CN208944942U - A kind of mold of fast changeable mold core - Google Patents

Abstract

The utility model relates to a kind of molds of fast changeable mold core, including mold core and for the mould bases of mold core releasable connection, the mold core includes upper mold core and lower mold core, the mould bases includes top mold holder and lower mold holder, at least one mold core is the embedded mold core being embedded in the mounting groove being arranged on corresponding mould bases, the mold further includes the bolt assembly for connecting the mould bases and embedded mold core, the bolt assembly includes screw bolt and nut, the bolt is threaded through in the long hole for the profile interface setting for penetrating through the embedded mold core and mounting groove, the bolt, which is oriented to setting along long hole and has on guiding stroke, makes the screw bolt and nut be fully moved to release the disassembly position of the fixation to embedded mold core on mould bases.When replacing mold core, bolt need to only be unscrewed and be moved to disassembly position along long hole, so that it may realized the separation for being embedded in mold core and mould bases, to keep embedded mold core replacement very convenient, save the lead-time, the replacement of mold is more efficient.

Description

A kind of mold of fast changeable mold core

Technical field

The utility model relates to blanking die fields, and in particular to a kind of mold of fast changeable mold core.

Background technique

Blanking die refers in punching production that mold used in blanking applies plate by press machine and mold External force separates plate, so that the workpiece of shape and size needed for obtaining, existing Sheet Metal Forming Technology are directed to stamping die It frequently uses and replaces, since whole set of die is than cumbersome, but in order to ensure the machining accuracy of mold, generally require the whole series Mold is removed from punching machine, then the die location of new whole set of die integral lifting to punching machine is replaced, and is replacing It needs more people to operate in the process, also to use fork truck once in a while, row is hung etc., and large scale equipments, replacement process are very inconvenient.

Authorization Notice No. provides a kind of fast changeable mold core for the Chinese utility model patent of CN204685834U Mold, including top mold holder, upper mold core, lower mold holder, lower mold core, top mold holder and upper mold core, lower mold holder and lower mold core pass through identical Fixed form assembly is fixed, be illustrated by taking top mold holder and upper mold core as an example, multiple guiding be provided in upper mold core Hole is provided with the guide post with the inserting cooperation of each pilot hole in top mold holder, is realized by the cooperation of pilot hole and guide post The location and installation of mould bases and upper mold core；Mold further includes the fixation device of fixing assembling top mold holder and upper mold core, fixed device packet Two fixed blocks positioned opposite for including the location hole being arranged on the lateral surface of upper mold core and being fixed in top mold holder, fixed block It is equipped with the voussoir that cooperate with location hole, voussoir is inserted into location hole by way of Pneumatic clamping, completion top mold holder and upper The fixation of mold core when more mold exchange, only needs to change upper mold core and lower mold core although the removable installation of mold core and mould bases is fixed, It is fixture structure complexity, higher cost.

The prior art also has the mode for the removable installation that mold core and mould bases are realized simply by screw, such as Granted publication Number for CN206898216U Chinese utility model patent disclosed in a kind of general quick change kiss-coating bottom plate hot-forming die, upper mold and Lower die is fixedly mounted on corresponding die holder by screw respectively.But since the thickness of upper die and lower die is generally large, screw Size is often longer, in dismounting, needs completely to dismantle screw, and it is very inconvenient to dismount, and replacement efficiency is lower.

There are also the schemes fixed using pressing plate in the prior art, such as Authorization Notice No. is the middle promulgated by the State Council of CN102059777B A kind of tandem product plastic deformation Combined injection mold of bright patent disclosure illustrates that it is solid by taking the installation process of upper mold as an example Determine mode, upper mold includes upper die holder, intermediate plate, caster, interchangeable master mold, master mold mold insert able to quickly change, barocline side and pressing plate, is used Bolt connects intermediate plate, caster with upper die holder, and master mold mold insert able to quickly change is inserted into the through slot of interchangeable master mold, then will Master mold mold insert able to quickly change and interchangeable master mold are inserted into the mounting groove of caster, are carried out with two sides of baroclining to interchangeable master mold Interchangeable master mold, is then fastened in caster with eight pressing plates, master mold mold insert able to quickly change by positioning and locking, blending bolt fastening The boss and interchangeable master mold block having by itself cooperate, and then are fixed in interchangeable master mold.According to product situation, more Change the master mold mold inserts able to quickly change of same Outside Dimensions, one or all in interchangeable master mold, lower die fixed form and upper mold phase Together, it although facilitating the replacement of mold, needs that pressing plate is arranged, there is also dismount inconvenience, die change low efficiency.

Utility model content

The purpose of this utility model is to provide a kind of molds of fast changeable mold core, to solve mould in the prior art The problem of core dismounting is inconvenient, die change low efficiency.

A kind of mold of fast changeable mold core, including mold core and for the mould bases of mold core releasable connection, the mold core includes Upper mold core and lower mold core, the mould bases include top mold holder and lower mold holder, at least one mold core is to be embedded to be arranged on corresponding mould bases Mounting groove in embedded mold core, the mold further includes the bolt assembly for connecting the mould bases and embedded mold core, described Bolt assembly includes screw bolt and nut, and the bolt is threaded through the profile interface setting for penetrating through the embedded mold core and mounting groove Long hole in, the bolt along long hole be oriented to setting and guiding stroke on have so that the screw bolt and nut is fully moved to mould The disassembly position of the fixation to embedded mold core is released on frame.

Have the beneficial effect that embedded mold core is embedded in mounting groove, convenient to position to embedded mold core, embedded mold core passes through Bolt assembly is connect with mould bases, and bolt, which is worn, to be penetrated through in the long hole for the profile interface setting for being embedded in mold core and mounting groove, i.e., long The a part in hole is arranged on mould bases, and a part setting is on being embedded in mold core, when replacing mold core, need to only unscrew nut, and Bolt assembly is set to be moved to disassembly position along long hole, so that it may realize the separation for being embedded in mold core and mould bases, not need completely to unload nut Under, to keep embedded mold core replacement very convenient, save the lead-time, the replacement of mold is more efficient；And Using the cooperation of bolt assembly and long hole, structure is simple, has saved the cost of mold.

Further, being equipped on the mould bases equipped with the long hole backwards to the side of another mould bases supplies the head of the bolt embedding Enter and be oriented to the groove of cooperation.

It has the beneficial effect that the groove in the setting of the side of mould bases for bolt head guiding cooperation, bolt is avoided by groove Head, thus do not needed on mould bases it is pre- remain for install bolt head gap, keep die carrier structure more compact.

Further, the mould bases includes backing plate and the mold core fixed plate that is fixed on backing plate, and the groove setting is being padded One end of the separate mounting groove of the aperture passed through on plate and on backing plate outer ledge, the mold core fixed plate for bolt is blind End.

Groove is had the beneficial effect that through backing plate outer ledge, in replacement or demounting bolt, only needs first to fix mold core Plate is disassembled from backing plate, and bolt can move loading or dismounting along groove, facilitates the dismounting of bolt；Moreover, installing When mold, directly bolt is moved into long hole along groove, and is connect with embedded mold core, embedded mold core can be completed in tightening nut It is fixed, to facilitate the installation of mold；It is cecum by one end of the separate mounting groove of the aperture in mold core fixed plate, bolt is made to exist There is limited travel in long hole, bolt is avoided to slip in long hole.

Further, the mold core mounting hole through the fixed plate thickness direction of mold core, institute are provided in the mold core fixed plate The inner hole wall for stating mold core mounting hole constitutes the cell wall of the mounting groove, constitutes institute towards the side of mold core fixed plate on the backing plate State the groove bottom of mounting groove.

Have the beneficial effect that mounting groove is made of mold core fixed plate and backing plate, simplify die carrier structure, saved mold at This.

Further, the mold core includes mold core body and the flange for being connected to mold core body bottom, and the one of the long hole Part is located on flange.

It has the beneficial effect that a part of long hole is located on flange, facilitates the processing of long hole, in addition will be embedded in mold core dismounting When, bolt is removed into the part long hole on flange, so that it may release the fixed relationship for being embedded in mold core and mould bases, bolt is moved into flange On part long hole, and tightening nut, so that it may establish the fixed relationship for being embedded in mold core and mould bases, the fixed dress of convenient embedded mold core Match.

Further, the mold core body is equipped with the evacuation recess for avoiding the nut.

It has the beneficial effect that by the way that evacuation recess is arranged, keeps embedded mold insert structure more compact, reduce the body for being embedded in mold core Product mitigates the weight for being embedded in mold core.

Further, the mold core is equipped with for the location structure with the circumferentially positioned cooperation of mold core mounting hole.

Have the beneficial effect that setting location structure is easy to implement positioning assembly of the mold core in mold core mounting hole.

Further, the long hole is equipped at least two.

Have the beneficial effect that setting at least two director holes, it is more firm to the fixation of embedded mold core.

Further, the lower mold holder includes lower template, is fixedly installed in lower template and is used to support plate to be processed Support plate, the plate face of support plate and the either flush of mold core fixed plate.

Have the beneficial effect that the plate face of support plate and the either flush of mold core fixed plate, it, can when plate to be processed is larger Auxiliary support is provided to plate.

Detailed description of the invention

Fig. 1 is the assembling schematic diagram of the Die Embodiment of the fast changeable mold core of the utility model；

Fig. 2 is the assembling schematic diagram of top mold holder and lower mold holder in Fig. 1；

Fig. 3 is the schematic perspective view of the upper mold of the Die Embodiment of the fast changeable mold core of the utility model；

Fig. 4 is the top view of Fig. 3；

Fig. 5 is the structural schematic diagram of the lower die of the Die Embodiment of the fast changeable mold core of the utility model；

Fig. 6 is the structural schematic diagram of the upper embedded mold core of the Die Embodiment of the fast changeable mold core of the utility model；

Fig. 7 is the structure of the upper and lower embedded mold core combination of the Die Embodiment of the fast changeable mold core of the utility model Schematic diagram；

In figure: 1- cope plate；2- upper die plate；3-T connected in star；The upper mounting groove of 4-；5- upper mold core fixed plate；6- nut； 7- bolt；8- support plate；9- lower template；10- lower mold backing plate；11- lower mold core fixed plate；12- pressure plate；13- upper mould fixed plate； Mounting groove under 14-；Mold core is embedded under 15-；The circumferentially positioned trimming of 16-；The outer gap of 17-U shape；18- evacuation recess；It slits in 19-U shape Mouthful；20- formed punch；21- is punched hole；22- rubber slab.

Specific embodiment

The specific embodiment of the mold of the fast changeable mold core of utility model is made furtherly with reference to the accompanying drawing It is bright.

The mold of mold core can be changed quickly includes upper die and lower die, as shown in Fig. 1 ~ Fig. 7, upper mold include upper embedded mold core and Top mold holder, lower die include lower embedded mold core and lower mold holder, mounting groove 4 are provided in top mold holder, upper embedded mold core passes through bolt Component is inlaid in mounting groove 4, and bolt assembly includes bolt 7 and nut 6, and lower mounting groove 14 is provided on lower mold holder, under it is embedding Die-filling core 15 is inlaid in lower mounting groove 14 by screw.

Specifically, top mold holder includes the cope plate 1, upper die plate 2 and upper mold core fixed plate 5 set gradually from top to bottom, As shown in Fig. 2, cope plate 1, upper die plate 2 and upper mold core fixed plate 5 are fixedly connected as an entirety by screw, in upper mold core The middle part of fixed plate 5 is provided with the upper mold core mounting hole for running through upper mold core fixed plate 5 along the thickness direction of upper mold core fixed plate 5, The upper mounting groove 4 for installing embedded mold core is collectively formed in the inner hole wall of upper mold core mounting hole and the downside of upper die plate 2, The inner hole wall of upper mold core mounting hole constitutes the cell wall of upper mounting groove 4, and the downside of upper die plate 2 constitutes the slot bottom of upper mounting groove 4 Face.

Upper embedded mold core is embedded in upper mounting groove 4, as shown in figures 1 and 3, upper embedded mold core and upper mold core mounting hole Boundary forms the profile interface of mounting groove 4.Upper embedded mold core includes pressure plate 12, rubber slab 22 and upper mould fixed plate 13, pressure plate 12, rubber slab 22 and upper mould fixed plate 13 are connected by screw to as an entirety, and upper mould fixed plate 13 is inlaid in In mounting groove 4, be bonded backwards to the side of upper mounting groove 4 with rubber slab 22 on upper mould fixed plate 13, upper mould fixed plate 13 with The sticking part that rubber slab 22 is bonded, sticking part and rubber slab 22 and pressure plate 12 collectively form mold core body, upper mould fixed plate 13 On in the bottom side part of lower sticking part (i.e. on upper mould fixed plate 13 remove) of mold core body be flange, i.e., flange one at Type is on upper mould fixed plate 13.

The overall profile of flange is circle, is radially provided with two that opening direction deviates from mold core body along flange on flange The outer gap 17 of U-shaped, as shown in Fig. 4, Fig. 6 and Fig. 7, the outer gap 17 of two U-shapeds is symmetrical arranged on the left and right directions of flange.Upper Mold core fixed plate 5 is provided with gap 19 in two U-shapeds corresponding with gap 17 outside two U-shapeds respectively, then in upper mold core fixed plate 5 One end far from upper mounting groove 4 of the aperture passed through for bolt 7 is cecum, gap 19 and corresponding U-shaped gap 17 outside in each U-shaped It communicates and the long hole for being embedded in the profile interface of mold core and upper mounting groove 4 in a perforation is collectively formed, gap 19 has in each U-shaped Have the length dimension for being fully moved to nut 6 in upper mold core fixed plate 5, thus make to have on the guiding stroke of bolt 7 to Realize the disassembly position for releasing the fixation to embedded mold core.In addition, being arranged on the end face opposite with lower mold holder of pressure plate 12 useful In to the stamping forming formed punch 20 of plate progress.

Bolt 7 is tommyhead bolt, and bolt 7 is threaded through in long hole downwards from upper die plate 2, and nut 6 and bolt 7 cooperate, upper Side on die-cushion plate 2 backwards to upper embedded mold core is provided with the T connected in star 3 through backing plate outer ledge, T connected in star and T shape spiral shell The head insertion T connected in star 3 of bolt adaptation, bolt 7 is interior and is oriented to cooperation with T connected in star 3, in this way when needing replacing bolt 7, only Upper mold core fixed plate 5 need to be removed, bolt 7 is removed along T connected in star 3, is not needed upper die plate 2 and upper mold core fixed plate 5 entirety remove, and promote replacement efficiency.

It is equipped with the evacuation recess 18 for avoiding nut 6 close to the side of gap 17 outside U-shaped in mold core body, is avoided recessed Portion 18 vertically extends and section is at U-shaped.It is equipped with along upper for circumferentially fixed with mold core mounting hole in the circular edges of flange The location structure of position cooperation, location structure is two circumferentially positioned trimmings 16 being arranged on flange in the present embodiment, two Circumferentially positioned trimming 16 is positioned opposite in the longitudinal direction, and the inner hole wall of upper mold core mounting hole is adapted to the outer peripheral surface of flange, with It prevents from being embedded in mold core axial-rotation in upper mounting groove 4.

Lower mold holder includes setting gradually from up to down and by the fixed lower mold core fixed plate 11 of screw, 10 and of lower mold backing plate Lower template 9, as shown in figure 5, lower mold core mounting hole is provided in lower mold core fixed plate 11, the hole wall and lower die of lower mold core mounting hole The upper side of backing plate 10 forms lower mounting groove 14, and lower embedded mold core 15 is inlaid in lower mounting groove 14 by screw.In lower template 9 It is fixed with support plate 8 by screw, the side of lower mold core fixed plate 11, the top surface of support plate 8 and lower mold core is arranged in support plate 8 The either flush of fixed plate 11, to carry out Auxiliary support to plate.Punching corresponding with formed punch is provided on lower embedded mold core 15 Hole 21 is cut out, for cooperating formed punch 20 to carry out punch press process to plate.

It is first that upper die plate 2 and cope plate 1 is fixed when installing upper mold, the head of bolt 7 is embedded in T connected in star 3, It is by screw that upper mold core fixed plate 5 is fixed relative to upper die plate 2 again, upper embedded mold core is then inlaid in upper mounting groove 4 In, along 7 position of long hole adjustment bolt, cooperate the outer gap of the U-shaped on bolt 7 and flange, tightening nut 6, by upper embedded mold core It is fixed in mounting groove 4.When needing replacing upper embedded mold core, bolt 7 and nut 6 are moved fully to by loosening nut 6 The fixation to upper embedded mold core is released in mold core fixed plate 5, then removes upper embedded mold core, to be embedded on realizing The quick-replaceable of mold core.

When installing lower die, lower mold core fixed plate 11, lower mold backing plate 10 and lower template 9 are fixed by screw, it is embedding by under Die-filling core 15 is directly anchored in lower mounting groove 14 by screw.

In the present embodiment, upper embedded mold core is fixed in top mold holder by bolt assembly and long hole cooperation, in other realities It applies in example, lower embedded mold core can also be fixed on lower mold holder by bolt assembly and long hole cooperation, or by upper embedded mould Core and lower embedded mold core are fixed on corresponding mould bases by way of bolt assembly and long hole cooperation, i.e., need to only be correspondingly arranged spiral shell Bolt assembly and corresponding long hole.

In the present embodiment, it is provided with support plate in lower template, in other embodiments, support plate can be not provided with, Lower mold core fixed plate is only relied on to be supported plate.

In the present embodiment, long hole setting there are two, in other embodiments, can be arranged at intervals with three or four with On long hole, and be correspondingly arranged corresponding bolt assembly, according to circumstances adjust the quantity of long hole and bolt assembly.

In the present embodiment, for being circumferentially positioned with the location structure of the circumferentially positioned cooperation of mold core mounting hole on mold core Trimming can also be existed using the location structure of other forms for example, by using pin location structure respectively in other embodiments Shop bolt and dowel hole are set on mold core bottom surface and mounting groove groove bottom；For another example key location structure is used, in mold core periphery Keyway and positioning key is respectively set in the groove sidewall of face and mounting groove.

In the present embodiment, the evacuation recess of evacuation nut is provided in mold core body, it in other embodiments, can be with It is not provided with evacuation recess.

In the present embodiment, it is U-shaped gap by gap outside gap in U-shaped and U-shaped, in other embodiments, can incites somebody to action Gap is set as rectangular gap.

In the present embodiment, long hole is radially extended along flange, and in other embodiments, the extending direction of long hole can be only The axle center of flange.

In the present embodiment, T connected in star runs through upper die plate outer ledge, and in other embodiments, groove can not pass through The outer ledge of upper die plate is worn, at this point, groove facilitates the head insertion for bolt.

In the present embodiment, top mold holder is split type structure, and in other embodiments, top mold holder can be monoblock type knot Long hole can also be run through the side of outside top mold holder, to facilitate the dismounting of bolt and the installation of mold by structure at this time.

In the present embodiment, the T connected in star of the head insertion for bolt is provided on upper die plate, in other embodiments In, the long hole for bolt guiding movement can be set on upper die plate, long hole have be fully moved to nut on mould bases with The length dimension of the fixation to embedded mold core is released, while setting avoids the escape groove of bolt head, escape groove on cope plate Length dimension be not less than long hole length dimension, move freely bolt head in escape groove.

In the present embodiment, upper embedded mold core is inlaid in top mold holder, and lower embedded mold core is inlaid on lower mold holder, at other In embodiment, can only upper embedded mold core be inlaid in top mold holder or only lower embedded mold core is inlaid on lower mold holder, separately One mold core is fixed by screws on corresponding mould bases.

Claims (8)

1. a kind of mold of fast changeable mold core, including mold core and for the mould bases of mold core releasable connection, the mold core includes upper Mold core and lower mold core, the mould bases include top mold holder and lower mold holder, it is characterised in that: at least one mold core is to be embedded in respective mode Embedded mold core in the mounting groove being arranged on frame, the mold further include the bolt group for connecting the mould bases and embedded mold core Part, the bolt assembly include screw bolt and nut, and the bolt is threaded through the profile point for penetrating through the embedded mold core and mounting groove In the long hole of interface setting, the bolt is oriented to setting along long hole and having on guiding stroke keeps the screw bolt and nut complete It moves on mould bases and releases the disassembly position of the fixation to embedded mold core.

2. the mold of fast changeable mold core according to claim 1, it is characterised in that: on the mould bases equipped with the long hole Being equipped with backwards to the side of another mould bases supplies the head of the bolt to be embedded in and be oriented to the groove of cooperation.

3. the mold of fast changeable mold core according to claim 2, it is characterised in that: the mould bases includes backing plate and consolidates The mold core fixed plate being scheduled on backing plate, the groove are arranged on backing plate and run through backing plate outer ledge, the mold core fixed plate On one end of the separate mounting groove of aperture for passing through for bolt be cecum.

4. the mold of fast changeable mold core according to claim 3, it is characterised in that: be arranged in the mold core fixed plate There is the mold core mounting hole through the fixed plate thickness direction of mold core, the inner hole wall of the mold core mounting hole constitutes the slot of the mounting groove Wall constitutes the groove bottom of the mounting groove on the backing plate towards the side of mold core fixed plate.

5. the mold of described in any item fast changeable mold cores according to claim 1 ~ 4, it is characterised in that: the mold core includes Mold core body and the flange for being connected to mold core body bottom, a part of the long hole are located on flange.

6. the mold of fast changeable mold core according to claim 5, it is characterised in that: the mold core body, which is equipped with, to be used In the evacuation recess for avoiding the nut.

7. the mold of described in any item fast changeable mold cores according to claim 1 ~ 4, it is characterised in that: the long hole is equipped with At at least two.

8. the mold of described in any item fast changeable mold cores according to claim 1 ~ 4, it is characterised in that: the lower mold holder packet Lower template is included, the support plate for being used to support plate to be processed is fixedly installed in lower template, plate face and the mold core of support plate are fixed The either flush of plate.