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Extrusion die with self-locking function

A technology for extrusion dies and functions, which is applied in the field of extrusion dies with self-locking functions, and can solve problems affecting work efficiency and low firmness

Inactive Publication Date: 2014-04-23
SUZHOU SANJI FOUNDRY EQUIP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] The mold is the main tool in die-casting production, so when designing the mold, care should be taken to make the overall structure of the mold reasonable, safe and reliable, which is convenient for manufacturing and production. The clamping force of the extrusion machine must be greater than the expansion force of the mold, which is safe for production. The premise is that the existing mold locking method is realized by using the hydraulic mold locking mechanism of the extruder, which is not firm enough, thus affecting the work efficiency

Method used

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  • Extrusion die with self-locking function
  • Extrusion die with self-locking function
  • Extrusion die with self-locking function

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0018] Such as figure 1 As shown, the extrusion die includes: a movable mold 1, a static mold 2, a movable mold ear 10 is respectively provided on both sides of the movable mold 1, and a movable mold ear 10 is arranged on the static mold 2 corresponding to the movable mold ear 10 Static mold ear 20, static mold ear 20 and movable mold ear 10 constitute conical body 100 (such as figure 2 shown), the static mold ear 10 is fixedly connected with the piston rod of the oil cylinder 4, the cylinder body of the oil cylinder 4 is provided with a locking ring 3, and the locking ring 3 is provided with a tapered surface, and the tapered The face matches said cone 100 .

Embodiment 2

[0020] Such as image 3 As shown, the extrusion die also includes that the piston rod 40 of the oil cylinder 4 is fixedly connected with the movable mold ear 20, and the cylinder body of the oil cylinder 4 is provided with a locking ring 3, and the locking ring 3 A tapered surface is provided, which matches the tapered body 100 .

[0021] Preferably, the conical body 100 is a conical frustum, and the conical surface matches the conical frustum.

[0022] Preferably, the oil cylinder 4 includes a front chamber of the oil cylinder and a rear chamber of the oil cylinder, and the area of ​​the rear chamber of the oil cylinder is larger than the area of ​​the front chamber of the oil cylinder.

[0023] When working, the front cavity of the oil cylinder 4 enters the oil and the locking ring locks the conical round platform 100 formed by the movable mold ear 10 and the static mold ear 20 on the movable mold 1 and the static mold 2, and the mold is locked; The locking ring 3 is drive...

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Abstract

The invention discloses an extrusion die with a self-locking function and relates to the technical field of extrusion presses. The extrusion die comprises a moving die and a fixed die, both sides of the moving die are respectively provided with a moving die lug, the fixed die is correspondingly provided with fixed die lugs, and when the moving die and the fixed die are fastened, the fixed die lugs and the moving die lugs form a cone-shaped body; the fixed die lug is fixedly connected with the piston rod of an oil cylinder, the cylinder body of the oil cylinder is provided with a locking ring, the locking is provided with a conical surface, and the conical surface is matched with the cone-shaped body. The extrusion die with the self-locking function achieves self locking of a casting die and enhances the firmness of the die; the area of the rear cavity of the oil cylinder is larger than that of the front cavity of the oil cylinder, so that the worry over dead locking due to overlarge locking force can be avoided.

Description

technical field [0001] The invention relates to the technical field of extrusion machines, in particular to an extrusion die with a self-locking function. Background technique [0002] The mold is the main tool in die-casting production, so when designing the mold, care should be taken to make the overall structure of the mold reasonable, safe and reliable, which is convenient for manufacturing and production. The clamping force of the extrusion machine must be greater than the expansion force of the mold, which is safe for production. The premise is that the existing mold locking method is realized by using the hydraulic mold locking mechanism of the extruder, which is not firm enough, thus affecting the work efficiency. Contents of the invention [0003] (1) Technical problems to be solved [0004] The technical problem to be solved by the present invention is to provide an extrusion mold with a self-locking function to realize the self-locking function of the casting m...

Claims

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Application Information

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IPC IPC(8): B22D17/22B22D17/26
Inventor 杨苏鹏袁耀原孔跃明赵峰刘正权密林其
Owner SUZHOU SANJI FOUNDRY EQUIP
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