CN221159908U - Inner hole honing fastening device - Google Patents

Abstract

The utility model discloses an inner hole honing fastening device, which comprises a honing platform, a to-be-machined piece, a base, a supporting seat, a top plate, a bushing and a top cover, wherein the honing platform is arranged on the base; the base is divided into a first base and a second base; the first base is fixedly connected with the second base; the first base is fixed on the honing platform; a first circular through hole is formed in the middle of the second base; the supporting seat is divided into an inserting shaft and a containing cavity; the inserting shaft is fixedly connected to the bottom of the accommodating cavity; the inserting shaft is inserted into the first circular through hole of the second base; a to-be-machined piece is placed in the accommodating cavity; the top plate is arranged above the accommodating cavity; a plurality of connecting rods are fixedly connected between the top plate and the second base; a second round through hole is formed in the middle of the top plate; the bushing is placed in the second circular through hole; the inner hole honing device solves the problem that a workpiece to be machined is easy to loose under high-speed honing of a honing machine.

Description

Inner hole honing fastening device

Technical Field

The utility model belongs to the technical field of honing machine assistance, and particularly relates to an inner hole honing fastening device

Background

The honing machine is a grinding machine for honing a workpiece by utilizing a honing head and finishing the surface; the method is mainly used in the manufacturing industries of automobiles, hydraulic parts, bearings, aviation and the like; honing machines are vertical and horizontal; the working stroke of the main shaft of the vertical honing machine is shorter, and the vertical honing machine is suitable for honing cylinders, box holes and the like; the honing head inlaid with the oilstone is driven to rotate by a vertically arranged main shaft and simultaneously is driven by a hydraulic device to do vertical reciprocating feeding movement, and before honing a cylinder body, the cylinder body is required to be fixed on a honing machine and then is honed;

in the prior art, a cylinder is clamped on a honing table of a honing machine for the cylinder clamping and fixing mechanism, in order to avoid the situation that the cylinder loosens in the honing process, operators generally block and fix the cylinder by using fixing blocks on two sides of the cylinder, the fixing mode of the fixing blocks is used for changing and modifying at any time according to the size of a workpiece to be machined, and the cylinder can be fixed in the mode, but the cylinder still loosens under the high-speed honing of the honing machine, so that the final honing effect is affected; even the honing fails, the processing requirement cannot be met, and then the parts are scrapped, so that a great deal of manpower and material resources are wasted.

Disclosure of utility model

Aiming at the problems in the background art, the utility model aims to provide an inner hole honing fastening device, which is used for fixing the upper end and the lower end of a workpiece to be machined by arranging a base and a top cover, so that the problem that the workpiece to be machined is loose under high-speed honing of a honing machine is solved.

In order to solve the technical problems, the technical scheme provided by the utility model is as follows:

An inner hole honing fastening device comprises a honing platform, a to-be-machined piece, a base, a supporting seat, a top plate, a bushing and a top cover; the base is divided into a first base and a second base; the first base is fixedly connected with the second base; the first base is fixed on the honing platform; a first circular through hole is formed in the middle of the second base; the supporting seat is divided into an inserting shaft and a containing cavity; the inserting shaft is fixedly connected to the bottom of the accommodating cavity; the inserting shaft is inserted into the first circular through hole of the second base;

A to-be-machined piece is placed in the accommodating cavity; the top plate is arranged above the accommodating cavity; a plurality of connecting rods are fixedly connected between the top plate and the second base; a second round through hole is formed in the middle of the top plate; the bushing is placed in the second circular through hole; a top cover is fixedly connected to the outer part of the top plate; and a third round through hole which is vertically communicated with the second round through hole is formed in the middle of the top cover.

The upper end and the lower end of the to-be-machined part are fixed through the base and the top cover, so that the problem that the to-be-machined part is loose under high-speed honing of the honing machine is solved; meanwhile, the supporting seat which is spliced with the second base is arranged, so that the supporting seats with different heights can be replaced at any time according to workpieces to be machined with different heights, and the honing requirement is met; the problem that the gap between the workpiece to be machined and the second circular through hole in the middle of the top plate is large is solved by arranging the bushing, and the situation that the upper end of the workpiece to be machined cannot be fastened is avoided.

As a preferable mode of the utility model, the outer wall of the first base is provided with external threads; the first base is in threaded connection with the honing platform.

As a further preferred aspect of the present utility model, the outer wall of the top plate is provided with external threads; the inner wall of the top cover is provided with an internal thread; the top plate is connected with the top cover through threads.

As a further preferable aspect of the utility model, the upper end of the connecting rod is in threaded connection with the top plate; the lower extreme of connecting rod welds on the second base.

As still further preferable, the number of the connecting rods is three.

Compared with the prior art, the utility model has the beneficial effects that: the upper end and the lower end of the workpiece to be machined are fixed through the base and the top cover, the problem that the workpiece to be machined is loose under high-speed honing of the honing machine is solved, compared with a traditional fixing mode, the fastening effect of the device is greatly improved, smooth machining of parts is guaranteed, the success rate of honing the parts is improved, and a large amount of manpower and material resources are saved to a certain extent.

Drawings

FIG. 1 is a front cross-sectional view of the present utility model without a workpiece being placed;

FIG. 2 is a schematic diagram of the overall structure of the present utility model;

FIG. 3 is a schematic diagram of the basic structure of the present utility model;

FIG. 4 is a schematic view of the bushing of the present utility model;

FIG. 5 is a schematic view of the structure of the base of the present utility model;

Fig. 6 is a schematic structural view of the support base of the present utility model.

The figure shows: 1-honing platform, 2-to-be-machined piece, 3-base, 301-first base, 302-second base, 3021-first circular through hole, 4-supporting seat, 401-inserting shaft, 402-accommodating cavity, 5-top plate, 501-second circular through hole, 6-bushing, 7-top cover, 701-third circular through hole and 8-connecting rod.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Examples

As shown in fig. 1 to 6, an inner bore honing fastening device comprises a honing table 1, a workpiece 2 to be machined, a base 3, a supporting seat 4, a top plate 5, a bushing 6 and a top cover 7; the base 3 is divided into a first base 301 and a second base 302; the first base 301 is fixedly connected with the second base 302; the first base 301 is fixed on the honing platform 1; a first circular through hole 3021 is formed in the middle of the second base 302; the supporting seat 4 is divided into an inserting shaft 401 and a containing cavity 402; the inserting shaft 401 is fixedly connected to the bottom of the accommodating cavity 402; the inserting shaft 401 is inserted into the first circular through hole 3021 of the second base 302;

The accommodating cavity 402 is internally provided with a workpiece 2 to be processed; the top plate 5 is arranged above the accommodating cavity 402; 3 connecting rods 8 are fixedly connected between the top plate and the second base 302; a second circular through hole 501 is formed in the middle of the top plate 5; the bushing 6 is placed in the second circular through hole 501; a top cover 7 is fixedly connected to the outer part of the top plate 5; a third circular through hole 701 is formed in the middle of the top cover 7, and is vertically communicated with the second circular through hole 501.

Preferably, the outer wall of the first base 301 is provided with external threads; the first base 301 is screwed with the honing table 1.

Preferably, the outer wall of the top plate 5 is provided with external threads; the inner wall of the top cover 7 is provided with internal threads; the top plate 5 is connected with the top cover 7 through threads.

Preferably, the upper end of the connecting rod 8 is in threaded connection with the top plate 5, and the lower end of the connecting rod 8 is welded on the second base 302.

In the above embodiment, most of the shape of the workpiece 2 will be a cylinder with a nozzle, and when the length of the nozzle can be engaged with the connecting rod 8, the workpiece 2 can be prevented from rotating circumferentially; in addition, according to the different lengths of the workpieces 2 to be processed, the height of the supporting seat 4 can be correspondingly replaced; the inner diameter of the central hole of the bushing 6 is matched with the outer diameter of the cylinder to be processed so as to ensure coaxiality; the top surface of the lining 6 is contacted and pressed with the top cover, and the inner hole at the lower part of the lining 6 is matched and assembled with the outer circle and the end surface of the workpiece.

The working principle of the utility model is as follows:

Step 1, at least 3 connecting rods 8 are fixed between a second base 302 and a top plate 5;

step 2, then fixing the first base 301 on the honing table 1;

Step 3, inserting the insertion shaft 401 of the support seat 4 into the first circular through hole 3021, and placing the workpiece 2 to be machined in the accommodating cavity 402;

step 4, then placing the bush 6 matched with the workpiece 2 to be processed into the second circular through hole 501 of the top plate 5;

And 5, finally screwing the top cover 7 and the top plate 5 through threads, locking the to-be-machined piece 2, and honing the to-be-machined piece 2 through a honing rod.

The protection scope of the present utility model is not limited to the technical solutions disclosed in the specific embodiments, and any modification, equivalent replacement, improvement, etc. made to the above embodiments according to the technical substance of the present utility model falls within the protection scope of the present utility model.

Claims (5)

1. An inner hole honing fastening device comprises a honing platform (1) and a workpiece (2) to be machined; the method is characterized in that: the device also comprises a base (3), a supporting seat (4), a top plate (5), a bushing (6) and a top cover (7); the base (3) is divided into a first base (301) and a second base (302); the first base (301) is fixedly connected with the second base (302); the first base (301) is fixed on the honing platform (1); a first circular through hole (3021) is formed in the middle of the second base (302); the supporting seat (4) is divided into two parts, namely an inserting shaft (401) and a containing cavity (402); the inserting shaft (401) is fixedly connected to the bottom of the accommodating cavity (402); the inserting shaft (401) is inserted into a first circular through hole (3021) of the second base (302);

A to-be-machined piece (2) is placed in the accommodating cavity (402); the top plate (5) is arranged above the accommodating cavity (402); a plurality of connecting rods (8) are fixedly connected between the top plate (5) and the second base (302); a second round through hole (501) is formed in the middle of the top plate (5); the bushing (6) is placed in the second circular through hole (501); a top cover (7) is fixedly connected to the outside of the top plate (5); and a third circular through hole (701) which is vertically communicated with the second circular through hole (501) is formed in the middle of the top cover (7).

2. The female honing fastening device of claim 1, wherein: the outer wall of the first base (301) is provided with external threads; the first base (301) is in threaded connection with the honing platform (1).

3. The female honing fastening device of claim 1, wherein: the outer wall of the top plate (5) is provided with external threads; the inner wall of the top cover (7) is provided with internal threads; the top plate (5) is connected with the top cover (7) through threads.

4. The female honing fastening device of claim 1, wherein: the upper end of the connecting rod (8) is in threaded connection with the top plate (5); the lower end of the connecting rod (8) is welded on the second base (302).

5. An female honing fastening device as claimed in claim 4 wherein: the number of the connecting rods (8) is three.