CN110576112A

CN110576112A - Three-way necking machine

Info

Publication number: CN110576112A
Application number: CN201910906553.6A
Authority: CN
Inventors: 叶紫淳
Original assignee: Hanshan Rongyuan Metal Products Co Ltd
Current assignee: Hanshan Rongyuan Metal Products Co Ltd
Priority date: 2019-09-19
Filing date: 2019-09-19
Publication date: 2019-12-17

Abstract

The invention discloses a three-way necking machine which comprises a rack, an electric cabinet, a vibrating feeding disc, an instrument vehicle, a lifting cylinder, a necking die cylinder, a receiving hopper, a material ejecting cylinder, a chuck, a necking die, a chamfering cylinder, a chamfering tool rest, a propelling cylinder, a motor, a material channel, a belt pulley, a triangular belt and an elastic device, wherein the material channel is arranged on the outer side of the vibrating feeding disc, the receiving hopper is arranged at a discharge port of the material channel, the lifting cylinder is connected to the upper end of the receiving hopper, the material ejecting cylinder and the chuck positioned on the instrument vehicle are respectively arranged on two sides of the receiving hopper, the necking die cylinder with the necking die and the chamfering cylinder with the chamfering tool rest are respectively arranged on the front side and the rear side under the receiving hopper, and the necking die cylinder and the chamfering cylinder are connected with the propelling cylinder capable of driving. The three-way pipe necking machine is reasonable in structural design, can realize automation of three-way raw material pipe machining procedures, improves necking efficiency, is high in safety, reduces labor intensity of production personnel, further reduces production cost of three-way pipes, and improves market competitiveness.

Description

Three-way necking machine

Technical Field

The invention relates to the technical field of pipe production and processing equipment, in particular to a three-way necking machine.

Background

Necking of a pipe is a forming method for reducing the diameter of a mouth of a previously formed hollow open member or pipe, and is widely used in industrial design. In the current production, the following three different necking modes are generally selected according to the characteristics of parts: 1) the whole female die is necking, and the mode is suitable for necking of small and medium-sized short pieces; 2) the split female die necking is mainly used for long pipe necking, the split female die is installed on a quick short-stroke universal eccentric press, and a pipe is fed and rotated at the same time. 3) Spinning necking is generally used for large and medium-sized hollow blanks with relatively small material thickness. The tee is also called as a pipe tee or a tee pipe, a tee joint and the like. Mainly used for changing the direction of the fluid and is used at the position of a main pipeline and a branch pipeline. Can be classified according to the pipe diameter. Generally, the alloy steel is made of carbon steel, cast steel, alloy steel, stainless steel, copper, aluminum alloy, plastic, argon leaching, pvc and other materials.

The raw materials for preparing the tee joint are pipes with the outer diameter of 12mm-40mm and the length of 35mm-80mm, and the problems of low necking efficiency, high labor intensity and poor safety exist in the prior art due to the lack of automatic necking equipment aiming at the pipes, so that the production cost of the tee joint is high. Therefore, the invention provides the three-way necking machine, so that the automation of the processing procedure of the pipe is realized, the necking efficiency is improved, the safety is high, the labor intensity of production personnel is reduced, the production cost of the three-way pipe is further reduced, and the market competitiveness is improved.

disclosure of Invention

The invention aims to overcome the problems in the prior art and provides a three-way necking machine.

in order to achieve the technical purpose and achieve the technical effect, the invention is realized by the following technical scheme:

A three-way necking machine comprises a frame, an electric cabinet, a vibration feeding disc, an instrument vehicle, a lifting cylinder, a necking cylinder, a receiving hopper, a material ejecting cylinder, a chuck, a necking die, a chamfering cylinder, a chamfering tool rest, a propelling cylinder, a motor, a material channel, a belt pulley, a triangular belt and an elastic device, wherein the frame is provided with a platform, the left side of the platform is provided with the vibration feeding disc, the rear side of the platform is provided with the electric cabinet, the upper side of the platform is provided with the instrument vehicle, the lower side of the platform is provided with the motor, the outer side of the vibration feeding disc is provided with the material channel positioned above the instrument vehicle, the discharging port of the material channel is provided with the receiving hopper, the upper end of the receiving hopper is connected with the lifting cylinder capable of driving the receiving hopper to vertically displace, the other side of the receiving hopper, which is far away from the material channel, is provided with the material ejecting cylinder, the chuck is, the belt pulley can drive a chuck in the instrument vehicle to rotate through a triangular belt, a necking die cylinder with a necking die and a chamfering cylinder with a chamfering tool rest are respectively arranged on the front side and the rear side of the upper end of the platform of the rack, which are positioned under the material receiving hopper, the necking die cylinder and the chamfering cylinder are jointly fixed on a sliding plate, the sliding plate is limited on a guide rail plate fixed on the upper end of the platform in a sliding manner, and one end of the sliding plate, which is far away from the instrument vehicle, is connected with a propelling cylinder capable of driving the sliding plate to horizontally displace;

the vibration feeding plate sends a workpiece into the material channel in a vibration mode, the workpiece slides into the material receiving hopper, the material receiving hopper moves down to the position, on a central connecting line between a chuck and an ejection cylinder, of a workpiece axis, the ejection cylinder can push the workpiece inwards to push the workpiece into the chuck to be clamped tightly, the chuck in the instrument trolley rotates under the driving of a triangular belt, the necking die is pushed to the workpiece by the necking die cylinder, the pushing cylinder drives the necking die to advance to reduce the diameter of the workpiece, the necking die cylinder and the chamfering cylinder reset after the reduction is completed, the chamfering cylinder pushes the chamfering tool rest to the workpiece, the pushing cylinder drives the chamfering tool rest to advance to chamfer the port of the workpiece, the chamfering cylinder and the pushing cylinder reset after the chamfering is completed, and the elastic device ejects the workpiece.

Furthermore, in the three-way necking machine, the platform is provided with a through hole through which the triangular belt can be conveniently inserted.

Furthermore, in the three-way necking machine, the lower part of the vibrating feeding disc is provided with the pulse electromagnet capable of vibrating the disc body along the vertical direction, the disc body is subjected to torsional vibration around the vertical axis of the disc body due to the inclination of the spring piece, and a workpiece in the disc body rises along the spiral track due to the vibration until the workpiece is fed to the feeding hole of the material channel.

further, in the three-way necking machine, a fixing support for supporting the lifting cylinder is fixed at the upper end of the instrument trolley.

Further, in the three-way necking machine, a guide projection is arranged at the upper end of the sliding plate, and a sliding block is fixed at the lower end of each of the necking die and the chamfering tool rest and can slide along the length direction of the guide projection.

Further, in the three-way necking machine, the length direction of the guide projection is perpendicular to the length direction of the guide rail plate.

The invention has the beneficial effects that:

the three-way necking machine provided by the invention has reasonable structural design, can realize automation of a three-way raw material pipe machining process, improves necking efficiency, has high safety, reduces labor intensity of production personnel, further reduces production cost of the three-way pipe, and improves market competitiveness.

Of course, it is not necessary for any one product that embodies the invention to achieve all of the above advantages simultaneously.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.

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

FIG. 2 is a schematic front view of the present invention;

FIG. 3 is a schematic top view of the present invention;

FIG. 4 is a schematic structural view of an instrument truck and its support members according to the present invention;

in the drawings, the parts are numbered as follows:

1-frame, 2-electric cabinet, 3-vibration feeding tray, 4-instrument vehicle, 5-lifting cylinder, 6-necking cylinder, 7-receiving hopper, 8-ejection cylinder, 9-chuck, 10-necking die, 11-chamfering cylinder, 12-chamfering tool rest, 13-pushing cylinder, 14-motor, 15-material channel, 16-belt pulley, 17-triangular belt, 18-elastic device, 19-sliding plate, 20-guide rail plate, 21-guide lug and 22-sliding block.

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. 1-4, the present embodiment is a three-way necking machine, which includes a frame 1, an electric cabinet 2, a vibrating feeding tray 3, an instrument vehicle 4, a lifting cylinder 5, a necking die cylinder 6, a receiving hopper 7, a material ejecting cylinder 8, a chuck 9, a necking die 10, a chamfering cylinder 11, a chamfering tool rest 12, a propelling cylinder 13, a motor 14, a material channel 15, a belt pulley 16, a triangular belt 17, and an elastic device 18. Frame 1 is equipped with the platform, and the platform left side is installed and is shaken charging tray 3, and the electric cabinet 2 is installed to the rear side, and the instrument truck 4 is installed to the upside, and the motor 14 is installed to the below. The outer side of the vibrating feeding plate 3 is provided with a material channel 15 positioned above the instrument vehicle, and a material receiving hopper 7 is arranged at the discharge port of the material channel 15. Connect the upper end of hopper 7 to be connected with and to drive its lift cylinder 5 that carries out vertical displacement, connect the hopper 7 to keep away from the opposite side of material way 15 and be equipped with liftout cylinder 8. The instrument vehicle 4 is provided with a chuck 9 at one side close to the material ejecting cylinder 8 and an elastic device 18 at the other side. A belt pulley 16 is fixed to an output shaft of the motor 14, and the belt pulley 16 can drive the chuck 9 in the instrument truck 4 to rotate through a triangular belt 17. The upper end of the platform of the frame 1 is provided with a necking die cylinder 6 with a necking die 10 and a chamfering cylinder 11 with a chamfering tool rest 12 on the front side and the rear side under the material receiving hopper 7, the necking die cylinder 6 and the chamfering cylinder 11 are fixed on a sliding plate 19 together, the sliding plate 19 is limited in a sliding manner on a guide rail plate 20 fixed on the upper end of the platform, the guide rail plate 20 is used as a supporting part of the instrument trolley 4 at the same time, and one end of the sliding plate 19, far away from the instrument trolley 4, is connected with a propelling cylinder 13 capable of driving the sliding plate to perform horizontal.

In this embodiment, the perforation of being convenient for wear to establish V belt 17 is seted up to the platform, and the upper end of instrument truck 4 is fixed with the fixed bolster that provides the support for lift cylinder 5.

In this embodiment, the lower part of the vibrating feeding tray 3 is provided with a pulse electromagnet capable of vibrating the tray body in the vertical direction, the tray body is twisted and vibrated around the vertical axis thereof due to the inclination of the spring piece, and the workpiece in the tray body rises along the spiral track due to the vibration until being fed to the feeding port of the material channel 15. The upper end of the slide plate 19 is provided with a guide projection 21, the cross section of the guide projection 21 is dovetail-shaped, the lower ends of the necking die 10 and the chamfering tool holder 12 are respectively fixed with a slide block 22, and the slide block 22 can slide along the length direction of the guide projection 21. The longitudinal direction of the guide projection 21 is perpendicular to the longitudinal direction of the rail plate 20.

One specific application of this embodiment is: the workpiece is a pipe with the outer diameter of 12mm-40mm and the length of 35mm-80mm, when the workpiece needs to be subjected to necking processing, the upper material tray 3 is vibrated to feed the workpiece into the material channel 15, and then the workpiece slides into the material receiving hopper 7; when the receiving hopper 7 moves downwards to the position where the axis of the workpiece is located on the central connecting line between the chuck 9 and the material ejecting cylinder 8, the material ejecting cylinder 8 can be pushed inwards to push the workpiece into the chuck 9 for clamping; the chuck 9 in the instrument vehicle 4 is driven by a triangular belt 17 to rotate, the necking die cylinder 6 pushes the necking die 10 to be opposite to the workpiece, the propelling cylinder 13 drives the necking die 10 to advance to necking the workpiece, and the necking die cylinder 6 and the chamfering cylinder 11 reset after necking is finished; the chamfering cylinder 11 pushes the chamfering tool rest 12 to face a workpiece, the pushing cylinder 13 drives the chamfering tool rest 12 to advance so as to chamfer the end opening of the workpiece, the chamfering cylinder 11 and the pushing cylinder 13 reset after chamfering is finished, and the elastic device 18 ejects the workpiece.

The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.

Claims

1. A three-way necking machine is characterized in that: the automatic feeding device comprises a rack, an electric cabinet, a vibration feeding disc, an instrument vehicle, a lifting cylinder, a necking cylinder, a receiving hopper, a material ejecting cylinder, a chuck, a necking die, a chamfering cylinder, a chamfering tool rest, a propelling cylinder, a motor, a material channel, a belt pulley, a triangular belt and an elastic device, wherein the rack is provided with a platform, the vibration feeding disc is arranged on the left side of the platform, the electric cabinet is arranged on the rear side, the instrument vehicle is arranged on the upper side of the electric cabinet, the motor is arranged below the electric cabinet, the material channel above the instrument vehicle is arranged on the outer side of the vibration feeding disc, the receiving hopper is arranged at the position of a discharge port of the material channel, the lifting cylinder capable of driving the receiving hopper to vertically displace is connected to the upper end of the receiving hopper, the material ejecting cylinder is arranged on the other side of the receiving hopper far away from the material channel, the chuck is arranged on, the belt pulley can drive a chuck in the instrument vehicle to rotate through a triangular belt, a necking die cylinder with a necking die and a chamfering cylinder with a chamfering tool rest are respectively arranged on the front side and the rear side of the upper end of the platform of the rack, which are positioned under the material receiving hopper, the necking die cylinder and the chamfering cylinder are jointly fixed on a sliding plate, the sliding plate is limited on a guide rail plate fixed on the upper end of the platform in a sliding manner, and one end of the sliding plate, which is far away from the instrument vehicle, is connected with a propelling cylinder capable of driving the sliding plate to horizontally displace;

2. The three-way necking machine of claim 1, wherein: the platform is provided with a through hole which is convenient for the triangular belt to penetrate through.

3. the three-way necking machine of claim 1, wherein: the lower part of the vibrating feeding disc is provided with a pulse electromagnet which can enable the disc body to vibrate along the vertical direction, the disc body is subjected to torsional vibration around the vertical axis of the disc body due to the inclination of the spring piece, and a workpiece in the disc body rises along the spiral track due to the vibration until the workpiece is fed to the feeding hole of the material channel.

4. The three-way necking machine of claim 1, wherein: the upper end of the instrument trolley is fixed with a fixing support for supporting the lifting cylinder.

5. The three-way necking machine of claim 1, wherein: the upper end of the sliding plate is provided with a guide convex block, and the lower ends of the necking die and the chamfering tool rest are respectively fixed with a sliding block which can slide along the length direction of the guide convex block.

6. The three-way necking machine of claim 5, wherein: the length direction of the guide lug is perpendicular to the length direction of the guide rail plate.