CN205766750U - Flue mould - Google Patents

Abstract

This utility model provides a kind of flue mould, relates to the pre-formed technical field of mold of Architectural Equipment, and described flue mould includes that external mold and core, described core are inserted in described external mold, and described core includes core frame and core lid；Described core frame includes that base plate and two side plates, described base plate and two described side plates are strip plate, and a long limit of each described side plate is respectively and fixedly connected on the long side of described base plate both sides；Described core lid is arranged at the upper open end that described core frame is relative with described base plate, and described core lid fills with described core frame lid, and described core lid is completely covered the described upper open end of described core frame.The flue mould of the application, solves in prior art that prefabricated flue mould is when joints cement, and cement is easily accessible mould inside technical problem.

Description

Flue mould

Technical field

This utility model relates to the pre-formed technical field of mold of Architectural Equipment, especially relates to a kind of flue mould.

Background technology

Flue is used in interior of building, opens and ventilates and the effect of smoke evacuation.Owing to interior of building air draft smoke evacuation the most freely can Badly influence the healthy of indoor occupant, especially when some urgent emergency situations such as breaking out of fire, gas leak, cigarette The air draft obstructed meeting of smoke evacuation in road directly jeopardizes the life security of personnel within doors.

House in the past generally by useless cigarette and waste gas by the flexible pipe of oil pumper is through walls or window the most externally discharges, oil pumping What the flexible pipe of machine was usually opened from window passes in the friction tight hole of hose diameter.And the most intensive resident In house, such discharge method not only can affect other people interests, also can aggravate environmental pollution.Especially with skyscraper Increase, above-mentioned aerofluxus smoke exhaust pipe belongs to the plug-in object in high-altitude, is not allowed in a lot of cities.

At present during major part Residence Design flue, mainly place it in kitchen and the toilet without direct lighting and ventilation. Again new industry standard " house kitchen, toilet exhaust passage " JG/T194-2006 has been issued the Ministry of Construction in 2006, clearly, Detailed specification the body perpendicular acting load of flue, i.e. the body vertical bearing capacity of flue goods are not less than 90KN, to pipe Body wall thickness 12-15mm has explicit data.Manufacture the flue reaching above-mentioned standard, need by particular manufacturing craft processing and manufacturing.

The cross sectional shape of existing flue mainly has three kinds, and respectively outline is square, and endoporus is square；The outline side of being Shape, endoporus is circular；Outline is square, and endoporus is octagon.The mode of production of existing exhaust duct is broadly divided into two classes, and one Being to make by hand, two is that mould is pre-formed.Owing to home built production efficiency is low, unstable product quality, the most just by Step is replaced by the production method of Making mold.

Existing relatively common prefabricated thin-wall flue mould includes external mold and core.External mold be one end open, in The heart takes out the cuboid of shell, and its length is more than flue length to be manufactured；Interior mould be cross sectional shape be octagonal prism, it is long Degree is more than flue length to be made, simultaneously less than the length of external mold.Interior mould is placed in the die cavity of external mold, and its two ends are at external mold In by end frame support.Being shaped as of external moldShape structure, is made up of the limit mould structure of bed die and both sides, the limit mould of both sides with Bed die connects.Core generally two parts with up and down form, and wherein, upper core is framed isShape, lower core mould Frame isShape, every part all comprises a whole set of core frame draw off gear.

But, in above-mentioned existing mold, the structure of flue core is that upper and lower core fastening forms, and it fastens puts at middle part, And when removing core after flue molding, by driving upper core frame draw off gear, first upper core both sides are drawn in so that it is sliding Enter in the cavity of lower core, thus take out upper core；Draw lower core in by lower core frame draw off gear again, thus take out lower core Mould.When using Making mold flue, cement pours from the top of core, so that while above-mentioned form removal technique is capable of Cement also will not be made to flow into, and the sidewall at upper core is provided with interior splay end limit, and interior splay end limit is arranged on core and lower core Junction.In order to realize first taking out upper core, further taking out lower core, upper core allows for first slipping in lower core.Realize Upper core can slip into lower core smoothly, and the interior splay end limit of upper core to be designed to into obtuse angle relative to its sidewall.Core up and down Both sides, be accomplished by folding and unfolding once owing to often making a flue, and core frame mostly be metal material, long time loading or many During secondary tired bending, after unloading, typically can produce certain residual deformation.Above-mentioned obtuse angle arrange interior splay end limit be easily caused from Top cement injection time, cement infilters the inside of core from the gap of upper and lower core, causes the damage of core.

Based on this, this utility model provides a kind of flue mould to solve above-mentioned technical problem.

Utility model content

The purpose of this utility model is to provide a kind of flue mould, to solve present in prior art owing to mould is tied Structure is unreasonable causes cement to be easily accessible mould inside technical problem.Solve prefabricated flue mould in prior art and pour water During mud, cement is easily accessible mould inside technical problem.

The flue mould that this utility model provides, including external mold and core, described core is inserted in described external mold, institute State core and include core frame and core lid；

Described core frame includes that base plate and two side plates, described base plate and two described side plates are strip plate, Mei Gesuo The long limit stating side plate is respectively and fixedly connected on the long side of described base plate both sides；

Described core lid is arranged at the upper open end that described core frame is relative with described base plate, described core lid and described core Framed lid dress, described core lid is completely covered the described upper open end of described core frame.

Optionally, described core lid is elongated plates, two long sides at described core lid be respectively and fixedly connected with two to The upper cover flanging of lower bending, described upper cover flanging abuts with described core frame.

Optionally, the side relative with described base plate of two described side plates is all connected with side plate flanging, described in two Side plate flanging is arranged in parallel with two described upper cover flangings and mutually abuts respectively.

Optionally, when described upper cover flanging and described side plate flanging abut, the width that both overlap is rolled over less than described upper cover The half of hem width degree.

Optionally, described core lid inwall is provided with reinforcement.

Optionally, described core also includes that core draw off gear, described core draw off gear are fixed in described core frame Portion, described core draw off gear is for increasing and reduce the distance between two described side plates.

Optionally, described core draw off gear is arranged near described core lid.

Optionally, described core draw off gear includes that feeder assembly and link assembly, described feeder assembly one end are fixed in The inwall of described core frame side plate, the other end is rotationally connected with described link assembly.

Optionally, described external mold includes bed die, two external mold sidewalls, end frame, external mold closure and running wheel；

Described bed die is flat board, and two described external mold sidewalls are arranged in parallel, and two described external mold sidewalls are all vertically connected on The surface, the same side of described bed die；

Described end frame is rectangle frame, is arranged between described external mold and described core, wherein three outsides of described end frame The inwall of frame external mold sidewall described with described bed die and two respectively is affixed, and described core is inserted in described end frame；

Described external mold closure includes drag link and pull bar connector, and one end of described drag link is provided with locating part, separately One end is provided with external screw thread, and described drag link is inserted into one of them described external mold sidewall one end away from described bed die, described Locating part is connected to the outer wall of one of them described external mold sidewall, and described pull bar connector is fixed in another described external mold sidewall Away from one end of described bed die, described pull bar connector includes female thread, described drag link and described pull bar connector and is spirally connected；

The opposite side surface configuration of described bed die has running wheel.

Optionally, between two described external mold sidewalls, be provided with at least one dividing plate, all described dividing plates all with arbitrary institute State external mold sidewall to be arranged in parallel.

The described flue mould that this utility model provides, including external mold and core, core is inserted into inside external mold.Flue mould Having during making flue the state kept flat that is in, when the most normally using, the sidewall of flue is parallel to the ground, therefore external mold A limit longer with core and ground conllinear.Core includes core frame and core lid.Core frame includes base plate and two side plates, Two side plates are vertically fixed in two long limits of base plate, and it is U-shaped region that biside plate and base plate define a cross section.Thus, The two ends of core and above be respectively formed opening, wherein, the opening at two ends be operation core folding and unfolding provide space, opening of top Mouth coordinates with core lid.

Core lid lid is contained in above core frame, and core lid is completely covered core frame, the i.e. projected area of core lid and is more than Area in core frame upper opening.During using flue Mold Making flue, first external mold and core are combined, core Being inserted in external mold, external mold is sealed by closure, then begins to pour.Flue mould provided herein, when pouring, by Above core frame, completely covers core lid, be may not flow into inside core frame by pouring the cement got off above core, thus It can be avoided that cement infiltration mould inside, other structures within mold damage, but also it can be avoided that at the spue line of mould Clog or retain cement.

Based on this, this utility model, than original technology, has the advantage that cement is not easily penetrated into mould inside.

Accompanying drawing explanation

In order to be illustrated more clearly that this utility model detailed description of the invention or technical scheme of the prior art, below by right In detailed description of the invention or description of the prior art, the required accompanying drawing used is briefly described, it should be apparent that, describe below In accompanying drawing be embodiments more of the present utility model, for those of ordinary skill in the art, do not paying creativeness On the premise of work, it is also possible to obtain other accompanying drawing according to these accompanying drawings.

The perspective view of the flue mould that Fig. 1 provides for this utility model embodiment；

Fig. 2 is the perspective view of the core of the flue mould shown in Fig. 1；

Fig. 3 is the front view of the core lid of the flue mould shown in Fig. 1；

Fig. 4 is the perspective view of the core frame of the flue mould shown in Fig. 1；

Fig. 5 is the perspective view of the external mold of the flue mould shown in Fig. 1；

The front view of the flue mould that Fig. 6 provides for this utility model embodiment two.

Reference:

1-external mold；2-core；3-core frame；

4-core lid；5-side plate；6-core draw off gear；

7-upper cover flanging；8-side plate flanging；9-reinforcement；

10-dividing plate.

Detailed description of the invention

Below in conjunction with accompanying drawing, the technical solution of the utility model is clearly and completely described, it is clear that described Embodiment is a part of embodiment of this utility model rather than whole embodiments.Based on the embodiment in this utility model, this The every other embodiment that field those of ordinary skill is obtained under not making creative work premise, broadly falls into this practicality Novel protected scope.

In description of the present utility model, " " center ", " on ", D score, "left", "right", " perpendicular it should be noted that term Directly ", " level ", " interior ", the orientation of the instruction such as " outward " or position relationship be based on orientation shown in the drawings or position relationship, be only Must have specific for the ease of describing this utility model and simplification description rather than instruction or the device of hint indication or element Orientation, with specific azimuth configuration and operation, therefore it is not intended that to restriction of the present utility model.Additionally, term " the One ", " second ", " the 3rd " are only used for describing purpose, and it is not intended that instruction or hint relative importance.

In description of the present utility model, it should be noted that unless otherwise clearly defined and limited, term " peace Dress ", should be interpreted broadly " being connected ", " connection ", for example, it may be fix connection, it is also possible to be to removably connect, or integratedly Connect；Can be to be mechanically connected, it is also possible to be electrical connection；Can be to be joined directly together, it is also possible to be indirectly connected to by intermediary, It can be the connection of two element internals.For the ordinary skill in the art, above-mentioned art can be understood with concrete condition Language concrete meaning in this utility model.

Embodiment one

As depicted in figs. 1 and 2, providing a kind of flue mould in the present embodiment, described flue mould includes external mold 1 He Core 2, described core 2 is inserted in described external mold 1, and described core 2 includes core frame 3 and core lid 4；

Described core frame 3 includes that base plate and two side plates 5, described base plate and two described side plates 5 are strip plate, each One long limit of described side plate 5 is respectively and fixedly connected on the long side of described base plate both sides；

Described core lid 4 is arranged at the upper open end that described core frame 3 is relative with described base plate, described core lid 4 and institute Stating core frame 3 lid dress, described core lid 4 is completely covered the described upper open end of described core frame 3.

The described flue mould that this utility model provides, including external mold 1 and core 2, during use, core 2 is inserted into external mold 1 In.Flue mould is for making the general flue in house, and it is mainly used in kitchen and toilet.Flue is band air vent Cylinder, its outer cross section mostly is rectangle, and inner hole section is rectangle, the surrounding rectangle containing chamfering and circle, ellipse.Flue mould External mold 1 be mainly used in the molding in the outer cross section of flue, core 2 is mainly used in the molding in cross section in flue, therefore, its external mold 1 Shape mostly is the four prisms cylinder kept flat, and the shape of core 2 is slightly distinguished according to the shape of flue endoporus.

Flue mould provided herein, point mould part of external mold 1 in side, point mould part of core 2 be not The centre position of core 2, but on the top of core 2, specifically, core 2 includes core frame 3 and core lid 4.Core frame 3 Including base plate and two side plates 5, two side plates 5 are vertically fixed in two long limits of base plate, and biside plate 5 and base plate define one Cross section is U-shaped region.Thus, the two ends of core 2 and above be respectively formed opening, wherein, the opening at two ends for operation core Mould 2 folding and unfolding provides space, and the opening of top coordinates with core lid 4.

Core lid 4 lid is contained in above core frame 3, and it is big that core lid 4 is completely covered core frame 3, the i.e. projected area of core lid 4 In the area equal to core frame 3 upper opening.During using flue Mold Making flue, first by external mold 1 and core 2 groups Closing, core 2 is inserted in external mold 1, and external mold 1 is sealed by closure, then begins to pour.When pouring, above core frame 3 Completely covers core lid 4, be may not flow into core frame 3 inside by pouring the cement got off above core 2 such that it is able to avoid water Mud penetrates into mould inside, other structures within mold damage, but also it can be avoided that clogs at the spue line of mould or deposit Stay cement.

After flue molding, remove the external mold 1 connection by operation external mold 1 sidewall with bed die, remove core 2 by operation Core draw off gear 6.Core draw off gear 6 is arranged within core 2, typically in core frame 3.This utility model provides Described flue mould, compared with prior art, only comprises a core frame 3, the most only needs to arrange a set of core 2 radio and tape player Structure, not only avoid the phenomenon that cement when pouring caused owing to comprising upper and lower core 2 easily infiltrates into, but also decreases one Set core 2 jack, thus simplify the structure of core 2, decrease operation during form removal, improve the production effect of flue Rate.

Based on this, this utility model than original technology, point mould position of core 2 near the seamed edge of end face, core 2 Including core lid 4 and core frame 3, core lid 4 lid dress is also completely covered on core frame 3 top, has when pouring and prevent cement from oozing The advantage entered.In addition, it is only necessary to a set of core draw off gear 6 is set, simplify technique during form removal, improve the production effect of flue Rate.

As it is shown on figure 3, in the alternative of the present embodiment, described core lid 4 is elongated plates, at described core lid 4 Two long sides are respectively and fixedly connected with the upper cover flanging 7 of two downward bendings, and described upper cover flanging 7 abuts with described core frame 3.

Flue mould provided herein, it is preferred that while the length of core lid 4 is reduced, arrange at its two ends Upper cover flanging 7 so that when core lid 4 lid is contained on core frame 3, the two ends of core lid 4 still are able to cover all core frame 3, Upper cover flanging 7 is the reclinate flangings in two ends.Upper cover flanging 7 is not only easier to location when fastening core lid 4, but also enters One step is the cement water conservancy diversion poured.On core frame 3 during joints cement, the design of upper cover flanging 7 makes cement prolong to be turned under Bent flanging flows directly to the sidewall of core frame 3, without entering in core frame 3 from the junction of core frame 3 with core lid 4 Portion.

As shown in Figure 4, in the alternative of the present embodiment, on the side relative with described base plate of two described side plates 5 All being connected with side plate flanging 8, two described side plate flangings 8 are arranged in parallel with two described upper cover flangings 7 and mutually support respectively Connect.

Flue mould provided herein, it is preferred that on the side relative with base plate of two side plates 5, i.e. with setting The position of the core lid 4 lid dress of upper cover flanging 7, is all connected with side plate flanging 8.Side plate flanging 8 cloth parallel with upper cover flanging 7 Put so that when core frame 3 and core lid 4 lid dress, two flangings are almost capable of seamless cooperation.

As in figure 2 it is shown, in the alternative of the present embodiment, when described upper cover flanging 7 and described side plate flanging 8 abut, two The width that person overlaps is less than the half of described upper cover flanging 7 width.

Flue mould provided herein, it is preferred that when upper cover flanging 7 and side plate flanging 8 abut, the width that both overlap Degree is less than the half of described upper cover flanging 7 width.Described size can not only ensure that cement does not penetrate into core frame 3 inside, and The dismounting of the most non-core 2 provides enough spaces so that after flue is made, more efficient during dismounting core 2, faster.

As it is shown on figure 3, in the alternative of the present embodiment, described core lid 4 inwall is provided with reinforcement 9.

Flue mould provided herein is for producing the flue of general house, and core 2 and core lid 4 are according to flue The area manufacture of side, the therefore the biggest flat board of core lid 4, be very easy to produce flexural deformation.The bending of core lid 4 Insufficient rigidity, can cause its seam crossing with core frame 3 in the moment of joints cement, owing to cement flow velocity is fast and instantaneous delivery Greatly, cause core lid 4 plate face to bend, cause core lid 4 and core frame 3 to there will be gap.Thus arrange inside core lid 4 Reinforcement 9, effectively avoids the flexural deformation of core lid 4, improves the bending stiffness of core lid 4.

As shown in Figure 4, in the alternative of the present embodiment, described core 2 also includes core draw off gear 6, described core It is internal that draw off gear 6 is fixed in described core frame 3, described core draw off gear 6 be used for increasing and reduce two described side plates 5 it Between distance.

The described flue mould that this utility model provides, core draw off gear 6 is connected between two side plates 5 of core 2, Distance between two sidewalls changing core 2, thus folding and unfolding core 2.After flue molding, shrink core when taking out core 2 Mould 2, i.e. reduces the distance between two sidewalls of core 2；Before making flue, during assembly jig, strut core by same means Mould 2.

As shown in Figure 4, in the alternative of the present embodiment, described core draw off gear 6 is arranged near described core lid 4.

The described flue mould that this utility model provides, during the side plate 5 of folding and unfolding core 2, with the junction of base plate Yu side plate 5 For rotary shaft, side plate 5 does small rotation around this axle.Therefore, core draw off gear 6 is arranged near core lid 4, thus away from core The center of rotation of mould 2 base plate so that under same driving moment, core 2 jack needs the driving force applied minimum.

As shown in Figure 4, in the alternative of the present embodiment, described core draw off gear 6 includes feeder assembly and connection rod set Part, described feeder assembly one end is fixed in the inwall of described core frame 3 side plate 5, and the other end is rotationally connected with described link assembly.

The described flue mould that this utility model provides, core draw off gear 6 includes feeder assembly and link assembly, feeding Assembly and link assembly connect, and feeder assembly is used for drive link assembly.Feeder assembly includes that front center pull rod and rear center draw Bar, front center pull rod drives rear center's pull bar to prolong and moves axially.Described front center pull rod is tube-like piece, and the opening part of its one end sets It is equipped with barrier.Feeder assembly also includes adjusting screw rod and adjusted in concert nut, at one end of adjusting screw rod and adjusted in concert spiral shell Female affixed, the other end is provided with external screw thread.The center of barrier is provided with through hole, is used for making adjusting screw rod pass, and synchronizes The diameter of adjusting nut is more than the diameter of through hole on barrier.When core draw off gear 6 works, adjusted in concert nut is placed in stop The outside of wall, user drives adjusted in concert nut to realize folding and unfolding core 2.

Adjusted in concert nut is affixed with adjusting screw rod, adjusted in concert nut drive adjusting screw rod, make front center pull rod and after Center pull rod is close to each other or is located remotely from each other, and therefore the external screw thread on adjusting screw rod uses rectangular thread, trapezoidal thread and saw Profile of tooth screw thread.Wherein rectangular thread is not standard thread, and the adjusting screw rod of rectangular thread can be with autonomous Design and manufacture.Regulation spiral shell The ridge both sides of bar are work surface, the most smooth for ensureing screw-driven, it is preferred that on the basis of rectangular thread, will The inclination angle of ridge both sides is increased to 15 ° by 0 °, and i.e. ridge two cant angle of work surface is between 3 ° to 15 °.

Rear center's pull bar is set with front center pull rod, and rear center's pull bar includes synchronizing pulling portion and rear center's pull bar connects Portion, synchronizes pulling portion and rear center's draw rod attachment part is affixed.Synchronizing pulling portion to be sleeved in front center pull rod, rear center's pull bar is even The portion that connects is coaxially disposed with front center pull rod.Wherein, the radial dimension in pulling portion is synchronized less than rear center's draw rod attachment part, rear center The radial dimension of draw rod attachment part is more than or equal to front center pull rod.Synchronize one end and rear center's draw rod attachment part in pulling portion Affixed, the other end is fixedly connected with inner thread piece, inner thread piece and rear center's pull bar coaxial line, for in front center pull rod Adjusting screw rod screws togather, and front center pull rod is threadeded by above-mentioned with rear center pull bar, adjust distance core frame 3 both sides away from From.

In core draw off gear 6, link assembly includes two lateral bracing struts and multiple pulling-on piece, pulling-on piece and lateral bracing strut and pulling-on piece Be rotationally connected.Two lateral bracing struts all forward and backward center pull rod with feeder assembly be arranged in parallel, and two lateral bracing struts are arranged in The both sides of forward and backward center pull rod, are connected by multiple pulling-on pieces between two lateral bracing struts and forward and backward center pull rod.Multiple pulling-on pieces divide Being two groups, one group is the front pulling-on piece group being rotationally connected with front center pull rod, after another group is for being rotationally connected with rear center pull bar Pulling-on piece group.Front pulling-on piece group is arranged between a lateral bracing strut and front center pull rod, between another lateral bracing strut and front center pull rod Front pulling-on piece group with it, mirror image is claimed；Rear tab group is arranged between a lateral bracing strut and rear center's pull bar, and set-up mode is the same Pulling-on piece group, front pulling-on piece group and rear tab group specular are arranged.

All including at least two pulling-on piece in front pulling-on piece group and rear tab group, wherein, often two pulling-on pieces in group are about center Pull bar is symmetrical, at least includes a pulling-on piece at one between lateral bracing strut and center pull rod.Preferably, at a lateral bracing strut and center Be provided with three pulling-on pieces between pull bar, be uniformly arranged in the length range of mold half, beneficially center of dispersal pull bar with draw The concentration power of sheet junction, reduces the shearing at pulling-on piece hole, reduces the failure ratio of pulling-on piece.

When using core draw off gear 6 folding and unfolding core 2, use spanner to adjust the adjusted in concert nut in feeder assembly, receive Put two lateral bracing struts in link assembly, to reach the purpose of the spacing of mould two side in reducing and increasing.

As it is shown in figure 5, in the alternative of the present embodiment, described external mold 1 include bed die, two external mold 1 sidewalls, end frame, External mold 1 closure and running wheel；

Described bed die is flat board, and two described external mold 1 sidewalls are arranged in parallel, and two described external mold 1 sidewalls the most vertically connect Surface, the same side at described bed die；

Described end frame is rectangle frame, is arranged between described external mold 1 and described core 2, wherein outside three of described end frame The inwall of frame external mold 1 sidewall described with described bed die and two respectively is affixed, and described core 2 is inserted in described end frame；

Described external mold 1 closure includes drag link and pull bar connector, and one end of described drag link is provided with locating part, separately One end is provided with external screw thread, and described drag link is inserted into one of them described external mold 1 sidewall one end away from described bed die, described Locating part is connected to the outer wall of one of them described external mold 1 sidewall, and described pull bar connector is fixed in another described external mold 1 side Wall is away from one end of described bed die, and described pull bar connector includes female thread, described drag link and described pull bar connector spiral shell Connect；

The opposite side surface configuration of described bed die has running wheel.

The described flue mould that this utility model provides, outside the bed die of external mold 1 and two external mold 1 sidewalls are combined into flue Shape matches die cavity.This external mold 1 intracavity is provided with end frame, and the outer rim of end frame is fixed in external mold 1 bed die and external mold 1 sidewall In, the center hole shape of end frame matches with the profile of core 2, and when assembling flue mould, core 2 is inserted in end frame.End frame For supporting core 2, the frame hem width degree of end frame mates with the wall thickness of molding rear pass.It is additionally provided with in the outside of external mold 1 sidewall External mold 1 closure, for fixing the two side of external mold 1.Opposite side surface configuration at bed die has running wheel, it is possible to move more easily Dynamic flue mould is overall.

As it is shown in figure 5, in the alternative of the present embodiment, be provided with between two described external mold 1 sidewalls at least one every Plate 10, all described dividing plates 10 are all arranged in parallel with arbitrary described external mold 1 sidewall.

The described flue mould that this utility model provides, is provided with at least one dividing plate 10 between two external mold 1 sidewalls, Dividing plate 10 is vertical and bed die, and dividing plate 10 can be affixed with bed die, it is also possible to bed die by slot grafting.Dividing plate 10 is used for will outward Mould 1 is divided into multiple external mold 1 cavity region, and in each external mold 1 cavity region, the most affixed end frame, the most slotting in each end frame Fill a core 2, it is possible to realize in an external mold 1, make two and above flue simultaneously, thus improve flue further Production efficiency.

Preferably, one dividing plate 10 of fixing connection between two external mold 1 sidewalls, external mold 1 is divided into by a dividing plate 10 External mold 1 chamber of two flues can be produced simultaneously.

Embodiment two

The front view of the flue mould that Fig. 6 provides for this utility model embodiment two；As shown in Figure 6, the present embodiment provides Described flue mould, be the further improvement to the described flue mould that embodiment one provides, the skill described by embodiment one Art scheme falls within this embodiment, and the technical scheme that embodiment one has been described above is not repeated to describe.

Specifically, as shown in Figure 6, a kind of flue mould, the end of described upper cover flanging 7 are provided in the present embodiment Thickness is less than itself and the thickness of described core lid 4 fixed connecting end.

In the alternative of the present embodiment, the thickness of the upper cover flanging 7 at the two ends of core lid 4 is reduced further, makes core At the abutting of die cap 4 and core frame 3, transition is smoother.When the upper cover flanging 7 thicker due to end and side plate flanging 8 lid dress, meeting Form a prominent step, there will be one groove accordingly in the flue inner wall manufactured.If upper cover flanging 7 compares Thick, then the groove of the flue inner wall of molding can be deep, and flue is in use arranged between ground and roof, longitudinally through Whole room, short transverse stand under load is relatively big, and the groove of flue inner wall is it is possible that stress concentration phenomenon, easily causes cigarette The cracking in road or damage.Thus, the thickness of the end of upper cover flanging 7 in core 2 is reduced, be conducive to reducing flue inner wall and close The vestige of loft, and more easily core lid 4 is dismantled and taken out.

Last it is noted that various embodiments above is only in order to illustrate the technical solution of the utility model, rather than it is limited System；Although being described in detail this utility model with reference to foregoing embodiments, those of ordinary skill in the art should Understand: the technical scheme described in foregoing embodiments still can be modified by it, or to the most some or all of Technical characteristic carries out equivalent；And these amendments or replacement, do not make the essence of appropriate technical solution depart from this practicality new The scope of type each embodiment technical scheme.

Claims (10)

1. a flue mould, including external mold and core, described core is inserted in described external mold, it is characterised in that described core Mould includes core frame and core lid；

Described core frame includes that base plate and two side plates, described base plate and two described side plates are strip plate, each described side One long limit of plate is respectively and fixedly connected on the long side of described base plate both sides；

Described core lid is arranged at the upper open end that described core frame is relative with described base plate, described core lid and described core frame Lid dress, described core lid is completely covered the described upper open end of described core frame.

Flue mould the most according to claim 1, it is characterised in that described core lid is elongated plates, at described core Two long sides of lid are respectively and fixedly connected with the upper cover flanging of two downward bendings, and described upper cover flanging abuts with described core frame.

Flue mould the most according to claim 2, it is characterised in that the side relative with described base plate of two described side plates All being connected with side plate flanging on limit, two described side plate flangings are arranged in parallel with two described upper cover flangings and mutually support respectively Connect.

Flue mould the most according to claim 3, it is characterised in that described upper cover flanging and described side plate flanging abut Time, the width that both overlap is less than the half of described upper cover flanging width.

Flue mould the most according to claim 4, it is characterised in that described core lid inwall is provided with reinforcement.

Flue mould the most according to claim 1, it is characterised in that described core also includes core draw off gear, described Core draw off gear is fixed in inside described core frame, described core draw off gear be used for increasing and reduce two described side plates it Between distance.

Flue mould the most according to claim 6, it is characterised in that described core draw off gear sets near described core lid Put.

Flue mould the most according to claim 6, it is characterised in that described core draw off gear includes feeder assembly and company Bar assembly, described feeder assembly one end is fixed in the inwall of described core frame side plate, and the other end rotates even with described link assembly Connect.

Flue mould the most according to claim 1, it is characterised in that described external mold includes bed die, two external mold sidewalls, ends Frame, external mold closure and running wheel；

Described bed die is flat board, and two described external mold sidewalls are arranged in parallel, and two described external mold sidewalls are all vertically connected on described The surface, the same side of bed die；

Described end frame is rectangle frame, is arranged between described external mold and described core, and wherein three outer rim of described end frame are divided The not inwall of external mold sidewall described with described bed die and two is affixed, and described core is inserted in described end frame；

Described external mold closure includes drag link and pull bar connector, and one end of described drag link is provided with locating part, the other end Being provided with external screw thread, described drag link is inserted into one of them described external mold sidewall one end away from described bed die, described spacing Part is connected to the outer wall of one of them described external mold sidewall, described pull bar connector be fixed in another described external mold sidewall away from One end of described bed die, described pull bar connector includes female thread, described drag link and described pull bar connector and is spirally connected；

The opposite side surface configuration of described bed die has running wheel.

Flue mould the most according to claim 9, it is characterised in that be provided with at least between two described external mold sidewalls One dividing plate, all described dividing plates are all arranged in parallel with arbitrary described external mold sidewall.