CN110722179B

CN110722179B - Numerical control multilateral forming machine tool

Info

Publication number: CN110722179B
Application number: CN201911161780.7A
Authority: CN
Inventors: 朱首红
Original assignee: Jiaxing Juteng Information Technology Co ltd
Current assignee: Yingkou Linghai Precision Machinery Manufacturing Co ltd
Priority date: 2019-11-25
Filing date: 2019-11-25
Publication date: 2020-11-20
Anticipated expiration: 2039-11-25
Also published as: CN110722179A

Abstract

The invention relates to the technical field of numerical control machines and discloses a numerical control multi-edge forming machine tool which comprises a chuck, a tip and a connecting circular plate, wherein the axes of the chuck, the tip and the connecting circular plate are positioned on the same straight line, the chuck is positioned on the left side of the tip, the tip is fixedly installed on the connecting circular plate, one side of the tip is respectively provided with an annular groove and an ejector pin groove, the ejector pin groove is positioned in the annular groove, an electromagnet is fixedly installed in the annular groove, and an ejector pin is installed in the ejector pin groove in a sliding mode. According to the numerical control multi-edge forming machine tool, the ejector pin is not in contact with a workpiece, so that the ejector pin can be protected, the service life of the ejector pin is prolonged, the ejector pin can continue to play a role in accurate positioning when used next time, and the connecting circular plate is in contact with the workpiece, so that even if abrasion is generated due to plane contact, the plane abrasion is generated, and the machining precision of the workpiece is not influenced.

Description

Numerical control multilateral forming machine tool

Technical Field

The invention relates to the technical field of numerical control machine tools, in particular to a numerical control multi-edge forming machine tool.

Background

A polygonal forming machine is a machine for processing a round object into a polygonal shape, and a numerical control machine is generally used for forming in order to improve the accuracy and efficiency of processing. During machining, a workpiece is usually fixed on a chuck, then the workpiece is positioned and fixed through a sharp part in front of a tip, and finally the workpiece is ground from the side edge through a grinding wheel. However, in the process, the workpiece is driven by the chuck to rotate, the center is driven, so that friction force is generated between the center and the workpiece, the center is abraded under the long-term action of the friction force and is not smooth enough, subsequent positioning is inaccurate, and the processing quality of the workpiece is affected.

Disclosure of Invention

Aiming at the defects of the prior art, the invention provides a numerical control multi-edge forming machine tool which has the advantages of avoiding tip abrasion and movement in the workpiece processing process and solving the problems that the tip is easy to abrade and the workpiece is easy to move in the processing process.

The invention provides the following technical scheme: a numerical control multi-edge forming machine tool comprises a chuck, an apex and a connecting circular plate, wherein the axes of the chuck, the apex and the connecting circular plate are positioned on the same straight line, the chuck is positioned at the left side of the apex, the apex is fixedly arranged on the connecting circular plate, one side of the apex is respectively provided with a circular groove and a thimble groove, the thimble groove is positioned in the circular groove, an electromagnet is fixedly arranged in the circular groove, a thimble is arranged in the thimble groove in a sliding manner, the inner side wall of the apex is respectively and fixedly provided with a first electric conductor and a second electric conductor, the first electric conductor is positioned at the left side of the second electric conductor, the part of the inner side wall of the apex, which is positioned between the first electric conductor and the second electric conductor, is fixedly provided with a telescopic rod, one end of the telescopic rod is fixedly provided with an arc-, and the reset spring is sleeved on the telescopic rod.

Preferably, the number of the first electric conductor, the number of the second electric conductor, the number of the telescopic rods, the number of the reset springs and the number of the arc-shaped circular ring plates are three, and the first electric conductor, the second electric conductor, the telescopic rods, the reset springs and the arc-shaped circular ring plates are symmetrically arranged on the inner side wall of the tip by taking the axis of the tip as a.

Preferably, the arc-shaped circular ring plate can be combined into a complete circular ring, the inner ring of the circular ring is in a circular truncated cone shape, the diameter of the left side of the circular ring plate is larger than that of the right side of the circular ring plate, and the diameter of the left side of the circular ring plate is the same as that of the right end of the thimble.

Preferably, when the arc-shaped circular ring plate is in the expanded state, the arc-shaped circular ring plate is located between the first electric conductor and the second electric conductor, and the width of the arc-shaped circular ring plate is the same as the distance between the first electric conductor and the second electric conductor.

Preferably, the electromagnet consists of three arc electromagnets, and the three arc electromagnets are respectively connected with the first three electric conductors through leads.

The invention has the following beneficial effects:

1. according to the numerical control multi-edge forming machine tool, the ejector pin is pressed into the connecting circular plate through the workpiece, the electromagnet is electrified to suck the workpiece, the ejector pin is not in contact with the workpiece in the machining process, so that the ejector pin can be protected, the service life of the ejector pin is prolonged, the ejector pin can continue to play a role in accurate positioning when the ejector pin is used next time, the connecting circular plate is in contact with the workpiece, and due to plane contact, even if abrasion is generated, plane abrasion is generated, and the machining accuracy of the workpiece is not influenced.

2. According to the numerical control multi-edge forming machine tool, after the workpiece is sucked by the electromagnet, the force generated when the electromagnet is in contact with the workpiece is increased, so that the friction force is increased, the workpiece can be more stably fixed when thrust is applied to machining, and the machining precision is improved.

Drawings

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

fig. 2 is a cross-sectional view of a point according to the present invention;

FIG. 3 is a top view of FIG. 2;

FIG. 4 is an enlarged view of a portion of FIG. 3;

FIG. 5 is a schematic structural diagram of an arc-shaped annular plate according to the present invention.

In the figure: 1. a chuck; 2. a tip; 3. connecting the circular plate; 4. a circular groove; 5. a thimble groove; 6. an electromagnet; 7. a thimble; 8. a first electric conductor; 9. a second electric conductor; 10. a telescopic rod; 11. an arc-shaped circular ring plate; 12. a return spring.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-5, a numerical control multi-edge forming machine tool comprises a chuck 1, a tip 2 and a connecting circular plate 3, wherein the axes of the chuck 1, the tip 2 and the connecting circular plate 3 are positioned on the same straight line, the chuck 1 is positioned at the left side of the tip 2, the tip 2 is fixedly arranged on the connecting circular plate 3, one side of the tip 2 is respectively provided with a circular groove 4 and a thimble groove 5, the diameter of the side is smaller, the thimble groove 5 is positioned in the circular groove 4, an electromagnet 6 is fixedly arranged in the circular groove 4, a thimble 7 is slidably arranged in the thimble groove 5, a first electric conductor 8 and a second electric conductor 9 are respectively and fixedly arranged on the inner side wall of the tip 2, the first electric conductor and the second electric conductor are both in circular arc shapes, the electromagnet 6 is composed of three arc electromagnets, the three arc electromagnets are respectively connected with the first electric conductors 8 through leads, the three electric conductors second electric, the electric conductor I8 is positioned on the left side of the electric conductor II 9, the part of the inner side wall of the centre 2, which is positioned between the electric conductor I8 and the electric conductor II 9, is fixedly provided with an expansion link 10, one end of the expansion link 10 is fixedly provided with an arc-shaped ring plate 11, the plate is made of a conductive material, the arc-shaped ring plate 11 can be combined into a complete ring, the inner ring of the ring is in a round table shape, the diameter of the left side is larger than that of the right side, and the diameter of the left side is the same as that of the right end of the thimble 7, in an initial state, the right end of the thimble 7 is just positioned in the inner ring of the ring combined by the three arc-shaped ring plates 11, so that the thimble 7 can be pushed to move outwards when being forced to enter the three arc-shaped ring plates 11, when the arc-shaped ring plates 11 are in an expansion state, the arc-shaped ring plates, ensure when arc ring board 11 can enter into between electric conductor 8 and the electric conductor two 9, can contact with both respectively, ensure the three intercommunication, can electrically conduct, fixed mounting has reset spring 12 between arc ring board 11 and top 2 inside walls, and reset spring 12 cover is located on telescopic link 10, electric conductor 8, electric conductor two 9, telescopic link 10, reset spring 12 and arc ring board 11 quantity is three, and all install in top 2's inside wall as central symmetry with top 2's axis, be the triangle-shaped installation, can know according to triangle-shaped's characteristic, this kind of mounting means stability is higher.

The theory of operation, press from both sides the work piece on chuck 1, later promote connection plectane 3, make thimble 7 contact the opposite side of work piece, and fix a position, later continuously promote connection plectane 3, until electro-magnet 6 contacts the work piece, thimble 7 atress backward removes to the internal movement, and enter into between the three arc ring board 11, arc ring board 11 receives after the extrusion to be promoted and enter into between electric conductor one 8 and the electric conductor two 9, compress reset spring 12 simultaneously, after the intercommunication, electro-magnet 6 circular telegram produces magnetic force, catch the work piece, after the shaping is accomplished, the external power source is disconnected, electro-magnet 6 cuts off the power supply, remove connection plectane 3, reset spring 12 pushes arc ring board 11 back initial position, thimble 7 recovers simultaneously.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a many edge forming of numerical control lathe, includes chuck (1), top (2) and connection plectane (3), the axis of chuck (1), top (2) and connection plectane (3) is located same straight line, chuck (1) is located the left of top (2), top (2) fixed mounting in connect on plectane (3), its characterized in that: an annular groove (4) and an ejector pin groove (5) are respectively formed in one side of the tip (2), the ejector pin groove (5) is located in the annular groove (4), an electromagnet (6) is fixedly installed in the annular groove (4), an ejector pin (7) is installed in the ejector pin groove (5) in a sliding mode, a first electric conductor (8) and a second electric conductor (9) are respectively and fixedly installed on the inner side wall of the tip (2), the first electric conductor (8) is located on the left side of the second electric conductor (9), a telescopic rod (10) is fixedly installed on the portion, located between the first electric conductor (8) and the second electric conductor (9), of the inner side wall of the tip (2), an arc-shaped annular plate (11) is fixedly installed at one end of the telescopic rod (10), a reset spring (12) is fixedly installed between the arc-shaped annular plate (11) and the inner side wall of the tip (2), and the reset spring (12) is sleeved, the number of the arc-shaped circular ring plates (11) is three, the arc-shaped circular ring plates (11) can be combined into a complete circular ring, the circular ring inner ring is in a circular table shape, the diameter of the left side of the circular ring inner ring is larger than that of the right side of the circular ring inner ring, the diameter of the left side of the circular ring inner ring outer ring plate is the same as that of the right end of the thimble.

2. A numerical control multilateral forming machine according to claim 1, characterized in that: the number of the first electric conductors (8), the number of the second electric conductors (9), the number of the telescopic rods (10) and the number of the reset springs (12) are three, and the electric conductors are symmetrically arranged on the inner side wall of the tip (2) by taking the axis of the tip (2) as a center.

3. A numerical control multilateral forming machine according to claim 1, characterized in that: the electromagnet (6) is composed of three arc electromagnets, and the three arc electromagnets are respectively connected with the three first electric conductors (8) through leads.