CN109226432B

CN109226432B - Production process of vibration grinding machine shell

Info

Publication number: CN109226432B
Application number: CN201811344352.3A
Authority: CN
Inventors: 罗中云; 罗金丽
Original assignee: Huzhou Zhongyun Machine Manufacturing Co ltd
Current assignee: Huzhou Zhongyun Machine Manufacturing Co ltd
Priority date: 2018-11-13
Filing date: 2018-11-13
Publication date: 2020-04-28
Anticipated expiration: 2038-11-13
Also published as: CN109226432A

Abstract

The invention discloses a production process of a shell of a vibration grinding machine. The invention has the characteristics of improving the production efficiency, improving the rigidity of the shell and effectively reducing the size error of the whole shell.

Description

Production process of vibration grinding machine shell

Technical Field

The invention relates to a shell of a vibration grinding machine, in particular to a production process of the shell of the vibration grinding machine.

Background

The upper housing of a vibration mill is typically used to hold the abrasive and the workpiece to be ground. The existing upper machine shell is generally formed by welding three components, namely a bottom shell, a circular truncated cone and a side wall, and the mode is not only troublesome in installation and low in production efficiency, but also the whole rigidity of the machine shell is not strong; meanwhile, due to the existence of processing errors and welding errors, the overall size error of the machine shell is possibly larger, and the thickness of a PU inner liner which is subsequently sintered is easily uneven, so that raw materials are wasted, and the thin part is easily abraded in use, and the normal use of the grinding machine is influenced. Therefore, the prior art has the problems of low production efficiency, low rigidity and large dimensional error of the whole casing.

Disclosure of Invention

The invention aims to provide a production process of a shell of a vibration grinding machine. The invention has the characteristics of improving the production efficiency, improving the rigidity of the shell and effectively reducing the size error of the whole shell.

The technical scheme of the invention is as follows: a production process of a shell of a vibration grinding machine is characterized in that a spinning machine sequentially performs core body spinning and shape spinning on a base material according to the shapes of a core mold and a shape mold to obtain an integrally formed shell.

In the production process of the shell of the vibration grinding machine, the spinning machine sequentially performs core body spinning and shape spinning on the base material according to the shapes of the core mold and the shape mold, and the production process comprises the following specific steps:

A. fixing the core mould on a rotary driving mechanism of a spinning machine;

B. tightly attaching the base material to the core mold through a pressing mechanism of the spinning machine;

C. the core mold is driven to rotate by a rotation driving mechanism of the spinning machine, and the base material is driven to rotate by the core mold;

D. trimming the outer edge surface of the base material to obtain a round base material;

E. acting a spinning wheel on the surface of the round base material, extruding the outer surface of the round base material through the spinning wheel, forming the round base material according to the shape of a core mold, and completing spinning of a core body to obtain a semi-finished shell;

F. taking down the core mould and the semi-finished product casing, and fixing the outline mould on a rotary driving mechanism of a spinning machine:

G. then the semi-finished shell is placed on an outline mold and is fixed by a pressing mechanism of a spinning machine;

H. the shape die is driven to rotate by a rotary driving mechanism of the spinning machine, and the shape die drives the semi-finished product casing to rotate;

I. and (3) acting the spinning wheel on the surface of the semi-finished shell, and extruding the outer surface of the semi-finished shell through the spinning wheel to form the semi-finished shell according to the shape of the shape die, so as to finish shape spinning and obtain a shell finished product.

In the aforementioned production process of the casing of the vibration grinding machine, in the step E, before the spinning wheel contacts with the surface of the circular base material, the lubricating oil needs to be coated on the outer surface of the circular base material.

In the production process of the shell of the vibration grinding machine, the trimming treatment is carried out on the outer edge surface of the base material through the trimming blade on the spinning machine.

In the production process of the shell of the vibration grinding machine, the core mold comprises a mold plate, a circular table is arranged above the mold plate, and a connecting body is arranged between the mold plate and the circular table; the connecting body comprises a circular truncated cone body, and the outer surface of the circular truncated cone body is of an arc-shaped concave surface structure.

In the production process of the shell of the vibration grinding machine, the spinning wheel in the step E sequentially spins the circular base material along the circular table toward the die plate.

In the production process of the shell of the vibration grinding machine, the shape die comprises a shape template, an annular bulge is arranged on the shape template, and a groove corresponding to the shape of the core die is arranged in the middle of the annular bulge; the annular bulge comprises a body with a truncated cone-shaped cross section, and a convex surface with a semi-sphere-shaped cross section is arranged at the top end of the body.

In the production process of the shell of the vibration grinding machine, the spinning wheel in the step I sequentially spins the surface of the semi-finished shell along the annular protrusion towards the external form template.

Compared with the prior art, the integrally formed shell is produced in a spinning mode to replace the traditional welding mode, so that the production efficiency can be effectively improved, and the integral rigidity of the shell can be improved; meanwhile, the size of the integrally formed machine shell is uniform, the size error can be effectively reduced, the thickness of the PU inner liner subsequently sintered is uniform, and the service life of the equipment is greatly prolonged. In addition, the integrally formed machine shell can effectively reduce the use of welding materials and reduce the production cost. According to the invention, the production process of the integrated molding of the casing is reasonably optimized, so that the maximum utilization of materials is achieved, and the waste of materials is reduced; the circular truncated cone is formed by spinning the circular truncated cone through the core die, and then the appearance of the machine shell is formed by rotating the appearance die, so that the operation is simple, the production efficiency is high, and the integral rigidity and the strength of the machine shell can be effectively guaranteed. In conclusion, the invention has the characteristics of improving the production efficiency, improving the rigidity of the shell and effectively reducing the overall dimension error of the shell.

Drawings

FIG. 1 is a schematic structural view of a finished housing;

FIG. 2 is a schematic illustration of the production of a semi-finished enclosure;

fig. 3 is a schematic view of the structure of the core mold;

FIG. 4 is a schematic structural view of the finished housing;

fig. 5 is a schematic structural view of the outline mold.

The labels in the figures are: 1-template, 2-circular truncated cone, 3-connector, 4-outline template, 5-annular bulge, 6-groove, 7-spinning wheel, 8-semi-finished casing, 9-finished casing, 301-circular truncated cone body, 302-arc concave structure, 501-body, 502-convex surface.

Detailed Description

The invention is further illustrated by the following figures and examples, which are not to be construed as limiting the invention.

Examples are given. A production process of a shell of a vibration grinding machine is shown in figures 1 to 5, and a spinning machine sequentially performs core body spinning and shape spinning on a base material according to the shapes of a core mould and a shape mould to obtain an integrally formed shell.

The spinning machine sequentially performs core body spinning and shape spinning on the base material according to the shapes of the core die and the shape die and comprises the following specific steps: A. fixing the core mould on a rotary driving mechanism of a spinning machine;

E. acting the spinning wheel 7 on the surface of the round base material, extruding the outer surface of the round base material through the spinning wheel, forming the round base material according to the shape of the core mold, and completing spinning of the core body to obtain a semi-finished shell;

In the step E, before the spinning wheel 7 contacts with the surface of the circular base material, the outer surface of the circular base material needs to be coated with lubricating oil.

And (4) trimming the outer edge surface of the base material by a trimming blade on the spinning machine.

The core die comprises a die plate 1, a circular truncated cone 2 is arranged above the die plate 1, and a connector 3 is arranged between the die plate 1 and the circular truncated cone 2; the connecting body 3 comprises a circular truncated cone body 301, and the outer surface of the circular truncated cone body 301 is an arc-shaped concave surface structure 302.

And E, sequentially spinning the circular base material along the direction from the circular truncated cone to the template by the spinning wheel.

The shape die comprises a shape template 4, an annular bulge 5 is arranged on the shape template 4, and a groove 6 corresponding to the shape of the core die is arranged in the middle of the annular bulge 5; the annular protrusion 5 comprises a body 501 with a truncated cone-shaped cross section, and a convex surface 502 with a semi-sphere-shaped cross section is arranged at the top end of the body 501.

And (3) spinning the spinning wheel in the step I along the annular bulge to the direction of the outline template to sequentially spin the surface of the semi-finished shell.

The spinning machine comprises a machine base, wherein a rotary driving mechanism and a pressing mechanism are respectively arranged at two ends of the machine base, a movable mechanism is arranged on the side surface of the pressing mechanism, a rotary base is arranged above the movable mechanism, and a trimming blade and a spinning wheel are respectively arranged at two ends of the rotary base; the movable mechanism can realize longitudinal and transverse movement, and the rotary seat can realize 180-degree rotation and is used for switching between the trimming blade and the spinning wheel. The die is fixed on an output shaft of the rotary driving mechanism through a bolt. The hold-down mechanism is including setting up the cylinder on the frame, and the cylinder tip is equipped with and compresses tightly the seat and compress tightly the dish, compresses tightly the dish and compresses tightly for rotatable coupling between the seat (adopt conventional swivelling joint mode can, for example can set up the bearing at compressing tightly the seat tip, be equipped with the rotation axis in the bearing, the rotation axis tip is fixed mutually with compressing tightly the dish).

The working process of the invention is as follows: fixing a core mold on an output shaft of a rotary driving mechanism, then placing a base material on the side surface of the core mold (the base material and the core mold are arranged in a concentric circle), driving a pressing plate to move through a cylinder on a pressing device, enabling the pressing plate to press the base material on the core mold, and then driving the core mold, the base material and the pressing plate to rotate through the rotary driving mechanism; then, the movable mechanism drives the trimming blade to move to a corresponding position to trim the outer edge surface of the base material, so that the precision is improved; obtaining a round base material after finishing, coating lubricating oil on the outer surface of the round base material, resetting the movable mechanism, rotating a rotating seat on the movable mechanism by 180 degrees after lubricating, switching a finishing blade at a working point on the movable mechanism into a spinning wheel, driving the spinning wheel to move to the position of the top of a round table on a core mold by the movable mechanism, contacting the spinning wheel with the round base material for spinning, and slowly moving the spinning wheel in the transverse direction and the longitudinal direction under the driving of the movable mechanism to adapt to the corresponding shape of the core mold until the spinning of the central round table is finished; the machine shell semi-finished product is obtained after the spinning of the central circular truncated cone, the core mould and the machine shell semi-finished product are taken down and replaced by the appearance mould, the machine shell semi-finished product is placed at a corresponding position of the appearance mould and then is pressed tightly by the pressing mechanism, the rotary driving mechanism starts to work to drive the appearance mould, the machine shell semi-finished product and the pressing disc to rotate, the machine shell semi-finished product is spun by the spinning wheel, the position of the movable mechanism is adjusted timely in the longitudinal direction and the transverse direction according to the shape of the appearance mould, the spinning wheel starts to spin towards the direction of the appearance mould along the top end of the annular bulge, and after the spinning wheel is spun on the appearance mould plate, the movable mechanism drives the spinning wheel to move towards the outer end of the appearance.

Claims

1. A production process of a shell of a vibration grinding machine is characterized in that: the spinning machine sequentially performs core body spinning and shape spinning on the base material according to the shapes of the core die and the shape die to obtain an integrally formed shell; the spinning machine sequentially performs core body spinning and shape spinning on the base material according to the shapes of the core die and the shape die and comprises the following specific steps:

A. fixing the core mould on a rotary driving mechanism of a spinning machine;

I. acting the spinning wheel on the surface of the semi-finished shell, extruding the outer surface of the semi-finished shell through the spinning wheel, so that the semi-finished shell is molded according to the shape of the shape die, and finishing shape spinning to obtain a shell finished product;

the core die comprises a die plate (1), a circular truncated cone (2) is arranged above the die plate (1), and a connector (3) is arranged between the die plate (1) and the circular truncated cone (2); the connecting body (3) comprises a circular truncated cone body (301), and the outer surface of the circular truncated cone body (301) is of an arc-shaped concave surface structure (302);

the external mold comprises an external mold plate (4), an annular bulge (5) is arranged on the external mold plate (4), and a groove (6) corresponding to the shape of the core mold is arranged in the middle of the annular bulge (5); the annular bulge (5) comprises a body (501) with a truncated cone-shaped cross section, and a convex surface (502) with a semi-sphere-shaped cross section is arranged at the top end of the body (501).

2. A process for the production of a shell for a vibration grinding mill according to claim 1, characterized in that: in the step E, before the spinning wheel contacts with the surface of the round base material, lubricating oil is coated on the outer surface of the round base material.

3. A process for the production of a shell for a vibration grinding mill according to claim 1, characterized in that: and (4) trimming the outer edge surface of the base material by a trimming blade on the spinning machine.

4. A process for the production of a shell for a vibration grinding mill according to claim 1, characterized in that: and E, sequentially spinning the circular base material along the direction from the circular truncated cone to the template by the spinning wheel.

5. A process for the production of a shell for a vibration grinding mill according to claim 1, characterized in that: and (3) spinning the spinning wheel in the step I along the annular bulge to the direction of the outline template to sequentially spin the surface of the semi-finished shell.