CN103203819A - Circular moulding device of rubber diaphragms for automobile brake chambers - Google Patents
Circular moulding device of rubber diaphragms for automobile brake chambers Download PDFInfo
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- CN103203819A CN103203819A CN2013101332974A CN201310133297A CN103203819A CN 103203819 A CN103203819 A CN 103203819A CN 2013101332974 A CN2013101332974 A CN 2013101332974A CN 201310133297 A CN201310133297 A CN 201310133297A CN 103203819 A CN103203819 A CN 103203819A
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Abstract
The invention discloses a circular moulding device of rubber diaphragms for automobile brake chambers. The device comprises a vacuum vulcanizing press, an injection vulcanizing press, a demoulding mechanism and a rubber diaphragm moulding mould, wherein the vacuum vulcanizing press is used for primary vulcanization treatment of the rubber diaphragms; the injection vulcanizing press is used for secondary vulcanization treatment; and the demoulding mechanism is used for separating compression rings from lower moulds in the rubber diaphragm moulding mould. The device breaks through a traditional secondary vulcanization moulding process, injects glue into a mould cavity via an injection machine, carries out vulcanization treatment while feeding, has high degree of automation, saves manpower input, has high product production efficiency and stable quality and reduces the production cost.
Description
Technical field
The present invention relates to rubber diaphragm of automobile brake chamber secondary injecting glue sulfurization forming apparatus, especially a kind of injection vulcanizing press that adopts carries out the circulation shaped device that post-cure is handled.
Background technology
Existing rubber diaphragm of automobile brake chamber post-cure shaped device is open in 201010541774.7 the Chinese patent in the patent No., two vacuum vulcanization press, mould emptier, diaphragm of rubber mould are disclosed in above-mentioned document, the first vacuum vulcanization press is used for a vulcanizing treatment of diaphragm of rubber, the second vacuum vulcanization press is used for the post-cure of diaphragm of rubber to be handled, and mould emptier is used for the lock out operation of diaphragm of rubber mould pressure ring and counterdie; Be provided with intermediate transport mechanism between press and the press and between press and the mould emptier, form thus by the transition of intermediate transport mechanism from the first vacuum vulcanization press to the second vacuum vulcanization press to mould emptier again to the working plate of vacuum vulcanization press sealing moving loop.This shaped device arranges station according to the manufacturing procedure of diaphragm of rubber and has shortened the production cycle, is convenient to simplify the production operation of diaphragm of rubber continuously.But, the existing processing technology that all is based on existing diaphragm of rubber shaped device realizes that i.e. twice sulfuration all carried out vulcanizing treatment after adding sizing material, in order to improve the production efficiency of diaphragm of rubber, the technical staff constantly studies the diaphragm of rubber shaped device, seeking breakthrough.
Summary of the invention
Problem at the prior art existence, the object of the present invention is to provide a kind of rubber diaphragm of automobile brake chamber circulation shaped device, this shaped device is under the constant prerequisite of sulfidization molding technology of diaphragm of rubber, break traditional post-cure moulding process, in die cavity, injected sizing material by injector, need not manually to add sizing material, finished to automation the post-cure processing, reduce artificial input, improved the production efficiency of air chamber rubber barrier film, reduced production cost; And this shaped device heats in material feeding immediately, the good fluidity of sizing material, avoided the traditional secondary sulfuration process behind the secondary material loading, mould causes the lower glue layer local deformation of the air chamber barrier film that has vulcanized when the extruding sizing material, make lower glue layer dislocation or uneven thickness, and then influence the situation generation of end product quality; In addition, the present invention arranges station according to the diaphragm of rubber manufacturing procedure, and in order to improve the quality of diaphragm of rubber, once sulfuration can be inequality with process time and the temperature of post-cure, the production efficiency of vacuum vulcanization press be the injection vulcanizing press more than 3 times the time, a vacuum vulcanization press cooperates the station arrangement of at least three injection vulcanizing press to shorten the production cycle of diaphragm of rubber greatly, thereby has improved utilization rate of equipment and installations, has further improved production efficiency.
For achieving the above object, rubber diaphragm of automobile brake chamber circulating sulfuration device of the present invention, this shaped device comprises a vacuum vulcanization press, at least three injections vulcanizing press, mould emptiers, diaphragm of rubber curing forming mold, wherein, the vacuum vulcanization press is used for a vulcanizing treatment of diaphragm of rubber, the injection vulcanizing press is used for the post-cure of diaphragm of rubber to be handled, and mould emptier is used for the lock out operation of diaphragm of rubber curing forming mold pressure ring and counterdie; Working plate is imported from press one side, export from opposite side, place before and after injection vulcanizing press and the vacuum vulcanization press, the input port of vacuum vulcanization press is with same forwards to the input port of platform injection vulcanizing press, vacuum vulcanization press delivery outlet and injection vulcanizing press delivery outlet are with rearward, be arranged in parallel between the injection vulcanizing press, all have the driving mechanism with working plate output on the vacuum vulcanization press and second; The forward and backward side of press respectively is provided with one the delivery outlet of working plate along left and right directions from one of them press is sent to the intermediate transport mechanism of another press input port, forms thus from the vacuum vulcanization press through intermediate transport mechanism sealing moving loop to mould emptier to the working plate of vacuum vulcanization press through intermediate transport mechanism again to arbitrary the injection vulcanizing press; Mould emptier is across above the described intermediate transport mechanism in press the place ahead, and the working plate of process is carried out lock out operation; Counterdie in the diaphragm of rubber curing forming mold is fixed on the working plate, and pressure ring is sleeved on the counterdie, once vulcanizes with patrix to be fixed on the vacuum vulcanization press head, and post-cure is fixed on the injection vulcanizing press head with patrix; Described injection vulcanizing press is provided with injector, on the head of injection vulcanizing press runner plate is arranged fixedly all, runner plate is provided with the glue feeding opening that the gum outlet with described injector joins, and the lower surface of runner plate is provided with the flow path groove that an end and described glue feeding opening join; Described post-cure is installed on the lower surface of cope match-plate pattern with patrix, cope match-plate pattern is positioned at the runner plate below and can moves up and down and is installed on the guider, cope match-plate pattern and post-cure are with the hole for injecting glue that is provided with up/down perforation in the patrix, this hole for injecting glue lower end is positioned at post-cure with the radial outside of the die cavity of patrix, and and the die cavity of cope match-plate pattern between be provided with connectivity slot; Described working plate move make described counterdie and post-cure be in the matched moulds state with patrix after, after the corresponding upper surface in the above flow path groove of cope match-plate pattern and runner plate position of living in closely adheres on the runner plate, make described flow path groove form the runner of section sealing, simultaneously, described hole for injecting glue upper end joins with described runner, and forms thus from described glue feeding opening through described runner and the described hole for injecting glue glue injection channel to the die cavity of cope match-plate pattern; When working plate moves down die sinking, cope match-plate pattern carries post-cure and together moves down and finally hover over working plate with patrix and move down between the working plate and runner plate that puts in place, post-cure allows working plate to carry counterdie with the space of patrix below laterally to shift out together with wherein rubber, and the space between cope match-plate pattern and the runner plate is used for removing in the flow path groove and the residual rubber in the hole for injecting glue.
Further, described diaphragm of rubber curing forming mold is the multiple mode structure that includes some cover curing forming molds unit, comprise lower bolster, middle template, first cope match-plate pattern, second cope match-plate pattern, the counterdie in each unit, pressure ring, once sulfuration is separately positioned on lower bolster, middle template, first cope match-plate pattern and second cope match-plate pattern with patrix with patrix and post-cure.
Further, described flow path groove is two sections radial arrangement, and one section radial arrangement is that flow path groove is the radial axis correspondence of each described die cavity that extends in the position of described runner plate lower surface around described glue feeding opening; Two sections radial arrangement be gathering sill around die cavity axis correspondence in the position of runner plate lower surface, be radial and extend to each described hole for injecting glue correspondence on the die cavity of place in the position of runner plate lower surface.
Further, the axis of described hole for injecting glue parallels with the axis of described post-cure with patrix, and hole for injecting glue is the bellmouth that radial dimension reduces from the top down gradually.
Further, described guider is for being used for fixing described injection vulcanizing press and moving up and down four guide upright posts that guiding is provided for injecting the vulcanizing press head, four described guide upright posts are arranged in tetragonal four end points respectively, described cope match-plate pattern is nested with on guide upright post, and move up and down along guide upright post, described detent mechanism is to be arranged on the circumferential flange of guide upright post, and cope match-plate pattern moved down on the track when described flange was blocked in die sinking.
Further, described guider is the guide post of upper and lower settings, the upper end of described guide post is fixed on the described runner plate, described cope match-plate pattern is nested with on guide post and can moves up and down along guide post, described position-limit mechanism is to be arranged on the circumferential flange in guide post lower end, and described flange is positioned at runner plate and cope match-plate pattern the separating on the track of cope match-plate pattern when separating.
Further, described guider is the guide post of upper and lower settings, the lower end of described guide post is fixed on the described cope match-plate pattern, described runner plate is nested with on guide post and can moves up and down along guide post, described position-limit mechanism is to be arranged on the circumferential flange in guide post upper end, and described flange is positioned at runner plate and cope match-plate pattern the separating on the track of runner plate when separating.
Further, described guide post is the telescopic structure, and described telescopic extends when die sinking and packs up when matched moulds.
The present invention is by replacing the post-cure processing that the vacuum vulcanization press is finished diaphragm of rubber by the injection vulcanizing press on the streamlined process units of existing diaphragm of rubber, utilize injector that sizing material is injected die cavity, broken the limitation that behind intact sizing material, to carry out post-cure in the existing technology, the new approach of providing for the production of air chamber rubber barrier film, improved automaticity, reduced manually and drop into; And this shaped device is instant baking in material feeding, after having avoided the secondary material loading, mould causes the lower glue layer local deformation of the air chamber barrier film that has vulcanized when the extruding sizing material, make lower glue layer dislocation or uneven thickness, and then influences the situation generation of end product quality; Because flow path groove and hole for injecting glue temperature in sulfidation are higher, sizing material is subjected to heat cure simultaneously along with feeding in raw material in the high temperature runner, and stopping reinforced after coagulation obstruction, need to remove in the runner earlier again during injecting glue and residual rubber in the hole for injecting glue, and the mounting means that employing can separate up and down between runner plate and the cope match-plate pattern, be convenient to remove the rubber that remains in the runner exactly, can involve the rubber in the hole for injecting glue in the rubber in removing flow path groove, it is disengaging for the ease of rubber that hole for injecting glue arranges tapered.By guider is set cope match-plate pattern can not be dropped when the die sinking, be convenient to the immigration with next working plate of shifting out of working plate, when matched moulds, guider makes runner plate and cope match-plate pattern keep relative position constant, and then guarantees the sealing of flow path groove.The guider setting is the telescopic structure can be finished the pressing of runner plate and cope match-plate pattern or separate under the unallowed situation of steric requirements, especially have in the shelter above runner plate or below the cope match-plate pattern, and guider can't see through shelter and stretch out.The radial outside that the hole for injecting glue lower end is arranged in the die cavity of cope match-plate pattern can make diaphragm of rubber can not hurt the diaphragm of rubber body as much as possible in follow-up deburring process.In addition, the diaphragm of rubber curing forming mold is the multiple mode structure that includes some cover curing forming molds unit, can be at a plurality of diaphragm of rubber of time processing, and efficient significantly improves.
Description of drawings
Fig. 1 overlooks view for the present invention's shaped device that circulates;
Fig. 2 is the side-looking view of the vulcanizing press of injection shown in the sequence number 2 among Fig. 1;
Fig. 3 is the matched moulds view of diaphragm of rubber curing forming mold for multiple mode structure;
Fig. 4 is the vertical view of runner plate shown in the sequence number 101 among Fig. 3;
Fig. 5 is the schematic diagram of second kind of structure for guider shown in the sequence number 111 among Fig. 3;
Fig. 6 is that guider shown in the sequence number 111 is the schematic diagram of the third structure among Fig. 3;
Fig. 7 is the schematic diagram of the 4th kind of structure for guider shown in the sequence number 111 among Fig. 3;
Fig. 8 is the matched moulds view of single mode structure for the diaphragm of rubber curing forming mold;
Fig. 9 is the vertical view of runner plate shown in the sequence number 101 among Fig. 8.
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The specific embodiment
Below in conjunction with the drawings and specific embodiments the present invention is elaborated.
As Fig. 1-shown in Figure 4; rubber diaphragm of automobile brake chamber circulation shaped device of the present invention comprises a vacuum vulcanization press 1; three injection vulcanizing press 2; mould emptier 3 and diaphragm of rubber curing forming mold; the diaphragm of rubber curing forming mold is the multiple mode structure that includes quadruplet curing forming mold unit; comprise lower bolster 104; middle template 103; first cope match-plate pattern; second cope match-plate pattern 102, the counterdie 106 in each unit; pressure ring 107; once sulfuration is separately positioned on lower bolster 104 with patrix and post-cure with 105 pairs of patrixes; middle template 103; on first cope match-plate pattern and second cope match-plate pattern 102.
Because flow path groove 108 and hole for injecting glue 109 temperature in sulfidation are higher, meeting frozen plug after sizing material stops to flow in the high temperature runner, need to remove in the runner 108 earlier again during injecting glue and residual rubber in the hole for injecting glue 109, and the mounting means that employing can separate up and down between runner plate 101 and second cope match-plate pattern 102, be convenient to remove the rubber that remains in the runner exactly, can involve the rubber in the hole for injecting glue 109 in the rubber in removing flow path groove 108, it is disengaging for the ease of rubber that hole for injecting glue 109 arranges tapered.
Certainly, the form that arranges of guider 111 can have second kind, see Fig. 5, guider 111 is the guide post of upper and lower settings, the upper end of guide post is fixed on the runner plate 101, second cope match-plate pattern 102 is nested with on guide post and can moves up and down along guide post, and position-limit mechanism 112 is for being arranged on the circumferential flange in guide post lower end, and flange is positioned at runner plate 101 and second cope match-plate pattern 102 the separating on the track of second cope match-plate pattern 102 when separating.This setup is adapted at that there are enough spaces the below of lower bolster 104 behind the matched moulds, can not block guide post, perhaps offers the hole of stretching out for guide post at shelter.
The form that arranges of guider 111 can also have the third, see Fig. 6, guider 111 is the guide post of upper and lower settings, the lower end of guide post is fixed on second cope match-plate pattern 102, runner plate 101 is nested with on guide post and can moves up and down along guide post, position-limit mechanism 112 is for being arranged on circumferential flange on the guide post, and flange is positioned at runner plate 101 and second cope match-plate pattern 102 the separating on the track of runner plate 101 when separating.This setup is adapted at that there are enough spaces the top of runner plate 101 behind the matched moulds, can not block guide post, perhaps offers the hole of stretching out for guide post at shelter.
The form that arranges of guider 111 can also have the 4th kind, see Fig. 7, guider is for being used for fixing injection vulcanizing press 2 and moving up and down four guide upright posts 13 that guiding is provided for injecting the vulcanizing press head, four described guide upright posts 13 are arranged in tetragonal four end points respectively, second cope match-plate pattern 102 is nested with on guide upright post 13, and move up and down along guide upright post 13, detent mechanism 102 is for being arranged on the circumferential flange of guide upright post 13, and second cope match-plate pattern 102 moved down on the track when flange was blocked in die sinking.
Perhaps, the diaphragm of rubber curing forming mold can also be the single mode structure, and as Fig. 8, the single mode structure is basic identical with multiple membrane structure, and difference is that the single mode structure has only comprised a cover curing forming mold unit.To be 6 roads be the groove structure of radial arrangement around described glue feeding opening to flow path groove 108 in the single mode structure on the runner plate 101, sees Fig. 9.
This combination of certain vacuum vulcanization press and three injection vulcanizing press can improve the service efficiency of every equipment in process time of vacuum vulcanization press during for 3 times of injection vulcanizing press, if be injection 4 times, 5 times of vulcanizing press even when higher in the process time of vacuum vulcanization press, also can cooperate 4,5 even more s' injection vulcanizing press use with a vacuum vulcanization press.
Referring to Fig. 1, on the sealing moving loop of working plate 5, have four transfer bogiies 4, the quantity of certain also dolly can reduce also and can increase according to the cure time of guide rail 7 length and every press, the following describes its operation process:
1) dolly 4 that is arranged in place, vacuum vulcanization press 1 input port utilizes its driving mechanism that the working plate 5 on the dolly 4 is outputed to vacuum vulcanization press 1;
2) sizing material and the canvas in 1 pair of working plate 11 mold of vacuum vulcanization press carries out vulcanizing treatment one time, and after processing finished, vacuum vulcanization press 1 utilized self driving mechanism working plate 5 to be outputed on the dolly 4 that is positioned at vacuum vulcanization press equipped at outlet port;
3) dolly 4 is transported to working plate 5 on the wherein platform of three injection vulcanizing press 2, be sent to the processing progress which platform injection vulcanizing press 2 depends on three injection vulcanizing press 2, be sent to processing progress that injection vulcanizing press 2 faster, this logic is judged can be by artificial or programme-control;
4) the injection vulcanizing press 100 pair working plates 5 mold injecting glues of injection on the vulcanizing press 2, and carry out post-cure and handle output to working plate 5 on the dolly 4 that is positioned at its equipped at outlet port by self driving mechanism after finishing;
5) dolly 4 carries working plate 5 and moves to mould emptier 3, after moving into place, by self driving mechanism working plate 5 is outputed on the mould emptier 3;
6) mould emptier 3 utilizes wherein the template lifting device that middle template is promoted to break away from lower bolster, take out the diaphragm of rubber finished product by operating personnel, and after putting into a new vulcanized rubber and canvas in the counterdie, middle template relay get back on the lower bolster, finally demould mechanism 3 outputs to working plate 5 on the dolly 4 that is positioned at its equipped at outlet port by self driving mechanism;
7) dolly 4 carries working plate 5 to place, vacuum vulcanization press 1 input port, waits for the beginning of next diaphragm of rubber process-cycle.
Above-mentioned example just is used for explanation the present invention, and embodiments of the present invention are not limited to these examples, and the various specific embodiment that meet inventive concept that those skilled in the art make are all within protection scope of the present invention.
Claims (8)
1. rubber diaphragm of automobile brake chamber circulation shaped device, this shaped device comprises a vacuum vulcanization press, at least three injections vulcanizing press, mould emptiers, diaphragm of rubber curing forming mold, wherein, the vacuum vulcanization press is used for a vulcanizing treatment of diaphragm of rubber, the injection vulcanizing press is used for the post-cure of diaphragm of rubber to be handled, and mould emptier is used for the lock out operation of diaphragm of rubber curing forming mold pressure ring and counterdie; Working plate is imported from press one side, export from opposite side, place before and after injection vulcanizing press and the vacuum vulcanization press, the input port of vacuum vulcanization press is with same forwards to the input port of platform injection vulcanizing press, vacuum vulcanization press delivery outlet and injection vulcanizing press delivery outlet are with rearward, be arranged in parallel between the injection vulcanizing press, all have the driving mechanism with working plate output on the vacuum vulcanization press and second; The forward and backward side of press respectively is provided with one the delivery outlet of working plate along left and right directions from one of them press is sent to the intermediate transport mechanism of another press input port, forms thus from the vacuum vulcanization press through intermediate transport mechanism sealing moving loop to mould emptier to the working plate of vacuum vulcanization press through intermediate transport mechanism again to arbitrary the injection vulcanizing press; Mould emptier is across above the described intermediate transport mechanism in press the place ahead, and the working plate of process is carried out lock out operation; Counterdie in the diaphragm of rubber curing forming mold is fixed on the working plate, and pressure ring is sleeved on the counterdie, once vulcanizes with patrix to be fixed on the vacuum vulcanization press head, and post-cure is fixed on the injection vulcanizing press head with patrix; It is characterized in that: described injection vulcanizing press is provided with injector, on the head of injection vulcanizing press runner plate is arranged fixedly all, runner plate is provided with the glue feeding opening that the gum outlet with described injector joins, and the lower surface of runner plate is provided with the flow path groove that an end and described glue feeding opening join; Described post-cure is installed on the lower surface of cope match-plate pattern with patrix, cope match-plate pattern is positioned at the runner plate below and can moves up and down and is installed on the guider, cope match-plate pattern and post-cure are with the hole for injecting glue that is provided with up/down perforation in the patrix, this hole for injecting glue lower end is positioned at post-cure with the radial outside of the die cavity of patrix, and and the die cavity of cope match-plate pattern between be provided with connectivity slot; Described working plate move make described counterdie and post-cure be in the matched moulds state with patrix after, after the corresponding upper surface in the above flow path groove of cope match-plate pattern and runner plate position of living in closely adheres on the runner plate, make described flow path groove form the runner of section sealing, simultaneously, described hole for injecting glue upper end joins with described runner, and forms thus from described glue feeding opening through described runner and the described hole for injecting glue glue injection channel to the die cavity of cope match-plate pattern; When working plate moves down die sinking, cope match-plate pattern carries post-cure and together moves down and finally hover over working plate with patrix and move down between the working plate and runner plate that puts in place, post-cure allows working plate to carry counterdie with the space of patrix below laterally to shift out together with wherein rubber, and the space between cope match-plate pattern and the runner plate is used for removing in the flow path groove and the residual rubber in the hole for injecting glue.
2. rubber diaphragm of automobile brake chamber circulation shaped device as claimed in claim 1, it is characterized in that: described diaphragm of rubber curing forming mold is the multiple mode structure that includes some cover curing forming molds unit, comprise lower bolster, middle template, first cope match-plate pattern, second cope match-plate pattern, the counterdie in each unit, pressure ring, once sulfuration is separately positioned on lower bolster, middle template, first cope match-plate pattern and second cope match-plate pattern with patrix with patrix and post-cure.
3. rubber diaphragm of automobile brake chamber circulation shaped device as claimed in claim 2, it is characterized in that: described flow path groove is two sections radial arrangement, and one section radial arrangement is that flow path groove is the radial axis correspondence of each described die cavity that extends in the position of described runner plate lower surface around described glue feeding opening; Two sections radial arrangement be gathering sill around die cavity axis correspondence in the position of runner plate lower surface, be radial and extend to each described hole for injecting glue correspondence on the die cavity of place in the position of runner plate lower surface.
4. rubber diaphragm of automobile brake chamber circulation shaped device as claimed in claim 1, it is characterized in that: the axis of described hole for injecting glue parallels with the axis of described post-cure with patrix, and hole for injecting glue is the bellmouth that radial dimension reduces from the top down gradually.
5. rubber diaphragm of automobile brake chamber circulation shaped device as claimed in claim 1, it is characterized in that: described guider is for being used for fixing described injection vulcanizing press and moving up and down four guide upright posts that guiding is provided for injecting the vulcanizing press head, four described guide upright posts are arranged in tetragonal four end points respectively, described cope match-plate pattern is nested with on guide upright post, and move up and down along guide upright post, described detent mechanism is to be arranged on the circumferential flange of guide upright post, and cope match-plate pattern moved down on the track when described flange was blocked in die sinking.
6. rubber diaphragm of automobile brake chamber circulation shaped device as claimed in claim 1, it is characterized in that: described guider is the guide post of upper and lower settings, the upper end of described guide post is fixed on the described runner plate, described cope match-plate pattern is nested with on guide post and can moves up and down along guide post, described position-limit mechanism is to be arranged on the circumferential flange in guide post lower end, and described flange is positioned at runner plate and cope match-plate pattern the separating on the track of cope match-plate pattern when separating.
7. rubber diaphragm of automobile brake chamber circulation shaped device as claimed in claim 1, it is characterized in that: the lower end of described guide post is fixed on the described cope match-plate pattern, described runner plate is nested with on guide post and can moves up and down along guide post, described position-limit mechanism is to be arranged on the circumferential flange in guide post upper end, and described flange is positioned at runner plate and cope match-plate pattern the separating on the track of runner plate when separating.
8. as claim 6 or 7 described rubber diaphragm of automobile brake chamber circulation shaped devices, it is characterized in that: described guide post is the telescopic structure, and described telescopic extends when die sinking and packs up when matched moulds.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310133297.4A CN103203819B (en) | 2013-04-17 | 2013-04-17 | Circular moulding device of rubber diaphragms for automobile brake chambers |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310133297.4A CN103203819B (en) | 2013-04-17 | 2013-04-17 | Circular moulding device of rubber diaphragms for automobile brake chambers |
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| CN103203819A true CN103203819A (en) | 2013-07-17 |
| CN103203819B CN103203819B (en) | 2015-04-08 |
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| CN201310133297.4A Active CN103203819B (en) | 2013-04-17 | 2013-04-17 | Circular moulding device of rubber diaphragms for automobile brake chambers |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5839420A (en) * | 1981-09-04 | 1983-03-08 | Showa Denko Kk | Method for molding inflation film |
| CN201380559Y (en) * | 2009-04-02 | 2010-01-13 | 潘伟润 | Tire mold with injecting mechanism |
| CN101973096A (en) * | 2010-09-20 | 2011-02-16 | 宁国市海天力工业发展有限公司 | Secondary vulcanization forming device of rubber diaphragms for brake chamber in automobiles |
| CN101987491A (en) * | 2010-11-12 | 2011-03-23 | 宁国市海天力工业发展有限公司 | Rubber diaphragm circulation secondary vulcanizing device of automobile brake air chamber |
-
2013
- 2013-04-17 CN CN201310133297.4A patent/CN103203819B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5839420A (en) * | 1981-09-04 | 1983-03-08 | Showa Denko Kk | Method for molding inflation film |
| CN201380559Y (en) * | 2009-04-02 | 2010-01-13 | 潘伟润 | Tire mold with injecting mechanism |
| CN101973096A (en) * | 2010-09-20 | 2011-02-16 | 宁国市海天力工业发展有限公司 | Secondary vulcanization forming device of rubber diaphragms for brake chamber in automobiles |
| CN101987491A (en) * | 2010-11-12 | 2011-03-23 | 宁国市海天力工业发展有限公司 | Rubber diaphragm circulation secondary vulcanizing device of automobile brake air chamber |
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| CN103203819B (en) | 2015-04-08 |
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