CN205702055U - A kind of metal threeway part diel - Google Patents

Abstract

This utility model belongs to diel field, is specifically related to a kind of metal threeway part diel.This utility model includes upper die and lower die；Also include: location bar and can put into and pre-rush the intraluminal ball of part；Reciprocating action can be made to rush the grip block of part at clamping position bar in advance along the radial direction of location bar；Punch rod, punch rod is by downward extended of the die face vertical of upper mold, punch rod external diameter, equal to or less than rushing part internal diameter and with location rod axis coaxially to each other in advance, is provided with the oblique section moving back the hole of bead in ball is advanced into grip block by the threeway pre-punched hole rushing part tube wall in advance bottom punch rod.This mould is widely applicable, it is possible to while the product intensity ensureing product and surface quality, and production cost is also available to be reduced further, and stock utilization relies on and effectively promoted.

Description

A kind of metal threeway part diel

Technical field

This utility model belongs to diel field, is specifically related to a kind of metal threeway part diel.

Background technology

Threeway is the one of conduit coupling, has the place of branch for being arranged on pipeline.Current metal threeway part, The method of metal cutting or die casting is generally used to manufacture.For metal-removing process, it is necessary first to utilize milling machine to mill out External Shape, then get out the inside through hole with drilling machine；Adopting in this way, production efficiency is extremely low, and waste of material is the most relatively Many.When the method using die casting carries out the production of metal threeway, the material category of part is limited.Due to applicable pressure The material of casting is mainly some specific copper, aluminium alloy, but some has the material needed for the part of Special use requirement occasion again In the range of being often not belonging to above-mentioned die-casting material, thus bring puzzlement to designer.Ratio is if desired for acidproof, alkaline-resisting, corrosion-resistant The part of occasion be necessary for using specific nickel alloy material, such material is high because of fusing point, it is clear that be just not suitable for carrying out die casting Produce.And having some materials intensity just ratio own relatively low, this also can the product surface of fabricated part after strong influence die casting Quality.How to seek a kind of reliable metal threeway part diel rational in infrastructure, it is possible to strong at the finished product ensureing product While degree and surface quality, reduce its production cost further, increase stock utilization, and its production efficiency can be promoted, for The technical barrier that this area is the most urgently to be resolved hurrily.

Summary of the invention

The purpose of this utility model is to provide a kind of reliable metal threeway part diel rational in infrastructure, and it is suitable for Wide, it is possible to while the product intensity ensureing product and surface quality, production cost is also available to be reduced further, material Utilization rate relies on and is effectively promoted.

For achieving the above object, this utility model have employed techniques below scheme:

A kind of metal threeway part punching mould, including can make to each other vertical to close and upper mold away from action and Lower mold；Characterized by further comprising:

For having the pre-location bar rushing part grafting location of the straight tube-like of threeway pre-punched hole, described location bar at tube wall in advance Setting is upwardly extended by the die face vertical of lower mold；

Can put into and pre-rush the intraluminal ball of part, time at the top end face that ball is held on location bar, the center of circle of ball Place elevation of water is highly consistent with the horizontal axis of threeway pre-punched hole；

Can make reciprocating action to rush the grip block of part at clamping position bar in advance along the radial direction of location bar, described grip block is extremely It is two and the rod axis axial symmetry distribution of location, edge, being used for against the end rushing part outer wall in advance of at least one grip block less Recessed or run through block and arrange and move back the hole of bead, described in move back hole of bead internal diameter equal to the flange external diameter after threeway pre-punched hole punching press, move back the hole of bead Hole depth more than or equal to above-mentioned flange height；

Punch rod, described punch rod is by downward extended of the die face vertical of upper mold, and described punch rod external diameter is equal to Or less than rushing part internal diameter and with location rod axis coaxially to each other in advance, be provided with bottom punch rod for by ball by rushing part pipe in advance The threeway pre-punched hole of wall moves back the oblique section in the hole of bead in being advanced into grip block.

Ball diameter is more than the twice of flange height.

This mould includes the projection of two-part ladder shaft-like, is provided with the shoulder hole of form fit therewith at lower mold；Projection Reduced diameter section constitute described location bar, and the shaft shoulder height of projection is less than the die face height of lower mold；It is positioned at shoulder hole epimere Small-bore section constitute and intert the cooperation section of location bar, and sector hole footpath, small-bore is more than or equal to the external diameter rushing part in advance.

The top of described location bar is provided with the oblique cut coordinated with oblique section bottom punch rod, oblique cut and location The chord length of the constituted string of intersection between the top end face of bar is less than the diameter of this top end face.

Described grip block has two pieces, and two grip blocks are removably fixed on lower mold upper surface, and two grip blocks are used for It is provided with adaptation against the inner side end rushing part outer wall in advance and holds the pre-arc groove rushing part outer wall tightly, running through moving back of grip block Between the hole of bead and one of them arc groove orthogonal；Two grip blocks are arranging the outboard end that arc groove place end face is relative Face is disposed with lozenges, and this lozenges is towards upper mold die face；It is fixed with in upper mold and is promoted two clampings by oblique mechanism respectively Block relative movement clamps two push rods rushing part in advance, and two push rod bottoms are respectively equipped with and the lozenges on two grip blocks The wedge shape coordinated compresses face, when the length of two push rods is enough to ensure that matched moulds bottom punch rod before contact ball, and two folders Hold the pre-part that rushes that block will be located into positioning on bar by both sides by gripping；This mould also include ordering about grip block make away from Rushing the elastic parts of part action in advance, when upper die and lower die are in matched moulds state, wedge shape compresses face and overcomes elasticity with lozenges The elastic-restoring force of assembly and slip over one another staggered, now two grip blocks constitute clamping coordinate with rushing in advance between part.

Described elastic parts is stretching groups of springs, elastic parts and rush part in advance and lay respectively at the two ends of grip block, bullet Property assembly include being fixed on the fixed block at lower mold die face, fixed block extend also at grip block along the radial direction rushing part in advance It is fixed with extension spring；Dodge each other between the position of extension spring and the active path of push rod.

Each grip block described all arranges two groups of extension springs, and two groups of extension springs are with the vertical guide at the axis place of threeway pre-punched hole And face is symmetrical arranged, on each grip block, also with this vertical guide, two pilot holes are arranged in symmetrical the running through in face；On two grip blocks Each pilot hole one_to_one corresponding each other is the most coaxially arranged, the lead worn for orienting grip block travel path in pilot hole.

Arrange dovetail chute at lower mold die face, guiding clamp rail is set at the bottom face of grip block, constitute slide rail between the two and lead To cooperation.

Using guide pillar as the director element of both guiding action between upper die and lower die；Described upper mold is with layer the most each other Cope match-plate pattern, upper die plate and punch retainer that laying up is put are constituted, and on punch retainer, corresponding layout is used for walking and fixing leading The fixing hole of post, push rod and punch rod；Lower mold include lower and on the lower bolster of patterned layers disposed one over, lower mold backing plate and recessed Mould fixed plate, die block is arranged shoulder hole and the axis of guide trepanning walked for guide pillar.

The beneficial effects of the utility model are:

1), it is different from the metal cutting molding of traditional inefficiency and raw material is required the die cast side of harshness Formula.This utility model rushes part in advance by the interspersed location axial with location bar, carrys out holding tightly of radial direction with grip block fixing pre- Rush part, to exert a force to ball with the from top to bottom vertical action of punch rod, and then make spherical ball in the specific time to spy Extruding action is made in fixed direction (namely threeway pre-punched hole direction), finally achieves the online efficient punching press for threeway part Produce.In whole punching course, due to the flange molding at threeway pre-punched hole, it is completely dependent on ball extruding cooperation and moves back the hole of bead Pass constraint realizes, and therefore material is completely absent lossy, and the utilization rate of material is high.In addition, each threeway punching Press operation, it is only necessary to inserting material-matched moulds-die sinking-feeding four action at resetting bar, its production efficiency is the most high.

To sum up, this utility model operation is the most convenient reliably, widely applicable；It can ensure product product intensity and While surface quality, production cost is also available to be reduced further, and stock utilization relies on and effectively promoted.

2), as the further preferred scheme of such scheme, the restriction of ball diameter, it is ensured that every time by punch rod ball Ball is exerted a force, and ball extruded piping branch tee pre-punched hole after making its flange molding, ball can naturally roll out also along flange Fall within and move back in the hole of bead.Afterwards, ball gets final product nature discharging and remains use next time.Pass through said structure, it is to avoid because ball is straight Footpath select permeability and stuck between the ball that occurs and flange pass and material situation cannot be taken off, thus further promote mould Work efficiency.

3), location bar is actually made up of the part stretching out lower mold die face of projection.The shaft shoulder of projection is positioned at lower mold mould Below face；Namely rushing part in advance when interspersed location bar, the bottom face of this part is actually positioned at below lower mold die face.It So using this kind of structure, on the one hand be easy for clamping part not yet hold tightly pre-rush part time, rush in advance part can naturally and Pre-constraint in the radial direction is realized between the bar of location.On the other hand, this kind of structure enables to position the diameter of bar more carefully, namely The radial clearance rushing part relative localization bar in advance is wider.Above-mentioned radial clearance broadens, and also allow for that punch rod can press down is deep Degree is bigger, even more so that oblique section can be after staggered with oblique cut at punch rod, moreover it is possible to continue the segment distance that sinks, until Between punch rod with location bar, bus contacts each other.So, the constituted string of intersection between the top end face of oblique cut and location bar Chord length certain in the case of, the operating range axial along threeway pre-punched hole of ball is available further to be promoted, its threeway The molding effect of flange is also the most more preferably.

4) it practice, location bar can use less diameter, so that the above-mentioned pre-radial direction rushing part relative localization bar Gap increases, and does not the most even use oblique cut also can realize the punch rod radial push purpose for ball.Certainly, this reality The location bar of oblique cut is possessed, to promote the radial action reliability of ball further with novel preferably employing.

5), arc groove is all arranged, so that two arc grooves can after enclosing on the grip block of two relative motion The pre-banding set rushing part outer wall can be tightly embraced in formation, to ensure the pre-fixing effect in position rushing part when pressing under punch rod Really.Move back the hole of bead and be preferably through hole, with realize ball along flange extrude after quickly move back pearl purpose.The setting of lozenges, coordinates Push rod, it is achieved thereby that grip block can be made to the displacement action rushed in advance at part naturally when matched moulds.The cloth set of elastic parts Put, contrary: elastic parts utilizes the elastic-restoring force of self, so that when die sinking, grip block can unclamp pre-punching zero immediately Part, and along away from rushing the direction action of part in advance to initial position, to treat mould assembling action next time.Assist each other between above-mentioned each parts Adjusting, linkage is strong, and work efficiency is the most high.

6), elastic parts includes extension spring and fixed block.Extension spring is for providing the reply action force of relative grip block, and consolidates Determine block then provide extension spring with fixed base point, to guarantee the extension spring pulling force action effect for grip block.Lead and pilot hole Arrange, it is ensured that the centering between two arc grooves at clamping part, to promote its working stability degree and the accurate journey of action Degree；Guide clamp rail to coordinate in like manner with the guiding of dovetail chute.

7), in the concrete structure of upper die and lower die, upper mold is with the cope match-plate pattern of from top to bottom patterned layers disposed one over, upper die plate And punch retainer is constituted；The lower bolster of patterned layers disposed one over, lower mold backing plate and die under lower mold then includes are fixed Plate.Cope match-plate pattern and the mold frame of lower bolster formation base, upper die plate and lower mold backing plate provide each work portions such as punch rod Part with firm stress supporter, each fixed plate then as direct fixed platform with fixing each workpiece, finally ensure that whole The normal reliable of individual mould and Efficient Operation.

Accompanying drawing explanation

Fig. 1 is the structure cross-sectional schematic that this utility model is under die opening state；

Fig. 2 is the structure cross-sectional schematic that this utility model is under matched moulds state；

Fig. 3 is the schematic top plan view of lower mold die face；

Fig. 4 is the structure cross-sectional schematic of die block.

In accompanying drawing, each labelling is as follows with each component names corresponding relation of the present utility model:

A-rushes part a1-flange in advance

10-projection 11-positions bar 11a-oblique cut

12-shoulder hole 12a-small-bore section 13-axis of guide trepanning

20-punch rod 20a-oblique section 30-ball

40-grip block 40a-lozenges 41-moves back hole of bead 42-arc groove

50-push rod 50a-wedge shape compresses face

61-fixed block 62-extension spring 70-dovetail chute 80-lead 90-guide pillar

101-cope match-plate pattern 102-upper die plate 103-punch retainer

111-lower bolster 112-lower mold backing plate 113-die block

Detailed description of the invention

For ease of understanding, structure of the present utility model and work process are made by the illustration that is embodied as here in connection with Fig. 1-4 Further describe:

As Figure 1-3, its main body frame is made up of concrete structure of the present utility model upper die and lower die and guide pillar 90； Upper die and lower die along the guide direction of guide pillar 90 can make vertical to matched moulds and die sinking action.Upper mold includes from top to bottom stacking cloth Cope match-plate pattern 101, upper die plate 102 and the punch retainer 103 put, lower mold then includes that the die of from top to bottom arranged stacked is fixed Plate 113, lower mold backing plate 112 and lower bolster 111.

As the basic fixing body of mold work parts, wherein as shown in Fig. 1-2 and Fig. 4, die block 113 and convex The Kong Lu such as some fixing holes are offered in mould fixed plate 103.Intert in the plate body of die block 113 and be fixed with: being used for Dispose guideway to constitute the axis of guide trepanning 13 of guide pillar guide way, for accommodating and fix the shoulder hole 12 of projection 10.Recessed Above-mentioned lower mold die face is then constituted, with fixed clamp block 40 and spring assembly at the upper face of mould fixed plate 113.As it is shown in figure 1, Dovetail groove 70 is there also is provided, to realize leading for the displacement of grip block 40 moving direction at the upper face of die block 113 To function.Intert in the plate body of punch retainer 103 and be fixed with: guide pillar 90 constitutes, with grip block 40, the push rod that inclined-plane coordinates 50 and with at projection 10 position bar 11 constitute the punch rod 20 that inclined-plane coordinates.

Grip block 40 is from as wedge.Be positioned in Fig. 1-2 left side for left side grip block, be positioned at right side for right side Grip block.The lozenges 40a of left side grip block is positioned at the upper drift angle in left side, and the lozenges 40a of right side grip block is then positioned at the right side On side at drift angle, thus coordinate the wedge shape at the push rod 50 at upper mold to compress face 50a, realize grip block 40 and rush part the most in advance The clamping lock ring action of a.On the premise of above-mentioned holding action, mould itself necessarily also needs to grip block 40 can be in good time Unclamp clamping, in order to blowing and feeding.The action dependence spring assembly that unclamps of grip block 40 realizes.As shown in Figure 1-2, Whenever mould matched moulds, when push rod is pressed for 50 times, push rod 50 relies on wedge shape to compress face 50a and bestows grip block 40 with to rushing part a side in advance To displacement force, the now extension spring 62 of elastic parts is in by pulling force elongation state.When moving in mould die sinking, push rod 50, Under the natural resiliency restoring force of extension spring 62 as shown in Figure 3, the rapid return of grip block 40, thus loosen for rushing part a's in advance Lock ring action, in order to feeding and again blowing.

Real work flow process of the present utility model is as follows:

During matched moulds, first it is inserted in the location bar 11 at lower mold die face, as shown in Figure 1 rushing part a in advance.To be drilled with threeway in advance Pre-punched hole pre-rushes to have on part a on the left of the one side alignment of threeway pre-punched hole and moves back the hole of bead 41 on grip block, then from rushing part a in advance Ball 30 is put in top.Ball 30 put into pre-rush part a endoporus after, start forcing press, upper mold starts to make downward mould assembling action. Along with upper mold action, push rod 50 and punch rod 20 move down therewith.The shaft length exposing lower mold die face due to push rod 50 Long more than punch rod 20 bar, wedge shape at push rod 50 compresses face 50a prior to punch rod 20, and produces and the wedge shape on grip block 40 The contact of face 40a, and start to promote grip block 40 to move inwards；Arc groove 42 on grip block 40 moves closer to pre-rush part A is until holding this part tightly.Arc groove 42 hold tightly pre-rush part a while, the oblique section 20a at punch rod 20 just starts to connect Contact ball 30.Again as in figure 2 it is shown, along with upper mold continues to move downward, the bus of the bus of push rod 50 and grip block 40 is Contact, is only by between them mutually sliding afterwards, and grip block 40 still keeps initial enclasping force.Meanwhile, punch rod 20 Oblique section 20a starts to withstand ball 30, and gradually promote ball 30 produce as shown in Figure 2 be moved to the left action.Along with ball Promote gos deep into, and ball 30 is extruded from the threeway pre-punched hole rushing part a in advance again.Owing to the diameter of ball 30 is more than threeway pre-punched hole Diameter, the material of threeway pre-punched hole surrounding outwards will necessarily be routed up formation flange a1, and then make a molding of threeway. After ball 30 completes extruding action, get out from flange a1 and roll into moving back in the hole of bead 41 on grip block 40, until being rolled into mould Outward, produce to facilitate next time.

During die sinking, upper mold produces upwards action, the wedge shape of push rod 50 compress face 50a gradually with the lozenges of grip block 40 40a separates.Under the elastic-restoring force of elastic parts, extension spring 62 pulls grip block 40 be displaced outwardly and reset, at grip block 40 Arc groove 42 start to depart from forming part.After die sinking action completes, stamping forming threeway part can be taken out in scene, complete Become a production procedure.If continuing afterwards to produce, can continue to fetch and new pre-rushing part, repeating above-mentioned blowing matched moulds and die sinking Action.

Claims (9)

1. a metal threeway part diel, including can make to each other vertical to close and upper mold away from action and Lower mold；Characterized by further comprising:

For having the pre-location bar (11) rushing part (a) grafting location of the straight tube-like of threeway pre-punched hole at tube wall in advance, described fixed Position bar (11) is upwardly extended setting by the die face vertical of lower mold；

Can put into and pre-rush the intraluminal ball of part (a) (30), time at the top end face that ball (30) is held on location bar (11), Place, the center of circle elevation of water of ball (30) is highly consistent with the horizontal axis of threeway pre-punched hole；

Reciprocating action can be made along the radial direction of location bar (11) and rush the grip block (40) of part (a) with clamping position bar (11) place in advance, Described grip block (40) at least two and bar (11) the axis for axis symmetry distribution of location, edge, being used for of at least one grip block (40) Recessed against the end rushing part (a) outer wall in advance or run through block arrange move back the hole of bead (41), described in move back the hole of bead (41) internal diameter etc. Flange (a1) external diameter after threeway pre-punched hole punching press, moves back the hole depth in the hole of bead (41) more than or equal to above-mentioned flange (a1) highly；

Punch rod (20), described punch rod (20) is by downward extended of the die face vertical of upper mold, described punch rod (20) External diameter is equal to or less than rushing part (a) internal diameter and with location bar (11) axis coaxially to each other in advance, and punch rod (20) bottom is provided with use The oblique section of the hole of bead (41) is moved back in ball (30) is advanced into grip block (40) by the threeway pre-punched hole rushing part (a) tube wall in advance (21)。

A kind of metal threeway part diel the most according to claim 1, it is characterised in that: ball (30) is a diameter of More than the twice of flange (a1) height.

A kind of metal threeway part diel the most according to claim 1 and 2, it is characterised in that: this mould includes The projection (10) of two-part ladder shaft-like, is provided with the shoulder hole (12) of form fit therewith at lower mold；Projection (10) little directly Footpath section constitutes described location bar (11), and the shaft shoulder height of projection (10) is less than the die face height of lower mold；It is positioned at shoulder hole (12) Small-bore section (12a) at epimere constitutes the cooperation section of interspersed location bar (11), and sector hole footpath, small-bore is more than or equal to pre-punching The external diameter of part (a).

A kind of metal threeway part diel the most according to claim 1 and 2, it is characterised in that: described location bar (11) top is provided with and punch rod (20) bottom oblique section (21) oblique cut (11a) that coordinates, oblique cut (11a) with The chord length of the constituted string of intersection between the top end face of location bar (11) is less than the diameter of this top end face.

A kind of metal threeway part diel the most according to claim 1 and 2, it is characterised in that: described grip block (40) having two pieces, two grip blocks (40) are removably fixed on lower mold upper surface, and two grip blocks (40) are for against in advance The inner side end rushing part (a) outer wall is provided with adaptation and holds the pre-arc groove (42) rushing part (a) outer wall tightly, runs through grip block (40) move back between the hole of bead (41) and one of them arc groove (42) is orthogonal；Two grip blocks (40) are arranging arc groove (42) end face outside that place end face is relative is disposed with lozenges (40a), and this lozenges (40a) is towards upper mold die face；In upper mold It is fixed with and is promoted by oblique mechanism two grip block relative movements to clamp two push rods (50) rushing part (a) in advance respectively, Two push rod bottoms are respectively equipped with the wedge shape coordinated with the lozenges (40a) on two grip blocks (40) and compress face (50a), two When the length of push rod (50) is enough to ensure that matched moulds, punch rod (20) bottom is before contact ball (30), two grip blocks (40) by The pre-part (a) that rushes that both sides will be located into positioning on bar (11) is by gripping；This mould also includes ordering about grip block (40) Make away from rushing the elastic parts of part (a) action in advance, when upper die and lower die are in matched moulds state, wedge shape compress face (50a) with Lozenges (40a) overcomes the elastic-restoring force of elastic parts to slip over one another staggered, now two grip blocks (40) with rush part in advance Constitute clamping between (a) to coordinate.

A kind of metal threeway part diel the most according to claim 5, it is characterised in that: described elastic parts is Stretching groups of springs, elastic parts and rush part (a) in advance and lay respectively at the two ends of grip block (40), elastic parts includes being fixed on Fixed block (61) at lower mold die face, is extended also to grip block (40) place along the radial direction rushing part (a) in advance by fixed block (61) It is fixed with extension spring (62)；Dodge each other between the position of extension spring (62) and the active path of push rod (50).

A kind of metal threeway part diel the most according to claim 6, it is characterised in that: each clamping described Block (40) all arranges two groups of extension springs (62), and two groups of extension springs (62) are with the vertical guide at the axis place of threeway pre-punched hole and face symmetry sets Putting, on each grip block (40), also with this vertical guide, two pilot holes are arranged in symmetrical the running through in face；Each on two grip blocks (40) Pilot hole one_to_one corresponding each other is the most coaxially arranged, the lead worn for orienting grip block (40) travel path in pilot hole (80)。

A kind of metal threeway part diel the most according to claim 6, it is characterised in that: arrange at lower mold die face Dovetail chute (70), arranges guiding clamp rail at the bottom face of grip block (40), constitute slide rail between the two and guide cooperation.

A kind of metal threeway part diel the most according to claim 3, it is characterised in that: between upper die and lower die with Guide pillar (90) is as the director element guiding both actions；Described upper mold is with the cope match-plate pattern of from top to bottom patterned layers disposed one over (101), upper die plate (102) and punch retainer (103) constitute, punch retainer (103) upper corresponding arrange be used for walking and Fixing guide pillar (90), push rod (50) and the fixing hole of punch rod (20)；Under patterned layers disposed one under lower mold includes Template (111), lower mold backing plate (112) and die block (113), die block (113) is arranged shoulder hole (12) with And it is used for the axis of guide trepanning (13) that guide pillar (90) is walked.