CN218341737U - Polishing device for precision machining - Google Patents

Abstract

The utility model discloses a grinding device for precision finishing, including U type frame, panel and casing, the panel sets up in the casing upper end, and the rubber cover is installed to the casing lower extreme, forms sealed air cavity between rubber cover and the casing, is equipped with the regulating plate of adjusting the atmospheric pressure intensity in the air cavity, all is equipped with abrasive paper on the top surface of panel and the bottom surface of rubber cover, and abrasive paper is fixed through a plurality of hold-down mechanism locks, installs the inserted bar on the top surface of U type frame. The utility model discloses simple structure, the part can carry out the flexibility and polish, great increase the area of polishing, and can remove the regulating plate through adjustment mechanism, the regulating plate can change the pressure of air cavity, thereby change the hardness of rubber cover, with the degree that changes the part embedding, adaptability has been increased, the abrasive paper and the panel contact of top, it keeps parallel to enable abrasive paper through the panel, can not warp because of the extrusion, the part can carry out rigid polishing, and the rigidity is polished and the flexibility is polished and can be replaced, thereby adapt to different parts.

Description

Polishing device for precision machining

Technical Field

The utility model relates to a processing polishing technical field, concretely relates to a grinding device for precision finishing.

Background

The mechanical part, also called mechanical element, is the basic element that constitutes the machine and is a non-detachable single piece that constitutes the machine and the machine. In the field of traditional machining, for machining of mechanical parts, it is necessary to polish the surfaces of the mechanical parts after the mechanical parts are obtained, so as to ensure that the surfaces of the mechanical parts are in a smooth state and improve the precision of the mechanical parts.

At present, the simple structure of equipment of polishing can only carry out rigid polishing, can not carry out flexible polishing, when polishing some arc materials, and the area of contact with the arc material is not enough, influences the efficiency of polishing, and rigid polishing and flexible polishing between can not adjust, influence the adaptability of using.

Disclosure of Invention

The utility model aims to solve the technical problem that a grinding device for precision finishing is provided to solve the problem that proposes in the above-mentioned background art.

The utility model discloses a realize through following technical scheme: the utility model provides a grinding device for precision finishing, including U type frame, panel and casing, the panel sets up in the casing upper end, the rubber cover is installed to the casing lower extreme, form sealed air cavity between rubber cover and the casing, be equipped with the regulating plate of regulation atmospheric pressure intensity in the air cavity, the adjustment mechanism that drives the regulating plate and reciprocate is installed to the casing upper end, install the polylith backup pad between casing and the panel, all be equipped with abrasive paper on the top surface of panel and the bottom surface of rubber cover, the equal crooked setting in outer lane of abrasive paper, and all fix through a plurality of hold-down mechanism locks, U type frame sets up in the outside of casing, all embedded the first bearing of installing on the both sides pole of U type frame, the axostylus axostyle is all installed to the inner circle department of first bearing to the outer lane face of casing, axostylus axostyle one end is all installed in the inner circle of first bearing, and all outwards extend and install the locating plate, all be equipped with first screw hole on the locating plate, U type frame is located the top and the below of first bearing and all is equipped with the second screw hole, equal threaded connection has first hand bolt in the equal threaded connection in the second screw hole that corresponds in first hand in first screw hole, install the top surface of U type frame.

According to a preferable technical scheme, the adjusting mechanism comprises a center block, a rotating ring, a stud and a second bearing, the second bearing is installed at the center of the adjusting plate in an embedded mode, a third screw hole is formed in the top face of the shell, which is opposite to the inner ring of the second bearing, the stud is connected into the third screw hole in a threaded mode, the lower end of the stud is installed in the inner ring of the second bearing, the upper end of the stud is connected with the center block, the rotating ring is arranged outside the center block, and a plurality of connecting rods are installed between the rotating ring and the center block.

As preferred technical scheme, hold-down mechanism all includes that the second hand twists the bolt, L template and fixed plate, and the L template all sets up in abrasive paper's the outside, all is equipped with the fourth screw hole on the horizontal one end of L template, and the fixed plate is all installed in one of the vertical of L template and is served, and fixed plate one end is installed in casing or backup pad, and the second hand is twisted the equal threaded connection of bolt and is in the third screw hole, and the crooked one end of abrasive paper is all put on the fixed plate to all compress tightly fixedly through the second hand is twisted the bolt.

Preferably, a rubber layer is mounted on an outer ring surface of the adjusting plate, and the rubber layer abuts against an inner wall surface of the housing.

The utility model has the advantages that: the utility model discloses simple structure, the abrasive paper of below is installed in the outside of rubber cover, after arc part and abrasive paper contact, the part can extrude abrasive paper and rubber cover, make abrasive paper take place deformation, make the part can polish with the mode of an embedding, make the part carry out flexible polishing, great increase the area of polishing, and can remove the regulating plate through adjustment mechanism, the regulating plate can change the pressure in air cavity, thereby change the hardness of rubber cover, with the degree that changes the part embedding, adaptability has been increased, the abrasive paper of top and panel contact, it keeps the parallel to enable abrasive paper through the panel, can not warp because of the extrusion, the part can carry out rigid polishing, and after rotating, the rigidity is polished and the flexible replacement of polishing can be accomplished, thereby adapt to different parts, further increase adaptability.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is a schematic structural diagram of the adjusting mechanism of the present invention.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it is to be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are merely for convenience of description and for simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

In the description of the present invention, it should be noted that unless otherwise explicitly stated or limited, the terms "mounted," "connected" and "disposed" are to be construed broadly, and may for example be fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

As shown in fig. 1 and 2, the utility model discloses a grinding device for precision finishing, including U type frame 1, panel 2 and casing 3, panel 2 sets up in casing 3 upper end, rubber cover 4 is installed to 3 lower extremes of casing, form sealed air cavity 5 between rubber cover 4 and the casing 3, be equipped with the regulating plate 6 of adjusting the atmospheric pressure intensity in the air cavity 5, the adjustment mechanism that drives the regulating plate and reciprocate is installed to casing 3 upper end, install polylith backup pad 22 between casing 3 and the panel 2, all be equipped with abrasive paper 14 on the top surface of panel 2 and the bottom surface of rubber cover 4, the equal crooked setting in outer lane of abrasive paper 14, and all fix through a plurality of hold-down mechanism locking, U type frame 1 sets up in the outside of casing 3, all embedded install first bearing 24 on the both sides pole of U type frame 1, casing 3's outer lane department just all installs abrasive paper 17 to first bearing, axostylus axostyle 17 one end is all installed in the inner circle of first bearing 24, and all outwards extend and install locating plate 19, all be equipped with first screw hole on the locating plate, U type frame 1 is located the top of first bearing and all is equipped with first screw hole under the first side and all install axostylus axostyle 18, the first screw hole, the first screw bolt hole is connected with bolt screw bolt hole on the first hand 18, the first side, the first screw bolt hole 21, all is connected with bolt screw bolt hole on the first hand, the first side screw bolt hole 18, the first side screw bolt hole, the first side is connected with bolt hole 18, the first screw bolt hole 18, the first bolt hole, screw bolt hole 18, all installed, screw bolt hole.

In this embodiment, the adjusting mechanism includes a center block 8, a rotating ring 23, a stud 9 and a second bearing 7, the second bearing 7 is embedded in the center of the adjusting plate 6, a third screw hole is provided on the top surface of the housing 3 opposite to the inner ring of the second bearing, the stud 9 is screwed into the third screw hole, the lower end of the stud 9 is installed in the inner ring of the second bearing 7, the upper end is connected with the center block 8, the rotating ring 23 is disposed outside the center block, and a plurality of connecting rods 13 are installed between the rotating ring 23 and the center block 8.

In this embodiment, the pressing mechanisms all include second hand-operated screwing bolts 15, an L-shaped plate 16 and a fixing plate 12, the L-shaped plate 16 is arranged on the outer side of the abrasive paper 14, a fourth screw hole is formed in one transverse end of the L-shaped plate 16, the fixing plate 12 is arranged on one vertical end of the L-shaped plate, one end of the fixing plate 12 is arranged on the shell 3 or the supporting plate 22, the second hand-operated screwing bolts 15 are in threaded connection with the third screw holes, one bent end of the abrasive paper 14 is arranged on the fixing plate 12, and the second hand-operated screwing bolts 15 are pressed and fixed.

In this embodiment, the rubber layer is installed on the outer ring surface of the adjusting plate 6, and the rubber layer abuts against the inner wall surface of the housing 3, so that the sealing performance between the adjusting plate and the housing is improved, wherein the second bearing is a sealing bearing, so that the gas cannot flow to the upper side of the adjusting plate, and the gas below can be extruded through the adjusting plate.

The abrasive paper below the arc-shaped part is arranged outside the rubber cover, after the arc-shaped part is contacted with the lower Fang Shazhi, the part can extrude the abrasive paper and the rubber cover, so that the abrasive paper is deformed, the part can be polished in an embedded mode, the part can be polished flexibly, the polishing area is greatly increased, the hardness of the rubber cover can be changed, when the rubber cover is adjusted, fingers stretch into gaps between the supporting plates, the rotating ring is stirred, the rotating ring rotates to drive the connecting rod and the central block, the stud is driven by the rotation of the central block to move downwards along the third screw hole, the adjusting plate is driven by the movement of the stud, after the adjusting plate moves downwards, the space below the air cavity is reduced, the air pressure inside the rubber cover is increased, the rubber cover can be hardened by expanding the enhanced air pressure, the degree of embedding of the part is changed, and the adaptability is improved;

the abrasive paper above is in contact with the panel, the abrasive paper above can be kept parallel through the panel, deformation caused by extrusion is avoided, and parts can be rigidly polished.

Wherein, the inserted bar can be installed on the electric drill, when using, can select rigidity to polish or the flexibility is polished according to the part, during rotatory, can twist out first hand bolt from the second screw hole, at this moment, the casing just can use the axostylus axostyle as the rotation of center, until make the panel face down or the rubber cover face down, confirm the back, can be again twist first hand bolt in the second screw hole to that, make its location, at this moment, the starter motor, the inserted bar can be driven to the motor, the U type presss from both sides, the casing, panel and abrasive paper, can polish through rotatory abrasive paper.

The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that are not thought of through the creative work should be covered within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the protection scope defined by the claims.

Claims (4)

1. The utility model provides a grinding device for precision finishing which characterized in that: the pneumatic pressure-regulating device comprises a U-shaped frame (1), a panel (2) and a shell (3), wherein the panel (2) is arranged at the upper end of the shell (3), a rubber cover (4) is arranged at the lower end of the shell (3), a sealed air cavity (5) is formed between the rubber cover (4) and the shell (3), an adjusting plate (6) for adjusting air pressure intensity is arranged in the air cavity (5), an adjusting mechanism for driving the adjusting plate to move up and down is arranged at the upper end of the shell (3), a plurality of supporting plates (22) are arranged between the shell (3) and the panel (2), sand paper (14) is arranged on the top surface of the panel (2) and the bottom surface of the rubber cover (4), the outer ring of the sand paper (14) is arranged in a bending mode and is locked and fixed by a plurality of pressing mechanisms, the U-shaped frame (1) is arranged outside the shell (3), first bearings (24) are arranged on two side rods of the U-shaped frame (1) in an embedded mode, first bearing (17) is arranged right opposite to the inner ring of the first bearing, screw holes (19) are arranged on the first bearing, and screw holes (18) are arranged on the first bearing frame (21) and are arranged below the first bearing locating plate (18) and are arranged on the second bearing), one end of each first hand-screwed bolt (18) is connected to the corresponding second screw hole (21) in a threaded mode, and the top face of the U-shaped frame (1) is provided with the inserted rod (11).

2. The polishing apparatus for precision machining as set forth in claim 1, wherein: the adjusting mechanism comprises a center block (8), a rotating ring (23), a stud (9) and a second bearing (7), the second bearing (7) is installed at the center of the adjusting plate (6) in an embedded mode, a third screw hole is formed in the position, right opposite to the inner ring of the second bearing, of the top surface of the shell (3), the stud (9) is connected into the third screw hole in a threaded mode, the lower end of the stud (9) is installed in the inner ring of the second bearing (7), the upper end of the stud is connected with the center block (8), the rotating ring (23) is arranged outside the center block, and a plurality of connecting rods (13) are installed between the rotating ring (23) and the center block (8).

3. The polishing apparatus for precision machining as set forth in claim 1, wherein: hold-down mechanism all includes second-hand screw bolt (15), L template (16) and fixed plate (12), L template (16) all set up in the outside of abrasive paper (14), all be equipped with the fourth screw hole on L template (16) horizontal one end, fixed plate (12) are all installed and are served in the vertical one of L template, fixed plate (12) one end is installed on casing (3) or backup pad (22), second-hand screw bolt (15) of twisting is equal threaded connection in the third screw hole, abrasive paper (14) crooked one end is all put on fixed plate (12), and all compress tightly fixedly through second-hand screw bolt (15).

4. The polishing device for precision machining according to claim 1, characterized in that: the outer ring surface of the adjusting plate (6) is provided with a rubber layer which is abutted against the inner wall surface of the shell (3).

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