CN205869219U - Synchronous forming mechanism of locking packing ring multistation - Google Patents

Abstract

The utility model discloses a synchronous forming mechanism of locking packing ring multistation, including last mould and lower mould, it includes the cope match -plate pattern to go up the mould, upper padding plate and punch plate, in proper order be equipped with towards stride hole terrace die inside for blanking processing feed direction punch plate, dash and install small hole male mould, dash and install the macropore terrace die, blanking terrace die and leftover bits upper cutting mould, the lower mould is including punching a hole blanking multistation die, lower bolster and lower bolster, the blanking multistation die that punches a hole is inside be equipped with with each lower die cavity position of each terrace die position one -to -one, punch a hole and be equipped with the leftover bits that correspond with leftover bits upper cutting mould position in the blanking multistation die and cut off the lower mould, it is equipped with two guide pillar and guide Bush orientation system to go up between the lower mould, towards stride hole terrace die, dash and install small hole male mould, dash to install macropore terrace die, blanking terrace die and punch a hole blanking multistation die and form the shaping die cavity of locking packing ring jointly. The utility model discloses the product appearance shape is regular, mould life high.

Description

A kind of locking packing ring Multi-station synchronous shaping mechanism

Technical field

This utility model belongs to machining equipment field, relates to a kind of locking packing ring Multi-station synchronous shaping mechanism.

Background technology

The installation of automobile drive axle locking packing ring is first to be sleeved on the installation macropore in the middle of it on axle housing to use spiral shell again Bolt is installed aperture by it and is securedly mounted to the outer end of rear wheel hub bearing nut, and its Main Function is to prevent rear wheel hub bearing nut Get loose out last time from axle housing, play the effect that the rigging position of guarantee rear-wheel hub outer bearing further is stable, guarantee with this The driving process of vehicle is stable.

The traditional mode of production of locking packing ring is that point four procedures are processed, and it first uses single-point plate shearing machine to implement operation One blanking processing, then uses one point press to implement operation two blanking and rushes centre bore processing, then use one point press real Construction sequence three rushes 12 hole machined, finally uses one point press to implement operation four and rushes 12 hole machined again.Use traditional life Production. art, not only process is more, produces time-consuming long, it is important to owing to needing second positioning to frequently result in it when aperture is installed in punching Overproof relative to the position degree of product design and the requirement of assembling can not be met.

This utility model is based on optimization property that in prior art, production technology exists and considers, a kind of locking pad of design Circle Multi-station synchronous shaping mechanism, can make the face shaping of locking packing ring regular and strength character is stable, so by design one Plant locking packing ring Multi-station synchronous shaping mechanism, improve product quality and production efficiency, just seem the most necessary.

Utility model content

The purpose of this utility model is to optimize the deficiency of existing production technology, adapts to reality need, it is provided that a kind of locking Packing ring Multi-station synchronous shaping mechanism.

In order to realize the purpose of this utility model, the technical solution adopted in the utility model is:

A kind of locking packing ring Multi-station synchronous shaping mechanism, including upper mold and lower mold,

Described upper mold includes cope match-plate pattern, upper padding plate and the punch retainer being fastenedly connected successively from top to bottom, relative to falling Material processing feedstock direction punch retainer inside be sequentially provided with rush step pitch hole punch, punching install Pinhole Punch, punching install macropore convex Mould, blanking punch and leftover pieces cut-out upper mold, wherein misplacing in the die face of punching installation macropore punch, it is little to be provided with another set of punching installation Hole punch；

Described lower mold includes punching and blanking multistation die, lower bolster and the lower bolster being fastenedly connected successively from top to bottom, It is provided with inside described punching and blanking multistation die and the most each concave die cavity position, each punch position, punching and blanking It is provided with in multistation die and cuts off the leftover pieces cut-out lower mold that upper mold position is corresponding with leftover pieces；

Double guide pillar guide pin bushing attitude reference device it is provided with between described upper and lower mould；

Described rush step pitch hole punch, Pinhole Punch is installed in punching, macropore punch, blanking punch and punching and blanking multiplexing are installed in punching Position die is collectively forming the Multi-station synchronous machine-shaping die cavity of locking packing ring.

Double guide pillar guide pin bushing attitude reference device includes the guide pillar guide pin bushing knot arranged on adjacent two side positions of upper padding plate and lower bolster Between structure and punch retainer and punching and blanking multistation die arrange inner guiding post in guide sleeve structure, guide pin bushing and guide pillar respectively with Cope match-plate pattern and lower bolster connect, and interior guide pin bushing and inner guiding post are connected with punching and blanking multistation die and punch retainer respectively, and two Set guide pillar guide sleeve structure synchronization steering.

The sustainable stable face shaping ensureing locking packing ring of this utility model is regular and strength character stable, by setting Put double guide pillar guide pin bushing attitude reference device and can ensure that die point gap is stable and is effectively improved die life for a long time, be conducive to raw Produce the raising of efficiency.

Accompanying drawing explanation

Fig. 1 is structural representation of the present utility model；

Fig. 2 is this utility model embodiment part of the lower die plan structure schematic diagram；

Fig. 3 is workpiece punching, blanking, the plan structure schematic diagram of cut-out each work step process；

Fig. 4 is the main TV structure schematic diagram after workpiece punching and blanking operation；

Fig. 5 is the plan structure schematic diagram after workpiece punching and blanking operation；

In figure, cope match-plate pattern 1, upper padding plate 2, punch retainer 3, loading and unloading material plate 4, loading and unloading material spring 5, rush step pitch hole punch 6, Guide pin bushing 7, guide pillar 8, punching is installed Pinhole Punch 9, punching installation macropore punch 10, blanking punch 11, leftover pieces cut-out upper mold 12, is above unloaded Flitch caging bolt 13, inner guiding post 14, step pitch hole pilot pin 15, locking packing ring leftover pieces 16, leftover pieces cut off lower mold 17, inside lead Set 18, locking packing ring 19, die limit for height block 20, punching and blanking multistation die 21, lower bolster 22, lower bolster 23, retainer pin pressure Spring 24, retainer pin 25, locking packing ring blank 26.

Detailed description of the invention

With embodiment, this utility model is further illustrated below in conjunction with the accompanying drawings:

Embodiment: see Fig. 1 Fig. 5.

A kind of locking packing ring Multi-station synchronous shaping mechanism, including upper mold and lower mold,

Described upper mold includes cope match-plate pattern 1, upper padding plate 2 and the punch retainer 3 being fastenedly connected successively from top to bottom, relative to Blanking processing feedstock direction punch retainer 3 inside is sequentially provided with and rushes step pitch hole punch 6, Pinhole Punch 9 is installed in punching, punching is installed greatly Hole punch 10, blanking punch 11 and leftover pieces cut off upper mold 12, and wherein punching is installed to misplace in the die face of macropore punch 10 and is provided with separately Pinhole Punch is installed in a set of punching；

Described lower mold includes punching and blanking multistation die 21, lower bolster 22 and the lower mold being fastenedly connected successively from top to bottom Plate 23, described punching and blanking multistation die 21 is internal to be provided with and the most each concave die cavity position, each punch position, It is provided with in punching and blanking multistation die 21 and cuts off the leftover pieces cut-out lower mold 17 that upper mold 12 position is corresponding with leftover pieces；

Double guide pillar guide pin bushing attitude reference device it is provided with between described upper and lower mould；

Described rush step pitch hole punch 6, Pinhole Punch 9 is installed in punching, macropore punch 10 is installed in punching, blanking punch 11 and punching fall Material multistation die 21 is collectively forming the Multi-station synchronous machine-shaping die cavity of locking packing ring 19.

Double guide pillar guide pin bushing attitude reference device includes the guide pillar guide pin bushing arranged on adjacent two side positions of upper padding plate 2 and lower bolster 22 Guide sleeve structure in the inner guiding post arranged between structure and punch retainer 3 and punching and blanking multistation die 21, guide pin bushing 7 and guide pillar 8 are connected with cope match-plate pattern 1 and lower bolster 23 respectively, interior guide pin bushing 18 and inner guiding post 14 respectively with punching and blanking multistation die 21 and convex Mould fixed plate 3 connects, two set guide pillar guide sleeve structure synchronization steerings.

The operation principle of utility model is summarized as follows:

The locking packing ring of such light truck-type drive axle is to be processed into, under employing by the cold-reduced sheet that 3.2mm is thick is stamped The roll-shaped tape stock that material process is made just can be used for the processing of punching and blanking progressive die:

The first step, draws roll-shaped banding locking washer blank material 26 prefabricated for front end from autoloader discharging opening Go out, then place it in and be in directly over punching and blanking multistation die 21 between two evacuating pus and expelling toxin material pins 25, and make locking washer blank The front end of material 26 covers all the step pitch hole die inner chamber on punching and blanking multistation die 21；Shape residing for current process process OP0O(initial station in state such as Fig. 3) shown in.

Second step, 1. starts forcing press and locking packing ring blank 26 is carried out punch process, on forcing press work platforms and on Mould moves downward, and in the process, it is internal that inner guiding post 14 is introduced into interior guide pin bushing 18, and then loading and unloading material plate 4 contacts with retainer pin 25 And pressed downward to the inside of punching and blanking multistation die 21；So that locking packing ring blank 26 moves downwardly to its following table Face contacts with each other with the upper surface of punching and blanking multistation die 21, and then, loading and unloading material plate 4 contacts with die limit for height block 20 and presses Contracting loading and unloading material spring is until the spacing dead-centre position of loading and unloading material plate caging bolt 13；

The most then, rush step pitch hole punch 6 and contact with locking packing ring blank 26 and continue to move downward, until working on lathe Till platform runs to bottom dead centre, make locking packing ring blank 26 rush step pitch hole punch 6 and punching and blanking multistation die 21 it Between effect under complete two punching determining step pitch circular hole, punch process i.e. for the first time；Current process process status such as Fig. 3 Middle OP1O(the first station) shown in.

3rd step, work platforms and upper mold upwards return on forcing press, meanwhile, autoloader is by roll-shaped banding Locking packing ring blank 26 has gone up from two rows between the retainer pin 25 of return and forwards feeds, it may be assumed that advance into from left to right The top of the next station of this station, the waste material after punching falls to fall into from lathe material spilling hole and is placed on giving up below lathe In hopper；

4th step, repeats second step 1. process, starts forcing press and locking packing ring blank 26 carries out second time punch process, In the process, the step pitch hole pilot pin 15 of two pieces punching 12 assembling small sircle hole enters locking packing ring blank 26 for the first time Positioning further in the step pitch circular hole that punching is good, punching is installed Pinhole Punch 9 and is synchronized contact and continue with locking packing ring blank 26 Continue and move downward, until work platforms runs to bottom dead centre on lathe, make locking packing ring blank 26 rush step pitch hole punch 6, punching complete under the effect between Pinhole Punch 9 and punching and blanking multistation die 21 is installed two second time determine step pitch circular hole and The punching of 12 assembling small sircle holes；Current process process status such as OP2O(the second station in Fig. 3) shown in.

5th step, repeats the 3rd step；

6th step, repeats second step 1. process, starts forcing press and locking packing ring blank 26 carries out third time punch process, In the process, four step pitch hole pilot pins 15 of punching 12 assembling small sircle hole and punching installation macropore punch enter locking pad Position further in the step pitch circular hole that circle blank 26 is for the first time, punching for the second time is good, rush step pitch hole punch 6, punching installation Pinhole Punch 9 is installed macropore punch 10 and is synchronized contact and continue to move downward with locking packing ring blank 26 with punching, until on lathe Till work platforms runs to bottom dead centre, wherein, punching is installed dislocation on macropore punch 10 and is provided with punching installation Pinhole Punch 9, makes lock Only packing ring blank 26 is rushing step pitch hole punch 6, punching installation Pinhole Punch 9, punching installation macropore punch 10 and punching and blanking multistation Complete two third times under effect between die 21 and determine step pitch circular hole, 24 assembling small sircle holes and an assembling big hole Punching；Current process process status such as OP3O(the 3rd station in Fig. 3) shown in.

7th step, repeats the 3rd step；

8th step, repeats second step 1. process, starts forcing press and locking packing ring blank 26 carries out the 4th punch process, In the process, six step pitch holes of punching 12 assembling small sircle hole, punching installation macropore punch and punching installation macropore punch are led Positive pin 15 enter locking packing ring blank 26 for the first time, for the second time, carry out in the good step pitch circular hole of punching for the third time fixed further Position, subsequently rushes step pitch hole punch 6, punching installation Pinhole Punch 9, punching installation macropore punch 10 and blanking punch 11 and locking packing ring Blank 26 synchronizes contact and continues to move downward, until work platforms runs to bottom dead centre on lathe, makes locking washer blank Material 26 is rushing step pitch hole punch 6, punching installation Pinhole Punch 9, punching installation macropore punch 10, blanking punch 11 and punching and blanking multiplexing Complete two second circulations under effect between the die 21 of position and determine step pitch circular hole, 24 assembling small sircle holes and one for the first time The punching of assembling big hole and the blanking of a locking packing ring 19；And reach blanking external diameter φ 88.5 mm, macropore internal diameter φ is installed 52.2 mm, seam width 8.0 mm, seam position are by width 49.5 mm, installation hole diameter φ 7.0 mm, installation aperture Position φ 76.0 mm, installation aperture are relative to position degree 0.16 mm of product design；After punching and blanking, the knot of workpiece Structure as shown in Figure 4, Figure 5, current process process status such as OP4O(the 4th station in Fig. 3) shown in.

9th step, repeats the 3rd step；

Tenth step, repeats second step 1. process, starts forcing press and locking packing ring blank 26 carries out the second circulation for the first time Punch process, in the process, punching 12 assembling small sircle hole, punching are installed macropore punch and rush six of installation macropore punch Step pitch hole pilot pin 15 enter locking packing ring blank 26 second time, for the third time, step pitch circle that the second circulation for the first time punching is good Position further in hole, rush step pitch hole punch 6, punching installation Pinhole Punch 9, punching installation macropore punch 10, blanking punch 11 Cut off upper mold 12 to synchronize contact and continue to move downward with locking packing ring blank 26 with leftover pieces, until work platforms fortune on lathe Row, to bottom dead centre, makes locking packing ring blank 26 rush step pitch hole punch 6, punching installation Pinhole Punch 9, punching installation macropore punch 10, two fixed steps of two second circulation second time are completed under the effect between blanking punch 11 and punching and blanking multistation die 21 Away from circular hole, 24 assembling small sircle holes and the punching of an assembling big hole and the blanking of a locking packing ring 19, and simultaneously Locking packing ring blank 26 and locking packing ring is completed under the effect that leftover pieces cut off between upper mold 12 and leftover pieces cut-out lower mold 17 The separation of leftover pieces 16；Current process process status such as OP5O(the 5th station in Fig. 3) shown in.

Carry out Continuous maching by the above process.

Use the locking packing ring profile that automobile drive axle locking packing ring punching and blanking progressive die of the present utility model makes Dimensionally stable passes through in blanking external diameter φ 88.5 mm, installation macropore internal diameter φ 52.2 mm, seam width 8.0 mm, seam position Width 49.5 mm, installation hole diameter φ 7.0 mm, installation aperture position φ 76.0 mm, installation aperture are relative to product design Position degree 0.16 mm, the concordance of product monnolithic case is regular, and the sustainable stable overall dimensions guaranteeing locking packing ring reaches Design requirement to product drawing.Also production capacity is improved, this light truck-type drive axle locking pad while improving product quality Blank feed, product blanking and the leftover pieces discharging process of circle are the most smooth and easy, stable, and the maintenance time of punching and blanking progressive die Number to significantly reduce than the mold repair number of times of traditional handicraft, and die life is significantly improved.Single products split run production capacity by 3800 are promoted to 8600, and split run production capacity improves 126.3%.

Claims (2)

1. a locking packing ring Multi-station synchronous shaping mechanism, including upper mold and lower mold, it is characterised in that:

Described upper mold includes cope match-plate pattern (1), upper padding plate (2) and the punch retainer (3) being fastenedly connected successively from top to bottom, relatively In blanking processing feedstock direction punch retainer (3) internal be sequentially provided with rush step pitch hole punch (6), Pinhole Punch (9) is installed in punching, Punching is installed macropore punch (10), blanking punch (11) and leftover pieces and is cut off upper mold (12), and wherein macropore punch (10) is installed in punching In die face, dislocation is provided with another set of punching and installs Pinhole Punch；

Described lower mold includes punching and blanking multistation die (21), lower bolster (22) and the lower mold being fastenedly connected successively from top to bottom Plate (23), described punching and blanking multistation die (21) is internal to be provided with and the most each concave die cavity position, each punch position Put, be provided with in punching and blanking multistation die (21) and cut off the leftover pieces cut-out lower mold that upper mold (12) position is corresponding with leftover pieces (17)；

Double guide pillar guide pin bushing attitude reference device it is provided with between described upper and lower mould；

Described rush step pitch hole punch (6), punching install Pinhole Punch (9), punching install macropore punch (10), blanking punch (11) and punching Hole blanking multistation die (21) is collectively forming the Multi-station synchronous machine-shaping die cavity of locking packing ring (19).

A kind of locking packing ring Multi-station synchronous shaping mechanism the most according to claim 1, it is characterised in that: double guide pillar guide pin bushings Attitude reference device includes that the guide pillar guide sleeve structure and the punch that arrange on adjacent two side positions of upper padding plate (2) and lower bolster (22) are fixed Guide sleeve structure in the inner guiding post arranged between plate (3) and punching and blanking multistation die (21), guide pin bushing (7) and guide pillar (8) are respectively Be connected with cope match-plate pattern (1) and lower bolster (23), interior guide pin bushing (18) and inner guiding post (14) respectively with punching and blanking multistation die (21) connect with punch retainer (3), two set guide pillar guide sleeve structure synchronization steerings.