CN210817045U

CN210817045U - Precision stamping die for deep-hole workpieces

Info

Publication number: CN210817045U
Application number: CN201921918560.XU
Authority: CN
Inventors: 肖芳芳
Original assignee: Sound Love Technology Shenzhen Co ltd
Current assignee: Sound Love Technology Shenzhen Co ltd
Priority date: 2019-11-08
Filing date: 2019-11-08
Publication date: 2020-06-23
Anticipated expiration: 2029-11-08

Abstract

The utility model belongs to the technical field of stamping dies, and discloses a precise stamping die for deep hole parts, which comprises a base, wherein a lower die holder is arranged in the middle of the top of the base, supporting rods are fixed at one side of two ends of the top of the base close to the lower die holder, an upper die holder is sleeved between the outer walls of the two supporting rods close to the upper die holder, punches penetrate through two sides of the interior of the upper die holder, screw barrels are arranged at positions of the top of the upper die holder close to two sides of the punches, and screw rods penetrate through two screw barrels, the utility model discloses a rotary sleeve is rotated to lead the screw rods to rotate and stretch in the screw barrels, then the screw rods are close to the punches and enter the screw holes, the punches are locked through threaded connection, and simultaneously the punches are moved up and down to change the screw rods to enter the screw holes with different heights, thereby changing the depth of the punches, and then can adjust according to the work piece degree of depth difference.

Description

Precision stamping die for deep-hole workpieces

Technical Field

The utility model belongs to the technical field of stamping die, concretely relates to accurate stamping die of deep hole class finished piece.

Background

A stamping die is a special processing device for processing a material (metal or nonmetal) into a part (or a semi-finished product) in cold stamping, and is called a cold stamping die (commonly called a cold stamping die), and stamping is a pressure processing method for applying pressure to the material by using a die installed on a press machine at room temperature to separate or plastically deform the material so as to obtain a required part.

In chinese patent with patent No. CN201721094150.9, a precision stamping die for deep-hole parts is disclosed, the device firstly carries out ordinary stamping on a workpiece for a first cavity with a small depth, and then carries out stamping for a deeper second cavity, but in actual operation, because it is difficult to carry out rapid stamping for two cavities with different depths, not only the operation steps are cumbersome, and the working efficiency is low, in addition, the device is excessive through setting up a convex die to prevent stamping, but the convex part of the convex die is easy to block the punch from pressing down during actual use, and the buffering effect is not good, and the impact force can not be effectively weakened, thereby easily increasing the rejection rate of the workpiece.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an accurate stamping die of deep hole class finished piece to the cavity that is difficult to the degree of depth difference that proposes among the above-mentioned background art carries out quick punching press, and the not good problem of buffering effect.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an accurate stamping die of deep hole class finished piece, includes the base, install the die holder in the middle of the top of base, and one side that the top both ends of base are close to the die holder all is fixed with the bracing piece, two the top cover that is close to the die holder between the outer wall of bracing piece is equipped with the upper die base, the drift has all been run through to the inside both sides of upper die base, and the top of upper die base is close to the position department of drift both sides and all installs the barrel, two the screw rod has all been run through to the inside of barrel, the both sides of drift all seted up with screw rod assorted screw, the one end that the drift was kept away from to the screw rod all.

Preferably, fixed frame is all installed at the top both ends of base, the inside of fixed frame is fixed with the second spring, the slider is installed to the one end of second spring, the one end that the second spring was kept away from to the slider is fixed with the connecting rod, the connecting rod extends to that the fixed outside one end of frame articulates there is branch, the one end that the connecting rod was kept away from to branch is through pivot and last die holder swing joint, the outer wall bottom cover of bracing piece is equipped with first spring and solid fixed ring, first spring is located solid fixed ring's below, and the one end of first spring (11) is connected with the base, the other end of first spring is connected with solid fixed ring.

Preferably, the inner walls of the screw cylinder and the screw hole are provided with spiral threads opposite to the direction of the outer wall of the screw rod, and the outer wall of the rotary sleeve is provided with anti-skid convex lines.

Preferably, the outer wall of the sliding block is provided with a rubber pad, and the outer wall of the rubber pad is provided with an anti-slip groove.

Preferably, the bottom of the base is provided with a backing plate, and the outer wall of the backing plate is provided with a bulge.

Compared with the prior art, the beneficial effects of the utility model are that:

(1) the utility model discloses a rotating the swivel sleeve, making the screw rod rotatory flexible in the inside of spiral shell section of thick bamboo, then making the screw rod be close to the drift and enter the screw hole, through threaded connection locking drift, simultaneously through reciprocating in the drift gets into the screw hole of co-altitude with the change screw rod to the degree of depth when can changing drift punching press work piece, and then can adjust according to the work piece degree of depth difference.

(2) The utility model discloses a branch drives the connecting rod and gets into in the fixed frame, makes the slider slide and extrude the second spring in fixed frame, goes up the solid fixed ring of die holder extrusion simultaneously and makes the compression of first spring, and the impact strength when can reducing drift punching press work piece under the combined action of first spring and second spring, and then the effectual energy dissipation that cushions.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic structural view of the punch head of the present invention when connected to the screw rod;

FIG. 3 is an enlarged view of portion A of FIG. 1;

fig. 4 is a side view of the punch of the present invention;

in the figure: 1-a base; 2-a strut; 3-a screw cylinder; 4-a punch; 5-rotating the sleeve; 6-supporting rods; 7-an upper die holder; 8-fixing the ring; 9-fixing frames; 10-a connecting rod; 11-a first spring; 12-a backing plate; 13-a lower die holder; 14-a screw; 15-screw holes; 16-a slide block; 17-a second spring; 18-rubber pad.

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. 1-4, the present invention provides the following technical solutions: a precise stamping die for deep-hole workpieces comprises a base 1, a lower die holder 13 is installed in the middle of the top of the base 1, supporting rods 6 are fixed on one sides, close to the lower die holder 13, of two ends of the top of the base 1, the stability during stamping can be enhanced by sliding the upper die holder 7 on the supporting rods 6, an upper die holder 7 is sleeved between the outer walls of the two supporting rods 6 and close to the upper portion of the lower die holder 13, punches 4 penetrate through two sides of the interior of the upper die holder 7, screw barrels 3 are installed at positions, close to two sides of the punches 4, of the top of the upper die holder 7, screw rods 14 penetrate through the interior of the two screw barrels 3, screw holes 15 matched with the screw rods 14 are formed in two sides of the punches 4, a rotating sleeve 5 is installed at one end, far away from the punches 4, the screw rods 14 are enabled to rotate and stretch in the interior of the screw barrels 3 by rotating the rotating sleeve 5, the screw, through threaded connection locking drift 4, simultaneously through reciprocating drift 4 in order to change screw 14 entering screw 15 of co-altitude not to the degree of depth when can changing 4 punching press work pieces of drift, and then can be nimble convenient adjust according to the degree of depth difference, improved work efficiency.

Furthermore, both ends of the top of the base 1 are provided with fixed frames 9, a second spring 17 is fixed inside the fixed frame 9, one end of the second spring 17 is provided with a sliding block 16, one end of the sliding block 16 far away from the second spring 17 is fixed with a connecting rod 10, one end of the connecting rod 10 extending to the outside of the fixed frame 9 is hinged with a supporting rod 2, the upper die base 7 moves downwards to drive the supporting rod 2 to move downwards, then the supporting rod 2 drives the connecting rod 10 to enter the fixed frame 9, the sliding block 16 slides in the fixed frame 9 and extrudes the second spring 17, meanwhile, the upper die base 7 extrudes the fixing ring 8 and compresses the first spring 11, under the combined action of the first spring 11 and the second spring 17, the impact force when the punch 4 punches a workpiece can be reduced, further, the buffering and energy dissipation are effectively carried out, the damage caused by excessive work stress is prevented, one end of the supporting rod 2, the outer wall bottom cover of bracing piece 6 is equipped with first spring 11 and solid fixed ring 8, and first spring 11 is located solid fixed ring 8's below, and first spring 11's one end is connected with base 1, and first spring 11's the other end is connected with solid fixed ring 8.

Further, the inner walls of the screw cylinder 3 and the screw hole 15 are provided with spiral threads opposite to the direction of the outer wall of the screw rod 14, and the outer wall of the rotary sleeve 5 is provided with anti-skid convex threads.

Specifically, the outer wall of the sliding block 16 is provided with a rubber pad 18, the rubber pad 18 has an anti-slip function, and the outer wall of the rubber pad 18 is provided with an anti-slip groove.

Specifically, the bottom of base 1 is installed with backing plate 12, and backing plate 12 can strengthen the steadiness of base 1, and the outer wall of backing plate 12 is provided with the arch.

The utility model discloses a theory of operation and use flow: when the utility model is used, firstly, the device is arranged on a machine tool, and the upper die base 7 is connected with external pressurizing equipment, thereby facilitating the punching of workpieces, then the workpieces are placed in a female die on the lower die base 13, the extending amount of the punch 4 is adjusted according to the cavities with different depths on the workpieces, namely, the screw 14 is rotationally stretched in the screw barrel 3 by rotating the rotary sleeve 5, then the screw 14 is close to the punch 4 and enters the screw hole 15, the punch 4 is locked by threaded connection, and simultaneously the punch 4 is moved up and down to change the screw 14 to enter the screw holes 15 with different heights, thereby the depth when the punch 4 punches the workpieces can be changed, further, the adjustment can be flexibly and conveniently carried out according to the different depths, the work efficiency is improved, then the upper die base 7 is moved down under the effect of the external pressurizing equipment, in the moving down process, the upper die base 7 drives the supporting rod 2 to move down, then branch 2 drives connecting rod 10 and gets into in fixed frame 9, makes slider 16 slide and extrude second spring 17 in fixed frame 9, and upper die base 7 extrudes solid fixed ring 8 and makes first spring 11 compress simultaneously, can reduce the impact dynamics when drift 4 punching press work piece under the combined action of first spring 11 and second spring 17, and upper die base 7 contacts with die holder 13 at last, makes drift 4 carry out punching press processing to the work piece.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a precision stamping die of deep hole class finished piece which characterized in that: including base (1), install die holder (13) in the middle of the top of base (1), and the top both ends of base (1) all are fixed with bracing piece (6), two one side that is close to die holder (13) is equipped with upper die base (7) to the top cover that is close to die holder (13) between the outer wall of bracing piece (6), drift (4) have all been run through to the inside both sides of upper die base (7), and the position department that the top of upper die base (7) is close to drift (4) both sides all installs barrel (3), two the inside of barrel (3) has all run through screw rod (14), the both sides of drift (4) all seted up with screw rod (14) assorted screw (15), rotatory cover (5) are installed to the one end that drift (4) were kept away from to screw rod (14).

2. The precision stamping die for deep-hole products according to claim 1, characterized in that: both ends of the top of the base (1) are provided with fixed frames (9), a second spring (17) is fixed inside the fixed frames (9), a sliding block (16) is arranged at one end of the second spring (17), a connecting rod (10) is fixed at one end of the sliding block (16) far away from the second spring (17), one end of the connecting rod (10) extending to the outside of the fixed frame (9) is hinged with a supporting rod (2), one end of the supporting rod (2) far away from the connecting rod (10) is movably connected with the upper die holder (7) through a rotating shaft, the bottom end of the outer wall of the supporting rod (6) is sleeved with a first spring (11) and a fixing ring (8), the first spring (11) is positioned below the fixing ring (8), and one end of the first spring (11) is connected with the base (1), and the other end of the first spring (11) is connected with the fixing ring (8).

3. The precision stamping die for deep-hole products according to claim 1, characterized in that: the inner walls of the screw cylinder (3) and the screw hole (15) are provided with spiral threads opposite to the direction of the outer wall of the screw rod (14), and the outer wall of the rotary sleeve (5) is provided with anti-skid convex lines.

4. The precision stamping die for deep-hole products according to claim 2, characterized in that: the outer wall of the sliding block (16) is provided with a rubber pad (18), and the outer wall of the rubber pad (18) is provided with an anti-slip groove.

5. The precision stamping die for deep-hole products according to claim 1, characterized in that: a base plate (12) is installed at the bottom of the base (1), and a protrusion is arranged on the outer wall of the base plate (12).