CN110355592A - A kind of workpiece support mechanism - Google Patents

Abstract

The invention relates to a workpiece support mechanism, comprising a support column, the support column includes a column body, the upper end surface of the column body is provided with a guide hole downwardly penetrating the lower surface of the column body, and a guide hole is movably installed in the guide hole A support head, an elastic support mechanism is arranged between the support head and the guide hole, and a limit mechanism for limiting the limit position of the up and down movement of the support head is also arranged between the support head and the guide hole; elastic support mechanism The support head is elastically supported to buffer the vibration during processing. It is suitable for the support of thin-walled parts processing, and can also be used for cast iron parts.

Description

A workpiece support mechanism

technical field

The invention relates to a workpiece supporting mechanism.

Background technique

In the prior art, when thin-walled parts are processed, the workpiece support mechanism is rigidly supported on the workpiece, and the workpiece is likely to vibrate during the processing, which affects the processing accuracy.

SUMMARY OF THE INVENTION

The technical problem to be solved by the present invention is to provide a workpiece support mechanism that can effectively reduce the vibration of the workpiece when it is supported, and can effectively ensure the machining accuracy of the workpiece.

In order to solve the above technical problems, the technical solution of the present invention is: a workpiece support mechanism, comprising a support column, the support column includes a column body, and the upper end surface of the column body is provided with a guide downwardly penetrating the lower surface of the column body A support head is movably installed in the guide hole, an elastic support mechanism is arranged between the support head and the guide hole, and between the support head and the guide hole, there is also a mechanism for restricting the up and down movement of the support head. Limiting mechanism at the extreme position.

As a preferred technical solution, the limit mechanism includes an upward movement limit mechanism, the upward movement limit mechanism includes a limit ring provided on the lower part of the inner wall of the guide hole, and the lower surface of the support head is fixedly installed There is a limit column passing through the guide hole and the limit ring, and a limit head blocked by the limit ring is fixedly installed at the lower end of the limit column.

As a preferred technical solution, the elastic support mechanism includes a support spring, the upper end of the support spring abuts on the lower end surface of the support head, and the lower end of the support spring abuts on the upper surface of the limiting ring.

As a preferred technical solution, the support head is detachably and fixedly installed with the limiting column, so as to replace the support spring.

As a preferred technical solution, the lower surface of the support head is provided with a screw hole, a bolt is screwed in the screw hole, and the end of the screw is screwed upward through the limit ring and the guide hole in the screw hole. In the screw hole, the outer diameter of the nut of the bolt is larger than the inner diameter of the limiting ring.

As a preferred technical solution, the limit mechanism includes a downward movement limit mechanism, and the downward movement limit mechanism includes a limit support head provided on the support head, and the outer diameter of the limit support head is larger than the inner diameter of the guide hole.

As a preferred technical solution, the lower end of the support column is provided with an installation and positioning device.

As a preferred technical solution, the installation and positioning device includes a flange plate arranged at the lower end of the support column, or the installation and positioning device includes an external thread arranged at the lower end of the support column.

As a preferred technical solution, the bolts are hexagon socket head bolts.

As a preferred technical solution, the contact surface between the limit support head and the workpiece is heat treated.

Due to the adoption of the above technical solution, a workpiece support mechanism includes a support column, the support column includes a column body, and the upper end surface of the column body is provided with a guide hole downwardly penetrating the lower surface of the column body, and the guide hole A support head is movably installed inside, an elastic support mechanism is arranged between the support head and the guide hole, and a limit mechanism that restricts the limit position of the support head moving up and down is also arranged between the support head and the guide hole ;The elastic support mechanism elastically supports the support head, which buffers the vibration during processing. It is suitable for the support of thin-walled parts processing, and can also be used for cast iron castings. It can be used for effective conformal buffering according to the vibration of the workpiece during processing, reducing deformation and processing. shock.

Description of drawings

In order to explain the embodiments of the present invention or the technical solutions in the prior art more clearly, the following briefly introduces the accompanying drawings that need to be used in the description of the embodiments or the prior art. Obviously, the accompanying drawings in the following description are only These are some embodiments of the present invention, and for those of ordinary skill in the art, other drawings can also be obtained from these drawings without any creative effort.

1 is a schematic structural diagram of Embodiment 1 of the present invention;

2 is a schematic structural diagram of Embodiment 2 of the present invention;

FIG. 3 is a plan view of FIG. 2 .

Detailed ways

Example 1:

As shown in FIG. 1 , a workpiece support mechanism includes a support column 1, the support column 1 includes a column body 2, and the upper end surface of the column body 2 is provided with a guide hole 3 downwardly penetrating the lower surface of the column body, A support head 4 is movably installed in the guide hole 3 , an elastic support mechanism is arranged between the support head 4 and the guide hole 3 , and a limit support is also arranged between the support head 4 and the guide hole 3 The limit mechanism for the limit position of the head moving up and down. The elastic support mechanism elastically supports the support head, which buffers the vibration during processing. It is suitable for the support of thin-walled parts and can also be used for iron castings. It can effectively conform to the vibration of the workpiece during processing to reduce deformation and processing vibration. .

The limit mechanism includes an upward movement limit mechanism, and the upward movement limit mechanism includes a limit ring 5 provided at the lower part of the inner wall of the guide hole 3, and the lower surface of the support head 4 is fixedly installed with a pass through. The guide hole 3 and the limit post of the limit ring, the lower end of the limit post is fixedly installed with a limit head blocked by the limit ring 5 . The limit head is blocked by the limit ring, which restricts the upward movement of the limit post, thereby restricting the upward movement of the support head.

The elastic support mechanism includes a support spring 9 , the upper end of the support spring 9 abuts on the lower end surface of the support head 8 , and the lower end of the support spring 9 abuts on the upper surface of the limiting ring 5 .

The support head is detachably and fixedly installed with the limiting column, so as to replace the support spring. The support spring can be replaced by removing the limiting column from the support head, and the springs with different strengths can be replaced as needed to adapt to different workpieces. In the prior art, detachable connection methods such as bolt connection can be used.

Preferably, the lower surface of the support head 4 is provided with a screw hole 6, a bolt 7 is screwed in the screw hole, and the end of the screw 7 passes upward through the limit ring 5 and is screwed into the guide hole 3 In the screw hole, the outer diameter of the nut 13 of the bolt 7 is larger than the inner diameter of the limit ring 5 , the bolt is used as the limit post, and the nut of the bolt is used as the limit bit header. The support spring can be replaced by removing the stud from the screw hole of the support head. The spring with different strength can be replaced as needed to adapt to different workpieces, or the support spring can be changed by changing the length of the stud screwed into the screw hole. the elastic deformation range, adjust the strength of the spring support.

The limit mechanism includes a downward movement limit mechanism, and the downward movement limit mechanism includes a limit support head 8 arranged on the support head 4, and the outer diameter of the limit support head 8 is larger than the The inner diameter of the guide hole 3. The outer diameter of the limit support head is larger than the inner diameter of the guide hole, and the limit support head cannot enter the guide hole, which restricts the downward movement of the support head.

The lower end of the support column is provided with an installation and positioning device.

The installation and positioning device includes an external thread 11 provided at the lower end of the support column, the external thread is screwed into the threaded hole of the workpiece support frame, and the height of the support column can be adjusted.

The bolts 7 are hexagon socket head bolts.

The contact surface 12 between the limit support head and the workpiece is heat-treated, and the heat-treated contact surface 12 of the workpiece can better withstand wear.

Embodiment 2:

The technical solution of the second embodiment is basically the same as the technical solution of the first embodiment, the difference is that as shown in FIG. 2 and FIG. 3 , the installation and positioning device includes a flange 10 provided at the lower end of the support column. The arrangement of the flange plate facilitates the installation and fixation of the support column.

The foregoing has shown and described the basic principles, main features, and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited by the above-mentioned embodiments. The above-mentioned embodiments and descriptions only illustrate the principle of the present invention. Without departing from the spirit and scope of the present invention, the present invention will also have Various changes and modifications fall within the scope of the claimed invention. The claimed scope of the present invention is defined by the appended claims and their equivalents.

Claims (10)

1. A workpiece support mechanism, characterized in that it includes a support column, the support column includes a column body, and the upper end surface of the column body is provided with a guide hole downwardly penetrating the lower surface of the column body. A support head is movably installed, an elastic support mechanism is arranged between the support head and the guide hole, and a limit mechanism for limiting the limit position of the up and down movement of the support head is also arranged between the support head and the guide hole. 2 . The workpiece support mechanism according to claim 1 , wherein the limit mechanism comprises an upward movement limit mechanism, and the upward movement limit mechanism comprises a limit set at the lower part of the inner wall of the guide hole. 3 . The lower surface of the support head is fixedly installed with a limit column passing through the guide hole and the limit ring, and the lower end of the limit column is fixed with a limit head blocked by the limit ring. 3 . The workpiece support mechanism according to claim 2 , wherein the elastic support mechanism comprises a support spring, the upper end of the support spring abuts against the lower end surface of the support head, and the lower end of the support spring abuts on the lower end surface of the support head. 4 . the upper surface of the limit ring. 4 . The workpiece support mechanism according to claim 3 , wherein the support head is detachably and fixedly installed with the limiting column, so as to replace the support spring. 5 . 5 . The workpiece support mechanism according to claim 4 , wherein a screw hole is provided on the lower surface of the support head, a bolt is screwed in the screw hole, and the end of the bolt passes upward through the screw hole. 6 . The limit ring and the guide hole are screwed into the screw hole, and the outer diameter of the nut of the bolt is larger than the inner diameter of the limit ring. 6 . The workpiece support mechanism according to claim 2 , wherein the limit mechanism comprises a downward movement limit mechanism, and the downward movement limit mechanism comprises a limit support provided on the support head. 7 . The outer diameter of the limiting support head is larger than the inner diameter of the guide hole. 7 . The workpiece support mechanism according to claim 1 , wherein the lower end of the support column is provided with an installation and positioning device. 8 . 8 . The workpiece support mechanism according to claim 7 , wherein the installation and positioning device comprises a flange plate arranged at the lower end of the support column, or the installation and positioning device comprises a flange plate arranged at the support column. 9 . External thread on the lower end. 9 . The workpiece support mechanism according to claim 4 , wherein the bolts are hexagon socket head bolts. 10 . 10 . The workpiece support mechanism according to claim 5 , wherein the contact surface between the limit support head and the workpiece is heat treated. 11 .