CN207887649U - Extrusion die - Google Patents

Abstract

The utility model belongs to extrudate production field, discloses extrusion die.Extrusion die, including the upper die and lower die that mutually fasten.Extrusion die provided by the utility model, by the one side contacted with lower die in upper mold, pin and core print are set, wherein pin includes stretching into interconnecting piece in upper mold and from interconnecting piece towards the outwardly extending extension of lower die, it is equipped with die hole and pin hole in the one side that lower die is contacted with upper mold, wherein lower die corresponds to the position of die hole equipped with bonding container, ensure that a part for core print is extend into die hole for squeezing workpiece when work, when upper and lower mould assembles, pin alignment pin nail hole is assembled, even if being not aligned with, since the length of extension is more than the length that core print stretches into die hole, it thereby may be ensured that core print touches the bonding container less than lower die；When splitting upper mold and lower die, the length of extension stretches into the length of die hole more than core print, therefore avoids core print during fractionation and damage the inner wall of die hole, so that production cost is low.

Description

Extrusion die

Technical field

The utility model belongs to extrudate production field, is to be related to extrusion die more specifically.

Background technology

Traditional extrusion die, upper mold are positioned using pin with lower die assembly, are then screwed.It is assembling and is tearing open When dividing mold, the work band of upper mold core print is easy to encounter the die hole of lower die or bonding container, mold may be caused to scrap.Therefore, Above-mentioned in order to avoid leading to the problem of, the assembly master worker of some producers can carefully assemble during assembling die, It avoids that core print collision bonding container or die hole occurs by experience, but the assembling speed of mold can be reduced in this way.Also some producers Directly purchase mould-spliting machine device is used for splitting mold, but this mode can lead to that increased production cost, and substantially solves mould The problem of tool assembly.

Utility model content

The purpose of this utility model is to provide a kind of extrusion dies, to solve under core print collision existing in the prior art The die hole or work band of mould lead to the technical problem that mold is scrapped and assembling speed is slow and production cost is high.

To achieve the above object, the technical solution adopted in the utility model is：A kind of extrusion die is provided, including：Including The upper die and lower die mutually fastened, the one side that the upper mold is contacted with the lower die are equipped with pin and core print, and the pin includes Stretch into interconnecting piece in the upper mold and from interconnecting piece towards the outwardly extending extension of the lower die, the lower die with it is described on The one side of mould contact is equipped with die hole and pin hole, and the position that the lower die corresponds to the die hole is equipped with coaxial with the die hole and passes through Lead to the bonding container connect, when the upper mold and the lower die fasten, a part for the core print stretches into the die hole for squeezing Workpiece, the extension is pressed to stretch into for positioning in pin hole, the length of the extension is more than length and the institute of the core print The difference of the depth of bonding container is stated, and the length of the extension is more than the length that the core print stretches into the die hole.

Further, the core print includes column and works from column towards the outwardly extending core print of the lower die A part for band, the core print work band stretches into the die hole, and the extension stretches into described more than core print work band The length of die hole.

Further, the quantity of the core print has multiple, and correspondingly, the quantity of the die hole is multiple, each institute The part correspondence for stating core print work band stretches into the die hole.

Further, the bonding container is the first groove for welding being opened in the lower die, and described first is recessed The cross section of slot is circle.

Further, the die hole includes molding room and the circulation chamber of perforation connection, the molding room and the circulation chamber The coaxial and described molding room connect with first groove.

Further, opening of the opening of the molding room less than the circulation chamber.

Further, the center line of the pin and the pin hole is coaxial.

Further, the end of the interconnecting piece is equipped with chamfering, and the angle of the chamfering is 2-4 °.

Further, the longitudinal section of the core print is cone, pyramid, truncated cone-shaped or prismatic table shape.

Further, the lower die is equipped with the second groove, and the bonding container is located on second groove, and described the Two grooves and the bonding container are coaxial, and the upper mold is equipped with assembles seam allowance, the core print with second groove cooperation upper mold It is located at the centre position of the one side of the upper mold assembly seam allowance, the one side that the upper mold assembly seam allowance is equipped with the core print is equipped with Pin.

The advantageous effect of extrusion die provided by the utility model is：Compared with prior art, the utility model squeezes Pin and core print is arranged by the one side that is contacted with lower die in upper mold in mold, wherein pin include stretch into interconnecting piece in upper mold and From interconnecting piece towards the outwardly extending extension of lower die, it is equipped with die hole and pin hole in the one side that lower die is contacted with upper mold, wherein The position that lower die corresponds to die hole is equipped with bonding container, ensures that a part for core print is extend into for squeezing workpiece in die hole when work, When upper and lower mould assembles, pin alignment pin nail hole is assembled, even if being not aligned with, since the length of extension is stretched into more than core print The length of die hole thereby may be ensured that core print touches the bonding container less than lower die；When splitting upper mold with lower die, the length of extension It more than the length that core print stretches into die hole, therefore avoids core print during fractionation and damages the inner wall of die hole, so that raw Produce it is at low cost, solve the problems, such as the extrusion die assembly, reduce the scrappage of the extrusion die, assembling speed is fast, efficiency Height, the advantages that popularization being standardized to all extrusion dies.

Description of the drawings

It, below will be to embodiment or the prior art in order to illustrate more clearly of the technical scheme in the embodiment of the utility model Attached drawing needed in description is briefly described, it should be apparent that, the accompanying drawings in the following description is only that this practicality is new Some embodiments of type for those of ordinary skill in the art without having to pay creative labor, can be with Obtain other attached drawings according to these attached drawings.

Fig. 1 is the main structure diagram for the extrusion die that the utility model embodiment provides；

Fig. 2 is that the upper mold for the extrusion die that the utility model embodiment provides is shown with the front view structure in lower die assembling process It is intended to；

Fig. 3 is that the front view structure after the completion of the upper mold for the extrusion die that the utility model embodiment provides is assembled with lower die is shown It is intended to.

Wherein, each reference numeral in figure：

Upper mold	1	Bonding container	23
				Lower die	2	Column	110
Pin	10	Core print work band	111
				Core print	11	First groove	230
Interconnecting piece	100	Fillet	231
				Extension	101	Molding room	210
Die hole	21	Chamfering	102
				Pin hole	22	Second groove	24
Upper mold assembles seam allowance	12

Specific implementation mode

In order to make technical problem to be solved in the utility model, technical solution and advantageous effect be more clearly understood, with Lower combination accompanying drawings and embodiments, the present invention will be further described in detail.It should be appreciated that specific reality described herein It applies example to be only used to explain the utility model, is not used to limit the utility model.

It should be noted that when component is referred to as " being fixed on " or " being set to " another component, it can directly or It connects on another component.When a component is referred to as " being connected to " another component, it can be directly or indirectly It is connected on another component.Term "upper", "lower", "left", "right", "front", "rear", "vertical", "horizontal", "top", The orientation or position of the instructions such as "bottom", "inner", "outside" are orientation based on ... shown in the drawings or position, are merely for convenience of describing, It should not be understood as the limitation to the technical program.Term " first ", " second " are used merely to facilitate description purpose, and should not be understood as It indicates or implies relative importance or implicitly indicate the quantity of technical characteristic.The meaning of " plurality " is two or more, Unless otherwise specifically defined.

Also referring to Fig. 1 to Fig. 3, now extrusion die provided by the utility model is illustrated.Extrusion die, including The upper mold 1 and lower die 2 mutually fastened, the one side that upper mold 1 is contacted with lower die 2 are equipped with pin 10 and core print 11, and pin 10 includes Stretch into interconnecting piece 100 in upper mold 1 and from interconnecting piece 100 towards 2 outwardly extending extension 101 of lower die, lower die 2 and upper mold 1 The one side of contact is equipped with die hole 21 and pin hole 22, and the position that lower die 2 corresponds to die hole 21 is equipped with and perforation company coaxial with die hole 21 A part for the bonding container 23 connect, core print 11 is stretched into for squeezing workpiece in die hole 21, and extension 101 is stretched into pin hole 22 and used In positioning, the length of extension 101 is more than the difference of the length of core print 11 and the depth of bonding container 23, and the length of extension 101 More than the length that core print 11 gos deep into die hole 21.Preferably, the length of extension 101, which is equal to core print 11 and stretches into the length of die hole 21, adds Upper 5mm, avoids that pin 10 is long to be easily snapped off while avoiding the problem that the collision of core print 11 upper bonding container 23.Concrete principle It is as follows：

The extrusion die mainly applies to workpiece made of extruding aluminium alloy, is wanted referring particularly to Fig. 3 when squeezing workpiece Ensure that a part for core print 11 extend into die hole 21 and is fixed on certain position, then the die hole 21 and core print for passing through lower die 2 11 are combined into the shape of proximate matter, after metal flows into 23 soldering of bonding container, then are squeezed out by die hole 21.Referring particularly to Fig. 2, When assembly, extension 101 stretches into pin hole 22 for the center line of position assurance core print 11 and die hole 21 in same straight line On, but do not ensure that extension 101 is aligned with pin hole 22 during assembly, therefore, the length of extension 101 is more than The difference of the length of core print 11 and the depth of bonding container, it is ensured that in the case where extension 101 and pin hole 22 are not aligned with, Bonding container 23 will not be encountered；When splitting upper mold 1 with lower die 2, in order to avoid extending into the core of die hole 21 in the process of fractionation First 11 break the inner wall of die hole 21, therefore the length of extension 101 need to be more than the length that core print 11 stretches into die hole 21.This assembly For mode compared to existing assembly method, production cost is relatively low, from substantially solve the extrusion die assemble the problem of, to Reduce the scrappage of the extrusion die.

Extrusion die provided by the utility model passes through the one side contacted with lower die 2 in upper mold 1 compared with prior art Pin 10 and core print 11 be set, and wherein pin 10 includes stretching into interconnecting piece 100 in upper mold 1 and from interconnecting piece 100 towards lower die 2 Outwardly extending extension 101 is equipped with die hole 21 and pin hole 22 in the one side that lower die 2 is contacted with upper mold 1, and wherein lower die 2 is right It answers the position of die hole 21 to be equipped with bonding container 23, ensures that a part for core print 11 is extend into die hole 21 for squeezing work when work Part, upper mold 1 is with lower die 2 in assembly, and 10 alignment pin nail hole 22 of pin is assembled, even if being not aligned with, due to extension 101 Length be more than core print 11 length and soldering depth difference, thereby may be ensured that core print 11 touches the bonding container less than lower die 2 23, when splitting upper mold 1 with lower die 2, the length of extension 101 stretches into the length of die hole 21 more than core print 11, therefore avoids Core print 11 is damaged the inner wall of die hole 21 during fractionation, so that production cost is low, solves extrusion die assembly The problem of, the scrappage of the extrusion die is reduced, assembling speed is fast, efficient, can be standardized to all extrusion dies The advantages that popularization.

Further, also referring to Fig. 1 to Fig. 3, a kind of specific reality as extrusion die provided by the utility model Apply mode, core print 11 includes column 110 and works band 111 from column 110 towards 2 outwardly extending core print of lower die, core print A part for work band 111 stretches into die hole 21.Specifically, core print work band 111 is stair-stepping cylinder, is for adjusting gold The flow velocity of category, stair-stepping core print work band is convenient for metal flow.Referring particularly to Fig. 3, when work, core print works band 111 A part stretches into die hole and squeezes workpiece.Referring particularly to Fig. 2, when installation, pin 10 needs alignment pin nail hole 22 to assemble upper mold 1 With lower die 2, even if pin 10 and pin hole 22 are not aligned with installation, due to pin 10 extension 101 length be more than core print The difference of 11 length and the depth of bonding container 23 thereby may be ensured that core print work band 111 will not collide bonding container 23, avoid The damage of core print work band 111 and bonding container 23, to ensure that extrusion die normal work.Split upper mold 1 and lower die 2 When, since a part for core print work band 111 is extend into die hole 21, to avoid core print from working in the collision die hole 21 of band 111 Wall leads to core print work band 111 damage or the inner wall damage of die hole 21, and therefore, the length of extension 101 need to be more than core print and work The length for stretching into die hole 21 with 111.And since the shape of core print 11 influences intensity, welding quality and the difficulty or ease of the processing journey of mold Degree, therefore the longitudinal section of 11 entirety of core print is cone, pyramid, truncated cone-shaped or prismatic table shape.

Further, referring to Fig. 1, a kind of specific implementation mode as extrusion die provided by the utility model, core First 11 quantity have it is multiple, correspondingly, the quantity of die hole 21 be it is multiple, each core print work band 111 a part it is corresponding It stretches into die hole 21.The extrusion die is allow to process more complicated work by designing multiple core prints 11 and die hole 21 Part.

Further, refering to fig. 1, as a kind of specific implementation mode of extrusion die provided by the utility model, soldering Room 23 is the first groove 230 for welding being opened in lower die 2, and the cross section of the first groove 230 is circle.First groove 230 can be used for accommodating metal stream and tentatively be combined metal fluid welding in the condition of high temperature and pressure vacuum, wherein first is recessed The periphery of slot 230 is equipped with the fillet 231 for transition to bottom, and the metal stream of preliminary soldering can be made to have round and smooth mistake It crosses.

Further, referring to Fig. 1, a kind of specific implementation mode as extrusion die provided by the utility model, mould Hole 21 include perforation connection molding room 210 and circulation chamber 211, molding room 210 is coaxial with circulation chamber 211 and molding room 210 It is connect with the first groove 230.By pushing 1 extrusion die orifice 21 of upper mold so that the metal stream Jing Guo 23 preliminary soldering of bonding container passes through The gap that core print works between band 111 and molding room 210 is circulated, and metal stream is made to be divided into two strands, and not by upper mold 1 Metal stream is processed as the tube-like piece of inner hollow by disconnected movement.Specifically, opening the opening less than circulation chamber 211 of molding room 210 Mouthful, the space of formation will be very beneficial for the metal stream that water conservancy diversion is extruded, and ensure that axial deformation and transversely deforming are carried out at the same time, reach The purpose uniformly flowed out to the metal of the reasonable distribution metal flow into molding room 210 and control bonding container 23.It is squeezed splitting this When compression mould, when the column 110 of upper mold 1 is split out completely from the molding room 210 of lower die 2, due to the length of extension 101 Effect, a part for pin 10 is also in pin hole 22, for avoiding leading to core print work band when splitting upper mold 1 with lower die 2 111 inner walls for running into molding room 210 play key effect, are scrapped so as to avoid the extrusion die.

Further, refering to fig. 1 and Fig. 3, as a kind of specific implementation mode of extrusion die provided by the utility model, Pin 10 and the center line of pin hole 22 are coaxial, it is ensured that are accurately positioned in assembling process.Wherein, the end of pin 10 is set There is chamfering 102, and the angle of chamfering 102 is 2-4 °, by the way that chamfering 102 is arranged so that pin 10 has the function of guiding, reduction The difficulty of assembly, reduced cost.Elasticity when in order to meet assembly and split, the end of pin 10 is using 2 ° of making.

Further, referring to Fig. 3, a kind of specific implementation mode as extrusion die provided by the utility model, under Mould is equipped with the second groove 24, and bonding container 23 is located on the second groove 24, and the second groove 24 and bonding container 23 are coaxial, upper mold 1 It is equipped with the upper mold coordinated with the second groove 24 and assembles seam allowance 12, core print 11 is located at the interposition of the one side of upper mold assembly seam allowance 12 It sets, upper mold, which assembles seam allowance 12 and is equipped with the one side of core print, is equipped with pin, and the mutual of seam allowance 12 and the second groove 24 is assembled by upper mold Cooperation is so that upper mold 1 is snapped together with lower die 2, while also allowing for the positioning of pin 10.

The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this All any modification, equivalent and improvement etc., should be included in the utility model made by within the spirit and principle of utility model Protection domain within.

Claims (10)

1. extrusion die, it is characterised in that：Including the upper die and lower die mutually fastened, the upper mold contacted with the lower die one Face is equipped with pin and core print, and the pin includes stretching into interconnecting piece in the upper mold and outside from interconnecting piece towards the lower die The extension of extension, the one side that the lower die is contacted with the upper mold are equipped with die hole and pin hole, and the lower die corresponds to the mould The position in hole is equipped with coaxial with the die hole and perforation connection bonding container, when the upper mold and the lower die fasten, the core A part for head is stretched into for squeezing workpiece in the die hole, and the extension is stretched into for positioning in pin hole, the extension The length in portion is more than the difference of the length of the core print and the depth of the bonding container, and the length of the extension is more than the core Head stretches into the length of the die hole.

2. extrusion die as described in claim 1, it is characterised in that：The core print includes column and from column towards institute The outwardly extending core print work band of lower die is stated, a part for the core print work band stretches into the die hole.

3. extrusion die as claimed in claim 2, it is characterised in that：The quantity of the core print have it is multiple, it is correspondingly, described The quantity of die hole is multiple, and when the upper mold and the lower die fasten, the part correspondence of each core print work band is stretched Enter in the die hole.

4. extrusion die as described in any one of claims 1 to 3, it is characterised in that：The bonding container be opened in it is described under The cross section of the first groove for welding on mould, first groove is circle.

5. extrusion die as claimed in claim 4, it is characterised in that：The die hole includes molding room and the circulation of perforation connection Room, the molding room is coaxial with the circulation chamber and the molding room connect with first groove.

6. extrusion die as claimed in claim 5, it is characterised in that：Opening the opening less than the circulation chamber of the molding room Mouthful.

7. extrusion die as described in any one of claims 1 to 3, it is characterised in that：In the pin and the pin hole Heart line is coaxial.

8. extrusion die as claimed in claim 7, it is characterised in that：The end of the interconnecting piece is equipped with chamfering, the chamfering Angle be 2-4 °.

9. extrusion die as claimed in claim 8, it is characterised in that：The longitudinal section of the core print is cone, pyramid, circle Platform shape or prismatic table shape.

10. extrusion die as described in any one of claims 1 to 3, it is characterised in that：The lower die is equipped with the second groove, The bonding container is located on second groove, and second groove and the bonding container are coaxial, the upper mold be equipped with The upper mold of the second groove cooperation assembles seam allowance, and the core print is located at the centre position of the one side of the upper mold assembly seam allowance, The one side that the upper mold assembly seam allowance is equipped with the core print is equipped with pin.