CN213826650U

CN213826650U - High-precision tube blank punching die of three-wire drawing machine

Info

Publication number: CN213826650U
Application number: CN202022784239.6U
Authority: CN
Inventors: 刘杰
Original assignee: Jiangsu Xionghuo Machinery Manufacturing Co ltd
Current assignee: Jiangsu Xionghuo Machinery Manufacturing Co ltd
Priority date: 2020-11-26
Filing date: 2020-11-26
Publication date: 2021-07-30
Anticipated expiration: 2030-11-26

Abstract

The utility model discloses a high-precision tube blank punching die of a three-wire drawing machine, which comprises an operation box, wherein the bottom end of the inner wall of the operation box is fixedly connected with a base, two sides of the top end of the base are fixedly connected with mounting seats, the top part of one side of the two mounting seats is provided with a first chute, the two first chutes are respectively connected with two ends of a die holder in a sliding way, and the top end of the die holder is provided with a plurality of die holes. Causing the workpiece to be scrapped.

Description

High-precision tube blank punching die of three-wire drawing machine

Technical Field

The utility model relates to a mould field specifically is a high accuracy pipe perforating die of three-way drawbench.

Background

The mould is various moulds and tools for obtaining required products by injection molding, blow molding, extrusion, die casting or forging forming, smelting, stamping and other methods in industrial production. In short, a mold is a tool used to make a shaped article, the tool being made up of various parts, different molds being made up of different parts. The processing of the appearance of an article is realized mainly through the change of the physical state of a formed material. The element has the name of "industrial mother". The blank is formed into a tool with a specific shape and size under the action of external force. The method is widely applied to blanking, die forging, cold heading, extrusion, powder metallurgy part pressing, pressure casting and the forming processing of compression molding or injection molding of products such as engineering plastics, rubber, ceramics and the like. The die has a specific contour or cavity shape, and the blank can be separated (blanked) according to the contour shape by applying the contour shape with the cutting edge. The blank can obtain a corresponding three-dimensional shape by using the shape of the inner cavity. The mold generally comprises a movable mold and a fixed mold (or a male mold and a female mold), which can be separated or combined. When the blank is closed, the blank is injected into the die cavity for forming. The die is a precise tool, has a complex shape, bears the expansion force of a blank, and has higher requirements on structural strength, rigidity, surface hardness, surface roughness and processing precision, the development level of die production is one of important marks of the mechanical manufacturing level, and in the existing die for perforating a workpiece of a three-wire drawing machine, certain perforating treatment on all holes of the workpiece cannot be realized, and the punch is inconvenient to detach and replace when the punch breaks down.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a three-way drawbench's high accuracy pipe perforating die to the unable realization that proposes in solving above-mentioned background art carries out certain perforation to all holes of machined part and is not convenient for dismantle the problem of changing to it when the drift breaks down.

In order to achieve the above object, the utility model provides a following technical scheme: a high-precision tube blank punching die of a three-wire drawing machine comprises an operation box, wherein the bottom end of the inner wall of the operation box is fixedly connected with a base, two sides of the top end of the base are fixedly connected with installation seats, the top of one side of each of the two installation seats is provided with a first chute, the two first chutes are respectively in sliding connection with two ends of a die holder, the top end of the die holder is provided with a plurality of die holes, the middle part of the top end of the base is in sliding connection with a workpiece, the top end of the inner wall of the operation box is fixedly provided with a hydraulic cylinder, the output end of the hydraulic cylinder is fixedly connected with a hydraulic telescopic rod, the bottom end of the hydraulic telescopic rod is fixedly connected with an installation plate, two ends of the installation plate are respectively in sliding connection with second chutes arranged in the middle parts of two sides of the inner wall of the operation box, the bottom end of the installation plate is respectively and fixedly provided with a plurality of punches through a plurality of fixing devices, the plurality of punches are respectively arranged corresponding to the plurality of die holes.

As a preferred technical scheme of the utility model, one side fixed mounting of control box has the switch, the pneumatic cylinder passes through switch and external power supply electric connection.

As a preferred technical scheme of the utility model, the one end of control box articulates there is the retractable door, the one end fixedly connected with at retractable door one side middle part draws the handle, the other end at retractable door one side middle part is fixed and is provided with transparent observation window.

As a preferred technical scheme of the utility model, two threaded hole, two are all seted up to one side of first spout the equal threaded connection of screw hole has spacing bolt, two spacing bolt corresponds the setting with the both ends of die holder respectively.

As a preferred technical scheme of the utility model, a plurality of fixing device comprises type of falling U fixing base, splint, screw thread post and rotatory handle, the middle part threaded connection of type of falling U fixing base one side has the screw thread post, the rotatory handle of one end fixedly connected with of screw thread post, the other end rotation of screw thread post is connected with splint, the third spout sliding connection that the top of splint and type of falling U fixing base inner wall top were seted up, the equal fixedly connected with slipmat in one side of the one side of type of falling U fixing base inner wall and splint.

Compared with the prior art, the beneficial effects of the utility model are that: the device simple structure, high durability and convenient operation, realize carrying out one-time perforation to the machined part through the setting of a plurality of drift, the production efficiency has been improved greatly, come the drift to fix through the combined action of the type of falling U fixing base and splint, avoid taking place to rock at fenestrate in-process drift and drop even and lead to the perforating effect not good, can also be through rotating rotatory handle, drive splint, and then pull down the drift and change, come to carry out spacing fixed to the position of die holder through two spacing bolts, and then also fix the machined part, avoid taking place to remove at fenestrate in-process die holder or machined part and lead to perforating the deviation, cause the machined part to scrap, the setting up of transparent observation window is convenient for the operator to observe the condition inside the control box.

Drawings

Fig. 1 is a front sectional view of the present invention;

fig. 2 is a perspective view of the present invention;

fig. 3 is a structural diagram of the fixing device of the present invention.

In the figure: 1. an operation box; 2. a base; 3. a mounting seat; 4. a die holder; 5. a punch; 6. a fixing device; 7. mounting a plate; 8. a hydraulic telescopic rod; 9. a hydraulic cylinder; 10. a switch; 11. a limit bolt; 12. a die hole; 13. processing a workpiece; 14. opening and closing the door; 15. pulling a handle; 16. a transparent viewing window; 17. an inverted U-shaped fixing seat; 18. a non-slip mat; 19. a splint; 20. a threaded post; 21. the handle is rotated.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, the utility model provides a high precision tube blank punching die of a three-wire drawing machine, which comprises an operation box 1, wherein the bottom end of the inner wall of the operation box 1 is fixedly connected with a base 2, both sides of the top end of the base 2 are fixedly connected with mounting seats 3, the top part of one side of each of the two mounting seats 3 is provided with a first chute, the two first chutes are respectively connected with both ends of a die holder 4 in a sliding way, the top end of the die holder 4 is provided with a plurality of die holes 12, the middle part of the top end of the base 2 is connected with a workpiece 13 in a sliding way, the top end of the inner wall of the operation box 1 is fixedly provided with a hydraulic cylinder 9, the output end of the hydraulic cylinder 9 is fixedly connected with a hydraulic telescopic rod 8, the bottom end of the hydraulic telescopic rod 8 is fixedly connected with a mounting plate 7, both ends of the mounting plate 7 are respectively connected with second chutes arranged in the middle parts of both sides of the inner wall of the operation box 1 in a sliding way, the bottom end of the mounting plate 7 is respectively fixedly provided with a plurality of punches 5 through a plurality of fixing devices 6, the plurality of punches 5 are respectively arranged corresponding to the plurality of die holes 12.

Preferably, one side fixed mounting of control box 1 has switch 10, and pneumatic cylinder 9 passes through switch 10 and external power supply electric connection, opens switch 10, and pneumatic cylinder 9 circular telegram begins to start, drives hydraulic telescoping rod 8 downstream, and then promotes a plurality of drift 5 downstream simultaneously, handles punching a hole to fixed machined part 13.

Preferably, one end of the operation box 1 is hinged with an opening and closing door 14, one end of the middle part of one side of the opening and closing door 14 is fixedly connected with a pull handle 15, the other end of the middle part of one side of the opening and closing door 14 is fixedly provided with a transparent observation window 16, and the arrangement of the transparent observation window 16 is convenient for an operator to observe the condition inside the operation box 1.

Preferably, threaded holes are formed in one side of each of the two first sliding grooves, each threaded hole is connected with a limiting bolt 11 in a threaded mode, the two limiting bolts 11 are arranged corresponding to two ends of the die holder 4 respectively, the position of the die holder 4 is limited and fixed through the two limiting bolts 11, then the machined part 13 is fixed, and the situation that the die holder 4 or the machined part 13 is moved in the process of punching to cause punching deviation and scrap the machined part 13 is avoided.

Preferably, a plurality of fixing device 6 is by the type of falling U fixing base 17, splint 19, screw thread post 20 and rotatory handle 21 are constituteed, the middle part threaded connection of the type of falling U fixing base 17 one side has screw thread post 20, the rotatory handle 21 of one end fixedly connected with of screw thread post 20, the other end rotation of screw thread post 20 is connected with splint 19, the top of splint 19 and the third spout sliding connection of seting up on the type of falling U fixing base 17 inner wall top, the equal fixedly connected with slipmat 18 in one side of the type of falling U fixing base 17 inner wall and one side of splint 19, come to fix drift 5 through the combined action of the type of falling U fixing base 17 and splint 19, it is not good to avoid rocking or even dropping at fenestrate in-process drift 5 and lead to the perforation effect, can also be through rotating rotatory handle 21, drive splint 19, and then pull down drift 5 and change.

When the three-wire drawing machine is used, the utility model relates to a high-precision tube blank punching die of a three-wire drawing machine, an operator firstly places a workpiece 13 on a base 2, then slides a die holder 4 on the workpiece 13 along a first chute, then introduces a limit bolt 11 from a threaded hole, and limits and fixes the position of the die holder 4 through two limit bolts 11, so as to fix the workpiece 13, thereby avoiding the deviation of punching caused by the movement of the die holder 4 or the workpiece 13 in the punching process, causing the scrap of the workpiece 13, then opens a switch 10, starts the hydraulic cylinder 9 to be electrified, drives a hydraulic telescopic rod 8 to move downwards, further pushes a plurality of punches 5 to move downwards simultaneously, and punches the fixed workpiece 13, in the punching process, the arrangement of a transparent observation window 16 is convenient for the operator to observe the condition inside an operation box 1, when the punch 5 is worn or broken, the rotating handle 21 can be rotated to drive the clamping plate 19, so that the punch 5 can be detached for replacement.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims

1. The utility model provides a three-wire drawing machine's high accuracy pipe piercing die, includes control box (1), its characterized in that: the bottom of the inner wall of the operation box (1) is fixedly connected with a base (2), two sides of the top end of the base (2) are fixedly connected with mounting seats (3), the top of one side of each of the two mounting seats (3) is provided with a first chute, the two first chutes are respectively connected with two ends of a die holder (4) in a sliding manner, the top end of the die holder (4) is provided with a plurality of die holes (12), the middle part of the top end of the base (2) is connected with a workpiece (13) in a sliding manner, the top end of the inner wall of the operation box (1) is fixedly provided with a hydraulic cylinder (9), the output end of the hydraulic cylinder (9) is fixedly connected with a hydraulic telescopic rod (8), the bottom end of the hydraulic telescopic rod (8) is fixedly connected with a mounting plate (7), two ends of the mounting plate (7) are respectively connected with second chutes arranged in the middle parts of two sides of the inner wall of the operation box (1) in a sliding manner, the bottom of mounting panel (7) is fixed respectively through a plurality of fixing device (6) and is provided with a plurality of drift (5), a plurality of drift (5) correspond the setting with a plurality of nib (12) respectively.

2. A high precision tube blank piercing die of a three-wire drawing machine according to claim 1, characterized in that: one side fixed mounting of control box (1) has switch (10), pneumatic cylinder (9) pass through switch (10) and external power electric connection.

3. A high precision tube blank piercing die of a three-wire drawing machine according to claim 1, characterized in that: one end of the operation box (1) is hinged with an opening and closing door (14), one end of the middle part of one side of the opening and closing door (14) is fixedly connected with a pull handle (15), and the other end of the middle part of one side of the opening and closing door (14) is fixedly provided with a transparent observation window (16).

4. A high precision tube blank piercing die of a three-wire drawing machine according to claim 1, characterized in that: threaded holes are formed in one side of the first sliding groove, threaded holes are formed in the threaded holes, limiting bolts (11) are connected to the threaded holes in a threaded mode, and the limiting bolts (11) are arranged corresponding to two ends of the die holder (4) respectively.

5. A high precision tube blank piercing die of a three-wire drawing machine according to claim 1, characterized in that: a plurality of fixing device (6) comprise by type of falling U fixing base (17), splint (19), screw thread post (20) and rotatory handle (21), the middle part threaded connection of type of falling U fixing base (17) one side has screw thread post (20), the rotatory handle of one end fixedly connected with (21) of screw thread post (20), the other end of screw thread post (20) is rotated and is connected with splint (19), the third spout sliding connection that the top of splint (19) and type of falling U fixing base (17) inner wall top were seted up, the equal fixedly connected with slipmat (18) in one side of type of falling U fixing base (17) inner wall and one side of splint (19).