CN212312862U - Large-station-length adjustable striking head device of numerical control turret punch press - Google Patents

Abstract

The utility model relates to a big-station length adjustable striking head device of a numerical control turret punch press, belonging to a punch press die stamping device. The utility model mainly comprises a striking head component, a lock core, an inner adjusting seat, an outer adjusting sleeve and a base. When the height of the striking head needs to be adjusted, the button needs to be pressed, the lock pin at the tail end of the button is enabled to be abducted in the annular groove of the lock cylinder, then the striking head component is rotated to drive the outer adjusting sleeve connected with the striking head component to rotate, and the height of the striking head can be changed. Based on changing the head height of hitting, the essence changes the last mould closed height of hookup on it, so the utility model discloses can regard as an solitary composite set, application scope is wide, both can be used to on stamping die, can be used to on forming die again, so the commonality is good, and adjusting range is big moreover, and it is little to adjust the interval, simple structure, low in manufacturing cost has and adjusts in real time on the lathe, so convenient operation.

Description

Large-station-length adjustable striking head device of numerical control turret punch press

Technical Field

The utility model relates to a punch press die stamping device, especially adjustable hitting head device of big station length of numerical control turrent punch press.

Background

The big station of numerical control turrent punch press that uses at present goes up the mould, in order to adjust go up the mould closure height, mostly must between guide arm and last mould body, increase and decrease the gasket of appropriate thickness, must break down the mould on the whole numerical control die for this reason, has increased a lot of work load. Although some molds have an upper mold length adjusting device, the upper mold length adjusting device is generally a mold structure, has poor universality, is complex in structure and inconvenient to operate, and particularly cannot be adjusted on a machine tool in real time, so that the popularization and the application of the upper mold length adjusting device are limited.

Disclosure of Invention

The utility model aims at providing an solitary composite set both can be used in stamping die and can be used in forming die on, with go up the mould of mould body constitution jointly, it is good to have a commonality ability, and can real-time quick adjustment simple structure's adjustable hitting head device of big worker bit length of numerical control turrent punch press.

The technical solution of the utility model is that the big-station length adjustable striking head device of the numerical control turret punch press comprises a striking head component, a lock core, an inner adjusting seat, an outer adjusting sleeve and a base. The striking head assembly consists of a striking head body, a button, a lock pin and a return spring. The striking head body is a disc with an inner hole, the upper end face of the inner hole is provided with a counter bore, the upper end face of the inner hole is also provided with a plurality of counter bores for mounting counter screws, the lower end face of the striking head body is provided with two round holes for mounting positioning pins, the outer diameter of the striking head body is provided with a radial step hole, a button with a lock pin fixedly arranged at the tail end and a return spring are arranged in the step hole, and the return spring is abutted between the bottom face of the counter bore and the shoulder of the head of the button. The lock core is a hollow step pin shaft with a small upper part and a big lower part, the lower part of a cylinder below the step pin shaft is a polygon prism, the shaft diameter of the upper part of the step pin shaft is matched with an inner hole of the striking head body, the upper end of the step pin shaft is provided with an annular groove, the striking head body is connected with the shaft through a clamping ring, the shoulder part of the step pin shaft is propped against the lower end surface of the striking head body, the root part of the shaft shoulder end surface is provided with the annular groove, a plurality of straight grooves are radially and uniformly distributed outside the annular groove and are communicated with the annular groove, the lockpins on the button. The inner adjusting seat is a cylinder body which is externally provided with threads and internally provided with a counter bore, the upper part of the counter bore is provided with a prismatic hole which is matched with the polygon prism at the lower end of the lock cylinder in a sliding way, the lower part of the counter bore is provided with a small counter bore for installing a fastening screw, the upper end face of the small counter bore is provided with a small hole for installing a top spring, and the top spring is propped against the lower end face of the lock cylinder. The outer adjusting sleeve is cylindrical, an inner hole in the upper portion of the outer adjusting sleeve is matched with the outer diameter of the lower portion of the lock cylinder in a sliding mode, an inner thread in the lower portion of the outer adjusting sleeve is matched with an outer thread of the inner adjusting seat, a plurality of screw holes and positioning pin holes corresponding to the striking head body are evenly distributed in the upper portion of the outer adjusting sleeve, and the outer adjusting sleeve is fixedly located with the striking head body through screws and positioning pins.

The base is disc-shaped, a plurality of counter bores for mounting fastening screws are uniformly distributed on the upper end face of the base, internal threads are arranged at the core part of the base, and the base is connected with the inner adjusting seat through the fastening screws.

The utility model discloses an theory of operation is, this hitting head device is generally installed on the die body on the big station of numerical control turrent punch press, constitutes and goes up the mould, when needs change hitting head height, can press the outer tip of button, and reset spring's elasticity is overcome to the inside slip of hitting head to the button, makes the lockpin of fixing terminal surface under the button break away from the straight flute of looks lock joint with it, and the lockpin is in the lock disc up end annular groove, the unblock of mechanism this moment. The striking head body and the lock cylinder are axially limited by the elastic snap ring, the polygon prism at the lower end of the lock cylinder is limited by the polygon hole matched with the inner adjusting seat to rotate and only can move up and down, the striking head body can be rotated according to needs at the moment, so that the striking head body and the inner adjusting seat axially move, the pressing button is loosened until the striking head is at a proper position, the lock pins fixedly connected to the button are buckled with the straight grooves which are radially distributed under the action of the reset spring, the weight of the striking head is locked again, and the adjustment is completed.

The utility model relates to an solitary composite set, application scope is wide, both can be used to stamping die, can be used to forming die again, so the commonality is good, and control range is big moreover, and it is little to adjust the interval, simple structure, low in manufacturing cost has and adjusts in real time on the lathe, so convenient operation.

Drawings

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

FIG. 2 is an exploded perspective view of the button, the latch and the return spring of the striking head assembly of the present invention;

fig. 3 is a perspective view of the lock cylinder of the present invention.

Detailed Description

As shown in fig. 1, fig. 2 and fig. 3, the utility model mainly comprises a striking head assembly 101, a lock cylinder 1, an inner adjusting seat 2, an outer adjusting sleeve 3, a base 4, a top spring 5, a fastening screw 6, a snap ring 7, a countersunk head screw 8, a positioning pin 9 and the like.

As shown in fig. 1 and 2, the striking head assembly 101 is composed of a striking head body 101-1, a button 101-2, a lock pin 101-3, a return spring 101-4, and the like. The striking head body 101-1 is a disk with an inner hole, the upper end face of the inner hole is provided with a counter bore, the upper end face of the inner hole is also provided with 4 counter bores for mounting a counter screw 8, the lower end face of the inner hole is provided with two round holes for mounting a positioning pin 9, the outer diameter of the striking head body 101-1 is provided with a radial step hole, a button 101-2 with a locking pin 101-3 fixedly arranged at the tail end and a return spring 101-4 are arranged in the step hole, and the return spring 101-4 is propped against between the bottom face of the counter bore and the shoulder part of the head of the button 101-2.

As shown in fig. 1 and 3, the lock core 1 is a hollow stepped pin shaft with a small upper part and a large lower part, the lower part of the lower cylinder of the stepped pin shaft is a quadrangular prism 1-1, the upper shaft diameter 1-2 of the stepped pin shaft is matched with an inner hole of a striking head body 101-1, the upper end of the stepped pin shaft is provided with an annular groove 1-3, the stepped pin shaft is connected with the striking head body 101-1 by a shaft through a snap ring 7, the top of the shoulder part of the stepped pin shaft is leaned against the lower end surface of the striking head body 101-1, the end surface of the shaft shoulder is provided with an annular groove 1-4 near the root part, 12 straight grooves 1-5 are radially and uniformly distributed and processed outside the annular groove and are communicated with the annular groove 1-4, a lock pin 101-3 fixedly connected with a button 101-2 in a locking state is inserted into the; the button 101-2 is pressed and the locking pin 101-3 is in the annular groove 1-4 and the mechanism is unlocked.

The inner adjusting seat 2 is a cylinder body which is externally provided with threads and internally provided with a counter bore, the upper part of the counter bore is provided with a square hole which is matched with the quadrangular prism 1-1 at the lower end of the lock cylinder 1 in a sliding way, the lower part of the counter bore is provided with a small counter bore for installing a fastening screw 6, the upper end surface of the small counter bore is provided with 4 small holes for installing a top spring 5, and the top spring 5 is propped against the lower end surface of the lock cylinder 1.

The outer adjusting sleeve 3 is cylindrical, an inner hole is formed in the upper portion of the outer adjusting sleeve and matched with the outer diameter 1-1 of the lower portion of the lock cylinder 1 in a sliding mode, internal threads are formed in the lower portion of the outer adjusting sleeve and matched with external threads of the inner adjusting seat 2, 4 screw holes and positioning pin holes corresponding to the striking head body 101-1 are uniformly formed in the upper portion of the outer adjusting sleeve, and the outer adjusting sleeve 3 is fixedly located with the striking head body 101-1 through 4 countersunk head screws 8 and 2 positioning pins 9.

The base 4 is disc-shaped, 4 counter bores for installing fastening screws are uniformly distributed and processed on the upper end face of the base 4, internal threads are processed on the core part of the base, and the base 4 is connected with the internal adjusting seat 2 through a fastening screw 6. The base 4 is used for connecting the upper mold body 11, and the upper mold body 11 is indicated by a two-dot chain line because it does not make the content of the present invention.

Claims (2)

1. The large-work-position length-adjustable striking head device of the numerical control turret punch press comprises a striking head assembly, a lock cylinder, an inner adjusting seat, an outer adjusting sleeve and a base; the striking head component consists of a striking head body, a button, a lock pin and a return spring; the striking head is a disc with an inner hole, the upper end face of the inner hole is provided with a counter bore, the upper end face of the inner hole is also provided with a plurality of counter bores for mounting counter screws, the lower end face of the striking head is provided with two round holes for mounting positioning pins, the outer diameter of the striking head is provided with a radial step hole, a button with a lock pin fixedly arranged at the tail end and a reset spring are arranged in the step hole, and the reset spring is propped against between the bottom surface of the counter bore and the shoulder part of the head of the button; the lock core is a hollow step pin shaft with a small upper part and a big lower part, the lower part of a lower cylinder of the step pin shaft is a polygon, the shaft diameter of the upper part of the step pin shaft is matched with an inner hole of the striking head body, the upper end of the step pin shaft is provided with an annular groove, the shaft is connected with the striking head body by a snap ring, the shoulder part of the step pin shaft is propped against the lower end surface of the striking head body, the root part of the shaft shoulder end surface is provided with the annular groove, a plurality of straight grooves are radially and uniformly distributed outside the annular groove and are communicated with the annular groove, the lockpins on the button are; the inner adjusting seat is a cylinder body which is externally provided with threads and internally provided with a counter bore, the upper part of the counter bore is provided with a prismatic hole which is matched with the polygonal body at the lower end of the lock cylinder in a sliding way, the lower part of the counter bore is provided with a small counter bore for installing a fastening screw, the upper end surface of the small counter bore is provided with a small hole for installing a top spring, and the top spring is propped against the lower end surface of the lock cylinder; the outer adjusting sleeve is cylindrical, an inner hole in the upper portion of the outer adjusting sleeve is matched with the outer diameter of the lower portion of the lock cylinder in a sliding mode, an inner thread in the lower portion of the outer adjusting sleeve is matched with an outer thread of the inner adjusting seat, a plurality of screw holes and positioning pin holes corresponding to the striking head body are evenly distributed in the upper portion of the outer adjusting sleeve, and the outer adjusting sleeve is fixedly located with the striking head body through screws and positioning pins.

2. The large-station length adjustable striking head device of a numerical control turret punch press as claimed in claim 1, wherein the base is disc-shaped, a plurality of counter bores for mounting fastening screws are uniformly formed in an upper end surface of the base, an internal thread is formed in a core portion of the base, and the base is connected with the internal adjusting seat by the fastening screws.

Images