CN211388325U

CN211388325U - PVA polishing sheet

Info

Publication number: CN211388325U
Application number: CN201921913698.0U
Authority: CN
Inventors: 王辉
Original assignee: Hubei Moxi High Tech Materials Co ltd
Current assignee: Hubei Moxi High Tech Materials Co ltd
Priority date: 2019-11-07
Filing date: 2019-11-07
Publication date: 2020-09-01
Anticipated expiration: 2029-11-07

Abstract

The utility model discloses a PVA polishing piece, including supporting seat and support card frame, set up the transmission chamber in the bottom support body of support card frame and dispose the removal supporting shoe in the transmission chamber, the top of removing the supporting shoe is connected with drive screw through the bearing frame, a draw-in groove has been seted up respectively to the inboard on the bottom left and right sides wall of direction slider, the inside that the card post set up with the horizontality and its one end corresponds the insertion groove, the other end of card post is outwards worn out and is corresponded the insertion groove of seting up on the support card frame back, still correspond respectively on the upper and lower both sides post wall of card post and linked firmly a synchronous clamp plate, link together through the buffering pressure spring between synchronous clamp plate and the support card frame. The utility model discloses only need operating handle can realize changing the purpose to the dismantlement of PVA polishing piece, no matter be availability factor or result of use all become very convenient.

Description

PVA polishing sheet

Technical Field

The utility model relates to a PVA mounting structure correlation technique field specifically is a PVA polishing piece.

Background

Referring to fig. 1, reference numeral 1 indicates a schematic diagram of a PVA polishing sheet in a driven rotation state of the prior art, the structure in the figure comprises a polishing sheet body 3, a supporting seat 4, a clamping head 5 and a servo motor 6, wherein the clamping head 5 is directly driven by the servo motor 6 to rotate, the polishing sheet body 3 is fixed on the supporting seat 4, the clamping head 5 is fixed with the supporting seat 4 in a welding way, although such PVA polishing sheets can be rotated at high speed, they have a great disadvantage in that they are integrally formed and non-detachable, when polishing piece body 3 takes place wearing and tearing to damage because of long-time work, can't dismantle the change, no matter be availability factor or result of use all very inconvenient, for this reason, the utility model discloses improve, provide one kind and can conveniently dismantle the PVA polishing piece of changing to satisfy higher in-service use demand.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a PVA polishing piece to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

a PVA polishing sheet comprises a polishing sheet body, a supporting seat, a supporting clamping frame and a servo motor, wherein a transmission cavity is formed in a bottom frame body of the supporting clamping frame, a movable supporting block is arranged in the transmission cavity, the top end of the movable supporting block is connected with a transmission screw rod through a bearing seat, the transmission screw rod is in threaded fit with the supporting clamping frame, a handle is arranged at the end part of a rod body of the transmission screw rod, a guide sliding block is fixed on each of the left side wall and the right side wall of the top of the movable supporting block, the guide sliding blocks are correspondingly limited in guide tracks, a clamping groove is formed in each of the left side wall and the right side wall of the bottom of each guide sliding block inwards, the section of each clamping groove is in a right trapezoid shape, a plane abutting edge and an inclined abutting edge are formed in the section of each clamping groove, a clamping column is arranged in a horizontal state, one end of each clamping column is correspondingly inserted, the upper side and the lower side of the clamping column are respectively and correspondingly fixedly connected with a synchronous pressing plate, and the synchronous pressing plates are connected with the supporting clamping frame through a buffering pressure spring.

As a further aspect of the present invention: the polishing sheet body is fixed on the supporting seat, and the supporting clamping frame is directly driven to rotate by the servo motor.

Compared with the prior art, the beneficial effects of the utility model are that: through the integrative undetachable structure of PVA polished section among the prior art change the form of conveniently dismantling the change into, in case polished section when taking place wearing and tearing to damage because of long-time work, only need the whole supporting seat of operating handle can become the active state by fixed state, directly will polish the section body take off the back change can, with this realization to the dismantlement change purpose of PVA polished section, no matter be availability factor or result of use all become very convenient, safety and reliability satisfy higher in-service use demand.

Drawings

FIG. 1 is a schematic view of a PVA polishing sheet in a driven rotation state in the prior art.

FIG. 2 is a schematic view of the structure of the PVA polished wafer in a driving rotation state after modification.

FIG. 3 is a schematic diagram of a movable support block in a PVA polishing sheet in a modified driving rotation state.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1, reference numeral 1 denotes a PVA polishing sheet in a driven rotation state of the prior art, the structure in the figure comprises a polishing sheet body 3, a supporting seat 4, a clamping head 5 and a servo motor 6, wherein the clamping head 5 is directly driven by the servo motor 6 to rotate, the polishing sheet body 3 is fixed on the supporting seat 4, the clamping head 5 is fixed with the supporting seat 4 in a welding way, although such PVA polishing sheets can be rotated at high speed, they have a great disadvantage in that they are integrally formed and non-detachable, when polishing piece body 3 takes place wearing and tearing to damage because of long-time work, can't dismantle the change, no matter be availability factor or result of use all very inconvenient, for this reason, the utility model discloses improve, provide one kind and can conveniently dismantle the PVA polishing piece of changing to satisfy higher in-service use demand.

Referring to fig. 2-3, reference numeral 2 indicates an improved PVA polishing pad in a driving rotation state, the structure in the drawing still includes a polishing pad body 3, a supporting seat 4, a supporting clip frame 7 and a servo motor 6, the polishing pad body 3 is fixed on the supporting seat 4, except that a clip head 5 is improved into the supporting clip frame 7, the supporting clip frame 7 is directly driven by the servo motor 6 to rotate, the supporting clip frame 7 and the supporting seat 4 are detachably installed in a matching manner, a transmission cavity is formed in a bottom frame body of the supporting clip frame 7 and a movable supporting block 9 is arranged in the transmission cavity, the top end of the movable supporting block 9 is connected with a transmission screw 11 through a bearing seat 10, the transmission screw 11 is in a threaded fit with the supporting clip frame 7 and has a handle 12 at the end of a rod body, a guide slider 14 is respectively fixed on the left side wall and the right side wall of the top of the movable supporting block 9, the guide sliding block 14 is correspondingly limited in the guide rail 13, the left side wall and the right side wall of the bottom of the guide sliding block 14 are respectively provided with a clamping groove 901 towards the inner side, the section of the clamping groove 901 is in a right trapezoid shape, the section of the clamping groove 901 is provided with a plane abutting-buckling edge 902 and an inclined abutting-buckling edge 903, the clamping column 8 is arranged in a horizontal state, one end of the clamping column 8 is correspondingly inserted into the clamping groove 901, the other end of the clamping column 8 penetrates out of the support clamping frame 7 and then is correspondingly inserted into the insertion groove 401 formed in the support base 4, the wall surfaces of the upper side column wall and the lower side column wall of the clamping column 8 are respectively and correspondingly fixedly connected with a synchronous pressing plate 16, and the synchronous pressing.

By changing the integral non-detachable structure of the PVA polishing sheet in the prior art into a form convenient to detach and replace, the PVA polishing sheet is provided with a movable supporting block 9, a bearing seat 10, a transmission screw rod 11, a handle 12, a guide rail 13, a guide slider 14, a clamping groove 901, a clamping column 8, a synchronous pressing plate 16, a buffer pressing spring 17 and an inserting groove 401, once the polishing sheet is abraded and damaged due to long-time work, the transmission screw rod 11 is driven to rotate reversely by operating the handle 12, the movable supporting block 9 moves upwards, the movement stability of the movable supporting block 9 is ensured by the cooperation of the guide rail 13 and the guide slider 14, the clamping column 8 originally extruded on the inclined abutting edge 903 slides downwards until the end part of the inner side end of the clamping column 8 is correspondingly buckled on the plane abutting edge 902, the buffer pressing spring 17 in a compressed state resets, the synchronous pressing plate 16 moves inwards under the action, thereby the tip of the card post 8 of the left and right sides breaks away from out from inserting groove 401 with the trend, and whole supporting seat 4 becomes the active state by fixed state, directly with polishing piece body 3 take off after change can to this realizes the dismantlement change purpose to PVA polishing piece, no matter is availability factor or result of use all become very convenient, safe and reliable satisfies higher in-service use demand.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims

1. The PVA polishing sheet comprises a polishing sheet body (3), a supporting seat (4), a supporting clamping frame (7) and a servo motor (6), and is characterized in that a transmission cavity is formed in a bottom frame body of the supporting clamping frame (7), a movable supporting block (9) is configured in the transmission cavity, the top end of the movable supporting block (9) is connected with a transmission screw (11) through a bearing seat (10), the transmission screw (11) is in through fit with the supporting clamping frame (7) in a thread fit mode, a handle (12) is arranged at the end part of a rod body of the transmission screw, a guide sliding block (14) is fixed on each of the left side wall and the right side wall of the top of the movable supporting block (9), the guide sliding block (14) is correspondingly limited in a guide rail (13), a clamping groove (901) is formed in each of the left side wall and the right side wall of the bottom of the guide sliding block (14) inwards, the section of the clamping groove (901) is arranged in a right trapezoid (903) The clamping column (8) is arranged in a horizontal state, one end of the clamping column is correspondingly inserted into the clamping groove (901), the other end of the clamping column (8) penetrates out of the supporting clamping frame (7) and then is correspondingly inserted into the insertion groove (401) formed in the supporting seat (4), the upper side column wall surface and the lower side column wall surface of the clamping column (8) are respectively and correspondingly fixedly connected with a synchronous pressing plate (16), and the synchronous pressing plates (16) are connected with the supporting clamping frame (7) through buffer compression springs (17).

2. A PVA polished rod as defined in claim 1 wherein the polished rod body (3) is fixed on a support (4) and the support holder (7) is directly rotated by a servo motor (6).