CN201046481Y

CN201046481Y - Numerical control punch press mold bounce-proof combined top die apparatus

Info

Publication number: CN201046481Y
Application number: CNU2007200502573U
Authority: CN
Inventors: 李伟峰
Original assignee: Individual
Current assignee: Individual
Priority date: 2007-04-12
Filing date: 2007-04-12
Publication date: 2008-04-16
Anticipated expiration: 2017-04-12

Abstract

The utility model discloses a combined upper die apparatus for material-jumping proof of numerical control punching machine die, comprising a die shank (1), a punch (2), a knockout pin (3) and an elastic member (4), which is characterized in that: the die shank (1) and the punch (2) are assembled with each other; the punch (2) is fixedly arranged at the lower end of the die shank (1) through a screw thread; the through hole is arranged on the punch (2); the diameter of the through hole is fit for the size of the knockout pin (3), and the length of the through hole is less than the length of the knockout pin (3); the upper end of the knockout pin (3) is fixed on the top part of the through hole of the punch (2), and the lower end of the knockout pin (3) is crossed the through hole. Both ends of the elastic member (4) are fixedly connected at the top part of the knockout pin (3) and the lower end of the die shank (1) respectively. The utility model has the advantages of compact size of the knockout pin, capability for installation of the die even with the size lower than 3.5mm, easy manufacture of the knockout pin, convenient installation and fixation, low cost, capability for effective prevention of material-jumping, capability for adjustment according to the wearing condition, and service life prolonging.

Description

The anti-jump material combination of numerical control punch die upper mould device

Technical field

The utility model relates to a kind of numerical control press die set, is specifically related to a kind of numerical control punch die combination upper mould device.

Background technology

The method majority that the anti-jump material of present domestic numerical control punch die adopts is at the punch die head liftout rubber to be housed, such way plays the effect of anti-jump material to a certain extent, but still has many shortcomings: (1) requires the size of punch die could install more than 6mm; (2) rubber is short service life, needs frequently to change; (3) after the drift wearing and tearing are shortened, influence the installation of liftout rubber, come off easily.And actual conditions are: easy more the going up of the waste material that size is more little jumped, and influences the processing of punch press, and above restriction makes liftout rubber can not be suitable for undersized punch die, i.e. the system of being limited in scope of Ying Yonging; Frequent replacing, come off easily, influence is processing normally.

And external Mold Making merchant does specially treated with counterdie, also can effectively place and jump on the waste material, can lose but be ground to a certain degree its anti-jump function of back, and price is high and fail to popularize at home to use.

The utility model content

The purpose of this utility model provides that a kind of materials device simple in structure, anti-jump is easy for installation, the combination upper mould device of long service life.

The purpose of this utility model is to realize by following technical scheme: the anti-jump material combination of a kind of numerical control punch die upper mould device, comprise die shank and drift, described die shank and drift assemble mutually, drift is fixed in the lower end of die shank by thread bush, it is characterized in that: also include push rod and elastic component, described drift has through hole, and the size of through-hole diameter and push rod adapts, and the length of through hole is less than the length of push rod; Described push rod passes the through hole of drift, and the upper end is positioned at the top of drift through hole, and the lower end passes through hole; The top of the fixedly connected push rod of two ends difference of described elastic component and the lower end of die shank.

As a kind of embodiment of the present utility model, described push rod is " T " font, and the size of its upper end is greater than the through hole of drift, and the size of lower end and the diameter of through hole adapt, and the upper end of push rod is stuck in the through hole top of drift, limits the position of push rod.

As another kind of embodiment of the present utility model, the utility model also includes screw, and the end face of described die shank lower end has groove, and the size of the size of groove and push rod upper end adapts, and the bottom of groove is provided with screw thread; Described push rod upper end is placed in the groove; Described elastic component is positioned at groove, and its two ends are connected to the top of push rod and the top of groove; Described screw screws in the bottom of groove, and the upper end of push rod is stuck in its top, limits the position of push rod.

The described elastic component of this practical sexual type is a spring.

The beneficial effects of the utility model are: the size of push rod is little, even if little mould to 3.5mm also can be installed; The manufacturing of push rod is simple, installation, convenient fixing, and cost is low, can effectively prevent to jump material, and can prolong service life according to the situation adjustment of using after the wearing and tearing.

Description of drawings

Fig. 1 is the structure cross-sectional schematic of one of the utility model embodiment;

Fig. 2 is two the structure partial cross-sectional schematic of the utility model embodiment.

The specific embodiment

The anti-jump material combination of a kind of numerical control punch die as shown in Figure 1 upper mould device is one of embodiment of the present utility model, it comprises die shank 1, drift 2, push rod 3 and spring 4, described die shank 1 and drift 2 assemble mutually, and drift 2 is fixed in the lower end of die shank 1 by thread bush; Described drift 2 has through hole, and the length of through hole is less than the length of push rod 3; Described push rod 3 is " T " font, and the size of its upper end is greater than the through hole of drift 2, and the size of lower end and the diameter of through hole adapt; Described push rod 3 passes the through hole of drift 2, and the upper end is stuck in the through hole top of drift 2, and whole push rod 3 is fixed on the top of drift 2 through holes, and the lower end passes through hole; The top of the fixedly connected push rod 3 of two ends difference of described spring 4 and the lower end of die shank 1.

The anti-jump material combination of a kind of numerical control punch die as shown in Figure 2 upper mould device is two of embodiment of the present utility model, what it was different with one of embodiment is: also include screw 5, and the end face of described die shank 1 lower end has groove, the size of the size of groove and push rod 3 upper ends adapts, and the bottom of groove is provided with screw thread; Described push rod 3 upper ends are placed in the groove; Described spring 4 is positioned at groove, and its two ends are connected to the top of push rod 3 and the top of groove; Described screw 5 screws in the bottom of grooves, and the upper end of push rod 3 is stuck in its top, limits the position of push rod 3.

Claims

1. the anti-jump material of numerical control punch die makes up upper mould device, comprise die shank (1) and drift (2), described die shank (1) and drift (2) be assembling mutually, drift (2) is fixed in the lower end of die shank (1) by thread bush, it is characterized in that: also include push rod (3) and elastic component (4), described drift (2) has through hole, and the size of through-hole diameter and push rod (3) adapts, and the length of through hole is less than the length of push rod (3); Described push rod (3) passes the through hole of drift (2), and the upper end is fixed on the top of drift (2) through hole, and the lower end passes through hole; The top of the two ends fixedly connected push rods of difference (3) of described elastic component (4) and the lower end of die shank (1).

2. the anti-jump material combination of numerical control punch die according to claim 1 upper mould device, it is characterized in that: described push rod (3) is " T " font, the size of its upper end is greater than the through hole of drift (2), the size of lower end and the diameter of through hole adapt, the upper end of push rod (3) is stuck in the through hole top of drift (2), limits the position of push rod (3).

3. the anti-jump material combination of numerical control punch die according to claim 1 upper mould device, it is characterized in that: also include screw (5), and the end face of described die shank (1) lower end has groove, and the size of the size of groove and push rod (3) upper end adapts, and the bottom of groove is provided with screw thread; Described push rod (3) upper end is placed in the groove; Described elastic component (4) is positioned at groove, and its two ends are connected to the top of push rod (3) and the top of groove; Described screw (5) screws in the bottom of groove, and the upper end of push rod (3) is stuck in its top, limits the position of push rod (3).

4. according to claim 1 or the anti-jump material combination of 3 described numerical control punch dies upper mould device, it is characterized in that: described elastic component (4) is a spring.