CN216608052U

CN216608052U - Eccentric cover processing frock

Info

Publication number: CN216608052U
Application number: CN202122626566.3U
Authority: CN
Inventors: 杨建�; 张现辉; 陈延丽
Original assignee: Chengdu Dahongli Machinery Co Ltd
Current assignee: Chengdu Dahongli Machinery Co Ltd
Priority date: 2021-10-29
Filing date: 2021-10-29
Publication date: 2022-05-27
Anticipated expiration: 2031-10-29

Abstract

The utility model discloses an eccentric bushing processing tool which comprises a sleeve, a jacking mechanism arranged on the side wall of the sleeve and an installation mechanism arranged at one end of the sleeve, wherein the jacking mechanism is arranged on the side wall of the sleeve; a placing hole for placing a workpiece is formed in the end face, far away from the mounting mechanism, of one end of the sleeve, the shape of the placing hole is matched with that of the workpiece, the placing hole is an eccentric hole, and the central axis of the placing hole and the central axis of the outer side wall of the sleeve are intersected to form an included angle; the jacking mechanism is used for jacking the workpiece and the sleeve; the mounting mechanism is used for being fixedly connected with a machine tool and enabling the central axis of the sleeve to coincide with the axis of a main shaft of the machine tool. This application has the effect that improves broken eccentric bushing eccentric orfice efficiency of processing circular cone to a certain extent.

Description

Eccentric cover processing frock

Technical Field

The utility model relates to an eccentric sleeve processing tool, in particular to an eccentric sleeve processing tool, and belongs to the technical field of eccentric sleeve processing.

Background

The eccentric sleeve is one of main core components in the cone crusher, and the left and right swinging of the movable cone is realized through the eccentric sleeve, so that the movable cone and the fixed cone are matched to extrude raw materials; the inner hole and the outer circle of the eccentric sleeve are eccentric, and a certain included angle is formed between the central axis of the inner hole and the central axis of the outer circle and is called an eccentric angle.

The method for processing the eccentric sleeve is more, and the eccentric sleeve can be divided into an outer circle and an inner hole in sequence and an inner hole and an outer circle in sequence according to the processing sequence; in the processing method of firstly processing the inner hole and then processing the outer circle, one mode is a mode of finding, aligning and positioning through a cushion block and a drawing line, the mode has high requirements on the technical level and experience of an operator, factors influencing the processing precision artificially are large, and the processing efficiency is low.

SUMMERY OF THE UTILITY MODEL

In order to solve the problems, the utility model aims to provide an eccentric sleeve machining tool.

In order to achieve the above purpose, the utility model adopts the technical scheme that:

an eccentric sleeve processing tool comprises a sleeve, a jacking mechanism arranged on the side wall of the sleeve and an installation mechanism arranged at one end of the sleeve; a placing hole for placing a workpiece is formed in the end face, away from the mounting mechanism, of the sleeve, the shape of the placing hole is matched with that of the workpiece, the placing hole is an eccentric hole, and an included angle is formed by the central axis of the placing hole and the central axis of the outer side wall of the sleeve; the jacking mechanism is used for jacking the workpiece and the sleeve; the mounting mechanism is used for being fixedly connected with a machine tool and enabling the central axis of the sleeve to coincide with the axis of a main shaft of the machine tool.

Optionally, the tightening mechanism includes a plurality of tightening bolts; a plurality of tight holes in top have evenly been seted up along the circumference interval of sleeve lateral wall on the telescopic lateral wall, the tight hole in top is the through-hole, many the tight bolt in top and the tight hole one-to-one threaded connection in a plurality of tops.

Optionally, a placing plate for supporting the workpiece is arranged in the placing hole, a chip removal hole is formed in the placing plate, and a central axis of the chip removal hole coincides with a central axis of the outer side wall of the sleeve.

Optionally, a side plate surface of the placing plate close to the workpiece is perpendicular to a central axis of the placing hole.

Optionally, a plurality of supporting columns are uniformly arranged between the sleeve and the mounting mechanism at intervals along the circumferential direction of the chip removal hole.

Optionally, the mounting mechanism includes a mounting plate and a fixing portion, the mounting plate is disposed at one end of the support columns away from the sleeve, and the fixing portion is disposed on a side surface of the mounting plate away from the sleeve; the fixed part is used for being fixedly connected with a machine tool.

The utility model has the beneficial effects that:

1. when processing the eccentric hole of the eccentric sleeve of the crusher, firstly, the processing tool is connected on a working platform of a vertical machine tool or is arranged on a chuck of a horizontal machine tool through a fixing part, so that the axis of a main shaft of the machine tool is coincided with the axis of the outer contour of a sleeve, then, the cylindrical workpiece is placed on a placing plate in the placing hole, a plurality of puller bolts are screwed, the cylindrical workpiece is propped by the plurality of puller bolts, so that the cylindrical workpiece is fixed in the placing hole of the sleeve, and then, the processing of the eccentric hole of the workpiece can be started, because the axis of the outer contour of the workpiece is coincided with the axis of the placing hole of the sleeve, the axis of the main shaft of the machine tool is coincided with the axis of the outer contour of the sleeve, the axis of the main shaft of the machine tool and the axis of the outer contour of the workpiece are intersected to form an included angle A, namely, the axis of the eccentric hole of the processed workpiece and the axis of the outer contour of the workpiece are intersected to form an included angle B, the included angle A and the included angle B are the same as the included angle formed by the intersection of the central axis of the placing hole and the central axis of the outer side wall of the sleeve, and the eccentric hole corresponding to the eccentric angle can be machined on the workpiece by setting the size of the included angle formed by the intersection of the central axis of the placing hole and the central axis of the outer side wall of the sleeve; the eccentric sleeve of broken circular cone can be conveniently processed on a common machine tool, the clamping efficiency of the workpiece is improved, and the processing efficiency is further improved.

Drawings

FIG. 1 is a schematic structural view of embodiment 1 of the present invention;

FIG. 2 is a sectional structural view of embodiment 1 of the present invention;

in the figure: 1. a sleeve; 2. a jacking mechanism; 21. jacking the bolt; 3. an installation mechanism; 31. mounting a plate; 311. fixing grooves; 32. a fixed part; 321. a fixed block; 4. placing holes; 5. jacking the hole; 6. placing a plate; 7. chip removal holes; 8. and (4) a support column.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described with reference to the accompanying drawings. In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

Example 1

An eccentric bushing machining tool, referring to fig. 1, comprises a sleeve 1, a jacking mechanism 2 arranged on the side wall of the sleeve 1 and an installation mechanism 3 arranged at one end of the sleeve 1; a placing hole 4 for placing a workpiece is formed in the end face, away from the mounting mechanism 3, of the sleeve 1, the shape of the placing hole 4 is matched with that of the workpiece, the workpiece is usually a cylindrical workpiece, so the placing hole 4 is a cylindrical hole, the placing hole 4 is an eccentric hole, namely, an included angle is formed by the intersection of the central axis of the placing hole 4 and the central axis of the outer side wall of the sleeve 1, and the eccentric angle between the placing hole 4 and the sleeve 1 is equal to the eccentric angle between the eccentric hole of the conical crushing eccentric sleeve and the eccentric sleeve; the jacking mechanism 2 is used for jacking the workpiece and the sleeve 1 tightly; the mounting mechanism 3 is used for being fixedly connected with a machine tool and enabling the central axis of the sleeve 1 to coincide with the axis of a main shaft of the machine tool; when broken eccentric bushing of processing circular cone, install the frock location on the lathe through installation mechanism 3 earlier for 1 outline axis of sleeve coincides mutually with lathe main shaft axis, then place cylindrical workpiece in 1 place the hole 4, the lateral wall of cylindrical workpiece and the interior pore wall looks butt of placing hole 4, then tightly on sleeve 1 through the tight device in top with the work piece top, can begin to process the eccentric orfice of work piece, the speed of clamping work piece has been improved, and then the efficiency of processing eccentric bushing has been improved.

Referring to fig. 1, the tightening mechanism 2 includes a plurality of tightening bolts 21; a plurality of tightening holes 5 are uniformly formed in the side wall of the sleeve 1 at intervals along the circumferential direction of the outer side wall of the sleeve 1, the tightening holes 5 are through holes, threads are arranged in the tightening holes 5, a plurality of tightening bolts 21 correspond to the tightening holes 5 one by one, and the tightening bolts 21 are in threaded connection with the tightening holes 5; the tightening bolt 21 is rotated to achieve the effect of fixing the workpiece and the sleeve 1.

Referring to fig. 1 and 2, a placing plate 6 for supporting a workpiece is arranged in the placing hole 4, the placing plate 6 is located at one end, close to the mounting mechanism 3, of the sleeve 1, the placing plate 6 can be a structure reserved when the placing hole 4 is formed but the sleeve 1 is not penetrated, the placing plate 6 can also be a metal plate welded at one end, close to the mounting mechanism 3, of the sleeve 1, the plate surface of one side, close to the workpiece, of the placing plate 6 is perpendicular to the central axis of the placing hole 4, the end face of one end of the cylindrical workpiece is convenient to abut against the plate surface of the placing plate 6, and the stability of the workpiece is facilitated when the eccentric hole is turned; a chip removal hole 7 is formed in the placing plate 6, and the central axis of the chip removal hole 7 is coincided with the central axis of the outer side wall of the sleeve 1; placing the workpiece on the placing plate 6 in the placing hole 4 so that the workpiece can be quickly placed at an appropriate position in the placing hole 4; a plurality of support columns 8 are uniformly welded between the sleeve 1 and the mounting mechanism 3 at intervals along the circumferential direction of the chip removal holes 7; the chip removal hole 7 is convenient for a machine tool to cut and penetrate a workpiece to form an eccentric hole, and the scrap iron can be discharged through a gap between the chip removal hole 7 and the support column 8.

Referring to fig. 1 and 2, the mounting mechanism 3 includes a mounting plate 31 and a fixing portion 32, the mounting plate 31 is welded to one end of the support columns 8 away from the sleeve 1, and the fixing portion 32 is located on a side plate surface of the mounting plate 31 away from the sleeve 1; the fixing portion 32 is used for fixedly connecting with a machine tool; in the embodiment, a vertical machine tool is adopted, the fixing part 32 is used for being connected with a workbench of the vertical machine tool, the fixing part 32 comprises a positioning block, the positioning block is positioned at one end of the mounting plate 31, which is far away from the sleeve 1, the central axis of the positioning block coincides with the central axis of the outer contour of the sleeve 1, and the positioning block is used for being matched with a positioning groove of the workbench of the machine tool, so that the central axis of the sleeve 1 coincides with the axis of a main shaft of the vertical machine tool; a plurality of open fixing grooves 311 are formed in the mounting plate 31 along the circumferential direction of the mounting plate 31, the fixing grooves 311 are located at the edges of the periphery of the mounting plate 31, and the fixing grooves 311 are used for being matched and connected with a working table key groove of the vertical machine tool through keys, so that the tool can be conveniently fixed; the effect of vertical processing of the eccentric hole of the cylindrical workpiece can be realized.

Example 2

The difference between this embodiment and embodiment 1 is that, in this embodiment, the horizontal machine tool is selected as the machine tool, the mounting mechanism 3 includes a mounting plate 31 and a fixing portion 32, the fixing portion 32 is located on a side surface of the mounting plate 31 departing from the support column 8, the fixing portion 32 is a clamping column, the clamping column may be cylindrical or prismatic, and the clamping column is used for being clamped by a chuck of the horizontal machine tool, so that the tool is fixed on the chuck of the horizontal machine tool, and the central axis of the outer side wall of the sleeve 1 coincides with the axial axis of the main shaft of the horizontal machine tool, and the effect of horizontally processing the eccentric hole of the cylindrical workpiece can be realized.

The foregoing shows and describes the general principles, essential features, and advantages of the utility model. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides an eccentric cover processing frock which characterized in that: comprises a sleeve (1), a jacking mechanism (2) arranged on the side wall of the sleeve (1) and an installation mechanism (3) arranged at one end of the sleeve (1); a placing hole (4) for placing a workpiece is formed in the end face of one end, away from the mounting mechanism (3), of the sleeve (1), the shape of the placing hole (4) is matched with that of the workpiece, the placing hole (4) is an eccentric hole, and an included angle is formed by the intersection of the central axis of the placing hole (4) and the central axis of the outer side wall of the sleeve (1); the jacking mechanism (2) is used for jacking the workpiece and the sleeve (1); the mounting mechanism (3) is used for being fixedly connected with a machine tool and enabling the central axis of the sleeve (1) to coincide with the axis of a main shaft of the machine tool.

2. The eccentric bushing machining tool according to claim 1, characterized in that: the tightening mechanism (2) comprises a plurality of tightening bolts (21); a plurality of tight holes (5) in top have evenly been seted up along the circumference interval of sleeve (1) lateral wall on the lateral wall of sleeve (1), tight hole in top (5) are the through-hole, many tight bolt in top (21) and a plurality of tight hole in top (5) one-to-one threaded connection.

3. The eccentric bushing machining tool according to claim 1, characterized in that: the novel chip removing device is characterized in that a placing plate (6) used for supporting a workpiece is arranged in the placing hole (4), a chip removing hole (7) is formed in the placing plate (6), and the central axis of the chip removing hole (7) coincides with the central axis of the outer side wall of the sleeve (1).

4. The eccentric bushing machining tool according to claim 3, characterized in that: the plate surface of one side, close to the workpiece, of the placing plate (6) is perpendicular to the central axis of the placing hole (4).

5. The eccentric bushing machining tool according to claim 3, characterized in that: a plurality of supporting columns (8) are uniformly arranged between the sleeve (1) and the mounting mechanism (3) at intervals along the circumferential direction of the chip removal hole (7).

6. The eccentric bushing machining tool according to claim 5, characterized in that: the mounting mechanism (3) comprises a mounting plate (31) and a fixing part (32), the mounting plate (31) is arranged at one end, far away from the sleeve (1), of the support columns (8), and the fixing part (32) is arranged on one side surface, far away from the sleeve (1), of the mounting plate (31); the fixing part (32) is used for being fixedly connected with a machine tool.