CN109760241B - Rubber bushing vulcanizing mold - Google Patents
Rubber bushing vulcanizing mold Download PDFInfo
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- CN109760241B CN109760241B CN201910098502.5A CN201910098502A CN109760241B CN 109760241 B CN109760241 B CN 109760241B CN 201910098502 A CN201910098502 A CN 201910098502A CN 109760241 B CN109760241 B CN 109760241B
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Abstract
The invention discloses a rubber bushing vulcanizing mold, wherein a plurality of clutch mechanisms are arranged between a first upper mold plate and a second upper mold plate and are used for bouncing and connecting the first upper mold plate and the second upper mold plate all the time, an upper mold insert is embedded into the first upper mold plate, a plurality of second upper cavities are arranged on the second upper mold plate, a plurality of middle cavities are arranged on the middle mold plate, a plurality of lower cavities for fixedly installing lower mold inserts are arranged on the lower mold plate, part of the upper mold insert extends into the second upper cavities, part of the lower mold insert extends into the middle cavities, a plurality of rubber discharge ports are arranged at the intersection of the upper end of the lower mold insert and an outer tube at intervals, and a rubber containing groove communicated with the rubber discharge ports is arranged on the middle mold plate; the lining is prevented from being hung on the second upper template when the mold is opened, so that the mold is opened and the workpiece is taken out conveniently; the excessive rubber materials and gas are discharged into the rubber containing groove through the rubber discharge port, the rubber sealing is facilitated, the work of trimming the waste edges at the later stage is omitted, the quality and the qualification rate of the bushing are improved, and the labor intensity of workers is reduced.
Description
Technical Field
The invention relates to a vulcanization mold, in particular to a rubber bushing vulcanization mold.
Background
A large number of modern automobile parts adopt flexible connections such as rubber bushings and the like to meet the requirements of vehicle shock absorption and noise reduction. The conventional bushing comprises 2 inserts, namely an outer tube and an inner tube with gear hobbing carburizing iron, and the manufacturing process comprises the steps of firstly respectively arranging the 2 inserts into a cavity in a rubber bushing vulcanization mold, and then vulcanizing and bonding the inserts and rubber together through a vulcanization process.
The existing rubber bushing vulcanizing mold comprises a sprue bush, a runner plate, an upper mold insert, a middle mold plate, a lower mold insert and a base plate. The upper die plate is provided with a plurality of upper die cavities for mounting the upper die inserts, the middle die plate is provided with a plurality of positioning cavities for mounting the outer tubes and the inner tubes, the lower die plate is provided with a plurality of lower die cavities for mounting the lower die inserts, the outer tubes and the inner tubes are compressed between the upper die inserts and the lower die inserts, and the upper die is also provided with glue sealing ribs. Although the rubber bushing vulcanizing mold adopting the structure also designs the glue sealing ribs at the intersection of the upper mold insert and the inner tube, the hardness of the inner tube is high (HRC 40-42), the inner tube can not be pressed by the mold due to too hard inner tube, and the mold is easy to wear, and the upper end surface of the inner tube is provided with 0.5mm deep teeth, and rubber is difficult to seal due to the characteristic that the rubber has no hole and can not be inserted, and rubber materials can easily enter the inner hole of the inner tube in the injection process. Therefore, the inner tube and the upper template are easily clamped or hung on the upper template in the die opening process in the vulcanization process, the number of the waste edges is large even if the taken-out product is opened, the work of repairing the waste edges is carried out on the finished product, and the production efficiency is reduced.
Disclosure of Invention
The invention aims to solve the technical problem of providing the rubber bushing vulcanizing mold which is convenient for mold opening, high in production efficiency and capable of preventing the bushing from hanging the mold.
The technical scheme adopted by the invention for solving the technical problems is as follows: a rubber bushing vulcanizing mold comprises a runner plate, an upper template, a middle template, a lower template, an upper mold insert and a lower mold insert which are sequentially arranged from top to bottom, wherein the upper template comprises a first upper template and a second upper template, a plurality of clutch mechanisms are arranged between the first upper template and the second upper template and are used for bouncing and always connecting the first upper template and the second upper template, a plurality of first upper cavities used for fixing the upper mold insert are arranged on the first upper template, a plurality of second upper cavities are arranged on the second upper template, a plurality of middle cavities are arranged on the middle template, a plurality of lower cavities used for fixedly installing the lower mold insert are arranged on the lower template, the lower end of the upper mold insert extends into the second upper cavity, and the lower mold insert partially extends into the middle cavities, the upper die insert and the lower die insert are tightly pressed between the inner tube of the bushing and the outer tube of the bushing, a plurality of glue discharging openings are formed in the intersection of the upper end of the lower die insert and the outer tube at intervals, and a glue containing groove communicated with the glue discharging openings is formed in the middle die plate.
The outer wall of the outer pipe, the inner wall of the second upper cavity and the inner wall of the middle cavity enclose a cavity, and the cavity is communicated with the glue containing groove and the glue discharging opening respectively. The waste glue and the redundant gas are favorably discharged into the glue containing groove, and the buffer function is realized.
The number of the glue discharging openings is two, the width of each glue discharging opening is 0.5-0.9mm, and the depth of each glue discharging opening is 0.1-0.5 mm. The rubber liner can discharge redundant rubber, prevent the rubber from flowing to the end face of the inner pipe and the inner wall of the inner pipe to form waste rubber, discharge redundant gas and prevent the occurrence of rotten bubbles on a vulcanized finished product liner.
The width of the glue discharging port is 0.7mm, and the depth of the glue discharging port is 0.3 mm. The rubber discharge port with the size can discharge redundant gas and rubber, and after 5 to 8 seconds of discharge, the rubber can be solidified to block the rubber discharge port, so that the pressure in the die cavity is ensured, the pressure is not released, and the quality of a product vulcanized in the cavity is ensured.
The clutch mechanism comprises an elastic separating part and a connecting component, the elastic separating part is arranged between the first upper template and the second upper template, the connecting component comprises a connecting rod, a screw rod and a connecting block, a first jack is arranged on the first upper template, a second jack is arranged on the second upper template, a guide hole is arranged on the middle template, the connecting rod sequentially penetrates through the first jack and the second jack and extends into the guide hole, the connecting block is fixed at the lower end of the connecting rod through the screw rod, an annular boss protruding upwards is arranged on the connecting block, the outer wall of the lower end of the connecting rod is coated by the annular boss, a first limiting groove recessed upwards is arranged on the lower bottom surface of the second upper template, the length of the connecting rod is greater than the sum of the thicknesses of the first upper template and the second upper template, when first cope match-plate pattern with the second cope match-plate pattern pressfitting, annular boss's up end with the bottom surface of first spacing groove between have a clearance, work as first cope match-plate pattern with the second cope match-plate pattern when separating, the connecting rod along with first cope match-plate pattern shift up drive the connecting block move up to annular boss chucking first spacing groove.
In the structure, the connecting rod, the screw rod and the connecting block are adopted to connect the first upper template and the second upper template, when the first upper template and the second upper template are pressed, a gap is formed between the upper end surface of the annular boss and the bottom surface of the first limiting groove, after the runner plate is removed, the elastic separating piece quickly separates the first upper template from the second upper template, the connecting rod drives the connecting block to move upwards to the first limiting groove clamped by the annular boss along with the upward movement of the first upper template, enough space is provided for the elastic separating piece to separate the first upper template from the second upper template, meanwhile, the second upper template can be hung on the first upper template all the time, enough elastic opening force is provided for the separation of the upper mold insert and the bush, the bush is prevented from being clamped or hung on the second upper template, the bush is left in the middle template, and the mold opening is facilitated.
The upper end of connecting rod be provided with the outside bulge loop that extends, the upper surface of first cope match-plate pattern on be provided with the second spacing groove of undercut, the bulge loop card go into the second spacing inslot. When the first upper template is lifted, the connecting rod is hung on the first upper template.
The aperture of the second jack is larger than the diameter of the connecting rod. The connecting rod is convenient to smoothly reciprocate along the second jack, and the elastic separating piece is favorable for bouncing off the first upper template and the second upper template smoothly.
The elastic separation piece be the spring, the lower surface of first cope match-plate pattern on be provided with the mounting groove, the upper surface of second cope match-plate pattern on be provided with down the mounting groove, last mounting groove with lower mounting groove set up relatively, the spring setting be in last mounting groove with the spring installation intracavity that encloses of lower mounting groove.
The middle part of the upper die insert is provided with a limiting arm extending outwards, the lower bottom surface of the limiting arm is abutted against the second upper die plate, the lower end of the upper die insert is in a circular truncated cone shape with a large upper part and a small lower part, and the upper end of the second upper die cavity is matched with the lower end of the upper die insert. The limiting arm is favorable for limiting the upper mold insert, and the upper end of the second upper cavity is matched with the lower end of the upper mold insert, so that the upper mold insert and the inner tube and the outer tube of the bushing are separated.
Two opposite sides of the first upper template extend out of the second upper template. The edge thickness of the upper template is reduced, and the first upper template is convenient to hoist.
Compared with the prior art, the invention has the advantages that the upper template is divided into the first upper template and the second upper template, the lower end of the upper template insert extends into the second cavity of the second upper template and is used for pressing the inner pipe and the outer pipe of the bushing tightly, and a plurality of clutch mechanisms are arranged between the first upper template and the second upper template and are used for bouncing and always connecting the first upper template and the second upper template, so that the runner plate is placed on the first upper template and presses the second upper template tightly during vulcanization, and the clutch mechanisms are folded to enable the first upper template to be tightly pressed on the second upper template, thereby ensuring that the vulcanization is normally carried out; when the mold is opened, the runner plate is taken down, the clutch mechanism bounces open to quickly separate the first upper template and the second upper template and enable the second upper template to be hung on the first upper template, so that the upper mold insert is separated from the inner pipe and the outer pipe of the bushing, the bushing is left in the middle template, the bushing is prevented from being hung on the second upper template when the mold is opened, and the mold opening and the part taking are facilitated;
because the intersection of the upper end of the lower die insert and the outer pipe is provided with a plurality of glue discharging ports at intervals, and the middle die plate is provided with the glue containing groove communicated with the glue discharging ports, the excessive glue and the excessive gas are discharged into the glue containing groove through the glue discharging ports, the end surface of the inner pipe of the hobbing type does not have waste glue any more, the problem that glue cannot be sealed is solved, the work of trimming waste edges at the later stage is omitted, the labor intensity of workers is greatly reduced, and the burden of the workers is reduced; because the redundant gas between the inner pipe and the outer pipe is discharged, the problem of rotten bubbles of the rubber product caused by gas residue is greatly reduced, the surface quality problem of the product is solved, and the quality and the qualification rate of the bushing are improved;
in addition, redundant sizing materials are prevented from entering an inner hole of the inner tube, the inner tube and the second upper template are further prevented from being clamped when the mold is opened, or the bushing is left in the second upper cavity and cannot be taken down, the problem that the mold is hung on a product is effectively solved, and the device has the advantages of being reasonable in structure, convenient to use and fast.
Drawings
FIG. 1 is a perspective view of the present invention;
FIG. 2 is a cross-sectional view of the present invention;
FIG. 3 is a cross-sectional view of the present invention;
FIG. 4 is an enlarged view taken at A in FIG. 3;
FIG. 5 is an enlarged view of a portion of the upper die plate, middle die plate, lower die plate, upper die insert, lower die insert and bushing of the present invention after assembly;
FIG. 6 is an enlarged view at B in FIG. 5;
FIG. 7 is a cross-sectional view of the first cope match plate and the second cope match plate after assembly;
FIG. 8 is a perspective view of the lower mold insert;
FIG. 9 is a top view of the lower mold insert;
FIG. 10 is an enlarged view at C of FIG. 9;
FIG. 11 is a cross-sectional view of a lower mold insert;
FIG. 12 is an enlarged view at D of FIG. 11;
fig. 13 is a partially enlarged view of the assembled middle and lower mold inserts.
Detailed Description
The invention is described in further detail below with reference to the accompanying examples.
The first embodiment is as follows: as shown in the figure, the rubber bushing vulcanizing mold comprises a runner plate 1, an upper template 2, a middle template 3, a lower template 4, an upper template insert 5 and a lower template insert 6 which are sequentially arranged from top to bottom, wherein a sprue bush 7 and a plurality of runners 8 are arranged on the runner plate 1, a glue inlet of the runner 8 is communicated with the sprue bush 7, a glue outlet of the runner 8 is communicated with the corresponding upper template insert 5, the upper template 2 comprises a first upper template 21 and a second upper template 22, a plurality of clutch mechanisms are arranged between the first upper template 21 and the second upper template 22 and used for bouncing off and are always connected with the first upper template 21 and the second upper template 22, a plurality of first upper cavities 9 used for fixing the upper template inserts 5 are arranged on the first upper template 21, a plurality of second upper cavities 10 with positions and numbers corresponding to the first upper cavities 9 one by one are arranged on the second upper template 22, a plurality of middle cavities 11 with positions and numbers corresponding to the second upper cavities 10 one by one are arranged on the middle template 3, the lower die plate 4 is provided with a plurality of lower cavities 12 for fixedly mounting lower die inserts 6, the positions and the number of the lower cavities 12 correspond to those of the middle cavities 11 one by one, the lower end of each upper die insert 5 extends into the second upper cavity 10, the lower die insert 6 partially extends into the middle cavity 11, the inner tube 13 of each bushing and the outer tube 14 of each bushing are tightly pressed between each upper die insert 5 and the corresponding lower die insert 6, a plurality of glue discharging ports 61 are arranged at the intersection of the upper end of each lower die insert 6 and the outer tube 14 at intervals, the middle die plate 3 is provided with a glue containing groove 31 communicated with the glue discharging ports 61, the outer wall of each outer tube 14, the inner wall of the second upper cavity 10 and the inner wall of the middle cavity 11 enclose a clearance cavity 15, the clearance cavity 15 is respectively communicated with the glue containing groove 31 and the glue discharging ports 61, the width B of the glue discharging ports 61 is 0.5mm, and the depth H of the glue discharging.
Example two: as shown in the figure, the rubber bushing vulcanizing mold comprises a runner plate 1, an upper template 2, a middle template 3, a lower template 4, an upper template insert 5 and a lower template insert 6 which are sequentially arranged from top to bottom, wherein a sprue bush 7 and a plurality of runners 8 are arranged on the runner plate 1, a glue inlet of the runner 8 is communicated with the sprue bush 7, a glue outlet of the runner 8 is communicated with the corresponding upper template insert 5, the upper template 2 comprises a first upper template 21 and a second upper template 22, a plurality of clutch mechanisms are arranged between the first upper template 21 and the second upper template 22 and used for bouncing off and are always connected with the first upper template 21 and the second upper template 22, a plurality of first upper cavities 9 used for fixing the upper template inserts 5 are arranged on the first upper template 21, a plurality of second upper cavities 10 with positions and numbers corresponding to the first upper cavities 9 one by one are arranged on the second upper template 22, a plurality of middle cavities 11 with positions and numbers corresponding to the second upper cavities 10 one by one are arranged on the middle template 3, the lower die plate 4 is provided with a plurality of lower cavities 12 for fixedly mounting lower die inserts 6, the positions and the number of the lower cavities 12 correspond to those of the middle cavities 11 one by one, the lower end of each upper die insert 5 extends into the second upper cavity 10, the lower die insert 6 partially extends into the middle cavity 11, the inner tube 13 of each bushing and the outer tube 14 of each bushing are tightly pressed between each upper die insert 5 and the corresponding lower die insert 6, a plurality of glue discharging ports 61 are arranged at the intersection of the upper end of each lower die insert 6 and the outer tube 14 at intervals, the middle die plate 3 is provided with a glue containing groove 31 communicated with the glue discharging ports 61, the outer wall of each outer tube 14, the inner wall of the second upper cavity 10 and the inner wall of the middle cavity 11 enclose a clearance cavity 15, the clearance cavity 15 is respectively communicated with the glue containing groove 31 and the glue discharging ports 61, the width B of the glue discharging ports 61 is 0.7mm, and the depth H of the glue discharging.
Example three: as shown in the figure, the rubber bushing vulcanizing mold comprises a runner plate 1, an upper template 2, a middle template 3, a lower template 4, an upper template insert 5 and a lower template insert 6 which are sequentially arranged from top to bottom, wherein a sprue bush 7 and a plurality of runners 8 are arranged on the runner plate 1, a glue inlet of the runner 8 is communicated with the sprue bush 7, a glue outlet of the runner 8 is communicated with the corresponding upper template insert 5, the upper template 2 comprises a first upper template 21 and a second upper template 22, a plurality of clutch mechanisms are arranged between the first upper template 21 and the second upper template 22 and used for bouncing off and are always connected with the first upper template 21 and the second upper template 22, a plurality of first upper cavities 9 used for fixing the upper template inserts 5 are arranged on the first upper template 21, a plurality of second upper cavities 10 with positions and numbers corresponding to the first upper cavities 9 one by one are arranged on the second upper template 22, a plurality of middle cavities 11 with positions and numbers corresponding to the second upper cavities 10 one by one are arranged on the middle template 3, the lower die plate 4 is provided with a plurality of lower cavities 12 for fixedly mounting lower die inserts 6, the positions and the number of the lower cavities 12 correspond to those of the middle cavities 11 one by one, the lower end of each upper die insert 5 extends into the second upper cavity 10, the lower die insert 6 partially extends into the middle cavity 11, the inner tube 13 of each bushing and the outer tube 14 of each bushing are tightly pressed between each upper die insert 5 and the corresponding lower die insert 6, a plurality of glue discharging ports 61 are arranged at the intersection of the upper end of each lower die insert 6 and the outer tube 14 at intervals, the middle die plate 3 is provided with a glue containing groove 31 communicated with the glue discharging ports 61, the outer wall of each outer tube 14, the inner wall of the second upper cavity 10 and the inner wall of the middle cavity 11 enclose a clearance cavity 15, the clearance cavity 15 is respectively communicated with the glue containing groove 31 and the glue discharging ports 61, the width B of the glue discharging ports 61 is 0.9mm, and the depth H of the glue discharging.
The fourth embodiment is the same as the first, second or third embodiments in other structures, and the difference is that: the clutch mechanism comprises an elastic separating part and a connecting assembly, the elastic separating part is arranged between a first upper template 21 and a second upper template 22, the connecting assembly comprises a connecting rod 16, a screw rod 17 and a connecting block 18, a first jack 211 is arranged on the first upper template 21, a second jack 221 is arranged on the second upper template 22, the aperture D of the second jack 221 is larger than the diameter D of the connecting rod 16, a guide hole 32 is arranged on the middle template 3, the connecting rod 16 sequentially penetrates through the first jack 211 and the second jack 221 and extends into the guide hole 32, the connecting block 18 is fixed at the lower end of the connecting rod 16 through the screw rod 17, an annular boss 181 which protrudes upwards is arranged on the connecting block 18, the outer wall of the lower end of the connecting rod 16 is covered by the annular boss 181, a first limiting groove 222 which recesses upwards is arranged on the lower bottom surface of the second upper template 22, when the first upper template 21 and the second upper template 22 are pressed, a gap is formed between the upper end surface of the annular boss 181 and the, when the first upper mold plate 21 is separated from the second upper mold plate 22, the connecting rod 16 moves upward along with the first upper mold plate 21 to drive the connecting block 18 to move upward to the annular boss 181 to clamp the first limiting groove 222.
In this embodiment, the upper end of the connecting rod 16 is provided with an outwardly extending convex ring 161, the upper surface of the first upper mold plate 21 is provided with a second limiting groove 212 which is concave downwards, and the convex ring 161 is clamped in the second limiting groove 212.
In this embodiment, the elastic separating member is a spring 19, an upper mounting groove 213 is formed on the lower surface of the first upper mold plate 21, a lower mounting groove 223 is formed on the upper surface of the second upper mold plate 22, the upper mounting groove 213 is disposed opposite to the lower mounting groove 223, and the spring 19 is disposed in a spring mounting cavity defined by the upper mounting groove 213 and the lower mounting groove 223.
In the fifth embodiment, the other structure is the same as that of the fourth embodiment, except that a limiting arm 51 extending outward is disposed in the middle of the upper mold insert 5, the lower bottom surface of the limiting arm 51 abuts against the second upper mold plate 22, the lower end of the upper mold insert 5 is in a truncated cone shape with a large top and a small bottom, and the upper end of the second upper cavity 10 is matched with the lower end of the upper mold insert 5.
In this embodiment, the first upper mold plate 21 extends beyond the second upper mold plate 22 on opposite sides thereof.
Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.
Claims (8)
1. A rubber bushing vulcanizing mold comprises a runner plate, an upper template, a middle template, a lower template, an upper mold insert and a lower mold insert which are sequentially arranged from top to bottom, and is characterized in that the upper template comprises a first upper template and a second upper template, a plurality of clutch mechanisms are arranged between the first upper template and the second upper template and are used for bouncing and are always connected with the first upper template and the second upper template, a plurality of first upper cavities used for fixing the upper mold insert are arranged on the first upper template, a plurality of second upper cavities are arranged on the second upper template, a plurality of middle cavities are arranged on the middle template, a plurality of lower cavities used for fixedly installing the lower mold insert are arranged on the lower template, the lower end of the upper mold insert extends into the second upper cavity, and the lower mold insert partially extends into the middle cavities, an inner pipe of the bushing and an outer pipe of the bushing are tightly pressed between the upper die insert and the lower die insert, a plurality of glue discharging openings are arranged at the intersection of the upper end of the lower die insert and the outer pipe at intervals, and a glue containing groove communicated with the glue discharging openings is arranged on the middle die plate;
the outer wall of the outer pipe, the inner wall of the second upper cavity and the inner wall of the middle cavity enclose a cavity avoiding cavity, and the cavity avoiding cavity is respectively communicated with the glue containing groove and the glue discharging port;
the clutch mechanism comprises an elastic separating part and a connecting component, the elastic separating part is arranged between the first upper template and the second upper template, the connecting component comprises a connecting rod, a screw rod and a connecting block, a first jack is arranged on the first upper template, a second jack is arranged on the second upper template, a guide hole is arranged on the middle template, the connecting rod sequentially penetrates through the first jack and the second jack and extends into the guide hole, the connecting block is fixed at the lower end of the connecting rod through the screw rod, an annular boss protruding upwards is arranged on the connecting block, the outer wall of the lower end of the connecting rod is coated by the annular boss, a first limiting groove recessed upwards is arranged on the lower bottom surface of the second upper template, the length of the connecting rod is greater than the sum of the thicknesses of the first upper template and the second upper template, when first cope match-plate pattern with the second cope match-plate pattern pressfitting, annular boss's up end with the bottom surface of first spacing groove between have a clearance, work as first cope match-plate pattern with the second cope match-plate pattern when separating, the connecting rod along with first cope match-plate pattern shift up drive the connecting block move up to annular boss chucking first spacing groove.
2. The vulcanization mold for rubber bushings according to claim 1, characterized in that said rubber ejection openings are two, the width of said rubber ejection openings is 0.5-0.9mm, and the depth of said rubber ejection openings is 0.1-0.5 mm.
3. A rubber bushing vulcanization mold according to claim 2, characterized in that the width of said gate is 0.7mm and the depth of said gate is 0.3 mm.
4. The vulcanization mold for rubber bushings according to claim 1, characterized in that the upper end of the connecting rod is provided with an outwardly extending collar, the upper surface of the first upper mold plate is provided with a second limiting groove recessed downward, and the collar is snapped into the second limiting groove.
5. A rubber bushing vulcanization mold according to claim 1, characterized in that the second receptacle has a bore diameter larger than the diameter of said connecting rod.
6. A rubber bushing vulcanizing mold according to claim 1, wherein the elastic separating member is a spring, an upper mounting groove is formed on a lower surface of the first upper mold plate, a lower mounting groove is formed on an upper surface of the second upper mold plate, the upper mounting groove is disposed opposite to the lower mounting groove, and the spring is disposed in a spring mounting cavity defined by the upper mounting groove and the lower mounting groove.
7. The vulcanization mold for rubber bushings according to claim 1, wherein a stopper arm extending outward is provided in the middle of the upper mold insert, the lower bottom surface of the stopper arm abuts against the second upper mold plate, the lower end of the upper mold insert is in the shape of a truncated cone with a large upper end and a small lower end, and the upper end of the second upper cavity is matched with the lower end of the upper mold insert.
8. A rubber bushing vulcanization mold according to claim 1, characterized in that opposite sides of said first upper mold plate extend beyond said second upper mold plate.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910098502.5A CN109760241B (en) | 2019-01-31 | 2019-01-31 | Rubber bushing vulcanizing mold |
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| CN201910098502.5A CN109760241B (en) | 2019-01-31 | 2019-01-31 | Rubber bushing vulcanizing mold |
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| CN109760241B true CN109760241B (en) | 2021-04-30 |
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| CN112549382B (en) * | 2020-11-09 | 2022-07-01 | 株洲时代新材料科技股份有限公司 | Automatic mold opening and closing mold for V-shaped metal rubber spring and automatic mold opening and closing method thereof |
| CN113442380A (en) * | 2021-06-21 | 2021-09-28 | 江西晶超光学有限公司 | Injection mould |
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| CN102101350B (en) * | 2010-12-24 | 2013-06-26 | 宁波双林模具有限公司 | Precision mold for small-spiral-angle duplex gear |
| CN102357956B (en) * | 2011-10-27 | 2013-09-04 | 揭阳市天诚密封件有限公司 | Vulcanizing method of multifunctional hub oil seal |
| CN102434622B (en) * | 2011-11-03 | 2013-11-27 | 芜湖禾田汽车工业有限公司 | Manufacture method for rubber mount structure |
| CN204773390U (en) * | 2015-07-14 | 2015-11-18 | 东莞市贝洛橡胶制品有限公司 | Automatic exhaust major diameter cushion rubber spare forming die |
| CN205464269U (en) * | 2016-03-30 | 2016-08-17 | 牟维军 | Guide pillar drives mold machine structure that inboard slider of cover half is loosed core to one side |
| CN205651617U (en) * | 2016-05-28 | 2016-10-19 | 牟维军 | Accurate mold machine constructs |
| CN106113472B (en) * | 2016-08-31 | 2019-02-05 | 延锋汽车饰件系统柳州有限公司 | Automatic wrapping mold |
| CN207592754U (en) * | 2017-10-25 | 2018-07-10 | 牟维军 | Drive die-casting forming die mechanism |
| CN207564806U (en) * | 2017-12-06 | 2018-07-03 | 河北技投机械设备有限公司 | Rubber curing forming mold |
| CN109177056A (en) * | 2018-07-31 | 2019-01-11 | 上海众力汽车部件有限公司 | A kind of rubber mold of bushing non-trimming structure |
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