rotating block 19; firstly, placing the stone to be processed on the top end of an operation table, wherein the stone is positioned between a positioning clamp and a movable clamp, the rear end of the stone is tightly attached to the front end of the positioning clamp, then rotating an adjusting threaded rod to enable the adjusting threaded rod to rotate on an adjusting threaded hole of a positioning frame, meanwhile, the adjusting threaded rod transversely moves back and forth on the positioning frame, the adjusting threaded rod drives a pushing plate to transversely move back and forth through a pushing bearing, then the pushing plate drives a power rod to transversely move back and forth through a sliding block, simultaneously, the sliding block finely adjusts and slides left and right in the power rod while transversely moving back and forth, at the same time, the power rod drives a rotating frame to rotate around the hinged part of the rotating frame and the positioning frame, then the rotating frame pushes the movable clamp to tightly clamp the stone between the movable clamp and the positioning clamp, and stops rotating the adjusting threaded rod after the stone is clamped, thereby improving the applicability of the fixing device to the stones with different sizes through flexibly, therefore, the use convenience of the safe and quick polishing mounting clamp is enhanced, and the practicability is enhanced; and according to the position of polishing that the stone material is actual, at first, rotate the control threaded rod and make the control threaded rod rotate at the control screw hole of backup pad, at this moment the control threaded rod just drives control lever longitudinal movement through the turning block, at this moment the control lever then drives the lifter at the vertical removal of locating piece, the lifter then drives baffle longitudinal adjustment protection height this moment, after the baffle is adjusted to suitable height, the rotation stop control threaded rod can, thereby the stone material piece that splashes among the stone material polishing process has been reduced through addding protector causes the harmful effects to staff's personal safety, therefore the safety in utilization of safe sectional fixture of polishing has been strengthened, use limitation has been reduced.

The utility model discloses a safe and fast installation fixture for polishing, which also comprises four groups of rotating threaded rods 20 and four groups of stabilizing pads 21, wherein the bottom ends of four groups of supporting legs 2 are respectively provided with four groups of rotating threaded holes, the top ends of the four groups of rotating threaded rods 20 are respectively screwed into the four groups of rotating threaded holes from the lower sides of the four groups of supporting legs 2, and the middle areas of the top ends of the four groups of stabilizing pads 21 are respectively connected with the bottom ends of the four groups of rotating threaded rods 20; the four groups of rotating threaded rods are respectively rotated in the four groups of rotating threaded holes of the four groups of supporting legs, so that the four groups of rotating threaded rods change the extension lengths outside the four groups of supporting legs, the stability adjustment of the device is realized, and the stability of the device is enhanced by the stabilizing pad, so that the use limitation is reduced.

The safe and rapid polishing mounting fixture of the utility model also comprises a rotating handle 22, the right side of the front end of the rotating handle 22 is connected with the rear end of the adjusting threaded rod 8; the adjustment of the adjusting threaded rod by rotating the handle is more labor-saving, thereby enhancing the practicability.

The safe and rapid polishing mounting fixture of the utility model also comprises a limit nut 23, the limit nut 23 is screwed with the adjusting threaded rod 8, and the rear end of the limit nut 23 is closely attached to the front end of the left area of the positioning frame 3; after the stone material is fixed and fastened by rotating the adjusting threaded rod, the limiting nut is screwed on the adjusting threaded rod at the moment, the probability that the adjusting threaded rod is loosened on the positioning frame can be effectively reduced, and therefore the practicability is enhanced.

The safe and rapid polishing mounting fixture of the utility model also comprises an adjusting knob 24, and the middle area of the bottom end of the adjusting knob 24 is connected with the top end of the control threaded rod 18; the rotation of the control threaded rod is more convenient through the adjusting knob, so that the convenience is enhanced.

The safe and rapid polishing mounting fixture of the utility model also comprises a first non-slip mat 25 and a second non-slip mat 26, wherein the rear end of the front movable clamp 7 of the first non-slip mat 25 is connected, and the rear end of the second non-slip mat 26 is connected with the front end of the positioning clamp 5; through the effectual probability that has reduced the stone material and slided between location clamp and the activity clamp of two sets of slipmats to the practicality has been strengthened.

The utility model discloses a safe quick sectional fixture polishes, still include pivot 27 and helmet 28, rotate handle 22 and be provided with handheld pole and installation pole, the rear end left side of installation pole is run through and is provided with the rotation hole, the rear end of pivot 27 passes the rotation hole and stretches out to the rear side of installation pole from the front side of installation pole, the front end and the rear end of pivot 27 are connected with the rear end of helmet 28 and the front end of handheld pole respectively; when rotating the rotation handle, handheld pole rotates on the installation pole through the pivot, and the effectual damage that has reduced the hand and received when rotating the rotation handle to the practicality has been strengthened.

The safe and rapid polishing mounting fixture of the utility model also comprises four groups of anti-skid pads 29, wherein the top ends of the four groups of anti-skid pads 29 are respectively connected with the bottom ends of the four groups of stabilizing pads 21; the friction force between the four groups of fixing pads and the placing surface is increased through the four groups of anti-slip pads, so that the practicability is enhanced.

The utility model relates to a safe and fast installation fixture for polishing, when in operation, firstly, four groups of rotating threaded rods are respectively rotated in four groups of rotating threaded holes of four groups of supporting legs, at the moment, the four groups of rotating threaded rods change the extension lengths outside the four groups of supporting legs respectively, at the moment, the stability adjustment of the device is realized, then, stone materials to be processed are placed at the top end of an operation table, the stone materials are positioned between a positioning clamp and a movable clamp, at the moment, the rear end of the stone materials is clung to the front end of the positioning clamp, then, the adjusting threaded rods are rotated by rotating a rotating handle to enable the adjusting threaded rods to rotate on adjusting threaded holes of a positioning frame, meanwhile, the adjusting threaded rods transversely move back and forth on the positioning frame, at the moment, the adjusting threaded rods drive a push plate to transversely move back and forth through a push bearing, then, the push plate drives a power rod to transversely move back and forth, at this moment, the power rod then drives the rotating frame and rotates round the articulated department of rotating frame and locating rack, then the rotating frame then promotes the activity and presss from both sides the tight card of stone material between activity clamp and locating clamp, treat that the stone material presss from both sides after tight stop rotation adjusting threaded rod can, according to the position of polishing of stone material reality, at first make the control threaded rod rotate at the control screw hole of backup pad through adjusting knob rotation control threaded rod, at this moment control threaded rod just drives control lever longitudinal movement through the rotating block, at this moment the control lever then drives the lifter longitudinal movement in the locating block, at this moment the lifter then drives baffle longitudinal adjustment protection height, after the baffle is adjusted to suitable height, stop rotation control threaded rod can, at last staff alright have polished the stone material through the polisher.

The terms "front", "rear", "left", "right" and the like as used herein are for illustrative purposes only.

In the present invention, the terms "first" and "second" do not denote any particular quantity or order, but are merely used to distinguish names.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.

Claims

1. A safe and rapid installation clamp for polishing comprises an operation table (1) and four groups of supporting legs (2), wherein the left front side, the left rear side, the right front side and the right rear side of the bottom end of the operation table (1) are respectively connected with the top ends of the four groups of supporting legs; the novel adjustable screw rod positioning device is characterized by further comprising a positioning frame (3), a fixing rod (4), a positioning clamp (5), a rotating frame (6), a movable clamp (7), an adjusting threaded rod (8), a pushing plate (9), a pushing bearing (10), a sliding block (11) and a power rod (12), wherein the bottom end and the top end of the fixing rod (4) are respectively connected with the left side of the top end of an operating table (1) and the middle area of the bottom end of the positioning frame (3), the front end of the right area of the positioning frame is connected with the middle area of the rear end of the positioning clamp (5), the rear end of the left area of the rotating frame (6) is hinged to the front end of the middle area of the positioning frame (3), the rear end of the adjusting threaded rod (8) penetrates through the adjusting threaded rod from the rear side of the positioning frame (3) and extends to the positioning frame (3) The rear end of the pushing plate (9) is provided with a pushing groove, the pushing bearing (10) is fixedly clamped with the pushing groove, the pushing bearing (10) is fixedly sleeved with the front end of the adjusting threaded rod (8), the front end of the pushing plate (9) is provided with a connecting rod, the right end of the power rod (12) is connected with the middle area of the left end of the rotating frame (6), a sliding cavity is arranged inside the power rod (12), the rear end of the sliding cavity is communicated with a sliding hole, the sliding block (11) is slidably clamped with the sliding cavity, the rear end of the sliding block (11) is provided with a driving rod, and the rear end of the driving rod is hinged with the front end of the connecting rod; the lifting device is characterized by further comprising a baffle (13), a positioning block (14), a lifting rod (15), a control rod (16), a supporting plate (17), a control threaded rod (18) and a rotating block (19), wherein the bottom end of the positioning block (14) is connected with the right side of the top end of the operating platform (1), the top end of the positioning block (14) is provided with a lifting hole, the middle area of the right end of the lifting hole is communicated with a control sliding hole, the bottom end of the lifting rod (15) penetrates into the lifting hole from the upper side of the positioning block (14), the top end of the lifting rod (15) is connected with the middle area of the bottom end of the baffle (13), the left end of the control rod (16) penetrates through the control sliding hole from the right side of the positioning block (14) and extends into the lifting hole, the left end of the control rod (16) is connected with the bottom area of the right end of the lifting rod (15), and the left end of the supporting, the top of backup pad (17) runs through and is provided with the control screw hole, the bottom of control threaded rod (18) is from the upside spiral shell dress of backup pad (17) pass the control screw hole and stretch out to the downside of backup pad (17), the inside of control lever (16) is provided with rotates the chamber, the top intercommunication in rotation chamber is provided with the patchhole, turning block (19) rotate with rotating the chamber and clamp, the bottom of control threaded rod (18) is from the upside of control lever (16) pass the patchhole and stretch into to the inside in rotation chamber, the bottom of control threaded rod (18) is connected with the top of turning block (19).

2. A sanding safety quick installation jig according to claim 1, further comprising four sets of rotary threaded rods (20) and four sets of stabilizing pads (21), wherein the four sets of legs (2) are provided with four sets of rotary threaded holes at the bottom ends thereof, the four sets of rotary threaded rods (20) are screwed into the four sets of rotary threaded holes from the lower sides of the four sets of legs (2), respectively, and the four sets of stabilizing pads (21) are connected to the four sets of rotary threaded rods (20) at the middle areas of the top ends thereof, respectively.

3. A sanding safety quick installation jig according to claim 2 further comprising a turning handle (22), the right side of the front end of the turning handle (22) being connected to the rear end of the adjusting screw rod (8).

4. A sanding safety quick installation jig as claimed in claim 3 further comprising a limit nut (23), wherein the limit nut (23) is threadedly mounted with the adjusting threaded rod (8), and the rear end of the limit nut (23) is closely attached to the front end of the left region of the locating bracket (3).

5. A sanding safety quick installation jig according to claim 4 further comprising an adjustment knob (24), the bottom end mid-region of the adjustment knob (24) being connected to the top end of the control threaded rod (18).

6. A sanding safety quick installation clamp as claimed in claim 5, further comprising a first anti-slip pad (25) and a second anti-slip pad (26), wherein the rear end of the front movable clamp (7) of the first anti-slip pad (25) is connected, and the rear end of the second anti-slip pad (26) is connected with the front end of the positioning clamp (5).

7. A sanding safety quick installation fixture as claimed in claim 6, further comprising a rotating shaft (27) and a protective cap (28), wherein the rotating handle (22) is provided with a hand-held rod and a mounting rod, a rotating hole is provided through the left side of the rear end of the mounting rod, the rear end of the rotating shaft (27) passes through the rotating hole from the front side of the mounting rod and extends to the rear side of the mounting rod, and the front end and the rear end of the rotating shaft (27) are respectively connected with the rear end of the protective cap (28) and the front end of the hand-held rod.

8. A sanding safety quick installation clamp as claimed in claim 7 further comprising four sets of anti-slip pads (29), the top ends of the four sets of anti-slip pads (29) being connected to the bottom ends of the four sets of stabilizing pads (21), respectively.