CN201776792U

CN201776792U - Hooking and cutting device

Info

Publication number: CN201776792U
Application number: CN201020276117XU
Authority: CN
Inventors: 黄瑜; 林波
Original assignee: Ningbo Minth Automotive Parts Research and Development Co Ltd
Current assignee: Ningbo Minth Automotive Parts Research and Development Co Ltd
Priority date: 2010-07-28
Filing date: 2010-07-28
Publication date: 2011-03-30
Anticipated expiration: 2020-07-28

Abstract

A hooking and cutting device comprises an upper template, a lower template, a first beating block positioned on the upper template, a lower module positioned on the lower template, a lower module inserted block on the lower module, a cutter, and a product placing platform for placing products, wherein a cutter fixing seat is vertically inserted into the lower module; a spring is supported between the bottom of the cutter fixing seat and the lower template and can move up and down relative to the lower module; the cutter is fixed at the upper part of the cutter fixing seat after the upper part of the cutter fixing seat penetrates the lower module inserted block; the section of the cutter is in a hook shape; the blade of the cutter right faces to the products in an obliquely downward manner; the product placing platform is adjacent to the lower module inserted module; and the first beating block on the upper template is correspondingly arranged on one side of the product placing platform, which is opposite to the cutter, and is matched with the product placing platform to drive the product placing platform to move towards the cutter side. Through the lateral movement of the products and the up-and-down movement of the hook-shaped cutter, the module cutting with tiny allowance can be realized; and additionally, the hook and cutting device can realize accurate product positioning and has high machining precision.

Description

A kind of hooked cutting device

Technical field

The utility model relates to a kind of blanking units, particularly relates to a kind of micro-blanking units.

Background technology

Existing die cutting die normally is provided with drift at cope match-plate pattern, and lower bolster is provided with die, and the product that needs are die-cut is arranged on the die of lower bolster, along with the product of the die-cut product of following enforcement drift to obtain wanting of cope match-plate pattern.But when thinking die-cut amount special hour, when just product being carried out small surplus die-cut, such die cutting die can't position product because strength of concave mould is relatively poor, therefore can't carry out die-cut to small surplus.Even can die-cut small surplus in some common die cutting dies, but its machining accuracy can't guarantee that also the structure of mould can become very complicated simultaneously.

The utility model content

Technical problem to be solved in the utility model be provide at above-mentioned prior art present situation a kind of can die-cut small surplus and the high hooked cutting device of machining accuracy.

The utility model solves the problems of the technologies described above the technical scheme that is adopted: a kind of hooked cutting device, comprise cope match-plate pattern, lower bolster, be positioned at first block hitting on the cope match-plate pattern, be positioned at the lower module on the lower bolster, counterdie on the lower module is inserted, cutting knife and the product mounting table of placing product, it is characterized in that: vertically be inserted with the cutting knife holder in the described lower module, have a spring between this cutting knife holder bottom and the lower bolster and can move up and down with respect to described lower module, this cutting knife holder top is passed and is fixed with described cutting knife after described counterdie is inserted, the cross section of described cutting knife is hook-shaped, its blade is oblique down over against product, the adjacent setting and described product mounting table and described counterdie are inserted, the first block hitting correspondence on the described cope match-plate pattern is arranged on the side of product mounting table with respect to cutting knife, and can match with this product mounting table and drive the product mounting table to described cutting knife side shifting.By laterally moving of product and moving up and down of cutting knife, can realize the die-cut of small surplus, and the accurate positioning of this hooked cutting device product, the machining accuracy height.

Preferably, control this product mounting table for convenience to the cutting knife side shifting, described product mounting table comprises and is placed on the guide rail on the lower module and is positioned at the guide pad that is complementary with shape of product on the guide rail, and described guide pad and a back-moving spring offset.

For better fixed product, described guide pad is provided with the locating piece that matches with the end of product, and product is positioned on the described guide pad and an end of product is located by this locating piece.

Preferably, the described counterdie side adjacent with guide pad of inserting has the profile that the shape with product is complementary.

In order not make the position skew of first block hitting, described lower bolster is provided with the limited block that limits product mounting table return stroke.

Move downward in order to drive cutting knife, described cutting knife holder top is provided with second block hitting, is fixed with the stroke limit piece that is positioned at described cutting knife holder both sides and can limits described cutting knife holder shift position on described counterdie is inserted.

Compared with prior art, advantage of the present utility model is: not only simple in structure, the assembling maintenance of mould is all very convenient, and finishes the die-cut process of product by moving up and down of hook-shaped cutting knife.Its die-cut precision is relevant with processing, the guiding accuracy of lower module and cutting knife holder, and irrelevant with the mould bases precision, therefore die-cut precision is controlled easily, is easy to realize the die-cut of small surplus.

Description of drawings

Fig. 1 is the vertical view after the hooked cutting device of the utility model embodiment removes cope match-plate pattern.

Fig. 2 is the cutaway view (have cope match-plate pattern) of the hooked cutting device of the utility model embodiment along A-A ' line among Fig. 1.

Fig. 3 is the cutaway view (have cope match-plate pattern) of the hooked cutting device of the utility model embodiment along B-B ' line among Fig. 1.

Fig. 4 is the schematic diagram of the hooked cutting device of the utility model embodiment when die-cut.

Fig. 5 is the perspective view of the hooked cutting device of the utility model embodiment.

Fig. 6 is the perspective view behind the cope match-plate pattern removed of the hooked cutting device of the utility model embodiment.

The specific embodiment

Embodiment describes in further detail the utility model below in conjunction with accompanying drawing.

Hooked cutting device of the present utility model referring to Fig. 1-6, comprises cope match-plate pattern 1, lower bolster 9, and vertically downward first block hitting 2 on the cope match-plate pattern 1.Lower bolster 9 is provided with lower module 8, the territory, one lateral areas of lower module 8 is provided with two adjacent and dismountable counterdies that combine and inserts 12,13, lower module 8 and counterdie are inserted and are inserted with cutting knife holder 11 on 12 the centre position, cutting knife holder 11 extends through on the lower bolster 9, and and having spring 10 between the lower bolster 9, the top position of cutting knife holder 11 studs with cutting knife 14.

On the opposite side zone of lower module 8, insert 13 next door of counterdie is provided with the guide pad 4 that cooperates with guide rail 6 on guide rail 6 and the guide rail 6, and this guide pad 4 also has back-moving spring near insert 13 end of counterdies, one side of this guide pad 4 also is provided with locating piece 3, have on this locating piece 3 and the corresponding profile in the end of product, in the time of processing, product just is placed on the guide pad 4 of corresponding shape with it, a wherein end of product just is resisted against with it on the corresponding locating piece 3 of shape and by locating piece 3 location, Fig. 4, be shown in broken lines the cross section of product in 6.The end of guide pad 4 has back-moving spring can make guide pad 4 do transverse movement to the right along guide rail 6 under the driving of first block hitting 2, and after first block hitting 2 recovers upwards, resets under the elastic force of back-moving spring.On lower bolster 9, also be provided with restricted guidance piece 4 two limited blocks 7 of movement locus left, limited the return stroke of this guide pad 4 under the elastic force effect of back-moving spring, insert for first block hitting 2 position between two limited blocks 7.This counterdie insert 12,13 be set to two be the replacing of consumable accessory for convenience, save the spare part cost, counterdie is inserted and 13 is had the profile that the shape with product is complementary, therefore when processing different products, 13 counterdies that need not change monoblock are inserted as long as the replacing counterdie is inserted, and the counterdie that can certainly only be provided with a monoblock is inserted.

Above cutting knife holder 11, be provided with second block hitting 16, and both sides at second block hitting 16 and cutting knife holder 11, be provided with two block stroke limit pieces 15, the height of the trip limited block 15 is a little less than second block hitting 16, when cope match-plate pattern 1 descending contact second block hitting, and the spring 10 that pushes cutting knife holder 11 bottoms of second block hitting, 16 belows makes second block hitting 16 and cutting knife holder 11 descending, when cope match-plate pattern 1 touches stroke limit piece 15 punch presses and reaches bottom dead centre, cutting knife holder 11 can not continue descending again, has finished die-cut work this moment.Described cutting knife 14 blade cross sectional shapes are hook-shaped, cutting knife 14 extends laterally to the top that counterdie is inserted the product on 13 from cutting knife holder 11, and the oblique position that faces toward the required processing of product down of its knife edge part, therefore can down die-cut product by this hook-shaped cutting knife 14, because blade is hook-shaped, little with the contact area of product, can realize die-cut to the small surplus of product.

-4 descriptions of the course of work of this hooked cutting device such as Fig. 3, place guide pad 4 and counterdie to insert on 13 product, and the shape of guide pad 4 and product are complementary can be with product orientation, product one end is positioned on the locating piece 3, when cope match-plate pattern 1 is driving first block hitting 2 and is moving down, at first these first block hitting, 2 horizontal guide pads 4 that drive laterally move right along guide rail 6, be placed on product on the guide pad 4 this moment also along with guide pad 4 laterally moves near cutting knifes 14, along with the continuation of cope match-plate pattern 1 is descending, cope match-plate pattern 1 contact second block hitting 16, and this second block hitting 16 drives cutting knife holder 11 downwards, cutting knife holder 11 pushes the spring 10 of its below and makes cutting knife 14 descending cutting products simultaneously, when punch press arrived the dead point, this moment, cutting knife holder 11 drive cutting knifes 14 also dropped to lowermost end, die-cut finishing.Cope match-plate pattern 1 resets and moves upward after die-cut the finishing, the cutting knife holder 11 and second block hitting 16 upwards reset under the elastic force effect of spring 10, and along with the continuation of first block hitting 2 makes progress, guide pad 4 is because the screen resilience of the back-moving spring of its end, laterally reset along guide rail 6, product leaves the position of cutting knife 14, can break away from from guide pad 4 smoothly.

This hooked cutting device, because the cutting knife in the device is hook-shaped, and its blade is over against product, little with the contact-making surface of product, and the product mounting table in this hooked cutting device can be laterally to the cutting knife side shifting, and cutting knife is done motion up and down, can be easy to realize die-cut to the little surplus of product.

Such die cutting die, not only simple in structure, the assembling maintenance of mould is all very convenient, and finishes the die-cut process of product by moving up and down of cutting knife.Its die-cut precision is relevant with processing, the guiding accuracy of lower module and cutting knife holder, and irrelevant with the mould bases precision, therefore die-cut precision is controlled easily, is easy to realize the die-cut of small surplus.

Although more than described preferred embodiment of the present utility model in detail, should be expressly understood that for technical staff of the present utility model, the utility model can have various changes and variation.All any modifications of within spirit of the present utility model and principle, being done, be equal to replacement, improvement etc., all should be included within the protection domain of the present utility model.

Claims

1. hooked cutting device, comprise cope match-plate pattern (1), lower bolster (9), be positioned at first block hitting (2) on the cope match-plate pattern (1), be positioned at the lower module (8) on the lower bolster (9), counterdie on the lower module (8) inserts (12,13), cutting knife (14) and the product mounting table of placing product, it is characterized in that: vertically be inserted with cutting knife holder (11) in the described lower module (8), have a spring (10) between this cutting knife holder (11) bottom and the lower bolster (9) and can move up and down with respect to described lower module (8), this cutting knife holder (11) top is passed described counterdie and is inserted (12,13) be fixed with described cutting knife (14) after, the cross section of described cutting knife (14) is hook-shaped, its blade is oblique down over against product, and described product mounting table and described counterdie insert (12,13) adjacent setting, first block hitting (2) correspondence on the described cope match-plate pattern (1) is arranged on the side of product mounting table with respect to cutting knife (14), and can match with this product mounting table and drive the product mounting table to described cutting knife (14) side shifting.

2. hooked cutting device as claimed in claim 1, it is characterized in that: described product mounting table comprises the guide rail (6) that is placed on the lower module (8) and is positioned at the guide pad (4) that guide rail (6) is gone up and shape of product is complementary, and described guide pad (4) offsets with a back-moving spring.

3. hooked cutting device as claimed in claim 2 is characterized in that: described guide pad (4) is provided with the locating piece (3) that matches with the end of product, and product is positioned on the described guide pad (4) and an end of product is located by this locating piece (3).

4. hooked cutting device as claimed in claim 2 is characterized in that: described counterdie (12, the 13) side (13) adjacent with guide pad (4) of inserting has the profile that the shape with product is complementary.

5. hooked cutting device as claimed in claim 1 is characterized in that: described lower bolster (9) is provided with the limited block (7) that limits product mounting table return stroke.

6. as each described hooked cutting device among the claim 1-5, it is characterized in that: described cutting knife holder (11) top is provided with second block hitting (16), and described counterdie is inserted and is fixed with the stroke limit piece (15) that is positioned at described cutting knife holder (11) both sides and can limits described cutting knife holder (11) shift position on (12,13).