CN213081098U

CN213081098U - Device for polishing surface of part

Info

Publication number: CN213081098U
Application number: CN202022068088.4U
Authority: CN
Inventors: 林江; 廖勇军; 翟春涛; 朱涛; 郑崇福
Original assignee: Chengdu Tianhetong Technology Co ltd
Current assignee: Chengdu Tianhetong Technology Co ltd
Priority date: 2020-09-21
Filing date: 2020-09-21
Publication date: 2021-04-30
Anticipated expiration: 2030-09-21

Abstract

The application provides an apparatus for part surface finish, includes: fixture, plane polishing mechanism and edge polishing mechanism. The clamping mechanism comprises a bottom plate, a baffle is arranged at the front end of the bottom plate, a pressure rod penetrates through the rear end of the bottom plate, the pressure rod is perpendicular to the baffle and is positioned between clamping blocks, a bidirectional screw rod penetrates through the bottom plate in a rotating mode, the bidirectional screw rod is divided into two sections by a middle point, the rotating directions of the two sections of threads are opposite and perpendicular to the pressure rod, the clamping blocks are respectively connected to one section of the two sections of threads, a pair of clamping blocks can be simultaneously opened or simultaneously clamped by rotating the bidirectional screw rod, and the; the plane polishing mechanism comprises a cylindrical polishing wheel; the polishing mechanism comprises a pair of conical polishing wheels; the conical polishing wheel and the cylindrical polishing wheel are parallel to the bidirectional screw rod, are positioned above the bottom plate and have adjustable distance with the bottom plate. The clamping of the small-size block-shaped part is facilitated, the plane and the edge can be polished simultaneously, and the polishing precision of the part is guaranteed simultaneously.

Description

Device for polishing surface of part

Technical Field

The utility model belongs to machine part processing field especially relates to a device for part surface finish.

Background

For parts with higher precision requirements, polishing is usually adopted to make the surface smoother after machining, and for small block parts, which are inconvenient to clamp due to small volume, most of the small block parts are polished by a hand-held polishing machine, or polished by holding the parts by hands and moving the parts on a polishing wheel. The mode not only makes the operator easily receive the scratch of the polishing wheel; moreover, the plane precision of the polished surface is easy to reduce, the cambered surface and the concave-convex surface of the polished surface are produced, and meanwhile, the polishing of the edge part is easy to lead the fillet sizes of all positions of the same edge to be inconsistent, thereby reducing the product quality.

SUMMERY OF THE UTILITY MODEL

For solving prior art not enough, the utility model provides a device for part surface finish, the centre gripping of the part of being convenient for can polish plane and edge simultaneously, through the removal orbit of guide rail control centre gripping back part, effectively guarantees plane degree and edge fillet size everywhere, the polishing quality of effectual improvement part.

In order to realize the purpose of the utility model, the following scheme is proposed:

an apparatus for surface polishing a part, comprising: fixture, plane polishing mechanism and edge polishing mechanism.

The clamping mechanism comprises a bottom plate, a baffle is arranged at the front end of the bottom plate, a pressure rod penetrates through the rear end of the bottom plate, the pressure rod is perpendicular to the baffle and located between the clamping blocks, a bidirectional screw rod penetrates through the bottom plate in a rotating mode, the bidirectional screw rod is divided into two sections by a middle point, the rotating directions of the two sections of threads are opposite and perpendicular to the pressure rod, the clamping blocks are respectively connected to one section of the clamping blocks, the two sections of the clamping blocks can be opened or clamped simultaneously by rotating the bidirectional screw rod, and the bottom plate is arranged on a pair of tracks in a sliding;

the plane polishing mechanism comprises a cylindrical polishing wheel;

the polishing mechanism comprises a pair of conical polishing wheels;

the conical polishing wheel and the cylindrical polishing wheel are parallel to the bidirectional screw rod, are positioned above the bottom plate and have adjustable intervals with the bottom plate.

Furthermore, the main shafts of the conical polishing wheel and the cylindrical polishing wheel are connected with driving motors.

Further, plane polishing mechanism and edge polishing mechanism connect respectively in two alignment brackets, the alignment bracket is equipped with a pair of stand, the stand slides and is equipped with the mounting panel, driving motor all install in the mounting panel.

Furthermore, a top plate is arranged at the top of the upright post, a pair of guide rods is arranged at the bottom of the other end of the top plate, a support plate is arranged on the guide rods in a sliding mode, the support plate is parallel to the mounting plate, and the tail ends of the main shafts of the conical polishing wheel and the cylindrical polishing wheel are respectively connected to the corresponding support plates in a rotating mode.

Furthermore, locking screws are arranged on the end faces of the mounting plate and the supporting plate in a penetrating mode and used for fixing the mounting plate and the supporting plate.

Further, still include linear electric motor, the bottom plate connect in linear electric motor's driving piece, linear electric motor with the track is parallel.

Furthermore, the surfaces of the clamping blocks, which are in contact with the parts, are provided with nylon pads.

Furthermore, the clamping blocks are provided with positioning screws for fixing the clamping blocks.

Furthermore, a rotating disc is arranged at one end of the bidirectional screw rod.

The beneficial effects of the utility model reside in that:

1. the clamping block is used for positioning the part to be positioned in the centers of the cylindrical polishing wheel and the conical polishing wheel, and the baffle and the pressure rod are used for compressing the part, so that the stability is improved;

2. the plane and the edge can be polished simultaneously, and a cylindrical polishing wheel pair is used; polishing the surface of the part, and polishing two edges corresponding to the plane by using a pair of conical polishing wheels, wherein the moving track of the part is determined according to the track, and the moving precision of the part is improved through the track, so that the plane precision of the surface polishing of the part and the precision of polishing all parts of the edges are ensured;

3. automatic polishing is realized, the quality problem caused by factors is less considered, meanwhile, the injury of operators is avoided, and the polishing efficiency is high;

4. the height of the cylindrical polishing wheel and the height of the conical polishing wheel can be adjusted, and the practicability is higher.

Drawings

The drawings described herein are for illustrative purposes only of selected embodiments and not all possible implementations, and are not intended to limit the scope of the present disclosure.

FIG. 1 illustrates a front side view of one embodiment of the present application;

FIG. 2 illustrates a rear side view of one embodiment of the present application;

FIG. 3 shows the configuration of the clamping mechanism;

fig. 4 shows the structure and connection mode of the bidirectional screw and the clamping block.

The labels in the figure are: 1-driving motor, 2-linear motor, 10-clamping mechanism, 11-bottom plate, 12-baffle, 13-pressure rod, 14-clamping block, 141-positioning screw, 15-bidirectional screw, 151-rotating disc, 16-rail, 17-nylon pad, 20-plane polishing mechanism, 21-cylindrical polishing wheel, 30-edge polishing mechanism, 31-conical polishing wheel, 40-adjusting frame, 41-upright post, 42-mounting plate, 43-top plate, 44-guide rod and 45-support plate.

Detailed Description

To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings, but the described embodiments of the present invention are some embodiments of the present invention, not all embodiments.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate the position or positional relationship based on the position or positional relationship shown in the drawings, or the position or positional relationship that the product of the present invention is usually placed when in use, and this is only for the convenience of description of the present invention and simplification of the description. The terms "first," "second," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance. The terms "parallel", "perpendicular", etc. do not require that the components be absolutely parallel or perpendicular, but may be slightly inclined.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; either directly or indirectly through intervening media, or through both elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

Examples

1-3, an apparatus for polishing the surface of a part, comprising: a clamping mechanism 10, a plane polishing mechanism 20, an edge polishing mechanism 30 and a linear motor 2.

The clamping mechanism 10 comprises a bottom plate 11, a baffle 12 is arranged at the front end of the bottom plate 11, a pressure rod 13 penetrates through the rear end of the bottom plate 11, the pressure rod 13 is a threaded rod and is used for compressing parts, a pair of clamping blocks 14 are arranged in the middle of the bottom plate 11 and used for positioning the parts, the parts are located in the middle of the plane polishing mechanism 20 and the edge polishing mechanism 30, the pressure rod 13 is perpendicular to the baffle 12 and located between the clamping blocks 14, a bidirectional screw 15 penetrates through the bottom plate 11 in a rotating mode, the bidirectional screw 15 is divided into two sections by the middle point, the rotating directions of the two sections of threads are opposite and perpendicular to the pressure rod 13, the clamping blocks 14 are respectively connected to one section of the two sections, the pair of clamping blocks 14 can be opened or clamped simultaneously by rotating. As shown in fig. 3 and 4, in this embodiment, when the bidirectional screw 15 is rotated clockwise, the clamping block 14 is moved towards both ends, and at this time, the clamping block 14 is released; conversely, when the bidirectional screw 15 is rotated counterclockwise, the holding block 14 is moved toward the middle, and the holding block 14 is clamped.

Two ends of the bidirectional screw rod 15 are provided with bearings, the middle part of the bidirectional screw rod is provided with a ball sleeve, and the bidirectional screw rod is connected with the bottom plate 11 through the bearings and the ball sleeve to reduce friction. The two ends are connected by bearings so as to be fixed, and the middle part is provided with a ball sleeve so as to be installed.

The bottom plate 11 is slidably disposed on a pair of rails 16, the bottom plate 11 is connected to a driving member of the linear motor 2, and the linear motor 2 is parallel to the rails 16.

The plane polishing mechanism 20 includes a cylindrical polishing wheel 21 for polishing the surface of the part, and the length of the cylindrical polishing wheel 21 is greater than the maximum distance between the holding blocks 14.

The edge polishing mechanism 30 comprises a pair of conical polishing wheels 31, the smaller diameter ends of the conical polishing wheels 31 face inwards, the distance between the conical polishing wheels 31 can be adjusted, the conical polishing wheels 31 can be installed on the rotating shaft in a sliding mode in a specific adjusting mode, and the conical polishing wheels 31 can be fastened through screws.

The rotation axes of the conical polishing wheel 31 and the cylindrical polishing wheel 21 are parallel to the axis of the bidirectional screw 15, are positioned above the bottom plate 11, and are adjustable in distance from the bottom plate 11.

More specifically, as shown in fig. 1 or fig. 2, the conical polishing wheel 31 and the cylindrical polishing wheel 21 are mounted and adjusted, the plane polishing mechanism 20 and the edge polishing mechanism 30 are respectively connected to two adjusting frames 40, the adjusting frames 40 are provided with a pair of vertical columns 41, the vertical columns 41 are slidably provided with mounting plates 42, and the driving motors 1 are mounted on the mounting plates 42. The distance between the conical polishing wheel 31 and the cylindrical polishing wheel 21 and the bottom plate 11 is adjusted by moving the mounting plate 42 up and down.

Preferably, the top of the upright post 41 is provided with a top plate 43 by screws, the bottom of the other end of the top plate 43 is also provided with a pair of guide rods 44 by screws, in order to reduce the weight, the top plate 43 is designed to be a hollow structure, rectangular holes are processed, the guide rods 44 are made of hollow round tubes, and only the top is provided with a round iron plate for penetrating the screws. The guide rod 44 is provided with a support plate 45 in a sliding manner, the support plate 45 is made of aluminum, the support plate 45 is parallel to the mounting plate 42, and the tail ends of the main shafts of the conical polishing wheel 31 and the cylindrical polishing wheel 21 are respectively connected with the corresponding support plate 45 in a rotating manner and are connected through bearings. The support plate 45 moves up and down together with the mounting plate 42, and the operation stability of the conical polishing wheel 31 and the cylindrical polishing wheel 21 is improved by the support plate 45.

More specifically, the mounting plate 42 and the support plate 45 are fixed by screws, the end faces of the mounting plate 42 and the support plate 45 are respectively provided with a locking screw, and the front end of the locking screw is pressed on the upright 41 or the guide rod 44 to fix the mounting plate 42 and the support plate 45.

More specifically, the conical polishing wheel 31 and the cylindrical polishing wheel 21 can be driven by a motor, and the conical polishing wheel 31 and the cylindrical polishing wheel 21 can be connected by means of gear transmission, chain transmission or belt transmission and driven by a single motor. In a more preferred embodiment, as shown in fig. 2, the driving motor 1 is connected to each spindle of the conical polishing wheel 31 and the cylindrical polishing wheel 21, so that the conical polishing wheel 31 and the cylindrical polishing wheel 21 can be independently adjusted in height and controlled in rotation speed.

Preferably, in order to avoid the clamping block 14 from crushing the surface of the part, the surfaces of the clamping block 14, which are in contact with the part, are provided with nylon pads 17.

More specifically, as shown in fig. 3, the clamping blocks 14 are each provided with a set screw 141. The set screw 141 is screwed to a patch and the iron plate is attached to the back of the clamping block 14 by welding. The set screw 141 fixes the clamp block 14 by pressing it against the base plate 11.

The specific implementation process comprises the following steps: firstly, clamping the two parts, placing the part between the clamping blocks 14, enabling one end of the part to be in contact with the baffle 12, then rotating the bidirectional screw 15 anticlockwise, enabling the clamping blocks 14 to fix the part to be located in the middle position of the conical polishing wheel 31 and the cylindrical polishing wheel 21, and then rotating the pressing rod 13 to compress the part. And then, adjusting the heights of the conical polishing wheel 31 and the cylindrical polishing wheel 21 according to the height of the part, and simultaneously adjusting the distance between the conical polishing wheel 31, so that the conical polishing wheel 31 is in contact with two edges of the top surface of the part, and fixing the conical polishing wheel 31 and the cylindrical polishing wheel 21. And starting the driving motor 1 and the linear motor 2, wherein the driving motor 1 drives the conical polishing wheel 31 and the cylindrical polishing wheel 21 to rotate, and the linear motor 2 drives the part to reciprocate to polish the part.

The foregoing is only a preferred embodiment of the invention and is not intended to be the only or limiting embodiment of the invention. It should be understood by those skilled in the art that various changes and equivalent substitutions made herein may be made without departing from the scope of the invention as defined by the appended claims.

Claims

1. An apparatus for surface polishing a part, comprising:

the clamping mechanism (10) comprises a bottom plate (11), a baffle plate (12) is arranged at the front end of the bottom plate (11), a pressure rod (13) penetrates through the rear end of the bottom plate (11), a pair of clamping blocks (14) is arranged in the middle of the bottom plate (11), the pressure rod (13) is perpendicular to the baffle plate (12) and located between the clamping blocks (14), a bidirectional screw rod (15) penetrates through the bottom plate (11) in a rotating mode, the bidirectional screw rod (15) is divided into two sections by the midpoint, the rotating directions of the two sections of threads are opposite and perpendicular to the pressure rod (13), the clamping blocks (14) are respectively connected to one section of the clamping blocks, the pair of clamping blocks (14) can be opened or clamped simultaneously by rotating the bidirectional screw rod (15), and the bottom plate (11) is arranged on a pair of rails (16);

the plane polishing mechanism (20), the plane polishing mechanism (20) comprises a cylindrical polishing wheel (21);

the edge polishing mechanism (30), the edge polishing mechanism (30) comprises a pair of conical polishing wheels (31);

the conical polishing wheel (31) and the cylindrical polishing wheel (21) are parallel to the bidirectional screw (15), are positioned above the bottom plate (11), and have adjustable intervals with the bottom plate (11).

2. The device for polishing the surface of the part as claimed in claim 1, wherein the spindle of each of the conical polishing wheel (31) and the cylindrical polishing wheel (21) is connected with a driving motor (1).

3. The device for polishing the surface of the part as claimed in claim 2, wherein the plane polishing mechanism (20) and the edge polishing mechanism (30) are respectively connected to two adjusting frames (40), the adjusting frames (40) are provided with a pair of upright posts (41), the upright posts (41) are slidably provided with mounting plates (42), and the driving motors (1) are mounted on the mounting plates (42).

4. A device for polishing the surface of a part as claimed in claim 3, wherein a top plate (43) is provided on the top of the upright (41), a pair of guide rods (44) is provided on the bottom of the other end of the top plate (43), the guide rods (44) are slidably provided with a support plate (45), the support plate (45) is parallel to the mounting plate (42), and the main shaft ends of the conical polishing wheel (31) and the cylindrical polishing wheel (21) are respectively rotatably connected to the corresponding support plate (45).

5. A device for polishing the surface of a part as claimed in claim 4, characterized in that the mounting plate (42) and the supporting plate (45) are provided with locking screws at the end faces thereof for fixing the mounting plate (42) and the supporting plate (45).

6. An apparatus for surface polishing of parts according to claim 1, further comprising a linear motor (2), wherein the base plate (11) is connected to a driving member of the linear motor (2), and the linear motor (2) is parallel to the rail (16).

7. An apparatus for polishing the surface of a part according to claim 1, characterized in that the surfaces of the clamping blocks (14) which are in contact with the part are provided with nylon pads (17).

8. A device for the surface polishing of parts according to claim 1, characterized in that the clamping blocks (14) are each provided with a set screw (141) for fixing the clamping block (14).

9. An apparatus for surface polishing of parts according to claim 1, characterized in that the bidirectional screw (15) is provided with a rotary disc (151) at one end.