CN207606195U - A kind of fixed heating metal die in side - Google Patents

Abstract

The utility model is related to industrial products forming fields, and in particular to a kind of fixed heating metal die in side.What the utility model was achieved by the following technical programs：A kind of fixed heating metal die in side, heating device including die ontology and for being heated for the die ontology, the side fixing device that can be slided in the horizontal direction and for being inserted into the die ontology side is installed on the heating device, the side fixing device includes to be used to be inserted into the extending portion of the die ontology for the operating shaft of operation, for heat-insulated thermal insulation block and positioned at the operation shaft end, and the extending portion includes to stretch into cone and be located at described stretch on cone to lock piece.The purpose of this utility model is to provide a kind of fixed heating metal die in side, it can realize package heated at constant temperature effect and realize the emphasis heating of local location, including side fixing device, from side lock fixed mold, increase the mold position stability under hot environment.

Description

A kind of fixed heating metal die in side

Technical field

The utility model is related to industrial products forming fields, and in particular to a kind of fixed heating metal die in side.

Background technology

Mold, in industrial production to be molded, be blow molded, squeeze out, die casting or the methods of forging forming, smelting, punching press obtain The various moulds and tool of required product.Mold is the tool for formed article, and this tool is made of various parts, different Mold be made of different parts.It mainly realizes adding for article shape by the change of physical state of the formed material Work.Blank is set to become the tool for the product for having specific shape and size under external force.Be widely used in punching, die forging, cold-heading, Squeeze, metallic sintered products compacting, compression moulding or the injection molding of products such as compression casting and engineering plastics, rubber, ceramics forming add In work.Mold has specific profile or cavity shape, blank can be made linear by profile using the contour shape with cutting edge Shape detaches, and blank can be made to obtain corresponding three-dimensional shape using cavity shape.

During carrying out molding to product using mold, generally require to heat mold, so that mold Has corresponding operating temperature.Existing mold heating is often made with the heating such as heating steam, heating water, high-temperature metal piece and is situated between Confrontation mold conducts heat, but either uses which kind of heat medium, all there is a problem of adjusting inconvenience.

On the one hand, mold body is precision instrument, to structural strength, rigidity, case hardness, surface roughness and processing essence Degree all has higher requirements.And frequent heating, cooling, heating, cooling cycle under, the leakproofness and intensity of mold body are all Certain image is had, forming quality is reduced.On the other hand, due to the complexity of product and diversity, during molding, Different product is different to the temperature requirement of heating, even same product, in the different location or same position of mold Different time, temperature requirement also have certain difference.This heating for allowing for mold needs intelligent, easy to control, adjusting just The advantage of profit, but heating device often all can not over time and space be adjusted flexibly heating temperature in the prior art.

Heating additionally, for mold is all often to use heat transfer medium, such as high-temp liquid or high-temperature gas, works as height When geothermal liquid or too fast high-temperature gas flow velocity, on the one hand, heat is just discharged there is no adequately interaction is carried out in time, heat It is not delivered to position, loss waste is serious.On the other hand, too fast flow velocity is possible to so that temperature rise is too fast in the short time, It has been more than assigned temperature, inconvenience is caused to heat control.

When each position of mold is heated, since formed product is closer to the top of mold, then for top Temperature control it is more sensitive.

It there is also an issue when mold heats, the heat medium such as high-temp liquid or high-temperature gas of high temperature will produce Certain vibrations, these vibrations can cause to jolt to mold, influence molding effect, can even make under conditions of some are extreme The product of generation becomes substandard products, then, increases the position stability of mold and the research side of mold design under high temperature environment To.

Utility model content

The purpose of this utility model is to provide a kind of fixed heating metal die in side, is used in terms of heating completely new Design, can realize package heated at constant temperature effect and realize the emphasis heating of local location, including side fixing device, From side lock fixed mold, increase the mold position stability under hot environment.

The above-mentioned technical purpose of the utility model technical scheme is that：A kind of fixed liter in side Warm metal die, including die ontology and the heating device for being heated for the die ontology, the heating device offer Accommodating chamber for accommodating the die ontology, the heating device include main part and in the main part both sides and perpendicular Two side extending portion that histogram upwardly extends have been respectively articulated with articulated slab one and articulated slab two, the hinge in two side extending portion Fishplate bar one and the articulated slab, which may be reversed, covers in the accommodating chamber；Include heated at constant temperature portion on the main part, it is described Main heating plate import and secondary duct import are offered in heated at constant temperature portion；The articulated slab two is equipped with point heating device.This kind Heat controllable metal mold also includes the switch disc for controlling the secondary duct import folding condition, the switch disc packet Containing the lower pressure pipe extended in vertical direction, the linkage tube being connect with the lower pressure pipe and multiple it is commonly connected to the linkage tube On for being inserted into the disc of the secondary duct import, the disc includes preceding retention piece and retains piece afterwards.The heating device On be equipped with and can slide in the horizontal direction and for being inserted into the side fixing device of the die ontology side, the side is fixed Device includes for the operating shaft of operation, for heat-insulated thermal insulation block and positioned at the operation shaft end for being inserted into the mold The extending portion of ontology, the extending portion include to stretch into cone and be located at described stretch on cone to lock piece.

As the preferred of the utility model, cooling block is additionally provided in the operating shaft, the cooling block includes for storing The storage block of cooling water and connect with the storage block and be used to cooling water being oriented to the cooling tube of the operating shaft.

As the preferred of the utility model, the heating tube is equipped with the speed limit valve for automatically controlling flow velocity, described Speed limit valve include be bonded the heating inside pipe wall enter pipe portion and multiple arrays annular in shape be connected to it is described enter pipe portion on it is more A valve piece, the multiple valve piece be collectively formed for heat medium by by mouth, the valve piece is obliquely installed, by remote From it is described enter pipe portion gradually to it is described enter pipe portion central axes direction draw close.

As the preferred of the utility model, the valve on piece, which is equipped with, changes broken line.

In production and processing, the die ontology is put into the accommodating chamber, and entire heating device is in concavity, the receiving Chamber can be located at middle part position against the top.The accommodating chamber lower part is the main part, and both sides are side extending portion, two sides Extending portion is respectively articulated with the articulated slab one and the articulated slab two.The articulated slab one can be common cover board, play close Envelope acts on, and the articulated slab is second different, which is provided with described heating device.Both of which variation may be present here, When needing common heating, then by the articulated slab one overturn and under, and need reinforce heating when, then the articulated slab two is turned over Under.

In the accommodating chamber lower position, it is equipped with the heated at constant temperature portion.The heated at constant temperature portion and the point heating dress Set difference, the latter is heated as auxiliary, and is the local location to the die ontology, such as upper surface carries out targetedly Heating.And the former is to carry out whole heating to the entire die ontology, and temperature will not change too much substantially, main needle To four sides of the die ontology and bottom surface.

Include the secondary duct import and the main heating plate import among this, the main heating plate import is rectangle Shape is commonly inserted large-scale heating plate, is main heat medium.And the secondary duct import is round, can be inserted into heating tube, Heating tube is by the way of water cooling or air cooling, as secondary heat medium.

For the switch disc, the secondary duct import can also can be inserted into pipeline, pipe directly by heat medium Pass through heat medium in road.No matter which kind of implements form, and pipeline or the secondary duct import, which all exist, supplies the disc By gap.When needing heat medium, such as high-temp liquid, less soon by the entire heating device when, user can be with It controls the lower pressure pipe to push, drives the preceding retention piece and the rear retention piece to push, to shelter from the stream of high-temp liquid It is dynamic so that high-temp liquid is detained specified time, fully completes heat interaction.

In addition, different from the switch delay effect of disc, the effect of the speed limit valve is automatic speed-limiting.When described Go out the heat medium in heat pipe, such as when high-temperature gas or too fast high-temp liquid flowing, the valve piece will be driven to carry out Overturning.In normal state, multiple valve pieces complement each other to form larger by mouth bore.When the valve piece is overturn When, the bore by mouth just tapers into, and is even switched off, and has the function that limited flow rate.

And the effect of the side fixing device mentioned above is user pushes the operating shaft in the horizontal direction, is made It obtaining the extending portion and is inserted into the die ontology, the die ontology can offer the fixing groove entered for the extending portion, into After entering, operating shaft described in user's operation rotates, and the piece of locking is locked in the fixing groove, completes to the die ontology Side fix.

The thermal insulation block can be used temperature insulating material and be made, and the cooling block further decreases the temperature in the operating shaft, Cooling water is placed in the storage block, and is oriented in the operating shaft by the cold central siphon.

As the preferred of the utility model, described heating device includes that arc-shaped evagination is arranged on the articulated slab two Arc rib seat and multiple heating tubes being rotatably connected on the arc rib seat.

As the preferred of the utility model, the extending direction phase of the rotation direction of the heating tube and the arc rib seat Together.

User can adjust the extension angle of the heating tube, generally spray high-temperature steam in the heating tube, to adjust Save the injection direction of steam.The rotation direction of the heating tube is identical as the extending direction of arc rib seat.In general, for institute State the length direction of die ontology.

As the preferred of the utility model, the secondary duct import is multiple, and multiple secondary duct imports are located at same On horizontal plane, and the main heating plate import is closer to the accommodating chamber.

The main heating plate import is as main heat transfer component, and temperature is high, and diffusivity is strong, so being placed on from the receiving The position of chamber slightly a little further, on the one hand, the secondary duct import for being is closer to the accommodating chamber, and heat transfer is good, separately On the one hand, it avoids the main temperature of heating plate excessively high, harmful effect is generated to whole heat control.

As the preferred of the utility model, the conflict of the extended and die ontology lateral wall is equipped in the side extending portion Side heating device, the stretching direction of the side heating device is horizontal direction, and with it is described go out the rotation direction of heat pipe it is vertical.

As the preferred of the utility model, the side heating device includes the sliding groove being located in the side extending portion, in institute State the adjustable column slided in sliding groove and multiple side heating plates being commonly connected on the adjustable column.

As the preferred of the utility model, the side heating plate includes the interconnecting piece being connect with the adjustable column and is connected to The diffusion contacts of the interconnecting piece end, the diffusion contacts gradually increase by far from interconnecting piece direction cross-sectional area Greatly.

In actual use, the heating of the die ontology due to product and technique difference, to heating effect and heating Also there is different personalized requirements in region.The heated at constant temperature portion mentioned above is mainly in the whole of the die ontology Body, especially bottom surface.And described heating device is mainly in the top surface of the die ontology.And referring herein to the side Heating device is mainly in the side of the die ontology.The side heating device is at least one, one installed therein In the extending portion of side, or two, be respectively provided in two side extending portion.The side heating device can move, to come Adjust whether the side heating plate contradicts with the die ontology.

Specifically, when needing reinforce heating to the die ontology side, adjustable column described in user's operation It is slided on the sliding groove, so that the side heating plate is close to the die ontology.The effect of the diffusion contacts On the one hand it is to increase forced area, prevents from after a protracted use the outer surface of the die ontology being caused to damage, it is another Aspect is to increase contact area, promotes the effect that heat is transmitted.

In conclusion the utility model has the advantages that：

1, entire die ontology is heated by heated at constant temperature portion, when needing to cool down by a small margin, only needs handle Other heating elements are closed, and are cooled down to entire mold without using cooling system, are avoided mold and are frequently heated up cooling Process.

2, both sides, which are respectively articulated with common cover and band, the cover board of a heating device, to have to the upper surface of die ontology Different heating effects.

3, the side heating device in horizontal side direction can be displaced sideways, to come switch whether with the mold sheet Body contacts.

4, the switch disc effectively can carry out retention delay to heat medium, extend the heat interaction time.

5, the speed limit valve can automatically to by heat medium carry out speed limit, avoid temperature rise too fast, increase temperature Spend controllability.

6, side fixing device can laterally secure die ontology, increase the stability during formed product.

Description of the drawings

Fig. 1 is the schematic diagram of embodiment 1；

Fig. 2 is the detail enlarged diagram at Figure 1A；

Fig. 3 is the schematic diagram for switching disc；

Fig. 4 is the schematic diagram of speed limit valve；

Fig. 5 is the schematic diagram of side fixing device.

In figure：

1, die ontology, 2, heating device, 21, accommodating chamber, 22, heated at constant temperature portion, 23, main heating plate import, 24, looped pipeline Road import, 25, articulated slab one, 26, articulated slab two, 27, point heating device, 271, arc rib seat, 272, go out heat pipe, 28, main body Portion, 29, side extending portion, 3, side heating device, 31, sliding groove, 32, adjustable column, 33, side heating plate, 331, interconnecting piece, 332, diffusion Contact site, 5, speed limit valve, 51, enter pipe portion, 52, valve piece, 521, draw broken line, 53, by mouth, 54, switch disc, 541, under Pressure pipe, 542, linkage tube, 543, preceding retention piece, 544, retain piece afterwards, 6, side fixing device, 61, operating shaft, 62, cooling block, 621, it stores in a warehouse block, 622, cold central siphon, 63, extending portion, 631, stretch into cone, 632, lock piece, 64, thermal insulation block.

Specific implementation mode

The utility model is described in further detail below in conjunction with attached drawing.

This specific embodiment is only the explanation to the utility model, is not limitations of the present invention, ability Field technique personnel can as needed make the present embodiment the modification of not creative contribution after reading this specification, but As long as all being protected by Patent Law in the right of the utility model.

Embodiment 1, as depicted in figs. 1 and 2：A kind of fixed heating metal die in side, including die ontology 1 and be used for For the heating device 2 that die ontology 1 heats, heating device 2 offers the accommodating chamber 21 for accommodating die ontology 1, heating dress It includes main part 28 and in 28 both sides of main part and two side extending portion 29 extending in vertical direction, two side extending portion to set 2 Articulated slab 1 and articulated slab 2 26 are respectively articulated on 29, articulated slab 1 and articulated slab 2 26, which may be reversed, covers in receiving Chamber 21；Include heated at constant temperature portion 22 on main part 28, main heating plate import 23 and secondary duct are offered in heated at constant temperature portion 22 Import 24；Articulated slab 2 26 is equipped with point heating device 27.

In production and processing, die ontology 1 is put into accommodating chamber 21, and entire heating device 2 is in concavity, and accommodating chamber 21 can position In middle part position against the top.21 lower part of accommodating chamber is main part 28, and both sides are side extending portion 29, and two side extending portion 29 are cut with scissors respectively Then articulated slab 1 and articulated slab 2 26.Articulated slab 1 can be common cover board, play sealing function, and articulated slab two 26 differences, which is provided with a heating device 27.Both of which variation may be present here, that is, when needing common heating, then will Articulated slab 1 overturn and under, and need reinforce heating when, then articulated slab 2 26 is turned down.

In 21 lower position of accommodating chamber, it is equipped with heated at constant temperature portion 22.Heated at constant temperature portion 22 is different from point heating device 27, after Person is heated as auxiliary, and is the local location to die ontology 1, such as upper surface is targetedly heated.And the former It is whole heating to be carried out to entire die ontology 1, and temperature will not change too much substantially, mainly for die ontology 1 Four sides and bottom surface.

Include secondary duct import 24 and main heating plate import 23 among this, main heating plate import 23 be it is rectangular-shaped, generally It is inserted into large-scale heating plate, is main heat medium.And secondary duct import is round, can be inserted into heating tube, heating tube uses Water cooling or the mode of air cooling, as secondary heat medium.

Point heating device 27 includes that the arc rib seat 271 that arc-shaped evagination is arranged on articulated slab 2 26 and multiple rotations connect The heating tube 272 being connected on arc rib seat 271.The rotation direction of heating tube 272 is identical as the extending direction of arc rib seat 271.

User can adjust the extension angle of heating tube 272, generally spray high-temperature steam in heating tube 272, to adjust The injection direction of steam.The rotation direction of heating tube 272 is identical as the extending direction of arc rib seat 271.In general, being mold sheet The length direction of body 1.

Secondary duct import 24 is multiple, and multiple secondary duct imports 24 are located in same level, and more main heating plate import 23 closer to accommodating chamber 21.Main heating plate import 23 is used as main heat transfer component, and temperature is high, and diffusivity is strong, thus be placed on from The position of accommodating chamber 21 slightly a little further, on the one hand, the secondary duct import 24 for being is closer to accommodating chamber, and heat transfer is good, separately On the one hand, it avoids 23 temperature of main heating plate excessively high, harmful effect is generated to whole heat control.

The extended side heating device 3 contradicted with 1 lateral wall of die ontology, side heating device 3 are equipped in side extending portion 29 Stretching direction be horizontal direction, and it is vertical with the rotation direction of heating tube 272.

Side heating device 3 includes the sliding groove 31 being located in side extending portion 29,32 and of adjustable column slided in sliding groove 31 Multiple side heating plates 33 being commonly connected on adjustable column 32.Side heating plate 33 includes the interconnecting piece 331 being connect with adjustable column 32 With the diffusion contacts 332 for being connected to 331 end of interconnecting piece, diffusion contacts 332 are pressed far from 331 direction cross-sectional area of interconnecting piece Gradually increase.

In actual use, the heating of die ontology 1 due to product and technique difference, to heating effect and heating region Also there is different personalized requirements.Heated at constant temperature portion 22 mentioned above is mainly in the entirety of die ontology 1, especially Bottom surface.And heating device 27 is put mainly in the top surface of die ontology 1.And referring herein to side heating device 3 mainly for In the side of die ontology 1.Side heating device 3 is at least one, in a side extending portion 9 installed therein, or and two, It is respectively provided in two side extending portion 9.Side heating device 3 can move, to come adjust side heating plate 33 whether with die ontology 1 It contradicts.

Specifically, when needing reinforce heating to 1 side of die ontology, user's operation adjustable column 32 is sliding It is slided on slot 31, so that side heating plate 33 is close to die ontology 1.The effects of diffusion contacts 332 be on the one hand increase by Power area prevents from causing to damage to the outer surface of die ontology 1 after a protracted use, is on the other hand to increase contact surface Product promotes the effect that heat is transmitted.

As shown in figure 3, this kind of heat controllable metal mold also includes for controlling opening for 24 folding condition of secondary duct import Disc 54 is closed, switch disc 54 includes the lower pressure pipe 541 extended in vertical direction, the linkage tube 542 being connect with lower pressure pipe 541 With multiple discs for being inserted into secondary duct import 24 being commonly connected in linkage tube 542, disc includes preceding 543 He of retention piece Piece 544 is retained afterwards.

For switching disc 54, secondary duct import 24 can also can be inserted into pipeline, in pipeline directly by heat medium Pass through heat medium.No matter which kind of specific implementation form, pipeline or secondary duct import 24 all exist for disc by gap. When needing heat medium, such as high-temp liquid, less soon by entire heating device 2 when, user can control under lower pressure pipe 541 Pressure, retention piece 543 and rear retention piece 544 push before driving, to shelter from the flowing of high-temp liquid so that high-temp liquid is detained Specified time fully completes heat interaction.

As shown in figure 4, heating tube 272 is equipped with the speed limit valve 5 for automatically controlling flow velocity, speed limit valve 5 includes patch Close 272 inner wall of heating tube enter pipe portion 51 and multiple arrays annular in shape are connected to multiple valve pieces 52 in pipe portion 51, it is multiple Valve piece 52 be collectively formed for heat medium by by mouth 53, valve piece 52 is obliquely installed, by gradual far from pipe portion 51 is entered It is drawn close to 51 central axes direction of pipe portion is entered.

Different from the switch delay effect of disc 54, the effect of speed limit valve 5 is automatic speed-limiting.When going out in heat pipe 272 Heat medium, such as when high-temperature gas or too fast high-temp liquid flowing, valve piece 52 will be driven to be overturn.In normal shape Under state, multiple valve pieces 52 complement each other to form larger by 53 bore of mouth.When valve piece 52 is overturn, pass through the mouth of mouth 52 Diameter just tapers into, and is even switched off, and has the function that limited flow rate.

Valve piece 52, which is equipped with, changes broken line 521.Draw the part overturning that broken line 521 is conducive to valve piece 52.It is sensitive to increase overturning Property.

As shown in figure 5, being equipped on heating device 2 can slide and in the horizontal direction for being inserted into 1 side of die ontology Side fixing device 6, side fixing device 6 include for the operating shaft 61 of operation, for heat-insulated thermal insulation block 64 and positioned at behaviour Make extending portion 63 of 61 end of axis for being inserted into die ontology 1, extending portion 63 includes to stretch into cone 631 and be located to stretch on cone 631 Lock piece 632.Cooling block 62 is additionally provided in operating shaft 61, cooling block 62 includes 621 He of storage block for storing cooling water The cooling tube 622 of operating shaft 61 is connect and is used to cooling water being oriented to storage block 621.

The effect of side fixing device 6 is that user pushes operating shaft 61 in the horizontal direction so that mould is inserted into extending portion 63 Having ontology 1, die ontology 1 can offer the fixing groove entered for extending portion 63, and after, user's operation operating shaft 61 rotates, Piece 632 will be locked to lock in fixing groove, the side of die ontology 1 is fixed in completion.

Thermal insulation block 64 can be used temperature insulating material and be made, and cooling block 62 further decreases the temperature in operating shaft 61, cooling water It is placed in storage block 621, and be oriented in operating shaft 61 by cold central siphon 622.

Claims (9)

1. a kind of fixed heating metal die in side, including die ontology（1）With for for the die ontology（1）Heating Heating device（2）, it is characterised in that：The heating device（2）It offers for accommodating the die ontology（1）Accommodating chamber （21）, the heating device（2）It include main part（28）With in the main part（28）It both sides and extends in vertical direction Two side extending portion（29）, two side extending portion（29）On be respectively articulated with articulated slab one（25）With articulated slab two（26）, institute State articulated slab one（25）With the articulated slab two（26）It may be reversed and cover in the accommodating chamber（21）；The main part（28）On It include heated at constant temperature portion（22）, the heated at constant temperature portion（22）On offer main heating plate import（23）With secondary duct import （24）；The articulated slab two（26）It is equipped with point heating device（27）, described heating device（27）Including arc-shaped outer projection It sets in the articulated slab two（26）On arc rib seat（271）It is rotatably connected on the arc rib seat with multiple（271）On plus Heat pipe（272）;This kind of metal die also includes the switch disc (54) for controlling secondary duct import (24) folding condition, The switch disc（54）Including the lower pressure pipe extended in vertical direction（541）And the lower pressure pipe（541）The linkage of connection Pipe（542）It is commonly connected to the linkage tube with multiple（542）On for being inserted into the secondary duct import（24）Disc, institute It includes preceding retention piece to state disc（543）With rear retention piece（544）;The heating device（2）On be equipped with and can slide in the horizontal direction It moves and for being inserted into the die ontology（1）The side fixing device of side（6）, the side fixing device（6）Including for The operating shaft of operation（61）, for heat-insulated thermal insulation block（64）With positioned at the operating shaft（61）End is for being inserted into the mold Ontology（1）Extending portion（63）, the extending portion（63）Including stretching into cone（631）Described cone is stretched into being located at（631）On it is anti- Locking plate（632）.

2. the fixed heating metal die in a kind of side according to claim 1, it is characterised in that：The operating shaft（61） On be additionally provided with cooling block（62）, the cooling block（62）Including the storage block for storing cooling water（621）With with the storage Block（621）It connects and for cooling water to be oriented to the operating shaft（61）Cooling tube（622）.

3. the fixed heating metal die in a kind of side according to claim 1, it is characterised in that：The heating tube （272）It is equipped with the speed limit valve for automatically controlling flow velocity（5）, the speed limit valve（5）Including the fitting heating tube （272）Inner wall enters pipe portion（51）With multiple arrays annular in shape be connected to it is described enter pipe portion（51）On multiple valve pieces（52）, The multiple valve piece（52）Be collectively formed for heat medium by pass through mouth（53）, the valve piece（52）It is obliquely installed, By far from it is described enter pipe portion（51）Gradually to it is described enter pipe portion（51）Central axes direction is drawn close.

4. the fixed heating metal die in a kind of side according to claim 3, it is characterised in that：The valve piece（52） It is equipped with and changes broken line（521）.

5. the fixed heating metal die in a kind of side according to claim 1, it is characterised in that：The heating tube （272）Rotation direction and the arc rib seat（271）Extending direction it is identical.

6. the fixed heating metal die in a kind of side according to claim 1, it is characterised in that：The secondary duct import （24）To be multiple, multiple secondary duct imports（24）In same level, and the main heating plate import（23）More Close to the accommodating chamber（21）.

7. the fixed heating metal die in a kind of side according to claim 5, it is characterised in that：In the side extending portion （29）It is equipped with and the die ontology（1）The side heating device that lateral wall contradicts（3）, the side heating device can be relatively described Side extending portion（29）Stretch out, stretchings direction be horizontal direction, and with the heating tube（272）Rotation direction it is vertical.

8. the fixed heating metal die in a kind of side according to claim 7, it is characterised in that：The side heating device （3）Including being located at the side extending portion（29）On sliding groove（31）, in the sliding groove（31）The adjustable column of middle sliding（32）With It is multiple to be commonly connected to the adjustable column（32）On side heating plate（33）.

9. the fixed heating metal die in a kind of side according to claim 8, it is characterised in that：The side heating plate （33）Including with the adjustable column（32）The interconnecting piece of connection（331）Be connected to the interconnecting piece（331）The diffusion of end connects Contact portion（332）, the diffusion contacts（332）By far from the interconnecting piece（331）Direction cross-sectional area gradually increases.