CN1724784A - Shaping method for drum of drying machine - Google Patents
Shaping method for drum of drying machine Download PDFInfo
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- CN1724784A CN1724784A CN 200410020060 CN200410020060A CN1724784A CN 1724784 A CN1724784 A CN 1724784A CN 200410020060 CN200410020060 CN 200410020060 CN 200410020060 A CN200410020060 A CN 200410020060A CN 1724784 A CN1724784 A CN 1724784A
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Abstract
The invention supplies rolling barrel molding method of a dryer that has no mould separating trace. The proper circle rate of the entire rolling barrel is improved, and the inside scuffing of the rolling barrel would be avoided in the molding process. The molding method includes the following steps: the molding stage of the rolling barrel, two ends of the rolling barrel shrinking pipe and molding stage, processing and layering stage at the center of the rolling barrel, and bending collapsing beading process stage.
Description
Technical field
The present invention relates to the forming method of drum of dryer.
Background technology
In general, dryer is the machine that the hot blast of putting into clothing in the cylinder etc. and providing heater or gas combustion apparatus to produce is dried, and its demand has the trend of increase recently.
Fig. 1 demonstrates the exploded perspective view of existing dryer main composition part.
As shown in Figure 1, be provided with cylinder (1) in shell (not shown) inside that constitutes the dryer outward appearance.Cylinder (1) sees it is cylindrical shape on the whole, and all there is opening at its place ahead, rear, and is formed with the belt grooves (2) of utilizing the winding belt (not shown) that other drive source drives along its outer peripheral face.
The inside of cylinder (1) is formed with the space that is used to dry, i.e. drying chamber (5).And, be formed with many lifting muscle (6) in the inside of cylinder (1), after promoting up, the oven dry object during cylinder (1) rotation in the drying chamber (5) falls again, improve drying efficiency by upset oven dry object thus.
The front-end and back-end of cylinder (1) be provided with separately corresponding before supporting cover (7) and the back supporting cover (9).Here, preceding supporting cover (7) and back supporting cover (9) are sealed the front side of cylinder (1) and rear side and are made it form drying chamber (5), and play the front-end and back-end of back-up roller (1) separately.
In addition, the promising seal member (10) that prevents that moisture from revealing is set between the cylinder (1) of preceding supporting cover (7) and rotation and between the cylinder (1) of back supporting cover (9) and rotation.
On cylinder (1) the place ahead and the corresponding position at rear of preceding supporting cover (7) and back supporting cover (9), be provided with a plurality of rollers (not shown) separately and come back-up roller (1).
Be formed with on the preceding supporting cover (7) and be communicated with drying chamber (5) and outside through hole (8).Through hole (8) comes selectivity to open and close by door (not shown).
Back supporting cover (9) is provided with warm-air supply conduit (12), and warm-air supply conduit (12) is communicated with drying chamber (5), plays a part to supply with to drying chamber (5) path of hot blast.
In addition, having from the parts of drying chamber (5) discharge air on the position of the outside with respect to preceding supporting cover (7) through hole (8) lower end of preceding supporting cover (7) is gas outlet assembly (13).
Gas outlet assembly (13) is provided with line bits filter (14).Line bits filters (14) play filtration and discharge the effect of the foreign matter (for example, line bits or dust) that mixes the air from drying chamber (5).
In addition, be communicated with wired bits conduit (15), line bits filter (14) is set in the line bits conduits (15) with gas outlet assembly (13).The pressure fan (17) that is connected with line bits conduits (15) sucks the air of drying chamber (5) by line bits conduits (15).Pressure fan (17) is arranged in the pressure fan casing (18).
Pressure fan casing (18) one sides are communicated with line bits conduits (15), and opposite side is connected with blast pipe (19).
Discharge and under the air-supply effect of pressure fan (17), discharge to the outside from drying chamber (5) by blast pipe (19) through the air of line bits conduits (15).
In addition, the entrance side of warm-air supply conduit (12) is connected with and leads phoenix tube (16).Leading the hot blast that produces when phoenix tube (16) plays a part fuel gas buring guides to the entrance side of hot blast supplying duct (12).
The entrance side of leading phoenix tube (16) is provided with gas combustion apparatus (20), and gas combustion apparatus (20) is made up of to Gas Pipe is supplied with the valve of combustion gas, combustion gas that gas nozzle is ejected and 1 air mix mixing tube and for the igniter of lighting mist control.
The following process of the general process of cylinder that is applicable to above-mentioned dryer is come moulding.
As shown in Figure 2, the steel plate of metal materials such as stainless steel is rolled into drum after, the connecting portion of steel plate butt joint is welded.
Afterwards, under the intact state in both ends, enlarge the diameter of the central part of cylindrical drum.
At this moment, central part advances the each several part of the cylinder inner peripheral surface of correspondence laterally from the inboard separately according to a plurality of moulds of cylinder inboard and makes the cylinder expansion.
Like this, the central portion of cylinder is carried out after the expander, form press strip at the central part of expander.
Afterwards, the folding crimping that carries out of both sides, the front and back bent around of cylinder is processed.
But there is following shortcoming in above-mentioned existing cylinder forming method:
Existing drum of dryer forming method is to adopt from the lining with the mould punching press and the method for expander laterally for the expander of cylinder central portion.
Therefore, after existing cylinder molding procedure finished, the central part of cylinder left the separating traces of mould, influences outward appearance, but also reduced the out of roundness of cylinder, so, many shortcomings such as vibrations and generation noise appear causing when the dryer product is used.
Summary of the invention
The present invention proposes for the problems referred to above that solve prior art, its purpose is, improve the forming method of drum of dryer, different with existing forming method, do not stay the mold separation vestige, improve whole out of roundness, prevent the surface tear of the cylinder inner face that takes place in the draw forming process, thus, can improve the prestige of the dryer product of using this cylinder.
In order to achieve the above object, the drum of dryer forming method that the present invention relates to comprises stage of cylindrical drum moulding; The stage of the both ends draw moulding of cylindrical drum; The stage of processing press strip (bead) on the central part except that the draw portion of cylindrical drum two ends; Be the peripheral stacked stage of carrying out the crimping processing of bending fold of the both ends that the cylindrical drum draw is formed.
In order to achieve the above object, another form of the present invention is the drum of dryer forming method that utilizes the cylinder make-up machine that is made of upper die assembly, osculant core mold assembly, lower mould assembly, stamping machine and brake.It is characterized in that, it includes: the stage that brake moves to the position of the cylindrical drum bottom that is inserted into the osculant core mold outside, to the stage of osculant core mold outside insertion cylindrical drum, carry out the stage of cylinder upper end draw process between upper core mould that decline by the upper die assembly is inserted into the cylinder upper end to constitute the upper die assembly and the upper outside mould, keep out of the way brake remove with the cylinder bottom between stage of contacting, in the stage that descends simultaneously by upper die assembly and osculant core mold assembly under the state that the cylinder upper end draw finishes and finish cylinder bottom draw process between the bottom core mold that the cylinder bottom is inserted into formation lower mould assembly and the bottom outside mould, carry out the stage of press strip (bead) processing and forming on the assigned address except that the position of the two ends draw moulding of cylinder, the stage of carrying out crimping processing for the peripheral stacked bending fold in the both sides that make the moulding of the cylinder draw.
Above-mentioned upper die assembly by motor, be connected top jaw on the electric machine rotational axis, along top jaw can radial dilatation and shrink upper core mould that ground is provided with, being separated by in the upper core mould outside is provided with and can constitutes with the upper outside mould that the upper core mould separates lifting; Above-mentioned osculant core mold assembly by be arranged on intermediate cam on the axle that is connected with the rotating shaft straight of above-mentioned motor, along intermediate cam can radial dilatation and be arranged on with shrinking outside form reeded osculant core mold and constitute; Above-mentioned lower mould assembly is identical with the upper die modular construction, and is positioned at the relative position of upper die assembly; Above-mentioned stamping machine is given the pressurization of upper die assembly; Brake can advance or retreats between osculant core mold assembly and bottom core mold assembly to mold center.
In order to achieve the above object, the drum of dryer forming method of another form of the present invention, it is characterized in that, it includes the stage of cylindrical drum moulding, in the stage that cylinder type cylinder inner peripheral surface adheres to backplate, in the stage of the both ends draw moulding of cylindrical drum, in the stage of processing press strip (bead) on the central part except that the two ends draw portion of cylindrical drum, be the stage of the peripheral stacked crimping processing in the both ends that the cylindrical drum draw is formed.
In addition, in order to achieve the above object, another form of the present invention is to utilize to comprise the upper die assembly, osculant core mold assembly, the drum of dryer forming method of the cylinder make-up machine that lower mould assembly and stamping machine constitute, it is characterized in that it includes the stage of adhering to backplate at cylinder type cylinder inner peripheral surface, be inserted in the stage that inner peripheral surface is attached with the cylinder type cylinder of backplate to the osculant core mold outside, the stage of finishing cylinder upper end draw process between upper core mould that the decline by the upper die assembly is inserted into the cylinder upper end to constitute upper die and the upper outside mould, the stage of finishing cylinder bottom draw process between the bottom core mold that the cylinder bottom is inserted into formation lower mould assembly of under the state that the cylinder upper end draw finishes, descending in by upper die assembly and osculant core mold assembly and the bottom outside mould, except that the position of the two ends draw moulding of cylinder, carry out the stage of press strip (bead) processing and forming on the assigned address, be the peripheral stacked stage of carrying out crimping processing of the both ends that make the moulding of the cylinder draw.
Above-mentioned upper die assembly includes motor, be connected top jaw on the electric machine rotational axis, along top jaw can radial dilatation and shrink upper core mould that ground is provided with, being separated by in the upper core mould outside is provided with and can constitutes with the upper outside mould that the upper core mould separate lifting; Above-mentioned osculant core mold assembly includes the axle that is connected with the rotating shaft straight of motor, is arranged on intermediate cam on the axle, can radial dilatation and be arranged on the reeded osculant core mold of outside formation along intermediate cam with shrinking; Above-mentioned lower mould assembly is identical with the upper die modular construction, and is positioned at the relative position of upper die assembly; Above-mentioned stamping machine is given the pressurization of upper die assembly.
As mentioned above, the present invention has improved the forming method of drum of dryer, different with existing forming method, do not stay the mold separation vestige, improve the out of roundness of whole cylinder, prevent drum inner surface scratch wound that takes place in the draw forming process etc., so, be applied to can improve reliability of products and prestige on the dryer.
Description of drawings
Fig. 1 is the exploded perspective view of existing drying machine structure.
Fig. 2 is the flow chart of the forming process of existing cylinder.
Fig. 3 is the flow chart of cylinder forming process of the present invention.
Fig. 4 is the reference diagram that demonstrates the cylinder state according to the forming process of Fig. 3.
Fig. 5 is the flow chart of the concrete segmentation of cylinder forming process of the present invention.
Fig. 6 a to Fig. 6 j is the operating state figure that shows cylinder and shaped device according to forming process of the present invention,
Fig. 6 a is the state diagram before cylinder inserts,
Fig. 6 b is the state diagram before draw moulding front upper part die assembly descends,
Fig. 6 c is the state diagram of decline of upper die assembly and the draw moulding of cylinder upper end,
Fig. 6 d is the state diagram after brake is kept out of the way,
Fig. 6 e is the state diagram of the cylinder bottom draw moulding of upper die assembly and the decline of osculant core mold assembly,
Fig. 6 f is the disengaged position figure for the upper and lower part outside mould of press strip (bead) and crimping processing,
State diagram when Fig. 6 g is press strip (bead) moulding,
Fig. 6 h is the state diagram after the crimping processing,
Fig. 6 i is that process is all over cylinder that the back core mold shrinks from the mould state diagram,
Fig. 6 j is the state diagram after the upper die assembly rises.
Fig. 7 is the cylinder forming process flow chart of another embodiment of the present invention.
Fig. 8 a to Fig. 8 h is the operating state figure that shows cylinder and shaped device according to the cylinder forming process of another embodiment of the present invention,
Fig. 8 a is state diagram before draw moulding front upper part die assembly descends,
Fig. 8 b is the state diagram of decline of upper die assembly and the draw moulding of cylinder upper end,
Fig. 8 c is the state diagram after the draw moulding,
Fig. 8 d keeps out of the way state diagram for the top and the bottom outside mould of press strip and crimping processing,
State diagram when Fig. 8 e is the press strip moulding,
Fig. 8 f is the state diagram after the crimping processing,
Fig. 8 g is that process is all over cylinder that the back core mold shrinks from the mould state diagram,
Fig. 8 h is the state diagram after the upper die assembly rises.
The symbol description of accompanying drawing major part:
1: cylinder, 1a: draw portion,
1b: press strip, 30: motor,
40: the upper die assembly, 41: top jaw,
42: the upper core mould, 43: the upper outside mould,
50: osculant core mold assembly, 51: intermediate cam,
52: the osculant core mold, 520: groove,
60: the lower mould assembly, 61: lower cam,
62: the bottom core mold, 63: the bottom outside mould,
70: roller.
The specific embodiment
Describe various embodiments of the present invention in detail below in conjunction with Fig. 3 to Fig. 8.
At first, Fig. 3 is the cylinder forming process flow chart of the present invention the 1st embodiment, and Fig. 4 is the reference diagram according to the cylinder state of the forming process demonstration of Fig. 3.The drum of dryer forming process of the 1st embodiment roughly can be divided into according to the present invention: the stage of cylindrical drum (1) moulding, the stage of the both ends draw moulding of cylindrical drum (1), in the stage of processing press strip (1b) on the central part except that cylindrical drum (1) two ends draw portions (1a), be the peripheral stacked stage of carrying out crimping processing of the two ends that make cylindrical drum (1).
Here, the stage of cylindrical drum (1) moulding is: earlier the metal foil of materials such as stainless steel is rolled into drum, then the connecting portion that connects of welding steel.
Central part in cylindrical drum (1) utilizes roller (70) processing press strip (1b) during press strip (1b) moulding.
Cylinder type cylinder (1) is as mentioned above the steel plate of metal material (example: stainless steel) be rolled into the connecting portion that welding is docked after the cylindrical shape and finish.In addition, cylinder type cylinder (1) also can be made of other disclosed methods.
In addition, below more detailed explanation of segmentation is particularly carried out in the cylinder of the invention described above (1) forming process and relevant cylinder make-up machine running.
Fig. 5 is the flow chart that more specifically segments cylinder forming process of the present invention, and Fig. 6 a to Fig. 6 j is the operating state figure that shows cylinder and shaped device according to forming process.Be applicable to the cylinder make-up machine of cylinder of the present invention (1) moulding, constitute by upper die assembly (40), osculant core mold assembly (50), lower mould assembly (60), stamping machine (not shown) and brake.Wherein, upper die assembly (40) comprise motor (30), be connected top jaw (41) on motor (30) rotating shaft, can radial dilatation and shrink the upper core mould (42) that ground is provided with, the upper outside mould (43) of being separated by and being arranged on upper core mould (42) outside and can separating lifting along top jaw (41) with upper core mould (42); Osculant core mold assembly (50) by be arranged on intermediate cam (51) on the axle that is connected with motor (30) rotating shaft straight, can radial dilatation and shrink that ground is provided with and the osculant core mold (52) that is formed with groove (520) outside constitutes along intermediate cam (51); Lower mould assembly (60) is identical with upper die assembly (40) formation, and is positioned at the relative position of upper die assembly (40); Stamping machine (not shown) is given upper die assembly (40) pressurization; Brake can advance or retreats between osculant core mold assembly (50) and bottom core mold assembly (60) to mold center.
Promptly, above-mentioned lower mould assembly (60) comprising: be arranged on the lower cam (61) on the axle that connects osculant core mold (52), can radial dilatation and shrink the bottom core mold (62) that ground is provided with, the bottom outside mould (63) of being separated by and being arranged on bottom core mold (62) outside and can separating lifting along lower cam (61) with bottom core mold (62).
Utilize the cylinder forming process of above-mentioned cylinder make-up machine as follows.
At first, in order to support the bottom of the cylinder type cylinder that is inserted into the osculant core mold outside, the brake of dotted line position is located at solid line position to mold center's side reach, and (Fig. 6 a).
Afterwards, insert cylinder type cylinder (1) (Fig. 6 b) to osculant core mold (52) outside of cylinder make-up machine.
At this moment, the bottom of cylinder type cylinder (1) is braked device and is supporting.
In addition, after cylindrical drum (1) is inserted in osculant core mold (52) outside of cylinder make-up machine, upper die assembly (40) descends under the punching press effect of stamping machine (not shown), and cylinder (1) upper end is inserted into the draw forming process of carrying out the upper end reduced of cylinder (1) between the upper core mould (42) that constitutes upper die assembly (40) and the upper outside mould (43) thus.(Fig. 6 c).
Here, the upper end of cylinder (1) is because of being under pressure, and with the profile of the lateral surface of top core mold (42) and upper outside mould (43) medial surface that combines with its form and along reduced, finishes draw moulding thus.
At this moment, upper core mould (42) is in the state of being close to osculant core mold (52).
Then, when the draw was finished in the upper end of cylinder, the brake of back-up roller bottom retreated and away from mold center, and (Fig. 6 d) also removed in the contact of the support between cylinder bottom and the brake thereupon thus.
And, under the state that cylinder (1) the upper end draw finishes, if upper die assembly (40) and osculant core mold assembly (50) descend simultaneously, cylinder (1) bottom is inserted between the bottom core mold (62) and bottom outside mould (63) that constitutes lower mould assembly (60), carries out the draw forming process (Fig. 6 e) to the cylinder bottom thus.
In this process, upper die assembly (40) and osculant core mold assembly (50) descend simultaneously, and carry out the bottom draw moulding of cylinder, so prevent the inner face of cylinder and the friction between the core mold, the drum inner face the cut phenomenon can not take place.
Then, carry out the backoff procedure (Fig. 6 f) of upper outside mould (43) and bottom outside mould (63) after the draw moulding at cylinder (1) both ends finishes.
Afterwards, on the assigned address except that the draw portion (1a) of cylinder (1), carry out the process (Fig. 6 g) of press strip (1b) moulding.
At this moment, in the process of cylindrical drum (1) central part press strip (1b) moulding, motor (30) by the cylinder make-up machine drives, the core mold rotation, each roller (70) in cylinder (1) outside moves to each groove (520) direction of correspondence, give the pressurization of cylinder (1) outer peripheral face, the position that is pressed down by roller (70) is deformed into the shape of groove (520), finishes the press strip moulding thus.
Then, after the press strip moulding finishes, the crimping process (with reference to Fig. 6 h) that bends for the periphery, both sides that makes cylinder (1) is stacked.
And, to the crimping process finishing of periphery, both sides, i.e. after the processing of cylinder moulding is all over, core mold (42) (52) (62) with reference to the accompanying drawings in the contractive action of the direction of arrow from cylinder (1) demoulding (Fig. 6 i).Thus, the contact between above-mentioned core mold and the cylinder (1) is disengaged, and makes it become the state that cylinder (1) breaks away from from core mold.
At this moment, before the core mold contractive action, the bottom outside mould of keeping out of the way laterally (63) move to can back-up roller (1) bottom the position.
In addition, remove the contact between core mold and the cylinder (1) after, upper die assembly (40) rises, and is disengaged fully in the contact of upper direction, can take out cylinder (Fig. 6 j) from the cylinder make-up machine thus.
Drum of dryer forming method according to above-mentioned the 1st embodiment, middle part expansion with respect to cylinder (1) is carried out the draw to the both side ends of cylinder (1), can remove on cylinder (1) middle part by the core mold of separating and leave a trace and influence the phenomenon of outward appearance, and, owing to do not process, can solve the phenomenon that cylinder central part out of roundness descends at the central part of cylinder (1).
So the cylinder that forming method according to the present invention is made can keep the cylinder smooth in appearance when using in product, its vibrations simultaneously and noise be energy minimization also.
And according to the cylinder method of forming of the present invention, upper die assembly (40) and osculant core mold assembly (50) descend simultaneously when the draw of bottom, so can not stay mold-mart at the drum inner face, can keep smooth outward appearance and inner face.
Specify another embodiment of the present invention below with reference to Fig. 7 and Fig. 8.
Fig. 7 is the concrete segmentation flow chart of the cylinder forming process of another embodiment of the present invention, and Fig. 8 a to Fig. 8 h is the operating state figure that shows cylinder and shaped device according to forming process.The cylinder make-up machine that is applicable to cylinder of the present invention (1) moulding comprises upper die assembly (40), osculant core mold assembly (50), lower mould assembly (60), stamping machine (not shown) and brake.Wherein, upper die assembly (40) comprise motor (30), be connected top jaw (41) on motor (30) rotating shaft, can radial dilatation and shrink the upper core mould (42) that ground is provided with, upper outside mould (43) formation of being separated by and being arranged on upper core mould (42) outside and can separate lifting along top jaw (41) with upper core mould (42); Osculant core mold assembly (50) comprise the intermediate cam (51) that is arranged on the axle that is connected with motor (30) rotating shaft straight, can radial dilatation and shrink the osculant core mold (52) that ground was provided with and was formed with outside groove (520) along intermediate cam (51); Lower mould assembly (60) and upper die assembly (40) constitute identical and are positioned at the relative position of upper die assembly (40); Stamping machine (not shown) is given upper die assembly (40) pressurization.
That is, lower mould assembly (60) comprise the lower cam (61) that is arranged on the axle that connects osculant core mold (52), can radial dilatation and shrink the bottom core mold (62) that ground is provided with, the bottom outside mould (63) of being separated by and being arranged on bottom core mold (62) outside and can separating lifting along lower cam (61) with bottom core mold (62).
The cylinder forming process of the cylinder make-up machine of Gou Chenging is as follows like this.
At first, (Fig. 8 a) cylinder type cylinder (1) to be inserted into osculant core mold (52) outside of cylinder make-up machine.
At this moment, be attached with the backplate (100) of material such as plastics on the inner peripheral surface of cylinder type cylinder (1), the cylindrical drum (1) that is inserted in osculant core mold (52) outside is supported by osculant core mold and bottom core mold (62).And above-mentioned backplate (100) is so long as can prevent the material of the scuffing of cylinder (1) inner face and just can use, so the material of above-mentioned backplate (100) is unqualified on plastic material.
And, the making of cylinder type cylinder (1) as mentioned above, by the steel plate of metal material (example: stainless steel) be rolled into the connecting portion that welding is docked after the cylindrical shape and finish.In addition, cylinder type cylinder (1) also can be made of other disclosed methods.
After cylindrical drum (1) is inserted in osculant core mold (52) outside of cylinder make-up machine, upper die assembly (40) descends under the effect of the stamping pressure of stamping machine (not shown), and cylinder (1) upper end is inserted into the draw forming process of carrying out the upper end reduced of cylinder (1) between the upper core mould (42) that constitutes upper die assembly (40) and the upper outside mould (43) thus.(Fig. 8 b)
Here, the upper end of cylinder (1) is because of being under pressure, and along reduced, finishes draw moulding with the profile of the lateral surface of top core mold (42) and upper outside mould (43) medial surface that combines with its form thus.
And, under the state that cylinder (1) the upper end draw finishes, upper die assembly (40) descends, cylinder (1) bottom is inserted between the bottom core mold (62) and bottom outside mould (63) that constitutes lower mould assembly (60), carries out the draw forming process (Fig. 8 c) to the cylinder bottom thus.
At this moment, cylinder type cylinder (1) is in by the state of centre and bottom core mold (62) support.So when upper die assembly (40) continued to descend, cylinder type cylinder inner face may be scratched by osculant core mold (52).But, in the present embodiment, be attached with the backplate (100) of material such as plastics on the inner peripheral surface of cylinder (1), the inner face of protection cylinder.
Then, carry out the backoff procedure (Fig. 8 d) of upper outside mould (43) and bottom outside mould (63) after the draw moulding at cylinder (1) both ends finishes.
Afterwards, carry out the processing (Fig. 8 e) of press strip (1b) moulding on the assigned address except that the draw portion (1a) of cylinder (1).
At this moment, in the process of cylindrical drum (1) central part press strip (1b) moulding, motor (30) by the cylinder make-up machine drives, the core mold rotation, each roller (70) in cylinder (1) outside moves to each groove (520) direction of correspondence, give the pressurization of cylinder (1) outer peripheral face,, finish the press strip moulding thus so the position that is pressed down by roller (70) is deformed into the shape of groove (520).
Then, after the press strip moulding finishes, the crimping process (Fig. 8 f) that bends for the periphery, both sides that makes cylinder (1) is stacked.
And, to the crimping process finishing of periphery, both sides, after the processing of cylinder moulding is all over, core mold (42) (52) (62) with reference to the accompanying drawings in the contractive action of the direction of arrow from cylinder (1) demoulding (Fig. 8 g).Thus, the contact between above-mentioned core mold and the cylinder (1) is disengaged, and makes it become the state that cylinder (1) breaks away from core mold.
At this moment, before the core mold contractive action, the bottom outside mould of keeping out of the way laterally (63) move to can back-up roller (1) bottom the position.
In addition, remove the contact between above-mentioned core mold and the cylinder (1) after, upper die assembly (40) rises, and is disengaged fully in the contact of upper direction, can take out cylinder (with reference to Fig. 8 h) from the cylinder make-up machine thus.
And after draw moulding finished, the backplate (100) that is attached to cylinder (1) inner face of taking-up had not needed, and can remove on the dryer assembly line.
Drum of dryer forming method according to above-mentioned the 2nd embodiment, middle part expansion with respect to cylinder (1) is carried out the draw to the both side ends of cylinder (1), can remove on cylinder (1) middle part by the core mold of separating and leave a trace and influence the phenomenon of outward appearance, and owing to do not process the phenomenon that to avoid cylinder central part out of roundness to descend at the central part of cylinder (1).
So the cylinder that forming method according to the present invention is produced act as product when using, and can keep the cylinder smooth in appearance, also energy minimization of vibrations and noise simultaneously.
According to the present invention, because cylinder (1) inner face is attached with backplate (100), in draw moulding, the phenomenon that scratched by mould can not take place in cylinder (1) inner face, can keep inner surface smooth so cylinder is finished product.
As shown in Figure 8, all have backplate (100) in cylinder (1) inner face entire portion, but on the not necessarily necessary whole inner face of attached subsides cylinder (1) of above-mentioned backplate (100).That is it is just passable, only need to cover the position that may be scratched by the mould that descends.
This specification is the example explanation with the forming process that is used in the cylinder on the dryer, but the present invention is not only applicable to the cylinder of dryer, and can also be applicable to that central part needs the forming process of all form cylinders of expander.
And, the same principle that is used for the cylinder make-up machine of the cylinder draw, utilizes to illustrate in the foregoing description also be can be used for not being in the cylinder moulding of rectilinear but horizontal.
Claims (22)
1, a kind of drum of dryer forming method is characterized in that, comprising: the stage of cylindrical drum moulding; The stage of the both ends draw moulding of cylindrical drum; In the stage of the central part ceiling molding processing and forming except that the two ends draw portion of cylindrical drum; Peripheral stacked and stage of the crimping processing carried out of the both ends that the cylindrical drum draw is formed.
2, drum of dryer forming method according to claim 1 is characterized in that, the stage of cylindrical drum moulding is after the metal foil of materials such as stainless steel is rolled into drum, the connecting portion of welding steel butt joint.
3, drum of dryer forming method according to claim 1 is characterized in that, utilizes roller processing press strip when the moulding of cylinder type cylinder ceiling molding.
4, a kind of drum of dryer forming method utilizes the cylinder forming method of the cylinder make-up machine that is made of upper die assembly, osculant core mold assembly, lower mould assembly, stamping machine and brake, it is characterized in that:
The cylinder forming method comprises: the stage that brake moves to the position of the cylindrical drum bottom of supporting the osculant core mold outside, to the stage of osculant core mold outside insertion cylindrical drum, carry out the stage of cylinder upper end draw process between upper core mould that decline by the upper die assembly is inserted into the cylinder upper end to constitute upper die and the upper outside mould, keep out of the way brake remove with the cylinder bottom between stage of contacting, in the stage that descends simultaneously by upper die assembly and osculant core mold assembly under the state that the cylinder upper end draw finishes and finish cylinder bottom draw process between the bottom core mold that the cylinder bottom is inserted into formation lower mould assembly and the bottom outside mould, carry out the stage of press strip processing and forming on the assigned address except that the position of the draw moulding of cylinder, be the peripheral stacked stage of carrying out crimping processing of both sides of the draw moulding that makes cylinder;
The upper die assembly of the cylinder make-up machine that the cylinder forming method is utilized by motor, be connected top jaw on the electric machine rotational axis, along top jaw can radial dilatation and shrink upper core mould that ground is provided with, in the isolated setting in the outside of upper core mould and can constitute with the upper outside mould that the upper core mould separates lifting; Osculant core mold assembly by be arranged on intermediate cam on the axle that is connected with the rotating shaft straight of motor, can radial dilatation and shrink ground and be provided with and form reeded osculant core mold outside and constitute along intermediate cam; The lower mould assembly is identical with upper die assembly formation, and is positioned at the relative position of upper die assembly; Stamping machine is given the pressurization of upper die assembly; Brake can advance or retreats between osculant core mold assembly and bottom core mold assembly to mold center.
5, drum of dryer forming method according to claim 4, it is characterized in that, the stage of the central part press strip processing and forming of cylinder type cylinder comprises: in the stage of the motor-driven core mold rotation of cylinder make-up machine, pressurization makes the pressurized portion of cylinder be deformed into the stage of groove shapes to cylinder to the groove side of core mold by roller.
6, drum of dryer forming method according to claim 4, it is characterized in that, also include: after making the peripheral stacked crimping process finishing in both sides of draw moulding of cylinder, the stage that is disengaged along with the core mold contact between shrinkage type core mold and the cylinder to the inside.
7 drum of dryer forming methods according to claim 6 is characterized in that, the contact upper back die assembly of removing between core mold and the cylinder rises.
8, drum of dryer forming method according to claim 7 is characterized in that, remove between core mold and the cylinder contact and after the upper die assembly rises, carry out the taking-up stage of cylinder.
9, according to each described drum of dryer forming method in the claim 1 to 8, it is characterized in that above-mentioned cylinder is a stainless steel.
10, a kind of drum of dryer forming method that utilizes the cylinder make-up machine that is made of upper die assembly, osculant core mold assembly, lower mould assembly and stamping machine is characterized in that:
The cylinder forming method comprises: to the stage of osculant core mold outside insertion cylindrical drum, carry out the stage of cylinder upper end draw process between upper core mould that decline by the upper die assembly is inserted into the cylinder upper end to constitute upper die and the upper outside mould, in the stage that descends simultaneously by upper die assembly and osculant core mold assembly under the state that the cylinder upper end draw finishes and finish cylinder bottom draw process between the bottom core mold that the cylinder bottom is inserted into formation lower mould assembly and the bottom outside mould;
The upper die assembly of the cylinder make-up machine that the cylinder forming method is utilized by motor, be connected top jaw on the electric machine rotational axis, along top jaw can radial dilatation and shrink upper core mould that ground is provided with, being separated by in the upper core mould outside is provided with and can constitutes with the upper outside mould that the upper core mould separates lifting; Osculant core mold assembly by be arranged on intermediate cam on the axle that is connected with the rotating shaft straight of motor, can radial dilatation and shrink ground and be provided with and form reeded osculant core mold outside and constitute along intermediate cam; The lower mould assembly is identical with upper die assembly formation, and is positioned at the relative position of upper die assembly; Stamping machine is given the pressurization of upper die assembly.
11, a kind of drum of dryer forming method is characterized in that, comprising: the stage of cylindrical drum moulding; The stage that cylinder type cylinder inner peripheral surface adheres to backplate; The stage of the both ends draw moulding of cylindrical drum; The stage of the central part press strip processing and forming except that the draw portion of cylindrical drum; Be the peripheral stacked stage of carrying out crimping processing of the both ends that the cylindrical drum draw is formed.
12, drum of dryer forming method according to claim 11 is characterized in that, the stage of cylinder type cylinder moulding is the connecting portion that the steel plate of metal material is rolled into welding steel butt joint behind the drum.
13, drum of dryer forming method according to claim 11 is characterized in that, utilizes roller to process press strip when the central part ceiling molding moulding of cylinder type cylinder.
14, a kind of drum of dryer forming method that utilizes the cylinder make-up machine that is made of upper die assembly, osculant core mold assembly, lower mould assembly and stamping machine is characterized in that:
The cylinder forming method comprises: by the stage of adhering to backplate at cylinder type cylinder inner peripheral surface, be inserted in the stage that inner peripheral surface is attached with the cylinder type cylinder of backplate to the osculant core mold outside, decline according to the upper die assembly, the cylinder upper end is inserted into the stage of finishing cylinder upper end draw process between the upper core mould that constitutes upper die and the upper outside mould, under the state that the cylinder upper end draw finishes, descend in according to upper die assembly and osculant core mold assembly, the cylinder bottom is inserted into the stage of finishing cylinder bottom draw process between the bottom core mold that constitutes the lower mould assembly and the bottom outside mould, except that the position of cylinder draw moulding, carry out the stage of press strip (bead) processing and forming on the assigned address, be the peripheral stacked stage of carrying out crimping processing of the both sides that make the moulding of the cylinder draw;
The upper die assembly of the cylinder make-up machine that the cylinder forming method is utilized by motor, be connected top jaw on the electric machine rotational axis, along top jaw can radial dilatation and shrink upper core mould that ground is provided with, being separated by in the upper core mould outside is provided with and can constitutes with the upper outside mould that the upper core mould separates lifting; Osculant core mold assembly by be arranged on intermediate cam on the axle that is connected with the rotating shaft straight of motor, can radial dilatation and shrink ground and be provided with and form reeded osculant core mold outside and constitute along intermediate cam; The lower mould assembly is identical with upper die assembly formation, and is positioned at the relative position of upper die assembly; Stamping machine is given the pressurization of upper die assembly.
15, drum of dryer forming method according to claim 14 is characterized in that, the process segment of the central part press strip moulding of cylinder type cylinder comprises: the stage of the motor-driven core mold rotation of cylinder make-up machine; Pressurization makes the pressurized portion of cylinder be deformed into the stage of groove shapes to cylinder to the groove side of core mold by roller.
16, drum of dryer forming method according to claim 14, it is characterized in that, after also including the peripheral stacked crimping process finishing in the both sides that make the moulding of the cylinder draw, the stage that is disengaged along with the core mold contact between shrinkage type core mold and the cylinder to the inside.
17, drum of dryer forming method according to claim 16 is characterized in that, the contact upper back die assembly of removing between above-mentioned core mold and the cylinder rises.
18, drum of dryer forming method according to claim 17 is characterized in that, removes the taking-up stage of carrying out cylinder after contact between above-mentioned core mold and the cylinder and upper die assembly rise.
19, according to any described drum of dryer forming method in the claim 11 to 18, it is characterized in that above-mentioned cylinder is a stainless steel.
20, a kind of utilization comprises the drum of dryer forming method of the cylinder make-up machine that is made of upper die assembly, osculant core mold assembly, lower mould assembly and stamping machine, it is characterized in that:
The cylinder forming method comprises: in the stage that cylinder type cylinder inner peripheral surface adheres to backplate, be inserted in the stage that inner peripheral surface is attached with the cylinder type cylinder of backplate to the osculant core mold outside, decline cylinder upper end by the upper die assembly is inserted into the stage of finishing cylinder upper end draw process between the upper core mould that constitutes upper die and the upper outside mould, the stage of finishing cylinder bottom draw process between the bottom core mold that the cylinder bottom is inserted into formation lower mould assembly of descending in according to upper die assembly and osculant core mold assembly and the bottom outside mould under the state that the cylinder upper end draw finishes;
The upper die assembly of the cylinder make-up machine that the cylinder forming method is utilized by motor, be connected top jaw on the above-mentioned electric machine rotational axis, along top jaw can radial dilatation and shrink upper core mould that ground is provided with, being separated by in the upper core mould outside is provided with and can constitutes with the upper outside mould that the upper core mould separates lifting; Osculant core mold assembly by be arranged on intermediate cam on the axle that is connected with the rotating shaft straight of motor, can radial dilatation and shrink ground and be provided with and form reeded osculant core mold outside and constitute along intermediate cam; The lower mould assembly is identical with upper die assembly formation, and is positioned at the relative position of upper die assembly; Stamping machine is given the pressurization of upper die assembly.
21, drum of dryer forming method according to claim 20 is characterized in that, during the draw of cylinder upper end, the cylinder type cylinder in the insert type core mold outside is supported by osculant core mold and bottom core mold.
22, a kind of drum of dryer forming method that utilizes the cylinder make-up machine that is made of upper die assembly, osculant core mold assembly, lower mould assembly, stamping machine and brake is characterized in that:
The cylinder forming method comprises: the stage that brake moves to the position that can support the cylindrical drum bottom that is inserted into the osculant core mold outside, to the stage of osculant core mold outside insertion cylindrical drum, decline cylinder upper end by the upper die assembly is inserted into the stage of carrying out cylinder upper end draw process between the upper core mould that constitutes upper die and the upper outside mould, keep out of the way brake remove with the cylinder bottom between stage of contacting, in the stage that descends simultaneously by upper die assembly and osculant core mold assembly under the state that the cylinder upper end draw finishes and finish cylinder bottom draw process between the bottom core mold that the cylinder bottom is inserted into formation lower mould assembly and the bottom outside mould;
The upper die assembly of the cylinder make-up machine that the cylinder forming method is utilized by motor, be connected top jaw on the electric machine rotational axis, along top jaw can radial dilatation and shrink upper core mould that ground is provided with, being separated by in the upper core mould outside is provided with and can constitutes with the upper outside mould that the upper core mould separates lifting; Osculant core mold assembly by be arranged on intermediate cam on the axle that is connected with the rotating shaft straight of motor, can radial dilatation and shrink ground and be provided with and form reeded osculant core mold outside and constitute along intermediate cam; The lower mould assembly is identical with upper die assembly formation, and is positioned at the relative position of upper die assembly; Stamping machine is given the pressurization of upper die assembly; Brake can advance or retreats between osculant core mold assembly and bottom core mold assembly to mold center.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200410020060 CN1724784A (en) | 2004-07-21 | 2004-07-21 | Shaping method for drum of drying machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200410020060 CN1724784A (en) | 2004-07-21 | 2004-07-21 | Shaping method for drum of drying machine |
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| Publication Number | Publication Date |
|---|---|
| CN1724784A true CN1724784A (en) | 2006-01-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200410020060 Pending CN1724784A (en) | 2004-07-21 | 2004-07-21 | Shaping method for drum of drying machine |
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| Country | Link |
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| CN (1) | CN1724784A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101384765B (en) * | 2006-02-15 | 2011-03-30 | Bsh博世和西门子家用器具有限公司 | Washing machine laundry drum |
| CN108589210A (en) * | 2018-06-29 | 2018-09-28 | 海信（山东）冰箱有限公司 | A kind of interior bucket and dryer of dryer |
-
2004
- 2004-07-21 CN CN 200410020060 patent/CN1724784A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101384765B (en) * | 2006-02-15 | 2011-03-30 | Bsh博世和西门子家用器具有限公司 | Washing machine laundry drum |
| CN108589210A (en) * | 2018-06-29 | 2018-09-28 | 海信（山东）冰箱有限公司 | A kind of interior bucket and dryer of dryer |
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Open date: 20060125 |