CN204412878U - A kind of lateral cut structure for drawn products under diel - Google Patents

A kind of lateral cut structure for drawn products under diel Download PDF

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Publication number
CN204412878U
CN204412878U CN201420859223.9U CN201420859223U CN204412878U CN 204412878 U CN204412878 U CN 204412878U CN 201420859223 U CN201420859223 U CN 201420859223U CN 204412878 U CN204412878 U CN 204412878U
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CN
China
Prior art keywords
cut
die
wedge
stripper
drawn products
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CN201420859223.9U
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Chinese (zh)
Inventor
张建莹
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天津市津兆机电开发有限公司
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Priority to CN201420859223.9U priority Critical patent/CN204412878U/en
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Publication of CN204412878U publication Critical patent/CN204412878U/en

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Abstract

The utility model relates to the lateral cut structure for drawn products under diel, comprises lower cut-out die assembly and upper cut-out punch assemblies; Lower cut-out die assembly comprises the concave template being fixed on and die shoe having matrix cavity, and it is embedded with back-up block, is positioned at the side that drawn products will excise edge and is provided with die abaculus in matrix cavity; Upper cut-out punch assemblies comprises the backing plate and fixed head that are fixed on upper bolster lower end, comprise top and backing plate is connected, bottom is stretched out from the lower end of fixed head wedge, comprise and being arranged on below fixed head by tension and compression combining structure stripper moving up and down, in the mounting groove of its lower end, guide rail is installed, guide rail is provided with slide block, guide rail is provided with the through hole passed for wedge, the upper end of slide block is provided with the wedge hole of matching with wedge, comprises being located in stripper mounting groove, making slide block away from the elastic top casting die A of die abaculus.This structure can realize the lateral cut of lower drawn products, ensure that shape and the required precision of product cut-off part.

Description

A kind of lateral cut structure for drawn products under diel

Technical field

The utility model stretch under relating to diel production cut off structure, particularly a kind of lateral cut structure for drawn products under diel.

Background technology

The cut-out mode after the stretch of existing diel drawn products has two kinds: one is realized by upper stretching lateral cut structure, upper stretching lateral cut structure is shown in accompanying drawing 3, punch and the die of this kind of cut-out structure are all fixed on die shoe, by being fixed on the wedge vertically descending lateral cut realizing drawn products of upper bolster, this kind cuts off structure can form flat nick at cut-off part, can meet shape and the required precision of cut-off part, but it is only applicable to drawn products 2 at present ,, can not meet the direction requirement of the punching press burr of lower drawn products, in addition, product goes out part and also there is inconvenience; Another kind is by vertically cutting off structure to realize, vertical cut-out structure is shown in accompanying drawing 4, the punch of this cut-out structure is fixed on upper bolster, die is fixed on die shoe, descending by punch, cuts off product at the cutting edge portion of punch and die, this kind cuts off the requirement that structure can meet the punching press burr direction of lower drawn products, and product to go out part also more convenient, but can not flat nick be formed at cut-off part, shape and the required precision of product cut-off part can not be ensured.

Summary of the invention

The utility model provides a kind of shape and the required precision that ensure product cut-off part for solving in known technology the technical problem that exists, and product goes out part easily for the lateral cut structure of drawn products under diel.

The technical scheme that the utility model is taked for the technical problem existed in solution known technology is:

For a lateral cut structure for drawn products under diel, it is characterized in that: comprise lower cut-out die assembly and upper cut-out punch assemblies, described lower cut-out die assembly comprises the concave template be fixed on die shoe, concave template is shaped with the matrix cavity holding drawn products, in matrix cavity, be positioned at the side that drawn products will excise edge die abaculus is installed, concave template is embedded with back-up block, the upper end of back-up block is stretched out from the upper end of concave template, both differences in height and the consistency of thickness of drawn products edge, described upper cut-out punch assemblies comprises the backing plate and fixed head that are pressed abd fixed on upper bolster lower end successively, comprise the wedge that lower end is provided with wedge surface, the top of wedge is vertical with backing plate to be connected, its underpart is stretched out from the lower end of fixed head, comprise stripper, stripper is by the tension and compression combining structure below being arranged on fixed head moving up and down, mounting groove is provided with in the lower end of stripper, in mounting groove, guide rail is installed, guide rail is provided with slide block, the bottom of slide block is stretched out from the lower end of stripper, and align with the matrix cavity on concave template, described guide rail is provided with the through hole passed for wedge, the wedge hole of matching with wedge is provided with in the position that the upper end of slide block is corresponding with this through hole, comprise and be located in stripper mounting groove, make slide block away from the elastic top casting die A of die abaculus.

The utility model can also adopt following technical scheme:

Described tension and compression combining structure comprises distance screws and elastic top casting die B; Described distance screws activity is installed on upper bolster, backing plate and fixed head, and its lower end is fixedly connected with stripper; Described elastic top casting die B is installed on upper bolster, backing plate and fixed head, and its upper end is provided with the gland be fixedly connected with upper bolster, and its lower end is pressed on the upper surface of stripper.

Described elastic top casting die A and elastic top casting die B all adopts stage clip.

The advantage that the utility model has and good effect are:

Adopt this lateral cut structure, in the process that upper cut-out punch assemblies is descending, after the upper-end contact of stripper and back-up block, the upper edge of drawn products is compacted, continue in descending process in upper cut-out punch assemblies, the lower end of wedge is inserted in the wedge hole of slide block, by the cooperation on both inclined-planes, slide block is driven to move along guide rail towards the direction near die abaculus, the cutting edge portion of slip front and the upper end cutting edge portion of die abaculus is made to form stamping-out, achieve the cut-out of lower drawn products, cut-off part forms flat nick, ensure that shape and the required precision of product cut-off part, in addition, this cut-out structure have employed the recessed fit structure of epirelief, also part is gone out after making product cut off more convenient.

Accompanying drawing explanation

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

Fig. 2 is the cross sectional representation that Fig. 1 middle guide coordinates with slide block;

Fig. 3 is the schematic diagram of existing upper stretching lateral cut structure;

Fig. 4 is the schematic diagram that structure is vertically cut off in existing lower stretching.

In figure: 1, die shoe; 2, concave template; 210, matrix cavity; 3, die abaculus; 4, back-up block; 5, upper bolster; 6, backing plate; 7, fixed head; 8, wedge; 810, wedge surface; 9, stripper; 910, mounting groove; 10, guide rail; 101, through hole; 11, slide block; 111, wedge hole; 12, elastic top casting die A; 13, distance screws; 14, elastic top casting die B; 15, gland; 1 ,, lower drawn products; 2 ,, upper drawn products.

Detailed description of the invention

For summary of the invention of the present utility model, Characteristic can be understood further, hereby exemplify following examples, and coordinate accompanying drawing to be described in detail as follows:

Refer to Fig. 1 and 2, a kind of lateral cut structure for drawn products under diel, comprise lower cut-out die assembly and upper cut-out punch assemblies.The concrete structure of lower cut-out die assembly and upper cut-out punch assemblies is composed as follows:

Described lower cut-out die assembly comprises concave template 2, concave template is fixed on die shoe 1, concave template is shaped with the matrix cavity 210 holding drawn products, in matrix cavity, be positioned at the side that drawn products will excise edge die abaculus 3 is installed, concave template is embedded with back-up block 4, the upper end of back-up block is stretched out from the upper end of concave template, both differences in height and the consistency of thickness of drawn products edge.

Described upper cut-out punch assemblies comprises the backing plate 6 and fixed head 7 that are pressed abd fixed on upper bolster 5 lower end successively; Comprise the wedge 8 that lower end is provided with wedge surface 810, the top of wedge is vertical with backing plate to be connected, and its underpart is stretched out from the lower end of fixed head; Comprise stripper 9, stripper is by the tension and compression combining structure below being arranged on fixed head moving up and down, mounting groove 910 is provided with in the lower end of stripper, guide rail 10 is installed in mounting groove, guide rail is provided with slide block 11, and the bottom of slide block is stretched out from the lower end of stripper, and aligns with the matrix cavity on concave template, described guide rail is provided with the through hole 101 passed for wedge, is provided with the wedge hole 111 of matching with wedge in the position that the upper end of slide block is corresponding with this through hole; Comprise and be located in stripper mounting groove, make slide block away from the elastic top casting die A12 of die abaculus.

In said structure, described tension and compression combining structure is preferably: comprise distance screws 13 and elastic top casting die B14.Described distance screws activity is installed on upper bolster, backing plate and fixed head, and its lower end is fixedly connected with stripper.Concrete, upper bolster, backing plate and fixed head are provided with up big and down small, and through stepped hole, distance screws activity is installed in stepped hole.When reality uses, for improving the stability that stripper moves up and down, can the separation sleeve play the guiding role being set between stepped hole and distance screws, separation sleeve is contacted with stepped hole.Described elastic top casting die B is installed on upper bolster, backing plate and fixed head, and its upper end is provided with the gland 15 be fixedly connected with upper bolster, and its lower end is pressed on the upper surface of stripper.Concrete, upper bolster, backing plate and fixed head arrange the through hole installing elastic top casting die B, and elastic top casting die B is arranged in this through hole.

In said structure, described elastic top casting die A and elastic top casting die B preferably adopts stage clip, in addition, also can adopt the elastic structure be made up of excellent power glue.

The course of work of the present utility model is:

Mould first makes lower drawn products move in the matrix cavity of concave template before starting working, after mould is started working, upper cut-out punch assemblies was descending together before this, when stripper touches the upper surface of back-up block, stripper stops descending, the upper edge portion of drawn products is now descended to be clamped between the upper surface of concave template and the lower surface of stripper, continue in descending process in upper cut-out punch assemblies, the lower end wedge surface of wedge is inserted in the wedge hole of slide block, by the cooperation on both inclined-planes, the downforce of wedge to slide block is changed into the power of horizontal direction, thus promotion slide block moves along guide rail towards die abaculus direction, the cutting edge portion of slip front and the upper end cutting edge portion of die abaculus is made to form stamping-out, the corresponding position of drawn products is cut off, upper cut-out punch assemblies is up subsequently, drive wedge uplink synchronization, such slide block, under the effect of elastic top casting die A, away from die abaculus, gets back to original position, continue in up process in upper cut-out punch assemblies, stripper is up subsequently, makes whole upper cut-out punch assemblies realize resetting, finally, just the drawn products after cut-out can be taken out easily in matrix cavity, thus achieve the lateral cut of lower drawn products.

The foregoing is only of the present utility model and goodly execute example, be not used for limiting practical range of the present utility model.Namely all equivalences done according to the content of the utility model claim change and modify, and such as, described tension and compression combining structure adopts the fit structure etc. of extension spring and stage clip, all falls into technical scope of the present utility model.

Claims (3)

1. for a lateral cut structure for drawn products under diel, it is characterized in that: comprise lower cut-out die assembly and upper cut-out punch assemblies, described lower cut-out die assembly comprises the concave template be fixed on die shoe, concave template is shaped with the matrix cavity holding drawn products, in matrix cavity, be positioned at the side that drawn products will excise edge die abaculus is installed, concave template is embedded with back-up block, the upper end of back-up block is stretched out from the upper end of concave template, both differences in height and the consistency of thickness of drawn products edge, described upper cut-out punch assemblies comprises the backing plate and fixed head that are pressed abd fixed on upper bolster lower end successively, comprise the wedge that lower end is provided with wedge surface, the top of wedge is vertical with backing plate to be connected, its underpart is stretched out from the lower end of fixed head, comprise stripper, stripper is by the tension and compression combining structure below being arranged on fixed head moving up and down, mounting groove is provided with in the lower end of stripper, in mounting groove, guide rail is installed, guide rail is provided with slide block, the bottom of slide block is stretched out from the lower end of stripper, and align with the matrix cavity on concave template, described guide rail is provided with the through hole passed for wedge, the wedge hole of matching with wedge is provided with in the position that the upper end of slide block is corresponding with this through hole, comprise and be located in stripper mounting groove, make slide block away from the elastic top casting die A of die abaculus.
2. the lateral cut structure for drawn products under diel according to claim 1, is characterized in that: described tension and compression combining structure comprises distance screws and elastic top casting die B; Described distance screws activity is installed on upper bolster, backing plate and fixed head, and its lower end is fixedly connected with stripper; Described elastic top casting die B is installed on upper bolster, backing plate and fixed head, and its upper end is provided with the gland be fixedly connected with upper bolster, and its lower end is pressed on the upper surface of stripper.
3. the lateral cut structure for drawn products under diel according to claim 2, is characterized in that: described elastic top casting die A and elastic top casting die B all adopts stage clip.
CN201420859223.9U 2014-12-30 2014-12-30 A kind of lateral cut structure for drawn products under diel CN204412878U (en)

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Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105458393A (en) * 2016-01-29 2016-04-06 郑建平 Cutting equipment stable in operation
CN105563532A (en) * 2016-01-29 2016-05-11 郑建平 Material cutting device
CN105619478A (en) * 2016-01-29 2016-06-01 郑建平 Intelligently controlled material cutting machine
CN105690442A (en) * 2016-01-29 2016-06-22 厦门市博罗格贸易有限公司 Material cutting and processing equipment
CN105690441A (en) * 2016-01-29 2016-06-22 何凯峰 Material cutting equipment capable of improving machining quality
CN105729517A (en) * 2016-01-29 2016-07-06 何汉斌 Material cutting equipment
CN107695121A (en) * 2016-08-09 2018-02-16 财团法人金属工业研究发展中心 The crowded type device of type part and crowded type method are squeezed to manufacture variable curvature
CN107983828A (en) * 2017-12-01 2018-05-04 中国航发沈阳黎明航空发动机有限责任公司 A kind of mould and application method for processing bowl side wall and edge gap

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105458393A (en) * 2016-01-29 2016-04-06 郑建平 Cutting equipment stable in operation
CN105563532A (en) * 2016-01-29 2016-05-11 郑建平 Material cutting device
CN105619478A (en) * 2016-01-29 2016-06-01 郑建平 Intelligently controlled material cutting machine
CN105690442A (en) * 2016-01-29 2016-06-22 厦门市博罗格贸易有限公司 Material cutting and processing equipment
CN105690441A (en) * 2016-01-29 2016-06-22 何凯峰 Material cutting equipment capable of improving machining quality
CN105729517A (en) * 2016-01-29 2016-07-06 何汉斌 Material cutting equipment
CN107695121A (en) * 2016-08-09 2018-02-16 财团法人金属工业研究发展中心 The crowded type device of type part and crowded type method are squeezed to manufacture variable curvature
CN107695121B (en) * 2016-08-09 2019-03-15 财团法人金属工业研究发展中心 To manufacture variable curvature squeeze type part crowded type device and crowded type method
CN107983828A (en) * 2017-12-01 2018-05-04 中国航发沈阳黎明航空发动机有限责任公司 A kind of mould and application method for processing bowl side wall and edge gap

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